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NFI4
forest area
rockfall SilvaProtect · 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
rockfall SilvaProtecttype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/ano treatment33.9732.9723.8930.8747.7629.38198.33
tending49.5510.7133.6232.1313.2250.47169.55
thinning117.1314.8119.0141.2411.7331.438145.23
establishment cut44.669.7146.6160.9456.9170.85069.65
removal cut19.4102.9270.8500.4710.8500.65824.99
plentering26.087.7161.0450.0.1.8330.0.36.67
thinning of mountain forest0.47114.1128.4152.8275.3191.73332.88
coppice cut1.6350.0.0.0.0.0.0.0.0.8502.329
conversion3.2250.6580.0.0.0.0.0.0.0.3.823
transformation0.6580.0.0.0.0.0.0.0.0.0.0.658
sanitary felling7.7161.8330.4710.6580.0.0.47110.913
plentering in broadleaf forest44.060.8505.6190.0.0.0.0.0.50.56
tending of forest edge7.7160.6581.6350.21000.4710.85011.313
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments13.2122.0321.4381.2411.7351.43820.910
total369.3198.8462.2540.2669.5437.57677.51
inside perimeterno treatment0.8501.2411.8334.1222.5287.71618.110
tending0.21001.1450.8500.21000.21000.0.2.529
thinning0.8501.0450.0.0.4710.0.0.21002.429
establishment cut1.4380.0.0.8500.21001.2410.0.3.624
removal cut0.21000.0.0.21000.0.0.0.0.0.0.471
plentering0.0.0.0.0.0.0.0.0.21000.0.0.2100
thinning of mountain forest0.4711.2413.1252.4290.21002.5299.814
coppice cut0.0.0.0.0.0.0.0.0.0.0.4710.471
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 forest0.21000.0.1.2410.0.0.0.0.0.1.438
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 treatments0.0.0.0.0.0.0.0.0.0.0.21000.2100
total3.9224.5217.9157.2164.42111.01338.97
outside perimeterno treatment8.41524.8916.51038.5647.8576.34212.43
tending4.42110.9136.0182.0324.2221.33828.88
thinning14.61110.01410.9133.3243.5236.01848.36
establishment cut10.31411.1136.6167.51510.8133.72350.06
removal cut2.8272.9271.8330.4711.2412.52811.613
plentering3.42411.7131.8330.21000.8500.210018.110
thinning of mountain forest2.82728.1810.61318.997.81613.71181.95
coppice cut0.4710.0.0.0.0.21000.0.3.1253.623
conversion0.0.1.1450.8500.0.0.0.0.6582.529
transformation0.0.0.21000.21000.0.0.0.0.21000.658
sanitary felling1.0451.9330.6580.8500.0.0.8505.020
plentering in broadleaf forest4.4211.1457.1160.0.0.21000.0.12.712
tending of forest edge1.0450.6580.8500.21000.6580.21003.424
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments1.2411.2410.6581.8330.8501.0456.517
total54.76105.4364.2473.7377.84109.73485.51
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, 10.07.2020 #860663/326994
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