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NFI4b

forest area: indicator of groundwater protection zone (2013) · production region
unit: %
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
indicator of groundwater protection zone (2013) %± %± %± %± %± %±
no groundwater protection zone76.21.892.81.093.90.993.30.786.51.589.70.5
groundwater protection zone23.81.87.21.06.10.96.70.713.51.510.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #151032/137412
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