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NFI4
forest area
urgency of next treatment (interview survey) · lower/higher altitudinal zones · stage of stand development
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest 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/a0.21002.4280.4710.4711.3384.820
young growth/ thicket9.91423.098.0162.2307.21750.36
poletimber8.31531.5726.486.71727.88100.74
young timber5.71920.01021.4911.91320.41079.45
medium timber9.81427.9833.3717.81014.512103.34
old timber15.31150.0638.2714.71213.612131.83
mixed8.61518.41022.1914.71231.4895.24
total57.86173.13149.9368.55116.44565.71
high altitude areasn/a0.7581.4381.5353.2258.61515.511
young growth/ thicket2.7285.8198.5156.21823.2946.46
poletimber3.9238.51510.2148.51552.0683.25
young timber2.6287.0168.8159.51424.3952.36
medium timber4.82011.41318.11014.51131.9880.85
old timber10.71424.9925.0923.6942.37126.44
mixed4.72021.41029.6832.48100.34188.43
total30.0880.55101.7498.04282.72592.91
totaln/a0.9503.8232.0323.72410.01420.310
young growth/ thicket12.61228.7816.6118.41530.5896.74
poletimber12.21340.0736.6715.21179.95183.93
young timber8.21527.0830.2821.51044.86131.74
medium timber14.71239.3751.3632.4846.46184.13
old timber26.0974.8563.2538.3755.96258.22
mixed13.31239.8751.7647.16131.74283.62
total87.85253.62251.62166.53399.121158.51
© WSL, Swiss National Forest Inventory, 22.06.2020 #799002/265334
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