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NFI4
forest area
mean age of 100 largest trees · predominant tree species
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
mean age of 100 largest treespredominant tree species1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a13.8114.9203.6232.1311.2411.04426.68
spruce0.0.0.0.0.0.0.0.0.0.0.0.0.0.
fir0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
larch0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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.
beech0.0.0.0.0.0.0.0.0.0.0.0.0.0.
maple0.0.0.0.0.0.0.0.0.0.0.0.0.0.
ash0.0.0.0.0.0.0.0.0.0.0.0.0.0.
oak0.0.0.0.0.0.0.0.0.0.0.0.0.0.
chestnut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total13.8114.9203.6232.1311.2411.04426.68
up to 40n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce19.7105.1204.5211.1442.6270.85033.77
fir7.1161.2411.0440.21000.21000.0.9.814
pine1.8330.21000.0.0.6570.21000.0.2.927
larch1.4380.6580.21001.5380.8500.4714.920
stone pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.6580.0.0.0.0.0.0.0.0.0.0.658
beech11.9121.7351.3410.21000.21000.85016.111
maple6.4172.0311.4370.6580.21000.65811.213
ash4.8200.6581.0450.8500.6581.0458.815
oak2.0320.0.0.0.0.0.0.0.0.0.2.032
chestnut0.0.0.0.0.0.0.0.0.0.1.4381.438
other broadleaves5.7182.1312.0321.6352.4294.52118.310
total61.4513.61211.4136.6177.2169.414109.64
41 - 80n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce30.5817.41011.5134.5219.7143.92277.65
fir14.9118.1161.8330.6580.21000.65826.39
pine3.9220.6580.21003.3251.4380.21009.714
larch1.4380.4710.0.3.0252.6272.3299.814
stone pine0.0.0.0.0.0.0.0.0.21000.0.0.2100
other conifers1.0450.0.0.0.0.0.0.0.0.0.1.045
beech35.776.2185.5191.4341.04510.01459.96
maple6.0182.5292.7280.4710.6571.63513.912
ash9.8141.3411.8330.8500.9453.12517.710
oak5.0190.4710.0.2.1310.0.2.0319.514
chestnut0.21000.0.0.0.0.21000.0.10.31310.613
other broadleaves6.0181.0450.7583.8221.14114.11126.78
total114.5338.0724.2820.2917.81048.15262.92
81 - 120n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce38.6728.9818.31011.01319.1105.319121.34
fir27.4815.1116.4171.5352.0311.24153.56
pine5.3190.6581.1442.4293.3240.47113.112
larch1.0450.0.0.4715.3193.8224.02214.611
stone pine0.0.0.0.0.0.0.6580.8500.0.1.438
other conifers1.2410.0.0.0.0.0.0.0.0.0.1.241
beech65.5515.2119.7131.3382.1318.815102.64
maple3.3241.0450.6580.21000.0.0.0.5.120
ash5.5190.7582.0300.6580.21000.4709.414
oak5.7180.5700.21000.4710.21001.0448.016
chestnut0.0.0.0.0.0.0.4710.0.6.3176.617
other broadleaves2.9260.9500.0.0.21000.0.0.8504.820
total156.4362.8538.6623.8831.6728.28341.52
121 - 160n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce20.61033.6717.21010.31323.888.615114.14
fir18.7109.5145.5180.8500.4711.43736.27
pine1.1410.6580.8502.1313.2250.21008.016
larch0.0.0.0.0.4715.8184.0224.32114.511
stone pine0.0.0.21000.0.1.2411.5350.21003.125
other conifers0.21000.0.0.21000.0.0.21000.0.0.658
beech14.7115.2193.6220.0.0.4712.82726.68
maple0.4710.0.0.4700.0.0.0.0.0.0.850
ash0.4710.0.0.21000.0.0.0.0.0.0.658
oak2.0320.0.0.0.0.21000.4710.4713.026
chestnut0.0.0.0.0.0.0.0.0.0.1.9331.933
other broadleaves0.0.0.0.0.0.0.21000.0.0.21000.471
total58.1549.1628.3720.6933.9719.99209.83
over 160n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
spruce5.21914.0118.31510.91219.898.21566.45
fir1.6352.7270.4710.8500.21001.2416.817
pine0.0.0.6580.0.0.8501.2410.21002.827
larch0.0.0.0.0.0.11.3124.5215.31921.09
stone pine0.0.0.0.0.21002.0313.9220.0.6.118
other conifers0.0.0.0.0.0.0.0.0.0.0.0.0.0.
beech0.8500.4710.21000.0.0.0.0.6582.132
maple0.0.0.21000.0.0.0.0.0.0.0.0.2100
ash0.0.0.0.0.0.0.0.0.0.0.0.0.0.
oak0.21000.0.0.0.0.0.0.0.0.0.0.2100
chestnut0.0.0.0.0.0.0.0.0.0.1.0451.045
other broadleaves0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total7.81618.0109.11425.7729.6716.410106.64
totaln/a13.8114.9203.6232.1311.2411.04426.68
spruce114.6499.1359.7537.8675.0426.98413.12
fir69.8536.6715.1113.8223.0254.321132.74
pine12.1122.7282.1319.3149.4141.04536.57
larch3.8231.0451.04526.9815.81116.31064.85
stone pine0.0.0.21000.21003.8226.4170.210010.813
other conifers3.0260.0.0.21000.0.0.21000.0.3.424
beech128.7328.7820.393.0243.62322.98207.23
maple16.2115.8195.1201.2410.8502.23031.28
ash20.6102.5295.1192.1301.7334.52136.57
oak14.8110.9500.21002.7270.6583.42422.69
chestnut0.21000.0.0.0.0.5570.0.20.8921.59
other broadleaves14.6114.0232.7285.8183.52319.6950.26
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 11.07.2020 #817849/284180
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