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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: terrestrial grid NFI2
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/a10.9126.3175.0184.2204.8194.71935.97
0 - 10%77.9416.31015.1108.4147.91555.74181.33
11 - 50%82.0421.1917.795.5172.9245.917135.13
51 - 90%101.2443.3632.3610.0138.7139.813205.23
91 - 100%86.84102.7348.1566.74106.8238.76449.72
total358.71189.61118.2294.82131.02114.721007.21
groundwater protection zonen/a0.4710.21000.5580.7500.21000.5582.527
0 - 10%10.7130.6581.7320.8440.0.12.41126.28
11 - 50%12.9111.2381.2380.5580.0.1.04116.910
51 - 90%21.292.7262.1290.7500.7501.63328.88
91 - 100%18.3105.4184.2208.9144.2205.81746.86
total63.4510.1139.71311.6125.11821.39121.24
totaln/a11.3126.4165.5174.9195.0195.21838.47
0 - 10%88.6416.91016.899.2137.91568.14207.52
11 - 50%94.9422.3818.996.0162.9246.916152.03
51 - 90%122.3346.0634.3610.7129.41311.412234.02
91 - 100%105.14108.1352.3575.53111.0244.45496.41
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 17.06.2020 #875265/341597
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