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NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %±
0-1 yearno treatment............
tending..3.92.71.30.60.20.2..0.50.2
thinning2.91.79.84.21.30.60.30.20.30.31.10.3
establishment cut3.91.92.01.92.00.81.80.5..1.60.3
removal cut1.01.0....0.50.30.70.50.40.2
plentering1.91.4..1.60.7....0.50.2
thinning of mountain forest1.91.42.01.91.30.61.20.42.10.81.50.3
coppice cut............
conversion......0.20.2..0.10.1
transformation............
sanitary felling1.01.0..0.30.30.20.2..0.20.1
plentering in broadleaf forest......0.20.2..0.10.1
tending of forest edge..2.01.9....0.30.30.10.1
planting............
agrosilvicultural treatments1.01.0........0.10.1
total13.63.419.65.67.81.54.50.83.51.16.30.7
2-5 yearsno treatment............
tending1.01.05.93.32.91.02.20.61.00.62.10.4
thinning7.82.69.84.23.61.11.20.42.10.82.80.4
establishment cut4.92.113.74.84.61.22.80.71.70.83.60.5
removal cut2.91.7..1.00.60.30.20.70.50.80.2
plentering3.91.9..3.31.00.20.2..1.10.3
thinning of mountain forest1.91.4..3.61.14.60.93.11.03.70.5
coppice cut........0.30.30.10.1
conversion....0.30.3....0.10.1
transformation............
sanitary felling1.91.4....0.20.2..0.20.1
plentering in broadleaf forest1.01.02.01.92.00.80.50.3..0.80.2
tending of forest edge....1.00.60.30.2..0.40.2
planting............
agrosilvicultural treatments............
total25.24.331.46.522.22.412.21.39.11.715.61.0
6-10 yearsno treatment............
tending1.01.02.01.93.31.01.80.50.70.51.90.4
thinning9.72.99.84.26.51.43.00.72.10.84.40.6
establishment cut3.91.95.93.32.30.93.50.71.40.72.90.5
removal cut1.01.02.02.00.70.50.70.31.00.60.80.2
plentering2.91.72.01.96.21.40.20.20.30.31.90.4
thinning of mountain forest1.91.4..8.51.67.11.03.11.05.90.6
coppice cut1.91.4......1.70.80.50.2
conversion........0.30.30.10.1
transformation............
sanitary felling......0.20.20.30.30.10.1
plentering in broadleaf forest1.01.09.84.22.30.9....1.00.3
tending of forest edge....0.70.5....0.20.1
planting............
agrosilvicultural treatments1.91.4..1.00.60.20.20.30.30.50.2
total25.24.331.46.531.32.616.61.511.51.920.21.1
11-20 yearsno treatment............
tending1.01.03.92.71.00.61.80.5..1.20.3
thinning5.82.32.01.92.91.02.80.72.40.93.00.5
establishment cut6.82.53.92.73.61.13.80.82.10.83.60.5
removal cut1.01.02.01.91.00.60.70.30.70.50.80.2
plentering..2.01.92.30.90.50.3..0.80.2
thinning of mountain forest3.91.9..8.11.611.91.37.71.69.10.8
coppice cut........2.10.80.40.2
conversion........0.70.50.10.1
transformation....0.70.5....0.20.1
sanitary felling....0.70.50.20.2..0.20.1
plentering in broadleaf forest..2.01.91.00.60.20.2..0.40.2
tending of forest edge......0.20.2..0.10.1
planting............
agrosilvicultural treatments1.01.0....0.50.30.30.30.40.2
total19.43.915.75.121.22.322.51.716.12.220.31.1
> 20 yearsno treatment16.53.72.01.917.62.244.22.059.82.937.61.3
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............
total16.53.72.01.917.62.244.22.059.82.937.61.3
totalno treatment16.53.72.01.917.62.244.22.059.82.937.61.3
tending2.91.715.75.18.51.66.01.01.70.85.80.6
thinning26.24.331.46.514.32.07.31.17.01.511.30.9
establishment cut19.43.925.56.112.41.911.91.35.21.311.70.9
removal cut5.82.34.02.82.60.92.20.63.11.02.80.5
plentering8.72.83.92.713.41.90.80.40.30.34.40.6
thinning of mountain forest9.72.92.01.921.52.324.81.816.12.220.11.1
coppice cut1.91.4......4.21.21.00.3
conversion....0.30.30.20.21.00.60.40.2
transformation....0.70.5....0.20.1
sanitary felling2.91.7..1.00.60.70.30.30.30.80.2
plentering in broadleaf forest1.91.413.74.85.21.30.80.4..2.20.4
tending of forest edge..2.01.91.60.70.50.30.30.30.70.2
planting............
agrosilvicultural treatments3.91.9..1.00.60.70.30.70.51.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171089/157472

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · production 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
production region
JuraPlateauPre-AlpsAlpsSouthern 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± %
0-1 yearno treatment............
tending..0.7711.4500.3100..2.538
thinning1.1581.8451.4500.7710.41005.326
establishment cut1.5500.41002.2413.830..7.821
removal cut0.4100....1.0580.7712.141
plentering0.771..1.845....2.538
thinning of mountain forest0.7710.41001.4502.4382.1417.122
coppice cut............
conversion......0.3100..0.3100
transformation............
sanitary felling0.4100..0.41000.3100..1.158
plentering in broadleaf forest......0.3100..0.3100
tending of forest edge..0.4100....0.41000.771
planting............
agrosilvicultural treatments0.4100........0.4100
total5.1263.5318.7209.3193.53130.111
2-5 yearsno treatment............
tending0.41001.1583.2334.5281.15810.218
thinning2.9351.8454.0302.4382.14113.216
establishment cut1.8452.5385.0265.9241.84517.014
removal cut1.158..1.1580.7710.7713.632
plentering1.550..3.6310.3100..5.426
thinning of mountain forest0.771..4.0309.7193.23317.614
coppice cut........0.41000.4100
conversion....0.4100....0.4100
transformation............
sanitary felling0.771....0.3100..1.158
plentering in broadleaf forest0.41000.41002.2411.058..3.930
tending of forest edge....1.1580.771..1.845
planting............
agrosilvicultural treatments............
total9.5195.62524.51225.6119.21974.47
6-10 yearsno treatment............
tending0.41000.41003.6313.8300.7718.820
thinning3.7311.8457.2226.2232.14121.013
establishment cut1.5501.1582.5387.3221.45013.716
removal cut0.41000.41000.7711.4501.1583.930
plentering1.1580.41006.8230.31000.41009.020
thinning of mountain forest0.771..9.41914.9153.23328.111
coppice cut0.771......1.8452.538
conversion........0.41000.4100
transformation............
sanitary felling......0.31000.41000.771
plentering in broadleaf forest0.41001.8452.538....4.628
tending of forest edge....0.771....0.771
planting............
agrosilvicultural treatments0.771..1.1580.31000.41002.538
total9.5195.62534.6934.61011.71796.06
11-20 yearsno treatment............
tending0.41000.7711.1583.830..5.924
thinning2.2410.41003.2335.9242.53814.216
establishment cut2.6380.7714.0307.9212.14117.314
removal cut0.41000.41001.1581.4500.7713.930
plentering..0.41002.5381.058..3.930
thinning of mountain forest1.550..9.02024.9117.82143.19
coppice cut........2.1412.141
conversion........0.7710.771
transformation....0.771....0.771
sanitary felling....0.7710.4100..1.158
plentering in broadleaf forest..0.41001.1580.3100..1.845
tending of forest edge......0.3100..0.3100
planting............
agrosilvicultural treatments0.4100....1.0580.41001.845
total7.3222.83523.41247.0816.31496.96
> 20 yearsno treatment6.2240.410019.51392.4560.56178.94
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............
total6.2240.410019.51392.4560.56178.94
totalno treatment6.2240.410019.51392.4560.56178.94
tending1.1582.8359.41912.4161.84527.511
thinning9.9195.62515.91515.2157.12253.78
establishment cut7.3224.62713.71624.9115.32555.88
removal cut2.2410.7712.9354.5283.23313.516
plentering3.3330.77114.8151.7450.410020.913
thinning of mountain forest3.6310.410023.81251.8816.31495.96
coppice cut0.771......4.3295.026
conversion....0.41000.31001.1581.845
transformation....0.771....0.771
sanitary felling1.158..1.1581.4500.41003.930
plentering in broadleaf forest0.7712.5385.8251.745..10.718
tending of forest edge..0.41001.8451.0580.41003.532
planting............
agrosilvicultural treatments1.550..1.1581.4500.7714.628
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171090/157473

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending1.30.91.30.70.50.5......0.50.2
thinning5.21.80.30.32.41.1....0.30.31.10.3
establishment cut3.21.41.70.71.91.00.90.73.11.2..1.60.3
removal cut0.60.6..0.50.50.50.50.50.50.70.50.40.2
plentering1.30.91.30.70.50.5......0.50.2
thinning of mountain forest1.91.11.70.71.00.71.90.9..2.10.81.50.3
coppice cut..............
conversion..0.30.3........0.10.1
transformation..............
sanitary felling0.60.60.70.5........0.20.1
plentering in broadleaf forest....0.50.5......0.10.1
tending of forest edge0.60.6........0.30.30.10.1
planting..............
agrosilvicultural treatments0.60.6..........0.10.1
total15.62.97.31.57.31.83.31.23.61.33.51.16.30.7
2-5 yearsno treatment..............
tending2.61.33.31.03.41.30.90.71.50.91.00.62.20.4
thinning8.42.23.01.03.41.30.90.7..2.10.82.80.4
establishment cut7.82.22.30.93.91.32.41.05.71.71.70.83.60.5
removal cut1.91.11.00.61.00.7....0.70.50.70.2
plentering2.61.32.70.91.00.70.50.5....1.10.3
thinning of mountain forest1.30.94.71.24.91.54.21.43.11.23.11.03.70.5
coppice cut..........0.30.30.10.1
conversion..0.30.3........0.10.1
transformation..............
sanitary felling1.30.9....0.50.5....0.20.1
plentering in broadleaf forest1.30.90.30.33.91.3......0.80.2
tending of forest edge..0.70.50.50.5..1.00.7..0.40.2
planting..............
agrosilvicultural treatments..............
total27.33.618.32.221.92.99.42.011.32.39.11.715.61.0
6-10 yearsno treatment..............
tending1.30.94.31.21.50.80.90.71.50.90.70.51.90.4
thinning9.72.45.01.36.31.70.90.74.11.42.10.84.40.6
establishment cut4.51.71.70.73.41.35.21.52.61.11.40.72.90.5
removal cut1.30.91.30.70.50.5..0.50.51.00.60.80.2
plentering2.61.35.31.31.50.8..0.50.50.30.31.90.4
thinning of mountain forest1.30.910.01.77.81.97.51.83.61.33.11.05.90.6
coppice cut1.30.9........1.70.80.50.2
conversion..........0.30.30.10.1
transformation..............
sanitary felling......0.50.5..0.30.30.10.1
plentering in broadleaf forest3.91.60.70.52.41.1......1.00.3
tending of forest edge....1.00.7......0.10.1
planting..............
agrosilvicultural treatments1.30.90.70.50.50.50.50.5..0.30.30.50.2
total27.33.629.02.624.83.015.62.512.92.411.51.920.11.1
11-20 yearsno treatment..............
tending1.91.11.30.70.50.51.40.83.11.2..1.30.3
thinning4.51.73.01.02.91.23.31.22.11.02.40.93.00.5
establishment cut5.81.93.01.02.91.24.71.54.61.52.10.83.60.5
removal cut1.30.91.00.61.50.80.50.5..0.70.50.80.2
plentering0.60.61.70.71.50.8..1.00.7..0.80.2
thinning of mountain forest2.61.312.71.98.31.914.62.45.71.77.71.69.10.8
coppice cut..........2.10.80.40.2
conversion..........0.70.50.10.1
transformation..0.30.30.50.5......0.10.1
sanitary felling..0.30.31.00.7......0.20.1
plentering in broadleaf forest0.60.60.30.31.50.8......0.40.2
tending of forest edge....0.50.5......0.10.1
planting..............
agrosilvicultural treatments0.60.60.30.3..0.50.50.50.50.30.30.40.2
total18.23.124.02.520.92.825.03.017.02.716.12.220.31.1
> 20 yearsno treatment11.72.621.32.425.03.046.73.455.23.659.82.937.71.3
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..............
total11.72.621.32.425.03.046.73.455.23.659.82.937.71.3
totalno treatment11.72.621.32.425.03.046.73.455.23.659.82.937.71.3
tending7.12.110.31.85.81.63.31.26.21.71.70.85.80.6
thinning27.93.611.31.815.12.55.21.56.21.77.01.511.20.9
establishment cut21.43.38.71.612.22.313.22.316.02.65.21.311.70.9
removal cut5.21.83.31.03.41.30.90.71.00.73.11.02.80.5
plentering7.12.111.01.84.41.40.50.51.50.90.30.34.30.6
thinning of mountain forest7.12.129.02.621.92.928.33.112.42.416.12.220.21.1
coppice cut1.30.9........4.21.21.00.3
conversion..0.70.5......1.00.60.40.2
transformation..0.30.30.50.5......0.10.1
sanitary felling1.91.11.00.61.00.70.90.7..0.30.30.80.2
plentering in broadleaf forest5.81.91.30.78.31.9......2.20.4
tending of forest edge0.60.60.70.52.01.0..1.00.70.30.30.70.2
planting..............
agrosilvicultural treatments2.61.31.00.60.50.50.90.70.50.50.70.51.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171091/157474

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · protection forest 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
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern 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..............
tending0.7711.4500.3100......2.538
thinning2.9350.41001.744....0.41005.326
establishment cut1.8451.8451.4500.7712.141..7.821
removal cut0.4100..0.31000.31000.41000.7712.141
plentering0.7711.4500.3100......2.538
thinning of mountain forest1.1581.8450.7711.450..2.1417.122
coppice cut..............
conversion..0.4100........0.4100
transformation..............
sanitary felling0.41000.771........1.158
plentering in broadleaf forest....0.3100......0.3100
tending of forest edge0.4100........0.41000.771
planting..............
agrosilvicultural treatments0.4100..........0.4100
total8.6207.9215.2252.4372.5383.53130.111
2-5 yearsno treatment..............
tending1.4503.6312.4380.7711.1581.15810.318
thinning4.6283.2332.4380.771..2.14113.116
establishment cut4.3292.5382.8351.7443.9301.84516.914
removal cut1.1581.1580.771....0.7713.632
plentering1.4502.9350.7710.3100....5.326
thinning of mountain forest0.7715.0263.4313.1332.1413.23317.614
coppice cut..........0.41000.4100
conversion..0.4100........0.4100
transformation..............
sanitary felling0.771....0.3100....1.158
plentering in broadleaf forest0.7710.41002.835......3.830
tending of forest edge..0.7710.4100..0.771..1.845
planting..............
agrosilvicultural treatments..............
total15.01519.81315.5146.9227.7219.21974.27
6-10 yearsno treatment..............
tending0.7714.7271.0580.7711.1580.7718.920
thinning5.4265.4264.5270.7712.8352.14120.913
establishment cut2.5381.8452.4383.8301.8451.45013.716
removal cut0.7711.4500.3100..0.41001.1583.930
plentering1.4505.8251.058..0.41000.41008.920
thinning of mountain forest0.77110.8185.5255.5252.5383.23328.211
coppice cut0.771........1.8452.538
conversion..........0.41000.4100
transformation..............
sanitary felling......0.3100..0.41000.771
plentering in broadleaf forest2.1410.7711.744......4.628
tending of forest edge....0.771......0.771
planting..............
agrosilvicultural treatments0.7710.7710.41000.3100..0.41002.538
total15.01531.41017.61311.3178.81911.71795.86
11-20 yearsno treatment..............
tending1.1581.4500.31001.0582.141..6.024
thinning2.5383.2332.1412.4371.4502.53814.116
establishment cut3.2333.2332.1413.4313.2332.14117.214
removal cut0.7711.1581.0580.3100..0.7713.930
plentering0.41001.8451.058..0.771..3.930
thinning of mountain forest1.45013.7165.92410.6173.9307.82143.39
coppice cut..........2.1412.141
conversion..........0.7710.771
transformation..0.41000.3100......0.771
sanitary felling..0.41000.771......1.158
plentering in broadleaf forest0.41000.41001.058......1.845
tending of forest edge....0.3100......0.3100
planting..............
agrosilvicultural treatments0.41000.4100..0.31000.41000.41001.845
total10.01926.01114.81418.21311.61716.31496.96
> 20 yearsno treatment6.42323.11217.81334.0937.6860.56179.44
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..............
total6.42323.11217.81334.0937.6860.56179.44
totalno treatment6.42323.11217.81334.0937.6860.56179.44
tending3.93011.2184.1282.4374.2281.84527.611
thinning15.41512.31710.7173.8304.2287.12253.48
establishment cut11.8179.4198.6199.61810.9175.32555.68
removal cut2.9353.6312.4380.7710.7713.23313.516
plentering3.93011.9173.1330.31001.1580.410020.713
thinning of mountain forest3.93031.41015.51420.6128.42016.31496.16
coppice cut0.771........4.3295.026
conversion..0.771......1.1581.845
transformation..0.41000.3100......0.771
sanitary felling1.1581.1580.7710.771..0.41003.930
plentering in broadleaf forest3.2331.4505.924......10.518
tending of forest edge0.41000.7711.450..0.7710.41003.532
planting..............
agrosilvicultural treatments1.4501.1580.41000.7710.41000.7714.628
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171092/157475

NFI2

forest area: altitudinal vegetation zone · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zoneregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpinen/a..............
< 1%..............
1-9%......0.771....0.771
10-25%..............
26-50%..............
51-75%..............
76-100%..............
total......0.771....0.771
lower subalpinen/a......0.4100....0.4100
< 1%......0.771....0.771
1-9%0.41000.7710.31000.771..0.41002.538
10-25%..0.41000.31000.3100....1.058
26-50%....0.31001.058..0.41001.745
51-75%......0.3100....0.3100
76-100%..............
total0.41001.1581.0583.431..0.7716.623
upper montanen/a..............
< 1%..............
1-9%..0.41001.7440.31001.1581.1584.628
10-25%..1.1580.31000.31000.41001.4503.532
26-50%......0.771..0.7711.450
51-75%..0.4100........0.4100
76-100%....0.3100......0.3100
total..1.8452.4381.4501.4503.23310.218
lower montanen/a..........0.41000.4100
< 1%....0.3100..0.771..1.058
1-9%..0.7711.058....0.41002.141
10-25%0.41000.7711.4500.3100....2.835
26-50%0.41000.4100......0.41001.158
51-75%....0.31000.3100..0.41001.058
76-100%......0.3100....0.3100
total0.7711.8453.1331.0580.7711.4508.820
colline/submontanen/a..............
< 1%0.4100........0.41000.771
1-9%..0.4100..1.058....1.450
10-25%0.41000.41000.3100....2.5383.531
26-50%1.158..0.7710.3100..1.4503.532
51-75%..0.4100..0.3100..0.7711.450
76-100%0.7710.4100........1.158
total2.5381.4501.0581.744..5.02611.717
totaln/a......0.4100..0.41000.771
< 1%0.4100..0.31000.7710.7710.41002.438
1-9%0.41002.2413.1332.7351.1581.84511.218
10-25%0.7712.5382.4381.0580.41003.93010.918
26-50%1.4500.41001.0582.141..2.8357.721
51-75%..0.7710.31001.058..1.1583.233
76-100%0.7710.41000.31000.3100....1.845
total3.6326.1247.6218.2202.14110.31837.99

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171093/157476

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearno treatment..............................
tending....16.910.9....1.51.51.61.10.90.91.01.0..........0.50.2
thinning2.21.67.16.98.48.113.67.35.95.7..0.80.82.71.6..5.43.7......0.30.31.10.3
establishment cut4.52.2....4.54.5..2.92.11.61.11.81.31.01.0..3.42.40.90.73.11.2..1.60.3
removal cut1.11.1..................1.71.70.50.50.50.50.70.50.40.2
plentering2.21.6........1.51.52.31.30.90.9............0.50.2
thinning of mountain forest2.21.6....4.54.5....3.11.5..1.01.05.43.7..1.90.9..2.10.81.50.3
coppice cut..............................
conversion................1.01.0..........0.10.1
transformation..............................
sanitary felling1.11.1........1.51.5....1.01.0..........0.20.1
plentering in broadleaf forest....................1.71.7......0.10.1
tending of forest edge....8.48.1....................0.30.30.20.1
planting..............................
agrosilvicultural treatments1.11.1..........................0.10.1
total14.63.77.16.933.713.722.79.05.95.77.43.29.32.66.42.34.92.110.85.16.93.33.31.23.61.33.51.16.30.7
2-5 yearsno treatment..............................
tending1.11.1....9.16.15.95.72.92.13.11.52.71.63.91.95.43.73.42.40.90.71.50.91.00.62.10.4
thinning7.92.97.16.98.48.113.67.35.95.72.92.13.91.73.61.81.91.42.72.73.42.40.90.7..2.10.82.70.4
establishment cut3.41.914.39.48.48.127.39.5..4.42.52.31.37.32.51.01.0....2.41.05.71.71.70.83.50.5
removal cut2.21.67.16.9......1.51.51.61.1....2.72.71.71.7....0.70.50.80.2
plentering4.52.2........1.51.55.42.01.81.3......0.50.5....1.10.3
thinning of mountain forest2.21.6........1.51.56.22.11.81.34.92.15.43.710.34.04.21.43.11.23.11.03.70.5
coppice cut..........................0.30.30.10.1
conversion............0.80.8..............0.10.1
transformation..............................
sanitary felling1.11.17.16.9..................0.50.5....0.20.1
plentering in broadleaf forest1.11.1......5.95.7..0.80.84.52.0....5.22.9......0.80.2
tending of forest edge............1.61.10.90.9........1.00.7..0.40.2
planting..............................
agrosilvicultural treatments..............................
total23.64.535.712.816.910.950.010.717.69.314.74.325.63.822.74.011.63.216.26.124.15.69.42.011.32.39.11.715.61.0
6-10 yearsno treatment..............................
tending1.11.1....4.54.5..5.92.93.11.51.81.34.92.1..1.71.70.90.71.50.90.70.51.90.4
thinning10.13.27.16.9..4.54.523.510.37.43.23.91.79.12.74.92.15.63.91.71.70.90.74.11.42.10.84.40.6
establishment cut4.52.2..8.48.14.54.55.95.72.92.10.80.83.61.81.91.42.72.73.42.45.21.52.61.11.40.72.90.5
removal cut..7.16.97.27.0......0.80.80.90.92.91.7......0.50.51.00.60.80.2
plentering3.41.9......5.95.7..12.42.92.71.6........0.50.50.30.31.90.4
thinning of mountain forest2.21.6........14.74.38.52.54.52.08.72.813.55.610.34.07.51.83.61.33.11.05.90.6
coppice cut2.21.6........................1.70.80.50.2
conversion..........................0.30.30.10.1
transformation..............................
sanitary felling......................0.50.5..0.30.30.10.1
plentering in broadleaf forest1.11.1....4.54.523.510.3..1.61.14.52.0............1.00.3
tending of forest edge..............1.81.3............0.10.1
planting..............................
agrosilvicultural treatments2.21.6........1.41.40.80.80.90.9......0.50.5..0.30.30.50.2
total26.94.714.39.415.610.318.28.258.811.932.45.731.84.130.04.423.34.221.86.817.25.015.62.512.92.411.51.920.11.1
11-20 yearsno treatment..............................
tending1.11.1....4.54.55.95.71.51.50.80.80.90.91.91.4....1.40.83.11.2..1.20.3
thinning4.52.214.39.48.48.1....2.92.12.31.33.61.83.91.92.72.71.71.73.31.22.11.02.40.93.00.5
establishment cut7.92.9..16.910.9....5.92.91.61.14.52.02.91.72.72.7..4.71.54.61.52.10.83.60.5
removal cut1.11.1..8.48.1....1.51.51.61.1....5.43.71.71.70.50.5..0.70.50.80.2
plentering......4.54.5..4.42.51.61.11.81.3....1.71.7..1.00.7..0.80.2
thinning of mountain forest4.52.2........8.83.510.12.75.52.218.43.821.66.85.22.914.62.45.71.77.71.69.10.8
coppice cut..........................2.10.80.40.2
conversion..........................0.70.50.10.1
transformation..........1.51.5..0.90.9............0.20.1
sanitary felling..............1.81.31.01.0..........0.20.1
plentering in broadleaf forest........5.95.7..0.80.81.81.3....1.71.7......0.40.2
tending of forest edge....................1.71.7......0.10.1
planting..............................
agrosilvicultural treatments1.11.1..............1.01.0....0.50.50.50.50.30.30.40.2
total20.34.314.39.433.713.79.16.111.87.826.55.418.63.420.93.929.14.532.47.713.84.525.03.017.02.716.12.220.41.1
> 20 yearsno treatment14.63.828.612.1....5.95.719.04.814.73.120.03.831.14.618.96.538.06.446.73.455.23.659.82.937.61.3
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..............................
total14.63.828.612.1....5.95.719.04.814.73.120.03.831.14.618.96.538.06.446.73.455.23.659.82.937.61.3
totalno treatment14.63.828.612.1....5.95.719.04.814.73.120.03.831.14.618.96.538.06.446.73.455.23.659.82.937.61.3
tending3.41.9..16.910.918.28.211.87.811.83.98.52.56.42.311.63.25.43.75.22.93.31.26.21.71.70.85.80.6
thinning24.74.635.712.825.312.731.89.935.311.613.34.110.92.719.13.810.73.016.46.16.93.35.21.56.21.77.01.511.20.9
establishment cut20.24.314.39.433.713.736.410.35.95.716.24.56.22.117.33.66.82.55.43.76.93.313.22.316.02.65.21.311.70.9
removal cut4.52.214.39.415.610.3....2.92.13.91.70.90.92.91.78.14.55.22.90.90.71.00.73.11.02.80.5
plentering10.13.2....4.54.55.95.77.43.221.73.67.32.5....1.71.70.50.51.50.90.30.34.30.5
thinning of mountain forest11.33.4....4.54.5..25.15.327.94.011.83.133.04.645.88.225.85.828.33.112.42.416.12.220.21.1
coppice cut2.21.6........................4.21.21.00.3
conversion............0.80.8..1.01.0........1.00.60.40.2
transformation..........1.51.5..0.90.9............0.20.1
sanitary felling2.21.67.16.9......1.51.5..1.81.32.01.4....0.90.7..0.30.30.80.2
plentering in broadleaf forest2.21.6....4.54.535.311.6..3.11.510.93.0....8.63.7......2.20.4
tending of forest edge....8.48.1......1.61.12.71.6....1.71.7..1.00.70.30.30.80.2
planting..............................
agrosilvicultural treatments4.52.2........1.41.40.80.80.90.91.01.0....0.90.70.50.50.70.51.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #171094/157477

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · economic 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
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jurano treatment........4.6274.627
tending..0.41000.41000.4100..1.158
thinning0.7712.5383.2331.450..7.821
establishment cut1.4501.1581.4502.538..6.423
removal cut0.41000.771..0.4100..1.450
plentering0.7711.4501.158....3.233
thinning of mountain forest0.7710.7710.7711.450..3.631
coppice cut....0.771....0.771
conversion............
transformation............
sanitary felling0.41000.4100......0.771
plentering in broadleaf forest..0.41000.4100....0.771
tending of forest edge............
planting............
agrosilvicultural treatments0.4100..0.7710.4100..1.450
total4.6277.5218.6206.4234.62731.810
Eastern Jurano treatment........1.6491.649
tending............
thinning0.41000.41000.41000.870..2.044
establishment cut..0.870......0.870
removal cut..0.41000.4100....0.870
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling..0.4100......0.4100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41002.0440.8700.8701.6495.525
Western Plateauno treatment............
tending0.870........0.870
thinning0.41000.4100..0.4100..1.257
establishment cut..0.41000.41000.870..1.649
removal cut....0.41000.4100..0.871
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge0.4100........0.4100
planting............
agrosilvicultural treatments............
total1.6490.8700.8711.649..4.928
Central Plateauno treatment............
tending..0.6710.31000.3100..1.250
thinning0.9570.9570.3100....2.237
establishment cut0.31001.9400.3100....2.535
removal cut............
plentering......0.3100..0.3100
thinning of mountain forest0.3100........0.3100
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest....0.3100....0.3100
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.5443.4301.2500.671..6.820
Eastern Plateauno treatment........0.41000.4100
tending..0.4100..0.4100..0.771
thinning0.41000.41001.450....2.141
establishment cut....0.4100....0.4100
removal cut............
plentering....0.4100....0.4100
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest..0.41001.4500.4100..2.141
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41001.1583.6310.7710.41006.124
Western Pre-Alpsno treatment........4.8274.827
tending0.41000.7701.5490.4100..3.034
thinning..0.7701.9440.770..3.332
establishment cut0.7701.1570.7701.549..4.129
removal cut..0.4100..0.4100..0.770
plentering0.41000.4100..1.157..1.944
thinning of mountain forest..0.41003.7302.240..6.323
coppice cut............
conversion............
transformation......0.4100..0.4100
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.4100....0.4100
total1.9443.7308.1206.7224.82725.29
Central Pre-Alpsno treatment........6.8226.822
tending0.7711.4501.4500.4100..3.930
thinning0.41001.8441.8441.158..5.026
establishment cut0.7711.1580.41000.771..2.935
removal cut..0.7710.41000.771..1.844
plentering1.1582.5375.7240.771..10.018
thinning of mountain forest1.4502.9353.9304.727..12.916
coppice cut............
conversion..0.4100......0.4100
transformation............
sanitary felling............
plentering in broadleaf forest..0.41000.7710.4100..1.450
tending of forest edge..0.771......0.771
planting............
agrosilvicultural treatments....0.4100....0.4100
total4.32811.81614.7158.6206.82246.37
Eastern Pre-Alpsno treatment........7.9207.920
tending0.41001.1570.7710.4100..2.537
thinning1.1571.4503.6311.450..7.521
establishment cut0.7712.9351.4501.844..6.822
removal cut....0.4100....0.4100
plentering0.41000.7711.1570.771..2.935
thinning of mountain forest..0.7711.8442.140..4.627
coppice cut............
conversion............
transformation......0.4100..0.4100
sanitary felling......0.771..0.771
plentering in broadleaf forest..1.8441.8440.771..4.328
tending of forest edge..0.41000.771....1.158
planting............
agrosilvicultural treatments....0.4100....0.4100
total2.5378.91911.8168.2207.92039.37
Northwestern Alpsno treatment........11.41611.416
tending0.41001.4501.8440.771..4.328
thinning..0.7711.8441.450..3.929
establishment cut0.41000.41000.7711.157..2.537
removal cut....1.157....1.157
plentering............
thinning of mountain forest0.41001.8443.2336.822..12.116
coppice cut............
conversion0.4100........0.4100
transformation............
sanitary felling0.4100....0.4100..0.771
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......0.4100..0.4100
total1.8444.3288.61910.71711.41636.87
Central Alpsno treatment........2.4372.437
tending..0.770......0.770
thinning0.7700.31000.7710.3100..2.140
establishment cut....0.31000.3100..0.770
removal cut..0.3100..0.770..1.057
plentering............
thinning of mountain forest0.7700.7701.7442.734..5.822
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.4492.1402.8344.1272.43712.713
Northeastern Alpsno treatment........7.9207.920
tending..0.7700.4100....1.157
thinning..0.7700.41000.4100..1.450
establishment cut0.770..0.770....1.449
removal cut0.41000.4100..0.4100..1.157
plentering......0.4100..0.4100
thinning of mountain forest..2.1402.1401.157..5.424
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest0.41001.157..0.4100..1.844
tending of forest edge......0.4100..0.4100
planting............
agrosilvicultural treatments............
total1.4495.0253.6302.9357.92020.810
Southwestern Alpsno treatment........34.0934.09
tending..0.7710.7711.058..2.437
thinning..0.7710.7712.437..3.830
establishment cut0.7711.7443.8303.431..9.618
removal cut0.3100....0.3100..0.771
plentering..0.3100......0.3100
thinning of mountain forest1.4503.1335.52510.617..20.612
coppice cut............
conversion............
transformation............
sanitary felling..0.31000.3100....0.771
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.31000.3100..0.771
total2.4376.92211.31718.21334.0972.75
Southeastern Alpsno treatment........37.6837.68
tending..1.1581.1582.141..4.228
thinning....2.8351.450..4.228
establishment cut2.1413.9301.8453.233..10.917
removal cut0.4100..0.4100....0.771
plentering....0.41000.771..1.158
thinning of mountain forest..2.1412.5383.930..8.420
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge..0.771......0.771
planting............
agrosilvicultural treatments......0.4100..0.4100
total2.5387.7218.81911.61737.6868.25
Southern Alpsno treatment........60.5660.56
tending..1.1580.771....1.845
thinning0.41002.1412.1412.538..7.122
establishment cut..1.8451.4502.141..5.325
removal cut0.7710.7711.1580.771..3.233
plentering....0.4100....0.4100
thinning of mountain forest2.1413.2333.2337.821..16.314
coppice cut..0.41001.8452.141..4.329
conversion....0.41000.771..1.158
transformation............
sanitary felling....0.4100....0.4100
plentering in broadleaf forest............
tending of forest edge0.4100........0.4100
planting............
agrosilvicultural treatments....0.41000.4100..0.771
total3.5319.21911.71716.31460.56101.34
Switzerlandno treatment........179.94179.94
tending2.63810.2198.9206.024..27.711
thinning5.32613.11621.01314.316..53.88
establishment cut7.82116.91413.81617.414..55.98
removal cut2.1413.6323.9304.030..13.616
plentering2.5385.4268.9203.930..20.713
thinning of mountain forest7.02217.71428.41143.49..96.46
coppice cut..0.41002.5382.141..5.026
conversion0.41000.41000.41000.771..1.845
transformation......0.771..0.771
sanitary felling1.1581.1580.7711.158..4.030
plentering in broadleaf forest0.41003.9304.6281.845..10.718
tending of forest edge0.8711.8450.7710.4100..3.632
planting............
agrosilvicultural treatments0.4100..2.5381.845..4.628
total30.21174.4796.3697.56179.94478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171095/157478

NFI4b

forest area: stand stability · regeneration cover · biogeographical region
unit: %
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
stand stabilityregeneration cover %± %± %± %± %± %± %±
critical< 1%....0.80.41.60.92.61.30.70.51.00.3
1-9%....1.70.63.11.31.30.92.81.01.80.4
10-25%0.90.9..2.40.73.11.30.70.71.40.71.80.4
26-50%....1.30.52.11.02.01.10.30.31.10.3
51-75%..1.31.30.60.31.00.71.30.90.70.50.70.2
76-100%....0.40.30.50.5....0.20.1
total0.90.91.31.37.21.111.52.37.82.25.91.46.70.7
less stable< 1%0.90.91.31.34.30.93.11.33.31.42.40.93.20.5
1-9%9.42.83.82.215.21.621.33.017.03.023.72.517.01.0
10-25%12.33.213.93.917.01.613.52.58.52.316.22.214.81.0
26-50%4.72.16.32.77.51.18.82.15.21.88.31.67.30.7
51-75%2.81.613.93.93.00.70.50.52.01.11.70.82.90.5
76-100%4.72.16.32.71.50.5....1.40.71.60.3
total34.94.645.65.648.62.247.43.636.03.953.82.946.91.4
stable< 1%0.90.9..1.10.52.11.05.21.82.81.02.00.4
1-9%12.33.210.13.412.61.418.82.819.63.222.12.416.11.0
10-25%17.03.711.43.612.81.412.52.422.23.49.71.713.40.9
26-50%15.13.521.54.610.01.36.21.77.22.15.11.39.20.8
51-75%9.42.87.63.04.90.91.60.92.01.10.70.53.70.5
76-100%9.42.82.51.82.80.7......2.00.4
total64.24.753.25.644.22.241.23.656.24.040.42.946.41.4
total< 1%1.91.31.31.36.21.06.81.811.12.55.91.46.10.7
1-9%21.74.013.93.929.62.043.33.637.93.948.62.935.01.3
10-25%30.24.525.34.932.22.029.13.331.43.827.32.630.11.2
26-50%19.83.927.85.018.81.717.22.714.42.813.82.017.61.0
51-75%12.33.222.84.78.51.23.11.35.21.83.11.07.40.7
76-100%14.13.48.93.24.70.90.50.5..1.40.73.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171096/157479

NFI4b

forest area: stand stability · regeneration cover · 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
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%....1.4501.0581.4500.7714.628
1-9%....3.2332.1410.7712.8358.820
10-25%0.4100..4.6282.1410.41001.4508.820
26-50%....2.5381.4501.1580.41005.326
51-75%..0.41001.1580.7710.7710.7713.532
76-100%....0.7710.3100....1.158
total0.41000.410013.5167.5214.2286.12432.010
less stable< 1%0.41000.41008.2212.1411.8442.53815.215
1-9%3.6311.15828.71114.0159.21924.51181.16
10-25%4.7273.93032.0108.9194.62716.71470.77
26-50%1.8451.84514.2165.8242.8358.62035.010
51-75%1.1583.9305.7250.31001.1581.84513.916
76-100%1.8451.8452.835....1.4507.821
total13.31612.71691.6531.1919.41255.57223.73
stable< 1%0.4100..2.1411.4502.8352.8359.519
1-9%4.7272.83523.81212.41610.61722.81277.06
10-25%6.5233.23324.1128.22012.01610.01864.07
26-50%5.8256.02418.8134.1283.9305.32643.89
51-75%3.6312.1419.2191.0581.1580.77117.714
76-100%3.6310.7715.326......9.619
total24.51114.91583.3627.11030.4941.78221.84
total< 1%0.7710.410011.7174.4276.0246.12429.311
1-9%8.3203.93055.7728.41020.51250.27166.94
10-25%11.5177.12260.7719.21217.01328.210143.65
26-50%7.6217.82135.51011.3177.82114.21584.16
51-75%4.7276.42316.0152.1412.8353.23335.210
76-100%5.4252.5388.9200.3100..1.45018.514
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171097/157480

NFI2

forest area: altitudinal vegetation zone · regeneration cover · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionregeneration cover %± %± %± %± %± %±
Western Juran/a............
< 1%........20.017.912.411.7
1-9%..100.0.......12.912.0
10-25%......50.035.420.017.924.915.3
26-50%......50.035.440.021.937.317.1
51-75%............
76-100%........20.017.912.411.7
total..100.0...100.0.100.0.100.0.
Eastern Juran/a............
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%........100.0.100.0.
total........100.0.100.0.
Western Plateaun/a............
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateaun/a............
< 1%............
1-9%............
10-25%............
26-50%........100.0.100.0.
51-75%............
76-100%............
total........100.0.100.0.
Eastern Plateaun/a............
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alpsn/a............
< 1%............
1-9%............
10-25%....100.0.....100.0.
26-50%............
51-75%............
76-100%............
total....100.0.....100.0.
Central Pre-Alpsn/a............
< 1%............
1-9%..100.0.......25.021.7
10-25%....100.0.....25.021.7
26-50%......100.0...25.021.7
51-75%............
76-100%........100.0.25.021.7
total..100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alpsn/a............
< 1%............
1-9%............
10-25%........50.035.433.327.3
26-50%........50.035.433.327.3
51-75%......100.0...33.327.3
76-100%............
total......100.0.100.0.100.0.
Northwestern Alpsn/a............
< 1%............
1-9%..50.035.433.327.350.025.133.327.341.714.3
10-25%..50.035.433.327.350.025.133.327.341.714.3
26-50%............
51-75%....33.327.3..33.327.316.710.8
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
Central Alpsn/a............
< 1%............
1-9%..33.327.3100.0.50.035.5..60.015.5
10-25%..33.327.3..50.035.5..20.012.7
26-50%..33.327.3....100.0.20.012.7
51-75%............
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
Northeastern Alpsn/a............
< 1%......16.715.3..11.110.5
1-9%....33.327.333.319.3..33.315.8
10-25%....33.327.350.020.5..44.416.6
26-50%............
51-75%............
76-100%....33.327.3....11.110.5
total....100.0.100.0...100.0.
Southwestern Alpsn/a..10.69.9......4.44.3
< 1%..19.912.6......8.35.6
1-9%100.0.19.912.625.021.7..60.021.933.29.6
10-25%..9.99.425.021.733.327.3..12.56.7
26-50%..29.814.550.025.0..20.017.924.98.8
51-75%..9.99.4..33.327.320.017.912.56.7
76-100%......33.327.3..4.24.1
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alpsn/a............
< 1%......100.0...33.319.3
1-9%....75.021.7....50.020.4
10-25%....25.021.7....16.715.2
26-50%............
51-75%............
76-100%............
total....100.0.100.0...100.0.
Southern Alpsn/a......25.021.7..3.43.4
< 1%........7.16.93.43.4
1-9%..50.035.433.615.825.021.7..17.47.1
10-25%....44.216.6..50.013.437.99.0
26-50%..50.035.422.113.825.021.728.612.127.58.3
51-75%......25.021.714.39.410.35.7
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
Switzerlandn/a..5.55.3..4.03.9..1.91.3
< 1%..10.36.9..12.06.56.14.26.52.4
1-9%100.0.37.211.144.69.224.18.611.95.629.54.4
10-25%..15.78.434.88.932.09.330.58.028.94.4
26-50%..26.010.013.66.312.16.529.97.920.23.8
51-75%..5.25.03.53.411.96.512.15.78.32.7
76-100%....3.53.43.93.89.55.24.82.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171098/157481

NFI4b

forest area: stand stability · regeneration cover · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
stand stabilityregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%................1.60.8..4.54.5................0.90.63.63.51.91.81.90.9....0.90.3
1-9%......1.80.9........1.20.7........3.83.8......5.03.5..3.11.13.63.5..3.31.2....1.80.4
10-25%....10.09.71.80.9........0.40.4..9.16.2....7.75.31.21.2....5.03.5..1.70.93.63.51.91.82.81.1....1.80.4
26-50%......0.50.5......3.83.81.20.7..4.54.5......2.41.7....2.52.5..0.40.4..1.91.81.90.9....1.10.3
51-75%..............3.83.80.80.6....................0.90.6..3.72.60.90.7..25.021.70.80.2
76-100%......0.50.5....................1.21.2..............0.50.5....0.20.1
total....10.09.74.61.4......7.75.35.21.4..18.28.3....11.56.34.82.3....12.55.3..7.01.710.75.99.34.011.32.2..25.021.76.70.7
less stable< 1%..10.09.810.09.70.90.6..6.73.7..7.75.34.41.33.33.3......3.83.86.02.6....5.03.5..2.21.07.14.91.91.82.81.1....3.20.5
1-9%33.327.320.013.0..11.82.210.09.613.35.1..15.47.119.12.56.74.613.67.37.16.928.617.423.18.311.93.5..16.715.315.05.7..24.02.83.63.516.75.121.72.8....17.01.0
10-25%....10.09.716.92.540.015.622.16.2..15.47.110.01.910.05.518.28.37.16.914.313.515.47.115.54.0..33.319.315.05.720.012.717.92.510.75.912.94.613.72.411.110.850.025.114.91.0
26-50%......5.91.6..6.73.7..11.56.35.21.46.74.69.16.2....11.56.39.53.2..16.715.37.54.210.09.58.81.918.37.47.43.68.01.911.110.8..7.40.7
51-75%..10.09.8..1.80.9..4.43.1..3.83.81.20.73.33.39.16.27.16.9..7.75.310.73.4....2.52.510.09.52.21.0..5.63.10.90.711.110.8..2.90.5
76-100%33.327.3....1.80.9......3.83.80.80.63.33.34.54.57.16.914.313.53.83.81.21.2..33.319.3....1.30.8..3.72.6..11.110.8..1.70.4
total66.727.340.015.820.012.939.33.350.015.953.37.5..57.79.740.63.133.38.654.510.628.612.157.119.065.49.354.75.4..100.0.45.07.940.015.656.33.339.69.348.16.847.13.444.417.150.025.147.01.4
stable< 1%..10.09.8..0.50.510.09.6....3.83.84.01.2..........2.41.7....2.52.5..2.61.1....1.90.9....2.00.4
1-9%..30.014.920.012.919.62.7..6.73.7..7.75.321.92.63.33.34.54.5......11.93.550.035.8..7.54.2..19.22.614.26.611.14.318.92.7....16.01.0
10-25%33.327.320.013.030.014.816.02.510.09.611.14.7..11.56.318.32.420.07.34.54.514.39.4..19.27.810.73.4....10.04.810.09.58.81.914.26.69.23.912.72.311.110.8..13.40.9
26-50%....20.012.911.92.220.012.815.65.4..7.75.37.61.716.76.818.28.314.39.428.617.4..7.12.8....15.05.720.012.75.21.510.75.913.04.66.61.733.316.2..9.20.8
51-75%......6.01.6..11.14.7....2.00.916.76.8..21.411.0..3.83.84.82.3....5.03.530.014.60.90.610.75.91.91.81.40.8....3.70.5
76-100%......2.31.010.09.62.22.2..3.83.80.40.410.05.5..21.411.014.313.5..3.62.050.035.8..2.52.5......7.43.6..11.110.825.021.72.10.4
total33.327.360.015.770.014.756.23.450.015.946.77.5..34.69.454.23.166.78.627.39.571.412.142.919.123.18.340.55.4100.0...42.57.860.015.636.73.249.89.542.66.741.53.455.617.025.021.746.31.4
total< 1%..20.013.010.09.71.40.810.09.66.73.7..11.56.310.01.93.33.34.54.5....3.83.88.33.0....7.54.2..5.71.510.75.93.72.66.61.7....6.10.7
1-9%33.327.350.016.120.012.933.33.210.09.620.06.0..23.18.342.23.110.05.518.28.37.16.928.617.426.98.823.84.750.035.816.715.327.57.1..46.33.321.37.827.86.143.93.4....34.91.3
10-25%33.327.320.013.050.016.134.73.250.015.933.37.0..26.98.828.72.930.08.431.810.021.411.014.313.542.39.827.44.9..33.319.330.07.330.014.628.43.028.48.623.95.829.23.122.214.350.025.130.01.2
26-50%....20.012.918.32.620.012.822.26.2..23.18.314.02.223.37.831.810.014.39.428.617.411.56.319.04.3..16.715.325.06.930.014.614.42.328.98.722.35.716.52.644.417.1..17.71.0
51-75%..10.09.8..7.81.8..15.65.4..7.75.34.01.220.07.39.16.228.612.1..11.56.315.54.0....7.54.240.015.63.91.310.75.911.14.33.31.211.110.825.021.77.30.7
76-100%33.327.3....4.61.410.09.62.22.2..7.75.31.20.713.36.24.54.528.612.128.617.43.83.86.02.650.035.833.319.32.52.5..1.30.8..11.14.30.50.522.214.325.021.74.00.5
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #171099/157482

NFI4b

forest area: stand stability · regeneration cover · canton
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
stand stability
criticalless stablestabletotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG< 1%........
1-9%..0.4100..0.4100
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%..0.4100..0.4100
total..0.8700.41001.257
AI< 1%..0.31000.31000.669
1-9%..0.6691.0541.639
10-25%....0.6690.669
26-50%........
51-75%..0.3100..0.3100
76-100%........
total..1.3451.9343.221
AR< 1%..0.3100..0.3100
1-9%....0.6690.669
10-25%0.31000.31001.0551.641
26-50%....0.6690.669
51-75%........
76-100%........
total0.31000.6692.2333.225
BE< 1%..0.7710.31001.058
1-9%1.4508.91914.71525.011
10-25%1.45012.71612.01626.011
26-50%0.31004.4278.91913.715
51-75%..1.4504.5275.824
76-100%0.31001.4501.7453.431
total3.43129.41042.1875.05
BL/BS< 1%....0.41000.4100
1-9%..0.4100..0.4100
10-25%..1.6490.41002.043
26-50%....0.8700.870
51-75%........
76-100%....0.41000.4100
total..2.0432.0434.129
FR< 1%..1.157..1.157
1-9%..2.2401.1573.432
10-25%..3.7311.9445.624
26-50%..1.1572.6373.730
51-75%..0.7701.9442.637
76-100%....0.41000.4100
total..9.0197.92016.812
GE< 1%........
1-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GL< 1%..0.8700.41001.257
1-9%..1.5490.8702.339
10-25%..1.5491.2572.736
26-50%0.41001.2570.8702.339
51-75%0.41000.4100..0.870
76-100%..0.41000.41000.870
total0.8705.8223.53110.014
GR< 1%1.4503.8303.5318.720
1-9%1.05816.71419.21337.09
10-25%0.31008.72016.11425.111
26-50%1.0584.6276.62312.216
51-75%0.7711.0581.7453.531
76-100%..0.7710.31001.058
total4.52735.6947.5787.65
JU< 1%..0.4100..0.4100
1-9%..0.8700.41001.257
10-25%..1.2572.3403.532
26-50%..0.8701.9442.736
51-75%..0.41001.9442.340
76-100%..0.41001.2571.649
total..3.9307.82011.715
LU< 1%0.3100....0.3100
1-9%..0.9570.31001.349
10-25%0.6701.3490.31002.237
26-50%0.31000.6701.3492.237
51-75%..0.670..0.670
76-100%..0.3100..0.3100
total1.3493.8281.9406.920
NE< 1%........
1-9%..0.3100..0.3100
10-25%..0.31000.6701.057
26-50%....0.6700.670
51-75%..0.31001.0571.349
76-100%..0.31001.0571.349
total..1.3493.2304.525
NW< 1%........
1-9%..0.869..0.869
10-25%..0.4100..0.4100
26-50%....0.8690.869
51-75%........
76-100%..0.41000.41000.869
total..1.5461.2552.732
OW< 1%..0.4100..0.4100
1-9%0.41002.239..2.636
10-25%0.7701.5491.9434.127
26-50%..1.157..1.157
51-75%..0.7700.41001.157
76-100%..0.4100..0.4100
total1.1576.4202.2399.714
SG< 1%..1.8440.7702.537
1-9%..3.6313.6317.221
10-25%0.41004.7273.3338.320
26-50%0.7702.9352.2405.824
51-75%..3.3331.4504.727
76-100%0.41000.41001.1571.844
total1.45016.61312.31630.48
SH< 1%........
1-9%....0.41000.4100
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.7700.770
SO< 1%........
1-9%..0.4100..0.4100
10-25%..0.870..0.870
26-50%..0.4100..0.4100
51-75%........
76-100%..0.870..0.870
total..2.340..2.340
SZ< 1%..0.7700.41001.157
1-9%0.7702.2401.1574.028
10-25%0.7702.2401.4494.327
26-50%0.41001.1572.2403.630
51-75%..0.41000.7701.157
76-100%....0.41000.4100
total1.8446.5216.22214.512
TG< 1%........
1-9%........
10-25%..0.6700.31000.957
26-50%..0.31000.6700.957
51-75%..0.31000.9571.249
76-100%........
total..1.2491.8393.030
TI< 1%0.7711.8442.1414.727
1-9%2.53719.71315.81437.98
10-25%1.45014.7157.22223.311
26-50%0.41007.2224.22911.817
51-75%0.7711.8440.7713.233
76-100%..1.158..1.158
total5.72446.2730.11082.04
UR< 1%0.31000.770..1.057
1-9%0.31000.31001.3492.039
10-25%0.31001.0571.3492.634
26-50%..1.7441.0572.734
51-75%....1.0571.057
76-100%........
total1.0573.7294.6249.315
VD< 1%0.41000.4100..0.871
1-9%..3.4332.3405.725
10-25%0.41002.6381.9454.927
26-50%0.41001.5502.7374.628
51-75%0.8711.1580.41002.340
76-100%..0.8711.5502.340
total1.9449.9198.72020.512
VS< 1%1.4502.1411.4504.826
1-9%2.43715.81413.81531.99
10-25%2.1419.9189.31921.312
26-50%1.4505.8244.82612.016
51-75%0.7710.7711.0582.437
76-100%0.3100....0.3100
total8.22034.3930.2972.75
ZG< 1%........
1-9%........
10-25%..0.41000.41000.968
26-50%..0.41001.3531.744
51-75%..0.4100..0.4100
76-100%..0.41000.41000.968
total..1.7442.1373.921
ZH< 1%........
1-9%........
10-25%..0.770..0.770
26-50%........
51-75%0.4100....0.4100
76-100%....0.41000.4100
total0.41000.7700.41001.449
Switzerland< 1%4.52815.2159.61929.311
1-9%8.72081.3676.36166.34
10-25%8.72070.9763.77143.35
26-50%5.32635.11043.9984.36
51-75%3.63213.91617.51435.110
76-100%1.0588.0219.81918.914
total31.910224.44220.94477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #171100/157483

NFI4b

forest area: altitudinal vegetation zone · stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure %± %± %± %± %± %± %±
upper subalpinen/a......3.33.3....1.21.2
single-layered......49.99.138.78.838.811.541.35.4
multi-layered..33.327.2..16.66.822.67.527.910.622.04.6
stratified..33.327.2..30.18.435.58.627.710.631.85.1
clustered structure..33.327.2....3.23.25.55.43.72.1
total..100.0...100.0.100.0.100.0.100.0.
lower subalpinen/a..3.42.08.54.72.41.74.22.4..3.41.0
single-layered74.721.842.55.343.88.344.25.443.15.848.87.544.52.7
multi-layered..35.65.127.47.423.24.626.45.240.17.329.72.5
stratified..16.13.917.66.530.25.022.24.911.14.720.32.2
clustered structure25.321.82.31.62.72.7..4.22.4..2.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montanen/a..4.01.73.92.2..5.12.94.52.23.50.9
single-layered23.89.333.34.235.15.452.86.944.16.530.84.936.52.3
multi-layered57.110.844.44.452.05.735.86.632.26.150.15.344.92.4
stratified19.18.618.33.49.13.311.34.418.65.114.63.815.11.7
clustered structure..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montanen/a..............
single-layered21.44.919.05.230.35.750.010.718.28.240.97.427.92.7
multi-layered68.65.660.36.462.16.031.89.968.29.954.57.560.42.9
stratified8.63.320.75.37.63.318.28.213.67.34.53.111.41.9
clustered structure1.41.4..........0.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontanen/a1.71.7..........0.40.4
single-layered30.56.023.18.326.98.733.310.320.012.735.15.030.83.0
multi-layered62.76.361.59.569.29.152.410.980.012.761.65.162.73.2
stratified5.12.915.47.13.83.814.37.6..3.31.96.01.6
clustered structure..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.62.70.93.01.21.40.83.11.21.40.72.10.4
single-layered26.63.632.02.734.13.346.73.438.73.537.02.935.91.3
multi-layered63.03.946.32.953.03.529.23.135.13.451.53.046.11.3
stratified8.42.218.02.29.52.122.72.921.12.99.71.815.01.0
clustered structure1.30.91.00.60.50.5..2.11.00.30.30.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171101/157484

NFI4b

forest area: altitudinal vegetation zone · stand structure · protection forest 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
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpinen/a......0.3100....0.3100
single-layered......5.1254.2282.53811.817
multi-layered..0.4100..1.7442.5381.8456.323
stratified..0.4100..3.1333.9301.8459.119
clustered structure..0.4100....0.41000.41001.158
total..1.158..10.31810.9176.42328.711
lower subalpinen/a..1.1581.1580.7711.158..3.930
single-layered1.15813.3165.52513.01510.9177.82151.68
multi-layered..11.2183.4316.9226.7226.42334.510
stratified..5.0262.2418.9195.6251.84523.612
clustered structure0.41000.7710.3100..1.158..2.538
total1.45031.41012.61629.51025.31116.014116.25
upper montanen/a..1.8451.058..1.1581.4505.326
single-layered1.84515.1159.3199.6189.1199.61954.68
multi-layered4.32920.21313.8156.5226.72215.61467.17
stratified1.4508.3202.4382.1413.9304.62722.612
clustered structure..............
total7.52245.4826.61018.21320.71231.110149.64
lower montanen/a..............
single-layered5.4264.0306.9223.8301.4506.42327.811
multi-layered17.21412.61614.1152.4375.3258.52060.17
stratified2.1414.3291.7451.4501.1580.77111.318
clustered structure0.4100..........0.4100
total25.01220.91322.8117.5217.72115.61499.66
colline/submontanen/a0.4100..........0.4100
single-layered6.4232.2412.4382.4370.77111.31725.412
multi-layered13.2165.8256.2233.8302.83519.81351.68
stratified1.1581.4500.31001.058..1.1585.027
clustered structure..............
total21.1139.4199.0197.2213.53132.2982.36
totaln/a0.41002.9352.1411.0582.1411.4509.919
single-layered14.71534.6924.21133.9926.41137.59171.24
multi-layered34.71050.1837.6821.31223.91152.17219.74
stratified4.72819.5136.72316.51414.4159.91871.67
clustered structure0.7711.1580.3100..1.4500.41003.930
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171102/157485

NFI4b

forest area: altitudinal vegetation zone · stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionstand structure %± %± %± %± %± %±
Western Juran/a............
single-layered..74.322.126.310.120.06.052.410.931.44.9
multi-layered....52.511.566.77.047.610.956.15.3
stratified....21.29.411.14.7..10.13.2
clustered structure..25.722.1..2.22.2..2.31.6
total..100.0.100.0.100.0.100.0.100.0.
Eastern Juran/a............
single-layered......40.022.011.110.521.411.0
multi-layered......60.022.088.910.478.610.9
stratified............
clustered structure............
total......100.0.100.0.100.0.
Western Plateaun/a............
single-layered......14.613.5..8.48.1
multi-layered....100.0.85.413.5100.0.91.68.1
stratified............
clustered structure............
total....100.0.100.0.100.0.100.0.
Central Plateaun/a........8.38.04.54.5
single-layered......30.014.533.313.631.89.9
multi-layered......70.014.550.014.559.110.5
stratified........8.38.04.54.5
clustered structure............
total......100.0.100.0.100.0.
Eastern Plateaun/a............
single-layered........15.410.011.87.8
multi-layered....100.0.66.727.369.212.870.611.0
stratified......33.327.315.410.017.69.3
clustered structure............
total....100.0.100.0.100.0.100.0.
Western Pre-Alpsn/a..5.04.95.94.1....4.42.5
single-layered..39.911.023.67.328.617.142.518.730.85.6
multi-layered..40.111.052.98.657.118.857.518.750.06.1
stratified..15.08.017.76.614.313.3..14.74.3
clustered structure............
total..100.0.100.0.100.0.100.0.100.0.
Central Pre-Alpsn/a....1.91.8....0.80.8
single-layered..51.99.635.26.511.15.29.18.729.54.0
multi-layered..29.68.840.76.763.98.081.811.648.14.4
stratified..18.57.522.25.725.07.29.18.720.93.6
clustered structure100.0.........0.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alpsn/a..6.76.57.14.0....3.61.8
single-layered..66.712.238.17.527.07.337.512.138.24.6
multi-layered..13.38.847.67.762.28.062.512.150.04.8
stratified..13.38.87.14.010.85.1..8.22.6
clustered structure............
total..100.0.100.0.100.0.100.0.100.0.
Northwestern Alpsn/a..5.03.55.33.6....3.91.9
single-layered..37.57.739.67.933.312.225.015.336.04.7
multi-layered50.035.437.57.742.18.053.312.937.517.241.74.9
stratified50.035.415.05.713.15.513.38.837.517.216.53.7
clustered structure..5.03.5......1.91.4
total100.0.100.0.100.0.100.0.100.0.100.0.
Central Alpsn/a............
single-layered..30.014.638.213.550.017.7..32.47.7
multi-layered..50.015.946.513.950.017.783.315.254.28.2
stratified..20.012.715.310.0..16.715.313.55.6
clustered structure............
total..100.0.100.0.100.0.100.0.100.0.
Northeastern Alpsn/a..18.411.6......3.52.4
single-layered..27.213.527.39.528.69.925.021.727.65.9
multi-layered..27.213.563.610.266.610.375.021.758.66.5
stratified..18.111.79.16.24.84.7..8.63.7
clustered structure..9.18.7......1.71.7
total..100.0.100.0.100.0.100.0.100.0.
Southwestern Alpsn/a3.33.32.41.7......1.40.8
single-layered49.99.144.25.452.86.950.010.733.310.346.73.4
multi-layered16.66.823.24.635.86.631.89.952.410.929.23.1
stratified30.18.430.25.011.34.418.28.214.37.622.72.9
clustered structure............
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alpsn/a..4.22.45.12.9....3.11.2
single-layered38.78.843.15.844.16.518.28.220.012.738.73.5
multi-layered22.67.526.45.232.26.168.29.980.012.735.13.4
stratified35.58.622.24.918.65.113.67.3..21.12.9
clustered structure3.23.24.22.4......2.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
Southern Alpsn/a....4.52.2....1.40.7
single-layered38.811.548.87.530.84.940.97.435.15.037.02.9
multi-layered27.910.640.17.350.15.354.57.561.65.151.53.0
stratified27.710.611.14.714.63.84.53.13.31.99.71.8
clustered structure5.55.4........0.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
Switzerlandn/a1.21.23.41.03.60.9..0.40.42.10.4
single-layered41.35.444.52.736.42.327.92.730.73.035.91.3
multi-layered22.04.629.82.544.92.460.42.963.03.246.21.3
stratified31.75.120.22.215.11.711.41.95.91.515.01.0
clustered structure3.72.12.10.8..0.40.4..0.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171103/157486

NFI4b

forest area: altitudinal vegetation zone · stand structure · economic 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
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a............
single-layered..1.1581.8453.2333.93010.018
multi-layered....3.63110.7183.63117.813
stratified....1.4501.845..3.233
clustered structure..0.4100..0.4100..0.771
total..1.4506.82316.0147.52131.810
Eastern Juran/a............
single-layered......0.8700.41001.257
multi-layered......1.2573.2344.429
stratified............
clustered structure............
total......2.0443.6325.525
Western Plateaun/a............
single-layered......0.4100..0.4100
multi-layered....0.41002.4401.6494.529
stratified............
clustered structure............
total....0.41002.8371.6494.928
Central Plateaun/a........0.31000.3100
single-layered......0.9571.2502.237
multi-layered......2.2371.9404.027
stratified........0.31000.3100
clustered structure............
total......3.1313.7286.820
Eastern Plateaun/a............
single-layered........0.7710.771
multi-layered....0.41000.7713.2334.328
stratified......0.41000.7711.158
clustered structure............
total....0.41001.1584.6276.124
Western Pre-Alpsn/a..0.41000.770....1.157
single-layered..2.9353.0340.7701.1587.820
multi-layered..3.0346.7221.5491.54912.615
stratified..1.1572.2400.4100..3.730
clustered structure............
total..7.42112.6152.6372.63725.29
Central Pre-Alpsn/a....0.4100....0.4100
single-layered..5.0266.8221.4500.410013.615
multi-layered..2.9357.9218.2203.23322.211
stratified..1.8444.3283.2330.41009.718
clustered structure0.4100........0.4100
total0.41009.71819.41212.9163.93046.37
Eastern Pre-Alpsn/a..0.41001.157....1.450
single-layered..3.6315.7243.6312.14015.014
multi-layered..0.7717.1218.2203.63119.612
stratified..0.7711.1571.450..3.233
clustered structure............
total..5.42515.01413.2155.72439.37
Northwestern Alpsn/a..0.7710.771....1.450
single-layered..5.4255.4251.8440.77113.215
multi-layered0.41005.4255.7242.9351.15715.414
stratified0.41002.1401.8440.7711.1576.123
clustered structure..0.771......0.771
total0.77114.31413.6155.4252.93536.87
Central Alpsn/a............
single-layered..1.0571.7441.449..4.127
multi-layered..1.7442.1401.4491.7446.920
stratified..0.7700.770..0.31001.744
clustered structure............
total..3.4304.5262.7342.14012.713
Northeastern Alpsn/a..0.771......0.771
single-layered..1.1572.1402.1400.41005.723
multi-layered..1.1575.0255.0251.15712.214
stratified..0.7700.7700.4100..1.844
clustered structure..0.4100......0.4100
total..3.9297.9197.5201.44920.810
Southwestern Alpsn/a0.31000.771......1.058
single-layered5.12513.0159.6183.8302.43733.99
multi-layered1.7446.9226.5222.4373.83021.312
stratified3.1338.9192.1411.4501.05816.514
clustered structure............
total10.31829.51018.2137.5217.22172.75
Southeastern Alpsn/a..1.1581.158....2.141
single-layered4.22810.9179.1191.4500.77126.411
multi-layered2.5386.7226.7225.3252.83523.911
stratified3.9305.6253.9301.158..14.415
clustered structure0.41001.158......1.450
total10.91725.31120.7127.7213.53168.25
Southern Alpsn/a....1.450....1.450
single-layered2.5387.8219.6196.42311.31737.59
multi-layered1.8456.42315.6148.52019.81352.17
stratified1.8451.8454.6270.7711.1589.918
clustered structure0.4100........0.4100
total6.42316.01431.11015.61432.29101.34
Switzerlandn/a0.31003.9305.426..0.31009.919
single-layered11.81751.8854.8827.91125.312171.74
multi-layered6.32334.61067.6760.6752.08221.14
stratified9.11923.51222.71211.4184.92771.57
clustered structure1.1582.538..0.4100..3.930
total28.711116.35150.54100.2682.56478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171104/157487

NFI4b

forest area: altitudinal vegetation zone · regeneration cover · biogeographical region
unit: %
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
altitudinal vegetation zoneregeneration cover %± %± %± %± %± %± %±
upper subalpine< 1%....33.327.210.05.519.47.111.17.414.73.9
1-9%....66.727.263.48.838.78.872.110.656.05.5
10-25%......20.07.335.58.611.37.523.24.7
26-50%......6.74.66.54.45.55.46.12.6
51-75%..............
76-100%..............
total....100.0.100.0.100.0.100.0.100.0.
lower subalpine< 1%....6.52.17.73.09.23.68.94.27.61.5
1-9%74.721.8..41.24.242.45.638.56.051.17.542.72.7
10-25%25.321.8..35.54.130.75.229.25.624.46.431.52.6
26-50%....9.42.517.94.316.94.711.24.713.01.8
51-75%....5.92.01.31.36.23.04.43.14.61.2
76-100%....1.41.0......0.60.4
total100.0...100.0.100.0.100.0.100.0.100.0.
upper montane< 1%....8.61.96.53.610.34.94.42.27.11.2
1-9%20.08.933.319.327.03.034.87.038.57.844.05.232.32.3
10-25%15.08.033.319.331.53.137.07.128.27.224.24.529.52.2
26-50%25.19.733.319.320.32.715.25.315.45.820.74.219.81.9
51-75%20.08.9..9.01.94.33.07.74.35.52.48.01.3
76-100%20.08.9..3.61.32.22.2..1.11.13.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montane< 1%3.82.63.13.13.41.75.04.97.16.92.22.23.51.1
1-9%17.05.29.45.224.64.035.010.735.712.857.87.428.02.7
10-25%32.16.418.86.928.84.220.09.035.712.826.76.627.72.7
26-50%20.85.634.38.422.93.935.010.721.611.08.94.222.32.5
51-75%11.34.428.17.910.22.85.04.9..2.22.210.31.8
76-100%15.14.96.24.310.22.8....2.22.28.21.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane< 1%..........6.62.62.61.0
1-9%24.18.014.65.518.05.444.411.725.021.742.85.230.03.0
10-25%37.99.029.37.136.06.827.810.650.025.035.25.034.43.1
26-50%17.27.022.06.530.06.516.78.8..12.13.418.52.5
51-75%10.35.722.06.510.04.211.17.425.021.71.11.19.01.9
76-100%10.35.712.25.16.03.4....2.21.55.61.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%1.91.31.31.36.21.06.81.811.12.55.91.46.10.7
1-9%21.74.013.93.929.62.043.33.637.93.948.62.935.01.3
10-25%30.24.525.34.932.22.029.13.331.43.827.32.630.11.2
26-50%19.83.927.85.018.81.717.22.714.42.813.82.017.61.0
51-75%12.33.222.84.78.51.23.11.35.21.83.11.07.40.7
76-100%14.13.48.93.24.70.90.50.5..1.40.73.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171105/157488

NFI4b

forest area: altitudinal vegetation zone · regeneration cover · 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
altitudinal vegetation zoneregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine< 1%....0.41001.0582.1410.7714.229
1-9%....0.7716.5224.2284.62716.114
10-25%......2.1413.9300.7716.723
26-50%......0.7710.7710.41001.745
51-75%..............
76-100%..............
total....1.15810.31811.0176.42328.711
lower subalpine< 1%....3.2332.1412.1411.4508.820
1-9%1.158..20.21311.3178.8198.22049.68
10-25%0.4100..17.4148.2206.7223.93036.610
26-50%....4.6284.8263.9301.84515.115
51-75%....2.9350.31001.4500.7715.426
76-100%....0.771......0.771
total1.450..49.0826.71023.01116.014116.25
upper montane< 1%....6.7231.0581.4501.45010.618
1-9%1.4500.77121.3135.5245.32514.31548.58
10-25%1.1580.77124.8125.8243.9307.82144.29
26-50%1.8450.77116.0152.4372.1416.72329.711
51-75%1.450..7.1220.7711.1581.84512.117
76-100%1.450..2.8350.3100..0.41005.027
total7.2222.14178.8615.71413.81532.410150.04
lower montane< 1%0.7710.41001.4500.31000.41000.41003.532
1-9%3.2331.15810.3182.4371.8449.31928.011
10-25%6.1242.14112.1171.4501.8444.32927.711
26-50%4.0303.9309.6192.4371.1581.45022.312
51-75%2.2413.2334.3290.3100..0.410010.318
76-100%2.9350.7714.329....0.41008.221
total19.11311.31741.896.8225.02616.014100.16
colline/submontane< 1%..........2.1412.141
1-9%2.5382.1413.2332.7350.410013.81524.812
10-25%4.0304.2296.4231.7440.77111.41728.411
26-50%1.8453.2335.3261.058..3.93015.215
51-75%1.1583.2331.8450.7710.41000.41007.422
76-100%1.1581.8451.158....0.7714.628
total10.41814.51517.7146.2231.45032.3982.66
total< 1%0.7710.410011.7174.4276.0246.12429.311
1-9%8.3203.93055.7728.41020.51250.27166.94
10-25%11.5177.12260.7719.21217.01328.210143.65
26-50%7.6217.82135.51011.3177.82114.21584.16
51-75%4.7276.42316.0152.1412.8353.23335.210
76-100%5.4252.5388.9200.3100..1.45018.514
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171106/157489

NFI4b

forest area: altitudinal vegetation zone · biogeographical region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine....1.84512.71614.01512.31640.89
lower subalpine1.450..56.8730.1928.21024.311140.95
upper montane7.6212.14188.4617.81318.71340.28174.84
lower montane19.41311.31745.787.2215.32519.213108.35
colline/submontane10.81814.51518.4146.2231.84536.3987.96
total39.3927.911211.2374.0468.05132.33552.72

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171107/157490

NFI2

forest area: altitudinal vegetation zone · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a............
< 1%........0.41000.4100
1-9%..0.4100......0.4100
10-25%......0.41000.41000.771
26-50%......0.41000.7711.158
51-75%............
76-100%........0.41000.4100
total..0.4100..0.7711.8452.935
Eastern Juran/a............
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%........0.41000.4100
total........0.41000.4100
Western Plateaun/a............
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateaun/a............
< 1%............
1-9%............
10-25%............
26-50%........0.31000.3100
51-75%............
76-100%............
total........0.31000.3100
Eastern Plateaun/a............
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alpsn/a............
< 1%............
1-9%............
10-25%....0.4100....0.4100
26-50%............
51-75%............
76-100%............
total....0.4100....0.4100
Central Pre-Alpsn/a............
< 1%............
1-9%..0.4100......0.4100
10-25%....0.4100....0.4100
26-50%......0.4100..0.4100
51-75%............
76-100%........0.41000.4100
total..0.41000.41000.41000.41001.450
Eastern Pre-Alpsn/a............
< 1%............
1-9%............
10-25%........0.41000.4100
26-50%........0.41000.4100
51-75%......0.4100..0.4100
76-100%............
total......0.41000.7711.157
Northwestern Alpsn/a............
< 1%............
1-9%..0.41000.41000.7710.41001.844
10-25%..0.41000.41000.7710.41001.844
26-50%............
51-75%....0.4100..0.41000.771
76-100%............
total..0.7711.1571.4501.1574.328
Central Alpsn/a............
< 1%............
1-9%..0.31001.4490.3100..2.140
10-25%..0.3100..0.3100..0.770
26-50%..0.3100....0.31000.770
51-75%............
76-100%............
total..1.0571.4490.7700.31003.430
Northeastern Alpsn/a............
< 1%......0.4100..0.4100
1-9%....0.41000.770..1.157
10-25%....0.41001.157..1.449
26-50%............
51-75%............
76-100%....0.4100....0.4100
total....1.1572.140..3.232
Southwestern Alpsn/a..0.4100......0.4100
< 1%..0.771......0.771
1-9%0.7710.7710.3100..1.0582.735
10-25%..0.31000.31000.3100..1.058
26-50%..1.0580.771..0.31002.141
51-75%..0.3100..0.31000.31001.058
76-100%......0.3100..0.3100
total0.7713.4311.4501.0581.7448.220
Southeastern Alpsn/a............
< 1%......0.771..0.771
1-9%....1.158....1.158
10-25%....0.4100....0.4100
26-50%............
51-75%............
76-100%............
total....1.4500.771..2.141
Southern Alpsn/a......0.4100..0.4100
< 1%........0.41000.4100
1-9%..0.41001.1580.4100..1.845
10-25%....1.450..2.5383.930
26-50%..0.41000.7710.41001.4502.835
51-75%......0.41000.7711.158
76-100%............
total..0.7713.2331.4505.02610.318
Switzerlandn/a..0.4100..0.4100..0.771
< 1%..0.771..1.1580.7712.538
1-9%0.7712.5384.6282.1411.45011.218
10-25%..1.0583.6322.8353.63111.018
26-50%..1.7451.4501.1583.5327.721
51-75%..0.31000.41001.1581.4503.233
76-100%....0.41000.31001.1581.845
total0.7716.62310.2188.82011.61738.09

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171108/157491

NFI4b

forest area: altitudinal vegetation zone · production region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %±
upper subalpine....0.90.511.11.29.51.57.40.7
lower subalpine3.81.8..20.62.236.41.818.72.025.41.1
upper montane18.93.85.83.342.92.731.41.729.32.431.61.2
lower montane48.14.838.56.825.22.413.81.314.51.819.61.0
colline/submontane29.34.455.76.910.41.77.31.027.92.315.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171109/157492

NFI4b

forest area: altitudinal vegetation zone · production region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine....1.15827.41112.31640.89
lower subalpine1.550..24.11290.2624.211140.05
upper montane7.3221.15850.5877.6637.99174.34
lower montane18.6137.02229.61034.31018.813108.35
colline/submontane11.31710.21812.31718.01436.1987.86
total38.7918.313117.54247.43129.23551.12

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171110/157493

NFI4b

forest area: altitudinal vegetation zone · protection forest region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine..1.845..12.71613.91512.31640.79
lower subalpine1.45034.6916.21434.0930.51024.211140.95
upper montane8.22148.3832.0920.61227.41037.99174.44
lower montane25.41221.61225.2117.9208.82018.813107.75
colline/submontane21.5139.4199.7187.2213.93036.1987.66
total56.57115.8483.0582.3484.55129.23551.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171111/157494

NFI4b

forest area: altitudinal vegetation zone · economic region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region %± %± %± %± %± %±
Western Jura..4.42.121.84.350.05.223.94.4100.0.
Eastern Jura......35.712.864.312.8100.0.
Western Plateau....8.48.157.814.333.713.7100.0.
Central Plateau....5.25.143.110.351.710.4100.0.
Eastern Plateau....5.95.717.69.376.510.3100.0.
Western Pre-Alps2.71.930.65.348.15.89.43.49.33.4100.0.
Central Pre-Alps0.70.721.53.542.24.327.43.88.12.4100.0.
Eastern Pre-Alps..12.93.140.54.632.84.413.83.2100.0.
Northwestern Alps1.81.339.64.737.04.614.43.37.22.5100.0.
Central Alps..28.96.338.66.817.25.215.35.0100.0.
Northeastern Alps..21.54.935.75.737.15.85.72.8100.0.
Southwestern Alps15.52.341.33.225.02.89.61.98.71.8100.0.
Southeastern Alps16.52.436.13.132.53.010.42.04.61.4100.0.
Southern Alps9.51.518.72.029.32.414.51.827.92.3100.0.
Switzerland7.40.625.41.131.71.219.61.015.90.9100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #171112/157495
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