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NFI4
forest area
mean age of 100 largest trees · altitudinal vegetation zone (3 classes)
unit of reference: production region
unit: %
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) %± %± %± %± %± %±
n/asubalpine0.30.20.0.1.20.41.20.30.30.20.70.1
montane1.00.30.90.31.40.40.60.20.30.20.90.1
colline/submontane1.90.42.60.50.10.10.20.10.20.21.00.1
total3.20.53.50.52.70.52.00.30.80.32.50.2
up to 40subalpine0.30.20.0.1.80.41.80.30.80.31.00.1
montane3.60.67.60.75.30.74.00.53.50.74.90.3
colline/submontane4.10.612.90.91.20.41.10.33.40.74.40.3
total8.00.820.61.08.20.96.90.67.61.010.30.4
41 - 80subalpine0.80.30.0.3.00.55.00.52.40.62.50.2
montane10.71.08.70.815.51.110.00.718.21.511.90.4
colline/submontane10.81.023.91.22.90.52.70.418.51.510.50.4
total22.21.332.61.321.31.317.80.939.11.924.90.6
81 - 120subalpine2.90.50.20.15.90.79.70.73.80.85.10.3
montane27.11.411.80.927.31.413.00.812.11.317.90.5
colline/submontane13.21.021.61.23.90.63.10.47.01.09.40.4
total43.21.633.61.337.11.525.71.122.91.732.40.6
121 - 160subalpine3.60.60.40.28.10.815.40.96.51.07.70.4
montane12.91.13.50.614.21.19.70.77.71.19.60.4
colline/submontane3.80.64.90.61.90.40.60.22.00.62.50.2
total20.31.38.80.824.31.325.71.116.21.519.80.5
over 160subalpine1.70.40.40.23.90.617.80.99.01.17.60.3
montane1.20.40.20.12.10.54.00.53.60.72.30.2
colline/submontane0.20.10.30.20.20.10.10.10.80.40.30.1
total3.10.60.90.36.30.721.91.013.41.310.10.4
totalsubalpine9.60.91.00.323.91.250.91.222.61.624.50.5
montane56.41.632.81.465.81.541.21.245.41.947.40.7
colline/submontane33.91.466.31.410.21.07.90.631.91.628.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #817866/284197
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