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NFI4
forest area
groundwater protection zones (April 2013)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
groundwater protection zones (April 2013)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a151.42213.51219.11429.91165.521179.41
groundwater protection zone S10.21000.21000.6580.4700.4711.833
groundwater protection zone S210.8136.5173.82312.0139.61442.87
groundwater protection zone S332.478.8145.81811.51314.11172.55
no groundwater protection zone, but rated as S21.2410.8502.7288.2162.62815.411
no groundwater protection zone, but rated as S30.0.0.0.0.0.0.0.0.0.0.0.
area of contribution instead of protection zone S35.0200.0.0.0.0.0.0.0.5.020
total201.11229.81231.91462.01192.111316.90
© WSL, Swiss National Forest Inventory, 17.06.2020 #874902/341234
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