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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: protection forest perimeter SilvaProtect: 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.
tending1.0451.0450.6580.0.0.0.0.21002.827
thinning2.4290.5701.4380.0.0.0.0.21004.421
establishment cut1.4381.2411.0450.4712.3300.0.6.218
removal cut0.4710.21000.21000.21000.4710.7582.132
plentering0.4711.0450.21000.0.0.21000.0.1.933
thinning of mountain forest0.6581.4380.8502.4290.21001.6356.917
coppice cut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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 felling0.4711.2410.0.0.0.0.0.0.0.1.635
plentering in broadleaf forest0.4710.21000.5570.0.0.0.0.0.1.141
tending of forest edge0.21000.0.0.0.0.0.0.0.0.21000.471
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.21000.0.0.0.0.21000.0.0.0.0.471
total7.4167.1174.6203.1253.1252.82728.18
2-5 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending2.2303.9223.1260.4711.8330.65812.013
thinning4.7202.9273.0260.6580.21001.43812.812
establishment cut4.6213.5242.1301.6354.7201.24117.611
removal cut1.0450.8500.6580.0.0.0.0.4702.927
plentering1.2412.5280.4710.21000.21000.0.4.521
thinning of mountain forest1.0454.6212.8273.3242.0323.22516.811
coppice cut0.0.0.0.0.0.0.0.0.0.0.4710.471
conversion0.0.0.4710.0.0.0.0.0.0.0.0.471
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.6580.4710.21000.6580.0.0.21002.032
plentering in broadleaf forest1.6350.21003.6230.0.0.21000.0.5.618
tending of forest edge0.6580.4710.21000.0.0.6580.0.1.933
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.4710.21000.0.0.0.0.0.0.21000.850
total17.91020.01016.0116.7179.6147.61677.65
6-10 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending0.4715.2201.8331.0451.0450.6579.914
thinning6.0185.2204.2211.0452.2302.42921.010
establishment cut3.4242.4292.2283.0252.5281.14514.711
removal cut0.6581.0450.6580.0.0.6580.8503.624
plentering1.4384.8200.6580.0.0.21000.21007.217
thinning of mountain forest0.65810.6135.3195.6182.8274.92029.88
coppice cut0.4710.0.0.0.0.0.0.0.1.2411.635
conversion0.0.0.21000.4700.0.0.0.0.21000.850
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.0.0.0.0.0.0.21000.0.0.21000.471
plentering in broadleaf forest1.8330.4711.9310.0.0.0.0.0.4.122
tending of forest edge0.21000.0.0.4710.21000.0.0.0.0.750
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.4710.6580.21000.8500.21000.8503.026
total15.21130.3817.61011.8129.61412.41296.84
11-20 yearsno treatment0.0.0.0.0.0.0.0.0.0.0.0.0.0.
tending1.0451.8331.4370.8501.6350.0.6.617
thinning2.3292.4292.3292.0301.2412.23012.612
establishment cut2.4294.0232.1302.7262.5271.43815.111
removal cut1.0450.8500.6580.21000.21000.6583.424
plentering0.4713.3240.6580.0.0.4710.0.4.720
thinning of mountain forest1.04512.7124.82010.0133.0256.61738.17
coppice cut0.0.0.0.0.0.0.21000.0.1.8332.031
conversion0.0.0.21000.4710.0.0.0.0.4711.045
transformation0.0.0.21000.21000.0.0.0.0.21000.658
sanitary felling0.0.0.21000.4710.0.0.0.0.4711.045
plentering in broadleaf forest0.8500.21002.2300.0.0.0.0.0.3.225
tending of forest edge0.0.0.21000.21000.0.0.0.0.0.0.471
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.21000.4710.4700.8500.6580.21002.628
total9.11526.5815.61116.8109.51413.91191.34
> 20 yearsno treatment9.21426.0818.41042.6650.3584.14230.52
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.
total9.21426.0818.41042.6650.3584.14230.52
totalno treatment9.21426.0818.41042.6650.3584.14230.52
tending4.62111.9136.8172.2304.4211.33831.38
thinning15.41111.01310.9133.6223.5236.31850.76
establishment cut11.71311.1137.4157.71512.0123.72353.66
removal cut3.0262.9272.0320.4711.2412.52812.013
plentering3.42411.7131.8330.21001.0450.210018.310
thinning of mountain forest3.22529.3813.71121.388.01516.21091.74
coppice cut0.4710.0.0.0.0.21000.0.3.5244.022
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 forest4.6211.1458.3150.0.0.21000.0.14.111
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 treatments1.2411.2410.6581.8330.8501.2416.717
total58.65109.9372.1481.0382.14120.72524.41
© WSL, Swiss National Forest Inventory, 11.07.2020 #845214/311545
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