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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 without shrub 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%1.20.20.70.30.10.10.80.41.00.40.70.30.90.1
21-40%1.70.32.60.55.10.86.01.06.50.93.20.63.50.2
41-60%5.30.59.80.98.41.110.21.212.81.25.40.87.90.3
61-80%15.50.815.21.112.51.39.21.215.91.35.50.813.20.4
over 80%62.91.019.01.220.21.56.91.09.61.18.81.031.00.5
total86.80.747.31.546.51.933.21.845.81.823.71.556.50.6
inside perimeter0-20%0.10.11.00.30.70.30.50.30.30.20.60.30.40.1
21-40%0.0.2.50.51.80.53.20.74.00.72.50.51.80.2
41-60%0.20.15.40.75.20.812.61.314.11.37.00.95.60.3
61-80%1.00.214.71.111.11.220.91.616.81.317.51.310.70.4
over 80%7.10.524.61.328.81.721.01.69.11.042.91.718.90.5
total8.40.648.21.547.61.958.21.944.31.870.51.637.40.5
outside perimeter0-20%0.0.0.20.10.10.10.0.0.0.0.0.0.10.0
21-40%0.00.00.10.10.30.20.70.30.70.30.0.0.20.1
41-60%0.00.00.50.20.0.1.10.42.00.50.50.20.50.1
61-80%0.90.21.10.30.90.43.50.73.20.61.20.41.50.2
over 80%3.90.42.60.54.50.83.40.73.90.74.10.73.70.2
total4.90.54.50.75.90.98.71.19.81.15.80.86.10.3
total0-20%1.30.21.90.41.00.41.40.51.30.41.40.41.40.2
21-40%1.70.35.30.77.21.09.91.211.21.15.70.85.50.3
41-60%5.60.515.61.113.61.323.91.728.91.612.91.214.00.4
61-80%17.40.831.01.424.61.633.51.935.91.724.21.525.40.5
over 80%74.00.946.31.453.61.731.31.822.71.455.81.653.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859430/325761
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