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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · 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
rockfall SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....0.41000.4100..1.158
pure conifer forest0.7711.1583.1335.1252.5382.53815.015
mixed conifer forest0.7711.4501.0580.7710.41000.7714.927
mixed broadleaf forest0.41001.4500.7710.3100..0.41003.233
pure broadleaf forest1.4502.5383.1331.744..7.82116.614
total3.6326.5237.9208.2203.23311.41740.89
outside perimetern/a2.9354.3292.4382.4383.9301.84517.714
pure conifer forest103.05102.1548.1772.05108.4348.97482.52
mixed conifer forest106.6542.9830.2106.2238.4209.019203.34
mixed broadleaf forest83.0622.71216.9136.2237.4219.219145.45
pure broadleaf forest130.9425.21124.11114.1159.51965.46269.33
total426.41197.32121.73100.93137.52134.431118.11
totaln/a3.2334.3292.4382.8354.2281.84518.714
pure conifer forest103.75103.1451.2777.24110.8351.47497.52
mixed conifer forest107.3544.4831.2106.9228.7209.818208.24
mixed broadleaf forest83.4624.21217.6136.5227.4219.619148.65
pure broadleaf forest132.3427.81127.21015.8149.51973.25285.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164918/151300
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