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NFI5
forest area
protection forest against hillslope debris flows/landslides (2022) · type of next treatment
regional demarcation: protection forest region
unit: %, column total
evaluation area: accessible forest without shrub forest NFI1-NFI5
grid: 1.4 km grid, subgrids 1-5
state 2018/26
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
protection forest against hillslope debris flows/landslides (2022)type of next treatment%±%±%±%±%±%±%±
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
possible intervention in >20 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending0.0.0.0.0.0.0.0.0.0.0.0.0.0.
thinning0.0.0.0.0.0.0.0.0.0.0.0.0.0.
secondary felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
final felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
selection felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
thinning of mountain forest0.0.0.0.0.0.0.0.0.0.0.0.0.0.
coppice cut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
conversion0.0.0.0.0.0.0.0.0.0.0.0.0.0.
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
thinning of continuous cover forest0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending of forest edge0.0.0.0.0.0.0.0.0.0.0.0.0.0.
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.0.0.0.0.0.0.0.0.0.0.0.0.0.
single tree harvesting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tree removal to maintain infrastructre safety0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
insiden/a1.10.33.00.83.00.910.81.93.51.07.51.43.50.3
possible intervention in >20 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending0.40.21.00.41.80.80.0.0.90.50.90.50.80.2
thinning0.80.30.30.22.70.91.50.70.60.40.30.30.90.2
secondary felling0.20.10.80.41.20.60.40.40.90.51.30.60.60.1
final felling0.10.10.0.0.0.0.0.0.0.0.30.30.10.1
selection felling0.80.30.30.20.0.0.0.0.0.0.0.0.40.1
thinning of mountain forest0.80.32.40.72.30.814.92.25.71.36.41.33.70.3
coppice cut0.0.0.0.0.0.0.40.40.0.1.60.70.20.1
conversion0.0.0.0.0.0.0.0.0.0.0.0.0.0.
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.10.10.20.20.30.30.40.40.0.0.0.0.10.1
thinning of continuous cover forest0.20.10.70.42.60.90.0.0.0.0.0.0.50.1
tending of forest edge0.0.0.0.0.60.40.0.0.30.30.0.0.10.1
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.0.0.0.0.30.30.40.40.0.0.90.50.20.1
single tree harvesting0.0.0.0.0.0.0.0.0.0.0.30.30.00.0
tree removal to maintain infrastructre safety0.30.20.20.20.30.30.0.0.60.40.30.30.30.1
total4.80.69.11.315.12.028.72.812.51.819.82.211.50.6
outsiden/a14.41.027.31.925.72.438.03.044.12.754.52.728.10.8
possible intervention in >20 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending12.70.98.81.39.61.61.10.65.51.20.0.8.30.5
thinning27.61.310.41.411.41.81.90.83.51.01.20.614.60.6
secondary felling5.60.75.11.06.81.42.10.91.70.70.90.54.40.4
final felling3.10.51.10.41.20.60.40.40.90.50.0.1.70.2
selection felling6.20.76.21.11.40.60.40.40.0.0.0.3.70.3
thinning of mountain forest1.20.320.61.713.51.923.82.627.42.416.22.012.80.6
coppice cut0.20.10.20.20.0.0.0.0.0.1.80.70.30.1
conversion0.20.10.60.30.30.30.0.0.0.0.0.0.20.1
transformation0.20.10.20.20.0.0.0.0.60.40.0.0.20.1
sanitary felling6.20.71.70.62.00.80.40.40.60.41.50.73.20.3
thinning of continuous cover forest12.20.93.80.89.51.60.0.1.50.70.0.6.70.4
tending of forest edge1.30.32.00.61.40.71.10.60.60.40.0.1.20.2
planting0.60.20.40.30.0.0.0.0.0.0.0.0.30.1
agrosilvicultural treatments1.90.41.40.51.30.61.90.80.30.30.90.51.40.2
single tree harvesting0.80.30.40.30.30.30.0.0.0.0.60.40.50.1
tree removal to maintain infrastructre safety1.00.30.60.40.60.40.40.40.90.52.60.91.00.2
total95.20.690.91.384.92.071.32.887.51.880.22.288.50.6
totaln/a15.51.030.42.028.62.548.83.047.62.762.02.731.60.8
possible intervention in >20 years0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending13.10.99.81.311.41.81.10.66.41.30.90.59.10.5
thinning28.51.310.71.414.11.93.31.14.11.11.50.715.60.6
secondary felling5.80.75.91.08.01.52.50.92.60.82.20.85.00.4
final felling3.20.51.10.41.20.60.40.40.90.50.30.31.80.2
selection felling7.00.76.61.11.40.60.40.40.0.0.0.4.10.4
thinning of mountain forest2.00.423.01.815.82.038.62.933.12.622.62.316.50.6
coppice cut0.20.10.20.20.0.0.40.40.0.3.41.00.50.1
conversion0.20.10.60.30.30.30.0.0.0.0.0.0.20.1
transformation0.20.10.20.20.0.0.0.0.60.40.0.0.20.1
sanitary felling6.30.71.90.62.30.80.70.50.60.41.50.73.40.3
thinning of continuous cover forest12.30.94.60.912.11.80.0.1.50.70.0.7.20.5
tending of forest edge1.30.32.00.62.00.81.10.60.90.50.0.1.30.2
planting0.60.20.40.30.0.0.0.0.0.0.0.0.30.1
agrosilvicultural treatments1.90.41.40.51.60.72.20.90.30.31.80.71.60.2
single tree harvesting0.80.30.40.30.30.30.0.0.0.0.90.50.50.1
tree removal to maintain infrastructre safety1.40.30.90.40.90.50.40.41.50.62.90.91.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 05.03.2024 #1271176/452926

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. 1271176. Birmensdorf, Swiss Federal Research Institute WSL

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