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NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow 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/a..0.271..0.358....0.545
less than 10 years ago13.297.3126.8126.2128.1116.41248.04
11-20 years ago4.0162.8192.4203.5173.3173.51719.57
21-30 years ago2.2212.2211.3284.0152.0224.11515.88
31-40 years ago1.0321.8240.6412.9180.8355.51312.79
41-50 years ago0.4500.11000.4500.7380.3582.1223.916
over 50 years ago1.8241.8231.1304.7142.3214.51516.18
total22.6716.2812.5922.3616.8726.06116.53
outside perimetern/a2.4200.835..0.9330.4500.11004.615
less than 10 years ago294.2196.4359.4316.2745.1413.98525.21
11-20 years ago63.6436.8518.1714.1816.8712.49161.62
21-30 years ago15.7814.388.41112.3911.1911.6973.34
31-40 years ago6.8128.3115.7138.5109.81016.1755.24
41-50 years ago1.6253.5172.9183.7165.01411.0927.76
over 50 years ago16.6818.0713.6821.8622.9639.15132.03
total400.91178.11108.0277.43111.12104.12979.61
totaln/a2.4201.032..1.2290.4500.11005.114
less than 10 years ago307.41103.7266.2322.4653.2420.37573.21
11-20 years ago67.6439.6520.5717.6720.1715.88181.12
21-30 years ago17.9716.589.71016.3713.1815.6889.13
31-40 years ago7.81110.1106.31211.4910.6921.6667.94
41-50 years ago2.0223.6173.3174.4155.31413.0831.65
over 50 years ago18.4719.8714.7826.5625.2643.64148.12
total423.51194.41120.6299.72127.92130.121096.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155862/142241
search result: 1 entry on 1 page

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