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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
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..............
tending5.4258.8202.538..0.4100..17.114
thinning3.63113.1163.632....0.410020.613
establishment cut4.3293.5316.0240.31002.141..16.415
removal cut1.8452.1410.7710.7710.41001.1586.723
plentering6.1241.4501.450......9.020
thinning of mountain forest1.158..3.9301.450..2.1418.520
coppice cut..0.4100........0.4100
conversion....0.4100......0.4100
transformation..............
sanitary felling1.8452.1410.771......4.628
plentering in broadleaf forest1.1583.2330.771......5.027
tending of forest edge0.41000.771......0.41001.450
planting..............
agrosilvicultural treatments1.450..........1.450
total27.01135.4919.9132.4372.8353.93091.46
2-5 yearsno treatment..............
tending5.42520.5139.6191.0581.4501.15839.19
thinning20.91239.6912.8160.771..2.14176.16
establishment cut7.22217.31411.7171.4503.2332.14142.99
removal cut4.0305.7252.835....0.77113.216
plentering8.6202.1415.0270.3100....16.115
thinning of mountain forest1.158..13.1163.4313.5313.23324.412
coppice cut..........0.7710.771
conversion..1.4500.4100......1.845
transformation..............
sanitary felling1.1581.4500.41000.3100....3.233
plentering in broadleaf forest5.42515.6153.233......24.112
tending of forest edge0.41001.8451.158..1.158..4.329
planting0.4100..........0.4100
agrosilvicultural treatments3.233..1.1580.31000.4100..5.027
total57.67105.4561.177.5219.51910.018251.13
6-10 yearsno treatment..............
tending2.5386.42310.3181.0581.1580.77122.013
thinning17.61431.11018.8130.7712.8352.53873.67
establishment cut8.72015.21512.4171.4503.5311.84543.09
removal cut3.6315.3262.538....1.15812.517
plentering7.9213.9307.422..0.41000.410020.013
thinning of mountain forest0.771..21.3136.5224.6273.63136.710
coppice cut0.41000.771......2.1413.233
conversion..0.7710.4100....0.41001.450
transformation..0.771........0.771
sanitary felling0.41000.4100..0.771..0.41001.845
plentering in broadleaf forest5.42514.5151.845......21.713
tending of forest edge..0.7711.845......2.538
planting..............
agrosilvicultural treatments5.825..2.538....0.41008.620
total53.0779.6679.1610.31812.41613.216247.53
11-20 yearsno treatment..............
tending1.8451.8453.5311.4502.5370.410011.318
thinning7.6227.42211.4171.7440.7712.83531.610
establishment cut7.2226.02411.0183.1334.2282.53834.010
removal cut1.4501.8453.9300.31000.41000.7718.520
plentering2.2410.7714.329..1.844..8.920
thinning of mountain forest1.450..28.41112.3163.9308.52054.68
coppice cut0.41000.4100......2.1412.935
conversion..0.771......0.7711.450
transformation..0.41000.4100......0.771
sanitary felling..0.41001.158......1.450
plentering in broadleaf forest1.4502.1412.141......5.725
tending of forest edge0.41001.1580.771......2.141
planting..............
agrosilvicultural treatments2.935..0.7710.31000.7710.41005.027
total26.71122.61267.4719.21214.11518.213168.24
> 20 yearsno treatment24.91111.01887.2645.2757.8677.25303.23
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..............
total24.91111.01887.2645.2757.8677.25303.23
totalno treatment24.91111.01887.2645.2757.8677.25303.23
tending15.11537.5926.0113.4315.3252.14189.46
thinning49.7791.2546.583.1333.5317.821201.94
establishment cut27.41142.1841.196.22313.1166.423136.25
removal cut10.81814.9159.9191.0580.7713.63140.99
plentering24.9118.12118.1140.31002.1410.410053.98
thinning of mountain forest4.329..66.7723.61112.01617.414124.15
coppice cut0.7711.450......5.0267.122
conversion..2.8351.158....1.1585.027
transformation..1.1580.4100......1.450
sanitary felling3.2334.2292.1411.058..0.410011.018
plentering in broadleaf forest13.31635.497.821......56.58
tending of forest edge1.1584.2293.632..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.316..4.3290.7711.1580.77120.113
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #143909/130282
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