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NFI4b

forest area: urgency of next treatment (interview survey) · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearless than 10 years ago8.21.29.91.12.50.5....0.70.44.40.4
11-20 years ago3.70.83.20.61.60.40.40.40.30.30.20.21.90.2
21-30 years ago1.10.50.60.31.00.30.40.40.90.50.50.30.80.2
31-40 years ago0.20.20.30.20.30.2..0.60.4..0.20.1
41-50 years ago0.40.3..0.30.20.40.40.30.30.20.20.20.1
over 50 years ago0.70.4..0.40.21.40.70.60.40.90.50.50.1
total14.31.513.91.36.20.82.50.92.70.92.60.88.10.5
2-5 yearsless than 10 years ago17.71.634.11.87.50.81.80.82.40.91.70.613.40.6
11-20 years ago8.91.25.60.95.80.70.70.52.70.90.50.34.80.4
21-30 years ago3.20.81.40.42.10.51.10.61.20.60.90.51.80.2
31-40 years ago1.10.50.60.31.60.40.40.40.90.50.50.31.00.2
41-50 years ago..0.10.10.70.30.40.40.60.40.70.40.40.1
over 50 years ago....0.70.33.51.11.50.72.60.81.00.2
total30.82.041.81.818.41.27.71.69.51.66.91.222.40.7
6-10 yearsless than 10 years ago17.11.624.11.69.70.92.50.94.01.12.10.712.00.6
11-20 years ago6.01.03.70.76.50.82.50.93.41.00.70.44.40.4
21-30 years ago2.20.61.70.53.30.61.10.61.80.70.70.42.10.2
31-40 years ago1.50.50.70.31.60.40.70.50.90.50.70.41.10.2
41-50 years ago0.90.40.30.21.10.30.70.5..0.90.50.70.1
over 50 years ago0.40.30.60.31.20.44.61.21.50.74.31.01.60.2
total28.11.931.01.723.41.411.91.911.61.89.51.421.90.7
11-20 yearsless than 10 years ago8.01.26.90.98.70.93.51.16.11.30.50.36.40.4
11-20 years ago2.80.71.40.44.80.76.01.42.10.81.40.63.10.3
21-30 years ago1.30.50.40.22.50.52.10.92.10.81.90.71.70.2
31-40 years ago0.60.3..1.10.30.70.51.20.60.90.50.70.1
41-50 years ago0.90.4..1.60.41.40.7..0.50.30.80.2
over 50 years ago0.40.30.30.22.30.56.71.51.80.77.61.32.50.3
total13.91.58.91.121.11.320.42.413.41.912.81.615.30.6
> 20 yearsless than 10 years ago1.10.51.10.47.30.814.02.110.41.75.21.15.50.4
11-20 years ago2.80.70.40.23.90.64.91.310.41.74.51.03.80.3
21-30 years ago1.30.51.00.43.50.63.91.19.61.65.41.13.50.3
31-40 years ago2.80.70.40.23.30.64.61.27.61.55.91.13.40.3
41-50 years ago1.30.50.70.32.90.56.01.44.81.24.21.02.80.3
over 50 years ago3.50.80.80.39.91.024.22.520.02.242.92.413.30.6
total12.81.44.40.830.91.557.52.962.82.768.22.332.20.7
totalless than 10 years ago52.02.276.11.635.71.521.82.422.92.310.21.541.60.8
11-20 years ago24.21.814.31.322.61.314.42.118.92.27.41.318.00.7
21-30 years ago9.11.25.00.812.31.18.41.615.72.09.51.49.80.5
31-40 years ago6.11.01.90.58.00.96.31.411.31.78.01.36.50.4
41-50 years ago3.50.81.10.46.70.88.81.75.81.36.61.25.00.4
over 50 years ago5.00.91.70.514.61.140.32.925.52.458.32.419.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 08.11.2014 #143500/129873
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