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NFI4b

forest area: indicator of groundwater protection zone (2013) · degree of mixture · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
indicator of groundwater protection zone (2013)
no groundwater protection zonegroundwater protection zonetotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.41000.7711.158
pure conifer forest30.31011.51741.88
mixed conifer forest28.91013.61642.58
mixed broadleaf forest21.81210.01831.810
pure broadleaf forest23.9117.92131.710
total105.3443.68148.92
Eastern Juran/a......
pure conifer forest5.126..5.126
mixed conifer forest6.7231.6498.320
mixed broadleaf forest10.318..10.318
pure broadleaf forest22.5100.87023.310
total44.632.44047.03
Western Plateaun/a1.2570.41001.649
pure conifer forest8.7202.14410.718
mixed conifer forest9.4191.25710.718
mixed broadleaf forest6.9230.41007.422
pure broadleaf forest15.5141.25716.813
total41.855.42647.24
Central Plateaun/a0.3100..0.3100
pure conifer forest21.5100.67122.110
mixed conifer forest12.7142.83315.513
mixed broadleaf forest7.7190.9578.718
pure broadleaf forest22.110..22.110
total64.434.32668.72
Eastern Plateaun/a0.4100..0.4100
pure conifer forest18.9131.45020.412
mixed conifer forest27.2102.14129.310
mixed broadleaf forest21.8121.45023.211
pure broadleaf forest34.792.14136.88
total102.927.122110.12
Western Pre-Alpsn/a1.549..1.549
pure conifer forest20.4111.54921.810
mixed conifer forest5.9240.7706.722
mixed broadleaf forest5.2250.41005.624
pure broadleaf forest5.2260.41005.525
total38.153.03441.14
Central Pre-Alpsn/a1.1580.41001.450
pure conifer forest44.572.93547.37
mixed conifer forest23.7110.77124.411
mixed broadleaf forest9.019..9.019
pure broadleaf forest12.2160.410012.516
total90.334.32894.72
Eastern Pre-Alpsn/a1.844..1.844
pure conifer forest22.1112.93525.010
mixed conifer forest17.9131.45019.312
mixed broadleaf forest10.4170.410010.717
pure broadleaf forest11.8160.410012.116
total63.945.02668.93
Northwestern Alpsn/a1.1570.41001.450
pure conifer forest25.7100.77126.49
mixed conifer forest11.1170.77111.816
mixed broadleaf forest6.8220.41007.221
pure broadleaf forest7.920..7.920
total52.552.14054.74
Central Alpsn/a......
pure conifer forest11.4151.44912.713
mixed conifer forest2.7340.7703.430
mixed broadleaf forest2.437..2.437
pure broadleaf forest3.531..3.531
total20.092.14022.18
Northeastern Alpsn/a0.41000.41000.771
pure conifer forest8.918..8.918
mixed conifer forest7.919..7.919
mixed broadleaf forest2.140..2.140
pure broadleaf forest8.2190.7708.918
total27.671.15828.76
Southwestern Alpsn/a2.438..2.438
pure conifer forest57.369.61866.95
mixed conifer forest5.8240.41006.223
mixed broadleaf forest5.5250.31005.824
pure broadleaf forest10.6171.74412.316
total81.7412.01693.73
Southeastern Alpsn/a3.5310.41003.930
pure conifer forest90.643.93094.54
mixed conifer forest6.6230.7717.321
mixed broadleaf forest5.325..5.325
pure broadleaf forest8.120..8.120
total114.134.926119.03
Southern Alpsn/a1.1580.41001.450
pure conifer forest32.696.42339.08
mixed conifer forest7.0220.7717.721
mixed broadleaf forest8.220..8.220
pure broadleaf forest51.3711.71763.06
total100.1419.113119.33
Switzerlandn/a15.0152.93517.914
pure conifer forest398.0244.79442.72
mixed conifer forest173.6427.411201.04
mixed broadleaf forest123.4514.215137.65
pure broadleaf forest237.4327.311264.73
total947.51116.451063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #150918/137299
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