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NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.5370.0.0.0.1.537
21-40%1.5370.0.0.21001.735
41-60%9.1140.0.0.6589.714
61-80%24.482.4292.72629.57
over 80%76.8411.71213.911102.42
total113.3214.01117.410144.81
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.4710.0.1.537
61-80%4.0220.5710.0.4.521
over 80%34.242.7271.83338.73
total40.333.5241.83345.72
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%3.6210.0.0.0.3.621
61-80%7.3160.21000.7588.215
over 80%29.550.6583.52333.74
total42.030.8504.22147.02
Central Plateau0-20%0.9480.0.0.21001.143
21-40%0.7560.0.0.0.0.756
41-60%3.8210.0.0.21004.021
61-80%11.6120.4701.04513.011
over 80%42.542.7265.01950.23
total59.533.1256.41769.01
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.0250.0.0.0.3.025
61-80%15.0100.21000.47115.610
over 80%77.931.5353.92283.32
total99.621.7334.321105.61
Western Pre-Alps0-20%0.31000.0.0.31000.670
21-40%0.8570.0.2.1332.828
41-60%3.0270.21002.9256.018
61-80%4.0220.6597.91512.611
over 80%7.6142.2298.51318.36
total15.6103.02521.6740.33
Central Pre-Alps0-20%0.8500.0.0.4701.140
21-40%1.0450.21001.3382.527
41-60%8.8140.0.3.52312.311
61-80%16.3101.73513.61131.57
over 80%21.193.02623.6847.75
total47.954.92042.3595.12
Eastern Pre-Alps0-20%0.21000.0.0.4700.657
21-40%2.7270.0.1.0443.823
41-60%3.6230.4711.7355.718
61-80%8.1151.2416.01815.310
over 80%18.393.92220.2842.34
total32.965.51829.3767.73
Northwestern Alps0-20%0.0.0.21001.4371.634
21-40%0.8500.0.1.8332.727
41-60%3.3250.8504.0228.115
61-80%6.6171.2416.91614.710
over 80%6.9164.52012.71124.07
total17.6106.61626.8751.13
Central Alps0-20%0.0.0.21000.0.0.2100
21-40%0.4710.21000.4701.044
41-60%2.5260.0.1.0443.522
61-80%2.9250.8501.9315.617
over 80%3.6212.4274.71810.710
total9.5123.5228.01320.95
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%0.9440.4710.4701.632
41-60%1.5380.21001.6363.225
61-80%1.8330.4714.3206.516
over 80%3.4223.0248.31314.88
total7.6154.02115.1926.65
Southwestern Alps0-20%0.21000.0.0.21000.471
21-40%3.0260.8502.7286.417
41-60%6.3184.92010.31321.59
61-80%8.5157.51620.1936.16
over 80%6.6179.31318.7934.66
total24.5822.5852.0599.02
Southeastern Alps0-20%0.4710.0.0.21000.658
21-40%4.6210.6584.5219.714
41-60%14.0122.42918.41034.87
61-80%20.495.41921.0946.95
over 80%11.2136.51611.61229.47
total50.6515.01155.75121.32
Southern Alps0-20%0.21000.0.0.6580.850
21-40%0.4710.4711.4382.130
41-60%3.1251.6356.21711.013
61-80%5.3194.42120.4930.17
over 80%11.11317.81050.2579.13
total20.1924.1878.84123.12
Switzerland0-20%7.1170.4714.32211.813
21-40%20.4102.62815.71138.77
41-60%66.8510.91350.26127.94
61-80%136.2426.89106.94269.92
over 80%350.7271.75186.73609.11
total581.21112.34363.921057.41
© WSL, Swiss National Forest Inventory, 17.06.2020 #874447/340778
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