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NFI2
forest area
indicator of groundwater protection zone (2013) · basal area of conifers (classified)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
indicator of groundwater protection zone (2013)basal area of conifers (classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
no groundwater protection zonen/a10.7136.2185.7184.4214.4214.82036.27
0 - 10%78.9516.01114.6118.5148.11556.15182.33
11 - 50%81.7421.2917.7105.2192.9266.218134.94
51 - 90%102.4443.5632.2710.0138.61410.313207.03
91 - 100%87.34102.4346.6665.94107.6337.16447.12
total361.01189.32116.8294.13131.62114.621007.51
groundwater protection zonen/a0.4710.21000.21000.6570.21000.4712.032
0 - 10%10.4140.4711.7330.9440.0.13.11226.78
11 - 50%13.5121.2411.2410.6580.0.1.04517.411
51 - 90%22.292.4292.2300.8500.8501.63529.88
91 - 100%17.7105.6193.8238.9144.0225.91845.96
total64.259.9149.11411.8125.02021.99121.94
totaln/a11.1136.4175.9185.1204.6215.21938.37
0 - 10%89.3416.51116.4109.5138.11569.34209.03
11 - 50%95.2422.4918.995.8182.9267.216152.33
51 - 90%124.6345.9634.3710.8139.31411.912236.83
91 - 100%105.04108.1350.4574.83111.6343.06493.01
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 17.06.2020 #875264/341596
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