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NFI1

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.6251.625
less than 10 years ago15.3879.8395.12
11-20 years ago5.41423.7629.15
21-30 years ago3.0185.6138.611
31-40 years ago1.9232.2214.215
41-50 years ago0.5450.8351.328
over 50 years ago3.6176.81210.410
total29.85120.52150.31
Eastern Juran/a..0.2710.271
less than 10 years ago3.01831.6434.63
11-20 years ago1.0316.3127.311
21-30 years ago0.4502.0232.420
31-40 years ago0.2711.0311.229
41-50 years ago0.1100..0.1100
over 50 years ago0.2710.6410.835
total5.01441.7346.72
Western Plateaun/a..0.3580.358
less than 10 years ago2.22227.2529.44
11-20 years ago1.1309.01010.29
21-30 years ago0.5453.0183.517
31-40 years ago..0.9330.933
41-50 years ago..0.6410.641
over 50 years ago1.2292.8194.016
total5.11444.0349.12
Central Plateaun/a..0.2710.271
less than 10 years ago7.21151.0358.22
11-20 years ago1.4264.7146.112
21-30 years ago0.3580.9331.229
31-40 years ago0.5450.5451.031
41-50 years ago......
over 50 years ago0.5451.0321.526
total9.9958.2268.12
Eastern Plateaun/a0.1100..0.1100
less than 10 years ago4.01685.3289.32
11-20 years ago0.73814.5815.28
21-30 years ago0.6411.8232.420
31-40 years ago0.2710.4500.641
41-50 years ago......
over 50 years ago0.11001.7241.823
total5.713103.72109.41
Western Pre-Alpsn/a......
less than 10 years ago11.286.41217.66
11-20 years ago8.3103.41711.78
21-30 years ago2.7192.3204.913
31-40 years ago2.1211.1303.217
41-50 years ago0.4500.3580.738
over 50 years ago2.5201.5264.015
total27.1414.9742.03
Central Pre-Alpsn/a0.5450.2710.738
less than 10 years ago29.6534.1563.73
11-20 years ago8.7107.71116.37
21-30 years ago3.0182.1225.114
31-40 years ago1.3281.7243.018
41-50 years ago0.8350.7381.526
over 50 years ago3.5174.7148.211
total47.3451.2398.42
Eastern Pre-Alpsn/a......
less than 10 years ago21.5623.1644.63
11-20 years ago7.1115.11412.38
21-30 years ago3.8161.2295.014
31-40 years ago2.0221.2293.217
41-50 years ago0.6410.6411.229
over 50 years ago2.0222.0224.016
total37.1433.3470.32
Northwestern Alpsn/a0.2710.11000.358
less than 10 years ago14.887.41122.26
11-20 years ago7.3114.21511.59
21-30 years ago4.2152.3216.512
31-40 years ago2.7191.3284.016
41-50 years ago0.9330.5451.426
over 50 years ago4.5153.3177.711
total34.6419.1753.73
Central Alpsn/a......
less than 10 years ago5.6133.4179.010
11-20 years ago2.2211.9234.115
21-30 years ago1.5250.6412.221
31-40 years ago0.6410.4501.031
41-50 years ago0.5440.5441.031
over 50 years ago3.1182.8195.912
total13.679.6923.25
Northeastern Alpsn/a......
less than 10 years ago8.1105.01413.18
11-20 years ago3.7160.7384.414
21-30 years ago2.0220.6412.619
31-40 years ago1.7240.4502.121
41-50 years ago0.8350.3581.130
over 50 years ago2.6192.4205.013
total18.869.3928.24
Southwestern Alpsn/a0.8350.4501.229
less than 10 years ago14.987.51122.46
11-20 years ago12.984.71417.67
21-30 years ago13.283.11816.37
31-40 years ago9.4102.02211.49
41-50 years ago3.4171.0324.415
over 50 years ago16.2710.31026.56
total70.7329.0599.72
Southeastern Alpsn/a0.11000.3580.450
less than 10 years ago30.8522.5653.24
11-20 years ago12.397.81120.17
21-30 years ago8.8104.31513.18
31-40 years ago6.0134.61510.69
41-50 years ago3.2182.1225.314
over 50 years ago11.7913.5825.26
total72.8355.14127.92
Southern Alpsn/a0.1100..0.1100
less than 10 years ago16.374.01620.37
11-20 years ago12.593.41715.88
21-30 years ago13.282.42015.68
31-40 years ago18.773.01821.66
41-50 years ago12.290.83513.08
over 50 years ago34.758.91043.64
total107.7222.46130.12
Switzerlandn/a1.8243.3175.114
less than 10 years ago184.52388.31572.81
11-20 years ago84.6397.03181.62
21-30 years ago57.2432.1689.33
31-40 years ago47.2420.8768.04
41-50 years ago23.568.21131.75
over 50 years ago86.3362.24148.52
total485.01612.011097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155940/142319
search result: 1 entry on 1 page

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