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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
grid: terrestrial grid NFI3
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 ago1.33881.5382.73
11-20 years ago0.55827.9728.57
21-30 years ago0.47123.3823.68
31-40 years ago0.5587.2167.715
41-50 years ago0.4712.5272.925
over 50 years ago0.4718.2148.614
total3.423150.61154.01
Eastern Juraless than 10 years ago0.210030.0530.25
11-20 years ago..8.5148.514
21-30 years ago..4.7194.719
31-40 years ago..1.3381.338
41-50 years ago..2.1302.130
over 50 years ago..0.4710.471
total0.210047.0247.22
Western Plateauless than 10 years ago..33.9533.95
11-20 years ago..6.7166.716
21-30 years ago..4.1214.121
31-40 years ago..1.5351.535
41-50 years ago..1.5351.535
over 50 years ago..1.7331.733
total..49.4349.43
Central Plateauless than 10 years ago..50.4450.44
11-20 years ago0.210011.31111.511
21-30 years ago..5.4175.417
31-40 years ago..1.0411.041
41-50 years ago..0.21000.2100
over 50 years ago..1.2381.238
total0.210069.5269.62
Eastern Plateauless than 10 years ago..85.7385.73
11-20 years ago..15.01015.010
21-30 years ago..6.3176.317
31-40 years ago..2.2292.229
41-50 years ago..0.9450.945
over 50 years ago..0.7500.750
total..110.91110.91
Western Pre-Alpsless than 10 years ago0.47119.3819.68
11-20 years ago..8.8138.813
21-30 years ago..4.8194.819
31-40 years ago..4.6194.619
41-50 years ago..2.8252.825
over 50 years ago..5.0185.018
total0.47145.2345.53
Central Pre-Alpsless than 10 years ago0.210054.6454.84
11-20 years ago0.55814.91015.510
21-30 years ago0.210010.61210.812
31-40 years ago..5.8175.817
41-50 years ago..2.5262.526
over 50 years ago0.5589.3139.913
total1.43597.8299.22
Eastern Pre-Alpsless than 10 years ago..35.2635.26
11-20 years ago0.210013.91014.110
21-30 years ago0.21009.91310.013
31-40 years ago0.21004.6194.719
41-50 years ago..2.5262.526
over 50 years ago..7.4157.415
total0.55873.3273.92
Northwestern Alpsless than 10 years ago0.94516.01016.99
11-20 years ago0.75012.41113.111
21-30 years ago0.7507.2157.914
31-40 years ago..6.5166.516
41-50 years ago0.21004.5194.719
over 50 years ago0.75011.21211.911
total3.22357.7361.03
Central Alpsless than 10 years ago1.7339.41211.111
11-20 years ago0.6573.9214.519
21-30 years ago..1.3371.337
31-40 years ago0.9442.4273.423
41-50 years ago0.21001.5351.733
over 50 years ago0.21005.4185.617
total3.62224.0627.65
Northeastern Alpsless than 10 years ago1.0409.61210.611
11-20 years ago0.7504.9185.616
21-30 years ago0.7503.4214.119
31-40 years ago..2.0282.028
41-50 years ago0.21001.7311.930
over 50 years ago0.3715.9166.315
total2.92327.5530.44
Southwestern Alpsless than 10 years ago0.94522.4823.28
11-20 years ago0.94512.81113.711
21-30 years ago0.75012.01112.611
31-40 years ago0.55810.21210.712
41-50 years ago1.53310.41211.911
over 50 years ago2.02937.0639.16
total6.516104.82111.32
Southeastern Alpsless than 10 years ago0.55839.9640.56
11-20 years ago1.04127.8728.97
21-30 years ago0.210020.8921.09
31-40 years ago0.75010.51311.212
41-50 years ago0.21005.9176.117
over 50 years ago1.23833.9635.26
total3.821138.92142.82
Southern Alpsless than 10 years ago1.23816.61017.89
11-20 years ago0.47111.41211.812
21-30 years ago0.94515.51016.410
31-40 years ago0.75010.81211.512
41-50 years ago0.75011.21211.912
over 50 years ago7.21575.0482.23
total11.112140.52151.62
Switzerlandless than 10 years ago8.215504.41512.71
11-20 years ago5.618180.53186.13
21-30 years ago3.921129.24133.13
31-40 years ago3.62270.6574.25
41-50 years ago3.32350.2653.56
over 50 years ago12.612202.43215.02
total37.271137.211174.41

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158782/145161
search result: 1 entry on 1 page

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