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NFI3

forest area: rockfall SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juraless than 10 years ago37.317.157.02.556.62.4
11-20 years ago12.912.017.31.917.31.9
21-30 years ago12.411.715.41.815.41.8
31-40 years ago..4.91.14.81.0
41-50 years ago24.915.32.50.82.90.8
over 50 years ago12.411.72.90.83.10.9
total100.0.100.0.100.0.
Eastern Juraless than 10 years ago100.0.66.24.366.54.3
11-20 years ago..17.03.516.83.4
21-30 years ago..9.32.79.32.7
31-40 years ago..3.31.63.21.6
41-50 years ago..3.41.73.41.7
over 50 years ago..0.80.80.80.8
total100.0.100.0.100.0.
Western Plateauless than 10 years ago..73.94.173.94.1
11-20 years ago..9.52.79.52.7
21-30 years ago..5.22.15.22.1
31-40 years ago..3.51.73.51.7
41-50 years ago..4.41.94.41.9
over 50 years ago..3.51.73.51.7
total..100.0.100.0.
Central Plateauless than 10 years ago..72.23.071.83.0
11-20 years ago100.0.17.32.617.72.6
21-30 years ago..7.81.87.81.8
31-40 years ago......
41-50 years ago......
over 50 years ago..2.71.12.71.1
total100.0.100.0.100.0.
Eastern Plateauless than 10 years ago..76.32.476.32.4
11-20 years ago..14.62.014.62.0
21-30 years ago..5.81.35.81.3
31-40 years ago..2.30.92.30.9
41-50 years ago..0.60.50.60.5
over 50 years ago..0.30.30.30.3
total..100.0.100.0.
Western Pre-Alpsless than 10 years ago100.0.49.04.849.54.8
11-20 years ago..14.53.414.43.3
21-30 years ago..10.02.99.92.8
31-40 years ago..11.83.111.73.1
41-50 years ago..5.52.25.42.2
over 50 years ago..9.12.89.02.7
total100.0.100.0.100.0.
Central Pre-Alpsless than 10 years ago..55.83.154.93.1
11-20 years ago50.025.017.72.418.22.4
21-30 years ago..11.22.011.01.9
31-40 years ago..6.51.56.41.5
41-50 years ago..1.90.91.90.8
over 50 years ago50.025.06.91.67.61.6
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 10 years ago..51.63.650.83.6
11-20 years ago33.327.319.52.919.72.9
21-30 years ago33.327.311.62.311.92.3
31-40 years ago33.327.34.71.55.21.6
41-50 years ago..3.71.43.61.3
over 50 years ago..8.92.18.82.0
total100.0.100.0.100.0.
Northwestern Alpsless than 10 years ago16.710.834.14.032.73.8
11-20 years ago25.012.521.33.521.63.3
21-30 years ago25.012.59.22.410.42.5
31-40 years ago..10.62.69.82.4
41-50 years ago8.38.07.82.37.82.2
over 50 years ago25.012.517.03.217.73.1
total100.0.100.0.100.0.
Central Alpsless than 10 years ago50.015.933.36.435.96.0
11-20 years ago20.012.714.94.915.74.6
21-30 years ago..5.53.14.72.6
31-40 years ago10.09.513.14.612.64.2
41-50 years ago10.09.57.43.67.83.4
over 50 years ago10.09.525.86.023.35.3
total100.0.100.0.100.0.
Northeastern Alpsless than 10 years ago22.213.939.55.837.55.4
11-20 years ago33.315.819.74.721.34.6
21-30 years ago22.213.911.33.812.53.7
31-40 years ago..8.43.37.53.0
41-50 years ago11.110.55.62.76.22.7
over 50 years ago11.110.515.54.315.04.0
total100.0.100.0.100.0.
Southwestern Alpsless than 10 years ago20.88.326.12.825.72.6
11-20 years ago12.56.712.42.112.42.0
21-30 years ago4.24.16.81.66.61.5
31-40 years ago4.44.36.41.66.21.5
41-50 years ago29.19.39.71.911.41.9
over 50 years ago29.19.338.53.137.72.9
total100.0.100.0.100.0.
Southeastern Alpsless than 10 years ago16.715.230.42.530.12.5
11-20 years ago33.319.321.02.221.22.2
21-30 years ago..11.41.711.21.7
31-40 years ago33.319.38.41.58.91.5
41-50 years ago..5.11.25.01.2
over 50 years ago16.715.223.72.323.62.3
total100.0.100.0.100.0.
Southern Alpsless than 10 years ago17.47.111.71.812.21.8
11-20 years ago6.94.77.11.57.11.4
21-30 years ago6.94.76.81.46.81.4
31-40 years ago6.94.75.81.35.91.3
41-50 years ago3.43.49.11.68.61.5
over 50 years ago58.59.259.42.859.32.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago23.24.148.10.947.20.9
11-20 years ago18.53.715.90.716.00.7
21-30 years ago9.32.89.60.59.60.5
31-40 years ago6.52.45.70.45.70.4
41-50 years ago11.93.14.40.44.70.4
over 50 years ago30.54.416.30.616.80.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160347/146726
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