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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 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/a0.20.21.10.30.20.10.30.20.40.10.50.1
young growth/ thicket11.21.59.00.83.20.51.30.41.80.34.30.3
poletimber9.41.412.40.910.60.84.10.76.90.68.70.3
young timber6.51.28.10.88.80.87.30.95.10.57.00.3
medium timber11.21.511.10.913.31.010.51.03.70.48.90.4
old timber17.81.819.71.115.11.08.91.03.50.411.40.4
mixed9.61.47.20.78.60.88.81.07.80.68.10.3
total66.02.268.51.259.71.341.21.729.21.048.90.5
high altitude areasn/a0.70.40.50.20.60.21.90.52.10.31.30.1
young growth/ thicket3.20.92.20.43.30.53.80.75.80.54.00.3
poletimber4.31.03.40.54.00.65.00.713.00.77.20.3
young timber2.90.82.90.53.40.55.80.86.10.54.60.3
medium timber5.41.14.50.67.20.78.91.07.90.67.00.3
old timber12.21.69.60.89.90.813.91.210.60.710.80.4
mixed5.41.18.40.811.70.919.41.425.31.016.30.5
total34.02.231.51.240.31.358.81.770.81.051.10.5
totaln/a1.00.51.60.40.80.32.20.52.50.41.80.2
young growth/ thicket14.41.711.20.96.50.75.10.87.60.68.30.3
poletimber13.71.615.81.014.61.09.11.019.90.915.80.5
young timber9.41.411.00.912.20.913.11.211.20.711.50.4
medium timber16.61.815.61.020.51.119.41.411.60.715.90.5
old timber30.02.229.31.225.01.222.91.514.10.822.30.5
mixed15.01.715.51.020.31.128.21.533.11.124.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #798966/265298
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