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NFI4
forest area
indicator of groundwater protection zone (2013) · degree of mixture
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
indicator of groundwater protection zone (2013)
no groundwater protection zonegroundwater protection zonetotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.21000.4700.658
pure conifer forest26.2811.51337.76
mixed conifer forest30.5714.11144.66
mixed broadleaf forest21.799.91431.67
pure broadleaf forest23.287.11630.37
total101.8343.06144.81
Eastern Juran/a0.0.0.0.0.0.
pure conifer forest4.3220.0.4.322
mixed conifer forest5.7181.2446.916
mixed broadleaf forest11.3120.47111.712
pure broadleaf forest21.871.04522.97
total43.132.62845.72
Western Plateaun/a1.2390.21001.435
pure conifer forest7.6151.9339.513
mixed conifer forest8.8141.1449.913
mixed broadleaf forest7.7150.5708.115
pure broadleaf forest17.091.04518.19
total42.334.72047.02
Central Plateaun/a0.6570.0.0.657
pure conifer forest17.790.85018.59
mixed conifer forest15.2101.93117.19
mixed broadleaf forest10.6131.43812.012
pure broadleaf forest20.380.47020.78
total64.424.52069.01
Eastern Plateaun/a0.9500.21001.045
pure conifer forest17.5101.43818.99
mixed conifer forest27.172.13029.27
mixed broadleaf forest20.891.33822.18
pure broadleaf forest32.661.83334.46
total98.826.817105.61
Western Pre-Alpsn/a1.6380.5712.133
pure conifer forest18.281.73319.98
mixed conifer forest7.6150.4718.015
mixed broadleaf forest4.9200.5585.419
pure broadleaf forest4.2220.7584.820
total36.543.72240.33
Central Pre-Alpsn/a2.3280.21002.527
pure conifer forest44.751.83346.55
mixed conifer forest22.980.75823.68
mixed broadleaf forest11.1130.210011.313
pure broadleaf forest10.9130.47011.213
total91.823.32595.12
Eastern Pre-Alpsn/a1.6350.0.1.635
pure conifer forest22.481.83324.18
mixed conifer forest18.891.04519.89
mixed broadleaf forest11.2120.55811.712
pure broadleaf forest9.8140.85010.613
total63.734.12167.73
Northwestern Alpsn/a1.2400.21001.437
pure conifer forest24.471.04525.57
mixed conifer forest10.1130.75710.813
mixed broadleaf forest6.1170.4716.517
pure broadleaf forest6.7160.21007.016
total48.642.52851.13
Central Alpsn/a0.0.0.0.0.0.
pure conifer forest9.9111.33711.210
mixed conifer forest3.9200.4714.320
mixed broadleaf forest2.6260.0.2.626
pure broadleaf forest2.9250.0.2.925
total19.261.83320.95
Northeastern Alpsn/a0.4710.21000.658
pure conifer forest9.5130.65910.212
mixed conifer forest6.7150.4737.115
mixed broadleaf forest1.7330.31001.932
pure broadleaf forest6.1160.8516.915
total24.462.33026.65
Southwestern Alpsn/a2.9260.0.2.926
pure conifer forest61.348.81470.23
mixed conifer forest8.1150.6588.715
mixed broadleaf forest5.3190.4715.718
pure broadleaf forest10.5131.24011.612
total88.0311.01399.02
Southeastern Alpsn/a3.1260.21003.325
pure conifer forest95.833.82399.63
mixed conifer forest5.9180.4716.317
mixed broadleaf forest5.5190.21005.718
pure broadleaf forest6.5170.0.6.517
total116.724.621121.32
Southern Alpsn/a1.2410.21001.438
pure conifer forest32.275.91838.16
mixed conifer forest8.6151.0459.614
mixed broadleaf forest7.8160.6588.315
pure broadleaf forest53.5512.21265.74
total103.3319.89123.12
Switzerlandn/a17.1112.33019.410
pure conifer forest391.8242.47434.22
mixed conifer forest180.0325.89205.83
mixed broadleaf forest128.0416.611144.63
pure broadleaf forest225.9327.58253.52
total942.81114.641057.41
© WSL, Swiss National Forest Inventory, 17.06.2020 #874991/341323
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