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NFI4
forest area
groundwater protection zones (April 2013)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: 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 Jura107.230.0.9.31430.971.2410.0.4.920153.51
Eastern Jura45.020.21001.5380.9500.0.0.0.0.0.47.62
Western Plateau45.030.21002.1312.6280.21000.0.0.0.50.12
Central Plateau66.220.0.1.8332.4290.4710.0.0.0.70.71
Eastern Plateau102.120.0.2.6274.1220.21000.0.0.0.109.11
Western Pre-Alps42.330.0.1.4382.0320.9450.0.0.0.46.63
Central Pre-Alps104.120.4711.1451.4380.6580.0.0.0.107.62
Eastern Pre-Alps72.830.21001.3382.3291.0450.0.0.0.77.72
Northwestern Alps65.830.0.1.7352.1310.0.0.0.0.0.69.53
Central Alps33.050.21000.6570.6571.8330.0.0.0.36.14
Northeastern Alps38.540.0.0.4702.1310.4710.0.0.0.41.33
Southwestern Alps119.620.0.9.0156.1181.2410.0.0.0.135.82
Southeastern Alps173.020.21000.4710.8504.8200.0.0.0.179.22
Southern Alps165.520.4719.61414.1112.6280.0.0.0.192.11
Switzerland1179.811.93342.7772.5515.1110.0.4.9201316.80
© WSL, Swiss National Forest Inventory, 17.06.2020 #874888/341220
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