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NFI2
forest area
horizontal distance sample plot-road (4 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
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
horizontal distance sample plot-road (4 classes)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
up to 100 mn/a1.0450.6580.21000.4710.6580.4713.225
less than 10 years ago193.4230.0818.61010.81311.4135.319269.42
11-20 years ago62.3516.4119.9146.7176.3173.623105.14
21-30 years ago14.6115.7192.5283.3242.0321.24129.28
31-40 years ago3.9221.2411.4382.6281.4382.23012.612
41-50 years ago1.6351.0450.6581.7330.6582.1317.616
over 50 years ago4.0221.2411.8333.6231.6354.02216.211
total280.7256.1535.0729.1723.8818.710443.32
101-500 mn/a1.4380.4711.2411.0450.6580.21004.820
less than 10 years ago67.5543.3624.088.11518.0105.619166.63
11-20 years ago36.2729.4815.5117.31615.9115.818110.24
21-30 years ago13.91213.5125.6198.3155.9186.51753.76
31-40 years ago7.1176.7173.5236.6174.3225.91834.18
41-50 years ago3.2253.7232.1305.6182.2307.71624.69
over 50 years ago7.7168.9158.11513.5128.41512.01358.46
total136.93105.9360.1550.5555.4543.66452.32
501-1000 mn/a0.0.0.4710.0.0.0.0.8500.4711.635
less than 10 years ago2.2308.7156.6173.4249.5142.62833.08
11-20 years ago2.2304.4214.3211.4386.4173.22521.89
21-30 years ago0.8504.3214.3212.6283.2253.02618.210
31-40 years ago0.6582.6282.3304.3212.8272.23014.712
41-50 years ago0.21003.0261.8331.8331.9334.72113.212
over 50 years ago0.8507.8163.2257.5167.41612.41239.17
total6.81731.2722.5920.9932.0728.38141.83
over 1000 mn/a0.0.0.0.0.0.0.0.0.4710.21000.658
less than 10 years ago0.4711.4381.4370.0.4.8202.52810.514
11-20 years ago0.0.1.4382.1300.6583.2252.92610.314
21-30 years ago0.0.0.6581.6351.0452.9262.2308.415
31-40 years ago0.21000.6580.4710.21002.7273.8228.016
41-50 years ago0.21000.0.1.2411.0451.7335.2199.414
over 50 years ago0.0.2.0321.6352.6289.71429.0844.86
total0.8506.0188.3155.41925.5846.0692.04
totaln/a2.4291.4381.4381.4382.4291.24110.214
less than 10 years ago263.5283.4450.6522.2943.7616.011479.42
11-20 years ago100.7451.6631.9716.01031.8715.511247.43
21-30 years ago29.3824.1914.01115.21114.01112.912109.54
31-40 years ago11.81311.1137.61613.81111.11314.01169.45
41-50 years ago5.1207.7165.71810.2136.51719.6954.86
over 50 years ago12.51219.91014.61127.2827.1857.35158.63
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 21.06.2020 #816983/283314
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