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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%....3.9301.4502.1410.7718.121
1-4%....5.3266.8222.8355.02620.013
5-9%1.845..7.8214.1281.8442.14117.614
10-25%1.158..13.1167.9204.6273.63130.211
26-50%0.4100..4.3292.7352.1412.93512.317
51-75%0.4100..2.538..1.450..4.329
76-100%1.158..2.1410.3100..0.41003.930
total4.727..39.0923.31114.81514.61596.46
outside perimeter< 1%5.4268.82015.3154.4277.4219.31950.68
1-4%15.11516.61444.5814.11523.31127.710141.35
5-9%23.81222.31247.6817.11316.91434.29161.94
10-25%45.0859.8798.4521.21232.0936.69293.03
26-50%37.1956.2757.0712.71614.51518.813196.24
51-75%30.31046.3827.2113.8305.6256.323119.45
76-100%32.41047.0816.0151.0581.4502.538100.46
total189.22257.11305.9274.34101.13135.431062.91
total< 1%5.4268.82019.2135.8249.51910.01858.78
1-4%15.11516.61449.8820.91226.11032.79161.34
5-9%25.61122.31255.4721.21218.71336.49179.64
10-25%46.1859.87111.5529.1936.6840.28323.23
26-50%37.5956.2761.2715.41416.61421.612208.54
51-75%30.61046.3829.7113.8307.0226.323123.75
76-100%33.5947.0818.2141.4501.4502.835104.35
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164935/151317
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