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NFI4
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%1.20.20.80.30.40.20.80.40.90.31.20.41.00.1
21-40%1.70.33.00.56.20.96.61.07.10.94.10.74.00.2
41-60%5.40.510.60.99.01.010.81.214.21.26.40.88.60.3
61-80%15.50.815.21.114.11.310.01.217.91.36.80.813.90.4
over 80%62.91.019.01.220.21.58.21.110.91.19.41.030.40.5
total86.80.748.61.550.01.836.31.851.01.728.01.457.90.5
inside perimeter0-20%0.10.11.10.30.70.30.50.30.40.20.80.30.50.1
21-40%0.0.2.50.51.60.53.00.73.50.62.40.51.70.2
41-60%0.20.15.30.74.80.812.11.313.01.16.90.85.50.3
61-80%1.00.214.31.110.71.119.81.514.91.216.41.210.30.4
over 80%7.10.523.91.326.81.620.11.58.40.940.21.618.30.4
total8.40.647.01.544.61.855.41.940.11.666.71.536.30.5
outside perimeter0-20%0.0.0.20.10.10.10.0.0.10.10.0.0.10.0
21-40%0.00.00.10.10.30.20.60.30.60.30.0.0.20.1
41-60%0.00.00.50.20.0.1.10.41.80.50.40.20.50.1
61-80%0.90.21.10.30.90.33.30.73.00.61.00.31.50.2
over 80%3.90.42.60.54.20.73.20.73.40.63.80.63.60.2
total4.90.54.40.65.50.88.21.18.91.05.30.85.80.3
total0-20%1.30.22.00.41.20.41.30.51.40.42.00.51.50.2
21-40%1.70.35.60.78.11.010.31.211.21.06.60.86.00.3
41-60%5.60.516.41.113.91.223.91.728.91.513.81.114.60.4
61-80%17.40.830.51.425.61.633.01.835.71.624.21.425.60.5
over 80%73.90.945.51.451.21.731.51.822.71.453.31.652.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859431/325762
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