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NFI4b

forest area: rockfall 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
rockfall 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%....1.845..0.4100..2.141
1-4%....0.7711.0580.7713.2335.725
5-9%1.450..2.1413.4310.41002.5389.919
10-25%1.450..5.0271.4501.1583.93012.817
26-50%..0.41001.8451.7440.41001.8456.024
51-75%0.41000.41001.8450.771....3.233
76-100%....1.158....0.41001.450
total3.2330.77114.2168.2202.83511.81741.09
outside perimeter< 1%5.4268.82017.4145.8249.21910.01856.68
1-4%15.11516.61449.1819.91225.41129.510155.74
5-9%24.11222.31253.3817.81318.41333.99169.74
10-25%44.7859.87106.5527.71035.5936.29310.53
26-50%37.5955.9759.4713.71516.21419.813202.54
51-75%30.31046.0827.9113.1337.0226.323120.55
76-100%33.5947.0817.1141.4501.4502.538102.95
total190.61256.41330.7189.43113.13138.231118.41
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 #165125/151507
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