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NFI3
forest area
primary forest function NFI4: nature protection · altitudinal vegetation zone (3 classes) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
primary forest function NFI4: nature protection
yesnototal
altitudinal vegetation zone (3 classes)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
subalpineless than 10 years ago5.81967.1572.95
11-20 years ago4.62146.2650.86
21-30 years ago3.42435.5739.07
31-40 years ago2.72722.5925.29
41-50 years ago2.03218.01020.010
over 50 years ago17.81087.54105.34
total36.37276.82313.22
montaneless than 10 years ago9.115242.73251.82
11-20 years ago5.71987.6593.34
21-30 years ago3.32455.9659.36
31-40 years ago2.72734.3737.17
41-50 years ago1.43823.0924.49
over 50 years ago5.71967.0572.75
total27.98510.61538.51
colline/submontaneless than 10 years ago17.810167.43185.23
11-20 years ago4.52138.1742.67
21-30 years ago3.72325.0928.78
31-40 years ago1.2417.8168.915
41-50 years ago1.6357.1178.715
over 50 years ago3.82328.8832.67
total32.68274.12306.72
totalless than 10 years ago32.78477.22509.91
11-20 years ago14.711171.93186.63
21-30 years ago10.514116.44126.94
31-40 years ago6.71764.5571.25
41-50 years ago5.02048.1653.16
over 50 years ago27.38183.33210.73
total96.841061.511158.41
© WSL, Swiss National Forest Inventory, 21.06.2020 #817371/283702
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