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NFI4b

forest area: indicator of groundwater protection zone (2013) · degree of mixture · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
indicator of groundwater protection zone (2013)degree of mixture %± %± %± %± %± %± %±
no groundwater protection zonen/a0.20.20.70.31.70.42.70.92.60.91.10.51.30.2
pure conifer forest19.31.722.21.544.41.663.12.879.12.230.72.238.80.8
mixed conifer forest17.31.622.61.520.01.35.71.44.61.15.81.115.40.6
mixed broadleaf forest15.81.616.41.411.91.05.41.34.01.16.51.211.50.5
pure broadleaf forest21.31.832.01.716.31.211.21.85.71.240.82.322.20.7
total73.91.993.80.994.30.788.11.996.01.184.91.789.30.5
groundwater protection zonen/a0.40.30.10.10.30.2..0.30.30.20.20.20.1
pure conifer forest7.71.11.00.43.10.510.21.83.20.95.21.14.30.3
mixed conifer forest8.11.22.70.61.20.30.40.40.30.30.90.42.40.3
mixed broadleaf forest5.71.01.00.40.30.2..0.30.30.20.21.30.2
pure broadleaf forest4.20.91.40.40.80.31.30.7..8.61.32.50.3
total26.11.96.20.95.70.711.91.94.01.115.11.710.70.5
totaln/a0.60.30.80.32.00.42.70.92.90.91.40.51.60.2
pure conifer forest27.01.923.11.647.51.673.32.682.32.035.92.343.10.8
mixed conifer forest25.41.925.31.621.21.36.11.44.81.16.61.217.90.6
mixed broadleaf forest21.51.817.41.412.21.05.41.34.31.16.81.212.70.6
pure broadleaf forest25.51.933.41.717.11.212.51.95.71.249.42.424.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #151048/137428
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