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NFI4
forest area
avalanches SilvaProtect · degree of cover of assured regeneration
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
avalanches SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%17.8105.6196.2172.2307.7165.11944.57
1-4%40.7716.11111.5138.91517.7108.315103.24
5-9%44.4617.1119.71410.3149.8147.71699.04
10-25%97.3433.6717.71011.41320.9910.114191.03
26-50%73.7514.5129.9145.1207.9164.720115.84
51-75%55.269.3155.1201.7354.7201.24177.05
76-100%41.962.7282.2300.6580.8500.47148.66
total371.1198.8462.2540.2669.5437.57679.31
inside perimeterless than 1%0.21001.4382.7261.4384.4211.83311.813
1-4%0.4713.3241.9317.7153.2254.12220.710
5-9%1.2414.3212.3295.5192.9262.92519.210
10-25%1.0457.4164.2227.6155.3193.32428.88
26-50%1.0452.0322.4291.6352.9261.24111.113
51-75%0.6581.1451.2410.21000.4710.0.3.524
76-100%0.21001.1450.4710.0.0.21000.21002.032
total4.72020.6915.21123.9819.4913.41197.24
outside perimeterless than 1%1.4383.2255.4184.52010.61310.51335.77
1-4%4.22211.8139.91412.71215.91127.4881.95
5-9%8.01515.3115.61811.71211.01326.2877.95
10-25%17.11132.9716.91017.41016.21028.38128.84
26-50%11.21315.01113.1129.4147.11610.11465.85
51-75%7.7167.6164.0221.4381.9333.32425.99
76-100%2.6283.5241.9320.0.0.0.1.4389.515
total52.2689.4456.9557.0462.74107.33425.52
totalless than 1%19.41010.21414.2118.11522.7917.41092.04
1-4%45.3631.2823.4929.3736.8739.96205.83
5-9%53.7636.7717.71027.6823.7936.87196.23
10-25%115.3473.9438.8636.4642.4641.76348.62
26-50%86.0431.5825.4816.01117.91016.011192.83
51-75%63.5517.91010.3143.3256.9174.521106.44
76-100%44.767.3174.5210.6581.0451.93160.15
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862533/328864
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