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NFI2

forest area: avalanches 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: terrestrial grid NFI2
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches 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 perimetern/a0.471..4.3202.5261.0411.6339.813
less than 10 years ago2.229..12.2124.1204.4201.63324.48
11-20 years ago0.945..8.5143.2232.8251.63317.010
21-30 years ago0.471..5.7182.2281.9301.63311.712
31-40 years ago0.471..2.3283.4221.7311.1418.814
41-50 years ago....1.9301.4350.3710.7504.420
over 50 years ago0.471..3.5224.7192.6265.71716.910
total4.520..38.4621.5814.81013.81193.04
outside perimetern/a20.6930.0741.169.51312.41114.511128.14
less than 10 years ago90.63154.92104.9411.51226.7713.311401.82
11-20 years ago45.6650.5564.459.21320.2913.111203.03
21-30 years ago15.81011.51231.178.8138.2149.91385.34
31-40 years ago7.4153.52216.1107.8145.91711.81252.66
41-50 years ago2.5272.12911.0137.1153.82117.11043.76
over 50 years ago6.6164.12131.0717.3918.3946.25123.53
total189.21256.61299.6171.2395.53126.021038.11
totaln/a21.0930.0745.3612.11113.41116.110137.93
less than 10 years ago92.73154.92117.1315.61031.0714.910426.22
11-20 years ago46.5650.5572.9412.41123.0814.711220.03
21-30 years ago16.21011.51236.8711.01210.11311.51297.14
31-40 years ago7.7153.52218.41011.2127.71512.91161.45
41-50 years ago2.5272.12912.9128.5144.22017.9948.06
over 50 years ago7.0164.12134.5722.0820.9951.95140.43
total193.61256.61338.0192.72110.42139.821131.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157434/143813
search result: 1 entry on 1 page

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