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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 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/asubalpine0.9503.5242.4281.8331.6351.04511.213
montane4.2222.0312.2300.8501.0441.53511.913
colline/submontane10.0140.21000.21000.8500.0.0.85012.113
total15.1115.7184.8203.5242.7273.32435.17
up to 40subalpine1.0454.3213.2253.8235.7193.92221.99
montane24.789.01510.2134.7216.9168.91464.45
colline/submontane37.973.0260.9502.3301.6355.41951.16
total63.6516.31114.31110.71314.21118.210137.43
41 - 80subalpine1.63510.4134.9205.51910.3146.61739.27
montane41.0727.7818.91012.71210.81324.98136.14
colline/submontane74.953.8233.9225.4192.03123.48113.44
total117.4341.9627.7823.6823.1954.95288.72
81 - 120subalpine6.21815.1116.01812.81217.1107.21664.55
montane78.5445.5628.1710.51316.11016.710195.23
colline/submontane73.745.4197.0162.9262.8248.615100.54
total158.4366.0541.1626.2836.0732.57360.22
121 - 160subalpine8.11523.7910.21313.61123.3910.31389.24
montane33.4725.7818.296.31711.3139.913104.84
colline/submontane18.2102.5281.5351.2410.6582.52926.58
total59.7551.9529.8721.2935.1722.79220.43
over 160subalpine4.42112.7126.21725.7825.5812.81287.34
montane3.1266.4173.7232.9255.7184.42126.19
colline/submontane1.0450.4710.0.0.0.0.6581.2413.225
total8.51519.6109.91328.6731.8718.410116.64
totalsubalpine22.2969.7432.8763.3483.4441.76313.22
montane184.82116.3381.3337.9651.9566.44538.51
colline/submontane215.7215.41113.51112.7127.51541.95306.72
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 11.07.2020 #817884/284215
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