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NFI4
forest area
protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.7350.0.1.735
21-40%3.0260.21003.125
41-60%10.4130.65810.913
61-80%26.985.11931.97
over 80%78.7326.28104.92
total120.6232.07152.71
Eastern Jura0-20%0.8470.0.0.847
21-40%0.21000.0.0.2100
41-60%1.1450.4711.537
61-80%4.2220.5714.721
over 80%35.744.52040.23
total42.035.41947.42
Western Plateau0-20%1.0430.0.1.043
21-40%0.6570.0.0.657
41-60%4.0200.0.4.020
61-80%7.7150.9508.614
over 80%31.054.12135.14
total44.335.01949.22
Central Plateau0-20%0.9480.21001.143
21-40%0.7560.0.0.756
41-60%4.0210.21004.220
61-80%11.7121.43713.111
over 80%42.747.81550.53
total60.029.61369.71
Eastern Plateau0-20%0.9490.0.0.949
21-40%2.9250.0.2.925
41-60%3.2240.0.3.224
61-80%16.0100.65816.610
over 80%79.925.41985.32
total102.916.018108.91
Western Pre-Alps0-20%0.31000.31000.670
21-40%1.6382.1333.724
41-60%3.5253.5237.016
61-80%4.7208.81413.511
over 80%8.21411.11119.46
total18.4925.8644.23
Central Pre-Alps0-20%1.2410.6571.733
21-40%1.7331.5353.324
41-60%11.0123.92214.910
61-80%18.01015.81033.86
over 80%22.5927.3749.84
total54.4549.05103.42
Eastern Pre-Alps0-20%0.21000.4700.657
21-40%3.4251.0444.421
41-60%5.5192.5288.015
61-80%9.7137.61617.310
over 80%19.6924.8744.44
total38.3636.4574.82
Northwestern Alps0-20%0.0.1.6341.634
21-40%2.2302.0314.321
41-60%5.8184.82010.513
61-80%8.9148.71417.69
over 80%8.91418.4927.36
total25.8835.6561.43
Central Alps0-20%0.0.0.21000.2100
21-40%1.6350.8492.428
41-60%2.9252.0314.918
61-80%4.1213.5237.614
over 80%4.1207.81311.99
total12.71014.2826.94
Northeastern Alps0-20%0.0.0.5570.557
21-40%1.9310.9442.825
41-60%3.0262.4275.418
61-80%2.9265.1188.014
over 80%3.62212.11015.78
total11.41221.1732.54
Southwestern Alps0-20%1.0450.6581.635
21-40%7.2174.72111.913
41-60%12.41216.61029.08
61-80%11.11329.5740.66
over 80%8.41529.5737.96
total40.2681.03121.12
Southeastern Alps0-20%1.6350.4712.032
21-40%9.9147.11717.010
41-60%19.41024.5843.96
61-80%24.0830.3754.45
over 80%14.61119.8934.46
total69.5482.14151.62
Southern Alps0-20%1.2411.0452.230
21-40%5.1193.9229.014
41-60%8.61511.91220.59
61-80%8.61529.6738.26
over 80%14.01174.4488.33
total37.57120.72158.32
Switzerland0-20%10.7145.91816.611
21-40%41.9724.3966.25
41-60%94.8473.25168.03
61-80%158.73147.33306.02
over 80%371.82273.32645.11
total677.91524.011201.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #850008/316339
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