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NFI4
forest area
urgency of next treatment (interview survey) · lower/higher altitudinal zones · stage of stand development
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
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/a0.20.21.00.30.20.10.20.20.30.10.40.1
young growth/ thicket11.41.59.20.83.30.51.40.41.80.34.40.2
poletimber9.21.412.30.910.50.84.00.76.90.58.60.3
young timber6.31.17.60.78.40.87.20.94.80.56.60.3
medium timber11.01.511.00.913.10.910.51.03.40.48.70.3
old timber17.81.819.61.114.91.08.71.03.20.411.10.4
mixed9.71.47.40.78.60.89.11.07.70.68.20.3
total65.62.268.11.259.11.341.21.628.00.947.90.5
high altitude areasn/a0.70.40.60.20.60.21.90.52.00.31.30.1
young growth/ thicket3.20.82.30.43.50.54.10.77.60.64.80.3
poletimber4.71.03.40.54.10.65.20.813.40.77.50.3
young timber2.90.82.80.53.60.55.70.85.70.54.50.3
medium timber5.61.14.40.67.10.78.50.97.60.66.80.3
old timber11.81.59.70.89.80.813.71.210.00.610.60.4
mixed5.51.18.60.812.10.919.71.325.50.916.70.5
total34.42.231.91.240.91.358.81.672.00.952.10.5
totaln/a0.90.51.50.30.80.22.10.52.30.31.70.2
young growth/ thicket14.51.611.60.96.90.75.40.89.40.69.20.3
poletimber13.91.615.71.014.71.09.21.020.30.916.10.4
young timber9.21.310.40.812.00.913.01.110.50.711.10.4
medium timber16.61.715.51.020.31.119.11.311.00.715.50.5
old timber29.62.129.31.224.81.222.41.413.20.721.60.5
mixed15.31.715.91.020.71.128.81.533.21.024.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #798983/265315
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