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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 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)basal area of conifers (classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
no groundwater protection zonen/a13.4124.7204.6203.3252.7272.72631.48
0 - 10%89.5421.8915.81111.3127.51662.84208.63
11 - 50%86.5422.6921.195.2194.7207.716148.03
51 - 90%102.6446.3632.8713.4128.8149.814213.73
91 - 100%66.2596.2444.8667.74113.9344.16432.82
total358.11191.52119.12101.02137.62127.121034.51
groundwater protection zonen/a1.7351.0450.21000.21000.0.0.6573.723
0 - 10%9.9140.9501.2411.4370.210012.91226.48
11 - 50%14.8111.4381.4380.6580.21001.53519.910
51 - 90%23.991.9332.2301.4380.6581.63531.48
91 - 100%14.3114.8203.6239.3144.2226.31742.57
total64.659.9148.51512.8125.21922.99123.94
totaln/a15.1115.7184.8203.5242.7273.32435.17
0 - 10%99.4422.6916.91012.7117.71675.74235.12
11 - 50%101.4424.0922.595.8184.9209.314167.93
51 - 90%126.4348.2635.0714.7119.41411.313245.12
91 - 100%80.54100.9348.3577.13118.1250.45475.22
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 17.06.2020 #885392/351724
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