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NFI4
forest area
groundwater protection zones (April 2013)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
groundwater protection zones (April 2013)
n/agroundwater protection zone S1groundwater protection zone S2groundwater protection zone S3no groundwater protection zone, but rated as S2no groundwater protection zone, but 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 Jura106.430.0.9.31430.971.2410.0.4.920152.71
Eastern Jura44.830.21001.5380.9500.0.0.0.0.0.47.42
Western Plateau44.130.21002.1312.6280.21000.0.0.0.49.22
Central Plateau65.420.0.1.8332.4290.4710.0.0.0.69.91
Eastern Plateau101.920.0.2.6274.1220.21000.0.0.0.108.91
Western Pre-Alps41.140.0.1.4382.0320.9450.0.0.0.45.43
Central Pre-Alps100.920.4711.1451.2410.6580.0.0.0.104.22
Eastern Pre-Alps70.930.21001.3382.3291.0450.0.0.0.75.82
Northwestern Alps61.830.0.1.5381.9330.0.0.0.0.0.65.23
Central Alps29.250.21000.6570.4711.8330.0.0.0.32.14
Northeastern Alps34.550.0.0.4702.1310.4710.0.0.0.37.34
Southwestern Alps112.420.0.8.4155.9181.2410.0.0.0.127.82
Southeastern Alps166.520.21000.4710.8504.6210.0.0.0.172.52
Southern Alps151.020.4719.41413.4122.4290.0.0.0.176.62
Switzerland1130.611.93341.7771.1514.8110.0.4.9201264.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #874886/341218
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