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NFI4
forest area
number of tree species in the upper layer · forest formations (NaiS; 10 classes)
regional demarcation: biogeographical region
unit: %, subtotal
evaluation area: accessible forest without shrub forest NFI4/NFI5
grid: 1.4 km grid, subgrids 1-5
state 2009/17
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
number of tree species in the upper layerforest formations (NaiS; 10 classes)%±%±%±%±%±%±%±
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests34.6.66.719.40.0.0.0.0.0.0.0.10.14.2
silver fir-beech forests30.8.0.0.18.78.60.0.9.5.0.0.10.54.1
other boradleaved forests34.6.16.7.11.27.50.0.0.0.0.0.8.13.9
silver fir-spruce forests0.0.0.0.37.611.30.0.17.811.456.818.824.55.9
spruce forests0.0.0.0.26.310.271.417.172.713.428.317.037.06.5
Arolla pine and larch forests0.0.0.0.0.0.14.4.0.0.0.0.1.8.
pine forests0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pioneer forests0.0.0.0.0.0.0.0.0.0.0.0.0.0.
shrub forests*0.0.16.7.6.2.14.1.0.0.14.9.8.03.8
non-forest*0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
1n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests30.96.678.95.94.41.40.0.0.8.18.83.914.41.5
silver fir-beech forests41.37.26.33.512.42.20.0.2.21.31.0.9.21.2
other boradleaved forests2.3.8.13.92.81.16.24.22.31.310.93.14.80.9
silver fir-spruce forests10.64.50.0.27.93.19.15.019.03.420.24.019.51.7
spruce forests2.0.0.0.40.03.448.18.753.34.421.34.033.51.9
Arolla pine and larch forests0.0.0.0.0.0.15.36.310.82.715.73.46.31.0
pine forests2.0.0.0.3.11.36.04.14.61.80.0.2.70.7
pioneer forests0.0.0.0.0.5.9.15.02.31.37.42.52.60.7
shrub forests*0.0.0.0.0.5.3.1.1.61.12.91.71.30.5
non-forest*11.04.76.73.78.42.03.1.3.11.51.91.35.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
2n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests51.25.471.94.312.52.40.0.2.61.313.92.821.11.4
silver fir-beech forests36.35.312.33.128.23.20.9.3.91.63.41.513.61.2
other boradleaved forests3.52.09.12.88.12.05.12.01.41.018.23.18.00.9
silver fir-spruce forests7.73.05.82.327.83.27.32.417.63.113.12.715.01.3
spruce forests0.0.0.0.12.62.457.34.544.14.033.63.826.11.5
Arolla pine and larch forests0.0.0.0.0.0.12.73.118.53.25.11.86.30.8
pine forests0.0.0.0.2.51.15.02.04.71.70.6.2.30.5
pioneer forests0.0.0.0.0.5.2.51.42.61.35.91.92.10.5
shrub forests*0.0.0.0.3.11.21.71.21.40.92.51.21.70.4
non-forest*1.3.0.9.4.61.67.62.43.31.53.81.53.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
3n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests59.53.974.73.027.13.01.3.5.12.29.43.438.31.6
silver fir-beech forests35.63.89.22.036.73.32.51.815.33.712.13.721.51.4
other boradleaved forests3.51.512.22.310.22.15.32.62.11.535.05.410.41.1
silver fir-spruce forests0.7.1.40.814.32.419.74.615.83.77.93.18.61.0
spruce forests0.0.0.0.4.51.538.45.634.64.95.32.69.41.0
Arolla pine and larch forests0.0.0.0.0.0.13.13.912.43.31.4.2.90.6
pine forests0.0.0.0.1.00.710.43.54.12.03.82.22.10.5
pioneer forests0.0.0.0.1.50.96.52.86.32.513.73.93.10.6
shrub forests*0.0.0.0.1.00.71.3.4.22.03.62.01.20.4
non-forest*0.6.2.51.13.71.31.4.0.0.7.93.12.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
4n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests53.14.282.33.033.23.87.04.818.27.38.33.646.72.0
silver fir-beech forests36.84.02.71.336.23.80.0.18.67.56.23.021.01.7
other boradleaved forests7.22.212.42.612.22.617.77.17.45.062.96.016.81.5
silver fir-spruce forests0.7.0.6.5.51.920.77.511.06.03.12.23.80.8
spruce forests0.0.0.0.2.61.330.68.518.87.60.0.3.20.7
Arolla pine and larch forests0.0.0.0.0.0.0.0.3.8.0.0.0.2.
pine forests0.8.0.0.0.7.6.84.67.45.00.0.1.10.4
pioneer forests0.0.0.0.0.6.3.4.3.7.14.94.32.20.6
shrub forests*0.0.0.0.1.30.910.55.77.55.11.6.1.40.5
non-forest*1.51.12.01.17.72.23.4.3.6.3.02.13.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
5n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests75.75.479.03.743.75.522.911.637.417.119.87.259.82.7
silver fir-beech forests16.44.73.31.622.54.70.0.24.115.03.2.11.31.8
other boradleaved forests6.43.114.43.215.04.030.912.912.9.39.98.816.12.1
silver fir-spruce forests0.0.0.0.4.92.40.0.0.0.6.64.61.90.8
spruce forests0.0.0.0.2.81.90.0.12.7.0.0.1.00.6
Arolla pine and larch forests0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pine forests0.0.0.8.0.0.0.0.0.0.0.0.0.3.
pioneer forests0.0.0.0.1.3.30.912.912.9.18.56.83.81.1
shrub forests*0.0.0.0.4.82.37.6.0.0.0.0.1.60.7
non-forest*1.6.2.51.45.12.57.7.0.0.12.05.64.11.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
6 or moren/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests87.44.888.33.543.57.015.410.061.221.68.4.67.73.2
silver fir-beech forests4.43.01.3.26.26.20.0.0.0.0.0.7.61.8
other boradleaved forests2.1.9.33.216.25.353.913.80.0.54.713.914.62.4
silver fir-spruce forests0.0.0.0.0.0.8.1.19.4.21.711.22.31.0
spruce forests0.0.0.0.1.9.0.0.0.0.0.0.0.5.
Arolla pine and larch forests0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pine forests0.0.0.0.1.9.7.6.0.0.0.0.0.90.6
pioneer forests0.0.0.0.0.0.7.6.19.4.7.6.1.40.8
shrub forests*0.0.0.0.2.0.0.0.0.0.0.0.0.5.
non-forest*6.13.41.1.8.34.07.6.0.0.7.6.4.61.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech forests58.21.978.41.521.81.32.81.04.81.013.51.635.00.6
silver fir-beech forests31.41.86.10.927.11.41.00.67.31.34.61.015.40.6
other boradleaved forests4.70.911.61.29.21.09.81.72.30.728.12.010.70.5
silver fir-spruce forests2.50.71.40.417.61.211.61.916.91.812.91.610.40.5
spruce forests0.2.0.0.14.01.143.82.942.82.417.61.815.60.6
Arolla pine and larch forests0.0.0.0.0.0.10.71.812.91.65.61.03.30.3
pine forests0.40.30.1.1.70.46.51.44.41.00.90.41.80.2
pioneer forests0.0.0.0.0.80.35.81.43.70.99.71.42.50.3
shrub forests*0.0.0.2.1.90.53.11.02.40.72.60.71.50.2
non-forest*2.50.72.20.55.90.84.91.32.30.74.51.03.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.05.2024 #1292250/474000

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1292250. Birmensdorf, Swiss Federal Research Institute WSL

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