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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
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 ago15.71541.5826.31015.41413.01610.718122.65
11-20 years ago7.52221.61216.01410.31813.7157.42176.67
21-30 years ago2.53814.8157.4227.2219.5199.21950.68
31-40 years ago2.1416.9235.3264.1286.3236.02430.811
41-50 years ago1.1585.4263.1336.5224.6278.02028.711
over 50 years ago3.63212.6169.31926.41016.21467.06135.14
total32.610102.8467.5670.0563.36108.34444.42
outside perimeterless than 10 years ago267.9242.2824.8119.31920.8124.627369.62
11-20 years ago74.1624.51214.0155.92414.4153.531136.45
21-30 years ago27.21110.1198.6203.43115.8144.92770.17
31-40 years ago13.6167.6225.2254.22910.1186.62347.38
41-50 years ago8.6207.2223.8304.9264.9261.84531.111
over 50 years ago10.01914.81512.61616.81319.61324.01197.86
total401.41106.4569.0644.4785.6545.48752.21
totalless than 10 years ago283.7283.7551.1724.71133.8915.315492.22
11-20 years ago81.6646.2830.01016.21428.11011.017213.04
21-30 years ago29.71124.91216.01410.71725.31114.115120.75
31-40 years ago15.71514.41510.5188.32016.51412.61678.07
41-50 years ago9.71912.6166.92211.4179.4199.81859.87
over 50 years ago13.61627.41122.01243.2735.8991.05232.93
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161460/147839
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