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NFI4
forest area
protection forest against channel processes (2022) · time of last treatment (in 10-year classes)
regional demarcation: economic region
unit: 1000 ha
evaluation area: forest NFI4/NFI5
grid: 1.4 km grid, subgrids 1-5
state 2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest against channel processes (2022)time of last treatment (in 10-year classes)1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
11-20 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
21-30 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
51-100 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
>100 years ago or never0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
insiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago9.2190.3.2.8352.4386.2238.42023.01216.51410.1185.6255.62515.41511.61710.917128.15
11-20 years ago3.1330.7710.7711.7452.7353.93010.9179.6196.2233.1333.73010.91813.1167.62178.06
21-30 years ago0.7700.0.0.0.0.3.1.7452.0414.1293.2338.4202.1413.7307.02211.51710.01954.78
31-40 years ago1.0580.3.0.0.0.3.0.7712.8351.9452.4382.5381.4500.3.4.6288.7208.22135.410
41-50 years ago1.0580.0.0.3.0.0.0.0.1.6452.0411.7452.5380.7711.0586.8234.6288.42030.611
51-100 years ago2.4370.3.0.0.0.0.0.3.2.0413.1341.7452.8351.8452.43819.6139.91946.1892.56
>100 years ago or never0.3.0.0.0.0.0.3.0.0.1.9453.2331.9454.6280.7712.9357.8219.61930.31063.67
total17.9131.7443.8305.12611.61722.51248.4837.0937.1915.41519.61372.1669.17121.53482.82
outsiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago73.1623.21123.91157.5777.768.52123.91215.81510.2183.9303.8309.91922.9125.027359.32
11-20 years ago32.01012.1165.5259.51911.2175.62515.4158.6204.1291.7453.5326.12416.3153.930135.55
21-30 years ago12.9162.1413.8302.0415.0253.2334.3293.3333.2333.6322.8354.52814.9155.82471.47
31-40 years ago8.0211.0571.4501.4501.3501.6454.0303.4321.4502.2411.7456.12411.1189.91954.28
41-50 years ago5.0271.0581.4500.0.0.3.1.4502.4382.1413.2331.8450.7716.4249.0205.72540.59
51-100 years ago2.8351.4501.7451.0580.7712.3412.1414.0304.8274.8271.05811.11813.61618.01469.27
>100 years ago or never1.8450.0.0.3.0.7710.3.1.1584.4292.7384.2295.3266.02414.21619.11317.81378.07
total135.7340.9838.0972.1696.6523.51256.4740.0931.01023.31219.41358.37106.9566.16808.11
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=10 years ago82.3523.61126.71159.9783.9516.91446.9832.41020.4139.5199.31925.31134.51015.914487.32
11-20 years ago35.2912.8166.12311.21713.9159.61926.31118.21310.3184.8277.22217.01429.51111.617213.44
21-30 years ago13.6162.1413.8302.4386.7225.1268.4206.52311.5175.7256.52311.51726.41115.814126.15
31-40 years ago9.0201.4501.4501.7452.0414.3285.9255.9243.9303.6322.04110.71819.81318.11489.66
41-50 years ago6.1241.0581.7450.0.0.3.2.9334.4283.8305.6252.5381.84513.21613.51614.11671.07
51-100 years ago5.2251.7441.7451.0581.0584.3295.2265.7257.6216.6233.43230.71023.51264.16161.84
>100 years ago or never2.1410.0.0.3.1.0580.3.2.9357.7224.6298.8206.1248.92022.01228.71148.18141.55
total153.5342.6841.8877.26108.2446.18104.7577.0668.1738.7939.09130.45175.94187.621290.81
© WSL, Swiss National Forest Inventory, 21.05.2024 #1272003/453753

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1272003. Birmensdorf, Swiss Federal Research Institute WSL

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