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NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno treatment..............
tending0.41000.4100........0.771
thinning0.7710.7710.771......2.141
establishment cut1.158..0.41000.31001.158..2.835
removal cut0.4100....0.31000.7710.7712.141
plentering0.4100..........0.4100
thinning of mountain forest1.158..0.41001.450..0.7713.532
coppice cut..............
conversion....0.4100......0.4100
transformation..............
sanitary felling0.4100..0.4100......0.771
plentering in broadleaf forest....0.4100......0.4100
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total4.3291.1582.5382.1411.8441.45013.116
2-5 yearsno treatment..............
tending..0.41002.1410.31000.7710.7714.229
thinning1.845..1.450....1.1584.329
establishment cut0.7710.7711.1580.31000.7710.7714.329
removal cut0.771..0.771....0.41001.845
plentering1.450..0.41000.3100....2.141
thinning of mountain forest0.4100..1.8451.7441.4501.1586.323
coppice cut..............
conversion..............
transformation..............
sanitary felling0.4100..........0.4100
plentering in broadleaf forest..0.41000.4100......0.771
tending of forest edge........0.4100..0.4100
planting..............
agrosilvicultural treatments..............
total5.4251.4507.8212.7353.2333.93024.412
6-10 yearsno treatment..............
tending0.4100..1.158..0.41000.41002.141
thinning1.8451.4502.5380.7710.7710.41007.422
establishment cut0.771..1.8450.7710.7710.41004.229
removal cut0.4100..........0.4100
plentering0.7710.4100........1.158
thinning of mountain forest....2.8353.1330.7711.1587.721
coppice cut..........1.1581.158
conversion..............
transformation..............
sanitary felling......0.3100....0.3100
plentering in broadleaf forest0.41000.4100........0.771
tending of forest edge....0.4100......0.4100
planting..............
agrosilvicultural treatments0.4100..0.4100......0.771
total4.7272.1418.9204.8262.5373.23326.111
11-20 yearsno treatment..............
tending..0.41000.4100..0.771..1.450
thinning1.4500.41001.8451.450....4.927
establishment cut1.450..1.1580.7710.7710.7714.628
removal cut....0.771....0.41001.158
plentering0.4100......0.4100..0.771
thinning of mountain forest0.771..5.0272.1410.41003.23311.318
coppice cut..........1.1581.158
conversion..............
transformation..............
sanitary felling....0.4100......0.4100
plentering in broadleaf forest....0.4100......0.4100
tending of forest edge..............
planting..............
agrosilvicultural treatments....0.4100......0.4100
total4.0300.7719.9194.1282.1415.32526.211
> 20 yearsno treatment1.8451.4505.7259.9185.32512.11736.210
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total1.8451.4505.7259.9185.32512.11736.210
totalno treatment1.8451.4505.7259.9185.32512.11736.210
tending0.7711.1583.5310.31001.8441.1588.520
thinning5.8252.5386.4232.1410.7711.45018.814
establishment cut4.0300.7714.3292.1413.2331.84515.915
removal cut1.450..1.4500.31000.7711.4505.326
plentering2.9350.41000.41000.31000.4100..4.329
thinning of mountain forest2.241..9.9198.2202.5376.12428.811
coppice cut..........2.1412.141
conversion....0.4100......0.4100
transformation..............
sanitary felling0.771..0.7710.3100....1.845
plentering in broadleaf forest0.41000.7711.158......2.141
tending of forest edge....0.4100..0.4100..0.771
planting..............
agrosilvicultural treatments0.4100..0.771......1.158
total20.2136.72334.81023.61114.81526.011126.15

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168580/154963
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