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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 NFI3/NFI4
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 Jura105.030.0.9.31430.171.2410.0.4.920150.51
Eastern Jura44.030.21001.5380.9500.0.0.0.0.0.46.62
Western Plateau44.130.21002.1312.5290.21000.0.0.0.49.12
Central Plateau64.820.0.1.8332.4290.4710.0.0.0.69.31
Eastern Plateau100.620.0.2.6274.1220.21000.0.0.0.107.61
Western Pre-Alps40.540.0.1.4382.0320.7500.0.0.0.44.63
Central Pre-Alps96.920.4711.1451.2410.6580.0.0.0.100.22
Eastern Pre-Alps68.930.0.1.3382.1300.8500.0.0.0.73.22
Northwestern Alps59.230.0.1.3411.9330.0.0.0.0.0.62.33
Central Alps26.850.21000.6570.4711.6350.0.0.0.29.64
Northeastern Alps31.750.0.0.4702.1310.4710.0.0.0.34.54
Southwestern Alps106.720.0.7.8165.1191.0450.0.0.0.120.52
Southeastern Alps156.420.21000.21000.8504.4210.0.0.0.162.02
Southern Alps145.020.4718.61513.2122.4290.0.0.0.169.72
Switzerland1090.411.73539.9768.8513.8120.0.4.9201219.51
© WSL, Swiss National Forest Inventory, 17.06.2020 #874885/341217
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