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NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-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 ago9.7194.22912.8167.2214.2285.02643.29
11-20 years ago3.6311.1588.2213.1333.5312.83522.312
21-30 years ago2.935..4.6282.1412.5372.83514.915
31-40 years ago0.7710.41003.5310.7712.1411.4508.820
41-50 years ago0.41000.41001.8451.7440.7711.4506.324
over 50 years ago2.9350.7714.3298.9192.53713.21632.410
total20.2136.72335.11023.61115.61426.711127.95
outside perimeterless than 10 years ago91.95192.42114.4514.01524.11111.017447.92
11-20 years ago44.0835.7973.3611.01718.4138.620190.94
21-30 years ago15.51512.71640.497.22117.91312.017105.86
31-40 years ago11.2184.62825.0126.22310.91711.61769.47
41-50 years ago6.5232.53822.2127.6216.3238.82053.98
over 50 years ago6.8233.93049.7831.8929.91079.35201.44
total175.92251.81324.9277.94107.53131.331069.31
totalless than 10 years ago101.64196.62127.2421.21228.31016.114491.02
11-20 years ago47.6836.8981.4614.01521.91211.417213.14
21-30 years ago18.41312.71645.099.31920.41214.915120.75
31-40 years ago11.9175.02728.5116.92213.01613.01678.37
41-50 years ago6.9232.83523.9129.3197.02210.21860.27
over 50 years ago9.7194.62853.9840.7832.3992.55233.83
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161644/148023
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