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NFI4b

forest area: time of last treatment (classes of 10 years) · site quality · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
time of last treatment (classes of 10 years)site quality1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
less than 10 years agolow10.1184.62816.7142.1413.5310.410037.310
moderate15.9150.410038.1919.21220.2124.62798.36
good41.4851.7859.77..4.62711.117168.44
very good34.29140.0412.816......187.03
total101.64196.62127.2421.21228.31016.114491.02
11-20 years agolow6.1241.45011.7170.31004.228..23.812
moderate7.6220.410021.41313.71514.1154.62761.87
good21.61210.31840.59..3.5316.82382.76
very good12.21724.8117.821......44.89
total47.6836.8981.4614.01521.91211.417213.14
21-30 years agolow1.845..10.1192.1416.3231.45021.613
moderate3.631..16.3147.22111.7177.42246.39
good7.6213.93015.815..2.4385.72535.410
very good5.4268.8202.835....0.410017.514
total18.41312.71645.099.31920.41214.915120.75
31-40 years agolow2.538..4.7282.4373.1331.45014.216
moderate3.6310.41009.6194.5278.8196.62333.510
good3.6312.83511.317..1.1585.02623.812
very good2.2411.8452.835......6.823
total11.9175.02728.5116.92213.01613.01678.37
41-50 years agolow1.845..5.4262.8352.141..12.117
moderate0.4100..9.3196.6234.2285.62526.011
good2.9350.7717.522..0.7714.62716.415
very good1.8452.1411.845......5.725
total6.9232.83523.9129.3197.02210.21860.27
over 50 years agolow5.0260.410020.4138.61916.51410.01960.87
moderate0.771..20.11332.2913.01644.78110.75
good2.5382.14112.117..2.83537.1956.67
very good1.4502.1411.450....0.7715.725
total9.7194.62853.9840.7832.3992.55233.83
totallow27.4116.42369.0718.21335.8913.216169.94
moderate31.7101.158114.8583.3472.1573.66376.62
good79.6571.56146.84..15.21570.26383.32
very good57.37179.7329.411....1.158267.53
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #144297/130670
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