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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.51.53.13.11.71.2
21-40%11.010.4....4.62.63.13.14.41.9
41-60%......19.74.99.55.213.73.2
61-80%22.213.9..62.517.127.25.518.76.926.74.1
over 80%66.715.7100.0.37.517.146.96.165.58.453.54.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.50.51.20.41.00.41.40.41.10.51.30.2
21-40%1.50.52.00.53.90.89.00.95.31.14.80.4
41-60%7.01.15.70.914.91.527.81.415.01.815.60.6
61-80%23.31.821.71.632.21.933.41.528.42.328.40.8
over 80%66.72.069.41.848.12.128.31.450.32.649.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.20.41.00.41.40.41.20.51.30.2
21-40%1.60.52.00.53.80.88.70.95.11.14.80.4
41-60%6.91.15.70.914.71.427.31.414.61.715.50.6
61-80%23.31.821.61.632.61.933.11.427.62.228.30.8
over 80%66.72.069.51.847.92.029.51.451.52.550.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164875/151257
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