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NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago11.8176.9237.2216.9224.9264.32941.99
11-20 years ago4.3292.5383.1332.7353.9302.53819.014
21-30 years ago3.6321.1582.4382.1411.1583.23313.416
31-40 years ago1.1580.7711.4501.4502.5381.1588.121
41-50 years ago2.1411.1581.0583.8300.41001.4509.819
over 50 years ago1.1582.9351.0588.6192.1419.91825.611
total24.01215.11516.21425.41014.81522.312117.85
outside perimeterless than 10 years ago272.2283.3545.1717.21330.91010.318458.92
11-20 years ago62.6732.51019.3138.91921.4126.024150.75
21-30 years ago37.9919.11310.1184.12812.3165.02688.56
31-40 years ago11.51715.5156.9224.5278.1206.02452.48
41-50 years ago6.1247.2224.8266.9225.6258.91939.59
over 50 years ago7.92117.71414.11526.81026.01160.96153.34
total398.11175.32100.4368.35104.3397.04943.41
totalless than 10 years ago284.0290.2552.3724.01135.9914.515500.92
11-20 years ago66.9735.0922.51111.71625.3118.520169.84
21-30 years ago41.5920.21312.6166.22313.3168.120101.96
31-40 years ago12.51716.2148.3205.82410.5187.02260.57
41-50 years ago8.2218.3205.92410.6176.02410.31849.38
over 50 years ago8.92020.61315.21435.3828.11070.86178.94
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #159966/146345
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