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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
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%1.1586.9235.5257.9206.0243.53130.910
26-50%0.41002.9352.1413.1332.5382.53813.416
51-75%0.41001.1581.058..1.845..4.229
76-100%1.1581.1580.7710.31000.41000.41003.930
total4.72821.31214.91525.01118.31313.81598.06
outside perimeter< 1%13.6165.0268.7205.22510.61810.31853.38
1-4%31.11023.41217.31316.51429.51028.710146.65
5-9%43.6928.11118.41320.31222.51235.19168.14
10-25%98.0568.2635.2925.81139.2836.79303.13
26-50%89.4633.91025.31114.81519.01320.013202.44
51-75%75.1619.5139.9195.8247.0226.323123.65
76-100%78.369.7196.9221.0582.8352.835101.66
total429.31187.92121.6389.44130.63139.931098.71
total< 1%13.6166.12411.4176.52213.01610.71861.47
1-4%31.11027.01118.31324.01132.4933.79166.64
5-9%45.4832.81020.11225.11124.91137.39185.74
10-25%99.1575.0640.7833.7945.2840.28334.03
26-50%89.8636.8927.41117.91321.41222.512215.84
51-75%75.5620.61310.9185.8248.7206.323127.85
76-100%79.4610.8187.6211.4503.2333.133105.55
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162063/148442
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