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NFI4
forest area
urgency of next treatment (interview survey) · lower/higher altitudinal zones
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)lower/higher altitudinal zones %± %± %± %± %± %±
0-1 yearlowlands9.00.913.01.02.50.51.30.31.40.55.40.3
high altitude areas4.20.70.10.14.30.63.00.41.30.42.70.2
total13.31.113.11.06.90.84.30.52.60.78.10.4
2-5 yearslowlands20.91.341.61.59.80.93.70.52.80.715.80.5
high altitude areas9.70.90.80.211.11.08.50.74.80.87.20.3
total30.61.542.41.520.91.312.20.87.61.123.00.6
6-10 yearslowlands18.41.228.41.314.81.13.30.46.41.013.80.5
high altitude areas9.80.90.80.315.51.111.80.85.00.99.10.4
total28.21.529.31.430.31.515.10.911.41.322.90.6
11-20 yearslowlands9.00.98.10.86.40.83.60.56.51.06.40.3
high altitude areas4.70.70.60.214.61.113.80.95.60.98.60.4
total13.81.18.80.821.01.317.40.912.01.315.00.5
> 20 yearslowlands8.80.95.90.74.10.69.30.730.61.810.00.4
high altitude areas5.40.70.50.216.81.141.81.235.81.821.10.5
total14.21.16.50.720.91.351.11.266.41.931.10.6
totallowlands66.31.297.20.437.61.321.20.947.71.751.50.5
high altitude areas33.71.22.80.462.41.378.80.952.31.748.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799040/265372
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