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NFI4
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
state2009/17
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/a13.8126.9176.2174.5214.1224.72040.27
0 - 10%92.0422.6916.61011.9127.91564.84215.83
11 - 50%87.1423.0922.195.2194.9207.716150.23
51 - 90%102.9446.5634.4713.8119.41310.413217.43
91 - 100%66.4599.4346.2671.04119.8246.66449.42
total362.21198.42125.52106.52146.22134.221073.01
groundwater protection zonen/a1.9331.2410.21000.4710.0.0.8504.521
0 - 10%9.9140.9501.5351.8330.47113.51228.08
11 - 50%14.8111.4381.4380.8500.21001.53520.110
51 - 90%23.991.9332.2301.4380.6581.63531.48
91 - 100%15.2115.0203.62310.3134.2226.71744.97
total65.7510.3148.91414.7115.41924.18129.04
totaln/a15.7118.1156.4174.9204.1225.51944.76
0 - 10%101.9423.5918.11013.7118.31578.33243.82
11 - 50%102.0424.4923.586.0175.1199.314170.33
51 - 90%126.8348.3636.6615.11110.01311.912248.92
91 - 100%81.54104.3349.7581.33124.0253.35494.32
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #875266/341598
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