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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%..1.1582.8351.4502.5380.41008.021
1-4%..3.6311.0587.5212.8355.02620.013
5-9%1.8454.7271.7454.8262.5382.14117.614
10-25%1.1586.9235.2257.9205.6253.53130.111
26-50%0.41002.5381.7453.1332.1412.53812.317
51-75%0.41001.1581.058..1.845..4.229
76-100%1.1581.1580.7710.31000.41000.41003.930
total4.72820.91314.21525.01117.61313.81596.26
outside perimeter< 1%13.2164.7278.3204.82610.2189.21950.48
1-4%30.41123.11216.91316.21427.41026.911140.95
5-9%43.3927.01117.31319.21221.01233.79161.64
10-25%96.9566.4632.5924.71137.4935.09292.93
26-50%88.7633.21024.51113.41517.91318.713196.44
51-75%74.8618.8139.4194.8266.3235.924119.95
76-100%78.069.7196.6221.0582.8352.538100.66
total425.31182.82115.5384.14123.13131.931062.71
total< 1%13.2165.82511.1176.22312.7169.61958.58
1-4%30.41126.71117.91323.71130.21031.910160.84
5-9%45.1831.71019.11324.01123.51135.89179.24
10-25%98.0573.2637.6832.6943.0838.68323.13
26-50%89.1635.7926.31116.51420.01321.212208.74
51-75%75.1619.81310.4184.8268.0205.924124.15
76-100%79.0610.8187.3211.4503.2332.835104.55
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164813/151195
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