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NFI4b

forest area: groundwater protection zones (april 2013) · economic region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
groundwater protection zones (april 2013)
n/agroundwater protection zone S1groundwater protection zone S2groundwater protection zone S3no groundwater protection zone, but is rated as S2no groundwater protection zone, but is rated as S3area of contribution instead of protection zone S3total
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura110.43..8.22031.5100.771..5.026155.82
Eastern Jura45.830.41001.2570.870......48.22
Western Plateau44.250.41002.1443.235......49.93
Central Plateau65.73..1.9401.9400.671....70.12
Eastern Plateau106.62..2.5374.627......113.72
Western Pre-Alps44.74..0.41002.2401.550....48.73
Central Pre-Alps100.420.7711.1582.2410.4100....104.72
Eastern Pre-Alps72.830.41000.7713.2331.450....78.63
Northwestern Alps68.03..1.4501.157......70.53
Central Alps36.250.3100..0.7702.140....39.34
Northeastern Alps39.84..0.7701.158......41.64
Southwestern Alps111.13..9.0196.5221.745....128.32
Southeastern Alps168.32..0.41000.7714.627....174.02
Southern Alps160.120.7718.52012.6163.233....185.11
Switzerland1174.212.93538.01072.2716.215..5.0261308.51

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #150950/137331
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