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NFI3

forest area: rockfall 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 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago1.15883.1584.25
11-20 years ago0.410025.31125.711
21-30 years ago0.410022.51222.912
31-40 years ago..7.1227.122
41-50 years ago0.7713.6314.329
over 50 years ago0.41004.3294.627
total2.935146.02148.92
Eastern Juraless than 10 years ago0.410030.8731.27
11-20 years ago..7.9217.921
21-30 years ago..4.4294.429
31-40 years ago..1.5501.550
41-50 years ago..1.6491.649
over 50 years ago..0.41000.4100
total0.410046.6347.03
Western Plateauless than 10 years ago..34.9734.97
11-20 years ago..4.5294.529
21-30 years ago..2.5402.540
31-40 years ago..1.6491.649
41-50 years ago..2.1442.144
over 50 years ago..1.6491.649
total..47.2447.24
Central Plateauless than 10 years ago..49.3549.35
11-20 years ago0.310011.81512.215
21-30 years ago..5.3245.324
31-40 years ago......
41-50 years ago......
over 50 years ago..1.9401.940
total0.310068.4268.72
Eastern Plateauless than 10 years ago..84.0484.04
11-20 years ago..16.11416.114
21-30 years ago..6.4236.423
31-40 years ago..2.5372.537
41-50 years ago..0.7710.771
over 50 years ago..0.41000.4100
total..110.12110.12
Western Pre-Alpsless than 10 years ago0.410020.01120.311
11-20 years ago..5.9245.924
21-30 years ago..4.1294.129
31-40 years ago..4.8264.826
41-50 years ago..2.2402.240
over 50 years ago..3.7303.730
total0.410040.7441.14
Central Pre-Alpsless than 10 years ago..52.0652.06
11-20 years ago0.77116.51417.213
21-30 years ago..10.41810.418
31-40 years ago..6.1246.124
41-50 years ago..1.8441.844
over 50 years ago0.7716.5237.222
total1.45093.2394.72
Eastern Pre-Alpsless than 10 years ago..35.0835.08
11-20 years ago0.410013.21513.615
21-30 years ago0.41007.9208.220
31-40 years ago0.41003.2333.631
41-50 years ago..2.5372.537
over 50 years ago..6.1236.123
total1.15767.9368.93
Northwestern Alpsless than 10 years ago0.77117.21317.912
11-20 years ago1.15710.71711.816
21-30 years ago1.1574.6275.724
31-40 years ago..5.4255.425
41-50 years ago0.41003.9294.328
over 50 years ago1.1578.6199.718
total4.32850.4554.74
Central Alpsless than 10 years ago1.7446.2227.919
11-20 years ago0.7702.8343.531
21-30 years ago..1.0571.057
31-40 years ago0.31002.4372.834
41-50 years ago0.31001.4491.744
over 50 years ago0.31004.8255.224
total3.43018.61022.18
Northeastern Alpsless than 10 years ago0.77010.01710.716
11-20 years ago1.1575.0256.123
21-30 years ago0.7702.9343.630
31-40 years ago..2.1402.140
41-50 years ago0.41001.4491.844
over 50 years ago0.41003.9294.327
total3.23225.4828.76
Southwestern Alpsless than 10 years ago1.74422.31124.011
11-20 years ago1.05810.61711.716
21-30 years ago0.31005.8246.223
31-40 years ago0.41005.5255.824
41-50 years ago2.4378.22010.617
over 50 years ago2.43732.9935.38
total8.22085.4493.73
Southeastern Alpsless than 10 years ago0.410035.5935.99
11-20 years ago0.77124.61125.311
21-30 years ago..13.31613.316
31-40 years ago0.7719.81810.518
41-50 years ago..6.0246.024
over 50 years ago0.410027.71028.110
total2.141116.93119.03
Southern Alpsless than 10 years ago1.84512.81614.515
11-20 years ago0.7717.8218.520
21-30 years ago0.7717.4218.120
31-40 years ago0.7716.3237.022
41-50 years ago0.41009.91810.318
over 50 years ago6.02464.8670.86
total10.318109.04119.33
Switzerlandless than 10 years ago8.820493.12502.02
11-20 years ago7.022162.84169.84
21-30 years ago3.63298.66102.16
31-40 years ago2.53858.5861.07
41-50 years ago4.52845.3949.98
over 50 years ago11.617167.64179.24
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160348/146727
search result: 1 entry on 1 page

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