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NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.8451.845
less than 10 years ago2.53896.0498.54
11-20 years ago0.410024.71125.011
21-30 years ago1.45011.11712.516
31-40 years ago..2.5382.538
41-50 years ago..0.7710.771
over 50 years ago0.41007.5217.921
total4.627144.22148.92
Eastern Juran/a..0.41000.4100
less than 10 years ago..32.4732.47
11-20 years ago..8.6208.620
21-30 years ago..4.0304.030
31-40 years ago..1.2571.257
41-50 years ago......
over 50 years ago..0.41000.4100
total..47.0347.03
Western Plateaun/a..0.41000.4100
less than 10 years ago..26.6926.69
11-20 years ago..10.31810.318
21-30 years ago..4.1314.131
31-40 years ago..1.6491.649
41-50 years ago..0.41000.4100
over 50 years ago..3.7323.732
total..47.2447.24
Central Plateaun/a......
less than 10 years ago..58.6358.63
11-20 years ago..5.3235.323
21-30 years ago..2.2372.237
31-40 years ago..0.6710.671
41-50 years ago......
over 50 years ago..2.0412.041
total..68.7268.72
Eastern Plateaun/a......
less than 10 years ago..88.3388.33
11-20 years ago..17.51317.513
21-30 years ago..1.8441.844
31-40 years ago......
41-50 years ago......
over 50 years ago..2.5372.537
total..110.12110.12
Western Pre-Alpsn/a......
less than 10 years ago1.15715.91317.012
11-20 years ago1.15711.51612.615
21-30 years ago0.41003.0343.332
31-40 years ago..2.6372.637
41-50 years ago..1.5491.549
over 50 years ago0.41003.7304.129
total2.93538.1541.14
Central Pre-Alpsn/a..0.41000.4100
less than 10 years ago2.93557.7660.65
11-20 years ago1.84415.41417.213
21-30 years ago0.7713.6314.328
31-40 years ago0.7713.2333.930
41-50 years ago..2.2402.240
over 50 years ago0.7715.4256.124
total6.82287.8394.72
Eastern Pre-Alpsn/a......
less than 10 years ago0.410041.1741.47
11-20 years ago2.14010.01812.116
21-30 years ago0.41006.8227.121
31-40 years ago..4.3284.328
41-50 years ago..1.1571.157
over 50 years ago..2.9352.935
total2.93566.1368.93
Northwestern Alpsn/a0.41000.41000.771
less than 10 years ago4.32819.31223.610
11-20 years ago3.6316.82210.417
21-30 years ago1.1575.0266.123
31-40 years ago0.41004.3284.727
41-50 years ago..2.1402.140
over 50 years ago0.7716.4237.221
total10.41744.3654.74
Central Alpsn/a......
less than 10 years ago1.0576.9207.919
11-20 years ago1.7442.1403.829
21-30 years ago1.0571.1582.140
31-40 years ago..0.7700.770
41-50 years ago..1.4491.449
over 50 years ago1.0575.2246.222
total4.82517.31122.18
Northeastern Alpsn/a......
less than 10 years ago1.44912.91414.313
11-20 years ago2.5372.9345.424
21-30 years ago0.41001.8442.140
31-40 years ago0.7701.4492.140
41-50 years ago..0.7700.770
over 50 years ago1.1572.9343.929
total6.12222.6928.76
Southwestern Alpsn/a..0.31000.3100
less than 10 years ago5.12513.41518.513
11-20 years ago4.12911.01715.114
21-30 years ago6.92212.41619.212
31-40 years ago2.4379.31911.716
41-50 years ago1.0583.8304.826
over 50 years ago4.82619.21224.011
total24.41169.3593.73
Southeastern Alpsn/a......
less than 10 years ago5.62545.3750.97
11-20 years ago3.93016.51420.412
21-30 years ago0.77112.61613.316
31-40 years ago1.1586.7227.721
41-50 years ago1.4503.2334.627
over 50 years ago2.83519.31322.112
total15.514103.63119.03
Southern Alpsn/a0.4100..0.4100
less than 10 years ago1.45014.51516.014
11-20 years ago1.84512.41614.215
21-30 years ago1.84511.01712.816
31-40 years ago0.77119.11319.813
41-50 years ago1.45014.81516.314
over 50 years ago5.02635.0940.08
total12.416106.94119.33
Switzerlandn/a0.7713.6324.429
less than 10 years ago25.812529.02554.82
11-20 years ago23.012154.95177.94
21-30 years ago14.71580.2694.96
31-40 years ago6.02457.5863.57
41-50 years ago3.93031.81035.710
over 50 years ago16.814116.05132.85
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155207/141586
search result: 1 entry on 1 page

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