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NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago249.5239.7722.198.31516.3114.621340.62
11-20 years ago66.3521.1912.8124.22212.1123.225119.64
21-30 years ago24.4910.1147.8163.22510.8132.92659.36
31-40 years ago13.1126.9174.8204.6217.1165.31941.97
41-50 years ago7.5166.2183.4244.0224.2223.22528.58
over 50 years ago10.11414.81111.51315.91119.01018.31089.55
total371.3198.8462.4540.2669.5437.57679.61
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.01042.0623.9815.21114.21111.313124.74
11-20 years ago7.11621.3914.9119.41414.2116.31873.15
21-30 years ago3.42412.4127.2167.21610.5139.01549.76
31-40 years ago2.6286.5174.7205.5197.4168.11534.87
41-50 years ago1.2415.8183.5236.3174.72010.11431.68
over 50 years ago3.52312.5129.71426.8816.31066.84135.63
total35.87100.5364.0470.4367.24111.63449.62
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.8134.8213.4243.0263.8232.33028.08
11-20 years ago4.0221.2411.8331.2412.8271.04511.913
21-30 years ago1.8330.9500.6580.6582.9270.4717.117
31-40 years ago1.2410.4710.7500.6581.8330.8505.519
41-50 years ago0.6580.21000.6581.2410.9450.8504.321
over 50 years ago2.5281.9330.8504.0212.7273.92315.911
total20.9109.4157.91510.51314.9119.11472.75
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago278.3286.5449.4526.5834.4718.110493.31
11-20 years ago77.3543.6629.5714.71129.0810.513204.63
21-30 years ago29.6823.4915.61110.91324.2912.312116.04
31-40 years ago17.01113.81210.21310.81316.21114.31182.25
41-50 years ago9.21412.1127.61611.5139.81414.21164.45
over 50 years ago16.11129.2822.1946.7538.0788.93241.02
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #859201/325532
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 10 years ago250.1239.5625.988.41417.7105.019346.62
11-20 years ago59.6516.31010.9123.92112.7124.819108.14
21-30 years ago36.0711.7129.1146.81611.1127.81582.55
31-40 years ago10.8138.3144.4204.7198.3145.21841.76
41-50 years ago5.1183.5223.4234.9195.8174.12126.98
over 50 years ago8.31517.11014.91114.21126.5818.0998.84
total369.9196.4468.5442.7682.2444.96704.61
inside perimeterless than 10 years ago19.6947.6627.2714.21018.0911.912138.63
11-20 years ago6.41719.4913.4119.01414.3118.01570.55
21-30 years ago4.42011.4126.8166.8169.51312.31251.36
31-40 years ago1.4358.3145.3187.0154.4208.41434.97
41-50 years ago1.6336.0173.4237.5153.92110.61332.97
over 50 years ago2.82511.1129.21424.5817.11066.04130.63
total36.37103.7365.3468.9367.24117.32458.71
outside perimeterless than 10 years ago10.5134.0213.6221.6335.5181.83127.08
11-20 years ago3.4231.8321.2381.2383.5230.94512.012
21-30 years ago3.2231.1411.4350.9452.0300.7509.214
31-40 years ago1.2380.5580.5580.7501.7311.3386.017
41-50 years ago0.5580.5580.3711.6330.3710.4713.722
over 50 years ago1.4351.5350.6583.6212.1293.82113.012
total20.399.6147.6159.61315.1108.81470.95
totalless than 10 years ago280.3291.1456.7524.1841.3618.79512.21
11-20 years ago69.4537.5625.5814.01130.5713.711190.63
21-30 years ago43.7624.2817.31014.51122.6820.89143.13
31-40 years ago13.51117.11010.31312.41214.51114.91182.64
41-50 years ago7.31510.1137.11613.91110.01315.11163.45
over 50 years ago12.51229.6724.6842.3545.6687.83242.52
total426.61209.71141.42121.22164.52171.011234.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #859202/325533
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 10 years ago252.3240.8625.488.61518.5105.219350.82
11-20 years ago59.0517.01111.4133.32412.1135.219107.94
21-30 years ago32.9711.3138.5156.51710.9138.11578.15
31-40 years ago11.0138.5153.6233.8237.6165.81840.37
41-50 years ago4.7204.0223.2256.3185.5195.61929.38
over 50 years ago8.71522.0917.41015.41128.5823.89115.74
total368.71103.6469.4444.0683.0453.55722.31
inside perimeterless than 10 years ago19.41046.8626.8814.51118.31010.513136.44
11-20 years ago6.11818.81014.0119.21414.9118.81571.85
21-30 years ago4.42111.1136.8177.01610.31312.51252.26
31-40 years ago1.4388.4155.9186.4174.5218.81535.57
41-50 years ago1.7336.1184.0228.2153.92210.71334.67
over 50 years ago2.52811.31311.21326.5817.51071.44140.53
total35.67102.6368.7471.8369.54122.82470.91
outside perimeterless than 10 years ago10.3144.4223.8231.4385.2192.03127.19
11-20 years ago3.8231.7351.3381.4383.7231.04512.912
21-30 years ago3.2251.0451.1411.0451.4380.6588.315
31-40 years ago1.3380.4710.6580.8501.9311.4386.517
41-50 years ago0.6580.21000.4711.7330.4710.4713.623
over 50 years ago1.8331.7351.5384.3213.0264.32116.511
total21.099.4158.81510.51315.5119.71475.05
totalless than 10 years ago282.0292.0456.1524.6841.9617.710514.31
11-20 years ago68.9537.6726.7813.91130.6714.911192.63
21-30 years ago40.5723.3916.51014.51122.6921.29138.64
31-40 years ago13.81217.41010.01411.11314.01216.01182.35
41-50 years ago7.01710.3147.61616.2119.81416.71167.65
over 50 years ago13.01235.0730.0846.1549.0699.53272.72
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 18.06.2020 #859203/325534
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago241.7235.8719.0104.62114.0113.823319.02
11-20 years ago63.1518.11011.3133.52310.0142.628108.74
21-30 years ago23.097.3165.4191.6356.1181.04544.37
31-40 years ago12.1135.9183.6232.0314.7201.83330.18
41-50 years ago7.1175.2192.6271.8332.8271.73521.110
over 50 years ago8.9159.2157.91611.01313.0129.31459.26
total356.2181.4449.9524.5850.6520.19582.71
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.01041.2622.1914.51111.9139.914117.64
11-20 years ago6.71720.31013.7119.41413.2125.91869.15
21-30 years ago3.42411.4136.8176.2179.3146.81743.97
31-40 years ago2.6286.3184.3214.1225.8185.41928.48
41-50 years ago1.2415.8183.3245.2194.3218.81528.68
over 50 years ago3.52310.9137.21625.0813.51158.45118.44
total35.4795.8357.4564.4457.8595.23406.12
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.8134.8213.4243.0263.0262.13127.09
11-20 years ago3.7231.0451.8331.2412.8270.47110.913
21-30 years ago1.8330.9500.6580.6582.5290.21006.518
31-40 years ago1.2410.4710.7500.4711.8330.8505.319
41-50 years ago0.6580.21000.6581.0450.9450.6583.922
over 50 years ago2.3291.9330.8504.0211.9323.72314.711
total20.4109.2157.91510.11312.9127.81668.35
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago270.5281.9444.6622.1928.9815.811463.72
11-20 years ago73.5539.4726.8814.11126.088.915188.73
21-30 years ago28.1819.61012.8128.31517.9108.01594.74
31-40 years ago15.91112.6128.6156.51712.2128.01563.85
41-50 years ago8.91511.1136.6178.0158.01511.01353.66
over 50 years ago14.71121.9915.91140.0628.4871.44192.33
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #859204/325535
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago247.2238.1720.997.31615.6114.820333.82
11-20 years ago65.1520.11012.8124.42112.1123.424117.84
21-30 years ago24.099.5147.6162.2309.2154.12256.66
31-40 years ago12.9126.7176.0185.5198.3157.71647.16
41-50 years ago7.5167.2163.2254.0226.8175.21933.98
over 50 years ago9.71416.41115.51117.11028.5819.710106.84
total366.7197.9466.0540.4680.4444.96696.41
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.01041.8623.5815.21114.01211.313123.94
11-20 years ago6.91721.1914.7119.41414.0116.41772.55
21-30 years ago3.42412.2127.4167.01610.1149.01549.16
31-40 years ago2.6286.5174.9205.7187.8169.71437.27
41-50 years ago1.2415.8183.5236.1184.72010.51331.88
over 50 years ago3.52312.1139.31426.4816.31068.74136.33
total35.6799.5363.4469.8366.84115.72450.82
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.8134.8213.4243.0263.6232.33027.88
11-20 years ago4.0221.2411.8331.2412.8270.85011.713
21-30 years ago1.8330.9500.6580.6582.9270.4717.117
31-40 years ago1.2410.4710.7500.4712.0310.8505.519
41-50 years ago0.6580.21000.6581.2410.9451.0454.521
over 50 years ago2.3291.9330.8504.0212.5283.92315.511
total20.7109.4157.91510.31314.7119.11472.15
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago276.0284.7447.8525.5833.2718.310485.51
11-20 years ago75.9542.4629.3714.91128.8810.713202.03
21-30 years ago29.2822.6915.6119.71422.1913.512112.84
31-40 years ago16.81113.61211.61311.61318.01018.21089.85
41-50 years ago9.21413.1127.41611.31312.41216.71170.25
over 50 years ago15.51130.4825.7847.5547.3692.33258.72
total423.01206.81137.32120.52162.02169.721219.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #859205/325536
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4710.21000.0.0.0.0.0.0.0.0.658
less than 10 years ago249.9240.5722.198.51517.1105.020343.22
11-20 years ago66.7521.5914.6114.62112.7123.823123.84
21-30 years ago24.6911.31310.0143.82312.0135.31967.05
31-40 years ago13.1127.5166.4186.3188.5158.51550.36
41-50 years ago7.7167.2164.0225.2197.0176.01837.17
over 50 years ago11.41322.9920.41024.1934.2730.18143.24
total373.81111.1377.5452.5591.6458.75765.11
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.01042.2624.5815.21114.61111.713126.34
11-20 years ago7.11621.9915.1119.41414.2116.41774.25
21-30 years ago3.42412.6127.8157.21610.7139.21450.96
31-40 years ago2.6286.7175.1195.7188.61510.11438.87
41-50 years ago1.2416.0183.8236.3174.72011.11333.18
over 50 years ago3.72313.71212.51228.8718.81075.24152.73
total36.07103.2368.8472.6371.54123.82475.91
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.8134.8213.4243.2253.8232.33028.28
11-20 years ago4.1221.2411.8331.2412.8271.04512.113
21-30 years ago1.8330.9500.6580.6583.1260.4717.317
31-40 years ago1.2410.4710.7500.6582.0310.8505.718
41-50 years ago0.6580.21000.6581.2410.9451.0454.521
over 50 years ago2.5281.9331.6354.0213.6234.32117.910
total21.099.4158.81510.71316.1119.71475.85
totaln/a0.4710.21000.0.0.0.0.0.0.0.0.658
less than 10 years ago278.7287.6450.0526.9835.6718.910497.71
11-20 years ago77.9544.7631.5715.11129.6711.213210.03
21-30 years ago29.8824.8918.41011.51325.8814.911125.24
31-40 years ago17.01114.61112.21212.61219.01019.41094.84
41-50 years ago9.51413.3128.41512.71212.71218.11074.65
over 50 years ago17.71038.5734.6757.0556.65109.63313.92
total430.91223.71155.12135.82179.22192.111316.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #859206/325537
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago249.7240.1722.198.31516.5115.020341.82
11-20 years ago66.3521.5914.6114.62112.7123.823123.44
21-30 years ago24.4910.7149.8143.62312.0134.92065.45
31-40 years ago13.1127.1176.2186.3188.3158.41549.36
41-50 years ago7.5167.2163.4245.0207.0175.41935.57
over 50 years ago10.11417.61016.51118.71031.5822.09116.44
total371.51104.2472.6446.5688.0449.46732.21
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.01042.2623.9815.21114.61111.513125.54
11-20 years ago7.11621.3914.9119.41414.2116.41773.35
21-30 years ago3.42412.4127.4167.21610.7139.21450.36
31-40 years ago2.6286.5174.9205.7187.8169.91437.47
41-50 years ago1.2415.8183.5236.3174.72010.71332.28
over 50 years ago3.52312.71210.11427.0717.31070.14140.73
total35.87100.9364.8470.8369.24117.92459.42
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.8134.8213.4243.0263.8232.33028.08
11-20 years ago4.0221.2411.8331.2412.8271.04511.913
21-30 years ago1.8330.9500.6580.6583.1260.4717.317
31-40 years ago1.2410.4710.7500.6582.0310.8505.718
41-50 years ago0.6580.21000.6581.2410.9451.0454.521
over 50 years ago2.5281.9330.8504.0212.7273.92315.911
total20.9109.4157.91510.51315.3119.31473.35
totaln/a0.4710.0.0.0.0.0.0.0.0.0.0.471
less than 10 years ago278.5287.1449.4526.5835.0718.710495.31
11-20 years ago77.3544.0631.3715.11129.6711.213208.63
21-30 years ago29.6824.0917.81011.31325.8814.511123.04
31-40 years ago17.01114.01211.81312.61218.01019.01092.45
41-50 years ago9.21413.1127.61612.51212.71217.11072.25
over 50 years ago16.11132.2827.5849.8551.5696.13273.12
total428.11214.51145.32127.82172.52176.621264.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #859207/325538
NFI3
forest area
processes in channels 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
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago67.748.0157.01682.73
11-20 years ago23.192.9252.23028.28
21-30 years ago16.2102.7262.62821.59
31-40 years ago6.0181.0450.9457.915
41-50 years ago1.5350.9440.4712.826
over 50 years ago4.2222.1301.1417.416
total118.6217.61014.211150.51
Eastern Juraless than 10 years ago27.661.2401.34130.25
11-20 years ago7.9150.0.0.4718.315
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.4700.0.0.0.0.470
total42.432.0312.13146.62
Western Plateauless than 10 years ago30.653.4240.210034.25
11-20 years ago5.8180.4700.4716.617
21-30 years ago3.5220.0.0.0.3.522
31-40 years ago1.4400.0.0.21001.537
41-50 years ago1.3410.21000.0.1.538
over 50 years ago1.5370.21000.0.1.735
total44.134.2210.85049.12
Central Plateauless than 10 years ago45.943.7221.14150.73
11-20 years ago9.1141.6350.85011.412
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.6580.21000.0.0.850
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.8500.21000.4711.338
total59.736.6162.92669.11
Eastern Plateauless than 10 years ago80.133.1250.47183.63
11-20 years ago13.2111.2410.0.14.411
21-30 years ago5.8180.21000.0.6.118
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.6580.0.0.0.0.658
total102.314.9200.471107.61
Western Pre-Alpsless than 10 years ago8.01510.4131.43819.98
11-20 years ago4.1223.2240.21007.515
21-30 years ago1.0453.8230.21005.120
31-40 years ago1.7332.2280.21004.020
41-50 years ago0.7501.4340.0.2.128
over 50 years ago1.9322.1320.7584.720
total17.6923.172.72743.33
Central Pre-Alpsless than 10 years ago25.8827.771.34054.94
11-20 years ago7.3168.4150.210015.911
21-30 years ago6.9173.4250.210010.513
31-40 years ago3.7232.2310.21006.118
41-50 years ago1.2410.9500.21002.330
over 50 years ago6.2172.9260.7589.714
total51.2545.452.82799.42
Eastern Pre-Alpsless than 10 years ago18.6916.0101.14135.76
11-20 years ago6.7177.0160.47114.011
21-30 years ago4.7203.6230.8509.114
31-40 years ago1.6352.2280.4714.321
41-50 years ago0.8501.2410.4712.429
over 50 years ago3.8233.0260.0.6.817
total36.3632.963.12572.32
Northwestern Alpsless than 10 years ago6.5178.3151.63516.410
11-20 years ago5.1196.8161.34013.211
21-30 years ago2.4293.8220.6586.916
31-40 years ago2.2303.9220.0.6.217
41-50 years ago1.5383.3240.0.4.820
over 50 years ago6.0185.0190.47011.513
total23.7831.363.92258.93
Central Alpsless than 10 years ago4.2204.3201.2409.812
11-20 years ago2.0312.1290.4714.520
21-30 years ago1.0450.4710.0.1.438
31-40 years ago0.8491.9310.21002.925
41-50 years ago0.8500.9430.0.1.732
over 50 years ago3.3241.6340.21005.119
total12.11111.2102.03025.44
Northeastern Alpsless than 10 years ago2.7276.3171.43810.312
11-20 years ago1.6353.3230.5575.418
21-30 years ago1.1412.6270.4734.121
31-40 years ago1.0451.3380.0.2.329
41-50 years ago0.6591.4380.0.2.031
over 50 years ago2.4272.7250.5715.617
total9.51317.682.72629.85
Southwestern Alpsless than 10 years ago8.41514.5111.43824.48
11-20 years ago3.3249.2141.43813.911
21-30 years ago5.1207.0161.04513.112
31-40 years ago2.6286.0180.8509.414
41-50 years ago3.3257.8151.73312.812
over 50 years ago11.61324.784.12140.36
total34.3769.2310.313113.82
Southeastern Alpsless than 10 years ago18.51017.9105.21941.56
11-20 years ago11.71314.9113.52430.07
21-30 years ago10.1149.2141.24120.49
31-40 years ago4.8204.1221.93110.813
41-50 years ago2.3293.4240.4716.018
over 50 years ago16.21115.6112.23034.07
total63.5565.0414.311142.82
Southern Alpsless than 10 years ago4.62110.2141.83316.611
11-20 years ago3.4248.6151.04512.912
21-30 years ago4.32111.1130.65816.011
31-40 years ago2.8277.5161.24111.513
41-50 years ago2.2309.3140.47112.012
over 50 years ago14.71162.443.92281.04
total32.07109.038.915150.02
Switzerlandless than 10 years ago349.42135.0426.59510.81
11-20 years ago104.2469.5512.613186.33
21-30 years ago69.5549.268.116126.94
31-40 years ago32.2832.786.21871.25
41-50 years ago18.41031.283.72353.26
over 50 years ago73.65122.5314.112210.23
total647.31440.1271.251158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #859208/325539
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
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
processes in channels SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4710.21000.0.0.0.0.0.0.0.0.658
less than 10 years ago247.2238.5720.997.51615.6114.820334.42
11-20 years ago65.3520.31013.0124.42112.1123.623118.64
21-30 years ago24.299.9147.8162.2309.2154.52157.86
31-40 years ago12.9126.9176.2185.5198.5158.31548.36
41-50 years ago7.7167.2163.2254.0226.8175.81834.68
over 50 years ago11.01320.71018.41020.5930.8826.58127.94
total368.71103.6469.4444.0683.0453.55722.31
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago18.01042.0624.3815.21114.31111.513125.34
11-20 years ago6.91721.7915.1119.41414.0116.41773.65
21-30 years ago3.42412.4127.8157.01610.1149.01549.76
31-40 years ago2.6286.7175.1195.7188.6159.91438.67
41-50 years ago1.2416.0183.8236.1184.72011.11332.88
over 50 years ago3.52313.71212.51228.4718.01074.84150.93
total35.67102.6368.7471.8369.54122.82470.91
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago10.8134.8213.4243.2253.6232.33028.08
11-20 years ago4.1221.2411.8331.2412.8271.04512.113
21-30 years ago1.8330.9500.6580.6582.9270.4717.117
31-40 years ago1.2410.4710.7500.4712.0310.8505.519
41-50 years ago0.6580.21000.6581.2410.9451.0454.521
over 50 years ago2.5281.9331.6354.0213.4244.32117.710
total21.099.4158.81510.51315.5119.71475.05
totaln/a0.4710.21000.0.0.0.0.0.0.0.0.658
less than 10 years ago276.0285.3448.6525.9833.4718.510487.81
11-20 years ago76.3543.2629.9714.91128.8811.013204.23
21-30 years ago29.4823.2916.2119.71422.1913.912114.54
31-40 years ago16.81114.01212.01211.61319.01019.01092.45
41-50 years ago9.51413.3127.61611.31312.41217.91072.05
over 50 years ago17.11136.3732.6752.9552.26105.63296.62
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 18.06.2020 #859209/325540
NFI3
forest area
processes in channels 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
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago68.148.0157.21683.33
11-20 years ago23.593.1252.23028.88
21-30 years ago16.8102.7262.62822.19
31-40 years ago6.0181.0450.9457.915
41-50 years ago1.5350.9440.4712.826
over 50 years ago4.4212.1301.1417.616
total120.2217.81014.411152.51
Eastern Juraless than 10 years ago27.661.2401.34130.25
11-20 years ago7.9150.0.0.4718.315
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.4700.0.0.0.0.470
total42.432.0312.13146.62
Western Plateauless than 10 years ago30.853.6230.210034.65
11-20 years ago6.2170.4700.4717.016
21-30 years ago3.5220.0.0.0.3.522
31-40 years ago1.4400.0.0.21001.537
41-50 years ago1.3410.21000.0.1.538
over 50 years ago1.5370.21000.0.1.735
total44.734.4210.85049.92
Central Plateauless than 10 years ago46.743.7221.14151.53
11-20 years ago9.3141.6350.85011.612
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.8500.21000.0.1.045
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.8500.21000.4711.338
total60.926.6162.92670.31
Eastern Plateauless than 10 years ago80.333.1250.47183.83
11-20 years ago13.4111.2410.0.14.611
21-30 years ago5.8180.21000.0.6.118
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.8500.0.0.0.0.850
total102.814.9200.471108.11
Western Pre-Alpsless than 10 years ago8.01510.4131.43819.98
11-20 years ago4.3223.2240.21007.715
21-30 years ago1.0453.8230.21005.120
31-40 years ago1.7332.3270.21004.220
41-50 years ago0.7501.4340.0.2.128
over 50 years ago2.3292.4300.7585.419
total18.2923.672.72744.43
Central Pre-Alpsless than 10 years ago26.2828.371.34055.94
11-20 years ago7.3168.4150.210015.911
21-30 years ago6.9173.4250.210010.513
31-40 years ago3.7232.2310.21006.118
41-50 years ago1.2411.1450.21002.529
over 50 years ago6.2172.9260.7589.714
total51.6546.252.827100.62
Eastern Pre-Alpsless than 10 years ago18.7916.4101.14136.36
11-20 years ago6.7177.1160.47114.211
21-30 years ago4.7203.8230.8509.314
31-40 years ago1.6352.2280.4714.321
41-50 years ago0.8501.2410.4712.429
over 50 years ago4.1223.2250.0.7.216
total36.7633.963.12573.82
Northwestern Alpsless than 10 years ago6.7178.7141.63517.010
11-20 years ago5.3196.8161.34013.411
21-30 years ago2.4293.8220.6586.916
31-40 years ago2.2303.9220.21006.417
41-50 years ago1.5383.3240.21004.920
over 50 years ago6.8175.0190.47012.312
total24.9831.764.32160.93
Central Alpsless than 10 years ago4.9194.3201.24010.411
11-20 years ago2.0312.1290.4714.520
21-30 years ago1.0450.4710.0.1.438
31-40 years ago0.8491.9310.21002.925
41-50 years ago0.8500.9430.0.1.732
over 50 years ago3.3241.6340.21005.119
total12.71011.2102.03026.04
Northeastern Alpsless than 10 years ago2.9266.3171.43810.512
11-20 years ago1.8333.5220.5575.817
21-30 years ago1.1412.6270.4734.121
31-40 years ago1.0451.3380.0.2.329
41-50 years ago0.6591.4380.0.2.031
over 50 years ago2.4272.9240.5715.817
total9.81318.082.72630.64
Southwestern Alpsless than 10 years ago8.41514.5111.43824.48
11-20 years ago3.3249.2141.43813.911
21-30 years ago5.1207.0161.04513.112
31-40 years ago3.0266.0180.8509.814
41-50 years ago3.5247.8151.73313.012
over 50 years ago12.01324.784.12140.76
total35.3769.2310.313114.82
Southeastern Alpsless than 10 years ago18.71018.1105.41942.16
11-20 years ago11.91314.9113.52430.27
21-30 years ago10.3149.3141.43821.09
31-40 years ago5.2194.1221.93111.213
41-50 years ago2.3293.4240.4716.018
over 50 years ago16.81016.0112.23035.07
total65.1565.8414.711145.62
Southern Alpsless than 10 years ago4.82010.2141.83316.710
11-20 years ago3.6238.6151.04513.112
21-30 years ago4.32111.7130.65816.610
31-40 years ago2.8277.5161.24111.513
41-50 years ago2.4299.3140.47112.212
over 50 years ago15.71163.844.12283.54
total33.67111.039.114153.72
Switzerlandless than 10 years ago352.92136.8426.99516.61
11-20 years ago106.4470.1512.613189.13
21-30 years ago70.3550.268.315128.84
31-40 years ago33.2832.986.41772.55
41-50 years ago18.81031.483.82254.06
over 50 years ago77.45124.9314.312216.73
total659.11446.2272.451177.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #859210/325541
NFI3
forest area
processes in channels 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
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago65.847.8156.81780.54
11-20 years ago21.692.9252.23026.78
21-30 years ago15.4112.7262.62820.79
31-40 years ago5.6181.0450.9457.516
41-50 years ago1.5350.9440.4712.826
over 50 years ago3.3242.1301.1416.617
total113.3217.41014.011144.81
Eastern Juraless than 10 years ago27.061.2401.34129.55
11-20 years ago7.7150.0.0.4718.115
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.4700.0.0.0.0.470
total41.632.0312.13145.72
Western Plateauless than 10 years ago29.853.4240.210033.45
11-20 years ago5.4190.4700.4716.217
21-30 years ago3.1240.0.0.0.3.124
31-40 years ago1.1440.0.0.21001.340
41-50 years ago1.3410.21000.0.1.538
over 50 years ago1.3400.21000.0.1.537
total42.034.2210.85047.02
Central Plateauless than 10 years ago45.943.7221.14150.73
11-20 years ago8.9141.6350.85011.312
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.6580.21000.0.0.850
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.8500.21000.4711.338
total59.536.6162.92669.01
Eastern Plateauless than 10 years ago78.633.1250.47182.13
11-20 years ago13.0111.2410.0.14.211
21-30 years ago5.6180.21000.0.5.818
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.6580.0.0.0.0.658
total100.424.9200.471105.61
Western Pre-Alpsless than 10 years ago7.51610.4131.43819.48
11-20 years ago3.1263.0240.21006.317
21-30 years ago1.0453.3240.21004.620
31-40 years ago1.5352.2280.21003.821
41-50 years ago0.6571.4340.0.1.929
over 50 years ago1.9321.7360.7584.322
total15.61022.072.72740.33
Central Pre-Alpsless than 10 years ago25.3826.981.34053.54
11-20 years ago7.1178.4150.210015.711
21-30 years ago6.7173.4250.210010.314
31-40 years ago3.2252.2310.21005.519
41-50 years ago1.0450.9500.21002.132
over 50 years ago4.6202.7270.7588.015
total47.9544.452.82795.12
Eastern Pre-Alpsless than 10 years ago17.71016.0101.14134.86
11-20 years ago5.6186.5170.47112.612
21-30 years ago4.1213.4240.8508.315
31-40 years ago1.6352.0300.4714.021
41-50 years ago0.8501.0450.4712.230
over 50 years ago3.2252.6280.0.5.818
total33.1631.563.12567.73
Northwestern Alpsless than 10 years ago5.3198.3151.63515.210
11-20 years ago4.3216.0171.14411.312
21-30 years ago1.8333.8220.6586.317
31-40 years ago1.8333.9220.0.5.818
41-50 years ago0.8503.1250.0.3.922
over 50 years ago3.6244.6200.4708.614
total17.61029.863.72351.13
Central Alpsless than 10 years ago3.6223.5221.2408.313
11-20 years ago1.6342.1290.4714.120
21-30 years ago0.6580.4710.0.1.044
31-40 years ago0.8491.3370.21002.328
41-50 years ago0.8500.6560.0.1.337
over 50 years ago2.1291.6340.21003.921
total9.5129.5112.03020.95
Northeastern Alpsless than 10 years ago2.5286.1171.4389.913
11-20 years ago1.2413.2240.5574.919
21-30 years ago1.1412.6270.4734.121
31-40 years ago0.8511.3380.0.2.130
41-50 years ago0.6591.4380.0.2.031
over 50 years ago1.3381.8310.5713.522
total7.61516.392.72626.65
Southwestern Alpsless than 10 years ago6.41714.1111.43821.99
11-20 years ago2.7278.6151.43812.712
21-30 years ago2.4295.2191.0458.615
31-40 years ago1.2415.4180.8507.416
41-50 years ago2.2307.8151.53511.512
over 50 years ago9.61423.384.12136.96
total24.5864.4410.11399.02
Southeastern Alpsless than 10 years ago16.21116.7104.52137.56
11-20 years ago9.21413.9113.32526.48
21-30 years ago7.1167.0161.24115.211
31-40 years ago3.1254.1221.9319.114
41-50 years ago1.9323.1250.4715.419
over 50 years ago13.01213.0121.63527.68
total50.6557.8512.912121.32
Southern Alpsless than 10 years ago4.6219.0151.24114.811
11-20 years ago1.6357.0170.8509.414
21-30 years ago1.8338.0150.65810.413
31-40 years ago1.2416.3171.0458.615
41-50 years ago1.4388.3150.47110.214
over 50 years ago9.41456.653.72369.74
total20.1995.237.816123.12
Switzerlandless than 10 years ago336.32130.3425.09491.61
11-20 years ago93.1464.7511.913169.83
21-30 years ago58.1641.478.116107.64
31-40 years ago25.6930.186.01861.75
41-50 years ago15.21229.283.42447.86
over 50 years ago55.16110.4413.312178.83
total583.41406.1267.951057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #859211/325542
NFI3
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago68.148.0157.21683.33
11-20 years ago23.593.1252.23028.88
21-30 years ago16.8102.7262.62822.19
31-40 years ago6.0181.0450.9457.915
41-50 years ago1.5350.9440.4712.826
over 50 years ago4.4212.1301.1417.616
total120.2217.81014.411152.51
Eastern Juraless than 10 years ago27.661.2401.34130.25
11-20 years ago7.9150.0.0.4718.315
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.4700.0.0.0.0.470
total42.432.0312.13146.62
Western Plateauless than 10 years ago30.853.6230.210034.65
11-20 years ago6.2170.4700.4717.016
21-30 years ago3.5220.0.0.0.3.522
31-40 years ago1.4400.0.0.21001.537
41-50 years ago1.3410.21000.0.1.538
over 50 years ago1.5370.21000.0.1.735
total44.734.4210.85049.92
Central Plateauless than 10 years ago46.743.7221.14151.53
11-20 years ago9.3141.6350.85011.612
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.8500.21000.0.1.045
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.8500.21000.4711.338
total60.926.6162.92670.31
Eastern Plateauless than 10 years ago80.333.1250.47183.83
11-20 years ago13.4111.2410.0.14.611
21-30 years ago5.8180.21000.0.6.118
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.8500.0.0.0.0.850
total102.814.9200.471108.11
Western Pre-Alpsless than 10 years ago8.01510.4131.43819.98
11-20 years ago4.5213.2240.21007.915
21-30 years ago1.2413.8230.21005.319
31-40 years ago1.7332.3270.21004.220
41-50 years ago0.7501.4340.0.2.128
over 50 years ago2.8272.6290.7586.118
total19.0923.872.72745.53
Central Pre-Alpsless than 10 years ago26.2828.371.34055.94
11-20 years ago7.3168.4150.210015.911
21-30 years ago6.9173.4250.210010.513
31-40 years ago3.7232.2310.21006.118
41-50 years ago1.2411.1450.21002.529
over 50 years ago6.9162.9260.75810.513
total52.4546.252.827101.42
Eastern Pre-Alpsless than 10 years ago18.7916.4101.14136.36
11-20 years ago6.7177.4160.47114.411
21-30 years ago4.9203.8230.8509.514
31-40 years ago1.6352.2280.4714.321
41-50 years ago0.8501.2410.4712.429
over 50 years ago4.5213.2250.0.7.616
total37.3634.163.12574.62
Northwestern Alpsless than 10 years ago6.9178.7141.63517.210
11-20 years ago5.3196.8161.34013.411
21-30 years ago2.8273.8220.6587.316
31-40 years ago3.0253.9220.21007.216
41-50 years ago1.9333.3240.21005.319
over 50 years ago8.2155.0190.47013.712
total28.1731.764.32164.13
Central Alpsless than 10 years ago4.9194.3201.24010.411
11-20 years ago2.6272.3280.4715.318
21-30 years ago1.4380.6580.0.2.032
31-40 years ago0.8491.9310.21002.925
41-50 years ago1.4380.9430.0.2.328
over 50 years ago4.9192.4280.21007.515
total15.9912.4102.03030.44
Northeastern Alpsless than 10 years ago3.1256.3171.43810.712
11-20 years ago2.4293.5220.5576.416
21-30 years ago1.7332.6270.4734.720
31-40 years ago1.2411.3380.0.2.528
41-50 years ago1.0451.4380.0.2.429
over 50 years ago5.2192.9240.5718.514
total14.51018.082.72635.24
Southwestern Alpsless than 10 years ago8.61514.5111.43824.68
11-20 years ago3.3249.2141.43813.911
21-30 years ago6.5177.0161.04514.511
31-40 years ago3.8236.4170.85011.013
41-50 years ago5.3197.8151.73314.811
over 50 years ago13.61224.984.12142.56
total41.2669.8310.313121.32
Southeastern Alpsless than 10 years ago18.71018.1105.41942.16
11-20 years ago12.51214.9113.72331.07
21-30 years ago10.9139.7141.63522.29
31-40 years ago8.0164.3211.93114.211
41-50 years ago5.5194.1220.47110.014
over 50 years ago26.7816.4102.23045.36
total82.3467.6415.111164.92
Southern Alpsless than 10 years ago5.41910.3141.83317.510
11-20 years ago5.2198.8151.04514.911
21-30 years ago7.71612.7120.65821.09
31-40 years ago5.4198.2151.43815.011
41-50 years ago4.62110.5130.47115.511
over 50 years ago18.01066.344.12288.54
total46.26116.829.314172.42
Switzerlandless than 10 years ago354.12137.0426.99518.01
11-20 years ago110.0470.7512.812193.53
21-30 years ago77.5551.868.515137.84
31-40 years ago40.5734.276.61781.35
41-50 years ago27.3933.383.82264.55
over 50 years ago98.74129.1314.312242.12
total708.11456.1273.051237.21
© WSL, Swiss National Forest Inventory, 18.06.2020 #859212/325543
NFI3
forest area
processes in channels 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: terrestrial grid NFI3
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago66.947.8147.41582.13
11-20 years ago23.083.2232.03028.17
21-30 years ago18.692.5262.32823.38
31-40 years ago5.8170.9450.9457.515
41-50 years ago1.6330.8440.3712.825
over 50 years ago5.0192.4271.0418.514
total120.8217.6913.911152.31
Eastern Juraless than 10 years ago27.361.1401.33829.85
11-20 years ago7.6150.4710.4718.314
21-30 years ago4.0210.6580.0.4.519
31-40 years ago1.2400.0.0.21001.437
41-50 years ago1.8330.21000.21002.230
over 50 years ago0.4700.0.0.0.0.470
total42.232.2282.13046.52
Western Plateauless than 10 years ago30.653.5230.210034.24
11-20 years ago5.9170.3700.4716.716
21-30 years ago3.6210.21000.0.3.820
31-40 years ago1.5370.0.0.21001.635
41-50 years ago1.3380.21000.0.1.535
over 50 years ago1.5350.21000.0.1.733
total44.534.3200.75049.62
Central Plateauless than 10 years ago46.243.9201.13851.23
11-20 years ago9.5131.4350.75011.511
21-30 years ago3.8210.8440.9455.517
31-40 years ago0.7500.3700.0.1.041
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.7500.11000.3711.238
total60.926.7153.02370.71
Eastern Plateauless than 10 years ago79.233.3230.47182.92
11-20 years ago13.5111.1410.0.14.610
21-30 years ago5.9170.4710.0.6.316
31-40 years ago1.9300.21000.0.2.129
41-50 years ago0.7500.21000.0.0.945
over 50 years ago0.7500.0.0.0.0.750
total102.015.1180.471107.51
Western Pre-Alpsless than 10 years ago8.2149.9121.43519.57
11-20 years ago4.0214.0200.4718.413
21-30 years ago0.9453.7220.21004.719
31-40 years ago1.7322.3260.21004.119
41-50 years ago0.7501.8300.0.2.425
over 50 years ago2.0292.5270.5585.118
total17.5824.162.72544.33
Central Pre-Alpsless than 10 years ago25.3829.071.14055.44
11-20 years ago7.1168.2140.47115.710
21-30 years ago7.5153.4230.210011.112
31-40 years ago3.5222.1300.21005.817
41-50 years ago1.1411.3380.21002.627
over 50 years ago5.7173.3230.6589.613
total50.1547.452.726100.22
Eastern Pre-Alpsless than 10 years ago17.8916.791.04135.66
11-20 years ago6.3177.4150.37114.010
21-30 years ago5.1183.7221.0419.813
31-40 years ago2.1292.1270.3714.619
41-50 years ago0.9451.3380.4712.627
over 50 years ago3.7223.6210.0.7.315
total36.0634.753.02373.72
Northwestern Alpsless than 10 years ago6.0179.2131.33516.59
11-20 years ago4.7197.0151.14012.911
21-30 years ago2.6264.3190.7507.714
31-40 years ago2.4273.9200.21006.516
41-50 years ago1.4352.9250.3704.619
over 50 years ago6.3175.1180.47011.912
total23.4832.554.02060.03
Central Alpsless than 10 years ago4.9184.4181.33710.611
11-20 years ago1.8312.2280.4714.419
21-30 years ago0.9450.3710.0.1.338
31-40 years ago1.1401.9300.21003.223
41-50 years ago0.7500.9430.0.1.632
over 50 years ago3.5221.7320.21005.417
total12.81011.5102.12926.44
Northeastern Alpsless than 10 years ago3.2236.2161.23810.711
11-20 years ago1.7323.4220.5575.616
21-30 years ago1.2382.6250.4724.219
31-40 years ago0.9451.2380.0.2.129
41-50 years ago0.8501.2380.0.2.030
over 50 years ago3.0232.7240.4716.115
total10.81117.382.52630.74
Southwestern Alpsless than 10 years ago8.21414.2101.63324.08
11-20 years ago3.9219.0141.23814.011
21-30 years ago5.3186.8160.94513.011
31-40 years ago3.8226.6160.75011.112
41-50 years ago3.2237.5151.63312.211
over 50 years ago12.41224.383.62140.36
total36.8668.339.613114.72
Southeastern Alpsless than 10 years ago17.71018.095.51841.36
11-20 years ago12.01214.3113.32329.67
21-30 years ago10.4139.2141.83221.49
31-40 years ago5.3184.2201.73111.212
41-50 years ago2.7263.2230.3716.217
over 50 years ago17.01016.3102.12935.56
total65.1465.2414.810145.12
Southern Alpsless than 10 years ago4.52011.8121.83118.09
11-20 years ago3.2237.8150.94511.912
21-30 years ago4.61911.2120.75016.510
31-40 years ago2.9257.7151.14111.712
41-50 years ago2.2299.6130.47112.112
over 50 years ago15.51063.443.82182.73
total32.87111.528.614152.92
Switzerlandless than 10 years ago346.02139.0326.88511.91
11-20 years ago104.1469.6511.912185.63
21-30 years ago74.5549.769.014133.13
31-40 years ago34.7733.575.81774.05
41-50 years ago19.01031.173.62253.76
over 50 years ago77.55125.7313.012216.22
total655.81448.7170.151174.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #859213/325544
NFI3
forest area
processes in channels 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
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago67.748.0157.01682.73
11-20 years ago23.192.9252.23028.28
21-30 years ago16.2102.7262.62821.59
31-40 years ago6.0181.0450.9457.915
41-50 years ago1.5350.9440.4712.826
over 50 years ago4.2222.1301.1417.416
total118.6217.61014.211150.51
Eastern Juraless than 10 years ago27.661.2401.34130.25
11-20 years ago7.9150.0.0.4718.315
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.4700.0.0.0.0.470
total42.432.0312.13146.62
Western Plateauless than 10 years ago30.653.4240.210034.25
11-20 years ago5.8180.4700.4716.617
21-30 years ago3.5220.0.0.0.3.522
31-40 years ago1.4400.0.0.21001.537
41-50 years ago1.3410.21000.0.1.538
over 50 years ago1.5370.21000.0.1.735
total44.134.2210.85049.12
Central Plateauless than 10 years ago46.143.7221.14150.93
11-20 years ago9.1141.6350.85011.412
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.6580.21000.0.0.850
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.8500.21000.4711.338
total59.926.6162.92669.31
Eastern Plateauless than 10 years ago80.133.1250.47183.63
11-20 years ago13.2111.2410.0.14.411
21-30 years ago5.8180.21000.0.6.118
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.6580.0.0.0.0.658
total102.314.9200.471107.61
Western Pre-Alpsless than 10 years ago8.01510.4131.43819.98
11-20 years ago4.3223.2240.21007.715
21-30 years ago1.2413.8230.21005.319
31-40 years ago1.7332.2280.21004.020
41-50 years ago0.7501.4340.0.2.128
over 50 years ago2.6282.3300.7585.619
total18.6923.372.72744.63
Central Pre-Alpsless than 10 years ago25.8827.771.34054.94
11-20 years ago7.3168.4150.210015.911
21-30 years ago6.9173.4250.210010.513
31-40 years ago3.7232.2310.21006.118
41-50 years ago1.2410.9500.21002.330
over 50 years ago6.9162.9260.75810.513
total52.0545.452.827100.22
Eastern Pre-Alpsless than 10 years ago18.6916.0101.14135.76
11-20 years ago6.7177.2160.47114.311
21-30 years ago4.9203.6230.8509.314
31-40 years ago1.6352.2280.4714.321
41-50 years ago0.8501.2410.4712.429
over 50 years ago4.2223.0260.0.7.216
total36.9633.263.12573.22
Northwestern Alpsless than 10 years ago6.7178.3151.63516.610
11-20 years ago5.1196.8161.34013.211
21-30 years ago2.8273.8220.6587.316
31-40 years ago3.0253.9220.0.7.016
41-50 years ago1.9333.3240.0.5.219
over 50 years ago7.6165.0190.47013.112
total27.1831.363.92262.33
Central Alpsless than 10 years ago4.2204.3201.2409.812
11-20 years ago2.6272.3280.4715.318
21-30 years ago1.4380.6580.0.2.032
31-40 years ago0.8491.9310.21002.925
41-50 years ago1.4380.9430.0.2.328
over 50 years ago4.7202.4280.21007.316
total15.11012.4102.03029.64
Northeastern Alpsless than 10 years ago2.9266.3171.43810.512
11-20 years ago2.2303.3230.5576.017
21-30 years ago1.7332.6270.4734.720
31-40 years ago1.2411.3380.0.2.528
41-50 years ago1.0451.4380.0.2.429
over 50 years ago5.2192.7250.5718.314
total14.11017.682.72634.54
Southwestern Alpsless than 10 years ago8.61514.5111.43824.68
11-20 years ago3.3249.2141.43813.911
21-30 years ago6.5177.0161.04514.511
31-40 years ago3.6236.4170.85010.813
41-50 years ago5.1207.8151.73314.611
over 50 years ago13.21224.984.12142.16
total40.4669.8310.313120.52
Southeastern Alpsless than 10 years ago18.51018.1105.21941.76
11-20 years ago12.11314.9113.72330.67
21-30 years ago10.7139.6141.43821.79
31-40 years ago7.6164.3211.93113.812
41-50 years ago5.5193.9220.4719.814
over 50 years ago26.1816.0112.23044.36
total80.4466.8414.711162.02
Southern Alpsless than 10 years ago5.21910.3141.83317.310
11-20 years ago5.0208.8151.04514.711
21-30 years ago7.71612.3120.65820.69
31-40 years ago5.4198.2151.43815.011
41-50 years ago4.42110.5130.47115.311
over 50 years ago17.31065.543.92286.74
total44.96115.729.114169.72
Switzerlandless than 10 years ago350.82135.4426.59512.61
11-20 years ago107.6470.1512.812190.53
21-30 years ago76.7551.068.315136.04
31-40 years ago39.7734.176.41780.25
41-50 years ago26.9932.983.72363.55
over 50 years ago95.34127.2314.112236.72
total696.91450.7271.851219.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #859214/325545
NFI3
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago67.748.0157.21682.93
11-20 years ago23.192.9252.23028.28
21-30 years ago16.2102.7262.62821.59
31-40 years ago6.2171.0450.9458.115
41-50 years ago1.5350.9440.4712.826
over 50 years ago4.6212.1301.1417.815
total119.2217.61014.411151.31
Eastern Juraless than 10 years ago27.661.2401.34130.25
11-20 years ago7.9150.0.0.4718.315
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.6570.0.0.0.0.657
total42.632.0312.13146.82
Western Plateauless than 10 years ago30.653.4240.210034.25
11-20 years ago5.8180.4700.4716.617
21-30 years ago3.5220.0.0.0.3.522
31-40 years ago1.4400.0.0.21001.537
41-50 years ago1.3410.21000.0.1.538
over 50 years ago2.2310.21000.0.2.430
total44.734.2210.85049.72
Central Plateauless than 10 years ago46.543.7221.14151.33
11-20 years ago9.1141.6350.85011.412
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.6580.21000.0.0.850
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago1.0450.21000.6581.733
total60.526.6163.12570.11
Eastern Plateauless than 10 years ago80.133.1250.47183.63
11-20 years ago13.2111.2410.0.14.411
21-30 years ago5.8180.21000.0.6.118
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.6580.0.0.0.0.658
total102.314.9200.471107.61
Western Pre-Alpsless than 10 years ago8.01510.4131.43819.98
11-20 years ago4.5213.2240.21007.915
21-30 years ago1.2413.8230.21005.319
31-40 years ago1.7332.2280.21004.020
41-50 years ago0.7501.4340.0.2.128
over 50 years ago3.1252.8280.7586.617
total19.4923.872.72745.83
Central Pre-Alpsless than 10 years ago25.8828.171.34055.34
11-20 years ago7.3168.6150.210016.110
21-30 years ago6.9173.5240.210010.713
31-40 years ago3.7232.4300.21006.318
41-50 years ago1.2411.3410.21002.728
over 50 years ago8.8153.1250.75812.512
total53.8547.052.827103.62
Eastern Pre-Alpsless than 10 years ago18.6916.0101.14135.76
11-20 years ago6.7177.7150.47114.711
21-30 years ago4.9203.8230.8509.514
31-40 years ago1.6352.2280.4714.321
41-50 years ago0.8501.2410.4712.429
over 50 years ago4.9203.5230.0.8.415
total37.6634.463.12575.02
Northwestern Alpsless than 10 years ago6.9178.5151.63517.010
11-20 years ago5.1197.1161.34013.411
21-30 years ago3.0263.8220.6587.516
31-40 years ago3.0253.9220.0.7.016
41-50 years ago2.0313.5240.0.5.519
over 50 years ago10.0145.4190.47015.911
total30.1732.363.92266.33
Central Alpsless than 10 years ago4.2204.5191.2409.912
11-20 years ago2.6272.7260.4715.717
21-30 years ago1.8330.6580.0.2.429
31-40 years ago0.8491.9310.21002.925
41-50 years ago1.4381.3370.0.2.726
over 50 years ago6.3172.8260.6579.713
total17.1913.892.42733.34
Northeastern Alpsless than 10 years ago2.9266.7161.43811.012
11-20 years ago2.2303.5220.5576.216
21-30 years ago1.7332.6270.4734.720
31-40 years ago1.2411.5350.0.2.727
41-50 years ago1.0451.4380.0.2.429
over 50 years ago5.9174.6200.95011.412
total14.91020.473.22438.43
Southwestern Alpsless than 10 years ago8.61514.5111.43824.68
11-20 years ago3.3249.2141.43813.911
21-30 years ago6.5177.0161.04514.511
31-40 years ago3.8236.4170.85011.113
41-50 years ago6.3188.2151.73316.211
over 50 years ago15.41126.584.32146.15
total44.0671.8310.513126.32
Southeastern Alpsless than 10 years ago18.51018.3105.21941.96
11-20 years ago12.11314.9113.72330.67
21-30 years ago10.91310.3131.43822.69
31-40 years ago7.6164.5211.93114.012
41-50 years ago5.5193.9220.4719.814
over 50 years ago28.5817.5103.02649.06
total83.0469.5415.511168.02
Southern Alpsless than 10 years ago5.21910.5132.03117.710
11-20 years ago5.2198.8151.04514.911
21-30 years ago8.11512.5120.65821.29
31-40 years ago5.8188.8151.43816.011
41-50 years ago5.61910.7130.47116.711
over 50 years ago23.8971.444.32199.53
total53.55122.829.714186.01
Switzerlandless than 10 years ago351.42137.0426.89515.21
11-20 years ago108.0471.6512.812192.33
21-30 years ago77.9552.368.315138.54
31-40 years ago40.5735.376.41782.25
41-50 years ago29.5834.573.72367.75
over 50 years ago115.54140.2316.611272.32
total722.71470.9174.651268.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #859215/325546
NFI3
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago66.947.8147.41582.13
11-20 years ago23.083.2232.03028.17
21-30 years ago18.692.5262.32823.38
31-40 years ago5.8170.9450.9457.515
41-50 years ago1.6330.8440.3712.825
over 50 years ago5.0192.4271.0418.514
total120.8217.6913.911152.31
Eastern Juraless than 10 years ago27.361.1401.33829.85
11-20 years ago7.6150.4710.4718.314
21-30 years ago4.0210.6580.0.4.519
31-40 years ago1.2400.0.0.21001.437
41-50 years ago1.8330.21000.21002.230
over 50 years ago0.4700.0.0.0.0.470
total42.232.2282.13046.52
Western Plateauless than 10 years ago30.653.5230.210034.24
11-20 years ago5.9170.3700.4716.716
21-30 years ago3.6210.21000.0.3.820
31-40 years ago1.5370.0.0.21001.635
41-50 years ago1.3380.21000.0.1.535
over 50 years ago1.5350.21000.0.1.733
total44.534.3200.75049.62
Central Plateauless than 10 years ago46.243.9201.13851.23
11-20 years ago9.5131.4350.75011.511
21-30 years ago3.8210.8440.9455.517
31-40 years ago0.7500.3700.0.1.041
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.7500.11000.3711.238
total60.926.7153.02370.71
Eastern Plateauless than 10 years ago79.233.3230.47182.92
11-20 years ago13.5111.1410.0.14.610
21-30 years ago5.9170.4710.0.6.316
31-40 years ago1.9300.21000.0.2.129
41-50 years ago0.7500.21000.0.0.945
over 50 years ago0.7500.0.0.0.0.750
total102.015.1180.471107.51
Western Pre-Alpsless than 10 years ago8.2149.9121.43519.57
11-20 years ago4.2204.0200.4718.613
21-30 years ago1.1413.7220.21004.919
31-40 years ago1.7322.3260.21004.119
41-50 years ago0.7501.8300.0.2.425
over 50 years ago2.4272.7260.5585.717
total18.2824.362.72545.33
Central Pre-Alpsless than 10 years ago25.3829.071.14055.44
11-20 years ago7.3158.2140.47115.810
21-30 years ago7.5153.4230.210011.112
31-40 years ago3.5222.1300.21005.817
41-50 years ago1.1411.3380.21002.627
over 50 years ago6.5163.3230.65810.512
total51.2547.452.726101.22
Eastern Pre-Alpsless than 10 years ago17.8916.791.04135.66
11-20 years ago6.3177.6140.37114.210
21-30 years ago5.3183.7221.04110.013
31-40 years ago2.1292.1270.3714.619
41-50 years ago0.9451.3380.4712.627
over 50 years ago4.1213.6210.0.7.615
total36.5634.953.02374.52
Northwestern Alpsless than 10 years ago6.1169.2131.33516.79
11-20 years ago4.7197.0151.14012.911
21-30 years ago3.2234.3190.7508.214
31-40 years ago3.1243.9200.21007.215
41-50 years ago1.8312.9250.3704.918
over 50 years ago8.1155.1180.47013.611
total27.0732.554.02063.53
Central Alpsless than 10 years ago4.9184.4181.33710.611
11-20 years ago2.3272.4270.4715.118
21-30 years ago1.6330.5580.0.2.129
31-40 years ago1.2371.9300.21003.422
41-50 years ago1.4350.9430.0.2.327
over 50 years ago4.9182.4270.21007.515
total16.4912.692.12931.04
Northeastern Alpsless than 10 years ago3.4226.2161.23810.911
11-20 years ago2.3283.4220.5576.116
21-30 years ago2.1292.6250.4725.118
31-40 years ago1.1411.2380.0.2.328
41-50 years ago1.1411.2380.0.2.327
over 50 years ago5.7172.9230.4719.013
total15.6917.582.52635.64
Southwestern Alpsless than 10 years ago8.41414.2101.63324.18
11-20 years ago3.9219.0141.23814.011
21-30 years ago6.8166.8160.94514.511
31-40 years ago4.7197.0150.75012.412
41-50 years ago4.9197.5151.63313.911
over 50 years ago14.21124.583.62142.35
total42.7668.939.613121.22
Southeastern Alpsless than 10 years ago17.71018.095.51841.36
11-20 years ago12.71214.3113.52330.57
21-30 years ago11.1129.5132.03022.68
31-40 years ago8.3144.4201.73114.511
41-50 years ago5.8173.9210.37110.013
over 50 years ago26.5817.1102.12945.66
total82.2467.2415.110164.52
Southern Alpsless than 10 years ago5.01911.9121.83118.79
11-20 years ago4.8198.0150.94513.711
21-30 years ago7.81512.3120.75020.89
31-40 years ago5.2188.4141.33814.911
41-50 years ago4.12110.6130.47115.111
over 50 years ago18.0966.043.82187.83
total44.96117.328.814171.01
Switzerlandless than 10 years ago347.12139.2326.88513.11
11-20 years ago107.9470.2512.012190.13
21-30 years ago82.3551.369.214142.73
31-40 years ago42.0634.876.01782.74
41-50 years ago27.2832.873.62263.65
over 50 years ago98.74130.3313.012242.02
total705.01458.6170.751234.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #859216/325547
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago66.947.8147.61582.33
11-20 years ago23.083.2232.03028.17
21-30 years ago18.692.5262.32823.38
31-40 years ago5.9170.9450.9457.715
41-50 years ago1.8310.8440.3713.024
over 50 years ago5.4182.4271.0418.914
total121.6217.6914.111153.21
Eastern Juraless than 10 years ago27.361.1401.33829.85
11-20 years ago7.6150.4710.4718.314
21-30 years ago4.0210.6580.0.4.519
31-40 years ago1.2400.0.0.21001.437
41-50 years ago1.8330.21000.21002.230
over 50 years ago0.6570.0.0.0.0.657
total42.432.2282.13046.72
Western Plateauless than 10 years ago30.653.5230.210034.24
11-20 years ago6.1170.3700.4716.816
21-30 years ago3.6210.21000.0.3.820
31-40 years ago1.5370.0.0.21001.635
41-50 years ago1.3380.21000.0.1.535
over 50 years ago2.1300.21000.0.2.329
total45.334.3200.75050.32
Central Plateauless than 10 years ago46.443.9201.13851.43
11-20 years ago9.5131.4350.75011.511
21-30 years ago3.8210.8440.9455.517
31-40 years ago0.7500.3700.0.1.041
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.9450.11000.5581.633
total61.326.7153.22371.21
Eastern Plateauless than 10 years ago79.233.3230.47182.92
11-20 years ago13.5111.1410.0.14.610
21-30 years ago5.9170.4710.0.6.316
31-40 years ago1.9300.21000.0.2.129
41-50 years ago0.7500.21000.0.0.945
over 50 years ago0.7500.0.0.0.0.750
total102.015.1180.471107.51
Western Pre-Alpsless than 10 years ago8.2149.9121.43519.57
11-20 years ago4.2204.0200.4718.613
21-30 years ago1.1413.7220.21004.919
31-40 years ago1.7322.3260.21004.119
41-50 years ago0.7501.8300.0.2.425
over 50 years ago3.3232.8250.5586.715
total19.1824.562.72546.32
Central Pre-Alpsless than 10 years ago25.3829.271.14055.64
11-20 years ago7.3158.5140.47116.210
21-30 years ago7.7153.6230.210011.512
31-40 years ago3.5222.3290.21006.017
41-50 years ago1.1411.6350.21002.826
over 50 years ago8.5143.7220.65812.811
total53.4448.852.726104.81
Eastern Pre-Alpsless than 10 years ago17.8916.991.04135.86
11-20 years ago6.3178.0140.37114.610
21-30 years ago5.3183.8211.04110.212
31-40 years ago2.1292.1270.3714.619
41-50 years ago0.9451.3380.4712.627
over 50 years ago4.8194.1200.0.8.913
total37.3636.253.02376.52
Northwestern Alpsless than 10 years ago6.5169.4131.33517.29
11-20 years ago4.7197.2151.14013.110
21-30 years ago3.3234.3190.7508.414
31-40 years ago3.1243.9200.21007.215
41-50 years ago2.1293.4220.3705.817
over 50 years ago10.9125.7170.65817.110
total30.6733.954.22068.72
Central Alpsless than 10 years ago4.9184.6181.33710.811
11-20 years ago2.3272.7250.4715.517
21-30 years ago2.0300.5580.0.2.527
31-40 years ago1.2371.9300.21003.422
41-50 years ago1.4351.2370.0.2.625
over 50 years ago6.6162.8250.6589.912
total18.4813.892.52634.73
Northeastern Alpsless than 10 years ago3.4226.6151.23811.311
11-20 years ago2.3283.5210.5576.315
21-30 years ago2.1292.6250.4725.118
31-40 years ago1.1411.4350.0.2.427
41-50 years ago1.1411.2380.0.2.327
over 50 years ago6.3164.7191.04412.011
total16.2920.073.12439.33
Southwestern Alpsless than 10 years ago8.41414.2101.63324.18
11-20 years ago3.9219.0141.23814.011
21-30 years ago6.8166.8160.94514.511
31-40 years ago4.9197.0150.75012.511
41-50 years ago5.9178.0141.63315.510
over 50 years ago16.71026.473.82146.95
total46.4571.439.713127.52
Southeastern Alpsless than 10 years ago17.71018.295.51841.56
11-20 years ago12.71214.3113.52330.57
21-30 years ago11.31210.1132.03023.48
31-40 years ago8.3144.6191.73114.611
41-50 years ago5.8173.9210.37110.013
over 50 years ago28.7718.692.92550.25
total84.6469.6415.910170.12
Southern Alpsless than 10 years ago5.01912.1122.03019.19
11-20 years ago5.0198.0150.94513.911
21-30 years ago8.31412.5120.75021.59
31-40 years ago5.5189.0141.33815.810
41-50 years ago5.31810.8120.47116.510
over 50 years ago24.5872.244.021100.63
total53.75124.629.114187.41
Switzerlandless than 10 years ago347.62140.6327.28515.41
11-20 years ago108.2471.6512.012191.93
21-30 years ago83.7452.469.214145.33
31-40 years ago42.7635.976.01784.64
41-50 years ago29.9834.673.62268.25
over 50 years ago120.04143.6315.511279.12
total732.21478.7173.451284.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #859217/325548
NFI4
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago68.947.7157.21683.83
11-20 years ago22.992.8252.72728.58
21-30 years ago10.6131.5351.43813.511
31-40 years ago7.1161.6350.8509.514
41-50 years ago4.6201.0440.4716.018
over 50 years ago4.5213.1251.7339.314
total118.6217.61014.211150.51
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago24.470.6581.14526.16
11-20 years ago11.1120.8500.65812.511
21-30 years ago2.9260.21000.0.3.125
31-40 years ago1.3400.4710.0.1.735
41-50 years ago0.8500.0.0.0.0.850
over 50 years ago1.7340.0.0.4712.231
total42.432.0312.13146.62
Western Plateaun/a0.21000.0.0.0.0.2100
less than 10 years ago27.863.2250.47131.45
11-20 years ago7.4160.6570.0.8.015
21-30 years ago3.9230.0.0.21004.122
31-40 years ago2.0310.21000.0.2.229
41-50 years ago1.1440.21000.21001.537
over 50 years ago1.7350.0.0.0.1.735
total44.134.2210.85049.12
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago47.643.8221.63553.03
11-20 years ago9.3131.6350.55811.512
21-30 years ago1.4370.6580.21002.130
31-40 years ago0.6580.4710.4711.437
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8500.21000.21001.241
total59.736.6162.92669.11
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago77.132.7270.47180.23
11-20 years ago15.3111.0450.0.16.310
21-30 years ago5.6181.0450.0.6.617
31-40 years ago2.0310.0.0.0.2.031
41-50 years ago1.0450.0.0.0.1.045
over 50 years ago1.2410.21000.0.1.338
total102.314.9200.471107.61
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.1169.6130.84917.59
11-20 years ago3.7234.7200.7599.014
21-30 years ago2.6282.4270.21005.219
31-40 years ago1.0452.3290.21003.523
41-50 years ago1.4381.5350.21003.024
over 50 years ago1.7342.6280.7585.120
total17.6923.172.72743.33
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago24.2822.691.73548.55
11-20 years ago12.11211.7130.210024.08
21-30 years ago3.0264.3220.0.7.316
31-40 years ago3.9231.8350.0.5.719
41-50 years ago2.7271.5380.0.4.222
over 50 years ago5.3193.6230.8509.714
total51.2545.452.82799.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.21014.9111.24132.36
11-20 years ago8.5157.7150.75017.010
21-30 years ago3.3253.1250.0.6.417
31-40 years ago2.3292.5280.6575.418
41-50 years ago1.9331.7330.4714.022
over 50 years ago4.1222.9250.21007.216
total36.3632.963.12572.32
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.81710.0132.23019.09
11-20 years ago3.8234.8200.4719.114
21-30 years ago3.3255.4180.6579.314
31-40 years ago1.6352.5290.21004.321
41-50 years ago2.0312.9260.0.4.920
over 50 years ago6.2185.7180.47012.312
total23.7831.363.92258.93
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.5273.5231.0447.015
11-20 years ago2.1292.7260.4715.217
21-30 years ago2.3291.6350.21004.021
31-40 years ago1.0450.9440.0.1.931
41-50 years ago0.6560.8490.21001.535
over 50 years ago3.7221.8320.21005.617
total12.11111.2102.03025.44
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.2285.6181.2418.913
11-20 years ago1.7343.8210.6596.216
21-30 years ago1.5382.2290.3714.121
31-40 years ago0.9441.1410.21002.228
41-50 years ago0.4721.1450.0.1.537
over 50 years ago2.7263.7220.5716.916
total9.51317.682.72629.85
Southwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.31615.2113.02625.58
11-20 years ago4.0229.4141.24114.511
21-30 years ago2.2307.0160.6589.714
31-40 years ago3.6235.5190.4719.614
41-50 years ago3.0265.9181.24110.114
over 50 years ago14.21126.284.02144.56
total34.3769.2310.313113.82
Southeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago15.41113.6123.62332.67
11-20 years ago12.11214.0112.82728.88
21-30 years ago8.81510.1142.72821.59
31-40 years ago7.1167.4161.83316.211
41-50 years ago4.0224.5210.9459.414
over 50 years ago16.21115.5112.52834.27
total63.5565.0414.311142.82
Southern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.42111.1132.33017.710
11-20 years ago2.8276.3180.8509.914
21-30 years ago2.7278.8150.47111.913
31-40 years ago4.1228.1150.85013.112
41-50 years ago2.6289.9140.85013.412
over 50 years ago15.31164.843.92384.04
total32.07109.038.915150.02
Switzerlandn/a0.4710.0.0.0.0.471
less than 10 years ago331.92124.1427.68483.61
11-20 years ago116.9471.9511.713200.53
21-30 years ago54.0648.366.817109.14
31-40 years ago38.5734.875.31978.65
41-50 years ago26.2930.784.32161.26
over 50 years ago79.45130.2315.611225.23
total647.31440.1271.251158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #859218/325549
NFI4
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago67.047.7157.21681.94
11-20 years ago21.792.6262.52826.98
21-30 years ago9.8141.5351.43812.712
31-40 years ago6.4171.6350.8508.914
41-50 years ago4.4211.0440.4715.818
over 50 years ago3.9223.1251.7338.714
total113.3217.41014.011144.81
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago23.870.6581.14525.56
11-20 years ago10.9120.8500.65812.411
21-30 years ago2.9260.21000.0.3.125
31-40 years ago1.3400.4710.0.1.735
41-50 years ago0.8500.0.0.0.0.850
over 50 years ago1.7340.0.0.4712.231
total41.632.0312.13145.72
Western Plateaun/a0.21000.0.0.0.0.2100
less than 10 years ago26.863.2250.47130.45
11-20 years ago7.2160.6570.0.7.815
21-30 years ago3.7230.0.0.21003.923
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.9500.21000.21001.340
over 50 years ago1.5370.0.0.0.1.537
total42.034.2210.85047.02
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago47.543.8221.63552.83
11-20 years ago9.3131.6350.55811.512
21-30 years ago1.4370.6580.21002.130
31-40 years ago0.6580.4710.4711.437
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8500.21000.21001.241
total59.536.6162.92669.01
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago75.632.7270.47178.73
11-20 years ago15.0111.0450.0.16.010
21-30 years ago5.6181.0450.0.6.617
31-40 years ago2.0310.0.0.0.2.031
41-50 years ago1.0450.0.0.0.1.045
over 50 years ago1.2410.21000.0.1.338
total100.424.9200.471105.61
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.7179.4130.84916.99
11-20 years ago3.4244.7200.7598.714
21-30 years ago1.6362.2280.21004.021
31-40 years ago1.0452.1300.21003.224
41-50 years ago1.2411.5350.21002.825
over 50 years ago1.7342.2300.7584.621
total15.61022.072.72740.33
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago23.4822.491.73547.55
11-20 years ago11.51311.1130.210022.99
21-30 years ago3.0264.3220.0.7.316
31-40 years ago3.7231.8350.0.5.519
41-50 years ago2.3291.5380.0.3.823
over 50 years ago3.9223.4240.8508.115
total47.9544.452.82795.12
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago15.11114.2111.24130.67
11-20 years ago7.9157.7150.75016.410
21-30 years ago2.8273.1250.0.6.018
31-40 years ago2.1302.4290.6575.019
41-50 years ago1.6351.5350.4713.523
over 50 years ago3.5242.6270.21006.218
total33.1631.563.12567.73
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago5.8189.8142.23017.79
11-20 years ago2.8264.6200.21007.615
21-30 years ago2.7274.8200.6578.115
31-40 years ago1.2412.5290.21003.922
41-50 years ago1.6352.9260.0.4.520
over 50 years ago3.6245.2190.4709.314
total17.61029.863.72351.13
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.1292.7261.0445.817
11-20 years ago1.9312.1290.4714.419
21-30 years ago1.4361.6350.21003.223
31-40 years ago0.8500.7490.0.1.535
41-50 years ago0.6560.8490.21001.535
over 50 years ago2.7251.6340.21004.419
total9.5129.5112.03020.95
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.0305.6181.2418.814
11-20 years ago1.5363.7210.6595.817
21-30 years ago1.3412.1300.3713.722
31-40 years ago0.5561.1410.21001.831
41-50 years ago0.4721.1450.0.1.537
over 50 years ago1.8332.8250.5715.119
total7.61516.392.72626.65
Southwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.62114.5113.02622.19
11-20 years ago3.5239.4141.24114.111
21-30 years ago1.6356.2170.6588.315
31-40 years ago2.0314.1220.4716.517
41-50 years ago1.8335.2191.0458.015
over 50 years ago11.01325.084.02140.06
total24.5864.4410.11399.02
Southeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.01111.9133.02628.98
11-20 years ago10.01413.2122.82726.08
21-30 years ago6.1189.3142.52917.910
31-40 years ago4.7205.8181.83312.212
41-50 years ago2.8274.3210.9458.015
over 50 years ago13.01213.5111.93228.48
total50.6557.8512.912121.32
Southern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.8239.9142.13115.811
11-20 years ago2.6285.9180.4718.915
21-30 years ago1.0456.8170.21008.015
31-40 years ago1.8335.4190.8508.015
41-50 years ago1.7358.8150.65811.013
over 50 years ago9.31458.453.72371.44
total20.1995.237.816123.12
Switzerlandn/a0.4710.0.0.0.0.471
less than 10 years ago318.22118.4426.79463.42
11-20 years ago109.4468.9510.913189.23
21-30 years ago44.8743.876.41894.94
31-40 years ago29.9828.485.31963.65
41-50 years ago21.11028.583.92253.56
over 50 years ago59.66118.1414.812192.43
total583.41406.1267.951057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #859219/325550
NFI3
forest area
processes in channels 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
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago68.148.0157.41683.53
11-20 years ago23.593.1252.23028.88
21-30 years ago16.8102.7262.62822.19
31-40 years ago6.2171.0450.9458.115
41-50 years ago1.5350.9440.4712.826
over 50 years ago4.8202.1301.1418.015
total120.9217.81014.611153.31
Eastern Juraless than 10 years ago27.661.2401.34130.25
11-20 years ago7.9150.0.0.4718.315
21-30 years ago3.9220.6580.0.4.520
31-40 years ago1.3400.0.0.21001.537
41-50 years ago1.3410.21000.21001.735
over 50 years ago0.6570.0.0.0.0.657
total42.632.0312.13146.82
Western Plateauless than 10 years ago30.853.6230.210034.65
11-20 years ago6.2170.4700.4717.016
21-30 years ago3.5220.0.0.0.3.522
31-40 years ago1.4400.0.0.21001.537
41-50 years ago1.3410.21000.0.1.538
over 50 years ago2.2310.21000.0.2.430
total45.334.4210.85050.52
Central Plateauless than 10 years ago46.943.7221.14151.73
11-20 years ago9.3141.6350.85011.612
21-30 years ago3.3240.8500.6584.720
31-40 years ago0.8500.21000.0.1.045
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago1.0450.21000.6581.733
total61.326.6163.12570.91
Eastern Plateauless than 10 years ago80.333.1250.47183.83
11-20 years ago13.4111.2410.0.14.611
21-30 years ago5.8180.21000.0.6.118
31-40 years ago1.8330.21000.0.2.031
41-50 years ago0.8500.21000.0.0.945
over 50 years ago0.8500.0.0.0.0.850
total102.814.9200.471108.11
Western Pre-Alpsless than 10 years ago8.01510.4131.43819.98
11-20 years ago4.5213.2240.21007.915
21-30 years ago1.2413.8230.21005.319
31-40 years ago1.7332.3270.21004.220
41-50 years ago0.7501.4340.0.2.128
over 50 years ago3.4242.8280.7586.817
total19.6823.972.72746.23
Central Pre-Alpsless than 10 years ago26.2828.571.34056.14
11-20 years ago7.3168.6150.210016.110
21-30 years ago6.9173.5240.210010.713
31-40 years ago3.7232.4300.21006.318
41-50 years ago1.2411.3410.21002.728
over 50 years ago8.9143.3240.75812.912
total54.4547.652.827104.82
Eastern Pre-Alpsless than 10 years ago18.7916.6101.14136.56
11-20 years ago6.7177.8150.47114.911
21-30 years ago4.9204.0220.8509.714
31-40 years ago1.6352.2280.4714.321
41-50 years ago0.8501.2410.4712.429
over 50 years ago5.1203.5230.0.8.715
total38.0635.463.12576.52
Northwestern Alpsless than 10 years ago7.1168.9141.63517.610
11-20 years ago5.3197.1161.34013.611
21-30 years ago3.0263.8220.6587.516
31-40 years ago3.0253.9220.21007.216
41-50 years ago2.0313.7230.21005.918
over 50 years ago11.0135.6180.47017.110
total31.5733.164.32168.93
Central Alpsless than 10 years ago4.9194.5191.24010.611
11-20 years ago2.6272.7260.4715.717
21-30 years ago1.8330.6580.0.2.429
31-40 years ago0.8491.9310.21002.925
41-50 years ago1.4381.3370.0.2.726
over 50 years ago6.5172.8260.6579.913
total17.9913.892.42734.14
Northeastern Alpsless than 10 years ago3.1256.7161.43811.212
11-20 years ago2.4293.7220.5576.616
21-30 years ago1.7332.6270.4734.720
31-40 years ago1.2411.5350.0.2.727
41-50 years ago1.0451.4380.0.2.429
over 50 years ago5.9174.6200.95011.412
total15.21020.673.22439.03
Southwestern Alpsless than 10 years ago8.61514.5111.43824.68
11-20 years ago3.3249.2141.43813.911
21-30 years ago6.5177.0161.04514.511
31-40 years ago4.0226.4170.85011.313
41-50 years ago6.5178.4151.73316.610
over 50 years ago16.01126.784.32146.95
total45.0672.2310.513127.72
Southeastern Alpsless than 10 years ago18.71018.3105.41942.36
11-20 years ago12.51214.9113.72331.07
21-30 years ago11.11310.3131.63523.09
31-40 years ago8.0164.5211.93114.411
41-50 years ago5.5194.1220.47110.014
over 50 years ago29.1817.7103.02649.86
total84.8469.9415.911170.62
Southern Alpsless than 10 years ago5.41910.5132.03117.910
11-20 years ago5.4198.8151.04515.111
21-30 years ago8.31512.9120.65821.89
31-40 years ago5.8188.8151.43816.011
41-50 years ago5.81810.7130.47116.910
over 50 years ago24.4972.044.321100.73
total54.95123.829.714188.41
Switzerlandless than 10 years ago354.52138.6427.28520.41
11-20 years ago110.2472.2512.812195.13
21-30 years ago78.9553.068.515140.44
31-40 years ago41.3735.576.61783.45
41-50 years ago29.9835.173.82268.85
over 50 years ago119.64141.5316.611277.72
total734.31475.9175.651285.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #859220/325551
NFI4
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago68.947.7157.21683.83
11-20 years ago22.992.8252.72728.58
21-30 years ago10.6131.5351.43813.511
31-40 years ago7.1161.6350.8509.514
41-50 years ago4.6201.0440.4716.018
over 50 years ago4.5213.1251.7339.314
total118.6217.61014.211150.51
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago24.470.6581.14526.16
11-20 years ago11.1120.8500.65812.511
21-30 years ago2.9260.21000.0.3.125
31-40 years ago1.3400.4710.0.1.735
41-50 years ago0.8500.0.0.0.0.850
over 50 years ago1.7340.0.0.4712.231
total42.432.0312.13146.62
Western Plateaun/a0.21000.0.0.0.0.2100
less than 10 years ago27.863.2250.47131.45
11-20 years ago7.4160.6570.0.8.015
21-30 years ago3.9230.0.0.21004.122
31-40 years ago2.0310.21000.0.2.229
41-50 years ago1.1440.21000.21001.537
over 50 years ago1.7350.0.0.0.1.735
total44.134.2210.85049.12
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago47.943.8221.63553.23
11-20 years ago9.3131.6350.55811.512
21-30 years ago1.4370.6580.21002.130
31-40 years ago0.6580.4710.4711.437
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8500.21000.21001.241
total59.926.6162.92669.31
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago77.132.7270.47180.23
11-20 years ago15.3111.0450.0.16.310
21-30 years ago5.6181.0450.0.6.617
31-40 years ago2.0310.0.0.0.2.031
41-50 years ago1.0450.0.0.0.1.045
over 50 years ago1.2410.21000.0.1.338
total102.314.9200.471107.61
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.1169.6130.84917.59
11-20 years ago3.7234.7200.7599.014
21-30 years ago3.0262.4270.21005.618
31-40 years ago1.0452.3290.21003.523
41-50 years ago1.4381.5350.21003.024
over 50 years ago2.4302.8270.7585.918
total18.6923.372.72744.63
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago24.2822.691.73548.55
11-20 years ago12.11211.7130.210024.08
21-30 years ago3.0264.3220.0.7.316
31-40 years ago3.9231.8350.0.5.719
41-50 years ago2.7271.5380.0.4.222
over 50 years ago6.1183.6230.85010.513
total52.0545.452.827100.22
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.21014.9111.24132.36
11-20 years ago8.5157.7150.75017.010
21-30 years ago3.3253.4240.0.6.617
31-40 years ago2.3292.5280.6575.418
41-50 years ago2.1311.7330.4714.221
over 50 years ago4.5212.9250.21007.616
total36.9633.263.12573.22
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.81710.0132.23019.09
11-20 years ago4.0224.8200.4719.314
21-30 years ago3.5245.4180.6579.514
31-40 years ago1.8332.5290.21004.521
41-50 years ago3.0262.9260.0.5.918
over 50 years ago8.0165.7180.47014.111
total27.1831.363.92262.33
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.5273.5231.0447.015
11-20 years ago2.1292.9250.4715.417
21-30 years ago2.9261.8330.21004.819
31-40 years ago1.8331.1400.0.2.925
41-50 years ago0.6560.8490.21001.535
over 50 years ago5.3192.4280.21007.815
total15.11012.4102.03029.64
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.4275.6181.2419.113
11-20 years ago2.1303.8210.6596.616
21-30 years ago1.7352.2290.3714.321
31-40 years ago1.6331.1410.21002.925
41-50 years ago0.7581.1450.0.1.735
over 50 years ago5.7183.7220.5719.813
total14.11017.682.72634.54
Southwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.31615.2113.02625.58
11-20 years ago4.4219.4141.24114.911
21-30 years ago2.2307.0160.6589.714
31-40 years ago5.5195.7180.47111.613
41-50 years ago4.0226.1181.24111.313
over 50 years ago17.11026.484.02147.55
total40.4669.8310.313120.52
Southeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago15.61114.0123.62333.27
11-20 years ago12.11214.0112.82728.88
21-30 years ago9.21510.1142.92722.19
31-40 years ago8.3157.8162.03118.010
41-50 years ago6.8174.7200.94512.412
over 50 years ago28.5816.3102.52847.36
total80.4466.8414.711162.02
Southern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.82011.3132.33018.310
11-20 years ago3.4246.4170.85010.713
21-30 years ago4.1229.0150.47113.512
31-40 years ago7.7169.7140.85018.210
41-50 years ago5.21910.5131.04516.711
over 50 years ago19.71068.743.92392.33
total44.96115.729.114169.72
Switzerlandn/a0.4710.0.0.0.0.471
less than 10 years ago332.92124.7427.68485.21
11-20 years ago118.5472.3511.713202.53
21-30 years ago57.2648.967.017113.14
31-40 years ago46.9637.275.51989.65
41-50 years ago34.0831.784.52170.25
over 50 years ago107.14135.9315.611258.62
total696.91450.7271.851219.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #859221/325552
NFI4
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago69.747.7157.21684.63
11-20 years ago23.593.0252.92629.47
21-30 years ago10.8131.5351.43813.711
31-40 years ago7.3161.6350.8509.714
41-50 years ago4.8201.0440.4716.217
over 50 years ago5.1193.1251.7339.914
total121.2217.81014.411153.51
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago25.070.6581.14526.76
11-20 years ago11.3120.8500.65812.711
21-30 years ago2.9260.21000.0.3.125
31-40 years ago1.3400.4710.0.1.735
41-50 years ago0.8500.0.0.0.0.850
over 50 years ago2.0320.0.0.4712.429
total43.432.0312.13147.62
Western Plateaun/a0.21000.0.0.0.0.2100
less than 10 years ago28.063.2250.47131.65
11-20 years ago7.4160.6570.0.8.015
21-30 years ago4.1220.0.0.21004.322
31-40 years ago2.0310.21000.0.2.229
41-50 years ago1.1440.21000.21001.537
over 50 years ago2.4300.0.0.0.2.430
total45.134.2210.85050.12
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago48.243.8221.63553.63
11-20 years ago9.5131.6350.55811.712
21-30 years ago1.6350.6580.21002.328
31-40 years ago0.6580.4710.4711.437
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.0440.4710.4701.833
total60.926.7163.12570.71
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago77.932.7270.47181.03
11-20 years ago15.9101.0450.0.16.910
21-30 years ago5.6181.0450.0.6.617
31-40 years ago2.0310.0.0.0.2.031
41-50 years ago1.0450.0.0.0.1.045
over 50 years ago1.4380.21000.0.1.635
total103.814.9200.471109.11
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.3169.6130.84917.79
11-20 years ago4.1224.7200.7599.414
21-30 years ago3.2252.4270.21005.818
31-40 years ago1.2412.3290.21003.723
41-50 years ago1.4381.5350.21003.024
over 50 years ago3.0263.3250.7587.017
total20.2823.872.72746.63
Central Pre-Alpsn/a0.21000.0.0.0.0.2100
less than 10 years ago25.7823.081.73550.35
11-20 years ago12.51212.3120.210025.08
21-30 years ago3.6244.5210.0.8.115
31-40 years ago4.1222.0330.0.6.118
41-50 years ago2.7271.7350.0.4.421
over 50 years ago8.4154.2220.85013.412
total57.2547.652.827107.62
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago17.01015.1101.24133.36
11-20 years ago9.2147.7150.75017.710
21-30 years ago3.7233.4240.0.7.016
31-40 years ago2.3292.8270.6575.718
41-50 years ago2.2301.7330.4714.321
over 50 years ago5.8193.7230.21009.714
total40.2634.463.12577.72
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.61610.0132.23019.89
11-20 years ago4.6215.0190.47110.113
21-30 years ago4.5215.7180.65710.813
31-40 years ago2.2302.5290.21004.920
41-50 years ago3.0262.9260.0.5.918
over 50 years ago11.4136.3170.47018.110
total33.3732.363.92269.53
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.7264.1211.0447.814
11-20 years ago3.1243.1240.4716.616
21-30 years ago3.7231.9310.21005.818
31-40 years ago2.2301.1400.0.3.324
41-50 years ago1.2400.8490.21002.230
over 50 years ago6.9163.0250.65710.413
total19.7814.092.42736.14
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.5265.8181.2419.513
11-20 years ago2.3294.1200.6597.016
21-30 years ago2.9272.4270.3715.718
31-40 years ago1.6331.1410.21002.925
41-50 years ago0.7581.3410.0.1.933
over 50 years ago7.6155.7180.95014.210
total17.7920.473.22441.33
Southwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago8.51515.2113.22526.98
11-20 years ago4.6219.4141.24115.111
21-30 years ago3.8237.2160.65811.513
31-40 years ago6.3185.7180.65812.612
41-50 years ago5.2196.3171.24112.712
over 50 years ago24.1928.874.02157.05
total52.5572.6310.713135.82
Southeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago17.11014.6113.82335.67
11-20 years ago12.71214.2112.82729.67
21-30 years ago12.01310.7133.12625.88
31-40 years ago8.5158.6152.03119.010
41-50 years ago7.0174.7200.94512.712
over 50 years ago34.2718.8103.62356.65
total91.6471.5416.111179.22
Southern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago5.02011.7132.33018.910
11-20 years ago3.8236.4171.04511.213
21-30 years ago5.3199.2140.47114.911
31-40 years ago8.51510.1140.85019.410
41-50 years ago6.01811.1131.04518.110
over 50 years ago30.1875.244.321109.63
total58.75123.829.714192.11
Switzerlandn/a0.6580.0.0.0.0.658
less than 10 years ago342.32127.0427.98497.21
11-20 years ago124.5473.9512.113210.53
21-30 years ago67.6550.767.217125.54
31-40 years ago50.1638.875.71894.64
41-50 years ago37.1733.084.52174.65
over 50 years ago143.34152.5318.110313.92
total765.51475.9175.451316.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #859222/325553
NFI4
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago69.747.7157.21684.63
11-20 years ago23.593.0252.72729.37
21-30 years ago10.8131.5351.43813.711
31-40 years ago7.3161.6350.8509.714
41-50 years ago4.6201.0440.4716.018
over 50 years ago4.7203.1251.7339.514
total120.6217.81014.211152.71
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago25.070.6581.14526.76
11-20 years ago11.3120.8500.65812.711
21-30 years ago2.9260.21000.0.3.125
31-40 years ago1.3400.4710.0.1.735
41-50 years ago0.8500.0.0.0.0.850
over 50 years ago1.7340.0.0.4712.231
total43.232.0312.13147.42
Western Plateaun/a0.21000.0.0.0.0.2100
less than 10 years ago27.863.2250.47131.45
11-20 years ago7.4160.6570.0.8.015
21-30 years ago4.1220.0.0.21004.322
31-40 years ago2.0310.21000.0.2.229
41-50 years ago1.1440.21000.21001.537
over 50 years ago1.7350.0.0.0.1.735
total44.334.2210.85049.22
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago48.043.8221.63553.43
11-20 years ago9.3131.6350.55811.512
21-30 years ago1.4370.6580.21002.130
31-40 years ago0.6580.4710.4711.437
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8500.21000.4701.437
total60.026.6163.12569.71
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago77.932.7270.47181.03
11-20 years ago15.7101.0450.0.16.710
21-30 years ago5.6181.0450.0.6.617
31-40 years ago2.0310.0.0.0.2.031
41-50 years ago1.0450.0.0.0.1.045
over 50 years ago1.4380.21000.0.1.635
total103.614.9200.471108.91
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.3169.6130.84917.79
11-20 years ago4.1224.7200.7599.414
21-30 years ago2.8272.4270.21005.418
31-40 years ago1.0452.3290.21003.523
41-50 years ago1.4381.5350.21003.024
over 50 years ago1.7342.6280.7585.120
total18.4923.172.72744.23
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago25.2822.881.73549.75
11-20 years ago12.51211.9120.210024.68
21-30 years ago3.4244.5210.0.7.916
31-40 years ago4.1221.8350.0.5.918
41-50 years ago2.7271.5380.0.4.222
over 50 years ago6.4173.8230.85011.113
total54.4546.252.827103.42
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago17.01014.9111.24133.16
11-20 years ago9.0147.7150.75017.510
21-30 years ago3.5243.4240.0.6.817
31-40 years ago2.3292.5280.6575.418
41-50 years ago2.2301.7330.4714.321
over 50 years ago4.5212.9250.21007.616
total38.5633.263.12574.82
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.21610.0132.23019.49
11-20 years ago4.2214.8200.4719.514
21-30 years ago3.9235.4180.6579.913
31-40 years ago1.8332.5290.21004.521
41-50 years ago2.0312.9260.0.4.920
over 50 years ago6.6176.1170.47013.111
total25.8831.763.92261.43
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.7263.7221.0447.414
11-20 years ago2.1293.1240.4715.617
21-30 years ago2.5281.6350.21004.221
31-40 years ago1.2410.9440.0.2.130
41-50 years ago0.6560.8490.21001.535
over 50 years ago3.7222.2290.21006.017
total12.71012.2102.03026.94
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.5265.8181.2419.513
11-20 years ago1.7343.8210.6596.216
21-30 years ago2.1322.2290.3714.720
31-40 years ago1.0401.1410.21002.327
41-50 years ago0.7581.1450.0.1.735
over 50 years ago3.3244.3200.5718.114
total11.41218.482.72632.54
Southwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago8.31515.2113.02626.58
11-20 years ago4.2229.4141.24114.711
21-30 years ago3.2257.2160.65810.913
31-40 years ago4.6215.5190.65810.813
41-50 years ago4.0226.3171.24111.513
over 50 years ago15.91126.884.02146.75
total40.2670.4310.513121.12
Southeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.31114.2113.82334.47
11-20 years ago12.11214.2112.82729.08
21-30 years ago10.81310.5132.92724.29
31-40 years ago7.1167.4161.83316.211
41-50 years ago4.2224.7200.9459.814
over 50 years ago19.01016.3102.72738.07
total69.5467.2414.911151.62
Southern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.62111.3132.33018.110
11-20 years ago3.2256.3181.04510.513
21-30 years ago2.9269.0150.47112.312
31-40 years ago5.3198.1150.85014.311
41-50 years ago3.22510.1140.85014.211
over 50 years ago18.31066.843.92388.93
total37.57111.639.114158.32
Switzerlandn/a0.4710.0.0.0.0.471
less than 10 years ago339.62125.4427.88492.81
11-20 years ago120.3472.8511.913205.03
21-30 years ago59.8649.567.017116.34
31-40 years ago41.7734.875.51982.05
41-50 years ago28.6831.684.32164.45
over 50 years ago89.75135.2316.011240.92
total680.11449.5272.451201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #859223/325554
NFI4
forest area
processes in channels 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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago69.747.7157.21684.63
11-20 years ago23.593.0252.72729.37
21-30 years ago10.8131.5351.43813.711
31-40 years ago7.3161.6350.8509.714
41-50 years ago4.6201.0440.4716.018
over 50 years ago4.7203.1251.7339.514
total120.6217.81014.211152.71
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago25.070.6581.14526.76
11-20 years ago11.3120.8500.65812.711
21-30 years ago2.9260.21000.0.3.125
31-40 years ago1.3400.4710.0.1.735
41-50 years ago0.8500.0.0.0.0.850
over 50 years ago1.7340.0.0.4712.231
total43.232.0312.13147.42
Western Plateaun/a0.21000.0.0.0.0.2100
less than 10 years ago27.863.2250.47131.45
11-20 years ago7.4160.6570.0.8.015
21-30 years ago4.1220.0.0.21004.322
31-40 years ago2.0310.21000.0.2.229
41-50 years ago1.1440.21000.21001.537
over 50 years ago1.7350.0.0.0.1.735
total44.334.2210.85049.22
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago48.243.8221.63553.63
11-20 years ago9.3131.6350.55811.512
21-30 years ago1.4370.6580.21002.130
31-40 years ago0.6580.4710.4711.437
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8500.21000.4701.437
total60.326.6163.12569.91
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago77.932.7270.47181.03
11-20 years ago15.7101.0450.0.16.710
21-30 years ago5.6181.0450.0.6.617
31-40 years ago2.0310.0.0.0.2.031
41-50 years ago1.0450.0.0.0.1.045
over 50 years ago1.4380.21000.0.1.635
total103.614.9200.471108.91
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.3169.6130.84917.79
11-20 years ago4.1224.7200.7599.414
21-30 years ago3.2252.4270.21005.818
31-40 years ago1.0452.3290.21003.523
41-50 years ago1.4381.5350.21003.024
over 50 years ago2.4302.8270.7585.918
total19.4923.372.72745.43
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago25.4823.081.73550.15
11-20 years ago12.51211.9120.210024.68
21-30 years ago3.4244.5210.0.7.916
31-40 years ago4.1221.8350.0.5.918
41-50 years ago2.7271.5380.0.4.222
over 50 years ago6.8173.8230.85011.513
total55.0546.452.827104.22
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago17.01014.9111.24133.16
11-20 years ago9.2147.7150.75017.710
21-30 years ago3.7233.4240.0.7.016
31-40 years ago2.3292.5280.6575.418
41-50 years ago2.2301.7330.4714.321
over 50 years ago5.1202.9250.21008.215
total39.5633.263.12575.82
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.41610.0132.23019.69
11-20 years ago4.6214.8200.4719.914
21-30 years ago4.1225.4180.65710.113
31-40 years ago2.0312.5290.21004.720
41-50 years ago3.0262.9260.0.5.918
over 50 years ago8.4156.1170.47015.011
total29.6731.763.92265.23
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.7263.7221.0447.414
11-20 years ago3.1243.1240.4716.616
21-30 years ago3.5241.8330.21005.418
31-40 years ago2.0321.1400.0.3.125
41-50 years ago0.6560.8490.21001.535
over 50 years ago5.3192.6270.21008.015
total17.1913.092.03032.14
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.5265.8181.2419.513
11-20 years ago2.3293.8210.6596.816
21-30 years ago2.9272.2290.3715.518
31-40 years ago1.6331.1410.21002.925
41-50 years ago0.7581.1450.0.1.735
over 50 years ago6.1174.3200.57110.812
total16.11018.482.72637.34
Southwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago8.31515.2113.02626.58
11-20 years ago4.6219.4141.24115.111
21-30 years ago3.6237.2160.65811.313
31-40 years ago6.3185.7180.65812.612
41-50 years ago5.0206.3171.24112.512
over 50 years ago18.71027.074.02149.85
total46.5670.8310.513127.82
Southeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.51114.6113.82335.07
11-20 years ago12.71214.2112.82729.67
21-30 years ago12.01310.7133.12625.88
31-40 years ago8.3157.8162.03118.010
41-50 years ago7.0174.7200.94512.712
over 50 years ago31.5817.3102.72751.56
total88.0469.2415.311172.52
Southern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago5.02011.5132.33018.710
11-20 years ago3.8236.4171.04511.213
21-30 years ago4.9209.2140.47114.511
31-40 years ago8.4159.9140.85019.010
41-50 years ago5.41910.7131.04517.110
over 50 years ago22.0970.143.92396.13
total49.46117.929.314176.62
Switzerlandn/a0.4710.0.0.0.0.471
less than 10 years ago340.82126.2427.88494.81
11-20 years ago124.1473.0511.913209.03
21-30 years ago66.0550.267.217123.34
31-40 years ago49.1637.475.71892.25
41-50 years ago35.6732.284.52172.25
over 50 years ago116.74140.4316.011273.02
total732.61459.3273.051264.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #859224/325555
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