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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%..4.0304.030
1-4%..12.21712.217
5-9%1.45021.41222.912
10-25%1.15837.9938.98
26-50%..28.91028.910
51-75%0.410025.01125.411
76-100%..22.51222.512
total2.935151.82154.72
Eastern Jura< 1%..2.0442.044
1-4%..4.0304.030
5-9%..2.4402.440
10-25%0.41008.6209.019
26-50%..11.91611.916
51-75%..7.1227.122
76-100%..11.91611.916
total0.410047.8248.22
Western Plateau< 1%..0.8700.870
1-4%..5.3275.327
5-9%..6.2246.224
10-25%..14.31514.315
26-50%..11.11711.117
51-75%..4.9284.928
76-100%..6.1256.125
total..48.7348.73
Central Plateau< 1%..2.5352.535
1-4%..5.3235.323
5-9%..7.1207.120
10-25%..15.31315.313
26-50%..14.61314.613
51-75%0.310011.51511.815
76-100%..12.51512.515
total0.310068.8269.12
Eastern Plateau< 1%..4.3284.328
1-4%..4.7274.727
5-9%..6.8226.822
10-25%..21.81221.812
26-50%..23.61123.611
51-75%..25.71125.711
76-100%..26.51026.510
total..113.32113.32
Western Pre-Alps< 1%..2.6372.637
1-4%..5.9235.923
5-9%..5.5255.525
10-25%..16.21316.213
26-50%0.41007.0217.421
51-75%..6.3236.323
76-100%..1.5491.549
total0.410045.1445.54
Central Pre-Alps< 1%..1.8441.844
1-4%..11.11711.117
5-9%0.410016.11416.514
10-25%..36.9836.98
26-50%0.410018.31318.613
51-75%0.7718.6209.319
76-100%..6.5236.523
total1.45099.32100.82
Eastern Pre-Alps< 1%..7.1227.122
1-4%..12.11612.116
5-9%..9.6189.618
10-25%0.410020.41220.711
26-50%0.410015.31415.714
51-75%..5.0265.026
76-100%0.41004.6275.026
total1.15774.3375.33
Northwestern Alps< 1%..1.8441.844
1-4%0.41009.61810.018
5-9%1.1579.61810.717
10-25%2.14019.71221.811
26-50%..10.71710.717
51-75%0.41004.7275.026
76-100%0.7712.2402.935
total4.62758.3462.94
Central Alps< 1%1.057..1.057
1-4%..2.4372.437
5-9%0.31004.5274.926
10-25%1.7447.9199.716
26-50%0.7707.0217.720
51-75%0.31002.4372.734
76-100%..0.7710.771
total4.12725.0829.17
Northeastern Alps< 1%0.7702.9343.630
1-4%0.41003.9294.327
5-9%0.41005.7246.123
10-25%1.4499.71711.116
26-50%0.41003.9294.327
51-75%0.41002.5372.934
76-100%..2.1402.140
total3.63030.8634.45
Southwestern Alps< 1%..6.5226.522
1-4%1.05823.01124.011
5-9%3.43121.71225.111
10-25%1.45032.3933.79
26-50%1.74416.21417.913
51-75%0.7715.1255.824
76-100%..1.4501.450
total8.220106.23114.43
Southeastern Alps< 1%0.410012.71613.016
1-4%1.15831.31032.49
5-9%0.410024.61124.911
10-25%1.45043.8845.28
26-50%0.77120.71221.412
51-75%..8.7208.720
76-100%..3.2333.233
total3.930145.02148.92
Southern Alps< 1%..10.71810.718
1-4%2.83530.81033.79
5-9%2.53834.8937.39
10-25%3.93036.3940.28
26-50%2.14120.41222.512
51-75%..6.3236.323
76-100%0.41002.8353.133
total11.717142.13153.82
Switzerland< 1%2.14159.6861.77
1-4%5.625161.74167.34
5-9%9.819176.24186.04
10-25%13.816321.13335.03
26-50%6.723209.84216.54
51-75%3.133123.85127.05
76-100%1.450104.35105.75
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162122/148501
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