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NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juran/a..1.10.31.10.3
less than 10 years ago51.38.063.61.363.31.3
11-20 years ago20.56.519.31.019.31.0
21-30 years ago15.45.85.50.65.70.6
31-40 years ago2.62.52.80.42.80.4
41-50 years ago..0.90.20.90.2
over 50 years ago10.24.86.90.76.90.7
total100.0.100.0.100.0.
Eastern Juran/a..0.40.30.40.3
less than 10 years ago..74.12.174.12.1
11-20 years ago..15.71.715.71.7
21-30 years ago..5.11.05.11.0
31-40 years ago..2.70.82.70.8
41-50 years ago..0.20.20.20.2
over 50 years ago..1.80.61.80.6
total..100.0.100.0.
Western Plateaun/a..0.60.40.60.4
less than 10 years ago..60.02.360.02.3
11-20 years ago..20.81.920.81.9
21-30 years ago..7.21.27.21.2
31-40 years ago..1.90.61.90.6
41-50 years ago..1.30.51.30.5
over 50 years ago..8.21.38.21.3
total..100.0.100.0.
Central Plateaun/a..0.30.20.30.2
less than 10 years ago48.735.385.51.385.41.3
11-20 years ago..9.11.19.01.1
21-30 years ago..1.70.51.70.5
31-40 years ago..1.40.41.40.4
41-50 years ago......
over 50 years ago51.335.32.00.52.10.5
total100.0.100.0.100.0.
Eastern Plateaun/a..0.10.10.10.1
less than 10 years ago..81.61.281.61.2
11-20 years ago..13.91.013.91.0
21-30 years ago..2.20.42.20.4
31-40 years ago..0.50.20.50.2
41-50 years ago......
over 50 years ago..1.60.41.60.4
total..100.0.100.0.
Western Pre-Alpsn/a......
less than 10 years ago47.87.441.22.541.92.4
11-20 years ago23.96.328.22.327.82.2
21-30 years ago8.74.212.11.711.81.6
31-40 years ago13.05.06.91.37.51.3
41-50 years ago..1.80.71.60.6
over 50 years ago6.63.79.81.59.41.4
total100.0.100.0.100.0.
Central Pre-Alpsn/a3.82.70.50.20.70.3
less than 10 years ago51.96.965.41.664.71.5
11-20 years ago19.25.516.41.216.61.2
21-30 years ago11.54.44.80.75.20.7
31-40 years ago5.83.22.90.53.00.5
41-50 years ago..1.60.41.50.4
over 50 years ago7.73.78.30.98.30.9
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a......
less than 10 years ago44.09.964.21.863.41.8
11-20 years ago36.09.616.71.417.41.4
21-30 years ago12.06.57.01.07.11.0
31-40 years ago..4.70.84.60.8
41-50 years ago..1.80.51.70.5
over 50 years ago8.05.45.60.95.70.9
total100.0.100.0.100.0.
Northwestern Alpsn/a0.90.90.50.30.60.3
less than 10 years ago49.64.839.22.441.42.1
11-20 years ago21.13.921.52.021.41.8
21-30 years ago10.12.912.71.612.11.4
31-40 years ago4.62.08.11.37.41.1
41-50 years ago0.90.93.10.92.70.7
over 50 years ago12.83.214.81.714.41.5
total100.0.100.0.100.0.
Central Alpsn/a......
less than 10 years ago26.85.942.93.838.93.2
11-20 years ago17.95.117.62.917.72.5
21-30 years ago17.95.16.51.99.31.9
31-40 years ago5.43.04.11.54.41.4
41-50 years ago5.43.04.11.54.41.4
over 50 years ago26.85.924.73.325.22.9
total100.0.100.0.100.0.
Northeastern Alpsn/a......
less than 10 years ago35.66.249.33.346.53.0
11-20 years ago25.45.712.92.215.52.1
21-30 years ago6.83.39.82.09.21.7
31-40 years ago13.64.55.81.67.41.6
41-50 years ago1.71.74.41.43.91.1
over 50 years ago16.94.917.82.617.62.3
total100.0.100.0.100.0.
Southwestern Alpsn/a0.40.41.40.41.20.3
less than 10 years ago22.72.622.41.522.51.3
11-20 years ago19.52.517.01.417.61.2
21-30 years ago19.92.515.21.316.31.2
31-40 years ago10.82.011.71.211.41.0
41-50 years ago4.41.34.40.74.40.6
over 50 years ago22.32.627.91.626.51.4
total100.0.100.0.100.0.
Southeastern Alpsn/a0.50.50.30.20.30.2
less than 10 years ago38.63.642.11.541.61.4
11-20 years ago15.82.715.71.115.71.0
21-30 years ago12.52.49.80.910.20.8
31-40 years ago7.11.98.50.88.30.8
41-50 years ago8.22.03.50.64.10.6
over 50 years ago17.42.820.11.219.71.1
total100.0.100.0.100.0.
Southern Alpsn/a0.70.7..0.10.1
less than 10 years ago13.82.915.81.115.61.0
11-20 years ago16.63.111.60.912.20.9
21-30 years ago12.42.712.00.912.00.9
31-40 years ago12.42.717.21.116.61.0
41-50 years ago12.42.79.70.910.00.8
over 50 years ago31.83.933.71.433.51.3
total100.0.100.0.100.0.
Switzerlandn/a0.60.30.50.10.50.1
less than 10 years ago33.11.554.10.552.20.4
11-20 years ago19.41.316.30.416.60.4
21-30 years ago13.91.17.60.38.10.3
31-40 years ago8.60.96.00.26.20.2
41-50 years ago5.00.72.70.22.90.2
over 50 years ago19.31.313.00.313.50.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155697/142076
search result: 1 entry on 1 page

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