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NFI4
forest area
mean age of 100 largest trees · altitudinal vegetation zone (3 classes)
unit of reference: production 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
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
mean age of 100 largest treesaltitudinal vegetation zone (3 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/asubalpine0.6570.0.2.5283.9230.4717.417
montane1.9332.1312.8271.9330.4719.115
colline/submontane3.5245.7180.21000.6580.210010.214
total6.1177.8155.6196.4181.04426.78
up to 40subalpine0.6580.0.3.6245.7191.04410.914
montane6.91616.91010.81312.8124.32151.66
colline/submontane7.81628.772.4303.6234.22246.76
total15.31145.5516.81122.199.414109.14
41 - 80subalpine1.4380.0.6.01816.0112.92626.49
montane20.3919.31031.4832.0722.49125.54
colline/submontane20.6952.955.8198.81522.88111.04
total42.4672.2443.3656.8548.15262.82
81 - 120subalpine5.5190.47011.91230.984.72053.56
montane51.6526.1855.6541.4615.011189.63
colline/submontane25.1847.958.0169.8138.61599.44
total82.3474.5475.5482.1428.28342.52
121 - 160subalpine6.8170.85016.51049.267.91581.45
montane24.587.81628.9830.879.514101.64
colline/submontane7.21611.0133.9222.0322.52926.68
total38.6619.6949.4682.0419.99209.53
over 160subalpine3.3250.9448.01556.7511.01379.95
montane2.2300.4714.32112.7124.42124.19
colline/submontane0.4710.6580.4710.4711.0452.827
total5.9182.03112.81269.8516.410106.94
totalsubalpine18.4102.22948.65162.4327.98259.42
montane107.5372.64133.83131.6355.94501.51
colline/submontane64.64146.8220.8925.2839.35296.62
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 11.07.2020 #817890/284221
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