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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 NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = 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..............
tending0.41000.7711.450......2.538
thinning0.7712.5381.845....0.41005.326
establishment cut1.4500.41003.5310.31002.141..7.821
removal cut0.4100..0.41000.31000.41000.7712.141
plentering0.7710.7711.158......2.538
thinning of mountain forest1.158..2.5381.450..2.1417.122
coppice cut..............
conversion....0.4100......0.4100
transformation..............
sanitary felling0.4100..0.771......1.158
plentering in broadleaf forest....0.4100......0.4100
tending of forest edge..0.4100......0.41000.771
planting..............
agrosilvicultural treatments0.4100..........0.4100
total5.4254.62812.1172.1412.5373.63130.111
2-5 yearsno treatment..............
tending0.41001.1586.0240.7711.1581.15810.318
thinning3.2331.4505.7250.771..2.14113.116
establishment cut2.2412.8356.4231.4502.5371.84517.014
removal cut1.158..1.845....0.7713.632
plentering1.4500.7712.8350.3100....5.326
thinning of mountain forest0.771..8.5203.1332.1413.23317.614
coppice cut..........0.41000.4100
conversion....0.4100......0.4100
transformation..............
sanitary felling0.771....0.3100....1.158
plentering in broadleaf forest0.41001.4502.141......3.930
tending of forest edge..0.41000.771..0.771..1.845
planting..............
agrosilvicultural treatments..............
total10.1187.82134.4106.5226.4239.31974.47
6-10 yearsno treatment..............
tending0.41000.41005.7250.7711.1580.7718.820
thinning3.6312.53810.3180.7711.8442.14121.013
establishment cut1.4502.5385.3261.4501.8441.45013.816
removal cut0.41000.7711.845....1.1583.930
plentering1.1581.8455.326..0.41000.41008.920
thinning of mountain forest0.771..16.3145.5242.5373.23328.211
coppice cut0.41000.4100......1.8452.538
conversion..........0.41000.4100
transformation..............
sanitary felling......0.3100..0.41000.771
plentering in broadleaf forest0.7712.5381.450......4.628
tending of forest edge....0.771......0.771
planting..............
agrosilvicultural treatments0.771..1.450....0.41002.538
total9.41910.61848.288.6197.42111.81795.96
11-20 yearsno treatment..............
tending0.41000.41002.5381.0581.844..6.024
thinning1.8451.1586.4231.7440.7712.53814.216
establishment cut2.9350.41007.1222.7352.1412.14117.314
removal cut0.41000.41002.1410.3100..0.7713.930
plentering0.4100..2.835..0.771..3.930
thinning of mountain forest1.450..20.61310.6172.8357.82143.39
coppice cut..........2.1412.141
conversion..........0.7710.771
transformation..0.41000.4100......0.771
sanitary felling....1.158......1.158
plentering in broadleaf forest..0.41001.450......1.845
tending of forest edge....0.4100......0.4100
planting..............
agrosilvicultural treatments0.4100..0.41000.31000.41000.41001.845
total7.6212.83545.0816.8138.52016.41497.16
> 20 yearsno treatment5.8252.14148.7831.8929.31062.36180.04
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..............
total5.8252.14148.7831.8929.31062.36180.04
totalno treatment5.8252.14148.7831.8929.31062.36180.04
tending1.4502.53815.6152.4373.9301.84527.611
thinning9.4197.42224.1123.1332.5377.12253.68
establishment cut7.9216.02422.3125.8248.5205.32555.98
removal cut2.2411.1586.0240.7710.41003.23313.516
plentering3.6313.23312.1170.31001.1580.410020.613
thinning of mountain forest4.030..47.9820.5127.42116.41496.26
coppice cut0.41000.4100......4.3295.026
conversion....0.771....1.1581.845
transformation..0.41000.4100......0.771
sanitary felling1.158..1.8450.771..0.41003.930
plentering in broadleaf forest1.1584.2295.326......10.618
tending of forest edge..0.7711.845..0.7710.41003.632
planting..............
agrosilvicultural treatments1.450..1.8450.31000.41000.7714.628
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171086/157469
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