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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
grid: terrestrial grid NFI3
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 ago36.911.154.11.753.71.7
11-20 years ago15.88.418.51.318.51.3
21-30 years ago10.57.015.51.215.31.2
31-40 years ago15.88.44.80.75.00.7
41-50 years ago10.57.01.70.41.90.5
over 50 years ago10.57.05.50.85.60.8
total100.0.100.0.100.0.
Eastern Juraless than 10 years ago100.0.63.73.063.83.0
11-20 years ago..18.22.518.12.5
21-30 years ago..9.91.99.91.9
31-40 years ago..2.81.12.81.1
41-50 years ago..4.51.34.51.3
over 50 years ago..0.80.60.80.6
total100.0.100.0.100.0.
Western Plateauless than 10 years ago..68.72.968.72.9
11-20 years ago..13.62.113.62.1
21-30 years ago..8.31.78.31.7
31-40 years ago..3.01.13.01.1
41-50 years ago..3.01.13.01.1
over 50 years ago..3.41.13.41.1
total..100.0.100.0.
Central Plateauless than 10 years ago..72.52.272.42.2
11-20 years ago100.0.16.31.816.51.8
21-30 years ago..7.81.37.81.3
31-40 years ago..1.50.61.50.6
41-50 years ago..0.20.20.20.2
over 50 years ago..1.70.61.70.6
total100.0.100.0.100.0.
Eastern Plateauless than 10 years ago..77.31.777.31.7
11-20 years ago..13.61.413.61.4
21-30 years ago..5.70.95.70.9
31-40 years ago..2.00.62.00.6
41-50 years ago..0.80.40.80.4
over 50 years ago..0.60.30.60.3
total..100.0.100.0.
Western Pre-Alpsless than 10 years ago100.0.42.73.243.23.2
11-20 years ago..19.52.519.32.5
21-30 years ago..10.62.010.51.9
31-40 years ago..10.21.910.11.9
41-50 years ago..6.11.56.11.5
over 50 years ago..11.02.010.92.0
total100.0.100.0.100.0.
Central Pre-Alpsless than 10 years ago12.511.755.92.155.32.1
11-20 years ago37.517.115.31.515.61.5
21-30 years ago12.511.710.81.310.91.3
31-40 years ago..5.91.05.81.0
41-50 years ago..2.60.72.50.7
over 50 years ago37.517.19.61.310.01.3
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 10 years ago..48.02.447.62.4
11-20 years ago33.327.218.91.919.01.9
21-30 years ago33.327.213.41.713.61.7
31-40 years ago33.327.26.21.26.41.2
41-50 years ago..3.40.93.30.9
over 50 years ago..10.11.510.01.5
total100.0.100.0.100.0.
Northwestern Alpsless than 10 years ago27.710.627.72.527.72.4
11-20 years ago22.29.821.52.321.52.2
21-30 years ago22.29.812.51.813.01.8
31-40 years ago..11.21.810.61.7
41-50 years ago5.65.47.81.57.71.4
over 50 years ago22.29.819.32.219.52.2
total100.0.100.0.100.0.
Central Alpsless than 10 years ago47.411.539.14.340.24.1
11-20 years ago15.88.416.43.316.33.1
21-30 years ago..5.52.04.81.8
31-40 years ago26.310.110.22.712.32.7
41-50 years ago5.35.16.22.16.12.0
over 50 years ago5.35.122.63.720.33.3
total100.0.100.0.100.0.
Northeastern Alpsless than 10 years ago35.311.634.73.734.83.6
11-20 years ago23.510.317.93.018.42.9
21-30 years ago23.510.312.32.613.42.5
31-40 years ago..7.42.16.71.9
41-50 years ago5.95.76.11.96.11.8
over 50 years ago11.87.821.63.220.63.0
total100.0.100.0.100.0.
Southwestern Alpsless than 10 years ago13.15.521.31.720.91.6
11-20 years ago13.15.512.21.312.31.3
21-30 years ago10.55.011.41.311.41.2
31-40 years ago8.04.49.81.29.71.2
41-50 years ago23.66.99.91.210.71.2
over 50 years ago31.57.535.31.935.11.9
total100.0.100.0.100.0.
Southeastern Alpsless than 10 years ago13.77.428.71.628.31.6
11-20 years ago27.19.520.01.420.21.4
21-30 years ago4.54.415.01.314.71.2
31-40 years ago18.28.27.50.97.80.9
41-50 years ago4.54.44.30.74.30.7
over 50 years ago31.910.024.41.524.61.5
total100.0.100.0.100.0.
Southern Alpsless than 10 years ago11.24.011.81.111.71.1
11-20 years ago3.22.28.11.07.80.9
21-30 years ago8.03.411.01.110.81.1
31-40 years ago6.43.17.70.97.60.9
41-50 years ago6.43.18.01.07.80.9
over 50 years ago64.96.053.41.854.21.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago22.12.944.40.643.70.6
11-20 years ago15.12.515.90.515.80.4
21-30 years ago10.32.111.40.411.30.4
31-40 years ago9.62.06.20.36.30.3
41-50 years ago8.91.94.40.34.60.3
over 50 years ago33.93.217.80.418.30.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158781/145160
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