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NFI1

forest area: altitudinal vegetation zone · 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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine....0.410021.8126.42328.511
lower subalpine1.550..22.31275.7616.014115.55
upper montane6.9230.77146.9864.0731.110149.64
lower montane18.3147.02228.81030.41015.614100.26
colline/submontane11.01810.21812.31716.91432.2982.56
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169407/155790

NFI1

forest area: altitudinal vegetation zone · 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 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %± %±
upper subalpine..1.00.6..14.22.416.02.66.31.46.00.6
lower subalpine2.61.329.02.617.82.740.63.437.13.515.82.224.41.2
upper montane13.62.842.02.937.53.425.03.030.43.330.82.731.41.3
lower montane45.54.019.32.332.13.310.42.111.42.315.42.120.91.1
colline/submontane38.33.98.71.612.62.39.92.15.21.631.82.817.31.0
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 #169408/155791

NFI3

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalless than 1%................3.43.4....1.51.5....0.80.6
1-4%............5.35.1..3.43.4....1.41.42.32.22.92.81.90.9
5-9%......................1.41.4..2.92.80.80.5
10-25%............5.35.1..3.43.4..5.95.7......1.20.7
26-50%......................1.41.44.53.1..1.20.7
51-75%..............................
76-100%..............................
total............10.57.1..10.35.7..5.95.75.72.86.83.85.73.95.81.5
less stableless than 1%..................7.16.95.95.71.41.46.83.8..2.30.9
1-4%7.77.4..........21.19.4..17.27.021.411.05.95.75.62.76.83.88.64.79.31.8
5-9%..........25.115.421.19.4..13.86.47.16.95.95.711.33.84.53.15.73.99.31.8
10-25%7.77.4..........10.57.1..20.77.521.411.011.87.815.54.311.44.811.55.413.12.1
26-50%..........25.115.4....6.94.77.16.9..5.62.74.53.15.73.95.01.4
51-75%................3.43.4....2.82.0....1.10.7
76-100%..............................
total15.310.0........50.317.752.611.5..62.19.064.312.829.411.142.25.934.17.231.57.940.33.0
stableless than 1%23.011.7............25.015.3..7.16.95.95.7..6.83.82.92.84.31.3
1-4%23.311.8..........5.35.112.511.710.35.77.16.917.69.37.03.011.44.811.55.410.11.9
5-9%..........25.115.45.35.125.015.36.94.7..11.87.818.34.62.32.220.06.811.62.0
10-25%23.011.7........12.011.215.88.412.511.73.43.414.39.45.95.722.55.027.36.714.35.917.32.3
26-50%15.310.0........12.611.810.57.1..6.94.77.16.911.87.82.82.09.14.311.45.47.81.7
51-75%..............25.015.3....11.87.81.41.42.32.22.92.82.71.0
76-100%..............................
total84.710.0........49.717.736.811.1100.0.27.68.335.712.964.711.652.15.959.17.462.88.253.93.1
totalless than 1%23.011.7............25.015.33.43.414.39.411.87.82.92.013.65.22.92.87.41.6
1-4%31.012.9..........31.610.712.511.731.08.628.612.123.510.314.14.120.56.122.97.121.42.6
5-9%..........50.317.726.310.125.015.320.77.57.16.917.69.331.05.56.83.828.57.621.72.6
10-25%30.712.8........12.011.231.610.712.511.727.68.335.712.923.510.338.05.838.67.325.87.431.62.9
26-50%15.310.0........37.717.210.57.1..13.86.414.39.411.87.89.93.518.25.817.16.414.02.2
51-75%..............25.015.33.43.4..11.87.84.22.42.32.22.92.83.91.2
76-100%..............................
total100.0.........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 #169409/155792

NFI1

forest area: altitudinal vegetation zone · 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 1983/85
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..1.158..10.31810.9176.42328.711
lower subalpine1.45031.41012.61629.51025.31116.014116.25
upper montane7.52245.4826.61018.21320.71231.110149.64
lower montane25.01220.91322.8117.5217.72115.61499.66
colline/submontane21.1139.4199.0197.2213.53132.2982.36
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169410/155793

NFI3

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
stand stability
criticalless stablestabletotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%....1.1581.158
1-4%..0.41001.1581.450
5-9%........
10-25%..0.41001.1581.450
26-50%....0.7710.771
51-75%........
76-100%........
total..0.7713.9304.627
Eastern Juraless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Western Plateauless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Central Plateauless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Eastern Plateauless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Western Pre-Alpsless than 1%........
1-4%........
5-9%..0.7700.7701.549
10-25%....0.41000.4100
26-50%..0.7700.41001.157
51-75%........
76-100%........
total..1.5491.5502.935
Central Pre-Alpsless than 1%........
1-4%0.41001.4500.41002.240
5-9%..1.4500.41001.844
10-25%0.41000.7711.1582.240
26-50%....0.7710.771
51-75%........
76-100%........
total0.7713.6312.5376.822
Eastern Pre-Alpsless than 1%....0.7710.771
1-4%....0.41000.4100
5-9%....0.7710.771
10-25%....0.41000.4100
26-50%........
51-75%....0.7710.771
76-100%........
total....2.9352.935
Northwestern Alpsless than 1%0.4100....0.4100
1-4%0.41001.8441.1573.233
5-9%..1.4500.7712.140
10-25%0.41002.1400.41002.935
26-50%..0.7710.7711.450
51-75%..0.4100..0.4100
76-100%........
total1.1576.4232.93510.417
Central Alpsless than 1%..0.31000.31000.770
1-4%..1.0570.31001.449
5-9%..0.3100..0.3100
10-25%..1.0570.7701.744
26-50%..0.31000.31000.770
51-75%........
76-100%........
total..3.1321.7444.825
Northeastern Alpsless than 1%..0.41000.41000.770
1-4%..0.41001.1571.449
5-9%..0.41000.7701.157
10-25%0.41000.7700.41001.449
26-50%....0.7700.770
51-75%....0.7700.770
76-100%........
total0.41001.8443.9296.122
Southwestern Alpsless than 1%0.41000.3100..0.771
1-4%0.31001.4501.7443.431
5-9%0.31002.7354.5277.521
10-25%..3.8305.5259.319
26-50%0.31001.4500.7712.437
51-75%..0.7710.31001.058
76-100%........
total1.45010.31812.71624.411
Southeastern Alpsless than 1%..1.1581.1582.141
1-4%0.41001.1581.8453.233
5-9%..0.7710.41001.158
10-25%..1.8454.2286.024
26-50%0.7710.7711.4502.835
51-75%....0.41000.4100
76-100%........
total1.1585.3259.11915.514
Southern Alpsless than 1%....0.41000.4100
1-4%0.41001.1581.4502.835
5-9%0.41000.7712.5383.531
10-25%..1.4501.8453.233
26-50%..0.7711.4502.141
51-75%....0.41000.4100
76-100%........
total0.7713.9307.82112.416
Switzerlandless than 1%0.7712.1413.9306.723
1-4%1.8458.5209.22019.413
5-9%0.7718.52010.51819.713
10-25%1.15811.91715.71528.711
26-50%1.0584.6287.12212.717
51-75%..1.0582.5383.532
76-100%........
total5.32636.61048.9890.86

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169411/155794

NFI1

forest area: altitudinal vegetation zone · 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 1983/85
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region %± %± %± %± %± %±
Western Jura..4.52.221.44.450.55.323.64.5100.0.
Eastern Jura......35.712.864.312.8100.0.
Western Plateau....8.48.157.814.333.713.7100.0.
Central Plateau......45.510.654.510.6100.0.
Eastern Plateau....5.95.717.69.376.510.3100.0.
Western Pre-Alps..29.45.550.06.110.33.710.23.7100.0.
Central Pre-Alps0.80.820.93.641.94.427.94.08.52.5100.0.
Eastern Pre-Alps..13.63.338.24.633.64.514.53.4100.0.
Northwestern Alps1.91.438.84.836.94.814.63.57.82.6100.0.
Central Alps..27.07.335.37.921.66.816.26.1100.0.
Northeastern Alps..19.05.237.96.436.26.36.93.3100.0.
Southwestern Alps14.22.440.63.425.03.010.42.19.92.1100.0.
Southeastern Alps16.02.637.13.530.43.311.42.35.21.6100.0.
Southern Alps6.31.415.82.230.82.715.42.131.82.8100.0.
Switzerland6.00.624.31.131.51.321.01.117.31.0100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #169412/155795

NFI1

forest area: altitudinal vegetation zone · 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 1983/85
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura..1.4506.82316.0147.52131.810
Eastern Jura......2.0443.6325.525
Western Plateau....0.41002.8371.6494.928
Central Plateau......3.1313.7286.820
Eastern Plateau....0.41001.1584.6276.124
Western Pre-Alps..7.42112.6152.6372.63725.29
Central Pre-Alps0.41009.71819.41212.9163.93046.37
Eastern Pre-Alps..5.42515.01413.2155.72439.37
Northwestern Alps0.77114.31413.6155.4252.93536.87
Central Alps..3.4304.5262.7342.14012.713
Northeastern Alps..3.9297.9197.5201.44920.810
Southwestern Alps10.31829.51018.2137.5217.22172.75
Southeastern Alps10.91725.31120.7127.7213.53168.25
Southern Alps6.42316.01431.11015.61432.29101.34
Switzerland28.711116.35150.54100.2682.56478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169413/155796

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending....1.01.0..2.72.7..0.80.5
thinning..............
establishment cut....1.01.0......0.40.4
removal cut......1.51.5....0.40.4
plentering15.410.0..........0.80.6
thinning of mountain forest....1.91.3....2.72.71.20.7
coppice cut..............
conversion..............
transformation..............
sanitary felling....1.01.0......0.40.4
plentering in broadleaf forest..............
tending of forest edge..............
planting....1.01.0......0.40.4
agrosilvicultural treatments..............
total15.410.0..5.82.31.51.52.72.72.72.74.31.3
2-5 yearsno treatment..............
tending....1.01.01.51.5....0.80.5
thinning....6.82.5......2.71.0
establishment cut....3.81.9......1.60.8
removal cut..........2.72.70.40.4
plentering7.77.4..........0.40.4
thinning of mountain forest....1.01.03.02.15.43.72.72.72.30.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting....1.01.0......0.40.4
agrosilvicultural treatments........2.72.7..0.40.4
total7.77.4..13.53.44.52.58.14.55.43.79.01.8
6-10 yearsno treatment..............
tending....1.91.31.51.5....1.20.7
thinning7.77.4..5.82.31.51.5....3.11.1
establishment cut15.410.0..2.91.61.51.510.85.12.72.74.31.3
removal cut......1.51.5....0.40.4
plentering....1.01.0......0.40.4
thinning of mountain forest....4.82.110.43.713.55.610.85.18.11.7
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total23.011.7..16.33.616.44.524.37.113.55.617.42.4
11-20 yearsno treatment..............
tending........2.72.7..0.40.4
thinning....2.91.61.51.55.43.7..2.30.9
establishment cut....6.72.56.02.92.72.7..4.61.3
removal cut....1.01.0....5.43.71.20.7
plentering....1.01.01.51.5....0.80.5
thinning of mountain forest....8.72.820.95.013.55.610.85.112.32.0
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total....20.23.929.85.624.37.116.26.121.62.6
> 20 yearsno treatment53.913.8..44.24.947.86.140.58.162.28.047.73.1
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..............
total53.913.8..44.24.947.86.140.58.162.28.047.73.1
totalno treatment53.913.8..44.24.947.86.140.58.162.28.047.73.1
tending....3.81.93.02.15.43.7..3.11.1
thinning7.77.4..15.43.53.02.15.43.7..8.21.7
establishment cut15.410.0..14.43.47.53.213.55.62.72.710.91.9
removal cut....1.01.03.02.1..8.14.52.30.9
plentering23.011.7..1.91.31.51.5....2.30.9
thinning of mountain forest....16.33.634.35.832.47.727.07.323.92.6
coppice cut..............
conversion..............
transformation..............
sanitary felling....1.01.0......0.40.4
plentering in broadleaf forest..............
tending of forest edge..............
planting....1.91.3......0.80.6
agrosilvicultural treatments........2.72.7..0.40.4
total100.0...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 #169414/155797

NFI1

forest area: slope (20% classes) · 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 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %± %±
to 20%1.91.312.73.75.81.00.50.52.61.31.00.63.80.5
21-40 %97.214.987.316.389.87.194.311.694.812.690.79.591.64.4
over 100%0.90.9..4.30.95.21.62.61.38.21.64.60.6
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 #169415/155798

NFI1

forest area: slope (20% classes) · 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 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%0.7713.53111.0180.31001.4501.15818.114
21-40 %37.110924.4130169.33761.96351.27593.751437.623
over 100%0.4100..8.2213.4311.4508.52021.813
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169416/155799

NFI3

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: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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..............
tending....0.4100..0.4100..0.771
thinning..............
establishment cut....0.4100......0.4100
removal cut......0.3100....0.3100
plentering0.771..........0.771
thinning of mountain forest....0.771....0.41001.158
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.4100......0.4100
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.4100......0.4100
agrosilvicultural treatments..............
total0.771..2.1410.31000.41000.41003.930
2-5 yearsno treatment..............
tending....0.41000.3100....0.771
thinning....2.538......2.538
establishment cut....1.450......1.450
removal cut..........0.41000.4100
plentering0.4100..........0.4100
thinning of mountain forest....0.41000.7710.7710.41002.141
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.4100......0.4100
agrosilvicultural treatments........0.4100..0.4100
total0.4100..5.0271.0581.1580.7718.121
6-10 yearsno treatment..............
tending....0.7710.3100....1.158
thinning0.4100..2.1410.3100....2.835
establishment cut0.771..1.1580.31001.4500.41003.930
removal cut......0.3100....0.3100
plentering....0.4100......0.4100
thinning of mountain forest....1.8452.4371.8441.4507.422
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total1.158..6.0243.8303.2331.84515.815
11-20 yearsno treatment..............
tending........0.4100..0.4100
thinning....1.1580.31000.771..2.141
establishment cut....2.5381.4500.4100..4.229
removal cut....0.4100....0.7711.158
plentering....0.41000.3100....0.771
thinning of mountain forest....3.2334.8261.8441.45011.217
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total....7.4226.8223.2332.14119.613
> 20 yearsno treatment2.538..16.31411.0175.3258.22043.39
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..............
total2.538..16.31411.0175.3258.22043.39
totalno treatment2.538..16.31411.0175.3258.22043.39
tending....1.4500.7710.771..2.835
thinning0.4100..5.7250.7710.771..7.422
establishment cut0.771..5.3261.7441.8440.41009.919
removal cut....0.41000.771..1.1582.141
plentering1.158..0.7710.3100....2.141
thinning of mountain forest....6.0247.9204.2283.63121.712
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.4100......0.4100
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.771......0.771
agrosilvicultural treatments........0.4100..0.4100
total4.727..36.9922.91113.11613.21690.86

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169417/155800

NFI1

forest area: slope (20% classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
slope (20% classes)
to 20%21-40 %over 100%total
canton %± %± %± %±
AG..100.082.0..100.0.
AI10.09.880.048.310.09.8100.0.
AR10.09.790.040.5..100.0.
BE4.61.491.310.94.11.3100.0.
BL/BS10.09.690.043.0..100.0.
FR15.65.482.221.32.22.2100.0.
GE........
GL3.83.892.326.03.83.8100.0.
GR2.00.992.89.75.21.4100.0.
JU..100.027.5..100.0.
LU13.67.386.431.8..100.0.
NE..100.036.5..100.0.
NW..85.750.014.313.5100.0.
OW7.75.388.530.03.83.8100.0.
SG6.02.690.517.93.62.0100.0.
SH..100.0...100.0.
SO16.715.383.365.2..100.0.
SZ7.54.290.025.82.52.5100.0.
TG10.09.590.031.5..100.0.
TI1.30.891.310.87.41.7100.0.
UR4.03.988.826.67.14.9100.0.
VD7.43.688.921.73.72.6100.0.
VS0.50.594.811.14.71.5100.0.
ZG11.110.888.930.4..100.0.
ZH..100.050.1..100.0.
Switzerland3.80.591.64.44.60.6100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #169418/155801

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearno treatment....................................................
tending............................10.09.5..........11.110.5........0.80.5
thinning....................................................
establishment cut..........................................10.09.5......0.40.4
removal cut............................................1.41.4....0.40.4
plentering......................66.727.3..........................0.70.5
thinning of mountain forest......4.93.4........1.81.8................................1.10.7
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling..........................20.018.1......................0.40.4
plentering in broadleaf forest....................................................
tending of forest edge....................................................
planting......2.42.4..........................................0.40.4
agrosilvicultural treatments....................................................
total......7.34.1........1.81.8....66.727.3..20.018.110.09.5..........11.110.510.09.51.41.4....4.21.2
2-5 yearsno treatment....................................................
tending..........33.327.3................................1.41.4....0.80.6
thinning......7.54.1..33.327.3..10.09.6....50.035.5......10.09.5....................2.71.0
establishment cut....................50.035.5............16.715.3....11.110.510.09.5......1.50.8
removal cut................1.81.8................................0.40.4
plentering......................33.327.4..........................0.40.4
thinning of mountain forest................5.43.0................16.715.3........2.82.0....2.30.9
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling....................................................
plentering in broadleaf forest....................................................
tending of forest edge....................................................
planting......2.42.4..........................................0.40.4
agrosilvicultural treatments................1.81.8................................0.40.4
total......9.94.7..66.727.3..10.09.68.93.8..100.0.33.327.4....10.09.5....33.319.3....11.110.510.09.54.22.4....8.91.8
6-10 yearsno treatment....................................................
tending..............10.09.6..........................10.09.51.41.4....1.20.7
thinning......4.93.4......20.012.8..........20.018.120.012.7..............1.41.4....3.21.1
establishment cut......2.42.4........10.74.1................33.319.3......10.09.51.41.4....4.31.3
removal cut............................................1.41.4....0.40.4
plentering........................................11.110.5........0.40.4
thinning of mountain forest......7.34.1........10.74.1..........10.09.5........13.07.0....11.33.8....8.11.7
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling....................................................
plentering in broadleaf forest....................................................
tending of forest edge....................................................
planting....................................................
agrosilvicultural treatments....................................................
total......14.65.5......30.014.621.45.5........20.018.130.014.5....33.319.3..13.07.011.110.520.012.716.94.4....17.52.4
11-20 yearsno treatment....................................................
tending................1.81.8................................0.40.4
thinning......7.34.1........3.62.5..........................1.41.4....2.30.9
establishment cut....100.0.2.42.4..33.327.3....3.62.5......33.327.8........16.715.3......10.09.55.62.7....4.71.3
removal cut......................................8.75.9....1.41.4....1.20.7
plentering............................................2.82.0....0.80.5
thinning of mountain forest......14.65.5......10.09.612.54.4....................8.75.9..20.012.719.74.7....12.32.0
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling....................................................
plentering in broadleaf forest....................................................
tending of forest edge....................................................
planting....................................................
agrosilvicultural treatments....................................................
total....100.0.24.36.7..33.327.3..10.09.621.45.5......33.327.8........16.715.3..17.47.9..30.014.531.05.5....21.62.6
> 20 yearsno treatment..100.0...43.97.8......50.016.046.56.7100.0.....66.727.760.022.150.015.8....16.715.3..69.69.666.715.830.014.546.55.9....47.83.1
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....................................................
total..100.0...43.97.8......50.016.046.56.7100.0.....66.727.760.022.150.015.8....16.715.3..69.69.666.715.830.014.546.55.9....47.83.1
totalno treatment..100.0...43.97.8......50.016.046.56.7100.0.....66.727.760.022.150.015.8....16.715.3..69.69.666.715.830.014.546.55.9....47.83.1
tending..........33.327.3..10.09.61.81.8..........10.09.5..........11.110.510.09.52.82.0....3.21.1
thinning......19.66.2..33.327.3..30.014.63.62.5..50.035.5....20.018.130.014.5..............2.82.0....8.21.7
establishment cut....100.0.4.93.4..33.327.3....14.34.7..50.035.5..33.327.8........66.719.3....11.110.540.015.57.03.0....10.91.9
removal cut................1.81.8....................8.75.9....4.22.4....2.30.9
plentering......................100.0.................11.110.5..2.82.0....2.20.9
thinning of mountain forest......26.76.9......10.09.630.36.1..........10.09.5....16.715.3..21.78.6..20.012.733.85.6....23.92.6
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling..........................20.018.1......................0.40.4
plentering in broadleaf forest....................................................
tending of forest edge....................................................
planting......4.93.4..........................................0.80.5
agrosilvicultural treatments................1.81.8................................0.40.4
total..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 #169419/155802

NFI1

forest area: slope (20% classes) · 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 1983/85
slope (20% classes)
to 20%21-40 %over 100%total
canton1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG..1.2300..1.257
AI0.31002.63140.31003.221
AR0.31002.9196..3.225
BE3.43168.5603.13375.05
BL/BS0.41003.7175..4.129
FR2.63713.81640.410016.812
GE........
GL0.41009.21060.410010.014
GR1.74581.3604.52787.65
JU..11.7199..11.715
LU0.9576.0230..6.920
NE..4.5143..4.525
NW..2.32240.41002.732
OW0.7708.62070.41009.714
SG1.84427.5911.15730.48
SH..0.770..0.770
SO0.41001.9370..2.340
SZ1.15713.01360.410014.512
TG0.31002.792..3.030
TI1.15874.9566.02482.04
UR0.41008.32200.7709.315
VD1.55018.21220.87120.512
VS0.310068.9593.43172.75
ZG0.41003.4100..3.921
ZH..1.4141..1.449
Switzerland18.214437.12321.813477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169420/155803

NFI1

forest area: slope (20% classes) · 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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %±
to 20%2.91.715.75.18.81.61.70.51.00.63.80.5
21-40 %96.115.184.319.587.38.994.26.590.69.591.64.4
over 100%1.01.0..3.91.14.10.88.31.64.60.6
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 #169421/155804

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGno treatment............
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............
total............
AIno treatment........1.0541.054
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............
total........1.0541.054
ARno treatment............
tending............
thinning............
establishment cut......0.3100..0.3100
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total......0.3100..0.3100
BEno treatment........6.2236.223
tending............
thinning..1.0580.7711.058..2.835
establishment cut....0.31000.3100..0.771
removal cut............
plentering............
thinning of mountain forest0.771..1.0582.141..3.830
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting0.31000.3100......0.771
agrosilvicultural treatments............
total1.0581.4502.1413.4316.22314.115
BL/BSno treatment............
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............
total............
FRno treatment............
tending..0.4100......0.4100
thinning..0.4100......0.4100
establishment cut......0.4100..0.4100
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.770..0.4100..1.157
GEno treatment............
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............
total............
GLno treatment........1.9431.943
tending....0.4100....0.4100
thinning..0.41000.870....1.257
establishment cut............
removal cut............
plentering............
thinning of mountain forest......0.4100..0.4100
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.41001.2570.41001.9433.929
GRno treatment........9.1199.119
tending......0.3100..0.3100
thinning......0.771..0.771
establishment cut....2.1410.771..2.835
removal cut..0.3100......0.3100
plentering............
thinning of mountain forest0.31001.0582.1412.438..5.924
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments..0.3100......0.3100
total0.31001.7454.2294.2299.11919.613
JUno treatment........0.8700.870
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............
total........0.8700.870
LUno treatment............
tending............
thinning..0.3100......0.3100
establishment cut..0.3100......0.3100
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.670......0.670
NEno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering0.6700.3100......1.057
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.6700.3100......1.057
NWno treatment........0.8690.869
tending............
thinning............
establishment cut......0.4100..0.4100
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total......0.41000.8691.255
OWno treatment........1.1571.157
tending............
thinning....0.4100....0.4100
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.4100..0.4100..1.1571.943
SGno treatment........1.8441.844
tending0.4100........0.4100
thinning..0.41000.770....1.157
establishment cut............
removal cut............
plentering............
thinning of mountain forest....0.4100....0.4100
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.41001.157..1.8443.631
SHno treatment............
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............
total............
SOno treatment............
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............
total............
SZno treatment........0.41000.4100
tending............
thinning............
establishment cut..0.41000.7700.4100..1.449
removal cut............
plentering............
thinning of mountain forest..0.4100......0.4100
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.7700.7700.41000.41002.240
TGno treatment............
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............
total............
TIno treatment........5.7255.725
tending............
thinning............
establishment cut............
removal cut......0.771..0.771
plentering............
thinning of mountain forest....1.1580.771..1.844
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total....1.1581.4505.7258.320
URno treatment........2.0392.039
tending0.3100........0.3100
thinning............
establishment cut..0.3100......0.3100
removal cut............
plentering....0.3100....0.3100
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.31000.31000.3100..2.0393.031
VDno treatment........1.1581.158
tending....0.4100....0.4100
thinning............
establishment cut0.41000.41000.41000.4100..1.550
removal cut............
plentering............
thinning of mountain forest......0.871..0.871
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.41000.8711.1581.1583.831
VSno treatment........11.31711.317
tending..0.31000.3100....0.771
thinning....0.31000.3100..0.771
establishment cut....0.31001.450..1.744
removal cut0.3100..0.31000.3100..1.058
plentering......0.771..0.771
thinning of mountain forest..0.7712.7354.826..8.220
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.31001.0584.1287.52111.31724.411
ZGno treatment............
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............
total............
ZHno treatment............
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............
total............
Switzerlandno treatment........43.2943.29
tending0.7710.7711.1580.3100..2.935
thinning..2.5382.9352.141..7.422
establishment cut0.41001.4503.9304.229..9.919
removal cut0.31000.31000.31001.158..2.141
plentering0.6700.31000.31000.771..2.041
thinning of mountain forest1.0582.1417.32211.218..21.612
coppice cut............
conversion............
transformation............
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge............
planting0.31000.3100......0.771
agrosilvicultural treatments..0.3100......0.3100
total3.8308.02115.91519.51343.2990.46

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169422/155805

NFI1

forest area: slope (20% classes) · 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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%1.1582.8359.7193.5321.15818.214
21-40 %36.111115.119196.653196.83691.851436.423
over 100%0.4100..4.3298.6208.42021.813
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169423/155806

NFI3

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: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %±
0-1 yearno treatment............
tending....2.92.80.60.6..0.80.6
thinning............
establishment cut......0.60.6..0.40.4
removal cut......0.60.6..0.40.4
plentering15.410.0........0.80.6
thinning of mountain forest....2.92.80.60.62.92.81.20.7
coppice cut............
conversion............
transformation............
sanitary felling....2.92.8....0.40.4
plentering in broadleaf forest............
tending of forest edge............
planting......0.60.6..0.40.4
agrosilvicultural treatments............
total15.410.0..8.64.72.91.32.92.84.31.3
2-5 yearsno treatment............
tending....2.92.80.60.6..0.80.6
thinning....8.54.72.31.1..2.71.0
establishment cut....2.92.81.71.0..1.50.8
removal cut........2.92.80.40.4
plentering7.77.4........0.40.4
thinning of mountain forest......2.91.32.92.82.30.9
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting......0.60.6..0.40.4
agrosilvicultural treatments......0.60.6..0.40.4
total7.77.4..14.35.98.62.15.73.98.91.8
6-10 yearsno treatment............
tending......1.71.0..1.10.7
thinning7.77.4..8.64.72.31.1..3.11.1
establishment cut15.410.0..2.92.84.01.52.92.84.31.3
removal cut......0.60.6..0.40.4
plentering......0.60.6..0.40.4
thinning of mountain forest......9.72.211.45.48.11.7
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total23.111.7..11.45.418.93.014.35.917.42.4
11-20 yearsno treatment............
tending......0.60.6..0.40.4
thinning......3.41.4..2.30.9
establishment cut....8.64.75.11.7..4.61.3
removal cut......0.60.65.73.91.20.7
plentering......1.10.8..0.80.5
thinning of mountain forest....11.45.414.32.68.64.712.32.0
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total....20.06.825.13.314.35.921.62.6
> 20 yearsno treatment53.813.8..45.78.444.63.862.98.247.83.1
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............
total53.813.8..45.78.444.63.862.98.247.83.1
totalno treatment53.813.8..45.78.444.63.862.98.247.83.1
tending....5.73.93.41.4..3.11.1
thinning7.77.4..17.16.48.02.1..8.21.7
establishment cut15.410.0..14.35.911.42.42.92.810.91.9
removal cut......1.71.08.64.72.30.9
plentering23.111.7....1.71.0..2.41.0
thinning of mountain forest....14.35.927.43.425.77.423.92.6
coppice cut............
conversion............
transformation............
sanitary felling....2.92.8....0.40.4
plentering in broadleaf forest............
tending of forest edge............
planting......1.10.8..0.80.5
agrosilvicultural treatments......0.60.6..0.40.4
total100.0...100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169424/155807

NFI1

forest area: slope (20% classes) · 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 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %± %±
to 20%7.12.16.31.45.91.60.50.52.61.11.00.63.80.5
21-40 %92.212.189.39.390.311.594.811.194.311.290.69.591.64.4
over 100%0.60.64.31.23.91.34.71.53.11.28.31.64.60.6
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 #169425/155808

NFI1

forest area: slope (20% classes) · 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 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%3.9306.9234.2290.31001.8451.15818.114
21-40 %50.89596.65064.05868.95964.36691.851436.523
over 100%0.41004.7272.8353.4312.1418.42021.813
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169426/155809

NFI3

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: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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....0.41000.3100..0.771
thinning............
establishment cut......0.3100..0.3100
removal cut......0.3100..0.3100
plentering0.771........0.771
thinning of mountain forest....0.41000.31000.41001.158
coppice cut............
conversion............
transformation............
sanitary felling....0.4100....0.4100
plentering in broadleaf forest............
tending of forest edge............
planting......0.3100..0.3100
agrosilvicultural treatments............
total0.771..1.1581.7450.41003.930
2-5 yearsno treatment............
tending....0.41000.3100..0.771
thinning....1.1581.450..2.538
establishment cut....0.41001.058..1.450
removal cut........0.41000.4100
plentering0.4100........0.4100
thinning of mountain forest......1.7450.41002.141
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting......0.3100..0.3100
agrosilvicultural treatments......0.3100..0.3100
total0.4100..1.8455.2260.7718.121
6-10 yearsno treatment............
tending......1.058..1.058
thinning0.4100..1.1581.450..2.835
establishment cut0.771..0.41002.4380.41003.930
removal cut......0.3100..0.3100
plentering......0.3100..0.3100
thinning of mountain forest......5.9241.4507.322
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.158..1.45011.4171.84515.715
11-20 yearsno treatment............
tending......0.3100..0.3100
thinning......2.141..2.141
establishment cut....1.1583.133..4.229
removal cut......0.31000.7711.158
plentering......0.771..0.771
thinning of mountain forest....1.4508.6201.15811.118
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total....2.53815.2151.84519.513
> 20 yearsno treatment2.638..5.82527.0117.82143.19
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............
total2.638..5.82527.0117.82143.19
totalno treatment2.638..5.82527.0117.82143.19
tending....0.7712.141..2.835
thinning0.4100..2.2414.827..7.422
establishment cut0.771..1.8456.9220.41009.819
removal cut......1.0581.1582.141
plentering1.158....1.058..2.141
thinning of mountain forest....1.84516.6143.23321.612
coppice cut............
conversion............
transformation............
sanitary felling....0.4100....0.4100
plentering in broadleaf forest............
tending of forest edge............
planting......0.771..0.771
agrosilvicultural treatments......0.3100..0.3100
total4.727..12.61660.5712.41690.36

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169427/155810

NFI1

forest area: slope (20% classes) · 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 1983/85
slope (20% classes)
to 20%21-40 %over 100%total
economic region %± %± %± %±
Western Jura2.21.696.616.51.11.1100.0.
Eastern Jura7.16.992.933.6..100.0.
Western Plateau42.214.357.826.1..100.0.
Central Plateau4.54.595.529.1..100.0.
Eastern Plateau11.87.888.229.6..100.0.
Western Pre-Alps7.43.288.218.44.42.5100.0.
Central Pre-Alps10.12.785.313.74.71.9100.0.
Eastern Pre-Alps8.22.689.115.22.71.6100.0.
Northwestern Alps1.01.095.115.93.91.9100.0.
Central Alps2.92.991.724.45.43.7100.0.
Northeastern Alps3.42.491.420.95.22.9100.0.
Southwestern Alps0.50.594.811.14.71.5100.0.
Southeastern Alps2.61.194.311.23.11.2100.0.
Southern Alps1.00.690.69.58.31.6100.0.
Switzerland3.90.591.64.44.60.6100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #169428/155811

NFI3

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: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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..............
tending....5.13.5......0.80.5
thinning..............
establishment cut..1.81.8........0.40.4
removal cut......1.41.4....0.40.4
plentering15.410.0..........0.80.6
thinning of mountain forest..3.62.5......2.92.81.20.7
coppice cut..............
conversion..............
transformation..............
sanitary felling..1.81.8........0.40.4
plentering in broadleaf forest..............
tending of forest edge..............
planting..1.81.8........0.40.4
agrosilvicultural treatments..............
total15.410.08.93.85.13.51.41.4..2.92.84.31.3
2-5 yearsno treatment..............
tending..1.81.8..1.41.4....0.80.5
thinning..8.93.85.13.5......2.81.0
establishment cut..3.62.55.13.5......1.60.8
removal cut..........2.92.80.40.4
plentering7.77.4..........0.40.4
thinning of mountain forest....2.62.52.82.04.53.12.92.82.30.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..1.81.8........0.40.4
agrosilvicultural treatments........2.32.2..0.40.4
total7.77.416.14.912.85.44.22.46.83.85.73.99.01.8
6-10 yearsno treatment..............
tending..1.81.82.62.51.41.4....1.20.7
thinning7.77.43.62.510.34.91.41.4....3.11.1
establishment cut15.410.0..5.13.51.41.411.44.82.92.84.31.3
removal cut......1.41.4....0.40.4
plentering....2.62.5......0.40.4
thinning of mountain forest..5.43.02.62.511.33.811.44.811.45.48.11.7
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total23.111.710.74.123.16.816.94.422.76.314.35.917.42.4
11-20 yearsno treatment..............
tending........2.32.2..0.40.4
thinning..5.43.0..1.41.44.53.1..2.30.9
establishment cut..7.13.45.13.55.62.74.53.1..4.61.3
removal cut......1.41.4..5.73.91.20.7
plentering......2.82.0....0.80.5
thinning of mountain forest..14.34.72.62.519.74.713.65.28.64.712.42.0
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total..26.85.97.74.331.05.525.06.514.35.921.72.6
> 20 yearsno treatment53.913.837.56.551.38.046.55.945.57.562.98.247.73.1
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..............
total53.913.837.56.551.38.046.55.945.57.562.98.247.73.1
totalno treatment53.913.837.56.551.38.046.55.945.57.562.98.247.73.1
tending..3.62.57.74.32.82.02.32.2..3.11.1
thinning7.77.417.95.115.45.82.82.04.53.1..8.21.7
establishment cut15.410.012.54.415.45.87.03.015.95.52.92.810.91.9
removal cut......4.22.4..8.64.72.30.9
plentering23.111.7..2.62.52.82.0....2.30.9
thinning of mountain forest..23.25.67.74.333.85.629.56.925.77.424.02.7
coppice cut..............
conversion..............
transformation..............
sanitary felling..1.81.8........0.40.4
plentering in broadleaf forest..............
tending of forest edge..............
planting..3.62.5........0.80.6
agrosilvicultural treatments........2.32.2..0.40.4
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 #169429/155812

NFI1

forest area: slope (20% classes) · 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 1983/85
slope (20% classes)
to 20%21-40 %over 100%total
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0.77130.71140.410031.810
Eastern Jura0.41005.1162..5.525
Western Plateau2.1442.8107..4.928
Central Plateau0.31006.5116..6.820
Eastern Plateau0.7715.4175..6.124
Western Pre-Alps1.94422.21211.15725.29
Central Pre-Alps4.72739.4842.24046.37
Eastern Pre-Alps3.23335.0861.15739.37
Northwestern Alps0.410035.0861.45036.87
Central Alps0.410011.71690.77012.713
Northeastern Alps0.77019.01201.15720.810
Southwestern Alps0.310068.9593.43172.75
Southeastern Alps1.84564.3662.14168.25
Southern Alps1.15891.8518.420101.34
Switzerland18.514437.82321.913478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169430/155813
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