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NFI4
forest area
urgency of next treatment (interview survey) · lower/higher altitudinal zones · stage of stand development
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
lower/higher altitudinal zonesstage of stand development %± %± %± %± %± %±
lowlandsn/a0.20.21.00.30.20.10.30.20.30.10.40.1
young growth/ thicket11.31.59.00.83.10.51.30.41.60.34.40.3
poletimber9.51.412.20.910.80.94.30.77.10.68.90.4
young timber6.41.28.40.88.80.87.71.06.00.67.50.4
medium timber11.61.511.40.913.81.010.81.14.40.59.70.4
old timber18.11.920.01.115.51.09.31.04.20.512.30.4
mixed9.91.47.10.78.50.89.11.08.70.78.50.4
total67.12.369.01.360.71.342.71.732.31.151.60.5
high altitude areasn/a0.70.40.60.20.70.22.00.52.50.41.40.2
young growth/ thicket3.20.92.30.43.00.53.30.63.60.53.10.2
poletimber3.00.82.90.53.60.54.00.79.40.75.30.3
young timber3.00.83.00.53.30.56.00.86.60.64.60.3
medium timber5.61.14.70.67.20.79.31.09.00.77.40.3
old timber12.41.69.70.810.10.913.41.212.00.811.30.4
mixed5.01.07.90.811.40.919.21.424.61.015.40.5
total32.92.331.01.339.31.357.31.767.71.148.40.5
totaln/a1.00.51.60.40.80.32.30.52.80.41.80.2
young growth/ thicket14.61.711.30.96.10.74.60.85.20.57.50.3
poletimber12.41.615.01.014.41.08.31.016.50.914.10.5
young timber9.41.411.30.912.20.913.71.212.60.812.10.4
medium timber17.11.816.11.021.01.220.11.413.40.817.00.5
old timber30.52.229.61.325.61.222.71.516.10.923.50.5
mixed15.01.715.01.019.91.128.31.633.41.223.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #798961/265293
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