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NFI4
forest area
mean age of 100 largest trees · altitudinal vegetation zone (3 classes)
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 treesaltitudinal vegetation zone (3 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/asubalpine0.6582.7272.0310.8500.8500.4717.317
montane4.0232.0311.6350.6570.4710.4719.115
colline/submontane9.2140.21000.0.0.6570.0.0.210010.314
total13.8114.9203.6232.1311.2411.04426.68
up to 40subalpine0.6583.7232.0311.5382.0311.04410.814
montane23.997.6168.6153.6233.7234.32151.76
colline/submontane36.972.3300.9501.5381.4384.22247.26
total61.4513.61211.4136.6177.2169.414109.64
41 - 80subalpine1.4388.0153.7234.3216.2182.92626.49
montane39.6726.2817.11010.7139.71422.49125.74
colline/submontane73.553.8233.5245.2192.03122.88110.84
total114.5338.0724.2820.2917.81048.15262.92
81 - 120subalpine5.81813.3125.02011.01313.5124.72053.46
montane77.7444.1626.8710.31315.31115.011189.13
colline/submontane72.955.4196.8162.5272.8248.61599.04
total156.4362.8538.6623.8831.6728.28341.52
121 - 160subalpine7.51621.299.21413.01122.497.91581.45
montane32.4725.3817.696.31710.9139.514102.04
colline/submontane18.2102.5281.5351.2410.6582.52926.58
total58.1549.1628.3720.6933.9719.99209.83
over 160subalpine4.22111.5136.01723.1823.7811.01379.55
montane2.7286.0183.1252.7265.5184.42124.39
colline/submontane1.0450.4710.0.0.0.0.4711.0452.827
total7.81618.0109.11425.7729.6716.410106.64
totalsubalpine20.2960.4527.8753.7568.7427.98258.72
montane180.13111.3374.8434.3645.4555.94501.81
colline/submontane211.8214.71112.61111.0137.21539.35296.62
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 11.07.2020 #817883/284214
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