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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 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/asubalpine13.26.10.0.50.79.159.36.829.311.132.03.5
montane32.58.524.36.745.99.131.06.447.112.133.83.6
colline/submontane54.39.075.76.73.43.49.74.123.610.334.23.6
total100.0.100.0.100.0.100.0.100.0.100.0.
up to 40subalpine6.12.70.0.21.64.435.13.521.44.216.01.4
montane43.65.537.33.165.25.150.83.749.05.247.11.9
colline/submontane50.35.562.73.113.13.714.12.629.64.736.91.8
total100.0.100.0.100.0.100.0.100.0.100.0.
41 - 80subalpine3.71.30.0.16.92.433.22.512.01.913.60.9
montane48.83.326.72.370.63.053.32.745.42.947.11.3
colline/submontane47.53.373.32.312.52.213.51.842.62.839.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.
81 - 120subalpine7.11.30.60.416.81.841.22.222.13.217.90.9
montane62.42.335.22.573.02.347.62.351.43.854.21.1
colline/submontane30.52.264.22.510.31.611.21.426.53.327.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.
121 - 160subalpine18.62.74.02.035.42.861.02.345.44.640.51.4
montane63.33.440.64.957.03.036.62.343.64.647.41.5
colline/submontane18.12.755.45.07.51.62.30.710.92.912.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
over 160subalpine53.38.848.115.660.45.881.72.069.54.875.11.8
montane40.68.721.113.136.65.717.51.924.04.422.11.7
colline/submontane6.14.130.914.73.02.10.80.56.52.62.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalsubalpine10.40.91.00.325.61.252.51.127.81.527.10.5
montane56.21.532.81.464.81.439.81.144.31.746.40.6
colline/submontane33.41.466.31.49.70.97.70.627.91.426.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #817879/284210
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