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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
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.
tending13.9122.3300.8500.4710.8500.210018.310
thinning15.1111.7352.6280.0.0.21000.210019.710
establishment cut5.8182.9271.3380.4712.3300.0.12.613
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 felling3.8231.7350.4710.21000.0.0.21006.218
plentering in broadleaf forest4.9200.21001.3380.0.0.0.0.0.6.417
tending of forest edge1.6350.0.0.21000.0.0.0.0.4712.230
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments2.3300.21000.21000.21000.21000.0.3.126
total56.1613.2128.9144.0224.3213.42490.04
2-5 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending27.687.2164.1220.8502.8260.65843.06
thinning53.366.2186.5171.0450.6582.03169.65
establishment cut20.3105.1204.4201.6356.5171.43839.37
removal cut9.6141.9331.0450.21000.0.0.47013.012
plentering11.4134.0220.8500.21000.8500.0.17.211
thinning of mountain forest1.2416.9174.2223.7233.2253.62322.79
coppice cut0.6580.0.0.0.0.0.0.0.0.6581.241
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 felling4.3211.6350.21000.6580.0.0.4717.117
plentering in broadleaf forest20.4100.7586.0180.0.0.21000.0.27.38
tending of forest edge3.6240.8500.4710.0.0.8500.4716.018
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments4.2220.6580.4710.4710.6581.2417.416
total158.0335.6727.988.51515.41110.513256.02
6-10 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending8.7159.3153.2251.8331.4380.65725.09
thinning48.8612.6127.6161.1413.3243.02676.45
establishment cut19.8106.0184.6193.0255.8181.53840.77
removal cut6.3181.8330.6580.0.0.8501.24110.714
plentering9.7149.0150.6580.0.0.6580.210020.210
thinning of mountain forest0.65814.4118.2156.4175.2195.61840.37
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 felling0.4710.21000.0.0.6580.0.0.21001.438
plentering in broadleaf forest19.1100.4713.3240.0.0.0.0.0.22.89
tending of forest edge1.8330.21001.4380.4710.21000.0.4.022
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments5.1201.2410.6581.6350.6581.04510.214
total122.6355.7530.4715.01117.91015.211256.82
11-20 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending4.0223.9232.4281.2412.6270.47114.412
thinning15.3115.4193.2242.7261.2412.42930.28
establishment cut10.5146.8173.6223.7234.4211.63530.58
removal cut3.8231.7350.8500.21000.9500.6587.916
plentering3.0265.2191.2410.0.1.2410.0.10.614
thinning of mountain forest1.24119.8108.21511.6124.8207.21652.76
coppice cut0.6580.0.0.0.0.21000.0.2.0312.827
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 forest4.2220.6583.2250.0.0.0.0.0.8.016
tending of forest edge1.7330.21000.4710.0.0.0.0.21002.528
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments2.8271.2410.8500.8501.0450.4717.017
total48.1645.3624.9820.3916.01115.811170.33
> 20 yearsno treatment43.0658.9542.2673.4498.03113.33428.92
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.
total43.0658.9542.2673.4498.03113.33428.92
totalno treatment43.0658.9542.2673.4498.03113.33428.92
tending54.1522.6910.4134.3227.6161.733100.84
thinning132.5325.8819.994.8195.3197.616195.93
establishment cut56.3520.8914.0118.61418.994.521123.14
removal cut22.495.7192.8270.8502.1313.12636.87
plentering29.4819.4102.8270.21002.8270.210054.86
thinning of mountain forest3.62343.4622.1924.1813.31217.910124.44
coppice cut1.9320.0.0.0.0.21000.0.4.3216.417
conversion3.2251.7350.8500.0.0.0.0.6586.218
transformation0.6580.21000.21000.0.0.0.0.21001.241
sanitary felling8.7153.7231.0451.4380.0.1.24115.911
plentering in broadleaf forest48.661.93313.9110.0.0.21000.0.64.65
tending of forest edge8.7151.2412.3290.4711.0451.04514.712
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments14.4123.2252.0323.0262.5292.62827.78
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 12.07.2020 #799105/265437
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