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Inventory

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2018/26

Topic

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Forest area in which specific measures for the conservation or promotion of biodiversity have been implemented since the last inventory. Only measures that have been explicitly subsidised as 'biodiversity' measures are taken into account. Since several biodiversity measures may be implemented in a forest area at the same time, this area may contribute to the total area of several different biodiversity measures.
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Classification

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Altitudinal vegetation belts in the system used in the guidelines for monitoring the sustainability and performance of protection forests (NaiS; Frehner et al. 2005), reduced to six classes. The variable represents a simplification of the NaiS altitudinal vegetation belts with ten classes (NAISHSTKOMB) in which the classes «hyperinsubric» and «colline» are merged with «colline with beech» to form the class «hyperinsubric and colline» and the class «lower montane» with «upper montane» and «lower/upper montane» to form the class «lower and upper montane». The information is based on the altitudinal vegetation belts determined by experts (accessible forest sample plots of NFI4 on the 1.4-km network; Arge Frehner et al. 2020), as well as on the altitudinal vegetation belts modelled for the period 1981-2010 (other sample plots; Zischg et al. 2021).
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Type of subsidised measure implemented since the last Inventory as part of the biodiversity promotion programme. Reference: Forest Service Survey (MID 2016: Biodiversitätsmassnahmen)
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Areas in higher and lower altitude zones classified according to the system used for altitudinal vegetation belts in the guidelines for monitoring the sustainability and performance of protection forests (NaiS; Frehner et al. 2005). The boundary between the higher and lower altitudes runs between the «upper montane» and «lower montane» levels on the Northern Alps and between the «high montane» and «upper/lower montane» levels to the Southern Alps. The information is based on the altitudinal vegetation belts determined by experts (accessible forest sample plots of NFI4 on the 1.4-km network; Arge Frehner et al. 2020), as well as on the altitudinal vegetation belts modelled for the period 1981-2010 (other sample plots; Zischg et al. 2021).

region

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Division of Switzerland into 14 regions (2 in the Jura, 3 on the Plateau, 3 in the Pre-Alps, 5 in the Alps and 1 in the Southern Alps). The economic regions are a subdivision of the production regions according to economic-geographical criteria.
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evaluation area

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Area that meets the forest definition of the NFI, i.e. is «forest without shrub forest» or «shrub forest», and can be reached on foot.
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Area accessible on foot that meets the NFI's definition of forest in both NFI4 (2009-2017) and NFI5 (2018-2026), i.e. was either «forest without shrub forest» or «shrub forest».
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
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Forest that was less than two-thirds covered with shrubs in the five inventories NFI1 (1983-1985), NFI2 (1993-1995), NFI3 (2004-2006), NFI4 (2009-2017) and NFI5 (2018-2026) and was accessible on foot.
(6)
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Forest that was less than two-thirds covered with shrubs in both NFI4 (2009-2017) and NFI5 (2018-2026) and is accessible on foot.
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grid

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Sub-grids 1, 2, 3, 4 and 5 of the field surveys on the sampling grid with a mesh size of 1.4 km (base grid).
search result: 42 entries on 3 pages
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
accessible forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
accessible forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
biodiversity measures
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
accessible forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
accessible forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
altitudinal vegetation belts (NaiS; 6 classes)·biodiversity measures
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
higher/lower altitude zone·biodiversity measures
accessible forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
higher/lower altitude zone·biodiversity measures
accessible forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
higher/lower altitude zone·biodiversity measures
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
forest area with biodiversity measures / forest area
higher/lower altitude zone·biodiversity measures
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
search result: 42 entries on 3 pages

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 NFI. Result tables and maps of the NFI surveys 1983–2022 (NFI1, NFI2, NFI3, NFI4, NFI5.1–5) on the internet. [Published online 30.05.2023] Available from the World Wide Web <http://www.lfi.ch/resultate/> . Birmensdorf, Swiss Federal Research Institute WSL