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NFI4b

forest area: processes in channels 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 NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels 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 ago15.71541.5825.91115.41412.31610.318121.15
11-20 years ago7.52221.31215.21410.31813.7157.42175.47
21-30 years ago2.53814.8157.4226.9229.5198.92049.98
31-40 years ago2.1416.9235.3264.1286.3236.02430.811
41-50 years ago1.1585.4263.1336.2234.2287.72127.711
over 50 years ago3.63212.6168.61925.71015.51465.56131.65
total32.610102.4465.6668.6561.56105.94436.52
outside perimeterless than 10 years ago266.1241.1922.5128.91919.7134.329362.62
11-20 years ago73.0623.41213.6155.52514.4153.233133.25
21-30 years ago26.5119.4197.4212.73512.9164.62863.57
31-40 years ago13.6167.2225.2253.13310.1185.62544.89
41-50 years ago8.6207.2223.5314.2294.9261.84530.111
over 50 years ago9.71913.01611.91716.11417.11420.51288.26
total397.41101.3564.1640.5879.1539.88722.31
totalless than 10 years ago281.8282.6548.4724.41132.0914.515483.72
11-20 years ago80.5644.7828.81015.81428.11010.618208.64
21-30 years ago29.01124.21214.8159.61822.41213.416113.45
31-40 years ago15.71514.11610.5187.22116.51411.61775.67
41-50 years ago9.71912.6166.62210.3189.1199.51957.88
over 50 years ago13.21625.61120.61241.8832.6986.05219.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164466/150848
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