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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 NFI3/NFI4
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 ago50.2531.172.1320.47183.83
11-20 years ago14.41113.0120.9500.210028.58
21-30 years ago7.0166.5170.0.0.0.13.511
31-40 years ago3.1256.1180.21000.0.9.514
41-50 years ago2.5283.4230.0.0.0.6.018
over 50 years ago2.3296.2170.8500.0.9.314
total79.6466.343.9230.658150.51
Eastern Juran/a0.21000.0.0.0.0.0.0.2100
less than 10 years ago23.073.1250.0.0.0.26.16
11-20 years ago9.8132.8270.0.0.0.12.511
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
total37.948.4150.21000.0.46.62
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 ago1.6371.9330.6570.0.4.122
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
total28.4618.292.3300.210049.12
Central Plateaun/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago42.4410.0130.6580.0.53.03
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 ago0.21000.8500.0.0.21001.241
total52.9315.0101.0450.210069.11
Eastern Plateaun/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago71.138.8140.4710.0.80.23
11-20 years ago12.2124.1220.0.0.0.16.310
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 ago0.4710.7500.21000.0.1.338
total90.5216.5100.6580.0.107.61
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.4168.5141.6380.0.17.59
11-20 years ago4.5213.3230.9500.31009.014
21-30 years ago1.0443.0250.7500.6705.219
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
total15.9920.386.0181.14843.33
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago19.8924.883.7230.210048.55
11-20 years ago9.01512.8122.2300.0.24.08
21-30 years ago1.6354.8210.7500.21007.316
31-40 years ago2.3312.6280.6580.21005.719
41-50 years ago0.21002.8271.2410.0.4.222
over 50 years ago0.6583.8234.4200.8509.714
total33.4751.7512.8121.43899.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago14.51114.5112.7270.65832.36
11-20 years ago6.0188.1152.6280.47017.010
21-30 years ago1.4383.9230.9450.21006.417
31-40 years ago0.8502.9250.6581.2415.418
41-50 years ago0.5581.0452.2300.21004.022
over 50 years ago0.21004.0222.4290.6587.216
total23.5834.4611.4123.22572.32
Northwestern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago5.81810.1132.4280.65819.09
11-20 years ago3.7234.2211.0450.21009.114
21-30 years ago2.3295.1191.7350.21009.314
31-40 years ago0.6582.6271.0450.0.4.321
41-50 years ago0.6583.1251.3400.0.4.920
over 50 years ago0.4716.4173.5242.03112.312
total13.41131.5610.9133.12558.93
Central Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.0313.5231.0440.6577.015
11-20 years ago1.4372.8240.7500.21005.217
21-30 years ago1.0431.6340.8500.6584.021
31-40 years ago0.4710.6580.8490.21001.931
41-50 years ago0.0.1.0450.21000.4711.535
over 50 years ago0.21002.9251.1411.4385.617
total4.91712.5104.6193.32425.44
Northeastern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.6233.9220.6570.9508.913
11-20 years ago2.0303.1230.8500.21006.216
21-30 years ago1.0451.6350.7490.8504.121
31-40 years ago0.21001.2360.4720.4712.228
41-50 years ago0.0.0.4720.6590.4721.537
over 50 years ago0.6592.5263.0250.7506.916
total7.51512.7106.2173.42429.85
Southwestern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.81311.2133.0260.65825.58
11-20 years ago5.5196.6171.9310.47114.511
21-30 years ago4.0214.0221.6350.21009.714
31-40 years ago3.1254.0221.6350.8509.614
41-50 years ago1.7336.3171.4380.65810.114
over 50 years ago4.82021.6913.4124.62144.56
total30.0753.7522.997.216113.82
Southeastern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago13.41214.4113.8231.04532.67
11-20 years ago8.01515.2114.7201.04528.88
21-30 years ago4.42110.9134.1222.23021.59
31-40 years ago2.4297.9153.9222.03216.211
41-50 years ago0.8503.9223.3241.4389.414
over 50 years ago2.82713.5128.3159.71434.27
total31.7765.7428.1817.310142.82
Southern Alpsn/a0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.2187.6161.8332.13017.710
11-20 years ago2.0324.6211.2412.0319.914
21-30 years ago2.4293.7232.9263.02611.913
31-40 years ago2.0324.2222.9264.02213.112
41-50 years ago0.8506.1182.0314.52113.412
over 50 years ago4.02222.6919.41038.0684.04
total17.31048.8530.2753.65150.02
Switzerlandn/a0.4710.0.0.0.0.0.0.471
less than 10 years ago290.42161.5324.597.217483.61
11-20 years ago91.4486.7517.5114.920200.53
21-30 years ago36.3750.0614.8117.916109.14
31-40 years ago19.51037.4713.0128.71578.65
41-50 years ago9.91430.8812.9127.51661.26
over 50 years ago19.11089.3458.4658.45225.23
total467.11455.72141.1394.641158.51
© WSL, Swiss National Forest Inventory, 21.06.2020 #817002/283333
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