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NFI4
forest area
urgency of next treatment (interview survey) · lower/higher altitudinal zones · stage of stand development
unit of reference: canton
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
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
lower/higher altitudinal zonesstage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
lowlandsn/a0.21002.5310.4710.4711.0454.622
young growth/ thicket9.61422.197.6162.1325.41946.76
poletimber8.01629.7825.986.81723.3993.74
young timber5.41920.51021.31012.21319.81079.15
medium timber9.81427.7833.2817.01114.412102.14
old timber15.31148.8637.3714.71213.712129.83
mixed8.41517.41120.51014.51228.7889.54
total56.76168.73146.3367.65106.44545.61
high altitude areasn/a0.6581.3381.6353.2258.21614.912
young growth/ thicket2.7285.5197.2175.32011.81332.68
poletimber2.5287.0178.7156.41731.1855.76
young timber2.6287.2178.0159.51421.7949.16
medium timber4.72011.61317.51114.81129.7878.25
old timber10.51423.7924.5921.2939.57119.34
mixed4.22119.41027.4830.4881.25162.63
total27.9875.7594.9490.74223.13512.31
totaln/a0.8503.9242.0323.6249.21519.510
young growth/ thicket12.31327.6814.8127.31717.21179.35
poletimber10.51436.7734.6713.11254.46149.43
young timber8.01627.7829.3821.71041.57128.24
medium timber14.51239.3750.7631.8844.16180.33
old timber25.8972.4561.8535.9753.26249.12
mixed12.71236.7747.9644.96109.94252.12
total84.55244.32241.23158.33329.521057.81
© WSL, Swiss National Forest Inventory, 22.06.2020 #798986/265318
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