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NFI4
forest area
indicator of groundwater protection zone (2013) · degree of mixture
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
indicator of groundwater protection zone (2013)degree of mixture %± %± %± %± %± %± %±
no groundwater protection zonen/a0.90.22.60.51.60.52.90.72.30.61.00.41.70.2
pure conifer forest20.90.949.31.639.71.969.21.979.71.534.81.742.90.6
mixed conifer forest24.41.021.81.324.81.78.21.25.90.97.51.017.70.5
mixed broadleaf forest20.70.912.81.115.31.46.51.15.70.97.81.013.60.5
pure broadleaf forest33.11.113.51.118.61.513.21.46.40.949.01.824.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
groundwater protection zonen/a1.30.68.03.82.22.20.0.7.65.10.80.81.90.5
pure conifer forest27.32.548.37.042.77.477.04.978.08.029.44.138.21.9
mixed conifer forest32.22.618.05.424.86.55.42.67.35.06.42.221.71.6
mixed broadleaf forest21.12.211.54.410.84.65.42.77.14.94.81.914.21.4
pure broadleaf forest18.12.114.35.019.55.912.23.80.0.58.74.424.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.22.80.51.60.52.50.62.40.61.00.31.70.2
pure conifer forest21.90.949.21.539.91.870.21.879.71.433.91.642.40.6
mixed conifer forest25.60.921.61.324.81.67.81.16.00.97.30.918.10.5
mixed broadleaf forest20.80.912.81.015.01.46.41.05.80.87.30.913.60.4
pure broadleaf forest30.81.013.61.118.61.513.11.36.10.950.41.624.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874948/341280
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