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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
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/asubalpine15.46.30.0.54.28.062.05.550.29.539.93.3
montane30.78.123.86.640.67.931.45.331.98.831.53.1
colline/submontane54.08.776.26.65.13.56.62.817.97.328.63.0
total100.0.100.0.100.0.100.0.100.0.100.0.
up to 40subalpine6.02.60.50.523.44.337.93.422.14.117.91.4
montane44.35.436.93.164.35.048.03.547.15.046.11.8
colline/submontane49.75.562.73.112.33.414.12.430.84.736.11.7
total100.0.100.0.100.0.100.0.100.0.100.0.
41 - 80subalpine3.71.30.0.17.92.434.92.413.41.914.70.9
montane48.83.326.52.370.23.052.12.644.32.846.71.3
colline/submontane47.53.373.52.312.02.113.01.742.32.838.61.2
total100.0.100.0.100.0.100.0.100.0.100.0.
81 - 120subalpine7.01.20.60.416.71.842.22.224.43.218.50.9
montane62.72.335.12.473.02.246.82.249.83.753.91.1
colline/submontane30.32.164.42.410.31.611.01.425.83.227.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.
121 - 160subalpine19.32.84.02.035.02.862.02.246.54.541.21.4
montane62.43.441.24.957.53.035.62.243.04.546.81.5
colline/submontane18.32.754.85.07.51.62.50.710.62.911.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
over 160subalpine54.88.648.115.660.95.781.91.969.54.775.31.7
montane39.38.521.113.136.15.617.31.923.24.321.81.7
colline/submontane5.94.030.914.73.02.10.80.47.32.72.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalsubalpine10.60.91.00.326.11.253.51.129.71.528.20.5
montane56.11.532.61.464.41.439.01.142.71.645.80.6
colline/submontane33.31.466.31.49.50.97.60.627.61.326.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #817882/284213
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