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NFI4
forest area
urgency of next treatment (interview survey) · type of next treatment (interview survey)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending13.7122.3300.8500.21000.8500.210017.910
thinning15.1111.7352.6280.0.0.21000.210019.710
establishment cut5.8182.9271.3380.4712.1310.0.12.413
removal cut2.8270.4710.4710.4710.4710.9505.320
plentering5.3191.3410.21000.0.0.21000.0.7.017
thinning of mountain forest0.6582.4291.6352.4290.21001.6358.715
coppice cut0.21000.0.0.0.0.0.0.0.0.0.0.2100
conversion0.0.0.21000.0.0.0.0.0.0.0.0.2100
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling3.8231.5380.4710.21000.0.0.21006.018
plentering in broadleaf forest4.9200.21001.3380.0.0.0.0.0.6.417
tending of forest edge1.4380.0.0.0.0.0.0.0.0.4711.833
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments1.9330.0.0.0.0.21000.21000.0.2.330
total55.3612.8128.6153.8234.1223.42488.05
2-5 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending27.687.0174.1220.8502.8260.65842.86
thinning53.166.2186.3171.0450.6582.03169.25
establishment cut20.3105.1204.4201.6356.5171.43839.37
removal cut9.2151.6351.0450.21000.0.0.47012.413
plentering11.4134.0220.8500.21000.8500.0.17.211
thinning of mountain forest1.2416.9174.2223.7233.2253.62322.79
coppice cut0.6580.0.0.0.0.0.0.0.0.4711.045
conversion1.2410.6580.0.0.0.0.0.0.0.1.833
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling4.1221.4380.21000.6580.0.0.4716.717
plentering in broadleaf forest20.4100.7586.0180.0.0.21000.0.27.38
tending of forest edge3.6240.6580.4710.0.0.8500.4715.819
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments3.8230.21000.4710.4710.6581.0456.418
total156.9334.4727.788.51515.41110.114253.02
6-10 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending8.7158.9153.0251.8331.4380.47124.29
thinning48.0612.4137.6161.1413.3243.02675.55
establishment cut19.8105.8184.6193.0255.4191.53840.07
removal cut6.3181.6350.6580.0.0.8501.04510.314
plentering9.7148.8150.6580.0.0.6580.210020.010
thinning of mountain forest0.65814.2117.8166.4175.2195.61839.77
coppice cut0.6580.0.0.0.0.0.0.0.1.6352.230
conversion1.2410.6580.4700.0.0.0.0.21002.429
transformation0.6580.0.0.0.0.0.0.0.0.0.0.658
sanitary felling0.4710.0.0.0.0.4710.0.0.21001.045
plentering in broadleaf forest19.1100.4713.1250.0.0.0.0.0.22.69
tending of forest edge1.6350.21001.4380.4710.0.0.0.3.624
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments4.7211.2410.6581.4380.6581.0459.615
total121.2354.1529.6714.61117.31014.811251.62
11-20 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending4.0223.7232.2301.2412.4290.47113.912
thinning15.1115.4193.2242.5271.2412.42929.88
establishment cut10.5146.8173.4233.5234.4211.63530.28
removal cut3.8231.7350.8500.21000.9500.6587.916
plentering2.8275.2191.0450.0.1.2410.0.10.114
thinning of mountain forest1.24119.5108.01511.6124.8207.21652.36
coppice cut0.6580.0.0.0.0.21000.0.1.8332.628
conversion0.8500.21000.4710.0.0.0.0.4711.833
transformation0.0.0.21000.21000.0.0.0.0.21000.658
sanitary felling0.21000.21000.4710.0.0.0.0.4711.241
plentering in broadleaf forest4.0220.6583.2250.0.0.0.0.0.7.816
tending of forest edge1.3380.21000.4710.0.0.0.0.0.2.032
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments2.6281.2410.8500.8501.0450.4716.817
total46.9644.8624.1819.9915.81115.411167.03
> 20 yearsno treatment42.4755.3537.6667.1490.33106.23398.92
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.
establishment cut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
removal cut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
plentering0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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.
plentering in broadleaf 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.
total42.4755.3537.6667.1490.33106.23398.92
totalno treatment42.4755.3537.6667.1490.33106.23398.92
tending53.9521.8910.0134.1227.4161.53598.84
thinning131.4325.6819.794.6205.3197.616194.23
establishment cut56.3520.6913.8118.41418.3104.521121.94
removal cut22.095.3192.8270.8502.1312.92635.87
plentering29.2819.3102.6280.21002.8270.210054.26
thinning of mountain forest3.62343.1621.5924.1813.31217.910123.44
coppice cut1.9320.0.0.0.0.21000.0.3.8235.918
conversion3.2251.7350.8500.0.0.0.0.6586.218
transformation0.6580.21000.21000.0.0.0.0.21001.241
sanitary felling8.5153.1261.0451.2410.0.1.24114.911
plentering in broadleaf forest48.461.93313.7110.0.0.21000.0.64.25
tending of forest edge7.9161.0452.2300.4710.8500.85013.212
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments13.0122.6281.8332.8262.5292.42925.09
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 12.07.2020 #799104/265436
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