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NFI4
forest area
groundwater protection zones (2022, 8 classes)
regional demarcation: biogeographical region
unit: 1000 ha
evaluation area: accessible forest without shrub forest
grid: 1.4-km grid
state 2009/17
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
groundwater protection zones (2022, 8 classes)1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
S10.0.0.6580.4710.0.0.2.0.4711.635
S210.2146.8175.6195.6190.6588.51537.27
S333.779.6147.3164.3211.63511.11367.65
area of contribution instead of S3 or Sm5.2190.0.0.0.0.0.0.0.0.0.5.219
Sh0.2.0.0.1.6350.0.0.0.0.0.1.833
Sm0.2.0.0.0.2.0.2.0.0.0.0.0.658
protection zone, not according to federal law1.2411.1452.6280.0.4.8201.83311.513
no protection zone142.72240.22307.1294.94147.43144.321076.71
total193.52258.21324.92105.14154.53166.021202.21
© WSL, Swiss National Forest Inventory, 21.05.2024 #1203877/385626

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1203877. Birmensdorf, Swiss Federal Research Institute WSL
https://doi.org/10.21258/1835664

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