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NFI3

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches 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 perimeterless than 10 years ago1.338..13.9114.9184.9190.75025.78
11-20 years ago1.435..8.0153.1233.7221.23817.510
21-30 years ago1.141..4.6202.4261.8312.52712.312
31-40 years ago0.2100..5.2182.1291.6331.83110.713
41-50 years ago0.2100..2.9252.0290.5581.6337.216
over 50 years ago0.558..5.5187.1154.0217.61524.98
total4.719..40.1621.6816.51015.41098.34
outside perimeterless than 10 years ago105.43191.52130.0313.81127.4717.89485.91
11-20 years ago35.3736.1757.158.71420.1911.212168.63
21-30 years ago27.3817.91036.278.71415.91014.811120.94
31-40 years ago8.7145.21825.087.1157.31510.01363.35
41-50 years ago4.5202.72615.3118.5144.91910.11346.16
over 50 years ago9.0143.22345.6630.1725.9876.34190.23
total190.31256.61309.3177.03101.62140.121075.01
totalless than 10 years ago106.73191.52143.9318.8932.3618.59511.61
11-20 years ago36.7636.1765.1511.81223.8812.412186.03
21-30 years ago28.4717.91040.9611.11217.7917.210133.23
31-40 years ago8.9145.21830.279.2138.91411.71274.15
41-50 years ago4.7192.72618.21010.6125.41811.71253.36
over 50 years ago9.6133.22351.1637.3629.9783.93215.12
total195.01256.61349.4198.72118.12155.521173.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158712/145091
search result: 1 entry on 1 page

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