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NFI3

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago31.9752.0530.4715.31023.1813.411166.23
11-20 years ago9.91321.5914.2119.91317.2108.61481.34
21-30 years ago7.81512.5128.2147.51510.71211.81258.45
31-40 years ago2.9259.0145.9177.2156.0178.81439.77
41-50 years ago2.2296.7163.6228.9133.5229.81334.77
over 50 years ago4.72012.5128.71427.3718.4966.84138.43
total59.35114.2371.1476.0378.83119.32518.71
outside of perimeterless than 10 years ago251.2239.4625.287.91417.3104.420345.42
11-20 years ago60.4515.9109.6133.82111.7123.123104.54
21-30 years ago36.4711.0137.2155.11810.3134.61974.65
31-40 years ago10.8137.8154.0213.6225.2182.72534.17
41-50 years ago5.2183.2232.2283.1232.6262.02918.510
over 50 years ago7.91514.31110.41311.81216.81015.41076.45
total371.9191.5458.6535.2664.0432.37653.51
totalless than 10 years ago283.2291.4455.7523.2840.5617.89511.71
11-20 years ago70.3537.4623.8813.71128.9711.812185.83
21-30 years ago44.1623.5815.41012.61121.0916.410133.03
31-40 years ago13.71116.8109.91310.71211.21211.51273.85
41-50 years ago7.4169.9135.91711.9116.11711.91253.26
over 50 years ago12.61226.7819.1939.1635.2682.23214.82
total431.21205.71129.72111.32142.82151.621172.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158020/144399
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