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NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago68.1415.21183.33
11-20 years ago23.595.31928.88
21-30 years ago16.8105.31922.19
31-40 years ago6.0181.9317.915
41-50 years ago1.5351.3382.826
over 50 years ago4.4213.2247.616
total120.2232.37152.51
Eastern Juraless than 10 years ago26.663.52430.25
11-20 years ago7.9150.4718.315
21-30 years ago3.9220.6584.520
31-40 years ago1.0440.4701.537
41-50 years ago1.3410.4701.735
over 50 years ago0.4700.0.0.470
total41.235.41946.62
Western Plateauless than 10 years ago30.853.82334.65
11-20 years ago6.2170.8507.016
21-30 years ago3.5220.0.3.522
31-40 years ago1.4400.21001.537
41-50 years ago1.3410.21001.538
over 50 years ago1.5370.21001.735
total44.735.21949.92
Central Plateauless than 10 years ago46.744.81951.53
11-20 years ago9.3142.42911.612
21-30 years ago3.3241.3374.720
31-40 years ago0.8500.21001.045
41-50 years ago0.0.0.21000.2100
over 50 years ago0.8500.6581.338
total60.929.41370.31
Eastern Plateauless than 10 years ago79.933.82283.83
11-20 years ago13.4111.24114.611
21-30 years ago5.8180.21006.118
31-40 years ago1.8330.21002.031
41-50 years ago0.8500.21000.945
over 50 years ago0.4710.4710.850
total102.116.018108.11
Western Pre-Alpsless than 10 years ago8.01511.91219.98
11-20 years ago4.5213.4237.915
21-30 years ago1.2414.0225.319
31-40 years ago1.7332.5264.220
41-50 years ago0.7501.4342.128
over 50 years ago2.8273.3266.118
total19.0926.4645.53
Central Pre-Alpsless than 10 years ago26.2829.7755.94
11-20 years ago7.3168.51515.911
21-30 years ago6.9173.62410.513
31-40 years ago3.7232.4306.118
41-50 years ago1.2411.3412.529
over 50 years ago6.9163.62310.513
total52.4549.05101.42
Eastern Pre-Alpsless than 10 years ago18.7917.61036.36
11-20 years ago6.7177.71514.411
21-30 years ago4.7204.8209.514
31-40 years ago1.6352.6264.321
41-50 years ago0.8501.6352.429
over 50 years ago4.5213.2257.616
total37.2637.4574.62
Northwestern Alpsless than 10 years ago6.91710.31317.210
11-20 years ago5.3198.11513.411
21-30 years ago2.8274.4217.316
31-40 years ago3.0254.1227.216
41-50 years ago1.9333.5245.319
over 50 years ago8.2155.51913.712
total28.1736.0564.13
Central Alpsless than 10 years ago4.9195.51710.411
11-20 years ago2.6272.7255.318
21-30 years ago1.4380.6582.032
31-40 years ago0.8492.1302.925
41-50 years ago1.4380.9432.328
over 50 years ago4.9192.6277.515
total15.9914.4930.44
Northeastern Alpsless than 10 years ago3.1257.61510.712
11-20 years ago2.4294.0206.416
21-30 years ago1.7333.0254.720
31-40 years ago1.2411.3382.528
41-50 years ago1.0451.4382.429
over 50 years ago5.2193.3238.514
total14.51020.7735.24
Southwestern Alpsless than 10 years ago8.61515.91024.68
11-20 years ago3.32410.61313.911
21-30 years ago6.5178.01514.511
31-40 years ago3.8237.21611.013
41-50 years ago5.3199.51414.811
over 50 years ago13.61229.0742.56
total41.2680.13121.32
Southeastern Alpsless than 10 years ago18.71023.5942.16
11-20 years ago12.51218.61031.07
21-30 years ago10.91311.41322.29
31-40 years ago8.0166.21714.211
41-50 years ago5.5194.52110.014
over 50 years ago26.7818.61045.36
total82.3482.74164.92
Southern Alpsless than 10 years ago5.41912.21217.510
11-20 years ago5.2199.81414.911
21-30 years ago7.71613.31221.09
31-40 years ago5.4199.61415.011
41-50 years ago4.62110.91315.511
over 50 years ago18.01070.4488.54
total46.26126.22172.42
Switzerlandless than 10 years ago352.72165.33518.01
11-20 years ago110.0483.55193.53
21-30 years ago77.3560.56137.84
31-40 years ago40.3741.1781.35
41-50 years ago27.3937.1764.55
over 50 years ago98.44143.73242.12
total706.01531.211237.21
© WSL, Swiss National Forest Inventory, 19.06.2020 #849468/315799
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago66.9415.21082.13
11-20 years ago23.085.11828.17
21-30 years ago18.694.81923.38
31-40 years ago5.8171.7317.515
41-50 years ago1.6331.2382.825
over 50 years ago5.0193.5228.514
total120.8231.57152.31
Eastern Juraless than 10 years ago26.363.42329.85
11-20 years ago7.6150.7508.314
21-30 years ago4.0210.6584.519
31-40 years ago1.0440.4701.437
41-50 years ago1.8330.4702.230
over 50 years ago0.4700.0.0.470
total41.035.51846.52
Western Plateauless than 10 years ago30.653.62234.24
11-20 years ago5.9170.7506.716
21-30 years ago3.6210.21003.820
31-40 years ago1.5370.21001.635
41-50 years ago1.3380.21001.535
over 50 years ago1.5350.21001.733
total44.535.01849.62
Central Plateauless than 10 years ago46.245.01851.23
11-20 years ago9.5132.02911.511
21-30 years ago3.8211.7315.517
31-40 years ago0.7500.3701.041
41-50 years ago0.0.0.21000.2100
over 50 years ago0.7500.5581.238
total60.929.81270.71
Eastern Plateauless than 10 years ago78.934.02082.92
11-20 years ago13.5111.14114.610
21-30 years ago5.9170.4716.316
31-40 years ago1.9300.21002.129
41-50 years ago0.7500.21000.945
over 50 years ago0.4710.3710.750
total101.316.116107.51
Western Pre-Alpsless than 10 years ago8.21411.31119.57
11-20 years ago4.2204.4198.613
21-30 years ago1.1413.9214.919
31-40 years ago1.7322.4254.119
41-50 years ago0.7501.8302.425
over 50 years ago2.4273.2245.717
total18.2827.0645.33
Central Pre-Alpsless than 10 years ago25.3830.1755.44
11-20 years ago7.3158.61415.810
21-30 years ago7.5153.62311.112
31-40 years ago3.5222.3295.817
41-50 years ago1.1411.5352.627
over 50 years ago6.5163.92110.512
total51.2550.14101.22
Eastern Pre-Alpsless than 10 years ago17.8917.8935.66
11-20 years ago6.3177.91414.210
21-30 years ago5.1184.81810.013
31-40 years ago2.1292.4254.619
41-50 years ago0.9451.6332.627
over 50 years ago4.1213.6217.615
total36.3638.1574.52
Northwestern Alpsless than 10 years ago6.11610.61216.79
11-20 years ago4.7198.11412.911
21-30 years ago3.2235.0188.214
31-40 years ago3.1244.1207.215
41-50 years ago1.8313.2234.918
over 50 years ago8.1155.51713.611
total27.0736.6563.53
Central Alpsless than 10 years ago4.9185.81610.611
11-20 years ago2.3272.8245.118
21-30 years ago1.6330.5582.129
31-40 years ago1.2372.1283.422
41-50 years ago1.4350.9432.327
over 50 years ago4.9182.6267.515
total16.4914.7831.04
Northeastern Alpsless than 10 years ago3.4227.51410.911
11-20 years ago2.3283.8206.116
21-30 years ago2.1293.0245.118
31-40 years ago1.1411.2382.328
41-50 years ago1.1411.2382.327
over 50 years ago5.7173.3229.013
total15.6920.0735.64
Southwestern Alpsless than 10 years ago8.41415.81024.18
11-20 years ago3.92110.21314.011
21-30 years ago6.8167.71514.511
31-40 years ago4.7197.71512.412
41-50 years ago4.9199.01313.911
over 50 years ago14.21128.1742.35
total42.7678.53121.22
Southeastern Alpsless than 10 years ago17.71023.5841.36
11-20 years ago12.71217.8930.57
21-30 years ago11.11211.51222.68
31-40 years ago8.3146.11714.511
41-50 years ago5.8174.22010.013
over 50 years ago26.5819.2945.66
total82.2482.33164.52
Southern Alpsless than 10 years ago5.01913.71118.79
11-20 years ago4.8198.91413.711
21-30 years ago7.81513.01120.89
31-40 years ago5.2189.71314.911
41-50 years ago4.12111.01215.111
over 50 years ago18.0969.8487.83
total44.96126.12171.01
Switzerlandless than 10 years ago345.82167.33513.11
11-20 years ago107.9482.24190.13
21-30 years ago82.1560.65142.73
31-40 years ago41.8641.0682.74
41-50 years ago27.2836.4763.65
over 50 years ago98.34143.73242.02
total703.11531.211234.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #849469/315800
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago67.7415.21182.93
11-20 years ago23.195.11928.28
21-30 years ago16.2105.31921.59
31-40 years ago6.2171.9318.115
41-50 years ago1.5351.3382.826
over 50 years ago4.6213.2247.815
total119.2232.07151.31
Eastern Juraless than 10 years ago26.663.52430.25
11-20 years ago7.9150.4718.315
21-30 years ago3.9220.6584.520
31-40 years ago1.0440.4701.537
41-50 years ago1.3410.4701.735
over 50 years ago0.6570.0.0.657
total41.435.41946.82
Western Plateauless than 10 years ago30.653.62334.25
11-20 years ago5.8180.8506.617
21-30 years ago3.5220.0.3.522
31-40 years ago1.4400.21001.537
41-50 years ago1.3410.21001.538
over 50 years ago2.2310.21002.430
total44.735.01949.72
Central Plateauless than 10 years ago46.544.81951.33
11-20 years ago9.1142.42911.412
21-30 years ago3.3241.3374.720
31-40 years ago0.6580.21000.850
41-50 years ago0.0.0.21000.2100
over 50 years ago1.0450.8501.733
total60.529.61370.11
Eastern Plateauless than 10 years ago79.833.82283.63
11-20 years ago13.2111.24114.411
21-30 years ago5.8180.21006.118
31-40 years ago1.8330.21002.031
41-50 years ago0.8500.21000.945
over 50 years ago0.21000.4710.658
total101.616.018107.61
Western Pre-Alpsless than 10 years ago8.01511.91219.98
11-20 years ago4.5213.4237.915
21-30 years ago1.2414.0225.319
31-40 years ago1.7332.3274.020
41-50 years ago0.7501.4342.128
over 50 years ago3.1253.5256.617
total19.4926.4645.83
Central Pre-Alpsless than 10 years ago25.8829.5755.34
11-20 years ago7.3168.71516.110
21-30 years ago6.9173.82310.713
31-40 years ago3.7232.6296.318
41-50 years ago1.2411.5382.728
over 50 years ago8.8153.82312.512
total53.8549.85103.62
Eastern Pre-Alpsless than 10 years ago18.6917.11035.76
11-20 years ago6.7178.01514.711
21-30 years ago4.7204.8209.514
31-40 years ago1.6352.6264.321
41-50 years ago0.8501.6352.429
over 50 years ago4.9203.5238.415
total37.4637.7575.02
Northwestern Alpsless than 10 years ago6.91710.11317.010
11-20 years ago5.1198.31513.411
21-30 years ago3.0264.4217.516
31-40 years ago3.0253.9227.016
41-50 years ago2.0313.5245.519
over 50 years ago10.0145.91815.911
total30.1736.2566.33
Central Alpsless than 10 years ago4.2205.7179.912
11-20 years ago2.6273.1245.717
21-30 years ago1.8330.6582.429
31-40 years ago0.8492.1302.925
41-50 years ago1.4381.3372.726
over 50 years ago6.3173.4239.713
total17.1916.2833.34
Northeastern Alpsless than 10 years ago2.9268.11411.012
11-20 years ago2.2304.0206.216
21-30 years ago1.7333.0254.720
31-40 years ago1.2411.5352.727
41-50 years ago1.0451.4382.429
over 50 years ago5.9175.51811.412
total14.91023.6638.43
Southwestern Alpsless than 10 years ago8.61515.91024.68
11-20 years ago3.32410.61313.911
21-30 years ago6.5178.01514.511
31-40 years ago3.8237.21611.113
41-50 years ago6.3189.91316.211
over 50 years ago15.41130.7746.15
total44.0682.33126.32
Southeastern Alpsless than 10 years ago18.51023.5941.96
11-20 years ago12.11318.61030.67
21-30 years ago10.91311.81322.69
31-40 years ago7.6166.41714.012
41-50 years ago5.5194.3219.814
over 50 years ago28.5820.5949.06
total83.0485.03168.02
Southern Alpsless than 10 years ago5.21912.61217.710
11-20 years ago5.2199.81414.911
21-30 years ago8.11513.11221.29
31-40 years ago5.81810.31416.011
41-50 years ago5.61911.11316.711
over 50 years ago23.8975.7499.53
total53.55132.52186.01
Switzerlandless than 10 years ago350.02165.23515.21
11-20 years ago108.0484.35192.33
21-30 years ago77.7560.96138.54
31-40 years ago40.3742.0782.25
41-50 years ago29.5838.2767.75
over 50 years ago115.24157.13272.32
total720.61547.711268.30
© WSL, Swiss National Forest Inventory, 19.06.2020 #849470/315801
NFI4
forest area
protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago68.9414.81183.83
11-20 years ago22.995.61828.58
21-30 years ago10.6132.92513.511
31-40 years ago7.1162.4299.514
41-50 years ago4.6201.3386.018
over 50 years ago4.5214.8209.314
total118.6231.87150.51
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago23.672.52826.16
11-20 years ago10.9121.63512.511
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago1.7340.4712.231
total41.235.41946.62
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago27.863.62331.45
11-20 years ago7.4160.6578.015
21-30 years ago3.9230.21004.122
31-40 years ago2.0310.21002.229
41-50 years ago1.1440.4701.537
over 50 years ago1.7350.0.1.735
total44.135.01949.12
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago47.645.41853.03
11-20 years ago9.3132.13011.512
21-30 years ago1.4370.8502.130
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8500.4701.241
total59.739.41369.11
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago76.833.52380.23
11-20 years ago15.3111.04516.310
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago0.8500.5581.338
total101.616.018107.61
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.11610.41317.59
11-20 years ago3.7235.3199.014
21-30 years ago2.6282.6265.219
31-40 years ago1.0452.5273.523
41-50 years ago1.4381.6333.024
over 50 years ago1.7343.3255.120
total17.6925.8643.33
Central Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago24.2824.3848.55
11-20 years ago12.11211.91224.08
21-30 years ago3.0264.3227.316
31-40 years ago3.9231.8355.719
41-50 years ago2.7271.5384.222
over 50 years ago5.3194.4219.714
total51.2548.2599.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.01016.31032.36
11-20 years ago8.5158.51417.010
21-30 years ago3.3253.1256.417
31-40 years ago2.3293.1255.418
41-50 years ago1.9332.1304.022
over 50 years ago4.1223.1257.216
total36.1636.2572.32
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago6.81712.21219.09
11-20 years ago3.8235.2199.114
21-30 years ago3.3256.1179.314
31-40 years ago1.6352.7274.321
41-50 years ago2.0312.9264.920
over 50 years ago6.2186.11712.312
total23.7835.2558.93
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.5274.5207.015
11-20 years ago2.1293.1245.217
21-30 years ago2.3291.8324.021
31-40 years ago1.0450.9441.931
41-50 years ago0.6561.0441.535
over 50 years ago3.7222.0315.617
total12.11113.3925.44
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.2286.8168.913
11-20 years ago1.7344.5196.216
21-30 years ago1.5382.6264.121
31-40 years ago0.9441.3382.228
41-50 years ago0.4721.1451.537
over 50 years ago2.7264.2216.916
total9.51320.3729.85
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.31618.21025.58
11-20 years ago4.02210.61314.511
21-30 years ago2.2307.6169.714
31-40 years ago3.6235.9189.614
41-50 years ago3.0267.01610.114
over 50 years ago14.21130.2744.56
total34.3779.53113.82
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago15.41117.21032.67
11-20 years ago12.11216.71028.88
21-30 years ago8.81512.81221.59
31-40 years ago7.1169.11416.211
41-50 years ago4.0225.4199.414
over 50 years ago16.21118.01034.27
total63.5579.34142.82
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago4.42113.31217.710
11-20 years ago2.8277.1179.914
21-30 years ago2.7279.21411.913
31-40 years ago4.1228.91513.112
41-50 years ago2.62810.81313.412
over 50 years ago15.31168.7484.04
total32.07117.92150.02
Switzerlandn/a0.4710.0.0.471
less than 10 years ago330.62153.03483.61
11-20 years ago116.7483.85200.53
21-30 years ago54.0655.16109.14
31-40 years ago38.5740.1778.65
41-50 years ago26.0935.2761.26
over 50 years ago79.15146.13225.23
total645.21513.411158.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849471/315802
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
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
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago67.0414.81181.94
11-20 years ago21.795.21926.98
21-30 years ago9.8142.92512.712
31-40 years ago6.4172.4298.914
41-50 years ago4.4211.3385.818
over 50 years ago3.9224.8208.714
total113.3231.47144.81
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago22.972.52825.56
11-20 years ago10.7121.63512.411
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago1.7340.4712.231
total40.335.41945.72
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago26.863.62330.45
11-20 years ago7.2160.6577.815
21-30 years ago3.7230.21003.923
31-40 years ago1.8330.21002.031
41-50 years ago0.9500.4701.340
over 50 years ago1.5370.0.1.537
total42.035.01947.02
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago47.545.41852.83
11-20 years ago9.3132.13011.512
21-30 years ago1.4370.8502.130
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8500.4701.241
total59.539.41369.01
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago75.233.52378.73
11-20 years ago15.0111.04516.010
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago0.8500.5581.338
total99.626.018105.61
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago6.71710.21316.99
11-20 years ago3.4245.3198.714
21-30 years ago1.6362.4274.021
31-40 years ago1.0452.3283.224
41-50 years ago1.2411.6332.825
over 50 years ago1.7342.9274.621
total15.61024.7740.33
Central Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago23.4824.1847.55
11-20 years ago11.51311.31322.99
21-30 years ago3.0264.3227.316
31-40 years ago3.7231.8355.519
41-50 years ago2.3291.5383.823
over 50 years ago3.9224.2228.115
total47.9547.2595.12
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago15.01115.61030.67
11-20 years ago7.9158.51416.410
21-30 years ago2.8273.1256.018
31-40 years ago2.1302.9265.019
41-50 years ago1.6351.9313.523
over 50 years ago3.5242.8266.218
total32.9634.8667.73
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago5.81812.01217.79
11-20 years ago2.8264.8207.615
21-30 years ago2.7275.4188.115
31-40 years ago1.2412.7273.922
41-50 years ago1.6352.9264.520
over 50 years ago3.6245.7189.314
total17.61033.5651.13
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.1293.7225.817
11-20 years ago1.9312.5264.419
21-30 years ago1.4361.8323.223
31-40 years ago0.8500.7491.535
41-50 years ago0.6561.0441.535
over 50 years ago2.7251.8324.419
total9.51211.51020.95
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.0306.8168.814
11-20 years ago1.5364.3205.817
21-30 years ago1.3412.4273.722
31-40 years ago0.5561.3381.831
41-50 years ago0.4721.1451.537
over 50 years ago1.8333.3245.119
total7.61519.1726.65
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago4.62117.41022.19
11-20 years ago3.52310.61314.111
21-30 years ago1.6356.8168.315
31-40 years ago2.0314.5216.517
41-50 years ago1.8336.2178.015
over 50 years ago11.01329.0740.06
total24.5874.5399.02
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago14.01114.91128.98
11-20 years ago10.01416.01126.08
21-30 years ago6.11811.71317.910
31-40 years ago4.7207.51612.212
41-50 years ago2.8275.2198.015
over 50 years ago13.01215.41128.48
total50.6570.74121.32
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago3.82311.91215.811
11-20 years ago2.6286.3188.915
21-30 years ago1.0457.0178.015
31-40 years ago1.8336.2188.015
41-50 years ago1.7359.41411.013
over 50 years ago9.31462.1471.44
total20.19103.03123.12
Switzerlandn/a0.4710.0.0.471
less than 10 years ago316.92146.53463.42
11-20 years ago109.2480.05189.23
21-30 years ago44.8750.1694.94
31-40 years ago29.9833.7863.65
41-50 years ago20.91032.6853.56
over 50 years ago59.26133.23192.43
total581.21476.111057.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #849472/315803
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago68.9414.81183.83
11-20 years ago22.995.61828.58
21-30 years ago10.6132.92513.511
31-40 years ago7.1162.4299.514
41-50 years ago4.6201.3386.018
over 50 years ago4.5214.8209.314
total118.6231.87150.51
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago23.672.52826.16
11-20 years ago10.9121.63512.511
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago1.7340.4712.231
total41.235.41946.62
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago27.863.62331.45
11-20 years ago7.4160.6578.015
21-30 years ago3.9230.21004.122
31-40 years ago2.0310.21002.229
41-50 years ago1.1440.4701.537
over 50 years ago1.7350.0.1.735
total44.135.01949.12
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago47.945.41853.23
11-20 years ago9.3132.13011.512
21-30 years ago1.4370.8502.130
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8500.4701.241
total59.929.41369.31
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago76.833.52380.23
11-20 years ago15.3111.04516.310
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago0.8500.5581.338
total101.616.018107.61
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.11610.41317.59
11-20 years ago3.7235.3199.014
21-30 years ago3.0262.6265.618
31-40 years ago1.0452.5273.523
41-50 years ago1.4381.6333.024
over 50 years ago2.4303.5245.918
total18.6926.0644.63
Central Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago24.2824.3848.55
11-20 years ago12.11211.91224.08
21-30 years ago3.0264.3227.316
31-40 years ago3.9231.8355.719
41-50 years ago2.7271.5384.222
over 50 years ago6.1184.42110.513
total52.0548.25100.22
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.01016.31032.36
11-20 years ago8.5158.51417.010
21-30 years ago3.3253.4246.617
31-40 years ago2.3293.1255.418
41-50 years ago2.1312.1304.221
over 50 years ago4.5213.1257.616
total36.7636.4573.22
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago6.81712.21219.09
11-20 years ago4.0225.2199.314
21-30 years ago3.5246.1179.514
31-40 years ago1.8332.7274.521
41-50 years ago3.0262.9265.918
over 50 years ago8.0166.11714.111
total27.1835.2562.33
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.5274.5207.015
11-20 years ago2.1293.3235.417
21-30 years ago2.9262.0314.819
31-40 years ago1.8331.1402.925
41-50 years ago0.6561.0441.535
over 50 years ago5.3192.6277.815
total15.11014.4929.64
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.4276.8169.113
11-20 years ago2.1304.5196.616
21-30 years ago1.7352.6264.321
31-40 years ago1.6331.3382.925
41-50 years ago0.7581.1451.735
over 50 years ago5.7184.2219.813
total14.11020.3734.54
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.31618.21025.58
11-20 years ago4.42110.61314.911
21-30 years ago2.2307.6169.714
31-40 years ago5.5196.11811.613
41-50 years ago4.0227.21611.313
over 50 years ago17.11030.4747.55
total40.4680.13120.52
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago15.61117.61033.27
11-20 years ago12.11216.71028.88
21-30 years ago9.21513.01222.19
31-40 years ago8.3159.81418.010
41-50 years ago6.8175.61812.412
over 50 years ago28.5818.81047.36
total80.4481.54162.02
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago4.82013.51218.310
11-20 years ago3.4247.31610.713
21-30 years ago4.1229.41413.512
31-40 years ago7.71610.51318.210
41-50 years ago5.21911.51316.711
over 50 years ago19.71072.6492.33
total44.96124.82169.72
Switzerlandn/a0.4710.0.0.471
less than 10 years ago331.62153.63485.21
11-20 years ago118.3484.25202.53
21-30 years ago57.2655.96113.14
31-40 years ago46.9642.7789.65
41-50 years ago33.8836.4770.25
over 50 years ago106.84151.83258.62
total694.81524.711219.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849473/315804
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago69.7414.81184.63
11-20 years ago23.595.71829.37
21-30 years ago10.8132.92513.711
31-40 years ago7.3162.4299.714
41-50 years ago4.6201.3386.018
over 50 years ago4.7204.8209.514
total120.6232.07152.71
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago24.272.52826.76
11-20 years ago11.1121.63512.711
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago1.7340.4712.231
total42.035.41947.42
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago27.863.62331.45
11-20 years ago7.4160.6578.015
21-30 years ago4.1220.21004.322
31-40 years ago2.0310.21002.229
41-50 years ago1.1440.4701.537
over 50 years ago1.7350.0.1.735
total44.335.01949.22
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago48.245.41853.63
11-20 years ago9.3132.13011.512
21-30 years ago1.4370.8502.130
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8500.6571.437
total60.329.61369.91
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago77.533.52381.03
11-20 years ago15.7101.04516.710
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago1.0450.5581.635
total102.916.018108.91
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.31610.41317.79
11-20 years ago4.1225.3199.414
21-30 years ago3.2252.6265.818
31-40 years ago1.0452.5273.523
41-50 years ago1.4381.6333.024
over 50 years ago2.4303.5245.918
total19.4926.0645.43
Central Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago25.4824.7850.15
11-20 years ago12.51212.11224.68
21-30 years ago3.4244.5217.916
31-40 years ago4.1221.8355.918
41-50 years ago2.7271.5384.222
over 50 years ago6.8174.62111.513
total55.0549.25104.22
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.81016.31033.16
11-20 years ago9.2148.51417.710
21-30 years ago3.7233.4247.016
31-40 years ago2.3293.1255.418
41-50 years ago2.2302.1304.321
over 50 years ago5.1203.1258.215
total39.3636.4575.82
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.41612.21219.69
11-20 years ago4.6215.2199.914
21-30 years ago4.1226.11710.113
31-40 years ago2.0312.7274.720
41-50 years ago3.0262.9265.918
over 50 years ago8.4156.51715.011
total29.6735.6565.23
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.7264.7197.414
11-20 years ago3.1243.5226.616
21-30 years ago3.5242.0315.418
31-40 years ago2.0321.1403.125
41-50 years ago0.6561.0441.535
over 50 years ago5.3192.7268.015
total17.1915.0832.14
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.5266.9169.513
11-20 years ago2.3294.5196.816
21-30 years ago2.9272.6265.518
31-40 years ago1.6331.3382.925
41-50 years ago0.7581.1451.735
over 50 years ago6.1174.81910.812
total16.11021.1737.34
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago8.31518.21026.58
11-20 years ago4.62110.61315.111
21-30 years ago3.6237.81511.313
31-40 years ago6.3186.31712.612
41-50 years ago5.0207.51612.512
over 50 years ago18.71031.0749.85
total46.5681.43127.82
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.51118.41035.07
11-20 years ago12.71216.91029.67
21-30 years ago12.01313.81225.88
31-40 years ago8.3159.81418.010
41-50 years ago7.0175.61812.712
over 50 years ago31.5820.0951.56
total88.0484.53172.52
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago5.02013.71218.710
11-20 years ago3.8237.41611.213
21-30 years ago4.9209.61414.511
31-40 years ago8.41510.71319.010
41-50 years ago5.41911.71317.110
over 50 years ago22.0974.0496.13
total49.46127.22176.62
Switzerlandn/a0.4710.0.0.471
less than 10 years ago339.52155.33494.81
11-20 years ago123.9485.15209.03
21-30 years ago66.0557.36123.34
31-40 years ago49.1643.1792.25
41-50 years ago35.3736.8772.25
over 50 years ago116.34156.73273.02
total730.51534.411264.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #849474/315805
NFI4
forest area
protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago69.7414.81184.63
11-20 years ago23.595.71829.37
21-30 years ago10.8132.92513.711
31-40 years ago7.3162.4299.714
41-50 years ago4.6201.3386.018
over 50 years ago4.7204.8209.514
total120.6232.07152.71
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago24.272.52826.76
11-20 years ago11.1121.63512.711
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago1.7340.4712.231
total42.035.41947.42
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago27.863.62331.45
11-20 years ago7.4160.6578.015
21-30 years ago4.1220.21004.322
31-40 years ago2.0310.21002.229
41-50 years ago1.1440.4701.537
over 50 years ago1.7350.0.1.735
total44.335.01949.22
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago48.045.41853.43
11-20 years ago9.3132.13011.512
21-30 years ago1.4370.8502.130
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8500.6571.437
total60.029.61369.71
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago77.533.52381.03
11-20 years ago15.7101.04516.710
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago1.0450.5581.635
total102.916.018108.91
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.31610.41317.79
11-20 years ago4.1225.3199.414
21-30 years ago2.8272.6265.418
31-40 years ago1.0452.5273.523
41-50 years ago1.4381.6333.024
over 50 years ago1.7343.3255.120
total18.4925.8644.23
Central Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago25.2824.5849.75
11-20 years ago12.51212.11224.68
21-30 years ago3.4244.5217.916
31-40 years ago4.1221.8355.918
41-50 years ago2.7271.5384.222
over 50 years ago6.4174.62111.113
total54.4549.05103.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.81016.31033.16
11-20 years ago9.0148.51417.510
21-30 years ago3.5243.4246.817
31-40 years ago2.3293.1255.418
41-50 years ago2.2302.1304.321
over 50 years ago4.5213.1257.616
total38.3636.4574.82
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.21612.21219.49
11-20 years ago4.2215.2199.514
21-30 years ago3.9236.1179.913
31-40 years ago1.8332.7274.521
41-50 years ago2.0312.9264.920
over 50 years ago6.6176.51713.111
total25.8835.6561.43
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.7264.7197.414
11-20 years ago2.1293.5225.617
21-30 years ago2.5281.8324.221
31-40 years ago1.2410.9442.130
41-50 years ago0.6561.0441.535
over 50 years ago3.7222.3286.017
total12.71014.2826.94
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.5266.9169.513
11-20 years ago1.7344.5196.216
21-30 years ago2.1322.6264.720
31-40 years ago1.0401.3382.327
41-50 years ago0.7581.1451.735
over 50 years ago3.3244.8198.114
total11.41221.1732.54
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago8.31518.21026.58
11-20 years ago4.22210.61314.711
21-30 years ago3.2257.81510.913
31-40 years ago4.6216.11810.813
41-50 years ago4.0227.51611.513
over 50 years ago15.91130.8746.75
total40.2681.03121.12
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.31118.01034.47
11-20 years ago12.11216.91029.08
21-30 years ago10.81313.41224.29
31-40 years ago7.1169.11416.211
41-50 years ago4.2225.6189.814
over 50 years ago19.01019.01038.07
total69.5482.14151.62
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago4.62113.51218.110
11-20 years ago3.2257.31610.513
21-30 years ago2.9269.41412.312
31-40 years ago5.3198.91514.311
41-50 years ago3.22511.01314.211
over 50 years ago18.31070.7488.93
total37.57120.72158.32
Switzerlandn/a0.4710.0.0.471
less than 10 years ago338.32154.63492.81
11-20 years ago120.1484.95205.03
21-30 years ago59.8656.56116.34
31-40 years ago41.7740.3782.05
41-50 years ago28.3836.1764.45
over 50 years ago89.45151.63240.92
total677.91524.011201.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #849475/315806
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago69.7414.81184.63
11-20 years ago23.595.91829.47
21-30 years ago10.8132.92513.711
31-40 years ago7.3162.4299.714
41-50 years ago4.8201.3386.217
over 50 years ago5.1194.8209.914
total121.2232.27153.51
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago24.272.52826.76
11-20 years ago11.1121.63512.711
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago2.0320.4712.429
total42.235.41947.62
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago28.063.62331.65
11-20 years ago7.4160.6578.015
21-30 years ago4.1220.21004.322
31-40 years ago2.0310.21002.229
41-50 years ago1.1440.4701.537
over 50 years ago2.4300.0.2.430
total45.135.01950.12
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago48.245.41853.63
11-20 years ago9.5132.13011.712
21-30 years ago1.6350.8502.328
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0440.8501.833
total60.929.81370.71
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago77.533.52381.03
11-20 years ago15.9101.04516.910
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago1.0450.5581.635
total103.116.018109.11
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.31610.41317.79
11-20 years ago4.1225.3199.414
21-30 years ago3.2252.6265.818
31-40 years ago1.2412.5273.723
41-50 years ago1.4381.6333.024
over 50 years ago3.0264.0237.017
total20.2826.4646.63
Central Pre-Alpsn/a0.21000.0.0.2100
less than 10 years ago25.7824.7850.35
11-20 years ago12.51212.61225.08
21-30 years ago3.6244.5218.115
31-40 years ago4.1222.0336.118
41-50 years ago2.7271.7354.421
over 50 years ago8.4155.02013.412
total57.2550.45107.62
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.81016.51033.36
11-20 years ago9.2148.51417.710
21-30 years ago3.7233.4247.016
31-40 years ago2.3293.3245.718
41-50 years ago2.2302.1304.321
over 50 years ago5.8193.9229.714
total40.0637.7577.72
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.61612.21219.89
11-20 years ago4.6215.41910.113
21-30 years ago4.5216.31710.813
31-40 years ago2.2302.7274.920
41-50 years ago3.0262.9265.918
over 50 years ago11.4136.71718.110
total33.3736.2569.53
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.7265.1187.814
11-20 years ago3.1243.5226.616
21-30 years ago3.7232.2295.818
31-40 years ago2.2301.1403.324
41-50 years ago1.2401.0442.230
over 50 years ago6.9163.62310.413
total19.7816.4836.14
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.5266.9169.513
11-20 years ago2.3294.7197.016
21-30 years ago2.9272.8255.718
31-40 years ago1.6331.3382.925
41-50 years ago0.7581.3411.933
over 50 years ago7.6156.61614.210
total17.7923.6641.33
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago8.51518.41026.98
11-20 years ago4.62110.61315.111
21-30 years ago3.8237.81511.513
31-40 years ago6.3186.31712.612
41-50 years ago5.2197.51612.712
over 50 years ago24.1932.8757.05
total52.5583.33135.82
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago17.11018.41035.67
11-20 years ago12.71216.91029.67
21-30 years ago12.01313.81225.88
31-40 years ago8.51510.51319.010
41-50 years ago7.0175.61812.712
over 50 years ago34.2722.3956.65
total91.6487.63179.22
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago5.02013.91218.910
11-20 years ago3.8237.41611.213
21-30 years ago5.3199.61414.911
31-40 years ago8.51510.91319.410
41-50 years ago6.01812.11218.110
over 50 years ago30.1879.54109.63
total58.75133.52192.11
Switzerlandn/a0.6580.0.0.658
less than 10 years ago340.92156.33497.21
11-20 years ago124.3486.25210.53
21-30 years ago67.6557.96125.54
31-40 years ago50.1644.5794.64
41-50 years ago36.9737.7774.65
over 50 years ago143.04170.93313.92
total763.41553.511316.80
© WSL, Swiss National Forest Inventory, 19.06.2020 #849476/315807
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production 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
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.8330.21000.21000.8500.0.3.026
less than 10 years ago105.93161.5261.7541.773.026373.72
11-20 years ago28.8826.3815.11116.8113.52490.54
21-30 years ago8.5156.1185.51911.8132.23034.18
31-40 years ago2.2301.6355.0208.4152.62819.810
41-50 years ago0.6580.4712.3294.4211.0458.615
over 50 years ago5.4195.0206.91725.697.81550.76
total153.22201.0196.84109.3420.19580.41
inside perimetern/a0.0.0.0.0.0.1.0450.21001.241
less than 10 years ago19.21013.61260.5572.2516.011181.53
11-20 years ago6.5173.02625.6839.4712.31286.75
21-30 years ago4.1221.4387.21731.2812.01255.96
31-40 years ago2.4290.4714.72020.51017.41045.36
41-50 years ago0.8500.0.1.6338.41512.61223.49
over 50 years ago4.3212.2306.91737.2732.5783.15
total37.3720.59106.53209.92103.03477.11
totaln/a1.8330.21000.21001.8330.21004.222
less than 10 years ago125.13175.12122.23113.8419.010555.21
11-20 years ago35.2729.3840.7656.1615.811177.23
21-30 years ago12.7127.41612.71243.0614.21190.15
31-40 years ago4.6212.0329.71428.8820.0965.15
41-50 years ago1.4380.4713.92212.81213.51232.08
over 50 years ago9.7147.11613.91262.8540.36133.84
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849477/315808
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.
less than 10 years ago68.9414.81183.83
11-20 years ago22.995.71828.78
21-30 years ago10.6132.92513.511
31-40 years ago7.1162.4299.514
41-50 years ago4.8201.3386.217
over 50 years ago4.9204.8209.714
total119.2232.07151.31
Eastern Juran/a0.21000.0.0.2100
less than 10 years ago23.672.52826.16
11-20 years ago10.9121.63512.511
21-30 years ago2.9260.21003.125
31-40 years ago1.3400.4711.735
41-50 years ago0.6580.21000.850
over 50 years ago2.0320.4712.429
total41.435.41946.82
Western Plateaun/a0.21000.0.0.2100
less than 10 years ago27.863.62331.45
11-20 years ago7.4160.6578.015
21-30 years ago3.9230.21004.122
31-40 years ago2.0310.21002.229
41-50 years ago1.1440.4701.537
over 50 years ago2.4300.0.2.430
total44.735.01949.72
Central Plateaun/a0.0.0.0.0.0.
less than 10 years ago47.945.41853.23
11-20 years ago9.5132.13011.712
21-30 years ago1.6350.8502.328
31-40 years ago0.6580.8501.437
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0440.6571.635
total60.529.61370.11
Eastern Plateaun/a0.0.0.0.0.0.
less than 10 years ago76.833.52380.23
11-20 years ago15.3111.04516.310
21-30 years ago5.6181.0456.617
31-40 years ago2.0310.0.2.031
41-50 years ago1.0450.0.1.045
over 50 years ago0.8500.5581.338
total101.616.018107.61
Western Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.11610.41317.59
11-20 years ago3.7235.3199.014
21-30 years ago3.0262.6265.618
31-40 years ago1.2412.5273.723
41-50 years ago1.4381.6333.024
over 50 years ago3.0264.0237.017
total19.4926.4645.83
Central Pre-Alpsn/a0.21000.0.0.2100
less than 10 years ago24.5824.5848.95
11-20 years ago12.11212.41224.48
21-30 years ago3.0264.3227.316
31-40 years ago3.9232.0335.918
41-50 years ago2.7271.7354.421
over 50 years ago7.4165.02012.512
total53.8549.85103.62
Eastern Pre-Alpsn/a0.0.0.0.0.0.
less than 10 years ago16.01016.51032.56
11-20 years ago8.5158.51417.010
21-30 years ago3.3253.4246.617
31-40 years ago2.3293.3245.718
41-50 years ago2.1312.1304.221
over 50 years ago5.2203.9229.114
total37.4637.7575.02
Northwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.01612.21219.29
11-20 years ago4.2215.4199.614
21-30 years ago3.9236.31710.113
31-40 years ago1.8332.7274.521
41-50 years ago3.0262.9265.918
over 50 years ago10.2146.71716.910
total30.1736.2566.33
Central Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.5274.9197.414
11-20 years ago2.3283.5225.816
21-30 years ago3.1252.2295.218
31-40 years ago2.0321.1403.125
41-50 years ago0.6561.0441.535
over 50 years ago6.7163.62310.213
total17.1916.2833.34
Northeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago2.4276.9169.313
11-20 years ago2.1304.7196.816
21-30 years ago1.7352.8254.520
31-40 years ago1.6331.3382.925
41-50 years ago0.7581.3411.933
over 50 years ago6.4176.61613.011
total14.91023.6638.43
Southwestern Alpsn/a0.0.0.0.0.0.
less than 10 years ago7.51618.41025.98
11-20 years ago4.42110.61314.911
21-30 years ago2.2307.6169.714
31-40 years ago5.5196.11811.613
41-50 years ago4.0227.21611.313
over 50 years ago20.5932.4752.95
total44.0682.33126.32
Southeastern Alpsn/a0.0.0.0.0.0.
less than 10 years ago15.61117.91033.47
11-20 years ago12.11216.71028.88
21-30 years ago9.21513.01222.19
31-40 years ago8.51510.51319.010
41-50 years ago6.8175.61812.412
over 50 years ago30.8821.3952.26
total83.0485.03168.02
Southern Alpsn/a0.0.0.0.0.0.
less than 10 years ago4.82013.71218.510
11-20 years ago3.6237.41611.013
21-30 years ago4.5219.41413.912
31-40 years ago8.31510.71319.010
41-50 years ago5.81812.11217.910
over 50 years ago26.5879.14105.63
total53.55132.52186.01
Switzerlandn/a0.6580.0.0.658
less than 10 years ago332.22155.23487.41
11-20 years ago119.1485.65204.73
21-30 years ago58.3656.56114.84
31-40 years ago48.1644.1792.25
41-50 years ago34.5837.5772.05
over 50 years ago127.74168.93296.62
total720.61547.711268.30
© WSL, Swiss National Forest Inventory, 19.06.2020 #849478/315809
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.2300.6583.22528.3814.21148.66
less than 10 years ago107.93164.6264.2545.564.222386.42
11-20 years ago29.6827.1816.11118.6103.92395.34
21-30 years ago8.8156.2185.81813.4122.42936.57
31-40 years ago2.4291.6355.0209.3142.62821.010
41-50 years ago0.8500.4712.3294.4211.6359.414
over 50 years ago5.6196.1188.31533.4710.01463.55
total157.22206.71104.93152.9338.87660.61
inside perimetern/a0.21000.0.0.6589.51414.41124.79
less than 10 years ago19.41013.61262.1574.2516.610185.93
11-20 years ago6.5173.02626.4841.8712.71290.34
21-30 years ago4.1221.4387.81632.6712.41258.36
31-40 years ago2.4290.4715.31921.8918.41048.36
41-50 years ago0.8500.0.1.8318.61512.91224.29
over 50 years ago4.5212.8278.41542.6636.0794.34
total37.9621.19112.43231.12123.52526.11
totaln/a2.4290.6583.82337.8728.6873.35
less than 10 years ago127.33178.22126.33119.6320.89572.31
11-20 years ago36.0730.1842.5660.3516.510185.63
21-30 years ago12.9127.61613.51246.0614.81194.84
31-40 years ago4.8202.03210.31431.2821.1969.35
41-50 years ago1.6350.4714.12113.01214.51133.67
over 50 years ago10.1148.91516.71176.0546.06157.83
total195.11227.81217.31384.01162.321186.61
© WSL, Swiss National Forest Inventory, 19.06.2020 #849479/315810
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.8330.21000.21000.8500.0.3.026
less than 10 years ago107.93164.4264.0544.764.222385.22
11-20 years ago29.4827.1815.91118.2103.72394.34
21-30 years ago8.8156.1185.51913.0122.42935.77
31-40 years ago2.2301.6355.0208.7152.62820.210
41-50 years ago0.8500.4712.3294.4211.3389.115
over 50 years ago5.6195.7187.31629.888.81557.36
total156.42205.61100.24119.5423.09604.81
inside perimetern/a0.0.0.0.0.0.1.0450.21001.241
less than 10 years ago19.41013.61262.1573.8516.610185.53
11-20 years ago6.5173.02626.4841.4712.71289.94
21-30 years ago4.1221.4387.81632.0812.21257.56
31-40 years ago2.4290.4715.11920.7917.81046.36
41-50 years ago0.8500.0.1.6338.41512.71223.69
over 50 years ago4.5212.6287.41639.8734.3788.54
total37.7620.99110.43217.02106.52492.51
totaln/a1.8330.21000.21001.8330.21004.222
less than 10 years ago127.33178.02126.13118.4320.89570.71
11-20 years ago35.8730.1842.3659.5516.310184.23
21-30 years ago12.9127.41613.31245.0614.61193.24
31-40 years ago4.6212.03210.11429.4820.5966.55
41-50 years ago1.6350.4713.92212.81214.11132.78
over 50 years ago10.1148.31514.71169.6543.16145.83
total194.11226.51210.61336.51129.521097.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #849480/315811
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.1220.7382.22127.8613.9846.85
less than 10 years ago111.42164.0164.6346.944.016390.91
11-20 years ago30.2528.0616.4819.773.51797.93
21-30 years ago7.6115.6135.81311.492.42032.85
31-40 years ago3.4171.8233.9169.3103.31721.77
41-50 years ago0.8350.6411.6254.4151.0328.411
over 50 years ago7.6115.6139.11036.5510.41069.24
total163.11206.41103.62156.0238.55667.61
inside perimetern/a0.3580.11001.0329.91014.0825.36
less than 10 years ago18.3713.5863.0375.7316.67187.12
11-20 years ago6.4123.41724.1639.3512.7985.83
21-30 years ago3.4171.4279.61031.0513.5858.94
31-40 years ago2.1220.7385.61321.8719.4749.74
41-50 years ago0.6410.0.1.8239.31012.7824.56
over 50 years ago3.8161.9238.81042.0537.0593.53
total35.0520.97113.92229.11125.92524.81
totaln/a2.4200.8353.21837.7527.9672.14
less than 10 years ago129.72177.51127.62122.7220.67578.01
11-20 years ago36.6531.4540.5559.0416.27183.72
21-30 years ago11.097.01215.4842.4515.9891.63
31-40 years ago5.5132.5209.51031.1522.7671.44
41-50 years ago1.4270.6413.41713.8813.7832.95
over 50 years ago11.497.51117.9778.5347.44162.72
total198.11227.31217.51385.11164.411192.40
© WSL, Swiss National Forest Inventory, 19.06.2020 #849481/315812
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.8230.5450.2710.8350.0.3.417
less than 10 years ago111.42163.7164.4346.244.016389.71
11-20 years ago30.1527.9616.2819.473.41797.13
21-30 years ago7.6115.5135.61311.192.42032.26
31-40 years ago3.3181.8233.9168.9113.01820.97
41-50 years ago0.8350.6411.6254.4150.8358.211
over 50 years ago7.5115.4138.21132.659.01062.74
total162.51205.51100.13123.5222.66614.11
inside perimetern/a0.0.0.11000.5451.1300.11001.824
less than 10 years ago18.2713.4862.9375.0316.57186.02
11-20 years ago6.4123.31723.9638.9512.6985.03
21-30 years ago3.4171.4279.51030.3613.4858.14
31-40 years ago2.1220.7385.41320.8718.8747.94
41-50 years ago0.6410.0.1.7239.01012.4923.86
over 50 years ago3.8161.8248.01138.8535.0587.43
total34.6520.67111.92214.01108.82489.91
totaln/a1.8230.6410.7381.9230.11005.214
less than 10 years ago129.62177.11127.32121.3220.57575.71
11-20 years ago36.5531.2540.1558.3416.08182.12
21-30 years ago11.096.91215.1841.4515.8890.23
31-40 years ago5.4142.5209.31029.7621.8668.74
41-50 years ago1.4270.6413.31713.5913.2832.05
over 50 years ago11.397.21216.2871.4344.04150.12
total197.11226.11212.01337.51131.411104.00
© WSL, Swiss National Forest Inventory, 19.06.2020 #849482/315813
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.0451.2410.8503.8230.21007.017
less than 10 years ago90.04145.5246.0639.173.325323.82
11-20 years ago42.6643.9630.4825.693.523145.93
21-30 years ago15.2118.8159.61414.3122.33050.26
31-40 years ago5.0203.3243.9229.5142.82724.59
41-50 years ago1.2411.6353.6236.4182.82715.611
over 50 years ago4.3223.0269.01531.1810.71358.06
total159.22207.31103.33129.6325.68625.01
inside perimetern/a0.21000.0.0.0.2.0321.0453.225
less than 10 years ago15.71112.21248.6666.2512.712155.43
11-20 years ago9.9144.32130.9745.1612.012102.24
21-30 years ago3.9221.43814.61128.6810.61359.26
31-40 years ago2.9260.6585.51924.7911.21344.96
41-50 years ago2.0320.4713.52416.31116.81039.17
over 50 years ago3.5231.8338.41540.5746.66100.84
total38.1620.79111.53223.42111.02504.81
totaln/a1.2411.2410.8505.8181.24110.214
less than 10 years ago105.63157.7294.64105.3416.011479.12
11-20 years ago52.5548.3661.3570.7515.511248.23
21-30 years ago19.11010.31424.2942.9612.912109.44
31-40 years ago7.9163.9229.41434.1714.01169.35
41-50 years ago3.2252.0327.21722.7919.6954.76
over 50 years ago7.8164.72017.41071.5557.35158.83
total197.31228.01214.81353.11136.621129.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #849483/315814
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a0.0.0.0.0.0.0.4710.21000.658
less than 10 years ago87.14142.3244.4635.472.927312.12
11-20 years ago41.7642.7628.9822.792.032138.14
21-30 years ago14.8118.7158.81512.1131.93346.26
31-40 years ago4.8203.1253.5247.9162.42921.710
41-50 years ago1.2411.6353.6235.2202.23013.812
over 50 years ago3.6232.6287.51625.698.61547.96
total153.22201.0196.84109.3420.19580.41
inside perimetern/a0.0.0.0.0.0.0.4710.0.0.471
less than 10 years ago15.31112.21246.7663.0511.213148.33
11-20 years ago9.9144.32130.3842.1611.61398.34
21-30 years ago3.9221.43814.01127.2810.41357.06
31-40 years ago2.9260.6585.12023.5911.01343.17
41-50 years ago2.0320.4713.22516.11116.01137.77
over 50 years ago3.3241.6357.21637.5742.7692.34
total37.3720.59106.53209.92103.03477.11
totaln/a0.0.0.0.0.0.0.8500.21001.045
less than 10 years ago102.43154.6291.1498.4414.011460.52
11-20 years ago51.6547.1659.2564.9513.512236.33
21-30 years ago18.71010.11422.9939.3712.312103.24
31-40 years ago7.7163.7238.61531.3813.41264.85
41-50 years ago3.2252.0326.81721.3918.31051.56
over 50 years ago7.0174.22214.71163.1551.35140.23
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849484/315815
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a10.41310.91214.11152.0619.09106.54
less than 10 years ago88.83142.4245.8639.463.124319.42
11-20 years ago37.9638.7626.8822.893.123129.43
21-30 years ago13.6117.7158.51412.7122.03044.66
31-40 years ago4.5202.9243.4228.4142.52721.79
41-50 years ago1.1411.4353.2245.7182.52713.911
over 50 years ago3.9222.6268.01527.789.51351.76
total160.22206.71109.83168.7341.76687.11
inside perimetern/a2.3281.73210.51332.7727.4874.55
less than 10 years ago15.01011.51248.3566.3513.111154.23
11-20 years ago8.7143.82127.3840.1610.81290.74
21-30 years ago3.5221.23812.91125.489.41352.46
31-40 years ago2.6260.5584.81921.9910.01339.86
41-50 years ago1.8320.3713.12414.51115.11034.87
over 50 years ago3.1231.7327.41536.2741.7690.24
total37.1620.89114.43237.02127.42536.71
totaln/a12.71112.61124.6884.7446.36181.03
less than 10 years ago103.93153.9294.13105.7416.110473.71
11-20 years ago46.6542.5654.1562.9514.011220.13
21-30 years ago17.1109.01421.4938.1711.41296.94
31-40 years ago7.1163.4228.31430.3712.41161.55
41-50 years ago2.8251.7326.41720.1917.6948.76
over 50 years ago7.0164.42015.41063.9551.25141.93
total197.21227.51224.21405.71169.211223.80
© WSL, Swiss National Forest Inventory, 19.06.2020 #849485/315816
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a9.6139.9139.61313.2113.22345.56
less than 10 years ago88.83142.4245.6639.463.124319.22
11-20 years ago37.9638.7626.8822.893.123129.43
21-30 years ago13.6117.7158.51412.7122.03044.66
31-40 years ago4.5202.9243.4228.4142.52721.79
41-50 years ago1.1411.4353.2245.7182.52713.911
over 50 years ago3.9222.6268.01527.589.51351.56
total159.32205.61105.13129.7326.08625.71
inside perimetern/a2.1291.5338.21519.8910.41342.16
less than 10 years ago15.01011.51248.1566.2513.111153.93
11-20 years ago8.7143.82127.3840.1610.81290.74
21-30 years ago3.5221.23812.91125.489.41352.46
31-40 years ago2.6260.5584.81921.9910.01339.86
41-50 years ago1.8320.3713.12414.51114.91034.67
over 50 years ago3.1231.6337.41535.8741.5689.54
total36.9620.59112.03223.72110.02503.01
totaln/a11.61211.41217.81033.1713.61187.54
less than 10 years ago103.93153.9293.73105.5416.110473.11
11-20 years ago46.6542.5654.1562.9514.011220.13
21-30 years ago17.1109.01421.4938.1711.41296.94
31-40 years ago7.1163.4228.31430.3712.41161.55
41-50 years ago2.8251.7326.41720.1917.4948.56
over 50 years ago7.0164.22015.41063.4551.15141.03
total196.21226.11217.11353.41136.021128.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #849486/315817
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.8332.1305.71941.0716.61167.25
less than 10 years ago90.04145.5246.2639.173.325324.02
11-20 years ago42.6643.9630.4825.693.523145.93
21-30 years ago15.2118.8159.61414.3122.33050.26
31-40 years ago5.0203.3243.9229.5142.82724.59
41-50 years ago1.2411.6353.6236.4182.82715.611
over 50 years ago4.3223.0269.01531.3810.71358.26
total160.02208.31108.43167.0341.96685.61
inside perimetern/a0.4710.21002.33015.51118.61037.07
less than 10 years ago15.71112.21248.8666.4512.712155.83
11-20 years ago9.9144.32130.9745.1612.012102.24
21-30 years ago3.9221.43814.61128.6810.61359.26
31-40 years ago2.9260.6585.51924.7911.21344.96
41-50 years ago2.0320.4713.52416.31117.01039.37
over 50 years ago3.5232.0328.41540.9746.86101.64
total38.3621.19114.13237.52129.02539.91
totaln/a2.2302.3298.01656.5635.27104.24
less than 10 years ago105.63157.7295.04105.4416.011479.72
11-20 years ago52.5548.3661.3570.7515.511248.23
21-30 years ago19.11010.31424.2942.9612.912109.44
31-40 years ago7.9163.9229.41434.1714.01169.35
41-50 years ago3.2252.0327.21722.7919.8954.96
over 50 years ago7.8164.92017.41072.1557.55159.83
total198.31229.41222.41404.51170.911225.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #849487/315818
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago93.64156.6252.6640.374.621347.72
11-20 years ago31.0728.0818.21023.493.424104.04
21-30 years ago20.3912.71212.51219.7104.32169.55
31-40 years ago7.1163.5237.11711.4132.82731.98
41-50 years ago2.8271.9322.8278.4152.23018.110
over 50 years ago4.7212.42912.01339.4714.71173.25
total159.42205.21105.13142.5332.07644.31
inside perimeterless than 10 years ago18.81012.21257.8561.8512.013162.53
11-20 years ago5.6194.42119.41043.669.61482.65
21-30 years ago6.0181.63512.01326.0811.71357.46
31-40 years ago2.4290.6587.51620.3108.71539.57
41-50 years ago1.7330.6584.02219.0109.71435.07
over 50 years ago3.3241.2419.21557.4566.34137.53
total37.7620.59110.03228.32117.92514.41
totalless than 10 years ago112.33168.82110.33102.1416.611510.21
11-20 years ago36.6732.4737.6767.0512.912186.53
21-30 years ago26.2814.31124.5945.7616.011126.94
31-40 years ago9.5144.12214.61131.7811.51371.45
41-50 years ago4.5212.5286.81727.3812.01253.16
over 50 years ago8.0163.52321.2996.9481.04210.63
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #849488/315819
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production 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
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago91.14154.3250.7634.074.621334.72
11-20 years ago29.3827.2816.01118.8101.63592.94
21-30 years ago19.41012.11211.61313.0121.83358.06
31-40 years ago6.7173.3246.3187.8161.24125.39
41-50 years ago2.8271.9322.4296.4181.43814.911
over 50 years ago3.8232.2309.71429.389.41454.56
total153.22201.0196.84109.3420.19580.41
inside perimeterless than 10 years ago18.31012.21256.9558.7510.214156.33
11-20 years ago5.6194.42118.81040.677.81677.25
21-30 years ago6.0181.63511.51322.098.61549.66
31-40 years ago2.4290.6587.31619.1107.31636.77
41-50 years ago1.7330.6583.82218.0108.81532.88
over 50 years ago3.3241.2418.21551.5660.35124.53
total37.3720.59106.53209.92103.03477.11
totalless than 10 years ago109.53166.42107.7392.7414.811491.01
11-20 years ago34.9731.6734.8759.459.414170.13
21-30 years ago25.4813.71223.1935.1710.413107.74
31-40 years ago9.1143.92213.61226.888.61562.05
41-50 years ago4.5212.5286.21824.3910.21447.86
over 50 years ago7.2163.32417.91080.8469.74179.03
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849489/315820
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago93.64156.9252.6640.975.219349.12
11-20 years ago31.0728.0818.41025.095.020107.44
21-30 years ago20.3912.71212.91223.197.71676.75
31-40 years ago7.1163.5237.11716.2115.41939.37
41-50 years ago2.8271.9322.82714.8124.42126.79
over 50 years ago4.7212.42913.81256.8617.31094.94
total159.42205.41107.53176.8344.96694.11
inside perimeterless than 10 years ago18.81012.21257.8562.0512.212162.93
11-20 years ago5.6194.42119.61044.169.81483.45
21-30 years ago6.0181.63512.01326.9812.91259.46
31-40 years ago2.4290.6587.51620.999.61441.17
41-50 years ago1.7330.6584.02219.61010.91336.87
over 50 years ago3.3241.2419.41458.9569.54142.23
total37.7620.59110.43232.32124.82525.71
totalless than 10 years ago112.33169.02110.33102.9417.310512.01
11-20 years ago36.6732.4738.0769.1514.711190.83
21-30 years ago26.2814.31124.9950.0620.69136.04
31-40 years ago9.5144.12214.61137.1715.01180.45
41-50 years ago4.5212.5286.81734.4715.31163.55
over 50 years ago8.0163.52323.29115.6486.74237.12
total197.11225.91217.91409.11169.721219.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #849490/315821
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago92.73155.9251.4539.964.520344.42
11-20 years ago30.6729.0717.41024.083.223104.24
21-30 years ago22.7813.41113.21120.594.61974.55
31-40 years ago6.8163.9217.41513.3112.92534.37
41-50 years ago3.2231.9302.6268.7142.22918.610
over 50 years ago5.5182.52711.51242.2615.51077.15
total161.52206.61103.53148.7332.87653.11
inside perimeterless than 10 years ago18.8912.71158.9562.9513.611166.93
11-20 years ago6.0173.92120.8942.468.71481.74
21-30 years ago5.4182.32812.31226.9811.91258.85
31-40 years ago2.1290.7507.31520.998.81439.97
41-50 years ago1.6330.5584.81918.0109.91334.97
over 50 years ago3.6221.14110.51357.3567.24139.63
total37.4621.19114.73228.42120.12521.81
totalless than 10 years ago111.53168.62110.43102.8418.09511.21
11-20 years ago36.6632.8738.2666.4511.912185.93
21-30 years ago28.1715.71025.5847.5616.510133.33
31-40 years ago8.9144.61914.71134.2711.71274.25
41-50 years ago4.8192.5277.41526.7812.11253.56
over 50 years ago9.0143.52222.0999.5482.73216.72
total198.91227.71218.21377.01152.921174.80
© WSL, Swiss National Forest Inventory, 19.06.2020 #849491/315822
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