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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
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/ thicket10.21423.698.6152.4297.61652.46
poletimber8.31531.4727.186.71729.68103.14
young timber5.71819.51021.6912.31320.61079.65
medium timber9.91428.1833.8718.01014.711104.54
old timber16.01150.1638.4714.91113.612133.03
mixed8.81518.81022.1915.51132.9898.14
total59.06174.13151.9370.25120.44575.61
high altitude areasn/a0.6581.4381.6353.2258.61515.411
young growth/ thicket2.9276.0189.1156.91732.8857.76
poletimber4.3228.71510.6148.91557.7690.34
young timber2.6287.2169.3159.81424.7953.56
medium timber5.02011.41318.31014.51132.6881.95
old timber10.61424.8925.3923.3943.17127.14
mixed5.02021.9931.0833.58109.44200.83
total30.9881.55105.24100.14308.82626.61
totaln/a0.8503.9232.0323.6249.91420.310
young growth/ thicket13.11229.6817.7119.31540.47110.14
poletimber12.51240.2737.7715.71187.34193.43
young timber8.31526.7830.8822.1945.26133.14
medium timber14.91139.5752.1632.5847.36186.33
old timber26.6975.0563.7538.1756.76260.12
mixed13.71240.7753.2649.06142.33298.92
total90.04255.62257.22170.33429.221202.21
© WSL, Swiss National Forest Inventory, 22.06.2020 #799013/265345
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