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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 NFI3/NFI4
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/a0.90.22.70.51.70.53.00.82.40.61.10.41.70.2
pure conifer forest21.11.049.81.640.21.969.42.080.21.534.41.842.80.6
mixed conifer forest24.61.022.01.325.11.78.41.25.20.87.41.017.90.5
mixed broadleaf forest20.70.912.81.114.51.46.51.15.90.98.11.113.60.5
pure broadleaf forest32.71.112.81.118.51.612.71.46.30.949.11.923.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
groundwater protection zonen/a1.30.68.34.02.32.30.0.7.95.30.80.82.00.6
pure conifer forest26.22.448.27.244.67.678.55.181.27.629.24.237.51.9
mixed conifer forest32.72.616.75.425.96.74.62.67.65.26.72.322.21.7
mixed broadleaf forest21.42.311.94.69.24.46.23.03.43.34.21.814.31.4
pure broadleaf forest18.42.114.95.218.05.810.73.80.0.59.14.524.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.22.90.51.70.52.70.72.60.61.00.41.80.2
pure conifer forest21.90.949.71.540.41.970.41.880.21.533.61.642.20.6
mixed conifer forest25.80.921.81.325.21.78.01.15.20.87.30.918.40.5
mixed broadleaf forest20.80.912.71.114.11.46.41.05.80.97.51.013.70.4
pure broadleaf forest30.51.012.91.118.51.512.51.36.10.950.61.723.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #885185/351517
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