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NFI3–NFI4
yield
rockfall SilvaProtect · main tree species
unit of reference: protection forest region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/06–2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain tree species %/yr± %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aspruce46.41.960.55.461.86.151.220.969.35.531.018.749.71.7
fir18.11.529.54.719.94.74.55.02.71.80.0.18.81.4
pine3.20.60.30.30.0.19.218.09.24.20.0.3.00.5
larch0.90.40.10.10.0.14.47.56.12.00.40.41.00.3
stone pine0.0.0.0.0.0.0.0.5.03.60.0.0.20.1
other conifers0.60.30.0.0.0.0.0.0.0.0.0.0.50.2
beech19.01.37.62.212.74.10.0.3.41.70.0.16.61.1
maple2.20.30.30.21.00.70.0.0.0.3.42.41.80.3
ash4.20.60.60.43.41.80.0.0.10.26.15.43.60.5
oak2.90.50.00.00.0.1.00.90.0.6.35.82.30.4
chestnut0.00.00.0.0.0.0.0.0.0.23.213.40.10.1
other broadleaves2.40.41.20.71.30.79.710.14.22.729.711.52.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterspruce44.620.80.0.41.918.34.53.385.617.416.717.934.110.0
fir0.0.0.0.10.08.932.517.30.0.0.0.10.45.8
pine0.0.0.0.0.0.0.0.14.417.40.0.1.11.1
larch0.0.0.0.5.05.244.916.60.0.0.0.11.15.6
stone pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech42.427.9100.0.39.721.07.85.60.0.0.0.30.411.5
maple7.75.40.0.0.0.3.53.40.0.0.0.2.51.8
ash4.93.40.0.3.42.50.80.80.0.0.0.2.51.3
oak0.0.0.0.0.0.0.0.0.0.0.0.0.0.
chestnut0.0.0.0.0.0.0.0.0.0.81.718.26.45.1
other broadleaves0.40.30.0.0.0.5.95.20.0.1.61.71.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterspruce29.14.949.94.858.96.154.610.481.56.153.913.250.62.8
fir26.84.831.94.514.03.65.63.10.0.2.01.421.12.3
pine1.00.51.00.70.20.212.56.12.92.03.53.51.60.5
larch0.70.60.80.81.20.925.28.414.55.59.36.13.70.9
stone pine0.0.0.0.0.0.0.40.40.50.50.0.0.10.0
other conifers0.20.20.0.0.0.0.0.0.0.0.0.0.00.0
beech33.74.813.33.419.75.60.30.30.0.0.30.316.92.2
maple3.01.10.50.32.20.80.70.70.0.1.81.61.50.3
ash5.01.41.50.81.71.00.0.0.40.41.00.72.10.5
oak0.20.20.0.0.20.20.50.50.0.4.73.70.30.2
chestnut0.0.0.0.0.0.0.0.0.0.8.05.00.40.2
other broadleaves0.40.21.10.81.91.00.40.30.20.215.57.21.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalspruce44.71.854.63.759.24.345.88.975.34.246.211.249.71.5
fir18.91.530.73.316.12.810.04.41.41.01.41.019.31.1
pine3.00.50.60.40.10.111.24.96.42.32.52.52.60.4
larch0.90.30.50.40.90.627.26.99.92.76.74.31.90.3
stone pine0.0.0.0.0.0.0.30.32.81.90.0.0.20.1
other conifers0.50.30.0.0.0.0.0.0.0.0.0.0.30.2
beech20.61.311.02.117.93.81.51.11.70.90.20.216.91.0
maple2.30.30.40.21.60.51.10.80.0.2.01.31.70.2
ash4.30.51.10.52.40.90.10.10.30.22.01.33.20.4
oak2.60.50.00.00.10.10.40.40.0.4.72.91.70.3
chestnut0.00.00.0.0.0.0.0.0.0.16.56.50.30.1
other broadleaves2.20.41.10.51.50.62.41.52.31.417.75.92.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #840795/307126
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