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NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago12.5176.1246.2238.2204.2284.62741.99
11-20 years ago4.3292.2415.2253.4313.9302.83521.813
21-30 years ago2.9352.9351.4502.4372.8352.53814.815
31-40 years ago0.7710.7712.4381.0582.5381.4508.820
41-50 years ago0.7710.7710.7712.1411.1581.1586.324
over 50 years ago3.2333.2331.0589.3192.53812.81632.010
total24.31215.91516.91326.41016.91425.211125.55
outside perimeterless than 10 years ago269.3276.5642.2816.11427.8109.918441.82
11-20 years ago76.2642.6823.61112.41624.3117.821186.84
21-30 years ago26.11121.31313.4167.22119.61311.01798.66
31-40 years ago15.01513.3168.1206.22314.01510.21866.97
41-50 years ago9.02011.9175.9248.3208.0208.42051.58
over 50 years ago10.01922.41219.51332.6930.11073.25187.84
total405.71187.92112.7382.74123.83120.631033.31
totalless than 10 years ago281.8282.6548.4724.41132.0914.515483.72
11-20 years ago80.5644.7828.81015.81428.11010.618208.64
21-30 years ago29.01124.21214.8159.61822.41213.416113.45
31-40 years ago15.71514.11610.5187.22116.51411.61775.67
41-50 years ago9.71912.6166.62210.3189.1199.51957.88
over 50 years ago13.21625.61120.61241.8832.6986.05219.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164656/151038
search result: 1 entry on 1 page

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