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NFI4
forest area
indicator of groundwater protection zone (2013)
unit of reference: protection forest region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
indicator of groundwater protection zone (2013) %± %± %± %± %± %± %±
no groundwater protection zone84.80.894.90.793.00.988.61.396.60.686.01.189.60.4
groundwater protection zone15.20.85.10.77.00.911.41.33.40.614.01.110.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #875309/341641
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