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NFI3

forest area: rockfall 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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall 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 ago1.450..3.5311.7440.41001.8458.820
11-20 years ago0.41000.41003.9301.0580.7710.7717.122
21-30 years ago0.41000.41001.8450.3100..0.7713.532
31-40 years ago....0.7710.41000.7710.7712.538
41-50 years ago0.771..1.1582.437..0.41004.528
over 50 years ago0.4100..2.5382.4370.41006.12411.617
total3.2330.77113.5168.2202.14110.31838.19
outside perimeterless than 10 years ago105.54193.42132.1418.51327.91013.516491.02
11-20 years ago33.51035.0956.579.21820.5128.220162.94
21-30 years ago27.71114.51532.7105.52410.6187.52198.56
31-40 years ago9.0203.53128.4114.4276.0246.72358.18
41-50 years ago4.7273.23314.9156.9225.32510.01844.99
over 50 years ago5.4263.53136.6931.8924.31166.26167.94
total185.92253.21301.1276.4494.63112.131023.21
totalless than 10 years ago107.04193.42135.6420.21228.31015.315499.92
11-20 years ago33.9935.4960.4710.31721.2128.919169.94
21-30 years ago28.11114.91534.5105.82410.6188.220102.06
31-40 years ago9.0203.53129.1114.8266.7227.42160.67
41-50 years ago5.4263.23316.0159.3195.32510.31849.48
over 50 years ago5.8253.53139.1934.2824.71172.25179.54
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160207/146586
search result: 1 entry on 1 page

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