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NFI3
forest area
protection forest against avalanches (2022) · type of next treatment
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 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
protection forest against avalanches (2022)type of next treatment1000 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.
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.
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.
possible intervention in >20 years2.2417.9215.12612.4177.8217.52142.89
tending0.0.0.7711.0580.41000.31000.41002.835
thinning0.31003.1332.1410.7710.7710.41007.322
secondary felling0.41001.8452.5381.7452.5380.41009.219
final felling0.31000.0.0.31000.7710.0.1.1582.538
selection felling1.1580.0.0.41000.0.0.0.0.0.1.550
thinning of mountain forest0.0.5.4251.8458.1213.9303.93023.112
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 felling0.0.0.31000.0.0.0.0.0.0.0.0.3100
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.
planting0.0.0.7710.0.0.0.0.0.0.0.0.771
agrosilvicultural treatments0.0.0.0.0.0.0.41000.41000.0.0.771
total4.42819.81313.11624.31215.71513.61590.96
outsiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
possible intervention in >20 years47.1854.5835.41040.7948.4879.95306.13
tending56.6717.81410.1193.2334.5281.15793.36
thinning133.2425.41115.5156.0248.2219.819198.14
secondary felling61.1725.61123.6123.5328.8202.637125.35
final felling35.6109.7207.2221.8457.3223.23364.87
selection felling25.61110.8180.41000.7711.5500.410039.49
thinning of mountain forest0.310015.0153.43213.31622.4123.53158.17
coppice cut0.7710.31000.0.0.0.0.41003.0354.429
conversion9.5191.8451.4500.0.0.0.0.0.12.716
transformation0.0.0.0.0.31000.0.0.0.0.0.0.3100
sanitary felling7.1222.0412.7380.0.0.41000.77112.917
thinning of continuous cover forest19.1130.0.1.2580.0.0.0.0.410020.613
tending of forest edge4.2290.0.1.7450.0.0.7710.0.6.623
planting1.5501.1580.41000.0.0.0.0.0.3.035
agrosilvicultural treatments4.4292.1411.4501.8451.0582.53813.216
total406.01166.24104.6571.16103.65107.13958.61
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
possible intervention in >20 years49.3862.4740.5953.1856.2787.44348.93
tending56.6718.51411.1183.6324.9261.55096.06
thinning133.6428.51117.5146.7238.92010.218205.44
secondary felling61.5727.41126.1115.22611.4173.035134.55
final felling35.999.7207.5212.5387.3224.32967.27
selection felling26.71010.8180.8710.7711.5500.410040.99
thinning of mountain forest0.310020.4135.22621.41226.3117.42181.26
coppice cut0.7710.31000.0.0.0.0.41003.0354.429
conversion9.5191.8451.4500.0.0.0.0.0.12.716
transformation0.0.0.0.0.31000.0.0.0.0.0.0.3100
sanitary felling7.1222.4382.7380.0.0.41000.77113.216
thinning of continuous cover forest19.1130.0.1.2580.0.0.0.0.410020.613
tending of forest edge4.2290.0.1.7450.0.0.7710.0.6.623
planting1.5501.8450.41000.0.0.0.0.0.3.732
agrosilvicultural treatments4.4292.1411.4502.1411.4502.53813.916
total410.31186.13117.8595.45119.25120.731049.51
© WSL, Swiss National Forest Inventory, 05.03.2024 #1270489/452239

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. 1270489. Birmensdorf, Swiss Federal Research Institute WSL

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