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NFI1–NFI4b
Volume (change): rockfall SilvaProtect · main tree species · protection forest region
unit: m³/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
change 1983/85–2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtectmain tree species m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± %
n/aspruce-28.323-5.228944.444-8.917039.43429.236-11.046
fir11.0303.029418.9322.1632.5638.9709.426
pine-6.0231.5810.31010.9655-2.12040.599-3.627
larch-0.23080.61000.78532.8369.35421.8282.728
stone pine......3.3991.12940.3990.2135
other conifers2.4380.1880.01000.2730.546..1.637
beech10.2343.017522.025-2.592-3.61157.4488.428
maple3.5238.3286.4361.1920.7770.3704.016
ash8.9184.84512.1322.3650.6845.1637.515
oak2.2550.8520.7642.2480.51001.2811.745
chestnut0.0820.1100......-4.4211-0.1261
other broadleaves1.8662.51382.4105-1.24283.68310.5662.244
total5.516919.6107107.92132.36952.43280.82222.931
inside perimeterspruce2.6667-87.87926.318021.49020.114021.7503.0542
fir-21.97314.75217.8632.79817.7610.9985.758
pine-13.884-0.24535.3935.85710.7152..1.6125
larch..-9.7127..16.6541.19111.1555.166
stone pine..-2.197..0.3690.391..-0.3135
other conifers....0.4119......0.1121
beech56.943-1.1341910.31730.927811.0915.0629.483
maple-7.3761.32435.174-0.5179..2.7601.2104
ash-0.77279.41107.8943.672..14.3777.750
oak2.8951.397-4.598-1.098..0.498-0.5184
chestnut......0.11234..11.5943.195
other broadleaves-2.61254.2794.31463.6184..30.54410.442
total16.1252-70.012072.97453.54260.94798.22146.443
outside perimeterspruce-6.911217.771-20.28133.4305.630827.42811.843
fir18.64219.83313.4574.0773.0372.210010.221
pine-0.06573-1.657-1.6682.3123-1.1136-1.092-0.792
larch0.1141-0.7122-1.313424.3296.44912.0206.719
stone pine......2.9461.169..0.638
other conifers0.4790.386-0.492-0.13470.2670.51000.274
beech24.63414.13312.8487.6322.35922.41714.114
maple4.0576.0256.4352.7321.5531.9353.816
ash10.9352.9489.3271.3560.31222.7364.117
oak-0.71640.21240.016351.0650.61002.8320.835
chestnut......0.11000.110014.3263.026
other broadleaves-0.63912.156-1.41273.5354.14010.1253.522
total50.43260.92717.012983.01724.07495.31058.111
totalspruce-25.4234.42168.115122.93420.35527.222-1.1333
fir11.72612.44215.9313.4623.1313.1629.617
pine-5.323-0.2296-0.41682.3103-1.3152-0.7101-2.227
larch-0.1348-0.4156-0.423025.5227.53713.4164.415
stone pine..-0.1100..2.7421.11310.01000.453
other conifers2.1380.273-0.21200.020310.3380.41000.934
beech12.3268.84116.2264.737-0.1361918.71610.814
maple3.5226.9196.3252.1321.1441.7313.811
ash9.1163.93210.3201.8380.4714.1326.111
oak1.8580.546-0.0210451.1470.6732.3301.235
chestnut0.0820.0100..0.11450.010011.2301.329
other broadleaves1.4732.4690.53212.4633.84111.9213.021
total11.17638.83356.22769.11636.83393.3938.313

difference, calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 05.01.2015 #178413/164832
search result: 1 entry on 1 page

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