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NFI4
forest area
urgency of next treatment (interview survey) · lower/higher altitudinal zones · stage of stand development
unit of reference: production 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/a0.21002.5290.4700.4711.4384.920
young growth/ thicket9.81423.098.0162.2307.21750.36
poletimber8.31531.3726.786.71727.88100.74
young timber5.71819.51021.4911.91320.41078.85
medium timber9.91427.9833.5718.01014.611103.94
old timber15.41149.9638.0714.71213.612131.63
mixed8.81518.41021.9914.91231.3895.34
total58.16172.53150.0368.85116.24565.61
high altitude areasn/a0.6581.4381.6353.2258.61515.411
young growth/ thicket2.7285.6198.5156.31823.2946.26
poletimber3.8238.61510.2148.71551.9683.35
young timber2.6287.2168.9159.61424.3952.56
medium timber4.92011.41318.11014.51132.2881.15
old timber10.61424.6925.1923.3941.97125.54
mixed4.82021.31029.6832.58101.04189.23
total29.9880.15102.0498.24283.02593.11
totaln/a0.8503.9232.0323.6249.91420.310
young growth/ thicket12.51228.6816.5118.51530.4896.54
poletimber12.11339.8736.9715.51179.75184.03
young timber8.31526.7830.2821.51044.66131.34
medium timber14.71239.3751.7632.5846.76184.93
old timber26.0974.6563.1537.9755.56257.12
mixed13.51239.7751.5647.46132.34284.52
total88.05252.62252.02166.93399.221158.71
© WSL, Swiss National Forest Inventory, 22.06.2020 #799012/265344
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