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NFI4
forest area
protection forest against hillslope debris flows/landslides (2022) · degree of cover of established regeneration
regional demarcation: protection forest region
unit: 1000 ha
evaluation area: accessible forest without shrub forest NFI1-NFI5
grid: 1.4 km grid, subgrids 1-5
state 2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
protection forest against hillslope debris flows/landslides (2022)degree of cover of established regeneration1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
<1%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
5-9%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
10-25%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
26-50%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
51-75%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
76-100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
insiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
<1%0.31000.0.2.7351.0582.5383.3339.819
1-4%2.1413.2333.1337.5225.0274.82725.512
5-9%3.9302.7351.4505.7251.8456.82322.313
10-25%3.4316.8226.6237.5224.6286.82335.710
26-50%4.9261.5503.0364.9270.7712.24117.214
51-75%3.2331.9450.41000.7710.31000.0.6.524
76-100%1.8450.8710.7710.0.0.0.0.0.3.333
total19.61316.91417.71427.31114.91523.911120.35
outsiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
<1%19.8136.72211.6175.62515.41510.81869.77
1-4%37.6925.21117.51415.31524.11222.112141.95
5-9%48.1828.11114.71513.71617.61423.611145.85
10-25%101.9561.2726.31122.91232.21025.111269.53
26-50%78.3628.11119.8138.1219.91910.118154.34
51-75%59.1713.8166.3241.7443.8303.83088.56
76-100%45.986.1243.9300.7711.4501.55059.57
total390.81169.24100.0568.17104.4596.84929.21
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
<1%20.1136.72214.3156.62317.81414.01579.56
1-4%39.7928.41120.61322.81229.01126.910167.44
5-9%52.0830.81016.11519.41319.51330.310168.14
10-25%105.3568.0732.91030.31036.8931.910305.23
26-50%83.2629.61122.71213.11610.61812.317171.54
51-75%62.3715.7156.6242.5384.2293.83095.06
76-100%47.886.9234.5280.7711.4501.55062.87
total410.31186.13117.8595.45119.25120.731049.51
© WSL, Swiss National Forest Inventory, 05.03.2024 #1310327/492077

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. 1310327. Birmensdorf, Swiss Federal Research Institute WSL

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