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NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearless than 10 years ago6.30.89.90.93.80.61.60.30.20.24.50.3
11-20 years ago2.60.52.00.40.20.20.60.20.30.21.20.1
21-30 years ago1.10.30.80.30.50.20.20.10.30.20.60.1
31-40 years ago0.20.10.10.10.20.10.10.10.30.20.20.1
41-50 years ago0.10.10.0.0.20.10.10.10.0.0.10.0
over 50 years ago0.60.30.0.0.0.0.50.20.20.20.30.1
total11.01.012.81.04.90.73.10.41.30.56.70.3
2-5 yearsless than 10 years ago19.91.334.71.414.21.13.50.51.60.514.80.5
11-20 years ago7.50.95.60.73.40.62.20.41.70.54.00.3
21-30 years ago3.10.62.20.42.00.40.60.20.80.41.70.2
31-40 years ago0.50.20.40.21.30.40.90.20.30.20.70.1
41-50 years ago0.10.10.0.0.10.10.80.20.30.20.30.1
over 50 years ago0.40.20.20.10.40.21.30.31.80.50.80.1
total31.51.542.91.521.31.39.30.76.61.022.30.5
6-10 yearsless than 10 years ago19.41.323.11.317.31.26.50.62.00.613.80.5
11-20 years ago4.00.63.90.66.20.84.00.51.30.54.10.3
21-30 years ago2.50.51.30.34.30.61.70.30.80.42.10.2
31-40 years ago0.80.30.10.11.10.31.50.30.80.40.90.1
41-50 years ago0.20.10.30.10.50.21.10.30.30.20.60.1
over 50 years ago0.40.20.20.10.40.22.10.43.00.71.20.1
total27.31.428.81.329.81.416.80.98.21.122.70.6
11-20 yearsless than 10 years ago9.50.94.70.611.11.06.50.62.70.77.10.4
11-20 years ago1.60.40.80.33.60.64.40.50.30.22.50.2
21-30 years ago2.30.50.40.21.90.42.50.40.80.41.70.2
31-40 years ago0.60.30.0.1.70.41.70.30.80.31.00.1
41-50 years ago0.60.30.0.0.60.21.40.31.40.50.80.1
over 50 years ago0.10.10.30.20.80.32.50.45.00.91.60.2
total14.71.16.10.719.71.319.01.011.11.314.70.5
> 20 yearsless than 10 years ago2.40.52.80.56.60.810.90.85.50.96.20.3
11-20 years ago2.60.51.90.43.70.67.40.74.10.84.30.3
21-30 years ago4.40.71.60.42.70.56.10.65.70.94.20.3
31-40 years ago2.60.51.20.32.50.54.40.54.70.93.10.2
41-50 years ago1.30.40.90.31.70.44.20.56.21.02.70.2
over 50 years ago2.20.50.90.37.10.819.01.046.62.013.10.4
total15.61.29.40.924.31.351.91.272.81.833.60.6
totalless than 10 years ago57.51.675.11.353.01.629.01.112.01.346.40.6
11-20 years ago18.31.214.31.017.11.218.61.07.71.116.10.5
21-30 years ago13.31.16.20.711.41.011.00.88.41.110.20.4
31-40 years ago4.80.71.80.46.70.88.40.77.01.05.90.3
41-50 years ago2.40.51.10.33.10.57.60.78.31.14.50.3
over 50 years ago3.80.61.50.48.80.925.31.156.72.016.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799200/265532
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearless than 10 years ago6.30.810.10.93.70.61.40.30.10.14.20.3
11-20 years ago2.60.51.90.40.40.20.50.20.20.21.10.1
21-30 years ago1.10.30.80.30.40.20.20.10.20.20.50.1
31-40 years ago0.20.10.10.10.20.10.10.10.40.20.20.1
41-50 years ago0.10.10.0.0.20.10.10.10.0.0.10.0
over 50 years ago0.70.30.0.0.0.0.40.10.10.10.30.1
total11.01.013.01.04.90.72.70.41.20.46.30.3
2-5 yearsless than 10 years ago19.31.234.21.413.71.13.70.41.40.413.80.4
11-20 years ago7.30.85.70.73.40.62.10.31.50.43.80.2
21-30 years ago3.30.62.20.41.90.40.70.20.70.31.60.2
31-40 years ago0.50.20.30.21.30.30.70.20.30.20.70.1
41-50 years ago0.10.10.0.0.10.10.70.20.30.20.30.1
over 50 years ago0.40.20.20.10.70.21.20.31.70.50.80.1
total30.91.542.51.521.11.29.10.75.80.821.10.5
6-10 yearsless than 10 years ago19.11.222.81.216.71.16.10.51.70.512.90.4
11-20 years ago4.10.63.80.65.90.73.50.41.00.43.80.2
21-30 years ago2.50.51.30.34.10.61.80.30.80.32.10.2
31-40 years ago0.90.30.20.11.10.31.30.30.60.30.90.1
41-50 years ago0.20.10.30.10.50.21.00.20.30.20.50.1
over 50 years ago0.50.20.20.10.60.21.80.32.70.61.20.1
total27.21.428.51.328.91.415.50.87.10.921.40.5
11-20 yearsless than 10 years ago9.30.94.50.610.40.96.00.52.20.56.60.3
11-20 years ago1.70.40.80.33.60.64.00.40.40.22.50.2
21-30 years ago2.20.50.40.21.80.42.50.41.00.41.70.2
31-40 years ago0.60.20.0.1.50.41.40.30.90.31.00.1
41-50 years ago0.60.20.0.0.60.21.20.21.20.40.80.1
over 50 years ago0.30.20.30.20.90.32.10.34.10.71.50.2
total14.61.16.10.718.91.217.20.99.81.114.00.4
> 20 yearsless than 10 years ago2.70.52.90.56.70.810.40.75.50.86.30.3
11-20 years ago3.00.52.30.44.00.67.90.65.40.84.90.3
21-30 years ago4.40.71.60.43.10.57.20.68.11.05.00.3
31-40 years ago2.60.51.30.32.60.55.10.55.30.83.50.2
41-50 years ago1.30.30.90.31.80.44.30.56.20.92.90.2
over 50 years ago2.20.50.90.38.00.820.70.945.71.814.60.4
total16.21.29.90.926.21.355.61.176.21.537.30.6
totalless than 10 years ago56.71.674.61.351.21.527.51.010.91.143.80.6
11-20 years ago18.71.214.51.017.41.217.90.98.51.016.10.5
21-30 years ago13.51.16.30.711.31.012.30.810.81.110.90.4
31-40 years ago4.70.71.90.46.80.88.70.67.50.96.20.3
41-50 years ago2.20.51.10.33.20.57.30.67.91.04.60.3
over 50 years ago4.10.61.60.410.20.926.31.054.41.818.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799201/265533
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.20.89.10.93.20.51.00.20.50.34.00.3
11-20 years ago3.40.63.00.51.80.41.00.20.30.21.90.2
21-30 years ago1.10.30.40.20.70.30.70.20.50.30.70.1
31-40 years ago0.30.20.30.20.40.20.30.10.10.10.30.1
41-50 years ago0.50.20.10.10.20.10.40.10.30.20.30.1
over 50 years ago0.70.30.10.10.40.20.60.20.50.30.50.1
total13.21.113.01.06.70.84.00.42.30.67.60.3
2-5 yearsn/a0.0.0.10.10.0.0.0.0.0.0.00.0
less than 10 years ago19.11.233.81.49.50.93.50.41.70.512.90.4
11-20 years ago7.20.86.10.76.70.82.40.40.50.34.50.3
21-30 years ago2.30.51.50.42.30.51.70.31.10.41.80.2
31-40 years ago1.50.40.60.21.10.31.00.20.40.21.00.1
41-50 years ago0.50.20.30.20.60.20.80.21.10.40.70.1
over 50 years ago0.10.10.10.10.20.11.90.32.00.50.90.1
total30.81.542.51.520.41.211.30.76.70.921.80.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.51.222.31.216.11.14.30.52.10.512.10.4
11-20 years ago5.50.73.60.57.10.83.60.40.80.34.20.3
21-30 years ago1.80.42.00.42.50.52.10.30.70.31.90.2
31-40 years ago1.10.30.70.32.00.41.00.20.90.41.10.1
41-50 years ago0.70.30.20.10.70.21.00.21.10.40.70.1
over 50 years ago0.40.20.40.20.90.32.30.34.20.71.60.2
total28.11.429.21.329.31.414.30.89.91.121.70.5
11-20 yearsn/a0.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.40.95.90.711.31.04.70.51.70.56.40.3
11-20 years ago2.20.51.50.44.70.73.40.41.00.42.70.2
21-30 years ago1.50.40.80.31.60.42.50.41.00.41.60.2
31-40 years ago0.50.20.30.21.00.31.00.20.90.40.80.1
41-50 years ago0.40.20.20.11.50.40.90.20.70.30.70.1
over 50 years ago0.70.30.10.11.20.33.40.44.90.82.10.2
total13.91.18.70.821.31.315.90.810.31.114.40.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.60.52.20.45.60.711.50.75.70.86.30.3
11-20 years ago2.10.51.60.42.80.57.00.64.00.73.90.3
21-30 years ago1.70.40.90.31.90.46.10.64.60.83.30.2
31-40 years ago2.20.50.60.22.40.55.90.56.30.93.60.2
41-50 years ago1.40.40.30.22.30.44.40.55.80.92.90.2
over 50 years ago3.90.61.10.37.50.819.70.944.41.814.30.4
total14.11.16.60.722.41.254.51.170.81.634.50.6
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.81.673.31.345.71.525.01.011.81.241.80.6
11-20 years ago20.51.315.71.123.31.317.30.96.60.917.30.5
21-30 years ago8.50.95.50.78.90.913.10.87.91.09.40.4
31-40 years ago5.70.72.50.56.80.89.20.78.71.06.80.3
41-50 years ago3.50.61.10.35.20.77.40.68.91.05.30.3
over 50 years ago5.80.71.80.410.20.928.01.056.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799202/265534
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.20.89.30.93.40.61.00.30.60.34.30.3
11-20 years ago3.40.63.00.51.90.41.00.20.30.22.00.2
21-30 years ago1.00.30.40.20.60.30.80.20.70.30.70.1
31-40 years ago0.30.20.30.20.40.20.40.10.0.0.30.1
41-50 years ago0.50.20.10.10.20.10.40.20.30.20.30.1
over 50 years ago0.70.30.10.10.40.20.70.20.70.30.50.1
total13.31.113.11.06.90.84.30.52.60.78.10.4
2-5 yearsn/a0.0.0.10.10.0.0.0.0.0.0.00.0
less than 10 years ago19.11.333.81.49.70.93.50.52.00.613.70.4
11-20 years ago7.10.86.00.77.00.82.50.40.60.34.70.3
21-30 years ago2.40.51.50.42.40.51.90.31.10.41.90.2
31-40 years ago1.40.40.50.21.00.31.10.30.50.30.90.1
41-50 years ago0.50.20.40.20.70.20.90.21.20.40.70.1
over 50 years ago0.10.10.10.10.20.12.20.42.20.61.00.1
total30.61.542.41.520.91.312.20.87.61.123.00.6
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.81.322.31.216.81.24.50.52.60.613.00.5
11-20 years ago5.50.73.60.67.40.83.90.51.00.44.50.3
21-30 years ago1.80.42.00.42.50.52.20.40.70.32.00.2
31-40 years ago1.20.30.70.32.00.41.00.30.80.41.20.1
41-50 years ago0.60.30.10.10.70.31.00.31.30.50.70.1
over 50 years ago0.30.20.40.20.90.32.40.44.90.91.60.2
total28.21.529.31.430.31.515.10.911.41.322.90.6
11-20 yearsn/a0.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.70.95.90.711.61.04.80.52.00.66.70.3
11-20 years ago2.10.51.50.44.60.73.90.51.20.42.90.2
21-30 years ago1.30.40.80.31.50.42.60.41.10.41.60.2
31-40 years ago0.40.20.30.20.90.31.10.31.10.40.80.1
41-50 years ago0.40.20.20.11.30.41.00.20.80.40.80.1
over 50 years ago0.70.30.10.11.10.33.90.55.80.92.20.2
total13.81.18.80.821.01.317.40.912.01.315.00.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.60.52.10.45.30.712.00.85.70.96.20.3
11-20 years ago2.20.51.60.42.60.57.00.64.10.83.80.3
21-30 years ago1.80.40.80.31.70.45.40.62.90.72.80.2
31-40 years ago2.30.50.60.22.50.54.50.54.10.82.90.2
41-50 years ago1.40.40.30.22.10.44.00.55.30.92.60.2
over 50 years ago3.90.61.10.36.70.818.11.044.32.012.80.4
total14.21.16.50.720.91.351.11.266.41.931.10.6
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago56.51.673.51.346.81.625.91.112.81.343.90.6
11-20 years ago20.31.315.81.123.61.318.31.07.21.117.90.5
21-30 years ago8.30.95.50.78.60.912.90.86.51.09.00.4
31-40 years ago5.60.72.40.56.80.88.10.76.51.06.00.3
41-50 years ago3.50.61.00.35.00.77.40.79.01.25.10.3
over 50 years ago5.70.71.80.49.20.927.41.158.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799203/265535
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.20.89.00.83.20.50.90.20.50.33.90.2
11-20 years ago3.50.63.10.51.80.41.00.20.20.21.80.2
21-30 years ago1.10.30.40.20.80.30.70.20.50.30.70.1
31-40 years ago0.30.20.30.20.30.20.30.10.10.10.30.1
41-50 years ago0.50.20.10.10.20.10.40.10.30.20.30.1
over 50 years ago0.70.30.10.10.40.20.60.20.50.30.50.1
total13.21.113.01.06.80.83.90.42.20.57.50.3
2-5 yearsn/a0.0.0.10.10.0.0.0.0.0.0.00.0
less than 10 years ago18.81.233.81.49.30.93.40.41.60.512.60.4
11-20 years ago7.20.86.00.76.60.72.30.30.50.24.40.3
21-30 years ago2.30.51.50.42.20.41.70.31.00.41.70.2
31-40 years ago1.60.40.60.21.10.30.90.20.50.21.00.1
41-50 years ago0.50.20.30.20.60.20.80.21.00.40.70.1
over 50 years ago0.20.10.10.10.30.21.80.32.00.50.90.1
total30.61.542.41.420.01.210.90.76.60.921.30.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.41.222.31.216.01.14.20.52.10.511.90.4
11-20 years ago5.60.73.60.57.10.83.40.40.90.34.20.3
21-30 years ago1.80.42.00.42.50.52.10.30.60.31.90.2
31-40 years ago1.10.30.70.21.90.40.90.20.90.31.10.1
41-50 years ago0.70.30.20.10.60.20.90.21.00.40.70.1
over 50 years ago0.40.20.50.20.90.32.30.34.00.71.60.2
total27.91.429.31.329.11.413.90.89.61.021.40.5
11-20 yearsn/a0.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.60.95.80.710.90.94.50.51.80.56.30.3
11-20 years ago2.30.51.50.44.70.63.20.40.90.32.70.2
21-30 years ago1.60.40.80.31.60.42.40.31.00.31.60.2
31-40 years ago0.50.20.30.20.90.31.00.20.90.30.70.1
41-50 years ago0.40.20.20.11.50.40.80.20.60.30.70.1
over 50 years ago0.70.30.20.11.30.33.30.44.80.82.10.2
total14.21.18.70.820.91.215.20.810.01.114.20.4
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.70.52.20.45.80.711.50.75.40.86.40.3
11-20 years ago2.20.51.60.43.00.56.80.64.10.74.00.3
21-30 years ago1.70.40.90.32.10.46.80.64.60.73.60.2
31-40 years ago2.20.50.60.22.40.56.00.56.60.93.80.2
41-50 years ago1.40.40.30.22.30.44.60.56.00.83.00.2
over 50 years ago3.90.61.10.37.80.820.50.944.91.714.90.4
total14.01.16.60.723.31.256.11.171.61.635.70.5
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.71.673.11.345.21.524.61.011.41.141.00.6
11-20 years ago20.71.315.81.123.11.316.60.86.60.917.00.5
21-30 years ago8.50.95.50.79.20.913.70.87.80.99.70.4
31-40 years ago5.70.72.40.56.60.79.20.69.01.06.80.3
41-50 years ago3.40.61.00.35.20.77.50.69.01.05.40.3
over 50 years ago5.80.72.00.410.60.928.51.056.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799204/265536
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago6.41615.2912.6112.4281.83338.54
11-20 years ago0.6582.2291.4370.21000.4714.819
21-30 years ago0.0.0.8500.21000.21000.6571.832
31-40 years ago0.0.0.21000.0.0.0.1.2401.437
41-50 years ago0.0.0.0.0.4710.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.0.6580.658
total7.01518.4814.6102.8264.81947.72
AIless than 10 years ago0.0.0.6570.9420.4720.21002.126
11-20 years ago0.0.0.21000.3670.21000.21000.942
21-30 years ago0.21000.0.0.4680.0.0.4681.041
31-40 years ago0.0.0.21000.0.0.0.0.6570.749
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6570.657
total0.21000.9421.7290.5572.0285.310
ARless than 10 years ago0.3711.3390.9491.3320.31004.017
11-20 years ago0.0.0.21001.3370.5550.21002.127
21-30 years ago0.21000.0.0.6480.21000.6591.633
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.31000.3100
total0.5581.4363.0221.9231.3398.16
BEless than 10 years ago7.51635.2727.2812.61210.71393.33
11-20 years ago2.6288.0167.7164.3216.61729.38
21-30 years ago1.1414.3213.9233.6235.02017.910
31-40 years ago0.0.1.2412.2301.4385.51910.213
41-50 years ago0.4710.4710.6580.8503.8236.018
over 50 years ago0.6580.8501.2410.95012.31215.711
total12.21250.0542.7623.5943.96172.31
BL/BSless than 10 years ago1.7343.8223.6232.4290.210011.610
11-20 years ago0.21001.5370.6570.4710.9503.623
21-30 years ago0.4700.6581.1440.6580.4713.124
31-40 years ago0.0.0.0.0.4710.21000.0.0.757
41-50 years ago0.0.0.0.0.21000.21000.5710.950
over 50 years ago0.0.0.0.0.0.0.0.0.5710.571
total2.3295.9175.9173.9212.52820.43
FRless than 10 years ago2.3306.1179.1144.0223.02624.66
11-20 years ago0.5721.7322.0310.6581.1455.817
21-30 years ago0.6570.6571.8330.6580.21003.722
31-40 years ago0.0.1.4350.4710.21000.4732.427
41-50 years ago0.0.0.0.0.6570.21001.2411.931
over 50 years ago0.0.0.21000.9500.6591.7353.324
total3.42510.01314.7106.1187.51641.72
GEless than 10 years ago0.41001.2500.41000.41000.0.2.325
11-20 years ago0.0.0.0.0.41000.41000.21001.057
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.41000.0.0.4100
total0.41001.2500.8661.2500.21003.75
GLless than 10 years ago0.8501.4370.7490.21002.2295.317
11-20 years ago0.0.0.4710.0.0.4712.1292.924
21-30 years ago0.0.0.4690.21000.0.1.8322.326
31-40 years ago0.0.0.0.0.4710.21000.6581.240
41-50 years ago0.0.0.21000.0.0.0.1.2401.337
over 50 years ago0.0.0.0.0.0.0.0.2.5272.527
total0.8502.3281.3360.74910.31015.46
GRless than 10 years ago1.2415.61910.11412.71214.51144.16
11-20 years ago0.8504.2225.7188.21513.91232.97
21-30 years ago0.8501.8333.1253.72316.01125.48
31-40 years ago0.21001.0452.3292.8267.31613.612
41-50 years ago0.21001.3380.8501.4384.1227.816
over 50 years ago0.4712.7273.7234.52140.8652.15
total3.62316.71025.7833.2796.64175.82
JUless than 10 years ago2.2295.3187.5153.2240.84918.87
11-20 years ago0.0.2.5271.2400.8490.21004.719
21-30 years ago0.21000.8491.5351.0442.7266.216
31-40 years ago0.21000.0.0.4710.8500.8502.129
41-50 years ago0.0.0.0.0.0.0.21000.4700.657
over 50 years ago0.0.0.0.0.21000.21000.8501.241
total2.5278.61310.8116.1175.61733.52
LUless than 10 years ago3.02511.7116.1171.3401.04523.07
11-20 years ago0.4702.3283.2240.4710.8507.115
21-30 years ago0.0.1.4382.1310.8501.1415.518
31-40 years ago0.21000.8500.6580.21001.1442.826
41-50 years ago0.0.0.0.0.21000.0.0.4710.658
over 50 years ago0.0.0.21000.0.0.21001.6352.131
total3.62316.5912.1112.9266.11741.22
NEless than 10 years ago2.6269.4125.7162.1300.75720.56
11-20 years ago0.6592.1300.6580.21001.2414.619
21-30 years ago0.21001.6370.4690.3710.21002.728
31-40 years ago0.0.0.0.0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6600.660
total3.42213.1106.9152.6262.62828.63
NWless than 10 years ago0.21000.5681.0491.0410.31002.924
11-20 years ago0.0.0.31000.31000.5681.7362.726
21-30 years ago0.0.0.0.0.31000.0.0.5710.856
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.21000.0.0.0.1.6371.834
total0.21001.0491.5391.5354.1198.27
OWless than 10 years ago0.3721.0451.8312.4284.1219.711
11-20 years ago0.0.0.21000.21000.21001.3371.930
21-30 years ago0.21000.0.0.4720.0.0.5581.041
31-40 years ago0.0.0.0.0.21000.21000.9451.438
41-50 years ago0.0.0.0.0.0.0.0.1.1441.144
over 50 years ago0.0.0.21000.0.0.21003.5223.921
total0.5591.4372.6263.12411.41019.04
SGless than 10 years ago2.2305.31910.7134.9203.22626.37
11-20 years ago0.4712.4291.9313.8232.03110.513
21-30 years ago0.0.0.8501.2412.0321.7335.718
31-40 years ago0.0.0.21000.5710.8502.0323.524
41-50 years ago0.0.0.0.0.0.0.8500.7571.538
over 50 years ago0.0.0.0.0.21000.7586.5177.416
total2.6288.61414.51013.01116.21054.83
SHless than 10 years ago0.5701.8323.4222.2290.0.7.810
11-20 years ago0.0.1.0441.6330.4690.0.3.022
21-30 years ago0.0.0.0.0.21000.4690.5701.044
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total0.5703.1235.2162.9240.75712.33
SOless than 10 years ago1.4387.1157.2153.1240.46919.27
11-20 years ago1.2373.0251.3380.0.0.9506.416
21-30 years ago0.6581.3410.3700.0.1.8354.022
31-40 years ago0.0.0.21000.0.0.0.0.9501.045
41-50 years ago0.0.0.0.0.0.0.0.1.1451.145
over 50 years ago0.21000.21000.0.0.0.0.4720.851
total3.42311.8118.8133.1245.31832.52
SZless than 10 years ago0.0.2.5274.1203.8222.12912.610
11-20 years ago0.21000.4711.8331.3391.1414.819
21-30 years ago0.0.0.4710.8501.2410.7573.025
31-40 years ago0.21000.21000.21000.8500.6582.031
41-50 years ago0.0.0.21000.21000.4711.4382.230
over 50 years ago0.0.0.6570.21000.0.3.5234.320
total0.4714.3207.3147.4149.41329.04
TGless than 10 years ago3.2207.7123.8190.11000.110014.96
11-20 years ago0.5601.4370.8450.21000.5593.321
21-30 years ago0.0.0.4731.0440.21000.4702.029
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.21000.0.0.2100
total3.6199.4115.5150.8501.14120.53
TIless than 10 years ago0.21001.9312.3302.6277.61614.611
11-20 years ago0.0.1.6351.4380.21007.11710.314
21-30 years ago0.21000.31000.6581.24110.01412.212
31-40 years ago0.7580.0.0.6581.3386.6179.214
41-50 years ago0.0.0.21000.4711.4388.31510.313
over 50 years ago0.21001.7352.9264.22157.7566.84
total1.3415.8198.31510.91397.33123.42
URless than 10 years ago0.6581.2401.1401.4352.1296.415
11-20 years ago0.0.0.6560.21001.0451.0452.825
21-30 years ago0.0.0.0.0.0.0.0.0.4710.471
31-40 years ago0.0.0.4710.0.0.4711.5342.227
41-50 years ago0.0.0.21000.0.0.0.0.8491.043
over 50 years ago0.0.0.0.0.4710.6572.4283.523
total0.6582.4261.7323.4218.21316.35
VDless than 10 years ago5.31918.1912.6125.9185.71847.65
11-20 years ago3.0265.4193.0252.0318.01521.49
21-30 years ago0.6582.3291.6351.6354.12210.113
31-40 years ago0.21000.6581.1411.0443.9226.916
41-50 years ago0.21000.21000.21001.0451.8333.424
over 50 years ago0.8500.5581.0450.6585.6188.615
total10.01327.1719.5912.21229.1797.92
VSless than 10 years ago1.0451.5354.3214.22213.31224.48
11-20 years ago0.4710.8504.3212.8275.61813.911
21-30 years ago0.0.0.4712.3292.3298.01513.112
31-40 years ago0.0.0.8500.9451.1417.0179.814
41-50 years ago0.21000.4712.3292.5277.51613.012
over 50 years ago0.9442.3292.7264.92029.9740.76
total2.5276.21716.91017.81071.44114.82
ZGless than 10 years ago0.11002.1261.4330.5560.0.4.113
11-20 years ago0.0.0.5670.4670.0.0.0.0.848
21-30 years ago0.0.0.3710.21000.0.0.21000.750
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.11002.9202.2250.5560.21005.95
ZHless than 10 years ago5.51814.61012.6112.8270.95036.54
11-20 years ago1.3372.5282.5280.21001.3407.715
21-30 years ago0.6581.0450.4710.21001.0453.424
31-40 years ago0.21000.6570.0.0.0.0.4701.241
41-50 years ago0.0.0.0.0.21000.0.0.4700.658
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total7.71518.8815.6103.2254.12249.42
Switzerlandless than 10 years ago48.86162.33151.0377.8575.25515.01
11-20 years ago12.61245.3744.0729.1858.26189.23
21-30 years ago5.91819.41024.5920.01058.86128.74
31-40 years ago1.9347.61610.51411.41341.2772.75
41-50 years ago1.0453.3246.2188.81535.0754.26
over 50 years ago3.1259.71413.61218.210173.63218.23
total73.35247.72249.92165.23442.021178.01
© WSL, Swiss National Forest Inventory, 22.06.2020 #799205/265537
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago6.41614.8912.2112.4281.63537.54
11-20 years ago0.6582.2291.4370.21000.4714.819
21-30 years ago0.0.0.8500.21000.21000.6571.832
31-40 years ago0.0.0.21000.0.0.0.1.2401.437
41-50 years ago0.0.0.0.0.4710.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.0.6580.658
total7.01518.0814.2102.8264.62046.72
AIless than 10 years ago0.0.0.6570.9420.4720.21002.126
11-20 years ago0.0.0.21000.3670.21000.21000.942
21-30 years ago0.21000.0.0.4680.0.0.4681.041
31-40 years ago0.0.0.21000.0.0.0.0.6570.749
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.4710.471
total0.21000.9421.7290.5571.8295.19
ARless than 10 years ago0.3711.3390.9491.3320.31004.017
11-20 years ago0.0.0.21001.3370.5550.21002.127
21-30 years ago0.21000.0.0.6480.21000.6591.633
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.31000.3100
total0.5581.4363.0221.9231.3398.16
BEless than 10 years ago7.51634.2726.5812.4129.41490.13
11-20 years ago2.6287.6167.5163.9225.61927.28
21-30 years ago1.1414.3213.9233.6234.82017.710
31-40 years ago0.0.1.0452.0321.4385.1199.414
41-50 years ago0.4710.4710.4710.6583.4245.219
over 50 years ago0.6580.8501.2410.9508.11511.413
total12.21248.4541.5622.7936.37161.11
BL/BSless than 10 years ago1.7343.8223.1252.2300.210010.910
11-20 years ago0.21001.5370.4700.4710.9503.423
21-30 years ago0.4700.6581.1440.6580.4713.124
31-40 years ago0.0.0.0.0.4710.21000.0.0.757
41-50 years ago0.0.0.0.0.21000.21000.5710.950
over 50 years ago0.0.0.0.0.0.0.0.0.5710.571
total2.3295.9175.2183.7222.52819.64
FRless than 10 years ago2.3306.1179.1144.0222.82724.46
11-20 years ago0.5721.5342.0310.6580.6585.218
21-30 years ago0.6570.6571.8330.21000.21003.324
31-40 years ago0.0.1.3370.4710.21000.4732.228
41-50 years ago0.0.0.0.0.6570.21001.2411.931
over 50 years ago0.0.0.21000.5720.6591.5372.827
total3.4259.61314.3105.7186.71739.73
GEless than 10 years ago0.41000.8660.41000.41000.0.2.032
11-20 years ago0.0.0.0.0.41000.41000.0.0.866
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.41000.0.0.4100
total0.41000.8660.8661.2500.0.3.113
GLless than 10 years ago0.8501.4370.7490.21002.2295.317
11-20 years ago0.0.0.21000.0.0.4711.6352.129
21-30 years ago0.0.0.4690.21000.0.1.8322.326
31-40 years ago0.0.0.0.0.4710.21000.6581.240
41-50 years ago0.0.0.21000.0.0.0.1.2401.337
over 50 years ago0.0.0.0.0.0.0.0.1.5351.535
total0.8502.1291.3360.7498.81113.87
GRless than 10 years ago1.2414.6219.31411.91312.31239.36
11-20 years ago0.8503.7235.5198.01510.91329.08
21-30 years ago0.8501.2412.1302.92611.71318.810
31-40 years ago0.21001.0452.3292.8264.92011.113
41-50 years ago0.21001.3380.8501.4382.7276.417
over 50 years ago0.4712.2303.5234.12229.8839.96
total3.62314.01123.6931.0772.34144.52
JUless than 10 years ago2.0315.1187.3153.2240.84918.37
11-20 years ago0.0.2.5271.2400.8490.21004.719
21-30 years ago0.21000.8491.5351.0442.7266.216
31-40 years ago0.21000.0.0.4710.8500.8502.129
41-50 years ago0.0.0.0.0.0.0.21000.4700.657
over 50 years ago0.0.0.0.0.21000.0.0.8500.944
total2.4288.41410.6125.9175.61732.83
LUless than 10 years ago2.82611.7115.5181.3401.04522.27
11-20 years ago0.4702.1303.2240.4710.8506.916
21-30 years ago0.0.1.4382.1310.8501.1415.518
31-40 years ago0.21000.8500.4710.21001.1442.727
41-50 years ago0.0.0.0.0.21000.0.0.4710.658
over 50 years ago0.0.0.0.0.0.0.21001.2411.537
total3.42416.1911.3112.9265.71839.43
NEless than 10 years ago2.4279.4125.4172.1300.75719.96
11-20 years ago0.6592.1300.6580.21000.8504.220
21-30 years ago0.21001.6370.21000.3710.21002.529
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6600.660
total3.22313.1106.1162.6262.23027.33
NWless than 10 years ago0.21000.31001.0491.0410.31002.726
11-20 years ago0.0.0.31000.31000.5681.7362.726
21-30 years ago0.0.0.0.0.31000.0.0.31000.567
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.21000.0.0.0.1.1441.339
total0.21000.7591.5391.5353.3227.29
OWless than 10 years ago0.3721.0451.6332.4283.8229.211
11-20 years ago0.0.0.21000.21000.21001.3371.930
21-30 years ago0.21000.0.0.4720.0.0.5581.041
31-40 years ago0.0.0.0.0.21000.21000.9451.438
41-50 years ago0.0.0.0.0.0.0.0.0.9490.949
over 50 years ago0.0.0.21000.0.0.21003.3233.722
total0.5591.4372.4273.12410.61018.14
SGless than 10 years ago2.0315.1199.9134.9202.62924.57
11-20 years ago0.4712.1301.9313.4241.8339.613
21-30 years ago0.0.0.8501.0452.0321.1404.819
31-40 years ago0.0.0.21000.5710.8501.6353.126
41-50 years ago0.0.0.0.0.0.0.8500.7571.538
over 50 years ago0.0.0.0.0.21000.4724.7215.319
total2.4298.21513.41112.41212.51248.84
SHless than 10 years ago0.5701.8323.4222.2290.0.7.810
11-20 years ago0.0.1.0441.6330.4690.0.3.022
21-30 years ago0.0.0.0.0.21000.4690.5701.044
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total0.5703.1235.2162.9240.75712.33
SOless than 10 years ago1.4387.0157.0153.1240.46918.87
11-20 years ago1.2373.0251.3380.0.0.7586.216
21-30 years ago0.6581.1450.3700.0.1.8353.823
31-40 years ago0.0.0.21000.0.0.0.0.7580.851
41-50 years ago0.0.0.0.0.0.0.0.1.1451.145
over 50 years ago0.21000.21000.0.0.0.0.4720.851
total3.42311.5118.6133.1245.01931.62
SZless than 10 years ago0.0.2.1293.9213.4232.12911.611
11-20 years ago0.0.0.4711.8331.1430.5583.822
21-30 years ago0.0.0.4710.8501.2410.7573.025
31-40 years ago0.21000.21000.21000.8500.6582.031
41-50 years ago0.0.0.21000.21000.4711.0451.833
over 50 years ago0.0.0.21000.21000.0.2.9253.323
total0.21003.5227.1146.8157.81425.54
TGless than 10 years ago2.8227.7123.6200.11000.110014.46
11-20 years ago0.5601.4370.8450.21000.4733.222
21-30 years ago0.0.0.4731.0440.21000.4702.029
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total3.3219.4115.4150.6580.94519.63
TIless than 10 years ago0.21001.7332.1322.6276.21812.812
11-20 years ago0.0.1.4381.4380.0.3.8236.717
21-30 years ago0.21000.31000.6580.6585.2206.817
31-40 years ago0.5710.0.0.6581.0444.6216.717
41-50 years ago0.0.0.21000.4711.4387.2169.214
over 50 years ago0.21001.5382.6284.22149.3557.84
total1.1455.2207.7169.71476.2399.92
URless than 10 years ago0.4720.8500.9441.2391.9315.317
11-20 years ago0.0.0.6560.21000.8501.0452.626
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.4710.0.0.4710.9441.732
41-50 years ago0.0.0.21000.0.0.0.0.6570.849
over 50 years ago0.0.0.0.0.4710.6571.6342.626
total0.4722.0291.6343.0236.01512.96
VDless than 10 years ago4.72017.11012.6125.9184.82045.25
11-20 years ago2.5285.1192.5271.6356.51718.210
21-30 years ago0.6581.7331.2411.4383.5238.315
31-40 years ago0.21000.6581.1411.0443.1256.117
41-50 years ago0.21000.21000.21001.0451.2412.827
over 50 years ago0.6570.5580.8500.4704.8207.116
total8.81425.3818.4911.31223.9887.72
VSless than 10 years ago1.0451.3383.8233.62312.31221.99
11-20 years ago0.4710.8504.3212.6284.62012.712
21-30 years ago0.0.0.21001.9311.9324.5218.615
31-40 years ago0.0.0.8500.7500.9454.9207.416
41-50 years ago0.21000.4712.1302.5276.31711.512
over 50 years ago0.9442.3292.7264.92026.1836.96
total2.5275.81815.51016.41058.8499.02
ZGless than 10 years ago0.11002.1261.4330.5560.0.4.113
11-20 years ago0.0.0.21000.4670.0.0.0.0.657
21-30 years ago0.0.0.21000.21000.0.0.0.0.471
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.11002.5222.2250.5560.0.5.48
ZHless than 10 years ago5.51814.41012.4112.8270.95036.04
11-20 years ago1.3372.3302.5280.21001.3407.615
21-30 years ago0.6581.0450.4710.21001.0453.424
31-40 years ago0.21000.6570.0.0.0.0.4701.241
41-50 years ago0.0.0.0.0.21000.0.0.4700.658
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total7.71518.4815.4103.2254.12248.82
Switzerlandless than 10 years ago46.96156.43144.8375.3566.85490.11
11-20 years ago12.01342.8742.9726.8945.77170.13
21-30 years ago5.91817.71122.3917.61143.97107.54
31-40 years ago1.7367.3169.81410.81332.4862.06
41-50 years ago1.0453.3245.7188.61529.3848.06
over 50 years ago2.9268.31512.51316.911139.53180.13
total70.45235.73238.03156.13357.721057.81
© WSL, Swiss National Forest Inventory, 22.06.2020 #799206/265538
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.21000.0.0.2100
less than 10 years ago3.72216.5910.3124.0210.85035.34
11-20 years ago2.6271.4371.2410.4711.0456.616
21-30 years ago0.21000.4710.6580.4710.21001.833
31-40 years ago0.0.0.0.0.0.0.0.0.4700.470
41-50 years ago0.4700.21000.0.0.0.0.4701.044
over 50 years ago0.21000.21000.21000.0.0.8501.437
total7.11518.7812.2115.0193.62346.72
AIn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.0.0.0.7490.21000.0.0.942
11-20 years ago0.0.0.7490.4720.4720.4711.928
21-30 years ago0.0.0.0.0.21000.0.0.0.0.2100
31-40 years ago0.0.0.0.0.21000.4710.4681.041
41-50 years ago0.0.0.21000.0.0.21000.21000.657
over 50 years ago0.0.0.0.0.0.0.21000.4710.658
total0.0.0.9421.5311.3361.5345.19
ARn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.3670.6601.0451.0460.4703.222
11-20 years ago0.0.1.5340.6590.3690.21002.523
21-30 years ago0.21000.7490.21000.21000.21001.333
31-40 years ago0.0.0.0.0.0.0.21000.6590.750
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.31000.473
total0.5562.7231.8291.6331.5358.16
BEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.91628.4826.9814.61110.21488.04
11-20 years ago2.9267.8169.3145.2194.02229.28
21-30 years ago0.8502.4294.6213.5233.82315.111
31-40 years ago0.6581.7351.4381.8333.8239.314
41-50 years ago0.6580.6580.4711.8333.2256.517
over 50 years ago1.0450.8500.8501.9318.61513.112
total13.81241.7643.4628.8833.57161.11
BL/BSn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.8343.4232.9261.6340.47110.111
11-20 years ago0.4712.6281.1440.4710.0.4.620
21-30 years ago0.0.0.7570.21000.4710.4701.735
31-40 years ago0.0.0.7570.4710.21000.21001.537
41-50 years ago0.21000.0.0.0.0.21000.0.0.470
over 50 years ago0.0.0.0.0.0.0.31001.0491.343
total2.4297.4144.6203.2242.03219.64
FRn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.8278.3145.4194.6191.24122.27
11-20 years ago0.9442.3303.1250.6580.8507.815
21-30 years ago0.21000.7490.8510.21000.21002.230
31-40 years ago0.4700.4701.0450.5570.6592.925
41-50 years ago0.21000.4700.7590.5570.0.1.733
over 50 years ago0.4710.0.1.1450.0.1.5382.926
total4.81912.11112.1116.5164.32139.73
GEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.1.6400.0.0.0.0.8662.325
11-20 years ago0.0.0.0.0.0.0.0.0.0.0.0.
21-30 years ago0.0.0.0.0.41000.41000.0.0.866
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.1.6400.41000.41000.8663.113
GLn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4711.4370.4711.2400.7494.020
11-20 years ago0.21000.6571.1400.6580.6583.124
21-30 years ago0.4710.6570.4710.0.0.5571.931
31-40 years ago0.21000.8490.21000.0.0.21001.334
41-50 years ago0.0.0.4710.0.0.0.0.5690.949
over 50 years ago0.21000.21000.4710.8491.0452.627
total1.4364.0202.3252.6263.52213.87
GRn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.6582.9266.6174.62117.11031.77
11-20 years ago1.4385.2194.3212.82713.81127.48
21-30 years ago1.2413.5232.8262.52810.51320.59
31-40 years ago0.4712.0311.3381.6359.41414.711
41-50 years ago0.21001.6350.6581.0456.61710.014
over 50 years ago0.8502.2303.9224.12229.2840.26
total4.52017.21019.4916.61086.74144.52
JUn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.8325.7175.7173.3231.24117.77
11-20 years ago0.8502.9251.2410.8501.0446.716
21-30 years ago0.4710.6580.8490.6570.8503.124
31-40 years ago0.21000.4710.6570.21001.2402.527
41-50 years ago0.0.0.21000.21000.0.0.6581.045
over 50 years ago0.21000.0.0.4700.21001.1401.931
total3.3239.8128.8135.1185.81732.83
LUn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.2417.3148.3144.6201.63523.07
11-20 years ago1.6353.6232.3281.9330.65810.012
21-30 years ago0.0.1.2400.4710.21000.21002.031
31-40 years ago0.9500.6570.4710.0.0.21002.031
41-50 years ago0.0.0.5690.21000.0.0.4711.144
over 50 years ago0.0.0.21000.21000.0.0.9501.340
total3.62313.31011.8116.7164.02239.43
NEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.1207.8149.0130.3700.210021.55
11-20 years ago0.9440.6581.3410.0.0.4693.124
21-30 years ago0.4710.3710.0.0.21000.21001.040
31-40 years ago0.0.0.21000.4710.0.0.5721.045
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6600.660
total5.4179.01310.7110.5561.83327.33
NWn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.0.31000.7570.4720.8522.230
11-20 years ago0.0.0.4670.9511.0490.31002.528
21-30 years ago0.21000.0.0.5710.0.0.5681.243
31-40 years ago0.0.0.0.0.31000.0.0.0.0.3100
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.4670.0.0.7591.144
total0.21000.6582.8261.4392.3297.29
OWn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4741.6342.3260.8491.7326.813
11-20 years ago0.21001.2420.11001.5360.8503.921
21-30 years ago0.21000.21000.0.0.4720.5591.338
31-40 years ago0.0.0.0.0.0.0.0.0.5580.558
41-50 years ago0.0.0.21000.4740.0.1.0451.635
over 50 years ago0.21000.21000.0.0.8512.8264.121
total1.1443.5222.8243.4227.41418.14
SGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.9256.4177.7152.8272.42922.28
11-20 years ago0.8503.1252.6272.0322.52911.113
21-30 years ago0.21002.6270.6581.0440.6574.919
31-40 years ago0.0.0.4720.7500.4721.2412.826
41-50 years ago0.0.0.21000.9500.7580.4712.231
over 50 years ago0.0.0.4700.5711.1453.8235.718
total3.92213.11113.0117.81511.01348.84
SHn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1430.7572.6261.7340.0.6.114
11-20 years ago0.0.2.6261.2380.4710.0.4.219
21-30 years ago0.21001.0440.21000.21000.0.1.633
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total1.3394.2194.0192.5260.210012.33
SOn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.3389.1135.9172.0311.24119.67
11-20 years ago1.2411.6352.5270.5580.7496.416
21-30 years ago0.21000.21000.0.0.4720.4721.141
31-40 years ago0.0.0.3710.21000.0.0.8511.338
41-50 years ago0.4720.21000.21000.0.0.4721.241
over 50 years ago0.5700.0.0.0.0.0.1.4381.933
total3.62311.3118.7133.0254.91931.62
SZn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.21001.4373.8222.0312.2309.612
11-20 years ago0.6581.8332.4280.7500.6586.116
21-30 years ago0.0.0.4680.4710.8500.8502.428
31-40 years ago0.0.0.4710.21000.3700.8501.733
41-50 years ago0.21000.21000.21000.21001.1401.931
over 50 years ago0.0.0.21000.0.0.21003.3243.722
total1.0454.5206.9154.2208.91325.54
TGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1417.2134.8170.5600.37313.97
11-20 years ago0.5601.6330.5480.0.0.4733.123
21-30 years ago0.4700.6580.6580.4700.0.2.029
31-40 years ago0.0.0.21000.4700.0.0.0.0.756
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total2.1309.6116.3140.9460.75219.63
TIn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.6581.8332.0312.4295.81812.712
11-20 years ago0.0.0.6581.1451.5384.3227.416
21-30 years ago0.7580.5720.6581.0452.6275.419
31-40 years ago0.0.0.21000.6581.2413.6245.619
41-50 years ago0.4710.8511.4381.1455.4199.114
over 50 years ago0.4712.3293.8235.61847.6559.84
total2.1326.3189.51412.81269.2499.92
URn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.21000.7491.2401.4370.6584.120
11-20 years ago0.6570.21000.4670.9440.21002.226
21-30 years ago0.21000.0.0.8500.6580.21001.832
31-40 years ago0.0.0.21000.0.0.21000.6561.043
41-50 years ago0.21000.0.0.0.0.21000.5560.944
over 50 years ago0.21000.21000.0.0.6571.8312.825
total1.4351.3372.4273.9204.02012.96
VDn/a0.0.0.21000.0.0.0.0.0.0.2100
less than 10 years ago7.41611.91213.1119.2142.52944.15
11-20 years ago2.9255.1194.8201.7332.23016.710
21-30 years ago0.8502.0313.5232.0311.6359.814
31-40 years ago0.21001.0451.3380.4701.8334.720
41-50 years ago0.0.0.9451.7331.0451.3385.019
over 50 years ago0.21000.4710.8501.4384.3217.116
total11.61221.6925.2815.61013.71187.72
VSn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.6582.0322.6273.92212.91222.19
11-20 years ago0.6570.6582.8275.2194.92014.111
21-30 years ago0.21001.2411.4381.5354.1228.315
31-40 years ago0.4710.4711.5350.8503.5246.517
41-50 years ago0.4710.8500.9451.2414.7208.015
over 50 years ago1.4383.2254.2216.31725.0840.06
total3.6238.11513.41118.9955.1599.02
ZGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.3712.2251.3360.8470.21004.710
11-20 years ago0.4720.0.0.0.0.0.0.0.0.472
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.7502.2251.5330.8470.21005.48
ZHn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.02216.3910.7123.1250.85035.04
11-20 years ago1.0452.6272.5281.7350.6588.414
21-30 years ago0.4700.4701.2410.21000.9503.125
31-40 years ago0.0.0.21000.9500.0.0.21001.340
41-50 years ago0.0.0.21000.0.0.0.0.21000.471
over 50 years ago0.0.0.0.0.21000.0.0.4700.658
total5.51819.8815.4105.0193.12548.82
Switzerlandn/a0.0.0.21000.0.0.21000.0.0.471
less than 10 years ago44.76145.33135.8471.0566.15462.92
11-20 years ago20.61050.6647.5630.5840.17189.23
21-30 years ago7.41620.21021.01016.91129.1894.74
31-40 years ago3.22510.01412.0138.21530.3863.75
41-50 years ago3.2257.6167.8168.11626.9853.66
over 50 years ago5.61910.51417.01123.49136.93193.53
total84.55244.32241.23158.33329.521057.81
© WSL, Swiss National Forest Inventory, 22.06.2020 #799207/265539
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago6.41615.2912.6112.4281.63538.34
11-20 years ago0.6582.2291.4370.21000.4714.819
21-30 years ago0.0.0.8500.21000.21000.6571.832
31-40 years ago0.0.0.21000.0.0.0.1.2401.437
41-50 years ago0.0.0.0.0.4710.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.0.6580.658
total7.01518.4814.6102.8264.62047.52
AIless than 10 years ago0.0.0.6570.9420.4720.21002.126
11-20 years ago0.0.0.21000.3670.21000.21000.942
21-30 years ago0.21000.0.0.4680.0.0.4681.041
31-40 years ago0.0.0.21000.0.0.0.0.6570.749
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6570.657
total0.21000.9421.7290.5572.0285.310
ARless than 10 years ago0.3711.3390.9491.3320.31004.017
11-20 years ago0.0.0.21001.3370.5550.21002.127
21-30 years ago0.21000.0.0.6480.21000.6591.633
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.31000.3100
total0.5581.4363.0221.9231.3398.16
BEless than 10 years ago7.51634.6727.0812.61210.01491.73
11-20 years ago2.6288.0167.7164.3216.21828.98
21-30 years ago1.1414.3213.9233.6235.02017.910
31-40 years ago0.0.1.2412.0321.4385.3199.814
41-50 years ago0.4710.4710.6580.6583.8235.818
over 50 years ago0.6580.8501.2410.95011.51314.911
total12.21249.4542.3623.3941.86168.91
BL/BSless than 10 years ago1.7343.8223.6232.4290.210011.610
11-20 years ago0.21001.5370.6570.4710.9503.623
21-30 years ago0.4700.6581.1440.6580.4713.124
31-40 years ago0.0.0.0.0.4710.21000.0.0.757
41-50 years ago0.0.0.0.0.21000.21000.5710.950
over 50 years ago0.0.0.0.0.0.0.0.0.5710.571
total2.3295.9175.9173.9212.52820.43
FRless than 10 years ago2.3306.1179.1144.0223.02624.66
11-20 years ago0.5721.7322.0310.6581.1455.817
21-30 years ago0.6570.6571.8330.6580.21003.722
31-40 years ago0.0.1.3370.4710.21000.4732.228
41-50 years ago0.0.0.0.0.6570.21001.2411.931
over 50 years ago0.0.0.21000.7590.6591.7353.125
total3.4259.81314.5106.1187.51641.43
GEless than 10 years ago0.41001.2500.41000.41000.0.2.325
11-20 years ago0.0.0.0.0.41000.41000.21001.057
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.41000.0.0.4100
total0.41001.2500.8661.2500.21003.75
GLless than 10 years ago0.8501.4370.7490.21002.2295.317
11-20 years ago0.0.0.21000.0.0.4712.1292.625
21-30 years ago0.0.0.4690.21000.0.1.8322.326
31-40 years ago0.0.0.0.0.4710.21000.6581.240
41-50 years ago0.0.0.21000.0.0.0.1.2401.337
over 50 years ago0.0.0.0.0.0.0.0.2.5272.527
total0.8502.1291.3360.74910.31015.26
GRless than 10 years ago1.2415.6199.91412.51214.31143.56
11-20 years ago0.8504.2225.7188.21513.71232.77
21-30 years ago0.8501.6352.9263.72315.61124.68
31-40 years ago0.21001.0452.3292.8266.91713.212
41-50 years ago0.21001.3380.8501.4383.9227.616
over 50 years ago0.4712.5283.7234.52138.8750.06
total3.62316.21125.3833.1793.24171.52
JUless than 10 years ago2.2295.1187.5153.2240.84918.67
11-20 years ago0.0.2.5271.2400.8490.21004.719
21-30 years ago0.21000.8491.5351.0442.7266.216
31-40 years ago0.21000.0.0.4710.8500.8502.129
41-50 years ago0.0.0.0.0.0.0.21000.4700.657
over 50 years ago0.0.0.0.0.21000.21000.8501.241
total2.5278.41410.8116.1175.61733.43
LUless than 10 years ago2.82611.7115.7171.3401.04522.57
11-20 years ago0.4702.1303.2240.4710.8506.916
21-30 years ago0.0.1.4382.1310.8501.1415.518
31-40 years ago0.21000.8500.6580.21001.1442.826
41-50 years ago0.0.0.0.0.21000.0.0.4710.658
over 50 years ago0.0.0.21000.0.0.21001.6352.131
total3.42416.3911.7112.9266.11740.42
NEless than 10 years ago2.4279.4125.5172.1300.75720.16
11-20 years ago0.6592.1300.6580.21001.2414.619
21-30 years ago0.21001.6370.21000.3710.21002.529
31-40 years ago0.0.0.0.0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6600.660
total3.22313.1106.5152.6262.62828.03
NWless than 10 years ago0.21000.5681.0491.0410.31002.924
11-20 years ago0.0.0.31000.31000.5681.7362.726
21-30 years ago0.0.0.0.0.31000.0.0.5710.856
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.21000.0.0.0.1.6371.834
total0.21001.0491.5391.5354.1198.27
OWless than 10 years ago0.3721.0451.8312.4284.1219.711
11-20 years ago0.0.0.21000.21000.21001.3371.930
21-30 years ago0.21000.0.0.4720.0.0.5581.041
31-40 years ago0.0.0.0.0.21000.21000.9451.438
41-50 years ago0.0.0.0.0.0.0.0.1.1441.144
over 50 years ago0.0.0.21000.0.0.21003.5223.921
total0.5591.4372.6263.12411.41019.04
SGless than 10 years ago2.2305.11910.5134.9202.82725.57
11-20 years ago0.4712.4291.9313.6231.83310.013
21-30 years ago0.0.0.8501.2412.0321.7335.718
31-40 years ago0.0.0.21000.5710.8502.0323.524
41-50 years ago0.0.0.0.0.0.0.8500.7571.538
over 50 years ago0.0.0.0.0.21000.7586.1187.017
total2.6288.41414.31112.81115.21053.33
SHless than 10 years ago0.5701.8323.4222.2290.0.7.810
11-20 years ago0.0.1.0441.6330.4690.0.3.022
21-30 years ago0.0.0.0.0.21000.4690.5701.044
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total0.5703.1235.2162.9240.75712.33
SOless than 10 years ago1.4387.0157.2153.1240.46919.07
11-20 years ago1.2373.0251.3380.0.0.7586.216
21-30 years ago0.6581.3410.3700.0.1.8354.022
31-40 years ago0.0.0.21000.0.0.0.0.9501.045
41-50 years ago0.0.0.0.0.0.0.0.1.1451.145
over 50 years ago0.21000.21000.0.0.0.0.4720.851
total3.42311.6118.8133.1245.11932.12
SZless than 10 years ago0.0.2.3284.1203.8222.12912.410
11-20 years ago0.21000.4711.8331.3391.1414.819
21-30 years ago0.0.0.4710.8501.2410.7573.025
31-40 years ago0.21000.21000.21000.8500.6582.031
41-50 years ago0.0.0.21000.21000.4711.4382.230
over 50 years ago0.0.0.4710.21000.0.3.5234.121
total0.4713.9217.3147.4149.41328.54
TGless than 10 years ago3.2207.7123.8190.11000.110014.96
11-20 years ago0.5601.4370.8450.21000.4733.222
21-30 years ago0.0.0.4731.0440.21000.4702.029
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total3.6199.4115.5150.6580.94520.12
TIless than 10 years ago0.21001.9312.3302.6277.41614.411
11-20 years ago0.0.1.6351.4380.21006.91710.114
21-30 years ago0.21000.31000.6581.2419.61411.813
31-40 years ago0.7580.0.0.6581.3386.6179.214
41-50 years ago0.0.0.21000.4711.4388.31510.313
over 50 years ago0.21001.5382.6284.22157.0565.44
total1.3415.6197.91610.91395.73121.32
URless than 10 years ago0.6581.2401.1401.2391.9316.015
11-20 years ago0.0.0.6560.21001.0451.0452.825
21-30 years ago0.0.0.0.0.0.0.0.0.4710.471
31-40 years ago0.0.0.4710.0.0.4711.5342.227
41-50 years ago0.0.0.21000.0.0.0.0.8491.043
over 50 years ago0.0.0.0.0.4710.6572.4283.523
total0.6582.4261.7323.2228.01315.86
VDless than 10 years ago4.92018.1912.6125.9185.71847.25
11-20 years ago3.0265.4192.8252.0317.41620.69
21-30 years ago0.6582.1301.6351.6353.9229.713
31-40 years ago0.21000.6581.1411.0443.9226.916
41-50 years ago0.21000.21000.21001.0451.6353.225
over 50 years ago0.8500.5581.0450.4705.2198.015
total9.61426.9719.3912.01227.7795.62
VSless than 10 years ago1.0451.5354.3214.22213.31224.48
11-20 years ago0.4710.8504.3212.8275.61813.911
21-30 years ago0.0.0.4712.3292.3298.01513.112
31-40 years ago0.0.0.8500.7501.1416.8179.414
41-50 years ago0.21000.4712.3292.5277.31612.812
over 50 years ago0.9442.3292.7264.92029.5740.36
total2.5276.21716.71017.81070.74113.82
ZGless than 10 years ago0.11002.1261.4330.5560.0.4.113
11-20 years ago0.0.0.5670.4670.0.0.0.0.848
21-30 years ago0.0.0.3710.21000.0.0.0.0.659
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.11002.9202.2250.5560.0.5.76
ZHless than 10 years ago5.51814.61012.6112.8270.95036.54
11-20 years ago1.3372.5282.5280.21001.3407.715
21-30 years ago0.6581.0450.4710.21001.0453.424
31-40 years ago0.21000.6570.0.0.0.0.4701.241
41-50 years ago0.0.0.0.0.21000.0.0.4700.658
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total7.71518.8815.6103.2254.12249.42
Switzerlandless than 10 years ago48.06161.03149.8377.3573.25509.31
11-20 years ago12.61244.9743.9728.8856.36186.43
21-30 years ago5.91819.01024.1920.01057.76126.74
31-40 years ago1.9347.51610.11411.41340.4771.35
41-50 years ago1.0453.3246.2188.61534.4853.46
over 50 years ago3.1259.11513.01217.811168.83211.93
total72.55244.72247.23163.93430.821159.11
© WSL, Swiss National Forest Inventory, 22.06.2020 #799208/265540
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago6.01615.5912.3102.3271.63337.84
11-20 years ago0.5582.3271.2370.21000.6584.818
21-30 years ago0.0.0.9440.21000.21000.9442.128
31-40 years ago0.21000.21000.0.0.0.1.1401.434
41-50 years ago0.0.0.0.0.4710.0.0.4700.750
over 50 years ago0.0.0.0.0.0.0.0.0.5580.558
total6.81518.9814.192.7255.11847.52
AIless than 10 years ago0.0.0.6490.7430.3720.5572.123
11-20 years ago0.0.0.21000.2680.2680.21000.838
21-30 years ago0.21000.0.0.5570.0.0.5551.235
31-40 years ago0.0.0.11000.0.0.0.0.6480.743
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.6570.657
total0.21000.9391.4280.5482.4225.48
ARless than 10 years ago0.3711.3360.8491.2320.21003.817
11-20 years ago0.0.0.11001.2370.4550.11001.927
21-30 years ago0.21000.0.0.8450.11000.5591.631
31-40 years ago0.0.0.11000.11000.0.0.0.0.369
41-50 years ago0.0.0.0.0.11000.11000.0.0.371
over 50 years ago0.0.0.0.0.21000.0.0.21000.468
total0.5581.6323.2191.9231.1398.36
BEless than 10 years ago7.31535.2626.3812.61210.21391.63
11-20 years ago2.5278.0157.6154.6196.71629.37
21-30 years ago1.0413.8214.5203.7225.51818.79
31-40 years ago0.0.1.3382.2281.4355.71710.612
41-50 years ago0.3710.4710.9450.7503.7226.017
over 50 years ago0.7500.7501.2380.85011.61215.011
total11.81249.4542.6623.7843.56171.11
BL/BSless than 10 years ago1.5344.4203.4232.1290.210011.69
11-20 years ago0.21001.5350.9440.4710.8513.821
21-30 years ago0.3700.6581.0440.8500.4713.123
31-40 years ago0.0.0.0.0.4710.21000.0.0.657
41-50 years ago0.0.0.0.0.21000.21000.5710.950
over 50 years ago0.0.0.0.0.0.0.0.0.5710.571
total2.1296.5155.8173.7212.42920.53
FRless than 10 years ago2.6265.9179.2133.6223.42324.76
11-20 years ago0.5581.9292.1280.5581.1416.116
21-30 years ago0.7500.5581.6330.5580.4713.621
31-40 years ago0.0.1.3350.3710.21000.4712.227
41-50 years ago0.0.0.0.0.5570.21001.0401.731
over 50 years ago0.0.0.21000.7500.6581.7333.123
total3.9219.81214.495.5177.91441.42
GEless than 10 years ago0.41001.1510.41000.41000.0.2.127
11-20 years ago0.0.0.0.0.41000.41000.21000.957
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.41000.0.0.0.0.4100
over 50 years ago0.0.0.0.0.0.0.41000.0.0.4100
total0.41001.1511.1511.1510.21003.75
GLless than 10 years ago0.9451.7310.7430.11002.3275.815
11-20 years ago0.0.0.4710.21000.3712.0282.923
21-30 years ago0.0.0.3690.21000.0.1.6322.027
31-40 years ago0.0.0.0.0.4720.21000.6581.141
41-50 years ago0.0.0.11000.0.0.0.1.0411.238
over 50 years ago0.0.0.21000.0.0.11002.5252.823
total0.9452.7241.4310.8449.91015.76
GRless than 10 years ago1.1415.7179.91312.31214.21143.26
11-20 years ago0.9453.7226.6167.41513.31132.07
21-30 years ago0.9452.2293.1233.92115.51025.78
31-40 years ago0.21001.1412.1292.6267.61513.611
41-50 years ago0.21001.2380.9451.4354.4208.114
over 50 years ago0.4712.7263.5224.22041.6652.45
total3.62216.61026.2831.9796.73175.01
JUless than 10 years ago2.1285.2177.0152.9241.14018.37
11-20 years ago0.0.2.7251.6330.7500.21005.117
21-30 years ago0.21000.9441.4350.9442.4265.816
31-40 years ago0.21000.0.0.4710.7500.7501.930
41-50 years ago0.0.0.0.0.0.0.21000.4700.557
over 50 years ago0.0.0.11000.21000.21001.2381.731
total2.5268.91210.5115.5176.01633.42
LUless than 10 years ago2.92410.8116.4151.4351.23722.76
11-20 years ago0.3702.2272.9240.3711.0406.815
21-30 years ago0.0.1.7312.4260.9441.4356.315
31-40 years ago0.21000.7500.7500.21000.9442.625
41-50 years ago0.0.0.0.0.21000.0.0.3710.558
over 50 years ago0.0.0.21000.0.0.21001.6331.929
total3.42215.5812.6102.9236.41540.82
NEless than 10 years ago2.4269.3126.3152.1280.65720.66
11-20 years ago0.5582.1290.7500.21001.3384.818
21-30 years ago0.21001.4370.4700.3710.21002.427
31-40 years ago0.0.0.0.0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.7500.750
total3.12212.897.6132.5252.82528.83
NWless than 10 years ago0.21000.5680.8491.1380.6573.321
11-20 years ago0.0.0.21000.21000.5681.4362.327
21-30 years ago0.0.0.0.0.4680.0.0.4710.948
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.21000.2100
over 50 years ago0.0.0.21000.0.0.0.1.5341.732
total0.21000.8491.5351.6324.3178.36
OWless than 10 years ago0.3720.9452.1282.3284.31910.010
11-20 years ago0.0.0.4710.21000.21001.2372.129
21-30 years ago0.21000.0.0.3720.0.0.7511.238
31-40 years ago0.0.0.0.0.21000.21000.9451.338
41-50 years ago0.0.0.0.0.0.0.0.1.0441.044
over 50 years ago0.0.0.21000.0.0.6583.4224.219
total0.5581.6342.8243.32211.5919.64
SGless than 10 years ago2.1295.91710.5124.3203.02525.77
11-20 years ago0.6582.5261.7313.9211.83110.412
21-30 years ago0.0.1.0411.0412.0302.2296.216
31-40 years ago0.0.0.21000.6570.7501.8323.323
41-50 years ago0.0.0.0.0.0.0.9450.8491.733
over 50 years ago0.0.0.0.0.3700.7506.6167.715
total2.6259.51314.11012.51116.1954.93
SHless than 10 years ago0.4692.0293.3222.0300.0.7.710
11-20 years ago0.0.0.9431.6310.4690.0.2.921
21-30 years ago0.0.0.0.0.21000.4690.4690.943
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.0.0.4720.659
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total0.4693.1225.1152.7251.04512.23
SOless than 10 years ago1.4367.3146.8143.0220.55719.06
11-20 years ago1.1373.1231.3350.0.0.8506.215
21-30 years ago1.0441.1410.4570.0.1.9304.419
31-40 years ago0.0.0.11000.0.0.0.0.8500.945
41-50 years ago0.0.0.0.0.0.0.0.0.9450.945
over 50 years ago0.21000.21000.0.0.0.0.6590.945
total3.62111.9108.5123.0225.41732.42
SZless than 10 years ago0.4712.9244.1193.5212.12813.09
11-20 years ago0.21000.3711.8311.4341.0414.818
21-30 years ago0.0.0.4710.9451.4350.6573.223
31-40 years ago0.21000.21000.21000.7500.7502.030
41-50 years ago0.0.0.21000.21000.3711.3381.930
over 50 years ago0.0.0.6570.21000.0.3.1233.920
total0.7504.5187.4137.3148.81328.73
TGless than 10 years ago3.2197.5123.8180.11000.110014.86
11-20 years ago0.6501.4340.7450.21000.5583.320
21-30 years ago0.0.0.3721.1390.21000.4701.928
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.21000.0.0.2100
total3.8179.2105.6140.7501.04020.23
TIless than 10 years ago0.4712.3282.2292.6268.41415.910
11-20 years ago0.0.1.4351.3380.21006.5169.414
21-30 years ago0.21000.21000.7501.14110.01312.212
31-40 years ago0.6580.0.0.9451.2386.8169.513
41-50 years ago0.0.0.21000.5581.4357.91410.013
over 50 years ago0.21001.5362.8253.72157.8466.04
total1.3385.7188.51410.11397.43123.02
URless than 10 years ago0.7491.1401.2361.2362.1286.314
11-20 years ago0.0.0.6560.4690.9450.9442.724
21-30 years ago0.0.0.0.0.0.0.0.0.4710.471
31-40 years ago0.0.0.3710.0.0.3711.9292.625
41-50 years ago0.0.0.21000.0.0.0.0.7490.943
over 50 years ago0.0.0.0.0.4710.5572.6253.621
total0.7492.2262.0293.0228.71216.65
VDless than 10 years ago4.71917.8912.4116.4165.41846.85
11-20 years ago2.7265.0193.1231.8317.41519.99
21-30 years ago0.9452.9242.1291.6334.42011.911
31-40 years ago0.21000.7501.0410.9444.0216.916
41-50 years ago0.21000.21000.4711.1411.8323.622
over 50 years ago0.7500.5581.3380.7505.4188.614
total9.31327.1720.4812.51128.4797.82
VSless than 10 years ago0.9451.7314.0214.61912.71124.08
11-20 years ago0.3711.1414.0213.0245.61714.011
21-30 years ago0.0.0.3712.1292.6268.01513.011
31-40 years ago0.0.0.9451.0411.5337.71511.112
41-50 years ago0.3710.3712.1292.3277.21512.211
over 50 years ago0.9442.3282.6264.51930.1740.36
total2.4276.61615.81018.6971.34114.72
ZGless than 10 years ago0.11002.0261.3320.5560.0.3.913
11-20 years ago0.0.0.4680.4670.0.0.0.0.848
21-30 years ago0.0.0.5580.21000.0.0.4711.139
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.11002.9192.1250.5560.4716.05
ZHless than 10 years ago5.41714.8912.1113.1240.85036.04
11-20 years ago1.2372.5272.6260.21001.1407.614
21-30 years ago0.6580.9450.4710.4701.1403.423
31-40 years ago0.21000.5570.21000.0.0.4701.337
41-50 years ago0.0.0.0.0.21000.0.0.4700.658
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total7.31418.7815.493.7223.92148.92
Switzerlandless than 10 years ago47.56163.43148.1376.0575.65510.61
11-20 years ago12.21244.9644.8628.1855.86185.73
21-30 years ago6.41720.1925.8820.8960.05133.13
31-40 years ago1.9327.71511.01311.11342.4674.15
41-50 years ago1.0412.9246.8168.81434.4753.96
over 50 years ago3.0249.41413.61117.410174.13217.52
total72.05248.42250.02162.13442.321174.90
© WSL, Swiss National Forest Inventory, 22.06.2020 #799209/265541
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.21000.0.0.2100
less than 10 years ago3.92216.7910.7124.0210.85036.14
11-20 years ago2.6271.4371.2410.4711.0456.616
21-30 years ago0.21000.4710.6580.4710.21001.833
31-40 years ago0.0.0.0.0.0.0.0.0.4700.470
41-50 years ago0.4700.21000.0.0.0.0.4701.044
over 50 years ago0.21000.21000.21000.0.0.8501.437
total7.31518.9812.7115.0193.62347.52
AIn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.0.0.0.7490.21000.0.0.942
11-20 years ago0.0.0.7490.4720.4720.4711.928
21-30 years ago0.0.0.0.0.21000.0.0.0.0.2100
31-40 years ago0.0.0.0.0.21000.4710.4681.041
41-50 years ago0.0.0.21000.0.0.21000.21000.657
over 50 years ago0.0.0.0.0.0.0.4720.4710.850
total0.0.0.9421.5311.5341.5345.310
ARn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.3670.6601.0451.0460.6583.421
11-20 years ago0.0.1.5340.7510.3690.21002.722
21-30 years ago0.21000.7490.21000.21000.21001.333
31-40 years ago0.0.0.0.0.0.0.21000.6590.750
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.31000.473
total0.5562.7232.0281.6331.7338.46
BEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.11529.0827.7814.61111.41390.83
11-20 years ago2.9268.4159.5145.4195.21931.37
21-30 years ago0.8502.8274.8204.1214.82017.310
31-40 years ago0.6581.9331.4381.8334.42110.114
41-50 years ago0.6580.6580.4711.8333.4246.717
over 50 years ago1.0450.8501.6351.93112.81218.110
total14.01243.5645.4629.5742.06174.31
BL/BSn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.8343.8213.1251.8320.47110.910
11-20 years ago0.4713.1261.1440.4710.0.5.019
21-30 years ago0.0.0.7570.21000.4710.4701.735
31-40 years ago0.0.0.7570.4710.21000.21001.537
41-50 years ago0.21000.0.0.0.0.21000.0.0.470
over 50 years ago0.0.0.0.0.0.0.31001.0491.343
total2.4298.2134.8193.4232.03220.83
FRn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.8278.7145.5184.6191.43823.07
11-20 years ago0.9442.3303.3250.6580.8508.015
21-30 years ago0.21000.7490.8510.21000.6582.627
31-40 years ago0.4700.6571.0450.5570.6593.124
41-50 years ago0.21000.4700.7590.5570.0.1.733
over 50 years ago0.4710.0.1.1450.0.1.9333.325
total4.81912.71112.5116.5165.31941.83
GEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.2.0320.0.0.0.0.8662.719
11-20 years ago0.0.0.0.0.0.0.0.0.0.0.0.
21-30 years ago0.0.0.0.0.41000.41000.21001.057
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.2.0320.41000.41001.0573.75
GLn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4711.4370.4711.3370.9434.419
11-20 years ago0.21000.6571.1400.6580.6583.124
21-30 years ago0.4710.6570.4710.0.1.1402.527
31-40 years ago0.21000.8490.21000.0.0.5571.731
41-50 years ago0.0.0.4710.0.0.0.0.7571.144
over 50 years ago0.21000.21000.4710.8492.4283.921
total1.4364.0202.3252.8256.11616.66
GRn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.8503.7237.7165.41920.01037.67
11-20 years ago1.6355.4194.7202.82716.01130.47
21-30 years ago1.4383.5233.6232.92615.61127.08
31-40 years ago0.4712.2301.3381.63514.01219.510
41-50 years ago0.4711.6350.6581.0458.71512.212
over 50 years ago0.8502.2304.7204.32143.7655.75
total5.41918.51022.7918.010118.03182.51
JUn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.8325.7175.7173.3231.43817.87
11-20 years ago0.8503.1241.2411.0451.2407.215
21-30 years ago0.4710.6580.8490.6570.8503.124
31-40 years ago0.21000.4710.6570.21001.2402.527
41-50 years ago0.0.0.21000.21000.0.0.6581.045
over 50 years ago0.21000.0.0.6570.21001.1402.129
total3.32310.0129.0135.2186.21633.72
LUn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.2417.3148.5144.6201.63523.27
11-20 years ago1.6353.6232.3282.1310.65810.212
21-30 years ago0.21001.2400.4710.21000.21002.229
31-40 years ago0.9500.6570.4710.0.0.21002.031
41-50 years ago0.0.0.5690.21000.21000.4711.340
over 50 years ago0.0.0.21000.21000.4711.1441.933
total3.82213.31012.0117.5154.22140.82
NEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.1208.2149.3130.3700.210022.15
11-20 years ago0.9440.9501.3410.0.0.4693.423
21-30 years ago0.4710.3710.0.0.3710.21001.237
31-40 years ago0.0.0.21000.4710.0.0.5721.045
41-50 years ago0.0.0.0.0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.6600.660
total5.4179.61211.1110.7491.83328.53
NWn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.0.5680.7570.6591.0472.925
11-20 years ago0.0.0.4670.9511.0490.5722.727
21-30 years ago0.21000.0.0.5710.0.0.5681.243
31-40 years ago0.0.0.0.0.31000.0.0.0.0.3100
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.4670.0.1.0491.340
total0.21000.9492.8261.6363.0248.47
OWn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4741.6342.5260.8491.9307.213
11-20 years ago0.21001.2420.3692.0300.8504.519
21-30 years ago0.21000.21000.0.0.4720.9451.734
31-40 years ago0.0.0.0.0.0.0.0.0.5580.558
41-50 years ago0.0.0.21000.4740.0.1.0451.635
over 50 years ago0.21000.5680.0.0.8513.4234.919
total1.1443.7213.2223.9218.61320.44
SGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.1256.6177.9153.2252.82723.78
11-20 years ago1.2413.3242.8262.0323.02612.212
21-30 years ago0.21002.6270.8501.2400.8505.518
31-40 years ago0.0.0.7580.9450.4721.4383.424
41-50 years ago0.0.0.21000.9501.1440.8503.126
over 50 years ago0.0.0.6580.5711.1456.5178.515
total4.42014.01113.8119.01415.31056.53
SHn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1430.7572.6261.9320.0.6.313
11-20 years ago0.0.2.6261.2380.4710.0.4.219
21-30 years ago0.21001.0440.21000.21000.0.1.633
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total1.3394.2194.0192.7260.210012.53
SOn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.3389.1135.9172.0311.24119.67
11-20 years ago1.4381.6352.6260.7510.7497.015
21-30 years ago0.21000.21000.21000.4720.4721.338
31-40 years ago0.0.0.3710.21000.0.0.8511.338
41-50 years ago0.4720.21000.21000.0.0.4721.241
over 50 years ago0.5700.0.0.0.0.0.1.6352.131
total3.82211.3119.1133.2245.11832.62
SZn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.21001.6353.8222.2292.82610.611
11-20 years ago0.6582.0312.6270.7501.2417.115
21-30 years ago0.0.0.4680.4710.8501.2412.826
31-40 years ago0.0.0.4710.21000.3700.8501.733
41-50 years ago0.21000.21000.21000.21001.1401.931
over 50 years ago0.21000.21000.0.0.4714.2215.019
total1.2414.9197.1154.61911.31229.14
TGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1417.4134.9170.5600.37314.26
11-20 years ago0.5601.8310.5480.0.0.4733.222
21-30 years ago0.4700.6580.6580.4700.0.2.029
31-40 years ago0.0.0.21000.4700.0.0.0.0.756
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.21000.0.0.2100
total2.1309.9106.5141.2410.75220.32
TIn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.6582.0312.0312.8277.21614.611
11-20 years ago0.0.0.6581.3411.5385.6199.015
21-30 years ago0.7580.6580.8501.2416.1189.514
31-40 years ago0.21000.4711.0451.2418.21511.013
41-50 years ago0.4711.0451.4381.1457.91611.813
over 50 years ago0.4712.7273.8236.01858.6571.64
total2.3307.41610.31413.81193.63127.42
URn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.21001.1401.8331.6340.6585.217
11-20 years ago0.6570.21000.5560.9440.5562.823
21-30 years ago0.21000.0.0.8500.6580.9492.527
31-40 years ago0.0.0.21000.0.0.4711.0441.635
41-50 years ago0.21000.0.0.0.0.21000.5560.944
over 50 years ago0.21000.21000.0.0.6572.6263.622
total1.4351.7323.1244.3196.11516.55
VDn/a0.0.0.21000.0.0.0.0.0.0.2100
less than 10 years ago7.61512.51213.9119.9133.32547.35
11-20 years ago3.5235.7185.0202.0322.42818.510
21-30 years ago1.2412.0313.9222.5281.83311.413
31-40 years ago0.21001.6351.3380.8502.0315.918
41-50 years ago0.0.0.9451.9321.0452.0325.818
over 50 years ago0.21000.6580.8501.4385.2198.115
total12.81223.6826.9717.61016.61097.42
VSn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.8502.2303.1264.72015.81126.58
11-20 years ago0.6570.6582.8275.4195.31914.711
21-30 years ago0.21001.2411.6351.9316.11810.913
31-40 years ago0.4710.4711.9310.8507.31610.813
41-50 years ago0.6581.0451.1411.2417.61611.513
over 50 years ago1.4383.2254.6206.31731.2746.75
total4.0228.51515.01120.3973.44121.12
ZGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.3712.2251.7310.8470.21005.19
11-20 years ago0.4720.0.0.0.0.0.0.0.0.472
21-30 years ago0.21000.0.0.0.0.0.0.0.0.2100
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.9442.2251.9280.8470.21006.05
ZHn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.02217.3911.1123.1250.85036.34
11-20 years ago1.0452.6272.7271.7350.6588.614
21-30 years ago0.7570.4701.2410.21000.9503.424
31-40 years ago0.0.0.21000.9500.0.0.21001.340
41-50 years ago0.0.0.21000.0.0.0.0.21000.471
over 50 years ago0.0.0.0.0.21000.0.0.4700.658
total5.71820.8816.0105.0193.12550.51
Switzerlandn/a0.0.0.21000.0.0.21000.0.0.471
less than 10 years ago45.96151.83142.1375.3577.55492.61
11-20 years ago21.9953.4649.9632.3847.26204.73
21-30 years ago8.61520.81023.2919.51043.87115.94
31-40 years ago3.42411.61313.0128.81545.2782.05
41-50 years ago3.6247.9168.4158.71535.9764.55
over 50 years ago5.81911.61319.21025.19181.03242.62
total89.25257.32255.82169.93430.521202.71
© WSL, Swiss National Forest Inventory, 22.06.2020 #799210/265542
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearless than 10 years ago34.977.5163.6231.0451.2410.210048.46
11-20 years ago9.6141.6350.4710.4710.4710.47112.812
21-30 years ago4.0220.6580.4710.0.0.6580.4715.918
31-40 years ago0.6580.21000.21000.0.0.21000.6581.833
41-50 years ago0.21000.4710.0.0.21000.21000.0.0.945
over 50 years ago1.4380.21000.0.0.9440.4710.21003.225
total50.7610.5144.6212.5273.0261.83373.15
2-5 yearsless than 10 years ago116.0424.0912.0121.5355.5192.230161.23
11-20 years ago27.386.8174.3210.8503.6232.23045.07
21-30 years ago11.4133.5241.7330.4710.8501.04418.910
31-40 years ago1.8333.2250.9450.8500.6580.4717.816
41-50 years ago0.21000.6580.6580.4711.2410.4713.424
over 50 years ago1.2411.2410.4712.3291.6352.4299.215
total157.9339.4720.096.21713.2128.715245.42
6-10 yearsless than 10 years ago89.8426.7817.6104.3219.5142.628150.63
11-20 years ago16.61110.0146.0184.3215.6191.63544.17
21-30 years ago7.7167.2173.5232.3292.4291.24124.39
31-40 years ago1.9323.4241.0450.7501.9311.04510.014
41-50 years ago1.0451.4380.4712.3290.8500.4716.318
over 50 years ago1.4381.6351.1442.7262.6283.72313.112
total118.3350.4629.5716.71022.8910.513248.32
11-20 yearsless than 10 years ago28.7816.61112.2124.22211.7133.42476.85
11-20 years ago5.2195.7186.4172.8278.0150.65828.68
21-30 years ago5.3194.3223.4242.3293.4241.63520.210
31-40 years ago1.2412.8272.2301.1412.7261.33811.413
41-50 years ago1.2411.0451.2412.5271.0451.8338.715
over 50 years ago1.0451.6351.2414.9202.3296.41717.311
total42.6632.0726.5817.81029.1715.011163.13
> 20 yearsless than 10 years ago11.71316.01110.01413.31213.6128.21572.95
11-20 years ago10.31412.6127.0175.61812.4128.11556.16
21-30 years ago12.1136.7175.4198.01513.31211.91357.56
31-40 years ago8.1156.7175.4196.8175.3198.11540.37
41-50 years ago4.5215.7184.0227.3162.9269.41433.88
over 50 years ago6.51721.3915.31129.5727.1868.24167.93
total53.2669.1547.0670.7474.64113.93428.42
totalless than 10 years ago281.2290.9455.3524.4841.5616.611509.91
11-20 years ago68.9536.8724.1813.91130.0712.912186.63
21-30 years ago40.5722.3914.51113.11220.4916.011126.94
31-40 years ago13.61216.3119.6149.41410.81311.51371.25
41-50 years ago7.0179.1146.21812.8126.01812.01253.16
over 50 years ago11.51325.9817.91040.3634.0781.04210.73
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #799211/265543
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearless than 10 years ago34.177.5163.2251.0451.2410.210047.26
11-20 years ago9.4141.4380.21000.4710.4710.47112.213
21-30 years ago4.0220.6580.4710.0.0.6580.4715.918
31-40 years ago0.6580.21000.21000.0.0.21000.4711.635
41-50 years ago0.21000.4710.0.0.21000.21000.0.0.945
over 50 years ago1.2410.21000.0.0.9440.4710.21002.926
total49.5610.3144.0222.5273.0261.63570.95
2-5 yearsless than 10 years ago114.8423.0911.1131.3384.5212.032156.73
11-20 years ago26.686.4183.9230.8503.2252.03143.07
21-30 years ago10.6143.5241.7330.21000.4711.04417.511
31-40 years ago1.8333.0260.9450.8500.6580.4717.616
41-50 years ago0.21000.6580.6580.4711.2410.4713.424
over 50 years ago1.2411.0450.21002.3291.4372.3308.415
total155.3337.6718.5105.81811.2138.115236.52
6-10 yearsless than 10 years ago87.8425.9816.7103.8238.9152.429145.63
11-20 years ago16.4119.4146.0184.3215.4191.63543.17
21-30 years ago7.5167.0173.3241.9311.8331.04522.59
31-40 years ago1.8333.2251.0450.7501.9311.0459.614
41-50 years ago1.0451.2410.4712.1300.8500.4715.918
over 50 years ago1.2411.4381.1442.7262.4293.72312.513
total115.6448.2628.5715.51021.3910.114239.23
11-20 yearsless than 10 years ago28.3816.61111.7123.62311.2133.42474.85
11-20 years ago4.8205.3195.8182.6287.8160.47126.68
21-30 years ago5.1203.9233.4241.9322.6281.04517.910
31-40 years ago1.2412.8272.2300.9452.7261.04510.813
41-50 years ago1.2411.0451.2412.5271.0451.8338.715
over 50 years ago0.8501.6351.0454.9202.1306.21816.511
total41.4731.2725.3816.41027.3813.711155.33
> 20 yearsless than 10 years ago10.91314.8119.81412.31211.8136.81766.45
11-20 years ago9.31410.9135.7184.6209.6145.02045.27
21-30 years ago11.9136.1184.4214.5219.9147.01743.97
31-40 years ago7.7165.9184.3214.9203.7235.81832.38
41-50 years ago4.5214.7203.4246.3172.3297.61628.88
over 50 years ago6.11816.61111.31326.1821.3957.35138.83
total50.4659.1539.0658.8458.5589.63355.32
totalless than 10 years ago276.0287.9452.6521.9937.5614.811490.71
11-20 years ago66.5533.5721.7912.71226.489.414170.13
21-30 years ago39.1721.1913.3128.61515.21110.413107.74
31-40 years ago13.01215.1118.6157.4169.1148.61561.85
41-50 years ago7.0177.9165.61911.5125.41910.21447.76
over 50 years ago10.41420.9913.61236.9627.6869.74179.13
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 22.06.2020 #799212/265544
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearless than 10 years ago35.877.5163.6231.0451.2410.210049.36
11-20 years ago9.6141.6350.4710.4710.4710.47112.812
21-30 years ago4.0220.6580.4710.0.0.6580.4715.918
31-40 years ago0.6580.21000.21000.0.0.21000.6581.833
41-50 years ago0.21000.4710.0.0.21000.21000.0.0.945
over 50 years ago1.4380.21000.0.0.9440.4710.21003.225
total51.5610.5144.6212.5273.0261.83373.95
2-5 yearsless than 10 years ago116.7424.4912.4121.5355.5192.230162.63
11-20 years ago27.486.8174.5210.8503.6232.23045.46
21-30 years ago11.7133.5241.7330.4711.0451.04419.310
31-40 years ago1.8333.4240.9450.8500.6580.4717.916
41-50 years ago0.21000.6580.6580.4711.2410.4713.424
over 50 years ago1.2411.2410.6582.3291.8332.6279.814
total158.9340.0620.896.21713.6128.915248.52
6-10 yearsless than 10 years ago90.0427.3817.8104.3219.7142.628151.83
11-20 years ago16.71110.0146.0184.3215.6191.63544.37
21-30 years ago7.9167.2173.5232.3292.5281.24124.79
31-40 years ago2.1303.4241.0450.9451.9311.04510.414
41-50 years ago1.0451.4380.4712.3290.8500.4716.318
over 50 years ago1.4381.8331.1442.7262.6284.12213.712
total119.1351.2629.7716.91023.2910.913251.12
11-20 yearsless than 10 years ago28.7816.61112.4124.22211.9123.42477.35
11-20 years ago5.2195.7186.6172.8278.0150.65828.88
21-30 years ago5.3194.3223.4242.3293.4241.63520.210
31-40 years ago1.2412.8272.2301.1412.7261.33811.413
41-50 years ago1.2411.2411.2412.5271.0451.8338.915
over 50 years ago1.4381.6351.2414.9202.3296.41717.710
total43.0632.2726.9817.81029.3715.011164.33
> 20 yearsless than 10 years ago12.11316.61110.61313.31213.8128.41574.85
11-20 years ago11.31313.0127.2165.61812.6128.31558.16
21-30 years ago12.4136.7175.6188.01513.51212.51258.76
31-40 years ago8.1156.9175.4197.0175.7188.11541.17
41-50 years ago4.5215.9184.0227.5162.9269.61434.47
over 50 years ago6.51722.5915.71129.9727.9870.24172.73
total54.8671.7548.4571.4476.44117.03439.82
totalless than 10 years ago283.2292.6456.7524.4842.1616.710515.71
11-20 years ago70.3537.2724.7813.91130.2713.112189.53
21-30 years ago41.1722.3914.71113.11221.0916.610128.94
31-40 years ago13.81216.7109.6149.81411.21311.51372.65
41-50 years ago7.0179.5146.21813.0126.01812.21253.96
over 50 years ago11.91327.3818.51040.7635.0783.54217.03
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 22.06.2020 #799213/265545
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.21000.0.0.2100
less than 10 years ago3.92216.7910.7124.0210.85036.14
11-20 years ago2.6271.4371.2410.4711.0456.616
21-30 years ago0.21000.4710.6580.4710.21001.833
31-40 years ago0.0.0.0.0.0.0.0.0.4700.470
41-50 years ago0.4700.21000.0.0.0.0.4701.044
over 50 years ago0.21000.21000.21000.0.0.8501.437
total7.31518.9812.7115.0193.62347.52
AIn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.0.0.0.7490.21000.0.0.942
11-20 years ago0.0.0.7490.4720.4720.4711.928
21-30 years ago0.0.0.0.0.21000.0.0.0.0.2100
31-40 years ago0.0.0.0.0.21000.4710.4681.041
41-50 years ago0.0.0.21000.0.0.21000.21000.657
over 50 years ago0.0.0.0.0.0.0.4720.4710.850
total0.0.0.9421.5311.5341.5345.310
ARn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.3670.6601.0451.0460.4703.222
11-20 years ago0.0.1.5340.6590.3690.21002.523
21-30 years ago0.21000.7490.21000.21000.21001.333
31-40 years ago0.0.0.0.0.0.0.21000.6590.750
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.31000.473
total0.5562.7231.8291.6331.5358.16
BEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.91628.8826.9814.61110.81389.03
11-20 years ago2.9268.2159.5145.4194.82030.77
21-30 years ago0.8502.4294.8203.9224.42116.311
31-40 years ago0.6581.9331.4381.8334.0229.714
41-50 years ago0.6580.6580.4711.8333.4246.717
over 50 years ago1.0450.8501.0451.93111.81316.511
total13.81242.7644.0629.3739.26168.91
BL/BSn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.8343.8212.9261.6340.47110.511
11-20 years ago0.4713.1261.1440.4710.0.5.019
21-30 years ago0.0.0.7570.21000.4710.4701.735
31-40 years ago0.0.0.7570.4710.21000.21001.537
41-50 years ago0.21000.0.0.0.0.21000.0.0.470
over 50 years ago0.0.0.0.0.0.0.31001.0491.343
total2.4298.2134.6203.2242.03220.43
FRn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.8278.7145.4194.6191.43822.87
11-20 years ago0.9442.3303.1250.6580.8507.815
21-30 years ago0.21000.7490.8510.21000.6582.627
31-40 years ago0.4700.6571.0450.5570.6593.124
41-50 years ago0.21000.4700.7590.5570.0.1.733
over 50 years ago0.4710.0.1.1450.0.1.9333.325
total4.81912.71112.1116.5165.31941.43
GEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.2.0320.0.0.0.0.8662.719
11-20 years ago0.0.0.0.0.0.0.0.0.0.0.0.
21-30 years ago0.0.0.0.0.41000.41000.21001.057
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.2.0320.41000.41001.0573.75
GLn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4711.4370.4711.2400.9434.219
11-20 years ago0.21000.6571.1400.6580.6583.124
21-30 years ago0.4710.6570.4710.0.0.9432.328
31-40 years ago0.21000.8490.21000.0.0.4711.533
41-50 years ago0.0.0.4710.0.0.0.0.5690.949
over 50 years ago0.21000.21000.4710.8491.8333.323
total1.4364.0202.3252.6264.91715.26
GRn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.6583.7237.6165.21918.71035.77
11-20 years ago1.6355.4194.7202.82715.81130.27
21-30 years ago1.4383.5233.2252.92613.21224.29
31-40 years ago0.4712.2301.3381.63513.81219.310
41-50 years ago0.4711.6350.6581.0458.01511.613
over 50 years ago0.8502.2304.5214.32138.7750.56
total5.21918.51021.8917.810108.23171.52
JUn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.8325.7175.7173.3231.24117.77
11-20 years ago0.8503.1241.2411.0451.0447.015
21-30 years ago0.4710.6580.8490.6570.8503.124
31-40 years ago0.21000.4710.6570.21001.2402.527
41-50 years ago0.0.0.21000.21000.0.0.6581.045
over 50 years ago0.21000.0.0.6570.21001.1402.129
total3.32310.0129.0135.2185.81733.43
LUn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.2417.3148.5144.6201.63523.27
11-20 years ago1.6353.6232.3282.1310.65810.212
21-30 years ago0.0.1.2400.4710.21000.21002.031
31-40 years ago0.9500.6570.4710.0.0.21002.031
41-50 years ago0.0.0.5690.21000.21000.4711.340
over 50 years ago0.0.0.21000.21000.21001.1441.735
total3.62313.31012.0117.3154.22140.42
NEn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.1208.2149.0130.3700.210021.95
11-20 years ago0.9440.6581.3410.0.0.4693.124
21-30 years ago0.4710.3710.0.0.3710.21001.237
31-40 years ago0.0.0.21000.4710.0.0.5721.045
41-50 years ago0.0.0.0.0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.6600.660
total5.4179.31210.9110.7491.83328.03
NWn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.0.0.5680.7570.6591.0472.925
11-20 years ago0.0.0.4670.9511.0490.31002.528
21-30 years ago0.21000.0.0.5710.0.0.5681.243
31-40 years ago0.0.0.0.0.31000.0.0.0.0.3100
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.4670.0.1.0491.340
total0.21000.9492.8261.6362.8258.27
OWn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4741.6342.3260.8491.7326.813
11-20 years ago0.21001.2420.3691.9310.8504.420
21-30 years ago0.21000.21000.0.0.4720.5591.338
31-40 years ago0.0.0.0.0.0.0.0.0.5580.558
41-50 years ago0.0.0.21000.4740.0.1.0451.635
over 50 years ago0.21000.21000.0.0.8513.2244.520
total1.1443.5223.0233.8217.71319.04
SGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.9256.4177.9153.2252.62823.08
11-20 years ago1.0453.3242.8262.0322.82711.912
21-30 years ago0.21002.6270.6581.0440.6574.919
31-40 years ago0.0.0.7580.9450.4721.4383.424
41-50 years ago0.0.0.21000.9500.9500.7582.629
over 50 years ago0.0.0.6580.5711.1455.4197.516
total4.12113.71113.6118.51513.41153.33
SHn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1430.7572.6261.7340.0.6.114
11-20 years ago0.0.2.6261.2380.4710.0.4.219
21-30 years ago0.21001.0440.21000.21000.0.1.633
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.0.21000.2100
total1.3394.2194.0192.5260.210012.33
SOn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.3389.1135.9172.0311.24119.67
11-20 years ago1.2411.6352.6260.5580.7496.616
21-30 years ago0.21000.21000.21000.4720.4721.338
31-40 years ago0.0.0.3710.21000.0.0.8511.338
41-50 years ago0.4720.21000.21000.0.0.4721.241
over 50 years ago0.5700.0.0.0.0.0.1.6352.131
total3.62311.3119.1133.0255.11832.12
SZn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.21001.6353.8222.2292.62710.412
11-20 years ago0.6582.0312.6270.7501.0456.915
21-30 years ago0.0.0.4680.4710.8501.2412.826
31-40 years ago0.0.0.4710.21000.3700.8501.733
41-50 years ago0.21000.21000.21000.21001.1401.931
over 50 years ago0.21000.21000.0.0.21004.2214.720
total1.2414.9197.1154.41910.91228.54
TGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1417.4134.9170.5600.37314.26
11-20 years ago0.5601.8310.5480.0.0.4733.222
21-30 years ago0.4700.6580.6580.4700.0.2.029
31-40 years ago0.0.0.21000.4700.0.0.0.0.756
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
total2.1309.9106.5140.9460.75220.12
TIn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.6582.0312.0312.6287.21614.411
11-20 years ago0.0.0.6581.1451.5385.2198.415
21-30 years ago0.7580.6580.8501.2415.9189.314
31-40 years ago0.21000.21001.0451.2417.41610.014
41-50 years ago0.4711.0451.4381.1457.31611.213
over 50 years ago0.4712.5283.8235.81855.5568.14
total2.3307.01710.11413.41288.53121.32
URn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.21001.1401.6351.6340.6585.017
11-20 years ago0.6570.21000.5560.9440.3702.624
21-30 years ago0.21000.0.0.8500.6580.9492.527
31-40 years ago0.0.0.21000.0.0.4710.8491.437
41-50 years ago0.21000.0.0.0.0.21000.5560.944
over 50 years ago0.21000.21000.0.0.6572.4283.423
total1.4351.7322.9244.3195.61615.86
VDn/a0.0.0.21000.0.0.0.0.0.0.2100
less than 10 years ago7.61512.31213.9119.7143.32546.95
11-20 years ago3.3245.7184.8202.0322.42818.110
21-30 years ago1.0452.0313.9222.5281.63511.013
31-40 years ago0.21001.4381.3380.8502.0315.718
41-50 years ago0.0.0.9451.9321.0452.0325.818
over 50 years ago0.21000.4710.8501.4385.0207.715
total12.41223.0826.7717.41016.21095.62
VSn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.8502.2302.8264.72015.01125.58
11-20 years ago0.6570.6582.8275.2195.31914.511
21-30 years ago0.21001.2411.6351.7335.1199.714
31-40 years ago0.4710.4711.9310.8506.1189.614
41-50 years ago0.4711.0451.1411.2416.41710.114
over 50 years ago1.4383.2254.4206.31729.2744.56
total3.8238.51514.61119.9967.14113.82
ZGn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.3712.2251.4330.8470.21004.910
11-20 years ago0.4720.0.0.0.0.0.0.0.0.472
21-30 years ago0.21000.0.0.0.0.0.0.0.0.2100
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.21000.0.0.0.0.2100
total0.9442.2251.7310.8470.21005.76
ZHn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.02216.8910.9123.1250.85035.64
11-20 years ago1.0452.6272.5281.7350.6588.414
21-30 years ago0.4700.4701.2410.21000.9503.125
31-40 years ago0.0.0.21000.9500.0.0.21001.340
41-50 years ago0.0.0.21000.0.0.0.0.21000.471
over 50 years ago0.0.0.0.0.21000.0.0.4700.658
total5.51820.2815.6105.0193.12549.42
Switzerlandn/a0.0.0.21000.0.0.21000.0.0.471
less than 10 years ago45.36150.63139.4374.2573.75483.32
11-20 years ago21.41052.9648.9631.7845.36200.23
21-30 years ago8.01620.41022.6918.91038.77108.64
31-40 years ago3.42411.21313.0128.81542.2778.65
41-50 years ago3.4247.9168.4158.51533.0861.26
over 50 years ago5.81910.91318.21024.29167.63226.73
total87.25254.32250.62166.43400.621159.11
© WSL, Swiss National Forest Inventory, 22.06.2020 #799214/265546
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearless than 10 years ago34.677.0164.1210.9451.1410.47148.16
11-20 years ago9.4141.4350.4710.3710.6580.47112.412
21-30 years ago4.5200.5580.4710.0.0.7500.3716.417
31-40 years ago0.7500.21000.21000.0.0.21000.6581.832
41-50 years ago0.21000.3710.0.0.3710.21000.0.1.041
over 50 years ago1.4350.21000.0.0.9440.4710.21003.024
total50.869.6135.0192.4273.1241.83272.75
2-5 yearsless than 10 years ago117.7322.9812.9111.7315.6182.527163.43
11-20 years ago27.187.3164.4201.1413.2232.03045.06
21-30 years ago12.2123.3231.9300.3711.3381.24020.19
31-40 years ago2.0303.0241.0410.9450.7500.4718.015
41-50 years ago0.21000.6580.5580.3711.0410.4713.024
over 50 years ago1.3381.1410.7502.3281.8312.4279.514
total160.4338.2621.486.61613.7118.814249.12
6-10 yearsless than 10 years ago87.8427.4817.694.0219.4132.726148.93
11-20 years ago17.41010.0135.8174.0216.5161.43545.16
21-30 years ago9.0147.4153.6222.1292.5271.43526.18
31-40 years ago2.3283.4231.2381.0411.7321.23810.913
41-50 years ago1.1411.8320.3712.1290.7500.7506.716
over 50 years ago1.5352.0301.3382.6262.3284.02113.611
total119.0351.9529.8715.81023.2811.512251.32
11-20 yearsless than 10 years ago28.0816.71011.3124.61911.6123.42375.65
11-20 years ago4.6205.8176.9153.0247.2150.55828.08
21-30 years ago5.3184.5203.5222.6263.6221.43520.99
31-40 years ago1.1412.7261.9301.5332.6261.23811.013
41-50 years ago1.2381.0411.5352.3271.1411.8328.914
over 50 years ago1.2381.7321.6334.5192.1295.81717.010
total41.5632.4726.7718.6928.2714.111161.43
> 20 yearsless than 10 years ago12.11217.11010.51312.71113.6119.11475.05
11-20 years ago10.91312.7126.6165.61712.1127.71555.56
21-30 years ago12.7127.8155.9178.01513.31112.21259.95
31-40 years ago7.4157.2155.7177.7156.0178.31442.26
41-50 years ago4.6206.0173.7227.2153.1239.21433.87
over 50 years ago7.11621.4915.71030.1728.9770.24173.53
total54.9572.1448.0571.2477.04116.73440.02
totalless than 10 years ago280.3291.0456.5524.0841.3618.09511.01
11-20 years ago69.4537.1624.0814.01129.6711.912186.13
21-30 years ago43.7623.5815.31013.01121.4916.510133.43
31-40 years ago13.51116.4109.91311.11211.21211.71273.95
41-50 years ago7.3159.7136.01712.2116.21712.11253.56
over 50 years ago12.51226.4819.3940.3635.5682.73216.62
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 22.06.2020 #799215/265547
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago8.31528.2826.7813.4123.82380.54
11-20 years ago4.52111.5134.7202.2303.92226.78
21-30 years ago2.0315.3193.1253.1257.31620.79
31-40 years ago0.4711.0451.1411.0454.0227.516
41-50 years ago0.21000.0.0.0.1.0451.7332.826
over 50 years ago1.1410.8500.8500.21003.7236.617
total16.41046.8636.3620.8924.48144.81
Eastern Juraless than 10 years ago3.8229.91310.3134.7210.84929.55
11-20 years ago0.4712.6273.1250.8501.1458.115
21-30 years ago0.21000.4711.6351.2401.0444.520
31-40 years ago0.0.0.0.0.4710.21000.8491.537
41-50 years ago0.0.0.21000.4710.21000.9501.735
over 50 years ago0.0.0.0.0.0.0.0.0.4700.470
total4.42113.21115.997.2165.11945.72
Western Plateauless than 10 years ago3.92213.01110.6133.1252.82733.45
11-20 years ago0.8500.7582.2300.4712.1316.217
21-30 years ago0.6571.0440.6570.0.1.0453.124
31-40 years ago0.0.0.0.0.0.0.0.1.3401.340
41-50 years ago0.0.0.0.0.21000.0.1.3411.538
over 50 years ago0.0.0.21000.21000.5700.7581.537
total5.31914.81013.8104.0229.21447.02
Central Plateauless than 10 years ago4.82027.4714.2112.5271.83350.73
11-20 years ago1.2416.4172.5270.4700.85011.312
21-30 years ago0.6582.0310.8500.4700.9454.720
31-40 years ago0.0.0.0.0.21000.0.0.6580.850
41-50 years ago0.0.0.0.0.0.0.0.0.21000.2100
over 50 years ago0.0.0.21000.21000.21000.7501.338
total6.61736.0517.993.5235.01969.01
Eastern Plateauless than 10 years ago13.21135.7626.484.8202.03182.13
11-20 years ago2.4275.3193.9221.0451.63514.211
21-30 years ago0.6581.8331.4380.4711.6355.818
31-40 years ago0.21000.7500.0.0.0.1.0452.031
41-50 years ago0.0.0.0.0.3710.0.0.6580.945
over 50 years ago0.0.0.0.0.0.0.0.0.6580.658
total16.41043.6532.076.2177.416105.61
Western Pre-Alpsless than 10 years ago1.9344.7215.5183.6243.82319.48
11-20 years ago0.0.1.9301.5381.9321.0456.317
21-30 years ago0.21000.8492.4300.4710.8504.620
31-40 years ago0.0.1.3381.1401.0450.5583.821
41-50 years ago0.21000.0.0.4700.4711.0401.929
over 50 years ago0.0.0.21000.5710.7502.9274.322
total2.3308.81411.3127.91510.01340.33
Central Pre-Alpsless than 10 years ago3.82316.11016.61010.1147.01653.54
11-20 years ago0.21002.6296.1182.0324.72015.711
21-30 years ago0.4712.1314.0231.0452.82610.314
31-40 years ago0.21000.9500.7571.5382.3295.519
41-50 years ago0.21000.0.0.21000.0.1.7352.132
over 50 years ago0.0.0.7580.0.0.6586.7168.015
total4.82022.3927.7715.21125.2895.12
Eastern Pre-Alpsless than 10 years ago2.1318.11513.0128.8142.82734.86
11-20 years ago0.21002.5295.0193.4241.63512.612
21-30 years ago0.4711.2412.6282.3291.8338.315
31-40 years ago0.21000.4700.4711.0452.2304.021
41-50 years ago0.0.0.21000.4710.9500.8502.230
over 50 years ago0.0.0.0.0.5700.4714.9205.818
total2.92612.31221.8816.71014.01167.73
Northwestern Alpsless than 10 years ago1.8332.4283.8233.1254.02215.210
11-20 years ago1.2411.9331.7331.4375.11911.312
21-30 years ago0.0.0.6580.8492.4282.5286.317
31-40 years ago0.0.0.7501.5380.4703.2255.818
41-50 years ago0.0.0.5580.6570.6582.1313.922
over 50 years ago0.21000.21001.0440.21007.0168.614
total3.3256.3179.5148.11524.0851.13
Central Alpsless than 10 years ago0.4711.1401.8331.9303.1248.313
11-20 years ago0.0.0.8490.8491.2401.4374.120
21-30 years ago0.0.0.0.0.4710.4710.21001.044
31-40 years ago0.0.0.6580.0.0.6581.1402.328
41-50 years ago0.0.0.21000.0.0.21000.9441.337
over 50 years ago0.0.0.21000.4710.6582.7263.921
total0.4712.9243.4234.9189.41220.95
Northeastern Alpsless than 10 years ago0.7501.9322.2291.2413.9229.913
11-20 years ago0.0.0.5580.4731.2372.7264.919
21-30 years ago0.0.0.5580.4730.6592.5274.121
31-40 years ago0.0.0.0.0.6590.5571.0452.130
41-50 years ago0.0.0.21000.0.0.21001.7352.031
over 50 years ago0.0.0.0.0.21000.0.3.4233.522
total0.7503.2243.8223.72215.2926.65
Southwestern Alpsless than 10 years ago1.0451.3383.8233.62312.31221.99
11-20 years ago0.4710.8504.3212.6284.62012.712
21-30 years ago0.0.0.21001.9311.9324.5218.615
31-40 years ago0.0.0.8500.7500.9454.9207.416
41-50 years ago0.21000.4712.1302.5276.31711.512
over 50 years ago0.9442.3292.7264.92026.1836.96
total2.5275.81815.51016.41058.8499.02
Southeastern Alpsless than 10 years ago1.2414.5218.91511.21311.81337.56
11-20 years ago0.4713.2255.4197.8169.61426.48
21-30 years ago0.6580.4711.8332.6289.91415.211
31-40 years ago0.21000.6581.9312.7263.7239.114
41-50 years ago0.21001.2410.8501.0452.3295.419
over 50 years ago0.4711.4372.4292.13021.3927.68
total3.02611.21321.3927.3858.55121.32
Southern Alpsless than 10 years ago0.21002.0322.4293.4246.81714.811
11-20 years ago0.4712.0311.6350.4715.0209.414
21-30 years ago0.4711.0441.0451.0457.01710.413
31-40 years ago0.4710.4711.0451.0455.8188.615
41-50 years ago0.0.0.4710.4711.8337.61610.214
over 50 years ago0.21002.3303.7236.21857.3569.74
total1.6358.11510.11413.71189.63123.12
Switzerlandless than 10 years ago47.26156.43146.2375.2566.65491.61
11-20 years ago12.11342.7743.1726.6945.37169.83
21-30 years ago5.91817.31122.8917.81043.97107.64
31-40 years ago1.6357.3169.61410.71332.4861.75
41-50 years ago0.9453.2245.9188.71529.0847.86
over 50 years ago2.9268.31512.61316.411138.63178.83
total70.65235.32240.23155.43355.821057.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #799216/265548
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago34.875.2203.9220.8500.4710.85045.96
11-20 years ago13.5123.4252.4290.6571.2410.47121.510
21-30 years ago3.0261.7351.2410.21001.2410.8508.116
31-40 years ago1.2411.0450.21000.4710.4710.21003.424
41-50 years ago1.2410.6580.4710.4710.4710.4713.424
over 50 years ago1.6351.0450.6581.4380.4710.8505.719
total55.3612.8128.6153.8234.1223.42488.05
2-5 yearsn/a0.21000.0.0.0.0.0.0.0.0.0.0.2100
less than 10 years ago114.3416.61111.5132.2303.1252.628150.23
11-20 years ago27.9810.0147.8150.6585.2190.85052.36
21-30 years ago7.9163.0264.1221.2412.6281.63520.410
31-40 years ago4.4212.1311.9320.4711.8330.65811.113
41-50 years ago1.8331.6351.0451.0451.0451.6357.916
over 50 years ago0.4711.2411.3383.2251.8332.92610.913
total156.9334.4727.788.51515.41110.114253.02
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago86.8425.5815.5112.8266.4173.225140.33
11-20 years ago19.11013.7127.8152.8274.5211.24149.16
21-30 years ago8.1156.5172.3291.6353.0261.04522.59
31-40 years ago3.8233.5241.5351.9310.9451.43813.012
41-50 years ago1.7332.3301.2411.1410.4711.6358.415
over 50 years ago1.7332.6281.2414.4202.0326.31718.210
total121.2354.1529.6714.61117.31014.811251.62
11-20 yearsn/a0.21000.0.0.0.0.0.0.0.0.0.0.2100
less than 10 years ago29.8822.599.5144.7205.3192.62874.45
11-20 years ago7.7168.8155.6185.2192.9261.43831.78
21-30 years ago4.8205.6192.8271.7332.5281.63518.910
31-40 years ago1.6352.0321.8330.8501.4381.4388.915
41-50 years ago1.2412.8271.4381.2411.0451.0458.515
over 50 years ago1.6353.2253.0266.3172.8277.41624.39
total46.9644.8624.1819.9915.81115.411167.03
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.11415.0117.21615.01117.4108.51573.15
11-20 years ago7.7166.3185.0205.31915.0116.01845.46
21-30 years ago5.4195.2194.0225.11912.2126.91738.97
31-40 years ago5.7184.9204.4216.11811.7139.51442.37
41-50 years ago3.3244.9203.0256.4176.6178.71533.08
over 50 years ago10.21418.91014.01229.2727.3866.64166.23
total42.4755.3537.6667.1490.33106.23398.92
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago275.8284.7447.6525.5832.6717.710484.02
11-20 years ago75.9542.2628.7814.51128.889.914200.03
21-30 years ago29.2822.0914.4119.71421.5911.913108.84
31-40 years ago16.81113.4129.8149.61416.21113.11278.85
41-50 years ago9.21412.1127.01610.1149.41413.41261.26
over 50 years ago15.51127.0820.1944.5634.2784.04225.33
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #799217/265549
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago35.075.2204.1220.8500.6580.85046.56
11-20 years ago13.9123.6242.4290.6571.2410.47122.19
21-30 years ago3.2251.9331.4380.21001.2410.8508.715
31-40 years ago1.2411.0450.21000.4710.4710.21003.424
41-50 years ago1.2410.6580.4710.6580.4710.4713.624
over 50 years ago1.6351.0450.6581.4380.4710.8505.719
total56.1613.2128.9144.0224.3213.42490.04
2-5 yearsn/a0.21000.0.0.0.0.0.0.0.0.0.0.2100
less than 10 years ago114.8417.01111.7132.2303.1252.628151.43
11-20 years ago28.1810.2147.8150.6585.2190.85052.76
21-30 years ago7.9163.4244.1221.2412.6281.63520.810
31-40 years ago4.6212.1311.9320.4711.8330.85011.513
41-50 years ago1.8331.6351.0451.0451.0451.6357.916
over 50 years ago0.6581.4381.3383.2251.8333.12511.513
total158.0335.6727.988.51515.41110.513256.02
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago87.6426.5815.9103.1266.4173.424142.93
11-20 years ago19.41013.9128.0152.8274.5211.43850.16
21-30 years ago8.1156.5172.5281.6353.4241.04523.19
31-40 years ago3.8233.5241.5351.9310.9451.43813.012
41-50 years ago1.7332.3301.2411.1410.4711.6358.415
over 50 years ago1.9323.0261.2414.6202.2306.31719.210
total122.6355.7530.4715.01117.91015.211256.82
11-20 yearsn/a0.21000.0.0.0.0.0.0.0.0.0.0.2100
less than 10 years ago30.4822.599.8144.7205.5192.82775.65
11-20 years ago7.9169.0155.6185.4192.9261.43832.38
21-30 years ago5.0205.6193.0261.9312.5281.63519.510
31-40 years ago1.6352.0321.8330.8501.4381.4388.915
41-50 years ago1.2412.8271.6351.2411.0451.0458.715
over 50 years ago1.8333.4243.2256.3172.8277.61625.19
total48.1645.3624.9820.3916.01115.811170.33
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.51415.4118.01615.81118.7108.51576.95
11-20 years ago7.9166.9175.6195.31915.2116.41747.46
21-30 years ago5.4196.0184.6216.11814.5117.31643.97
31-40 years ago5.7185.3194.8207.31611.71310.51345.37
41-50 years ago3.3244.9203.4247.6167.1169.51435.87
over 50 years ago10.21420.41015.71131.2730.8771.14179.53
total43.0658.9542.2673.4498.03113.33428.92
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago278.3286.5449.4526.5834.4718.110493.31
11-20 years ago77.3543.6629.5714.71129.0810.513204.63
21-30 years ago29.6823.4915.61110.91324.2912.312116.04
31-40 years ago17.01113.81210.21310.81316.21114.31182.25
41-50 years ago9.21412.1127.61611.5139.81414.21164.45
over 50 years ago16.11129.2822.1946.7538.0788.93241.02
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 22.06.2020 #799218/265550
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago8.51528.4827.5813.6114.72182.73
11-20 years ago4.72011.7124.7202.6284.52128.28
21-30 years ago2.0315.9183.1253.1257.51621.59
31-40 years ago0.4711.0451.3381.0454.2217.915
41-50 years ago0.21000.0.0.0.1.0451.7332.826
over 50 years ago1.4380.8501.0450.4713.9227.416
total17.11047.8537.5621.6926.58150.51
Eastern Juraless than 10 years ago3.82210.11210.6134.9200.84930.25
11-20 years ago0.4712.6273.3240.8501.1458.315
21-30 years ago0.21000.4711.6351.2401.0444.520
31-40 years ago0.0.0.0.0.4710.21000.8491.537
41-50 years ago0.0.0.21000.4710.21000.9501.735
over 50 years ago0.0.0.0.0.0.0.0.0.4700.470
total4.42113.41116.397.4165.11946.62
Western Plateauless than 10 years ago4.12113.61110.6133.1252.82734.25
11-20 years ago0.8500.8502.2300.4712.3306.617
21-30 years ago0.6571.0440.8490.21001.0453.522
31-40 years ago0.0.0.0.0.0.0.0.1.5371.537
41-50 years ago0.0.0.0.0.21000.0.1.3411.538
over 50 years ago0.0.0.21000.21000.5700.9501.735
total5.51815.61014.0104.2229.81349.12
Central Plateauless than 10 years ago4.82027.4714.2112.5271.83350.73
11-20 years ago1.2416.4172.5270.4701.04511.412
21-30 years ago0.6582.0310.8500.4700.9454.720
31-40 years ago0.0.0.0.0.21000.0.0.6580.850
41-50 years ago0.0.0.0.0.0.0.0.0.21000.2100
over 50 years ago0.0.0.21000.21000.21000.7501.338
total6.61736.0517.993.5235.21969.11
Eastern Plateauless than 10 years ago13.61135.9627.374.8202.03183.63
11-20 years ago2.4275.5193.9221.0451.63514.411
21-30 years ago0.6582.0311.4380.4711.6356.118
31-40 years ago0.21000.7500.0.0.0.1.0452.031
41-50 years ago0.0.0.0.0.3710.0.0.6580.945
over 50 years ago0.0.0.0.0.0.0.0.0.6580.658
total16.81044.2532.966.2177.416107.61
Western Pre-Alpsless than 10 years ago1.9344.7215.5183.6244.32219.98
11-20 years ago0.21001.9301.9341.9321.7367.515
21-30 years ago0.21000.8492.4300.6581.1455.120
31-40 years ago0.0.1.3381.1401.0450.8504.020
41-50 years ago0.21000.0.0.4700.4711.2362.128
over 50 years ago0.0.0.21000.7580.7503.1264.720
total2.5298.81411.8118.11512.11143.33
Central Pre-Alpsless than 10 years ago3.82316.71017.01010.1147.41654.94
11-20 years ago0.21002.8276.1182.0324.72015.911
21-30 years ago0.4712.1314.0231.0453.02610.513
31-40 years ago0.21001.1450.9501.5382.5286.118
41-50 years ago0.21000.0.0.21000.0.1.9332.330
over 50 years ago0.0.0.9500.0.0.6588.3159.714
total4.82023.5828.2715.21127.7799.42
Eastern Pre-Alpsless than 10 years ago2.3308.31513.2119.0142.82735.76
11-20 years ago0.4712.9265.0193.7222.03214.011
21-30 years ago0.4711.2412.8262.3292.4299.114
31-40 years ago0.21000.4700.4711.0452.4294.321
41-50 years ago0.0.0.21000.4710.9501.0452.429
over 50 years ago0.0.0.21000.5700.5585.6186.817
total3.32513.21222.2817.5916.11072.32
Northwestern Alpsless than 10 years ago1.8332.8264.2213.1254.52116.410
11-20 years ago1.2412.1311.9311.8336.21813.211
21-30 years ago0.0.0.6581.0442.6272.7276.916
31-40 years ago0.0.0.7501.5380.4703.6236.217
41-50 years ago0.0.0.5580.9500.6582.7274.820
over 50 years ago0.21000.21001.0440.21009.91411.513
total3.3256.91610.5138.71429.5758.93
Central Alpsless than 10 years ago0.6571.7332.2292.1293.1249.812
11-20 years ago0.0.0.8490.8491.4371.6354.520
21-30 years ago0.0.0.0.0.4710.4710.6581.438
31-40 years ago0.0.0.6580.0.0.6581.7332.925
41-50 years ago0.0.0.21000.0.0.21001.3371.732
over 50 years ago0.0.0.21000.4710.6583.9225.119
total0.6573.5223.8215.31712.21025.44
Northeastern Alpsless than 10 years ago0.7501.9322.4281.2414.12210.312
11-20 years ago0.0.0.5580.4731.2373.3245.418
21-30 years ago0.0.0.5580.4730.6592.5274.121
31-40 years ago0.0.0.0.0.6590.5571.2412.329
41-50 years ago0.0.0.21000.0.0.21001.7352.031
over 50 years ago0.0.0.0.0.21000.0.5.4185.617
total0.7503.2244.0213.72218.1829.85
Southwestern Alpsless than 10 years ago1.0451.5354.3214.22213.31224.48
11-20 years ago0.4710.8504.3212.8275.61813.911
21-30 years ago0.0.0.4712.3292.3298.01513.112
31-40 years ago0.0.0.8500.7501.1416.8179.414
41-50 years ago0.21000.4712.3292.5277.31612.812
over 50 years ago0.9442.3292.7264.92029.5740.36
total2.5276.21716.71017.81070.74113.82
Southeastern Alpsless than 10 years ago1.2415.5199.51411.71313.61241.56
11-20 years ago0.4713.6235.6198.01512.41230.07
21-30 years ago0.6580.8502.4293.42413.31220.49
31-40 years ago0.21000.6581.9312.7265.31910.813
41-50 years ago0.21001.2410.8501.0452.9266.018
over 50 years ago0.4711.6352.6282.32927.1834.07
total3.02613.21222.8929.1774.64142.82
Southern Alpsless than 10 years ago0.21002.2302.6283.4248.21516.611
11-20 years ago0.4712.2301.6350.6588.11512.912
21-30 years ago0.4711.0441.2411.63511.91316.011
31-40 years ago0.6580.4711.0451.3388.11511.513
41-50 years ago0.0.0.4710.4711.8339.41412.012
over 50 years ago0.21002.4293.7236.41768.2481.04
total1.8338.71510.51315.011113.93150.02
Switzerlandless than 10 years ago48.46160.83151.2377.3573.25510.81
11-20 years ago12.71244.8744.1728.6856.26186.33
21-30 years ago5.91818.71024.5920.11057.66126.94
31-40 years ago1.8337.51610.01411.31340.5771.25
41-50 years ago0.9453.2246.4188.71534.0853.26
over 50 years ago3.2259.11513.21217.211167.53210.23
total72.85244.22249.32163.23429.021158.51
© WSL, Swiss National Forest Inventory, 22.06.2020 #799219/265551
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago8.71528.6827.7813.6114.72183.33
11-20 years ago4.72011.7124.8202.6285.02028.88
21-30 years ago2.0316.1183.3243.1257.71622.19
31-40 years ago0.4711.0451.3381.0454.2217.915
41-50 years ago0.21000.0.0.0.1.0451.7332.826
over 50 years ago1.4380.8501.0450.6583.9227.616
total17.31048.2538.1621.8927.18152.51
Eastern Juraless than 10 years ago3.82210.11210.6134.9200.84930.25
11-20 years ago0.4712.6273.3240.8501.1458.315
21-30 years ago0.21000.4711.6351.2401.0444.520
31-40 years ago0.0.0.0.0.4710.21000.8491.537
41-50 years ago0.0.0.21000.4710.21000.9501.735
over 50 years ago0.0.0.0.0.0.0.0.0.4700.470
total4.42113.41116.397.4165.11946.62
Western Plateauless than 10 years ago4.52013.61110.6133.1252.82734.65
11-20 years ago0.8500.8502.2300.4712.7277.016
21-30 years ago0.6571.0440.8490.21001.0453.522
31-40 years ago0.0.0.0.0.0.0.0.1.5371.537
41-50 years ago0.0.0.0.0.21000.0.1.3411.538
over 50 years ago0.0.0.21000.21000.5700.9501.735
total5.91815.61014.0104.22210.21349.92
Central Plateauless than 10 years ago5.01927.8714.2112.5271.93151.53
11-20 years ago1.2416.6162.5270.4701.04511.612
21-30 years ago0.6582.0310.8500.4700.9454.720
31-40 years ago0.0.0.0.0.4710.0.0.6581.045
41-50 years ago0.0.0.0.0.0.0.0.0.21000.2100
over 50 years ago0.0.0.21000.21000.21000.7501.338
total6.81636.6518.193.5235.41870.31
Eastern Plateauless than 10 years ago13.61135.9627.374.8202.23083.83
11-20 years ago2.4275.5193.9221.0451.73314.611
21-30 years ago0.6582.0311.4380.4711.6356.118
31-40 years ago0.21000.7500.0.0.0.1.0452.031
41-50 years ago0.0.0.0.0.3710.0.0.6580.945
over 50 years ago0.0.0.0.0.0.0.21000.6580.850
total16.81044.2532.966.4177.815108.11
Western Pre-Alpsless than 10 years ago1.9344.7215.5183.6244.32219.98
11-20 years ago0.21001.9301.9341.9321.9347.715
21-30 years ago0.21000.8492.4300.6581.1455.120
31-40 years ago0.0.1.4351.1401.0450.8504.220
41-50 years ago0.21000.0.0.4700.4711.2362.128
over 50 years ago0.0.0.21000.9500.7503.6245.419
total2.5299.01312.1118.11512.81144.43
Central Pre-Alpsless than 10 years ago3.82316.91017.51010.1147.61655.94
11-20 years ago0.21002.8276.1182.0324.72015.911
21-30 years ago0.4712.1314.0231.0453.02610.513
31-40 years ago0.21001.1450.9501.5382.5286.118
41-50 years ago0.21000.0.0.21000.21001.9332.529
over 50 years ago0.0.0.9500.0.0.6588.3159.714
total4.82023.7828.8715.41127.97100.62
Eastern Pre-Alpsless than 10 years ago2.3308.61513.4119.0143.02636.36
11-20 years ago0.4712.9265.0193.9222.03214.211
21-30 years ago0.4711.2412.8262.3292.6279.314
31-40 years ago0.21000.4700.4711.0452.4294.321
41-50 years ago0.0.0.21000.4710.9501.0452.429
over 50 years ago0.0.0.4700.5700.5585.7187.216
total3.32513.71122.4817.7916.71073.82
Northwestern Alpsless than 10 years ago1.8333.0254.2213.1254.92017.010
11-20 years ago1.2412.1311.9311.8336.41713.411
21-30 years ago0.0.0.6581.0442.6272.7276.916
31-40 years ago0.0.0.7501.5380.4703.8236.417
41-50 years ago0.0.0.5580.9500.6582.9264.920
over 50 years ago0.21000.21001.0440.210010.71312.312
total3.3257.11610.5138.71431.3660.93
Central Alpsless than 10 years ago0.6572.0312.2292.4273.32310.411
11-20 years ago0.0.0.8490.8491.4371.6354.520
21-30 years ago0.0.0.0.0.4710.4710.6581.438
31-40 years ago0.0.0.6580.0.0.6581.7332.925
41-50 years ago0.0.0.21000.0.0.21001.3371.732
over 50 years ago0.0.0.21000.4710.6583.9225.119
total0.6573.7223.8215.51712.41026.04
Northeastern Alpsless than 10 years ago0.7501.9322.4281.2414.32110.512
11-20 years ago0.0.0.7490.4731.2373.5235.817
21-30 years ago0.0.0.5580.4730.6592.5274.121
31-40 years ago0.0.0.0.0.6590.5571.2412.329
41-50 years ago0.0.0.21000.0.0.21001.7352.031
over 50 years ago0.0.0.0.0.21000.0.5.6175.817
total0.7503.4234.0213.72218.7830.64
Southwestern Alpsless than 10 years ago1.0451.5354.3214.22213.31224.48
11-20 years ago0.4710.8504.3212.8275.61813.911
21-30 years ago0.0.0.4712.3292.3298.01513.112
31-40 years ago0.0.0.8500.9451.1417.0179.814
41-50 years ago0.21000.4712.3292.5277.51613.012
over 50 years ago0.9442.3292.7264.92029.9740.76
total2.5276.21716.91017.81071.44114.82
Southeastern Alpsless than 10 years ago1.2415.5199.71411.91213.81242.16
11-20 years ago0.4713.6235.6198.01512.61230.27
21-30 years ago0.6581.0452.5283.42413.51221.09
31-40 years ago0.21000.6581.9312.7265.71811.213
41-50 years ago0.21001.2410.8501.0452.9266.018
over 50 years ago0.4711.8332.6282.32927.9835.07
total3.02613.61223.2929.3776.44145.62
Southern Alpsless than 10 years ago0.21002.2302.6283.4248.41516.710
11-20 years ago0.4712.2301.6350.6588.31513.112
21-30 years ago0.4711.0441.2411.63512.51216.610
31-40 years ago0.6580.4711.0451.3388.11511.513
41-50 years ago0.0.0.4710.4711.8339.61412.212
over 50 years ago0.21002.6274.1226.41770.2483.54
total1.8338.91510.91315.011117.03153.72
Switzerlandless than 10 years ago49.26162.23152.4377.7575.25516.61
11-20 years ago12.71245.2644.3728.8858.26189.13
21-30 years ago5.91819.21024.9920.11058.86128.84
31-40 years ago1.8337.71610.41411.31341.3772.55
41-50 years ago0.9453.2246.4188.91534.5754.06
over 50 years ago3.2259.81413.81217.610172.43216.73
total73.65247.32252.02164.43440.421177.71
© WSL, Swiss National Forest Inventory, 22.06.2020 #799220/265552
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago34.475.2203.9220.6580.4710.85045.36
11-20 years ago13.2123.1262.4290.6571.0450.47120.710
21-30 years ago2.8271.7351.0450.21001.0450.8507.516
31-40 years ago1.2411.0450.21000.4710.4710.0.3.225
41-50 years ago1.2410.6580.4710.4710.21000.4713.225
over 50 years ago1.6351.0450.4711.4380.4710.8505.519
total54.3612.6128.1153.6233.4243.22585.35
2-5 yearsn/a0.21000.0.0.0.0.0.0.0.0.0.0.2100
less than 10 years ago111.7416.01110.8132.0322.3302.429145.13
11-20 years ago26.789.3147.4160.6585.0200.85049.96
21-30 years ago7.9163.0264.1221.2412.6281.43820.210
31-40 years ago3.8231.9331.7330.4711.6350.6589.914
41-50 years ago1.8331.6351.0450.8501.0451.4387.516
over 50 years ago0.4711.2411.1413.2251.8332.82710.514
total152.4333.0726.288.11514.2119.314243.32
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago85.2425.3914.8112.6275.5193.225136.54
11-20 years ago18.71013.5127.2162.8274.1221.24147.56
21-30 years ago7.9165.9182.3291.4382.6270.85020.910
31-40 years ago3.8233.5241.3381.5350.9451.04512.113
41-50 years ago1.3382.3301.2410.9450.4711.6357.816
over 50 years ago1.5352.4291.2414.2211.6356.11817.011
total118.4452.8528.0713.41115.11114.011241.83
11-20 yearsn/a0.21000.0.0.0.0.0.0.0.0.0.0.2100
less than 10 years ago29.6821.998.7153.9224.7212.42971.25
11-20 years ago7.3168.1165.6185.2192.9261.43830.58
21-30 years ago4.3214.8202.8271.5352.1301.43816.911
31-40 years ago1.4381.8331.6350.8501.4381.4388.315
41-50 years ago1.2412.5281.2411.2411.0451.0458.116
over 50 years ago1.6353.0262.8276.3172.6287.21623.59
total45.6642.0622.7918.9914.61114.811158.73
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago9.71413.5126.41712.91216.1117.01765.55
11-20 years ago7.7165.3194.2224.92013.0125.12040.27
21-30 years ago5.2204.2222.6274.1229.6143.62329.28
31-40 years ago5.7184.5213.8233.4247.9155.02030.38
41-50 years ago3.3244.1222.8264.7205.4196.51727.08
over 50 years ago9.61414.31210.41325.0822.0954.55135.83
total41.2745.9630.2755.1574.0481.74328.12
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago270.5281.9444.6622.1928.9815.811463.72
11-20 years ago73.5539.4726.8814.11126.088.915188.73
21-30 years ago28.1819.61012.8128.31517.9108.01594.74
31-40 years ago15.91112.6128.6156.51712.2128.01563.85
41-50 years ago8.91511.1136.6178.0158.01511.01353.66
over 50 years ago14.71121.9915.91140.0628.4871.44192.33
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 22.06.2020 #799221/265553
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago8.21428.5727.0713.8114.71982.13
11-20 years ago4.22011.4125.3182.3284.81928.17
21-30 years ago2.5276.4163.9213.0247.71523.38
31-40 years ago0.3711.1411.2380.9454.0217.515
41-50 years ago0.21000.0.0.0.1.1411.6332.825
over 50 years ago1.4350.9451.1410.5584.6198.514
total16.81048.3538.4621.5827.37152.31
Eastern Juraless than 10 years ago3.62210.81110.2124.4200.74929.85
11-20 years ago0.4712.6263.5220.8501.0448.314
21-30 years ago0.21000.6581.5351.1401.1404.519
31-40 years ago0.0.0.0.0.4710.21000.8491.437
41-50 years ago0.0.0.21000.4710.21001.4372.230
over 50 years ago0.0.0.0.0.0.0.0.0.4700.470
total4.22014.11016.096.7165.41846.52
Western Plateauless than 10 years ago4.42013.61010.5122.8253.02534.24
11-20 years ago0.9441.0452.0300.4712.5276.716
21-30 years ago0.7501.0400.8440.21001.1413.820
31-40 years ago0.0.0.21000.0.0.0.1.4371.635
41-50 years ago0.0.0.0.0.3700.0.1.2411.535
over 50 years ago0.0.0.21000.21000.4701.0451.733
total6.01715.9913.8103.72210.11249.62
Central Plateauless than 10 years ago5.11827.7614.1102.4261.93051.23
11-20 years ago1.3376.2162.7250.3701.04111.511
21-30 years ago0.5582.0281.4350.5581.0415.517
31-40 years ago0.0.0.0.0.5580.0.0.5581.041
41-50 years ago0.0.0.0.0.0.0.0.0.21000.2100
over 50 years ago0.0.0.21000.21000.21000.7501.238
total6.91536.1518.983.4225.31770.71
Eastern Plateauless than 10 years ago13.31036.4626.374.8192.12982.92
11-20 years ago2.5255.6173.8210.9451.83114.610
21-30 years ago0.5582.0301.4350.5581.8316.316
31-40 years ago0.4710.7500.21000.0.0.9452.129
41-50 years ago0.0.0.0.0.3710.0.0.5580.945
over 50 years ago0.0.0.0.0.0.0.21000.5580.750
total16.7944.6532.166.4167.615107.51
Western Pre-Alpsless than 10 years ago1.9314.5205.6173.2234.42019.57
11-20 years ago0.21002.0282.1292.0292.0308.413
21-30 years ago0.21000.7492.2290.5581.1414.719
31-40 years ago0.0.1.3351.0401.0410.8454.119
41-50 years ago0.21000.0.0.7500.3711.3352.425
over 50 years ago0.0.0.21000.7500.9453.3235.118
total2.4288.71312.3108.01412.91044.33
Central Pre-Alpsless than 10 years ago3.62215.71017.7910.1138.31455.44
11-20 years ago0.21003.3245.5181.8325.01915.710
21-30 years ago0.3712.1304.2211.3383.22311.112
31-40 years ago0.21001.0450.8501.3382.6265.817
41-50 years ago0.21000.0.0.4700.21001.8322.627
over 50 years ago0.0.0.8500.0.0.7508.1149.613
total4.52022.8828.5715.41029.07100.22
Eastern Pre-Alpsless than 10 years ago2.4278.71413.0118.3143.22335.66
11-20 years ago0.4712.9254.5194.4191.83214.010
21-30 years ago0.4711.4352.9242.4272.8259.813
31-40 years ago0.21000.5570.6500.8452.4274.619
41-50 years ago0.0.0.21000.4711.2410.8452.627
over 50 years ago0.0.0.4700.6580.6505.7177.315
total3.32314.01022.0817.8916.7973.72
Northwestern Alpsless than 10 years ago1.6332.9244.0213.4224.61916.59
11-20 years ago1.0412.0302.2271.9305.71712.911
21-30 years ago0.0.0.5581.3382.6253.3237.714
31-40 years ago0.0.0.6501.6330.4703.8216.516
41-50 years ago0.0.0.5570.8500.5582.8254.619
over 50 years ago0.21000.21001.2370.210010.11311.912
total2.8256.71511.1129.01330.4660.03
Central Alpsless than 10 years ago0.9442.0292.4272.1283.22310.611
11-20 years ago0.0.0.8490.9431.2371.5354.419
21-30 years ago0.0.0.0.0.3710.4710.5581.338
31-40 years ago0.0.0.5580.0.0.6582.1283.223
41-50 years ago0.0.0.21000.0.0.21001.2371.632
over 50 years ago0.0.0.21000.4710.7504.1205.417
total0.9443.6214.1205.21712.61026.44
Northeastern Alpsless than 10 years ago0.8442.2272.5261.0414.12010.711
11-20 years ago0.0.0.7490.5591.1373.3225.616
21-30 years ago0.0.0.5580.4720.7512.6254.219
31-40 years ago0.0.0.0.0.5590.4571.1412.129
41-50 years ago0.0.0.21000.0.0.11001.7332.030
over 50 years ago0.0.0.11000.3700.21005.5176.115
total0.8443.7204.2193.62118.3830.74
Southwestern Alpsless than 10 years ago0.9451.7314.0214.61912.71124.08
11-20 years ago0.3711.1414.0213.0245.61714.011
21-30 years ago0.0.0.3712.1292.6268.01513.011
31-40 years ago0.0.0.9451.0411.5337.71511.112
41-50 years ago0.3710.3712.1292.3277.21512.211
over 50 years ago0.9442.3282.6264.51930.1740.36
total2.4276.61615.81018.6971.24114.72
Southeastern Alpsless than 10 years ago1.1415.6189.41311.61213.61141.36
11-20 years ago0.6583.2236.5167.21512.11229.67
21-30 years ago0.7501.3382.5273.62213.31121.49
31-40 years ago0.21000.7501.7322.6266.01711.212
41-50 years ago0.21001.0410.7501.1413.1236.217
over 50 years ago0.4711.8312.3282.12928.9735.56
total3.12413.71123.2828.2777.04145.12
Southern Alpsless than 10 years ago0.4712.5272.7263.4239.11418.09
11-20 years ago0.4712.0301.4350.5587.71511.912
21-30 years ago0.3711.2401.4351.43512.21216.510
31-40 years ago0.6580.4711.2381.2388.31411.712
41-50 years ago0.0.0.4710.7501.8329.21412.112
over 50 years ago0.21002.4274.0215.81770.2482.73
total1.8328.81411.51214.111116.73152.92
Switzerlandless than 10 years ago48.26162.73149.5376.0575.55511.91
11-20 years ago12.31244.8645.0627.9855.66185.63
21-30 years ago6.31719.9926.3820.8959.85133.13
31-40 years ago1.8327.91510.91311.01342.5674.05
41-50 years ago1.0412.9246.8168.91434.1753.76
over 50 years ago3.0249.51413.51117.010173.23216.22
total72.65247.62252.02161.63440.721174.60
© WSL, Swiss National Forest Inventory, 22.06.2020 #799222/265554
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.61326.8829.1712.8124.52183.83
11-20 years ago5.0198.4157.8163.7233.52328.58
21-30 years ago1.8332.9263.1252.5283.12513.511
31-40 years ago0.6582.6281.8330.8503.7239.514
41-50 years ago0.8500.9451.3380.4712.5286.018
over 50 years ago1.1410.0.0.6581.2416.4179.314
total20.0941.6643.6621.4923.88150.51
Eastern Juran/a0.0.0.0.0.0.0.21000.0.0.2100
less than 10 years ago3.52411.0127.3163.7230.65826.16
11-20 years ago1.6356.4173.2250.6580.75712.511
21-30 years ago0.4701.6350.4710.4710.21003.125
31-40 years ago0.0.0.4700.4710.21000.6581.735
41-50 years ago0.21000.0.0.0.0.4700.21000.850
over 50 years ago0.21000.21000.21000.31001.3402.231
total6.01819.6811.5125.8183.62346.62
Western Plateaun/a0.0.0.21000.0.0.0.0.0.0.2100
less than 10 years ago6.01713.2117.9152.9261.34031.45
11-20 years ago1.3412.5282.2311.2400.8508.015
21-30 years ago0.0.0.6582.0320.6580.8504.122
31-40 years ago0.21000.4710.4710.6570.6582.229
41-50 years ago0.0.0.4710.5700.4710.21001.537
over 50 years ago0.0.0.0.0.6580.0.1.1441.735
total7.51517.4913.5115.8184.92049.12
Central Plateaun/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.01725.2717.393.0251.53553.03
11-20 years ago2.1305.6182.4270.4711.04411.512
21-30 years ago0.0.1.4370.21000.21000.4712.130
31-40 years ago0.4710.6580.0.0.0.0.4711.437
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.21000.21000.21000.21000.4701.241
total8.71432.9620.183.8223.62269.11
Eastern Plateaun/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.41537.4625.087.4162.13080.23
11-20 years ago3.4235.6183.7231.8331.83316.310
21-30 years ago0.8501.4372.5281.0450.8506.617
31-40 years ago0.0.0.4711.2410.0.0.4712.031
41-50 years ago0.21000.4710.0.0.0.0.4711.045
over 50 years ago0.0.0.0.0.21000.0.1.2411.338
total12.91245.3532.6710.2136.617107.61
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.0343.4253.9225.4182.82817.59
11-20 years ago1.1452.1303.6230.6591.6389.014
21-30 years ago0.21001.1402.2300.8501.0465.219
31-40 years ago0.21000.6571.4380.6600.7503.523
41-50 years ago0.21000.6570.6571.1410.6583.024
over 50 years ago0.6580.0.0.8510.0.3.7235.120
total4.2227.71512.6118.51410.31343.33
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.42910.31417.61012.7125.41848.55
11-20 years ago1.8356.4187.3166.2172.42924.08
21-30 years ago0.8501.3412.3301.2411.7337.316
31-40 years ago0.6581.4401.5380.4711.8335.719
41-50 years ago0.0.0.5570.5700.8502.3294.222
over 50 years ago0.21000.0.0.7571.6357.2169.714
total5.81920.0929.9722.9820.8999.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.4297.11712.6126.2184.02332.36
11-20 years ago1.2416.0184.5203.1252.23017.010
21-30 years ago0.4712.4291.0451.4381.2416.417
31-40 years ago0.0.0.5581.4381.1402.4295.418
41-50 years ago0.21000.21000.4711.2412.0314.022
over 50 years ago0.21000.4710.4711.0455.2197.216
total4.52116.61020.2914.11117.01072.32
Northwestern Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.8503.3243.6234.1217.01619.09
11-20 years ago0.6581.4372.8261.8332.4299.114
21-30 years ago0.7570.6581.9313.6232.5299.314
31-40 years ago0.21000.21000.6581.0442.3304.321
41-50 years ago0.4710.4701.1410.8502.1314.920
over 50 years ago0.21001.1411.3401.6358.11512.312
total2.9267.21611.31213.11124.4858.93
Central Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4712.0311.9311.7331.0457.015
11-20 years ago0.6581.0441.6351.5340.6575.217
21-30 years ago0.21000.21001.0451.2401.4374.021
31-40 years ago0.0.0.6580.0.0.4711.0441.931
41-50 years ago0.21000.21000.4710.21000.6561.535
over 50 years ago0.21000.4690.0.0.6584.5205.617
total1.6354.3194.9185.6179.01325.44
Northeastern Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.1412.4271.5381.6352.4298.913
11-20 years ago0.5581.0451.6331.0452.1306.216
21-30 years ago0.6591.7350.3710.21001.2374.121
31-40 years ago0.21000.7510.21000.21000.9452.228
41-50 years ago0.0.0.6590.4700.0.0.5701.537
over 50 years ago0.21000.5580.8511.4384.0216.916
total2.6267.0154.7194.32111.31229.85
Southwestern Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.8502.2302.8264.72015.01125.58
11-20 years ago0.6570.6582.8275.2195.31914.511
21-30 years ago0.21001.2411.6351.7335.1199.714
31-40 years ago0.4710.4711.9310.8506.1189.614
41-50 years ago0.4711.0451.1411.2416.41710.114
over 50 years ago1.4383.2254.4206.31729.2744.56
total3.8238.51514.61119.9967.14113.82
Southeastern Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.4713.1256.4175.31917.41032.67
11-20 years ago1.2415.2194.5212.92615.01128.88
21-30 years ago1.2412.6283.0262.52812.21221.59
31-40 years ago0.4711.8330.9451.43811.71316.211
41-50 years ago0.4711.0450.4711.0456.6179.414
over 50 years ago0.4711.8332.0322.82727.3834.27
total4.12215.41117.31015.81190.33142.82
Southern Alpsn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.8502.6283.2252.6288.51517.710
11-20 years ago0.4710.8501.2411.4386.0189.914
21-30 years ago0.8501.6351.0451.6356.91711.913
31-40 years ago0.21000.6581.4381.4389.51413.112
41-50 years ago0.4711.6351.6351.0458.71513.412
over 50 years ago0.8502.9266.3177.41666.6484.04
total3.42410.11414.81115.411106.23150.02
Switzerlandn/a0.0.0.21000.0.0.21000.0.0.471
less than 10 years ago45.76150.03140.1374.3573.55483.61
11-20 years ago21.51052.9649.1631.5845.46200.53
21-30 years ago8.21620.71022.5918.91038.87109.14
31-40 years ago3.42411.21313.1128.81542.1778.65
41-50 years ago3.4247.9168.3158.51533.1861.26
over 50 years ago5.61910.81318.41024.39166.23225.23
total87.85253.62251.62166.53399.121158.51
© WSL, Swiss National Forest Inventory, 22.06.2020 #799223/265555
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