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NFI1
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.3582.9193.3175.1148.2114.81424.76
moderate0.7382.4203.8164.3155.11418.8735.25
good1.5261.2292.3210.3581.0314.31510.610
very good0.7380.2710.4500.3570.0.0.0.1.625
total3.3186.7129.81010.01014.4827.9672.14
less than 10 years agolow16.8813.285.6132.9186.2120.27145.05
moderate20.6726.5612.2919.1737.458.311124.13
good100.2350.7438.141.22810.6911.99212.72
very good169.7215.0811.190.2710.11000.271196.32
total307.31105.4267.0323.4654.3420.67578.11
11-20 years agolow6.5124.9143.0183.3173.0180.45021.07
moderate4.51514.983.31713.9813.986.21256.64
good23.9616.6711.390.7383.8169.21065.44
very good33.053.3173.3170.6400.0.0.45040.55
total67.9439.7520.8618.4720.7716.27183.62
21-30 years agolow3.3173.6171.4273.3172.9180.73815.38
moderate1.6256.7122.81913.588.7107.71141.15
good6.5125.9134.5150.3582.0237.51126.76
very good6.5120.7381.1300.11000.0.0.0.8.411
total18.0717.079.91017.2713.6815.9891.53
31-40 years agolow1.8244.5152.2212.6192.8190.110014.08
moderate0.7382.7191.7249.0106.0139.01029.16
good3.1182.8192.3210.2712.42013.4824.16
very good2.3210.4500.8350.2710.0.0.3584.016
total7.91110.4107.01212.0911.3922.7671.34
41-50 years agolow0.4501.3280.6410.9332.0220.3585.513
moderate0.2711.1301.1303.4173.2177.01216.08
good0.6411.2291.5260.2710.11006.3129.910
very good0.8350.2710.2710.11000.0.0.11001.427
total2.0223.8163.4174.6145.41313.7832.95
over 50 years agolow4.1168.0117.1126.51210.593.31739.55
moderate2.1228.2113.81622.8614.1823.2674.33
good6.6125.5135.3140.2702.61920.6740.75
very good6.0130.6410.7380.3580.0.0.3588.011
total18.8722.4616.9729.8527.2647.44162.52
totallow33.2538.4523.2624.7635.759.810165.02
moderate30.5562.5328.8586.0288.5280.13376.51
good142.4283.9365.233.01722.5673.13390.21
very good219.0220.5617.771.7230.11001.328260.21
total425.10205.31134.81115.41146.81164.411191.90
© WSL, Swiss National Forest Inventory, 22.06.2020 #802777/269109
NFI2
forest area
time of last treatment (classes of 10 years) · site quality
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
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.0.0.21000.0.0.4710.0.0.658
moderate0.21000.6580.4701.0451.8330.4714.421
good0.4710.6580.6580.21000.21000.8502.827
very good1.8330.21000.21000.21000.0.0.0.2.529
total2.4291.4381.4381.4382.4291.24110.214
less than 10 years agolow13.11213.4125.8182.3296.2180.47141.27
moderate16.61121.798.41517.41028.385.81898.34
good81.1438.3729.471.6359.3149.314169.03
very good152.7310.0146.9160.9440.0.0.471171.03
total263.5283.4450.6522.2943.7616.011479.42
11-20 years agolow8.8157.0172.8272.6275.3190.210026.69
moderate8.21514.3116.71712.71222.196.11870.05
good35.1722.7916.4100.7504.4219.21488.65
very good48.667.6166.0180.0.0.0.0.0.62.25
total100.7451.6631.9716.01031.8715.511247.43
21-30 years agolow4.1223.2252.8273.8232.2300.85016.911
moderate3.2259.0143.02610.51310.0145.21940.87
good9.5149.9146.6170.4711.8336.71734.97
very good12.4122.0331.7330.6580.0.0.210016.911
total29.3824.1914.01115.21114.01112.912109.54
31-40 years agolow2.7272.4291.0452.4292.2301.04511.713
moderate1.0454.8202.42911.1138.1155.81833.27
good4.5213.6243.2250.21000.8507.31619.510
very good3.5240.4711.0450.0.0.0.0.0.5.020
total11.81311.1137.61613.81111.11314.01169.45
41-50 years agolow1.3383.4251.8332.4292.4290.47111.713
moderate0.21002.6281.8337.6162.6287.31622.09
good2.2301.6351.7330.0.1.43811.31318.310
very good1.4380.21000.4710.21000.0.0.6572.827
total5.1207.7165.71810.2136.51719.6954.86
over 50 years agolow2.5286.9175.2197.51613.0124.12239.17
moderate2.2307.6163.42419.3911.61330.0774.05
good3.8234.8205.8180.4712.52823.1940.47
very good3.9220.6570.21000.0.0.0.0.21005.020
total12.51219.91014.61127.2827.1857.35158.63
totallow32.6736.1719.6921.0931.776.817147.73
moderate31.6760.5526.0879.7384.5360.54342.82
good136.6381.5463.743.42320.5967.84373.52
very good224.4221.0916.6101.8310.0.1.537265.32
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #802778/269110
NFI2
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow1.2382.7262.5272.6263.0240.37112.312
moderate1.7326.0172.4277.8156.9166.21631.07
good8.5146.4175.0180.5581.7327.01629.28
very good11.7121.0441.9300.5570.0.0.0.15.111
total23.1816.11011.81211.51211.61213.61187.64
less than 10 years agolow12.31213.8116.0172.0296.2170.55840.86
moderate16.01020.799.11317.9928.275.51797.44
good79.3436.9629.471.6339.8139.713166.73
very good150.7310.3136.7160.8440.0.0.471168.93
total258.3281.7451.2522.3844.2516.110473.81
11-20 years agolow7.7156.2172.4272.3274.9190.210023.79
moderate7.21512.8115.81711.31219.695.61762.35
good30.9720.3914.5100.7503.9218.21478.45
very good42.966.7165.4180.0.0.0.0.0.55.05
total88.8446.0628.1714.21028.3714.011219.43
21-30 years agolow3.7222.8252.5273.3231.9300.75014.911
moderate2.8258.0142.6269.2138.8144.61936.17
good8.4148.8145.8170.3711.6335.91730.97
very good10.9121.7331.5330.5580.0.0.210014.811
total25.9821.4912.31113.41112.41211.41296.84
31-40 years agolow2.4272.1290.9452.1292.0300.94510.413
moderate0.9454.3202.1299.9137.2155.11829.48
good4.0213.1242.8250.21000.7506.51617.310
very good3.1240.4710.9450.0.0.0.0.0.4.420
total10.4139.9136.71612.2119.91312.41161.55
41-50 years agolow1.2383.0251.6332.1292.2290.37110.313
moderate0.21002.3281.5336.7162.3286.51619.69
good1.9301.4351.5330.0.1.33810.11316.210
very good1.2380.21000.4710.21000.0.0.6572.527
total4.5206.9165.0189.0135.81717.4948.66
over 50 years agolow2.3286.2174.5196.61611.5123.62234.77
moderate2.0306.8162.92417.1910.31326.7765.85
good3.3234.3205.1180.3712.22820.5935.87
very good3.5220.6580.21000.0.0.0.0.21004.520
total11.11217.81012.81124.0824.0851.15140.73
totallow30.9736.8620.3921.1831.676.616147.13
moderate30.9760.9526.6779.9383.4360.14341.72
good136.3381.2464.243.52121.2868.04374.42
very good224.1220.8917.092.0280.0.1.338265.12
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #802779/269111
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.11211.4135.6191.9323.0260.0.35.17
moderate15.01122.298.91417.91027.384.72096.04
good83.9442.0631.071.1417.2169.814175.13
very good164.0312.2137.1160.9450.0.0.2100184.53
total276.0287.9452.6521.9937.5614.811490.71
11-20 years agolow5.6196.8172.4292.0314.4210.210021.310
moderate7.1179.7144.7209.81416.6103.32451.16
good22.7914.61110.8130.8505.4195.61959.96
very good31.182.4303.7230.21000.0.0.47137.87
total66.5533.5721.7912.71226.489.414170.13
21-30 years agolow5.6193.6231.6351.2413.9220.210016.011
moderate4.3216.6172.4297.3169.3144.52034.47
good14.7118.1166.6170.0.2.0315.61937.07
very good14.6112.8272.8270.21000.0.0.0.20.410
total39.1721.1913.3128.61515.21110.413107.74
31-40 years agolow2.4292.4292.0321.8331.4380.65810.514
moderate1.6356.6171.9314.8206.8164.92026.68
good5.0204.6213.4240.5581.0453.02617.611
very good4.1221.5381.3380.21000.0.0.0.7.217
total13.01215.1118.6157.4169.1148.61561.85
41-50 years agolow2.1301.9311.2412.8271.1410.21009.414
moderate0.21003.5231.8338.5153.5235.11922.79
good3.1252.2302.4290.21000.8504.92013.612
very good1.6350.21000.21000.0.0.0.0.0.2.032
total7.0177.9165.61911.5125.41910.21447.76
over 50 years agolow3.1257.6164.6209.91413.7113.12542.07
moderate2.2307.2163.52326.5811.51332.7783.64
good3.0265.2195.0200.4712.42933.3749.46
very good2.1300.8500.4710.21000.0.0.6574.222
total10.41420.9913.61236.9627.6869.74179.13
totallow31.8833.7717.31019.6927.684.221134.24
moderate30.4755.9523.2874.8374.9455.25314.52
good132.2376.8459.143.02418.9962.34352.42
very good217.6220.0915.5101.6320.0.1.341256.02
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 22.06.2020 #802780/269112
NFI2
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow1.6337.6158.1157.61512.8125.31843.06
moderate1.93010.3136.91613.61115.91026.9875.45
good9.4139.1149.7130.5582.82514.21145.76
very good12.5121.3372.7260.5570.0.0.0.17.110
total25.4828.4827.4822.3831.4746.36181.23
less than 10 years agolow12.31213.9116.0172.0296.2170.55841.06
moderate16.01020.999.11317.9928.275.51797.64
good79.3436.9629.471.7319.8139.713166.83
very good150.7310.3136.7160.8440.0.0.471168.93
total258.3282.0451.2522.5844.2516.110474.31
11-20 years agolow7.7156.2172.4272.3274.9190.210023.79
moderate7.21512.8115.81711.31219.695.61762.35
good30.9720.3914.5100.7503.9218.21478.45
very good42.966.7165.4180.0.0.0.0.0.55.05
total88.8446.0628.1714.21028.3714.011219.43
21-30 years agolow3.7222.8252.5273.3231.9300.75014.911
moderate2.8258.0142.6269.2138.8144.61936.17
good8.4148.8145.8170.3711.6335.91730.97
very good10.9121.7331.5330.5580.0.0.210014.811
total25.9821.4912.31113.41112.41211.41296.84
31-40 years agolow2.4272.1290.9452.1292.0300.94510.413
moderate0.9454.3202.1299.9137.2155.11829.48
good4.0213.1242.8250.21000.7506.51617.310
very good3.1240.4710.9450.0.0.0.0.0.4.420
total10.4139.9136.71612.2119.91312.41161.55
41-50 years agolow1.2383.0251.6332.1292.2290.37110.313
moderate0.21002.3281.5336.7162.3286.61619.79
good1.9301.4351.5330.0.1.33810.11316.210
very good1.2380.21000.4710.21000.0.0.6572.527
total4.5206.9165.0189.0135.81717.6948.86
over 50 years agolow2.3286.2174.5196.61611.7123.62234.97
moderate2.2297.0163.12317.1910.31326.9766.55
good3.3234.3205.1180.3712.22820.5935.87
very good3.5220.6580.21000.0.0.0.0.21004.520
total11.21218.01013.01124.0824.2851.25141.63
totallow31.2741.9626.0826.0841.6611.512178.23
moderate31.2765.5431.2785.7392.3381.23387.22
good137.2383.9468.943.72122.3875.23391.12
very good224.9221.2817.792.0280.0.1.338267.12
total424.61212.61143.72117.42156.22169.211223.60
© WSL, Swiss National Forest Inventory, 22.06.2020 #802781/269113
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
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
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.11211.9135.8182.4293.6230.0.36.87
moderate15.61123.899.71419.5930.375.319104.34
good85.4442.4632.571.5357.61610.813180.33
very good167.1312.9127.3160.9450.0.0.471188.63
total281.2290.9455.3524.4841.5616.611509.91
11-20 years agolow6.0187.4163.4242.4295.4190.47125.09
moderate7.81611.1134.92010.61318.8105.41958.56
good23.1915.61111.9120.8505.8186.71763.95
very good32.182.6293.9220.21000.0.0.47139.27
total68.9536.8724.1813.91130.0712.912186.63
21-30 years agolow5.6193.8232.0312.4296.2181.24121.010
moderate4.3217.5162.62810.21411.8137.61643.97
good15.5118.1167.2160.4712.4297.21640.77
very good15.2113.0262.8270.21000.0.0.0.21.210
total40.5722.3914.51113.11220.4916.011126.94
31-40 years agolow2.4292.6282.0322.9262.2301.24113.112
moderate1.6357.0162.3295.6187.4166.71730.68
good5.3195.1204.0220.5581.2413.62319.710
very good4.3211.7351.3380.4710.0.0.0.7.816
total13.61216.3119.6149.41410.81311.51371.25
41-50 years agolow2.1302.3291.2413.2251.1410.65810.614
moderate0.21004.1222.2309.4144.1226.31726.38
good3.1252.4292.6280.21000.8505.11914.212
very good1.6350.21000.21000.0.0.0.0.0.2.032
total7.0179.1146.21812.8126.01812.01253.16
over 50 years agolow3.3249.8146.81711.91315.1116.21753.16
moderate2.6289.2144.92027.9715.61138.1698.44
good3.2256.1185.8180.4713.22536.1654.75
very good2.3290.8500.4710.21000.0.0.6574.421
total11.51325.9817.91040.3634.0781.04210.73
totallow32.4837.8721.1925.1833.779.514159.63
moderate32.1762.7526.6883.1388.1369.44362.02
good135.6379.7463.843.82221.1969.64373.52
very good222.7221.2916.0101.8310.0.1.538263.22
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #802782/269114
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.11211.9136.0182.4293.6230.0.37.07
moderate15.81124.299.91419.5930.975.519105.94
good85.8443.6633.571.5357.61610.813182.93
very good168.5312.9127.3160.9450.0.0.471190.03
total283.2292.6456.7524.4842.1616.710515.71
11-20 years agolow6.0187.4163.4242.4295.4190.47125.09
moderate8.21611.5134.92010.61319.0105.41959.56
good24.1915.61112.3120.8505.8186.91765.55
very good32.182.6294.1220.21000.0.0.47139.57
total70.3537.2724.7813.91130.2713.112189.53
21-30 years agolow5.8183.8232.0312.4296.2181.24121.310
moderate4.7217.5162.62810.21412.0128.21545.16
good15.5118.1167.4160.4712.8277.21641.37
very good15.2113.0262.8270.21000.0.0.0.21.210
total41.1722.3914.71113.11221.0916.610128.94
31-40 years agolow2.4292.6282.0323.1252.4291.24113.512
moderate1.6357.0162.3295.8187.6166.71731.08
good5.3195.4194.0220.5581.2413.62320.110
very good4.5211.7351.3380.4710.0.0.0.7.916
total13.81216.7109.6149.81411.21311.51372.65
41-50 years agolow2.1302.5281.2413.4241.1410.65810.913
moderate0.21004.1222.2309.4144.1226.51726.58
good3.1252.7282.6280.21000.8505.11914.412
very good1.6350.21000.21000.0.0.0.0.0.2.032
total7.0179.5146.21813.0126.01812.21253.96
over 50 years agolow3.32410.2147.01711.91315.6116.41754.36
moderate2.82710.0144.92028.3716.01138.96101.04
good3.2256.3186.2180.4713.42437.6657.15
very good2.6280.8500.4710.21000.0.0.6574.621
total11.91327.3818.51040.7635.0783.54217.03
totallow32.6738.4721.5925.5834.379.714162.03
moderate33.3764.3526.8883.7389.7371.24369.02
good137.0381.7465.943.82221.7971.34381.32
very good224.5221.2916.2101.8310.0.1.538265.22
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 22.06.2020 #802783/269115
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.11212.0136.0182.6283.6230.0.37.47
moderate15.61123.899.71419.5930.575.519104.74
good85.4442.4632.571.5357.61611.413180.83
very good167.3312.9127.3160.9450.0.0.471188.83
total281.4291.1455.5524.6841.7617.310511.71
11-20 years agolow6.0187.6164.0222.4295.4191.24126.69
moderate7.81611.1135.31910.61319.4106.21760.36
good23.1915.61112.4120.8505.8186.91764.75
very good32.182.6293.9220.21000.0.0.47139.27
total68.9537.0725.7813.91130.6714.711190.83
21-30 years agolow5.6193.8232.4293.4246.8172.82724.79
moderate4.3218.1163.22510.61312.41210.21448.76
good15.5118.1167.6160.4712.4297.61641.57
very good15.2113.0262.8270.21000.0.0.0.21.210
total40.5722.9915.91114.51121.7920.69136.14
31-40 years agolow2.4293.0262.2303.7233.0263.22517.311
moderate1.6357.4162.3296.2179.6148.11535.27
good5.3195.1204.0220.5581.2413.82319.910
very good4.3211.7351.3380.4710.0.0.0.7.816
total13.61217.1109.81410.81313.81215.01180.25
41-50 years agolow2.1302.5281.8334.4213.5241.43815.811
moderate0.21004.3212.62710.0145.5198.81531.58
good3.1252.4292.6280.21000.8505.11914.212
very good1.6350.21000.21000.0.0.0.0.0.2.032
total7.0179.5147.21614.6119.81415.31163.45
over 50 years agolow3.32411.81310.41413.11223.297.01668.85
moderate2.62810.2146.11828.5717.71042.46107.64
good3.2256.3186.4170.4713.42436.6656.35
very good2.3290.8500.4710.21000.0.0.6574.421
total11.51329.1823.3942.1644.3686.74237.12
totallow32.4840.8626.7829.5845.5615.511190.53
moderate32.1764.9529.2785.4395.2381.24388.02
good135.6379.9465.443.82221.3971.54377.52
very good222.9221.2916.0101.8310.0.1.538263.42
total423.01206.81137.32120.52162.02169.721219.31
© WSL, Swiss National Forest Inventory, 22.06.2020 #802784/269116
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.31111.5125.7172.3283.4230.0.36.17
moderate15.71022.589.51319.1930.275.617102.84
good85.3444.0633.461.7317.71512.012184.13
very good166.1312.9117.8140.8450.0.0.471188.02
total280.3291.0456.5524.0841.3618.09511.01
11-20 years agolow5.7186.7163.8222.3285.2180.47124.09
moderate7.81513.1114.32010.71219.294.91960.05
good23.8814.91112.1110.9455.2186.31763.25
very good32.072.4273.9210.21000.0.0.47138.97
total69.4537.1624.0814.01129.6711.912186.13
21-30 years agolow5.7183.5221.9302.1296.0171.14120.49
moderate4.7198.0153.52210.31312.2127.91546.76
good17.3109.4147.2150.5583.1247.51545.06
very good15.9102.6262.7260.21000.0.0.0.21.39
total43.7623.5815.31013.01121.4916.510133.43
31-40 years agolow2.7263.0241.8322.9252.3281.23813.811
moderate1.4356.9162.4267.4157.9156.71632.77
good4.8195.0194.4200.5581.1413.82219.59
very good4.6191.5351.3350.3710.0.0.0.7.815
total13.51116.4109.91311.11211.21211.71273.95
41-50 years agolow2.7262.6261.0413.4231.2380.55811.412
moderate0.21004.4202.0308.6144.2206.71626.08
good2.8252.4282.8250.21000.7504.91913.811
very good1.6330.4710.21000.21000.0.0.0.2.328
total7.3159.7136.01712.2116.21712.11253.56
over 50 years agolow3.72210.1136.91611.61215.6106.71654.56
moderate2.7269.9135.21828.3716.41039.56102.04
good3.0245.7186.6160.3713.42335.9655.05
very good3.0240.7500.5580.21000.0.0.6575.019
total12.51226.4819.3940.3635.5682.73216.62
totallow33.8737.4621.1924.5833.679.913160.33
moderate32.6764.7427.0784.3390.2371.44370.22
good137.0381.4466.544.12021.3870.44380.62
very good223.3220.6916.491.8290.0.1.338263.42
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 22.06.2020 #802785/269117
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.11212.0136.0182.6283.6230.0.37.47
moderate15.81124.2910.11419.5930.875.519105.94
good85.4442.9632.771.5357.61611.813181.83
very good167.7312.9127.3160.9450.0.0.471189.23
total282.0292.0456.1524.6841.9617.710514.31
11-20 years agolow6.0187.8164.2222.4295.4191.24127.09
moderate7.81611.3135.51910.61319.4106.21760.76
good23.1915.81112.9120.8505.8187.11765.55
very good32.182.6294.1220.21000.0.0.47139.57
total68.9537.6726.7813.91130.6714.911192.63
21-30 years agolow5.6194.0222.6283.4247.0173.22525.79
moderate4.3218.3153.22510.61312.81210.41349.56
good15.5118.1167.9150.4712.8267.61642.37
very good15.2113.0262.8270.21000.0.0.0.21.210
total40.5723.3916.51014.51122.6921.29138.64
31-40 years agolow2.6283.0262.4293.7233.2253.22518.010
moderate1.6357.4162.3296.4179.6149.11436.47
good5.3195.1204.0220.5581.2413.82319.910
very good4.3212.0331.3380.4710.0.0.0.8.016
total13.81217.41010.01411.11314.01216.01182.35
41-50 years agolow2.1302.7272.0324.4213.5242.03216.811
moderate0.21004.6212.62711.6135.5199.21433.67
good3.1252.8272.7270.21000.8505.51915.211
very good1.6350.21000.21000.0.0.0.0.0.2.032
total7.01710.3147.61616.2119.81416.71167.65
over 50 years agolow3.52314.91112.41214.11224.497.81577.05
moderate2.62811.6137.91631.5720.6949.85124.14
good4.0227.7168.9150.4714.02241.0665.95
very good2.9260.8500.8500.21000.0.0.9495.619
total13.01235.0730.0846.1549.0699.53272.72
totallow32.9744.4629.6830.5747.1617.310201.73
moderate32.3767.4531.6790.2398.7390.13410.32
good136.4382.4469.043.82222.2976.94390.72
very good223.8221.5916.6101.8310.0.1.735265.52
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 22.06.2020 #802786/269118
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.0.0.0.0.0.0.0.0.0.0.0.
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years agolow13.01210.6134.0221.8333.4240.65833.48
moderate16.01121.796.31719.1920.294.72088.14
good82.6438.8726.080.6585.21910.313163.43
very good158.9310.7138.3150.6580.0.0.2100178.83
total270.5281.9444.6622.1928.9815.811463.72
11-20 years agolow5.5196.8173.4241.4383.0260.0.20.010
moderate5.7199.0156.31711.41317.7103.02653.16
good26.3818.21014.8110.8505.4195.71971.15
very good36.175.4192.4290.5570.0.0.210044.66
total73.5539.4726.8814.11126.088.915188.73
21-30 years agolow3.0264.2222.0311.8333.5230.210014.712
moderate3.1268.3152.6286.01811.5133.52334.97
good9.3145.8196.2170.6582.8274.12228.98
very good12.8121.3412.0320.0.0.0.0.210016.311
total28.1819.61012.8128.31517.9108.01594.74
31-40 years agolow3.2252.3301.2411.4382.7270.210010.913
moderate3.1264.4211.9314.8207.5163.62325.29
good6.3184.9203.9220.21002.0314.22221.510
very good3.3241.1451.6350.21000.0.0.0.6.218
total15.91112.6128.6156.51712.2128.01563.85
41-50 years agolow1.6352.3291.6352.0321.6350.4719.414
moderate0.8505.1191.6355.5195.4195.41923.79
good3.2253.0262.8260.4711.0445.31915.711
very good3.3240.6570.6580.21000.0.0.0.4.820
total8.91511.1136.6178.0158.01511.01353.66
over 50 years agolow5.6187.6165.21911.21313.3122.92545.96
moderate1.8337.4164.52028.0712.61235.1689.54
good4.3216.1185.6190.5572.42932.7751.76
very good2.9260.8500.6580.21000.0.0.6575.220
total14.71121.9915.91140.0628.4871.44192.33
totallow31.8833.7717.31019.6927.684.221134.24
moderate30.4755.9523.2874.8374.9455.25314.52
good132.2376.8459.143.02418.9962.34352.42
very good217.6220.0915.5101.6320.0.1.341256.02
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 22.06.2020 #802787/269119
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.31111.7125.9172.4273.4230.0.36.77
moderate15.71022.589.51319.1930.275.817102.94
good85.3444.0633.461.7317.71512.512184.63
very good166.1312.9117.8140.8450.0.0.471188.02
total280.3291.1456.7524.1841.3618.79512.21
11-20 years agolow5.7186.9164.3202.3285.2181.23825.78
moderate7.81513.2114.71910.71220.195.61762.15
good23.8814.91112.6110.9455.2186.51663.95
very good32.072.4273.9210.21000.0.0.47138.97
total69.4537.5625.5814.01130.5713.711190.63
21-30 years agolow5.7183.7222.8253.2236.6162.52724.58
moderate4.7198.5144.22010.61313.01110.41351.56
good17.3109.4147.6150.5583.1247.91545.76
very good15.9102.6262.7260.21000.0.0.0.21.39
total43.7624.2817.31014.51122.6820.89143.13
31-40 years agolow2.7263.3231.9303.4233.0243.02417.310
moderate1.4357.2152.6268.11410.4138.01537.77
good4.8195.0194.4200.5581.1413.92119.79
very good4.6191.5351.3350.3710.0.0.0.7.815
total13.51117.11010.31312.41214.51114.91182.64
41-50 years agolow2.7262.8251.6334.4203.6221.23816.310
moderate0.21004.6192.5269.1135.6189.01431.07
good2.8252.4282.8250.21000.7504.91913.811
very good1.6330.4710.21000.21000.0.0.0.2.328
total7.31510.1137.11613.91110.01315.11163.45
over 50 years agolow3.72212.41210.31313.01123.687.61570.65
moderate2.72610.6136.71628.8718.4943.46110.64
good3.0245.9177.1160.3713.62236.3656.35
very good3.0240.7500.5580.21000.0.0.6575.019
total12.51229.6724.6842.3545.6687.83242.52
totallow33.8740.8626.9828.8745.3615.510191.13
moderate32.6766.7430.2786.5397.6382.14395.82
good137.0381.6467.944.12021.5872.04384.02
very good223.3220.6916.491.8290.0.1.338263.42
total426.61209.71141.42121.22164.52171.011234.31
© WSL, Swiss National Forest Inventory, 22.06.2020 #802788/269120
NFI3
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow13.31111.7125.9172.4273.4230.0.36.77
moderate15.91023.189.91319.1930.475.817104.24
good85.3444.2633.861.7317.71512.911185.53
very good166.2312.9117.8140.8450.0.0.471188.22
total280.6291.9357.4524.1841.5619.19514.51
11-20 years agolow5.7187.1164.5202.3285.2181.23826.08
moderate7.81513.2114.91910.71220.195.61762.35
good23.9815.21013.0110.9455.2186.71665.05
very good32.072.4274.1210.21000.0.0.47139.17
total69.5538.0626.4814.01130.5713.911192.43
21-30 years agolow5.7183.9213.0243.2236.7162.82525.48
moderate4.7198.7144.22010.61313.31110.81352.46
good17.3109.6137.9140.5583.3237.91546.46
very good15.9102.6262.7260.21000.0.0.0.21.39
total43.7624.8817.8914.51123.4821.59145.63
31-40 years agolow2.8253.3232.1293.4233.2243.02417.910
moderate1.4357.2152.6268.31410.4138.91438.87
good4.8195.0194.4200.5581.1413.92119.79
very good4.6191.7331.3350.3710.0.0.0.8.015
total13.71117.31010.51312.51114.61115.81084.44
41-50 years agolow2.8253.1231.8324.4203.6221.83217.610
moderate0.21004.9192.52610.7125.6189.51333.57
good2.8252.7263.0240.21000.7505.21814.711
very good1.6330.4710.21000.21000.0.0.0.2.328
total7.41511.1127.51515.51010.01316.51068.05
over 50 years agolow3.92115.61012.81114.01124.688.61479.75
moderate2.72612.4128.51432.4621.0951.45128.33
good3.7227.9158.9140.3714.52039.5664.95
very good3.6220.7500.9450.21000.0.1.1406.517
total13.91136.6731.1746.9550.25100.63279.32
totallow34.3744.7630.1729.9746.7617.510203.23
moderate32.7769.6432.6791.83100.8391.93419.42
good137.8384.6471.044.12022.6876.13396.12
very good224.0220.8917.091.8290.0.1.931265.42
total428.91219.71150.62127.52170.12187.411284.20
© WSL, Swiss National Forest Inventory, 22.06.2020 #802789/269121
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.0.0.0.0.0.0.0.0.0.0.0.
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years agolow13.01211.0134.0222.6284.1220.65835.37
moderate17.21022.997.31621.5922.695.51997.04
good83.8439.4727.880.8506.01811.413169.23
very good161.7311.4138.5150.6580.0.0.2100182.43
total275.8284.7447.6525.5832.6717.710484.02
11-20 years agolow5.7187.4163.8231.4383.2250.0.21.410
moderate5.91810.4146.91711.91220.193.32458.56
good27.2818.61015.6110.8505.5196.11873.85
very good37.175.8192.4290.5570.0.0.47146.36
total75.9542.2628.7814.51128.889.914200.03
21-30 years agolow3.0264.6212.6282.2305.0200.65817.910
moderate3.1269.5142.6286.81613.3126.01841.27
good9.7146.7177.0160.8503.2255.12032.68
very good13.4121.3412.2300.0.0.0.0.210017.111
total29.2822.0914.4119.71421.5911.913108.84
31-40 years agolow3.4242.5291.6352.0324.2221.24114.712
moderate3.1264.8202.3296.8179.7145.91832.68
good6.7175.1204.3210.6582.4296.01825.19
very good3.5231.1451.6350.21000.0.0.0.6.418
total16.81113.4129.8149.61416.21113.11278.85
41-50 years agolow1.6352.5281.8333.0262.4290.85012.113
moderate0.8505.5191.6356.3176.0186.71726.98
good3.4243.2253.0260.4711.0445.91816.911
very good3.5230.8500.6580.4710.0.0.0.5.419
total9.21412.1127.01610.1149.41413.41261.26
over 50 years agolow5.8189.8147.41613.91215.0116.41758.26
moderate2.0319.6145.91829.9716.41141.96105.74
good4.5216.7176.2180.5572.82635.0755.85
very good3.2250.8500.6580.21000.0.0.6575.419
total15.51127.0820.1944.5634.2784.04225.33
totallow32.4837.8721.1925.1833.779.514159.63
moderate32.1762.7526.6883.1388.1369.44362.02
good135.6379.7463.843.82221.1969.64373.52
very good222.7221.2916.0101.8310.0.1.538263.22
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #802790/269122
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.0.0.0.0.0.0.0.0.0.0.0.
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years agolow13.01211.8134.2213.1264.5210.65837.17
moderate17.41023.398.11521.9924.195.918100.84
good85.2440.4628.681.0456.41712.012173.53
very good162.9311.6138.5150.6580.0.0.2100183.83
total278.5287.1449.4526.5835.0718.710495.31
11-20 years agolow5.7188.6155.2201.8333.4240.210024.89
moderate6.11810.8137.71612.11220.793.52361.06
good27.6818.81016.0100.8505.5197.11775.85
very good37.975.8192.4290.5570.0.0.47147.16
total77.3544.0631.3715.11129.6711.213208.63
21-30 years agolow3.0265.8184.4212.8276.8172.03224.79
moderate3.3259.7143.6237.81515.8116.61746.76
good10.0147.3177.4160.8503.2255.71934.48
very good13.4121.3412.4290.0.0.0.0.210017.311
total29.6824.0917.81011.31325.8814.511123.04
31-40 years agolow3.4242.5292.6283.8235.4193.42421.010
moderate3.1265.4192.7278.01610.3149.11538.67
good6.9175.1204.9200.6582.4296.61726.59
very good3.5231.1451.6350.21000.0.0.0.6.418
total17.01114.01211.81312.61218.01019.01092.45
41-50 years agolow1.6352.9262.0324.0223.8232.62816.811
moderate0.8506.1182.0317.7167.8168.51532.98
good3.4243.2253.0260.4711.0446.11817.111
very good3.5230.8500.6580.4710.0.0.0.5.419
total9.21413.1127.61612.51212.71217.11072.25
over 50 years agolow6.01812.21312.41216.91026.489.21483.15
moderate2.03111.4137.11632.1721.8950.05124.54
good4.7207.8167.3160.5573.22536.0659.65
very good3.4240.8500.6580.21000.0.0.9495.819
total16.11132.2827.5849.8551.5696.13273.12
totallow32.6743.8630.8832.4750.1617.910207.63
moderate32.7766.7531.3789.63100.5383.64404.42
good138.0382.6467.244.02121.8973.54387.02
very good224.8221.4916.1101.8310.0.1.735265.92
total428.11214.51145.32127.82172.52176.621264.91
© WSL, Swiss National Forest Inventory, 22.06.2020 #802791/269123
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.21000.0.0.0.0.0.0.0.0.2100
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.21000.0.0.0.0.0.0.0.0.658
less than 10 years agolow13.01211.0134.0222.8274.3220.65835.77
moderate17.21023.197.91521.7923.295.91899.14
good83.8439.8728.080.8506.01811.813170.23
very good161.9311.4138.8140.6580.0.0.2100182.83
total276.0285.3448.6525.9833.4718.510487.81
11-20 years agolow5.7188.0164.2221.6353.2250.0.22.69
moderate6.11810.6137.31612.11220.193.52359.86
good27.2818.81016.0100.8505.5197.11775.45
very good37.375.8192.4290.5570.0.0.47146.56
total76.3543.2629.9714.91128.8811.013204.23
21-30 years agolow3.0265.4193.2252.2305.0201.43820.110
moderate3.1269.7143.2256.81613.9126.81743.47
good9.7146.8177.6160.8503.2255.51933.78
very good13.6121.3412.2300.0.0.0.0.210017.311
total29.4823.2916.2119.71422.1913.912114.54
31-40 years agolow3.4242.5292.6283.4245.8183.82321.410
moderate3.1265.4192.7277.41610.5138.71537.87
good6.7175.1204.9200.6582.8276.61726.69
very good3.5231.1451.8330.21000.0.0.0.6.617
total16.81114.01212.01211.61319.01019.01092.45
41-50 years agolow1.8332.9262.2303.6233.6242.42916.511
moderate0.8506.1181.8336.9177.8169.51432.98
good3.4243.2253.0260.4711.0446.11817.111
very good3.5231.1450.6580.4710.0.0.0.5.619
total9.51413.3127.61611.31312.41217.91072.05
over 50 years agolow6.11814.41213.41216.91025.489.21485.35
moderate2.03112.4128.71535.3623.2955.85137.43
good5.3198.6159.6140.5573.62339.8667.55
very good3.8230.8500.9500.21000.0.0.9496.518
total17.11136.3732.6752.9552.26105.63296.62
totallow32.9744.4629.6830.5747.1617.310201.73
moderate32.3767.4531.6790.2398.7390.13410.32
good136.4382.4469.043.82222.2976.94390.72
very good223.8221.5916.6101.8310.0.1.735265.52
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 22.06.2020 #802792/269124
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.0.0.0.0.0.0.0.0.0.0.0.
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years agolow13.01211.4134.2213.1264.3220.65836.57
moderate17.41023.198.11521.9923.795.51999.84
good85.2440.4628.681.0456.41711.813173.43
very good162.7311.6138.5150.6580.0.0.2100183.63
total278.3286.5449.4526.5834.4718.110493.31
11-20 years agolow5.7188.2163.8231.6353.2250.0.22.49
moderate6.11810.8137.31611.91220.393.32459.86
good27.6818.81016.0100.8505.5196.71775.45
very good37.975.8192.4290.5570.0.0.47147.16
total77.3543.6629.5714.71129.0810.513204.63
21-30 years agolow3.0265.4193.2252.6286.0180.85020.910
moderate3.3259.5142.8277.61614.9116.01844.17
good10.0147.3177.2160.8503.2255.31933.88
very good13.4121.3412.4290.0.0.0.0.210017.311
total29.6823.4915.61110.91324.2912.312116.04
31-40 years agolow3.4242.5291.8332.4294.2221.43815.611
moderate3.1265.2192.3297.6169.7146.51734.47
good6.9175.1204.5210.6582.4296.41725.99
very good3.5231.1451.6350.21000.0.0.0.6.418
total17.01113.81210.21310.81316.21114.31182.25
41-50 years agolow1.6352.5282.0323.4242.6281.24113.312
moderate0.8505.5192.0317.3166.2177.11628.98
good3.4243.2253.0260.4711.0445.91816.911
very good3.5230.8500.6580.4710.0.0.0.5.419
total9.21412.1127.61611.5139.81414.21164.45
over 50 years agolow6.01810.6148.61514.71116.7107.61664.35
moderate2.03110.2145.91831.3718.21044.96112.54
good4.7207.6166.9170.5573.02635.6658.45
very good3.4240.8500.6580.21000.0.0.9495.819
total16.11129.2822.1946.7538.0788.93241.02
totallow32.6740.6623.6927.7836.9711.513172.93
moderate32.7764.3528.4887.6393.1373.34379.42
good138.0382.4466.244.02121.6971.74383.82
very good224.6221.4916.1101.8310.0.1.735265.72
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 22.06.2020 #802793/269125
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.0.0.0.0.0.0.0.0.0.0.0.
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years agolow13.01211.0134.0222.6284.3220.65835.57
moderate17.21022.997.51621.5923.095.91898.04
good83.8439.4727.880.8506.01811.613169.43
very good161.9311.4138.5150.6580.0.0.2100182.63
total276.0284.7447.8525.5833.2718.310485.51
11-20 years agolow5.7187.6164.2221.6353.2250.0.22.29
moderate5.91810.4146.91712.11220.193.52359.06
good27.2818.61015.8100.8505.5196.71774.65
very good37.175.8192.4290.5570.0.0.47146.36
total75.9542.4629.3714.91128.8810.713202.03
21-30 years agolow3.0265.0203.0262.2305.0201.43819.510
moderate3.1269.7143.2256.81613.9126.61743.27
good9.7146.7177.2160.8503.2255.31932.98
very good13.4121.3412.2300.0.0.0.0.210017.111
total29.2822.6915.6119.71422.1913.512112.84
31-40 years agolow3.4242.5292.4293.4245.4193.22520.210
moderate3.1265.0202.7277.41610.3148.71537.27
good6.7175.1204.9200.6582.4296.41726.19
very good3.5231.1451.6350.21000.0.0.0.6.418
total16.81113.61211.61311.61318.01018.21089.85
41-50 years agolow1.6352.9262.0323.6233.6242.42916.011
moderate0.8506.1181.8336.9177.8168.31531.78
good3.4243.2253.0260.4711.0446.11817.111
very good3.5230.8500.6580.4710.0.0.0.5.419
total9.21413.1127.41611.31312.41216.71170.25
over 50 years agolow5.81811.81311.21316.11124.298.01577.15
moderate2.03110.8137.11630.7720.01048.25118.94
good4.5216.9176.8170.5573.02635.4757.25
very good3.2250.8500.6580.21000.0.0.6575.419
total15.51130.4825.7847.5547.3692.33258.72
totallow32.4840.8626.7829.5845.5615.511190.53
moderate32.1764.9529.2785.4395.2381.24388.02
good135.6379.9465.443.82221.3971.54377.52
very good222.9221.2916.0101.8310.0.1.538263.42
total423.01206.81137.32120.52162.02169.721219.31
© WSL, Swiss National Forest Inventory, 22.06.2020 #802794/269126
NFI4
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/alow0.0.0.21000.0.0.0.0.0.0.0.0.2100
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21000.0.0.0.0.0.0.0.0.0.0.2100
very good0.21000.0.0.0.0.0.0.0.0.0.0.2100
total0.4710.21000.0.0.0.0.0.0.0.0.658
less than 10 years agolow13.01211.8134.2213.3255.1200.65837.97
moderate17.41023.598.31522.1924.195.918101.44
good85.2440.6628.881.0456.41712.212174.13
very good163.1311.6138.8140.6580.0.0.2100184.23
total278.7287.6450.0526.9835.6718.910497.71
11-20 years agolow5.7188.8155.2201.8333.4240.210025.09
moderate6.31811.0137.91512.11220.793.52361.65
good27.8819.01016.0100.8505.5197.11776.25
very good38.175.8192.4290.5570.0.0.47147.36
total77.9544.7631.5715.11129.6711.213210.03
21-30 years agolow3.0266.4184.6212.8276.8172.03225.59
moderate3.3259.7143.6238.01515.8116.81747.16
good10.0147.4167.8160.8503.2255.81835.17
very good13.6121.3412.4290.0.0.0.0.210017.510
total29.8824.8918.41011.51325.8814.911125.24
31-40 years agolow3.4242.5292.8273.8235.8183.82322.09
moderate3.1266.0182.7278.01610.5139.11539.47
good6.9175.1204.9200.6582.8276.61726.89
very good3.5231.1451.8330.21000.0.0.0.6.617
total17.01114.61112.21212.61219.01019.41094.84
41-50 years agolow1.8332.9262.6284.2223.8232.62817.911
moderate0.8506.1182.2307.7167.8169.51434.17
good3.4243.2253.0260.4711.0446.11817.111
very good3.5231.1450.6580.4710.0.0.0.5.619
total9.51413.3128.41512.71212.71218.11074.65
over 50 years agolow6.31815.61114.61118.31027.6810.81393.14
moderate2.23013.1128.91537.7624.7957.25143.83
good5.3199.01510.0140.7504.22240.8670.05
very good4.0220.8501.1440.21000.0.0.9496.917
total17.71038.5734.6757.0556.65109.63313.92
totallow33.1748.2634.0734.2752.3619.910221.73
moderate33.1769.4533.7795.63103.6391.93427.32
good138.7384.4470.444.22123.2978.63399.62
very good226.0221.7917.0101.8310.0.1.735268.22
total430.91223.71155.12135.82179.22192.111316.80
© WSL, Swiss National Forest Inventory, 22.06.2020 #802795/269127
NFI1
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
time of last treatment (classes of 10 years)
n/aless than 10 years ago11-20 years ago21-30 years ago31-40 years ago41-50 years agoover 50 years agototal
economic regionsite quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juralow0.0.10.1143.5232.9261.0450.6582.32920.29
moderate0.85017.3105.4190.8500.6580.21001.83326.98
good0.47137.9611.4133.5231.5350.0.2.72757.45
very good0.47126.488.2152.1300.4710.6582.13040.26
total1.63591.6328.589.3143.5231.3388.914144.81
Eastern Juralow0.0.3.1251.3410.4710.31000.0.0.31005.319
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21009.8131.5372.4300.4700.0.0.57114.710
very good0.0.20.983.8230.6580.4700.0.0.0.25.76
total0.210033.846.5173.4251.1440.0.0.75745.72
Western Plateaulow0.0.0.9500.4700.21000.21000.0.0.0.1.735
moderate0.0.2.1310.0.0.21000.0.0.0.0.0.2.330
good0.21008.7142.7271.7350.21000.0.1.43815.010
very good0.0.16.1106.9162.0320.7580.4712.03128.16
total0.210027.7610.0134.1221.1440.4713.52447.02
Central Plateaulow0.0.1.8330.21000.4700.21000.0.0.21002.726
moderate0.0.0.4710.0.0.21000.0.0.0.0.0.0.658
good0.0.14.2101.9310.21000.4700.0.0.65817.29
very good0.0.43.743.4240.8500.0.0.0.0.65848.44
total0.0.60.125.5181.5350.6580.0.1.33869.01
Eastern Plateaulow0.0.1.4380.21000.0.0.21000.0.0.21002.032
moderate0.0.0.21000.0.0.21000.0.0.0.0.0.0.471
good0.0.21.893.9221.0450.21000.0.1.04527.97
very good0.0.63.1410.3131.0450.0.0.0.1.14175.53
total0.0.86.5214.3112.1300.4710.0.2.329105.61
Western Pre-Alpslow0.0.0.9451.4380.7591.0500.21001.0465.319
moderate0.0.7.5155.4181.4381.7360.7502.13118.88
good0.0.7.9154.0211.0440.5720.21000.210013.710
very good0.0.1.6350.7580.0.0.0.0.0.0.31002.527
total0.0.17.9811.5123.1263.1271.1413.62440.33
Central Pre-Alpslow0.0.7.0161.9311.2411.8330.7503.62216.210
moderate0.0.7.5153.2240.6580.6580.0.1.24113.111
good0.210035.769.3142.4300.6581.1401.63550.85
very good0.0.11.5132.7280.4710.21000.0.0.210015.011
total0.210061.7417.1104.6213.2251.8316.61795.12
Eastern Pre-Alpslow0.0.1.1401.2410.6581.2400.21000.6584.919
moderate0.0.7.0161.6350.9440.9440.21001.04511.712
good0.0.26.776.9163.1261.6350.6581.93340.75
very good0.0.7.4162.5290.6580.0.0.0.0.0.10.513
total0.0.42.2512.1125.2193.8220.9443.62467.73
Northwestern Alpslow0.0.4.9201.7351.5381.7340.21002.13112.012
moderate0.6589.7135.9183.8231.0450.8502.52824.37
good0.0.5.0193.2251.0441.4380.4711.34012.211
very good0.0.1.6350.21000.0.0.21000.21000.3702.627
total0.65821.3810.9136.2174.4211.5356.21851.13
Central Alpslow0.0.1.2411.6340.21000.4710.21002.5276.116
moderate0.0.1.4370.9430.4710.4700.21001.0444.220
good0.0.4.8181.3370.8500.0.0.6571.6359.012
very good0.0.0.8490.21000.21000.0.0.0.0.4711.632
total0.0.8.1134.0201.5350.8500.9425.61720.95
Northeastern Alpslow0.0.3.1250.6590.4730.5700.31001.4346.416
moderate0.0.2.9261.0451.8330.5580.4700.6577.115
good0.0.4.8192.2290.7490.7490.4721.0459.812
very good0.0.2.1280.7480.21000.4710.0.0.0.3.421
total0.0.12.9104.5203.1242.1301.1453.02426.65
Southwestern Alpslow0.21002.9263.4243.0262.6281.0446.51719.69
moderate0.0.16.21012.81214.1119.0143.72319.0974.83
good0.21001.1410.8500.4710.21000.21000.21003.024
very good0.4710.21000.6580.21000.21000.21000.0.1.632
total0.75020.5917.41017.71011.9125.01925.7899.02
Southeastern Alpslow0.0.6.1183.2253.4243.0261.93110.01427.68
moderate0.47136.1712.4129.6145.0202.2309.21474.94
good0.0.9.0143.4241.7351.8330.0.2.92618.99
very good0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.47151.2519.1914.6119.8144.12222.19121.32
Southern Alpslow0.0.0.21000.8500.6580.0.0.4712.3284.221
moderate0.21006.9165.2196.6177.5167.01621.9955.25
good0.0.12.0139.2147.11711.9126.11816.11162.34
very good0.0.0.0.0.6570.0.0.6570.0.0.0.1.341
total0.210019.01015.81114.21120.0913.51240.36123.12
Switzerlandlow0.210044.6721.31015.41113.9125.51933.18134.14
moderate2.032115.1453.8640.4727.3815.31160.45314.32
good1.241199.4361.5626.7921.499.51432.88352.52
very good0.850195.4240.678.1163.1261.4387.117256.42
total4.122554.51177.2390.8565.7531.78133.341057.41
© WSL, Swiss National Forest Inventory, 22.06.2020 #802796/269128
NFI1
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
time of last treatment (classes of 10 years)
n/aless than 10 years ago11-20 years ago21-30 years ago31-40 years ago41-50 years agoover 50 years agototal
economic regionsite quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juralow0.210010.1143.5232.9261.0450.6582.52820.69
moderate1.04517.7105.4190.8500.6580.4712.03127.97
good0.47138.4612.0123.5231.5350.0.2.72758.65
very good0.65827.488.4152.3290.4710.6582.13041.86
total2.23093.6329.379.5143.5231.5359.314148.91
Eastern Juralow0.0.3.3241.3410.4710.31000.0.0.31005.619
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21009.8131.5372.4300.4700.0.0.57114.710
very good0.0.20.983.8230.6580.6570.0.0.0.25.96
total0.210034.046.5173.4251.3400.0.0.75746.22
Western Plateaulow0.0.0.9500.4700.21000.21000.0.0.0.1.735
moderate0.0.2.3300.0.0.21000.0.0.0.0.0.2.528
good0.6589.1142.7271.7350.21000.0.1.63516.010
very good0.0.16.597.1162.0320.7580.4712.42829.26
total0.65828.8610.2134.1221.1440.4714.02249.32
Central Plateaulow0.0.1.8330.21000.4700.21000.0.0.21002.726
moderate0.0.0.4710.0.0.21000.0.0.0.0.21000.850
good0.0.14.4101.9310.21000.4700.0.1.04417.89
very good0.0.44.343.6230.8500.0.0.0.0.85049.44
total0.0.60.925.7181.5350.6580.0.2.13070.71
Eastern Plateaulow0.0.1.4380.21000.0.0.21000.0.0.21002.032
moderate0.0.0.21000.0.0.21000.0.0.0.0.0.0.471
good0.0.22.283.9221.0450.21000.0.1.04528.27
very good0.0.64.1410.7131.2410.0.0.0.1.53577.43
total0.0.87.8214.7112.3290.4710.0.2.627107.91
Western Pre-Alpslow0.6580.9451.4380.7591.2450.21001.0466.118
moderate0.21007.5155.6181.7361.7360.7502.62920.08
good0.0.7.9154.1211.0440.5720.21000.47114.010
very good0.0.1.6350.7580.0.0.0.0.0.0.31002.527
total0.85017.9811.8113.4253.3261.1414.32242.63
Central Pre-Alpslow1.0457.2161.9311.4382.0320.7504.22118.49
moderate0.4717.5153.2240.6580.6580.21001.43813.811
good0.65837.669.7142.8280.6581.1402.03154.34
very good0.210012.3122.7280.4710.21000.0.0.210016.110
total2.23064.6417.4105.2203.4242.0307.715102.52
Eastern Pre-Alpslow0.4711.1401.4380.6581.2400.21000.9505.718
moderate0.21007.2162.0310.9440.9440.21001.04512.511
good0.0.27.577.3163.1261.8330.6582.52942.75
very good0.21007.6162.5290.6580.0.0.0.0.210011.212
total0.95043.4513.2125.2193.9220.9444.62172.12
Northwestern Alpslow1.2415.3191.7351.5381.9330.21002.33014.011
moderate2.72710.0136.1184.3211.3410.8503.72328.87
good0.9505.4193.6231.1401.6350.4711.93314.910
very good0.0.1.6350.21000.0.0.21000.21000.3702.627
total4.72122.3811.5127.0165.0201.5358.21560.23
Central Alpslow1.6351.2411.6340.21000.4710.21003.1248.314
moderate1.6351.6350.9430.4710.4700.21001.4376.416
good1.4375.8171.3371.1400.0.0.6572.03112.210
very good0.21000.8490.4710.21000.0.0.0.0.4712.029
total4.8209.3134.2201.9310.8500.9426.91529.04
Northeastern Alpslow1.5353.1250.8510.4730.7580.31002.1299.013
moderate1.5382.9261.0451.8330.7500.4700.9449.113
good0.9505.1192.4270.9441.0400.6591.24112.211
very good0.21002.3260.7480.21000.4710.0.0.0.3.720
total4.12213.5104.9193.3242.8251.3414.22034.04
Southwestern Alpslow4.9202.9264.0223.4242.6281.0447.31626.08
moderate4.02217.21014.21114.5119.4143.72322.4985.43
good0.21001.1410.9450.4710.21000.21000.21003.224
very good0.4710.21000.6580.21000.21000.21000.0.1.632
total9.41421.4919.7918.51012.4125.01929.97116.22
Southeastern Alpslow9.0156.3173.2253.4243.0261.93111.51338.37
moderate5.22037.5613.01210.0145.2192.23012.01285.03
good0.8509.4143.6232.1312.2300.0.3.12521.39
very good0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total15.01153.3519.9915.41110.4134.12226.68144.62
Southern Alpslow5.6190.21000.8500.6580.0.0.4712.52710.014
moderate19.997.3165.6196.9167.9157.21624.1878.94
good3.22513.3129.6147.31612.6126.91719.21072.04
very good0.0.0.0.0.6570.0.0.6570.0.0.21001.537
total28.6820.8916.51014.81121.1914.51146.06162.32
Switzerlandlow26.0945.7622.3916.01114.7125.51937.97168.23
moderate36.67119.1457.0642.5728.7815.91171.75371.42
good9.115207.2364.5528.5823.2910.41439.17382.02
very good1.834199.6241.878.5153.3251.4388.515264.92
total73.55571.61185.6395.5469.8533.37157.331186.61
© WSL, Swiss National Forest Inventory, 22.06.2020 #802797/269129
NFI1
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
time of last treatment (classes of 10 years)
n/aless than 10 years ago11-20 years ago21-30 years ago31-40 years ago41-50 years agoover 50 years agototal
economic regionsite quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juralow0.11008.8104.2152.2211.3280.4503.01820.17
moderate0.54518.674.5151.1300.7380.2712.12227.75
good0.73840.5412.192.9181.3280.3583.21861.13
very good0.35827.758.4112.3210.8350.4502.12242.14
total1.72595.6229.258.6114.2151.32810.410151.01
Eastern Juralow0.0.3.2171.1300.5450.2710.0.0.4495.513
moderate0.0.0.2710.0.0.0.0.0.0.0.0.0.0.271
good0.110010.491.9231.2290.6400.11000.45014.87
very good0.110020.354.1150.6410.4500.0.0.0.25.54
total0.27134.037.2112.3201.2280.11000.93446.01
Western Plateaulow0.0.0.9350.6400.2710.11000.0.0.11001.923
moderate0.11001.7240.11000.2710.0.0.0.0.0.2.121
good0.11009.692.8191.1300.11000.2711.52615.57
very good0.110017.366.7122.0220.7370.4502.42029.64
total0.35829.4410.293.6170.9330.6414.01649.02
Central Plateaulow0.0.2.7190.4500.2710.11000.0.0.3583.716
moderate0.0.0.2710.0.0.2710.0.0.0.0.11000.545
good0.110015.872.4200.4500.9330.0.0.54520.16
very good0.110041.033.6160.4500.0.0.0.0.64145.63
total0.27159.726.3121.2291.0310.0.1.52669.91
Eastern Plateaulow0.0.1.3280.2710.2710.11000.0.0.11001.923
moderate0.0.0.11000.0.0.11000.0.0.0.0.0.0.271
good0.110023.564.5140.9330.2710.0.0.83529.95
very good0.0.62.7310.291.2290.3580.0.0.93375.22
total0.110087.5214.982.4200.6410.0.1.823107.21
Western Pre-Alpslow0.0.1.0311.2291.0321.2280.11001.0325.513
moderate0.0.7.5105.6122.3211.3280.4502.02219.26
good0.0.7.4113.9151.4260.6410.2711.03214.67
very good0.0.1.7220.7370.3570.11000.0.0.11002.916
total0.0.17.6611.585.1133.3170.7384.11542.22
Central Pre-Alpslow0.11006.2121.9221.3281.5260.8353.61615.47
moderate0.11009.0103.2170.7380.6410.0.1.42614.97
good0.45038.649.4102.8190.8350.6402.91855.43
very good0.110011.592.0230.3580.11000.11000.27014.38
total0.73865.2316.575.1143.0181.4268.011100.01
Eastern Pre-Alpslow0.0.1.6250.9330.6411.1300.2711.1305.513
moderate0.0.7.3111.6250.8350.8350.2711.13011.78
good0.0.27.657.3112.9181.1300.7371.62541.24
very good0.0.7.9112.3210.7380.2710.11000.27111.58
total0.0.44.4312.185.0143.1171.2294.01569.82
Northwestern Alpslow0.0.5.9121.8241.2291.7250.4502.61913.58
moderate0.3589.796.0123.8160.9330.6413.71625.15
good0.0.4.5153.0181.3271.2280.3581.03111.48
very good0.0.1.8230.6410.11000.2710.11000.3583.117
total0.35822.0611.496.5124.0151.4267.61153.22
Central Alpslow0.0.1.4281.1310.5440.5500.11002.7196.212
moderate0.0.1.6250.8340.6410.4490.6401.1305.213
good0.0.5.1132.0220.7380.11000.3571.82410.18
very good0.0.1.2300.2710.4570.11000.0.0.3582.221
total0.0.9.394.1152.2211.1311.0316.01223.74
Northeastern Alpslow0.0.2.6190.9330.2710.4500.3582.7197.211
moderate0.0.3.2170.9331.4260.4500.3581.2287.411
good0.0.5.3131.7230.9330.8350.4501.03110.19
very good0.0.2.0210.7340.11000.5440.11000.11003.515
total0.0.13.174.2142.6192.1211.1305.01328.23
Southwestern Alpslow0.4502.9183.1183.2172.6190.9335.91319.17
moderate0.35818.7713.6813.288.8103.31720.9678.72
good0.3581.2280.7380.3580.2710.2710.2703.017
very good0.2710.2710.6400.11000.2710.11000.3581.623
total1.12923.0617.9716.8711.894.51527.36102.42
Southeastern Alpslow0.2716.2123.0182.9182.8192.0229.91027.16
moderate0.27137.1513.888.5115.8133.21713.1881.83
good0.0.10.693.7161.9232.1220.11002.42020.86
very good0.0.0.11000.0.0.0.0.0.0.0.0.0.0.1100
total0.45054.0420.5713.3810.895.41325.46129.71
Southern Alpslow0.0.0.2710.4500.7380.11000.3582.9184.614
moderate0.11008.3116.1137.6118.8107.01222.1659.93
good0.0.11.899.1107.51112.785.91318.7765.63
very good0.0.0.2710.4500.0.0.3580.0.0.3581.229
total0.110020.5716.0815.8821.8613.2844.04131.41
Switzerlandlow0.83544.9520.8715.0813.795.51336.45137.13
moderate1.625123.1356.1440.6528.5615.8868.84334.51
good1.824211.9264.5426.3622.769.21037.15373.61
very good0.933195.5240.558.5113.9161.3287.811258.41
total5.114575.41181.9290.4368.9431.85150.021103.60
© WSL, Swiss National Forest Inventory, 22.06.2020 #802798/269130
NFI1
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
time of last treatment (classes of 10 years)
n/aless than 10 years ago11-20 years ago21-30 years ago31-40 years ago41-50 years agoover 50 years agototal
economic regionsite quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juralow0.0.10.1143.5232.9261.0450.6582.52820.49
moderate0.85017.7105.4190.8500.6580.4712.03127.77
good0.47138.4611.8123.5231.5350.0.2.72758.45
very good0.47127.488.4152.3290.4710.6582.13041.66
total1.63593.6329.189.5143.5231.5359.314148.21
Eastern Juralow0.0.3.3241.3410.4710.31000.0.0.31005.619
moderate0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
good0.21009.8131.5372.4300.4700.0.0.57114.710
very good0.0.20.983.8230.6580.4700.0.0.0.25.76
total0.210034.046.5173.4251.1440.0.0.75746.02
Western Plateaulow0.0.0.9500.4700.21000.21000.0.0.0.1.735
moderate0.0.2.3300.0.0.21000.0.0.0.0.0.2.528
good0.21009.1142.7271.7350.21000.0.1.63515.610
very good0.0.16.597.1162.0320.7580.4712.23029.06
total0.210028.8610.2134.1221.1440.4713.82248.72
Central Plateaulow0.0.1.8330.21000.4700.21000.0.0.21002.726
moderate0.0.0.4710.0.0.21000.0.0.0.0.21000.850
good0.0.14.4101.9310.21000.4700.0.0.65817.49
very good0.0.44.143.6230.8500.0.0.0.0.85049.24
total0.0.60.725.7181.5350.6580.0.1.73370.11
Eastern Plateaulow0.0.1.4380.21000.0.0.21000.0.0.21002.032
moderate0.0.0.21000.0.0.21000.0.0.0.0.0.0.471
good0.0.22.283.9221.0450.21000.0.1.04528.27
very good0.0.64.1410.7131.0450.0.0.0.1.53577.23
total0.0.87.8214.7112.1300.4710.0.2.627107.71
Western Pre-Alpslow0.0.0.9451.4380.7591.2450.21001.0465.519
moderate0.0.7.5155.6181.7361.7360.7502.13119.38
good0.0.7.9154.1211.0440.5720.21000.47114.010
very good0.0.1.6350.7580.0.0.0.0.0.0.31002.527
total0.0.17.9811.8113.4253.3261.1413.82341.33
Central Pre-Alpslow0.0.7.2161.9311.4382.0320.7503.62216.810
moderate0.0.7.5153.2240.6580.6580.0.1.24113.111
good0.210037.369.5142.6290.6581.1402.03153.24
very good0.0.12.3122.7280.4710.21000.0.0.210015.810
total0.210064.3417.2105.0203.4241.8317.01698.92
Eastern Pre-Alpslow0.0.1.1401.4380.6581.2400.21000.6585.119
moderate0.0.7.2162.0310.9440.9440.21001.04512.311
good0.0.27.577.3163.1261.6350.6582.13142.15
very good0.0.7.6162.5290.6580.0.0.0.0.0.10.713
total0.0.43.4513.2125.2193.8220.9443.82370.12
Northwestern Alpslow0.0.5.1191.7351.5381.9330.21002.13112.412
moderate0.65810.0136.1184.3211.3410.8503.32526.37
good0.0.5.4193.6231.1401.6350.4711.34013.411
very good0.0.1.6350.21000.0.0.21000.21000.3702.627
total0.65822.1811.5127.0165.0201.5357.01754.73
Central Alpslow0.0.1.2411.6340.21000.4710.21002.7266.316
moderate0.0.1.4370.9430.4710.4700.21001.2404.419
good0.0.5.6171.3371.1400.0.0.6571.83310.411
very good0.0.0.8490.4710.21000.0.0.0.0.4711.830
total0.0.8.9134.2201.9310.8500.9426.11622.95
Northeastern Alpslow0.0.3.1250.8510.4730.5700.31001.8307.016
moderate0.0.2.9261.0451.8330.5580.4700.7497.215
good0.0.5.0192.4270.9440.7490.4721.04510.412
very good0.0.2.3260.7480.21000.4710.0.0.0.3.620
total0.0.13.3104.9193.3242.1301.1453.52128.25
Southwestern Alpslow0.21002.9264.0223.2252.6281.0446.71720.69
moderate0.0.17.21013.61114.1119.0143.72320.6978.23
good0.21001.1410.9450.4710.21000.21000.21003.224
very good0.4710.21000.6580.21000.21000.21000.0.1.632
total0.75021.4919.1917.91011.9125.01927.58103.62
Southeastern Alpslow0.0.6.3173.2253.4243.0261.93111.01328.87
moderate0.47137.1612.8129.8145.0202.23011.21378.54
good0.0.9.4143.6231.9331.8330.0.2.92619.79
very good0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.47152.8519.7915.0119.8144.12225.18127.02
Southern Alpslow0.0.0.21000.8500.6580.0.0.4712.3284.221
moderate0.21007.3165.4196.8167.9157.21622.9857.65
good0.0.13.3129.6147.31611.9126.51717.61066.24
very good0.0.0.0.0.6570.0.0.6570.0.0.21001.537
total0.210020.8916.31014.61120.5914.11143.16129.52
Switzerlandlow0.210045.5622.3915.81114.5125.51935.17139.04
moderate2.032118.5456.0641.7727.9815.71166.55328.32
good1.241206.6364.1528.1821.699.81435.57366.92
very good0.850199.4241.878.4153.1261.4388.016262.82
total4.122570.01184.3394.0467.1532.58145.131097.01
© WSL, Swiss National Forest Inventory, 22.06.2020 #802799/269131
NFI1
forest area
time of last treatment (classes of 10 years) · site quality
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
time of last treatment (classes of 10 years)
n/aless than 10 years ago11-20 years ago21-30 years ago31-40 years ago41-50 years agoover 50 years agototal
economic regionsite quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juralow0.3588.9104.2152.2211.3280.4503.11820.57
moderate0.64118.674.5151.1300.7380.2712.12227.85
good0.93340.5412.292.9181.3280.3583.21861.43
very good0.45027.758.4112.3210.8350.4502.12242.24
total2.22195.7229.358.6114.2151.32810.510151.91
Eastern Juralow0.0.3.2171.1300.5450.2710.0.0.4495.513
moderate0.0.0.2710.0.0.0.0.0.0.0.0.0.0.271
good0.110010.491.9231.2290.6400.11000.45014.87
very good0.110020.354.1150.6410.5440.0.0.0.25.64
total0.27134.037.2112.3201.3270.11000.93446.11
Western Plateaulow0.0.0.9350.6400.2710.11000.0.0.11001.923
moderate0.11001.7240.11000.2710.0.0.0.0.0.2.121
good0.3589.792.8191.1300.11000.2711.52615.87
very good0.110017.366.7122.0220.7370.4502.52029.74
total0.54529.5410.293.6170.9330.6414.11549.52
Central Plateaulow0.0.2.7190.4500.2710.11000.0.0.3583.716
moderate0.0.0.2710.0.0.2710.0.0.0.0.11000.545
good0.110015.972.4200.4500.9330.0.0.73820.56
very good0.110041.133.6160.4500.0.0.0.0.64145.83
total0.27159.926.5121.2291.0310.0.1.72470.41
Eastern Plateaulow0.0.1.3280.2710.2710.11000.0.0.11001.923
moderate0.0.0.11000.0.0.11000.0.0.0.0.0.0.271
good0.110023.664.5140.9330.2710.0.0.83530.05
very good0.0.62.7310.291.3280.3580.0.0.93375.32
total0.110087.6214.982.5200.6410.0.1.823107.41
Western Pre-Alpslow0.4501.0311.2291.1301.2280.11001.0326.012
moderate0.2717.5105.6122.3211.3280.4502.32119.75
good0.2717.4113.9151.4260.6410.2711.03214.87
very good0.0.1.7220.7370.3570.11000.0.0.11002.916
total0.83517.6611.585.1133.3170.7384.41543.42
Central Pre-Alpslow0.8356.2121.9221.3281.6250.8353.91516.57
moderate0.3589.0103.2170.7380.6410.11001.52615.37
good0.64138.949.5103.1180.8350.6403.01856.43
very good0.27111.592.0230.3580.11000.11000.27014.48
total1.92365.5316.775.4133.1181.5258.510102.61
Eastern Pre-Alpslow0.3581.6251.0320.6411.1300.2711.3276.112
moderate0.11007.3111.6250.8350.8350.2711.22911.98
good0.0.27.657.4112.9181.2290.7372.12241.93
very good0.11007.9112.3210.7380.2710.11000.35811.78
total0.54544.4312.385.0143.2171.2295.01471.52
Northwestern Alpslow1.7246.0121.8241.2291.7250.4503.01815.87
moderate1.8239.996.0123.8160.9330.6414.61427.85
good0.4504.6143.0181.4261.3270.4501.52512.78
very good0.0.1.8230.6410.11000.2710.11000.3583.117
total4.01622.4611.496.6124.1151.5259.51059.42
Central Alpslow1.4271.4281.1310.5440.5500.11003.0188.010
moderate2.6201.7240.8340.6410.4490.6401.2297.910
good1.3295.2132.0220.7380.11000.3572.02311.68
very good0.11001.2300.2710.4570.11000.0.0.3582.320
total5.4139.594.1152.2211.1311.0316.51229.83
Northeastern Alpslow1.6252.6190.9330.3580.7370.3582.8189.49
moderate1.2293.2170.9331.4260.5450.3581.3278.910
good1.0325.4131.7230.9330.9310.5451.22911.68
very good0.2712.0210.7340.11000.5440.11000.11003.714
total4.01513.274.2142.7192.6191.2295.41333.53
Southwestern Alpslow5.1142.9183.3173.3172.6190.9336.51224.76
moderate4.31519.1713.9813.589.0103.41722.8686.02
good0.3581.2280.7380.3580.2710.2710.2703.017
very good0.3570.2710.6400.11000.2710.11000.3581.723
total10.01023.4618.4717.2712.094.61429.85115.41
Southeastern Alpslow8.2116.2123.0182.9182.8192.02210.5935.75
moderate5.11437.4513.988.7106.0133.21714.1888.52
good1.03110.693.8162.0232.4200.11002.61922.56
very good0.0.0.11000.0.0.0.0.0.0.0.0.0.0.1100
total14.4854.3420.7713.6811.395.41327.26146.81
Southern Alpslow4.8140.2710.4500.7380.11000.3583.3179.810
moderate18.878.3116.2127.7119.0107.01223.2680.13
good4.31511.999.2107.51113.486.31220.6773.13
very good0.0.0.2710.4500.0.0.3580.11000.3581.328
total27.9620.6716.2715.9822.7613.7847.44164.41
Switzerlandlow24.7645.1521.1715.3814.185.51339.55165.32
moderate35.25124.1356.6441.2529.2616.0874.43376.71
good10.710212.9265.2426.7624.169.81040.85390.31
very good1.625195.6240.658.6114.0161.4278.011259.81
total72.24577.71183.5291.8371.5432.75162.721192.20
© WSL, Swiss National Forest Inventory, 22.06.2020 #802800/269132
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