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NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover of regeneration (7 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%0.7710.410011.7174.4276.0246.12429.311
1-4%2.2411.45024.51214.71411.31723.81177.96
5-9%6.1242.53831.21013.7159.21926.41189.16
10-25%11.5177.12260.7719.21217.01328.210143.65
26-50%7.6217.82135.51011.3177.82114.21584.16
51-75%4.7276.42316.0152.1412.8353.23335.210
76-100%5.4252.5388.9200.3100..1.45018.514
total38.2927.911188.4365.7554.16103.24477.52
outside of perimeter< 1%4.0307.8215.7250.7712.5372.53823.112
1-4%12.31715.21522.0123.13311.7173.93068.27
5-9%18.41318.71319.2134.5277.1223.63171.47
10-25%33.9952.7742.696.52214.1155.725155.54
26-50%29.21048.4818.2142.7354.9262.538105.95
51-75%25.91139.3910.7180.7711.7451.05879.36
76-100%27.41143.887.9210.7710.771..80.56
total151.03226.02126.2418.91342.6819.213583.82
total< 1%4.7288.12117.4145.1258.5208.52052.48
1-4%14.41516.61446.5817.81323.01127.710146.15
5-9%24.51121.21250.4818.21316.31429.910160.44
10-25%45.4859.87103.3525.71031.0933.99299.03
26-50%36.7956.2753.6814.01512.71616.714190.04
51-75%30.61045.6826.7112.7354.6274.229114.55
76-100%32.81046.3816.7141.0580.7711.45099.06
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162878/149257
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