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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/asubalpine10.65.80.0.45.29.661.18.839.721.927.83.9
montane31.38.726.97.351.09.629.28.239.721.933.94.2
colline/submontane58.19.273.17.33.83.79.75.320.518.238.34.2
total100.0.100.0.100.0.100.0.100.0.100.0.
up to 40subalpine4.02.30.0.21.44.625.84.210.14.310.01.3
montane45.05.737.13.164.25.457.94.745.37.247.32.1
colline/submontane51.05.762.93.114.44.016.23.544.67.242.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.
41 - 80subalpine3.41.30.0.13.92.428.22.66.01.510.00.8
montane48.03.426.72.372.63.156.42.946.63.147.71.3
colline/submontane48.63.473.32.313.52.415.42.147.43.142.21.3
total100.0.100.0.100.0.100.0.100.0.100.0.
81 - 120subalpine6.71.20.60.415.81.837.62.316.53.115.60.8
montane62.82.335.02.573.62.350.42.453.04.155.41.2
colline/submontane30.52.264.42.510.51.611.91.530.53.729.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
121 - 160subalpine17.72.74.12.033.52.960.02.439.94.838.81.5
montane63.53.540.05.058.53.137.62.347.74.948.51.5
colline/submontane18.82.855.95.08.01.72.40.812.43.312.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.
over 160subalpine55.49.248.115.662.86.081.22.167.15.174.81.9
montane37.99.021.113.133.95.918.22.026.84.822.51.8
colline/submontane6.74.630.914.73.32.30.60.46.12.62.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.
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 #817878/284209
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