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NFI2
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.6350.4710.0.2.032
less than 10 years ago65.147.0166.91679.14
11-20 years ago31.373.3244.32138.96
21-30 years ago13.5121.2411.93116.510
31-40 years ago3.1251.1411.1415.419
41-50 years ago0.6580.21001.5352.329
over 50 years ago4.0221.5351.9327.416
total119.2214.61117.810151.61
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago25.561.3410.210027.06
11-20 years ago11.1121.0441.24013.410
21-30 years ago1.5380.6570.21002.330
31-40 years ago2.0330.4710.21002.629
41-50 years ago0.6570.21000.0.0.849
over 50 years ago0.31000.0.0.0.0.3100
total41.233.5241.83346.62
Western Plateaun/a1.5380.0.0.0.1.538
less than 10 years ago25.470.6582.33028.46
11-20 years ago10.8120.0.0.57011.312
21-30 years ago3.0260.21000.21003.324
31-40 years ago2.2310.0.0.21002.429
41-50 years ago1.1440.0.0.0.1.144
over 50 years ago1.5380.0.1.2402.627
total45.430.8504.42150.62
Central Plateaun/a0.4700.21000.0.0.657
less than 10 years ago43.941.5353.72249.14
11-20 years ago13.4110.8502.13016.310
21-30 years ago2.0310.21000.4712.627
31-40 years ago0.4710.21000.0.0.658
41-50 years ago0.4700.21000.0.0.658
over 50 years ago0.4710.21000.4710.944
total60.923.2246.61670.71
Eastern Plateaun/a0.3710.0.0.0.0.371
less than 10 years ago75.531.1413.02679.63
11-20 years ago19.990.21000.85020.89
21-30 years ago4.2210.0.0.4714.620
31-40 years ago1.0450.0.0.21001.141
41-50 years ago0.21000.21000.0.0.471
over 50 years ago1.1410.21000.0.1.338
total102.221.7334.321108.21
Western Pre-Alpsn/a1.7360.0.0.4732.132
less than 10 years ago6.5171.2417.81515.510
11-20 years ago4.3210.6596.21711.112
21-30 years ago2.1320.6574.2196.915
31-40 years ago1.3380.4700.7592.429
41-50 years ago1.2450.31000.6592.133
over 50 years ago1.9340.21002.9265.020
total18.993.22422.9745.03
Central Pre-Alpsn/a2.8270.0.0.8503.623
less than 10 years ago22.692.13223.9848.65
11-20 years ago16.3101.73510.51328.47
21-30 years ago4.4210.5714.8209.714
31-40 years ago1.9330.0.2.1323.923
41-50 years ago1.0450.21000.8502.032
over 50 years ago4.8200.4702.3297.415
total53.654.92045.25103.62
Eastern Pre-Alpsn/a1.3410.0.1.1452.430
less than 10 years ago16.6102.62811.31330.56
11-20 years ago9.6141.83110.21321.78
21-30 years ago3.2250.4703.8227.416
31-40 years ago0.8500.4712.0323.325
41-50 years ago1.6350.0.1.7333.424
over 50 years ago2.2300.21002.4294.920
total35.565.51832.6673.52
Northwestern Alpsn/a6.1180.0.1.5387.516
less than 10 years ago6.9162.4299.91319.29
11-20 years ago3.2251.8337.31612.412
21-30 years ago2.6270.8503.9227.316
31-40 years ago1.8330.8502.3294.920
41-50 years ago1.4381.0441.5374.022
over 50 years ago4.0220.4713.1257.516
total26.187.21629.6662.83
Central Alpsn/a3.8230.0.1.6355.419
less than 10 years ago4.5191.2394.51910.211
11-20 years ago1.7330.9440.6573.223
21-30 years ago1.6351.2410.8493.522
31-40 years ago0.4710.6570.6581.534
41-50 years ago0.4710.0.0.21000.658
over 50 years ago2.5260.6582.0315.118
total14.994.51910.21129.54
Northeastern Alpsn/a6.1180.31003.3249.714
less than 10 years ago3.0261.1416.01710.112
11-20 years ago2.3281.6363.3247.215
21-30 years ago0.5580.3702.0312.925
31-40 years ago0.6590.6591.5352.726
41-50 years ago0.3700.0.1.4381.733
over 50 years ago2.3280.4712.0324.619
total15.2104.22119.5738.93
Southwestern Alpsn/a8.3150.7503.62312.612
less than 10 years ago6.5174.32111.61322.49
11-20 years ago4.8204.7206.51716.010
21-30 years ago4.0223.3247.91515.211
31-40 years ago2.7272.9268.11513.811
41-50 years ago2.0313.5234.72010.213
over 50 years ago7.9164.82014.41127.28
total36.2724.3856.84117.32
Southeastern Alpsn/a16.7110.8503.92221.59
less than 10 years ago18.5105.51919.7943.76
11-20 years ago13.4124.92013.51231.87
21-30 years ago5.6191.8336.61714.011
31-40 years ago4.0221.5355.61911.113
41-50 years ago2.3300.21004.0226.517
over 50 years ago14.6112.32910.41327.38
total75.0417.11063.84155.92
Southern Alpsn/a16.6112.03116.71035.27
less than 10 years ago3.3254.0228.71516.011
11-20 years ago3.5235.1196.91715.511
21-30 years ago2.3302.4298.21512.912
31-40 years ago2.8273.8237.41614.011
41-50 years ago2.8274.82012.21219.89
over 50 years ago10.7135.81841.0657.55
total41.9627.98101.13170.91
Switzerlandn/a67.354.42132.98104.54
less than 10 years ago323.8236.07119.64479.42
11-20 years ago145.8328.4873.95248.13
21-30 years ago50.4613.41245.46109.24
31-40 years ago25.0912.81232.0869.85
41-50 years ago15.81110.81328.7855.46
over 50 years ago58.0617.01184.04159.03
total686.21122.64416.521225.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #865371/331702
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