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NFI4
forest area
groundwater protection zones (April 2013)
unit of reference: protection forest region
unit: 1000 ha
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
groundwater protection zones (April 2013)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a360.71204.51136.62111.92162.32159.921135.91
groundwater protection zone S10.4710.4710.21000.0.0.21000.4711.735
groundwater protection zone S217.3113.9232.3298.1150.21009.41441.37
groundwater protection zone S340.075.4194.9205.3190.85013.71270.15
no groundwater protection zone, but rated as S21.9321.4382.8271.0454.6212.62814.312
no groundwater protection zone, but rated as S30.0.0.0.0.0.0.0.0.0.0.0.0.0.
area of contribution instead of protection zone S35.0200.0.0.0.0.0.0.0.0.0.5.020
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 17.06.2020 #885130/351462
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