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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 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/asubalpine0.9490.0.3.1256.3181.04511.213
montane2.1312.1312.8273.3251.53511.913
colline/submontane3.5246.5170.21001.0450.85012.013
total6.5178.6146.21810.6143.32435.27
up to 40subalpine1.0450.0.4.02213.0123.92221.99
montane7.31617.31012.01318.8108.91464.35
colline/submontane8.41529.072.4305.2195.41950.56
total16.71046.3518.41037.1718.210136.73
41 - 80subalpine1.6350.0.7.91623.196.61739.27
montane21.4919.71032.9737.0724.98135.94
colline/submontane20.8954.155.8199.41423.48113.54
total43.8673.8446.6669.4554.95288.62
81 - 120subalpine6.0180.47013.01238.177.21664.65
montane52.1526.5856.6544.0616.710195.83
colline/submontane25.5848.358.01610.4138.615100.84
total83.5475.3477.5492.5432.57361.22
121 - 160subalpine7.5160.85018.61052.0610.31389.24
montane25.488.01529.9731.279.913104.44
colline/submontane7.21611.0133.9222.0322.52926.68
total40.1619.8952.4585.2422.79220.13
over 160subalpine3.5240.9448.41562.1512.81287.74
montane2.7280.4715.11913.3124.42125.99
colline/submontane0.4710.6580.4710.6581.2413.225
total6.5172.03113.91176.0518.410116.84
totalsubalpine20.492.22955.05194.6241.76313.92
montane110.9374.04139.32147.6366.44538.21
colline/submontane65.84149.5220.8928.6841.95306.62
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 11.07.2020 #817891/284222
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