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NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%3.0261.8332.0311.7351.0450.85010.314
21-40%8.9158.1164.6215.12010.8132.92640.47
41-60%26.8820.0109.71410.61319.2105.71892.04
61-80%88.9428.9817.6106.21819.7109.314170.73
over 80%240.6230.8821.295.2198.8156.917313.52
total368.2189.7455.2528.8759.5525.68626.91
inside perimeter0-20%0.0.0.6580.21000.4710.21000.0.1.438
21-40%0.21000.6581.6352.7262.5291.4389.015
41-60%0.21004.4212.6285.1195.0204.52121.79
61-80%1.6358.3154.62110.0137.6164.72036.87
over 80%2.6276.4175.8185.4182.5272.13024.99
total4.72020.4914.81123.5817.81012.71293.84
outside perimeter0-20%0.0.1.6351.0441.5351.2411.0456.318
21-40%0.0.3.6231.4386.11810.5136.21727.88
41-60%1.04516.5117.91611.41318.61016.51071.95
61-80%16.61134.9717.51019.8918.41028.78135.94
over 80%34.8732.5728.2714.71110.61345.95166.73
total52.4689.1455.9553.6559.3598.33408.72
total0-20%3.0264.1223.2243.6232.4291.83318.010
21-40%9.11512.3127.61613.91123.8910.51377.25
41-60%28.0840.9620.2927.1842.8626.78185.73
61-80%107.1472.1439.6636.0645.7642.76343.32
over 80%278.1269.8455.2425.3821.9954.95505.11
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853640/319971
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