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NFI4
forest area
horizontal distance sample plot-road (4 classes) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
horizontal distance sample plot-road (4 classes)
up to 100 m101-500 m501-1000 mover 1000 mtotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.0531.172.1320.47184.63
11-20 years ago14.41113.6121.0450.210029.37
21-30 years ago7.0166.7170.0.0.0.13.711
31-40 years ago3.3246.1180.21000.0.9.714
41-50 years ago2.5283.4230.0.0.0.6.018
over 50 years ago2.3296.4170.8500.0.9.514
total80.7467.344.1220.658152.71
Eastern Juran/a0.21000.0.0.0.0.0.0.2100
less than 10 years ago23.473.3240.0.0.0.26.76
11-20 years ago10.0132.8270.0.0.0.12.711
21-30 years ago2.1311.0440.0.0.0.3.125
31-40 years ago1.2400.21000.21000.0.1.735
41-50 years ago0.6580.21000.0.0.0.0.850
over 50 years ago1.1441.1450.0.0.0.2.231
total38.548.6140.21000.0.47.42
Western Plateaun/a0.21000.0.0.0.0.0.0.2100
less than 10 years ago20.389.9131.0450.210031.45
11-20 years ago4.7203.1250.21000.0.8.015
21-30 years ago1.6372.1310.6570.0.4.322
31-40 years ago0.4701.6350.21000.0.2.229
41-50 years ago0.6580.9500.0.0.0.1.537
over 50 years ago0.6580.9500.21000.0.1.735
total28.4618.492.3300.210049.22
Central Plateaun/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago42.4410.4130.6580.0.53.43
11-20 years ago8.2142.9250.4710.0.11.512
21-30 years ago1.5350.6580.0.0.0.2.130
31-40 years ago0.6580.8500.0.0.0.1.437
41-50 years ago0.0.0.0.0.0.0.0.0.0.
over 50 years ago0.4700.8500.0.0.21001.437
total53.1315.4101.0450.210069.71
Eastern Plateaun/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago71.639.0140.4710.0.81.03
11-20 years ago12.4124.3210.0.0.0.16.710
21-30 years ago5.0191.6350.0.0.0.6.617
31-40 years ago1.3400.8500.0.0.0.2.031
41-50 years ago0.6580.4710.0.0.0.1.045
over 50 years ago0.4710.7500.21000.21001.635
total91.2216.8100.6580.2100108.91
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.4168.8141.6380.0.17.79
11-20 years ago4.7203.5230.9500.31009.414
21-30 years ago1.0443.0250.9450.6705.418
31-40 years ago1.2411.9320.4710.0.3.523
41-50 years ago1.0441.3380.7500.0.3.024
over 50 years ago0.8512.3301.7350.31005.120
total16.1920.886.2171.14844.23
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago20.0925.683.9220.210049.75
11-20 years ago9.21513.0122.4290.0.24.68
21-30 years ago1.6355.2200.9450.21007.916
31-40 years ago2.5302.6280.6580.21005.918
41-50 years ago0.21002.8271.2410.0.4.222
over 50 years ago0.8504.4214.8201.04511.113
total34.2753.7513.8111.635103.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago14.81114.9112.9260.65833.16
11-20 years ago6.0188.6152.6280.47017.510
21-30 years ago1.4384.3210.9450.21006.817
31-40 years ago0.8502.9250.6581.2415.418
41-50 years ago0.5581.2412.4290.21004.321
over 50 years ago0.21004.2222.4290.8507.616
total23.7836.0611.8123.42474.82
Northwestern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.01810.3132.4280.65819.49
11-20 years ago3.9234.2211.2410.21009.514
21-30 years ago2.3295.7181.7350.21009.913
31-40 years ago0.6582.8261.0450.0.4.521
41-50 years ago0.6583.1251.3400.0.4.920
over 50 years ago0.4717.2163.5242.03113.111
total13.91133.3611.1133.12561.43
Central Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.0313.7221.2400.6577.414
11-20 years ago1.4373.2230.7500.21005.617
21-30 years ago1.0431.6340.8500.8504.221
31-40 years ago0.4710.8500.8490.21002.130
41-50 years ago0.0.1.0450.21000.4711.535
over 50 years ago0.4692.9251.3371.4386.017
total5.11713.395.0183.52326.94
Northeastern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.6234.3210.6571.1459.513
11-20 years ago2.0303.1230.8500.21006.216
21-30 years ago1.0451.8330.7491.2414.720
31-40 years ago0.21001.2360.6590.4712.327
41-50 years ago0.0.0.4720.8510.4721.735
over 50 years ago0.6592.9243.3241.3388.114
total7.51513.7106.8164.52032.54
Southwestern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago11.01312.0123.0260.65826.58
11-20 years ago5.5196.8161.9310.47114.711
21-30 years ago4.2214.4212.2300.210010.913
31-40 years ago3.3244.8201.6351.04510.813
41-50 years ago1.7336.7172.3300.85011.513
over 50 years ago4.82022.2914.0115.71946.75
total30.6756.9525.088.615121.12
Southeastern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago14.01115.2114.2221.04534.47
11-20 years ago8.11515.2114.7201.04529.08
21-30 years ago4.42112.1134.7203.02624.29
31-40 years ago2.4297.9153.9222.03216.211
41-50 years ago0.8504.1223.6231.4389.814
over 50 years ago3.02614.3119.71411.11338.07
total32.7768.7430.7719.510151.62
Southern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.2188.0161.8332.13018.110
11-20 years ago2.2305.0201.2412.03110.513
21-30 years ago2.4293.9233.1253.02612.312
31-40 years ago2.0324.6212.9264.82014.311
41-50 years ago0.8506.1182.4294.92014.211
over 50 years ago4.02223.8819.81041.3688.93
total17.51051.4531.2758.15158.32
Switzerlandn/a0.4710.0.0.0.0.0.0.471
less than 10 years ago293.52166.4325.597.416492.81
11-20 years ago92.8489.2518.1104.920205.03
21-30 years ago36.5753.9616.6119.315116.34
31-40 years ago20.11039.0713.1129.71482.05
41-50 years ago9.91431.6814.8128.11664.45
over 50 years ago19.91094.1461.7565.35240.92
total473.21474.22149.83104.741201.91
© WSL, Swiss National Forest Inventory, 21.06.2020 #817004/283335
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