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NFI4b

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalless than 1%..................7.16.9..1.31.3..1.41.40.80.5
1-4%................4.24.1....5.22.52.12.1..1.70.7
5-9%2.42.4....................1.31.3..1.41.40.80.5
10-25%............10.09.54.54.54.24.1....1.31.3..4.22.42.00.7
26-50%......................2.61.8....0.50.4
51-75%......................2.61.8....0.50.4
76-100%..............................
total2.42.4..........10.09.54.54.58.35.77.16.9..14.34.02.12.17.03.06.41.3
less stableless than 1%..............4.54.5..14.39.47.77.41.31.310.44.45.62.73.91.0
1-4%2.42.4........20.012.7..4.54.58.35.714.39.47.77.413.03.810.44.49.93.58.61.5
5-9%11.95.020.012.7..11.110.5..10.09.510.09.5..16.67.6..7.77.410.43.56.33.511.33.89.61.6
10-25%9.54.520.012.7..22.213.9..30.014.530.014.522.79.020.88.3..15.410.010.43.510.44.412.73.913.51.8
26-50%9.54.5......20.017.9....4.54.5..21.411.0..11.73.7..7.03.06.41.3
51-75%..10.09.5....40.021.9..10.09.5..........2.12.1..1.40.6
76-100%2.42.4......20.017.9......8.35.7..........1.10.6
total35.77.450.015.9..33.315.780.017.960.015.550.015.836.410.354.110.250.013.438.413.546.85.739.67.146.55.944.52.6
stableless than 1%2.42.410.09.5..11.110.5......9.16.1....7.77.41.31.36.33.55.62.73.91.0
1-4%4.83.310.09.550.035.5........13.67.312.56.8..7.77.411.73.714.65.111.33.89.91.6
5-9%11.95.0....22.213.9......4.54.54.24.121.411.07.87.410.43.56.33.516.94.410.01.6
10-25%4.83.310.09.5..11.110.520.017.9....9.16.18.35.77.16.930.712.811.73.718.85.611.33.811.21.7
26-50%19.06.1....11.110.5..20.012.710.09.59.16.18.35.714.39.47.77.43.92.210.44.41.41.47.81.4
51-75%9.54.520.012.7..11.110.5....30.014.54.54.54.34.2......2.12.1..3.71.0
76-100%9.54.5..50.035.5....20.012.7..9.16.1............2.60.9
total61.97.550.015.9100.0.66.715.720.017.940.015.540.015.559.110.537.69.942.913.361.613.539.05.658.37.146.55.949.12.6
totalless than 1%2.42.410.09.5..11.110.5......13.67.3..21.411.015.410.03.92.216.75.412.73.98.71.5
1-4%7.14.010.09.550.035.5....20.012.7..18.28.225.08.914.39.415.410.029.95.227.16.421.24.920.12.1
5-9%26.26.820.012.7..33.315.7..10.09.510.09.54.54.520.88.321.411.015.510.122.14.712.54.829.65.420.42.1
10-25%14.35.430.014.5..33.315.720.017.930.014.540.015.536.410.333.39.67.16.946.113.923.44.829.26.628.25.326.62.3
26-50%28.67.0....11.110.520.017.920.012.710.09.513.67.38.35.735.712.97.77.418.24.410.44.48.43.314.81.9
51-75%9.54.530.014.5..11.110.540.021.9..40.015.54.54.54.34.2....2.61.84.22.9..5.71.2
76-100%11.95.0..50.035.5..20.017.920.012.7..9.16.18.35.7..........3.71.0
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 #168574/154957

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover of assured regeneration %± %± %± %± %± %±
AGless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
AIless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
ARless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
BEless than 1%......50.025.0..12.48.2
1-4%..34.927.840.021.925.021.725.021.731.611.7
5-9%............
10-25%..32.626.960.021.9..25.021.731.111.6
26-50%......25.021.725.021.712.48.2
51-75%............
76-100%..32.626.9....25.021.712.48.2
total..100.0.100.0.100.0.100.0.100.0.
BL/BSless than 1%............
1-4%............
5-9%............
10-25%............
26-50%........100.0.100.0.
51-75%............
76-100%............
total........100.0.100.0.
FRless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
GEless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
GLless than 1%....50.035.7....14.313.3
1-4%......20.018.0..14.313.3
5-9%......20.018.0..14.313.3
10-25%......60.022.1..42.918.9
26-50%............
51-75%....50.035.7....14.313.3
76-100%............
total....100.0.100.0...100.0.
GRless than 1%......25.021.7..6.66.4
1-4%....25.415.5....13.68.9
5-9%....24.915.3....13.38.8
10-25%....24.915.350.025.0100.0.39.912.6
26-50%..100.0.24.915.325.021.7..26.611.4
51-75%............
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
JUless than 1%............
1-4%........33.327.433.327.4
5-9%............
10-25%........33.327.433.327.4
26-50%............
51-75%........33.327.433.327.4
76-100%............
total........100.0.100.0.
LUless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
NEless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
NWless than 1%............
1-4%............
5-9%............
10-25%......100.0...100.0.
26-50%............
51-75%............
76-100%............
total......100.0...100.0.
OWless than 1%............
1-4%............
5-9%..100.0.......50.035.7
10-25%............
26-50%............
51-75%............
76-100%........100.0.50.035.7
total..100.0.....100.0.100.0.
SGless than 1%............
1-4%......100.0...25.021.7
5-9%....100.0...50.035.550.025.1
10-25%........50.035.525.021.7
26-50%............
51-75%............
76-100%............
total....100.0.100.0.100.0.100.0.
SHless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
SOless than 1%............
1-4%......100.0...50.035.5
5-9%........100.0.50.035.5
10-25%............
26-50%............
51-75%............
76-100%............
total......100.0.100.0.100.0.
SZless than 1%............
1-4%....100.0.....33.327.4
5-9%............
10-25%............
26-50%......100.0.100.0.66.727.3
51-75%............
76-100%............
total....100.0.100.0.100.0.100.0.
TGless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
TIless than 1%............
1-4%....20.017.9..25.012.520.09.0
5-9%..100.0.20.017.9..8.38.015.08.0
10-25%....40.021.9..58.314.245.011.1
26-50%....20.017.9....5.04.9
51-75%......100.0.8.38.015.08.0
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
URless than 1%....66.727.4....25.015.4
1-4%......50.035.6..12.511.8
5-9%..33.327.433.327.4....25.015.4
10-25%..66.727.4..50.035.6..37.517.2
26-50%............
51-75%............
76-100%............
total..100.0.100.0.100.0...100.0.
VDless than 1%............
1-4%............
5-9%........100.0.50.035.4
10-25%......100.0...50.035.4
26-50%............
51-75%............
76-100%............
total......100.0.100.0.100.0.
VSless than 1%..10.69.9......4.44.3
1-4%50.035.429.814.5....20.017.920.88.3
5-9%50.035.419.912.625.021.7..40.021.924.98.8
10-25%..29.814.525.021.766.727.240.021.933.29.6
26-50%..9.99.425.021.7....8.35.6
51-75%....25.021.7....4.24.1
76-100%......33.327.3..4.24.1
total100.0.100.0.100.0.100.0.100.0.100.0.
ZGless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
ZHless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Switzerlandless than 1%..5.55.410.35.611.56.3..6.42.3
1-4%50.035.421.29.420.87.620.18.018.16.720.43.9
5-9%50.035.426.610.220.67.54.34.218.26.717.63.7
10-25%..30.910.527.48.340.59.942.08.635.14.6
26-50%..10.57.013.86.411.76.49.45.111.13.0
51-75%....7.24.98.05.46.34.35.72.3
76-100%..5.25.1..3.83.86.04.13.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168575/154958

NFI4b

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%....0.41000.4100
1-4%..0.41000.7711.158
5-9%0.41001.8451.8453.930
10-25%..1.4500.7712.141
26-50%..1.4502.9354.329
51-75%....1.4501.450
76-100%..0.41001.4501.845
total0.41005.3259.31915.015
Eastern Juraless than 1%....0.41000.4100
1-4%....0.41000.4100
5-9%..0.870..0.870
10-25%..0.8700.41001.257
26-50%........
51-75%..0.41000.8701.257
76-100%........
total..2.0442.0444.030
Western Plateauless than 1%........
1-4%....0.41000.4100
5-9%........
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.8700.870
Central Plateauless than 1%....0.31000.3100
1-4%........
5-9%..0.31000.6710.957
10-25%..0.6710.31000.957
26-50%....0.31000.3100
51-75%....0.31000.3100
76-100%........
total..0.9571.9402.833
Eastern Plateauless than 1%........
1-4%........
5-9%........
10-25%....0.41000.4100
26-50%..0.4100..0.4100
51-75%..0.771..0.771
76-100%..0.4100..0.4100
total..1.4500.41001.844
Western Pre-Alpsless than 1%........
1-4%..0.770..0.770
5-9%..0.4100..0.4100
10-25%..1.157..1.157
26-50%....0.7700.770
51-75%........
76-100%....0.7700.770
total..2.2401.5493.730
Central Pre-Alpsless than 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%0.41001.158..1.450
26-50%....0.41000.4100
51-75%..0.41001.1581.450
76-100%........
total0.41001.8441.4503.631
Eastern Pre-Alpsless than 1%..0.41000.7711.157
1-4%..0.41001.1571.450
5-9%....0.41000.4100
10-25%0.41001.8440.7712.935
26-50%..0.41000.7711.157
51-75%....0.41000.4100
76-100%....0.7710.771
total0.41002.9354.6277.920
Northwestern Alpsless than 1%........
1-4%0.41000.7711.1572.140
5-9%..1.4500.41001.844
10-25%0.41001.8440.7712.935
26-50%....0.7710.771
51-75%....0.41000.4100
76-100%..0.771..0.771
total0.7714.6273.2338.619
Central Alpsless than 1%0.31000.770..1.057
1-4%..0.770..0.770
5-9%....1.0571.057
10-25%....0.31000.3100
26-50%..1.0570.7701.744
51-75%........
76-100%........
total0.31002.4372.1404.825
Northeastern Alpsless than 1%..0.41000.41000.770
1-4%..0.41000.41000.770
5-9%..0.41000.41000.771
10-25%..0.7701.4492.140
26-50%....0.41000.4100
51-75%........
76-100%........
total..1.8442.9354.726
Southwestern Alpsless than 1%0.31000.31000.31001.058
1-4%1.4503.4313.1337.920
5-9%0.31002.7352.7355.824
10-25%0.31002.7353.1336.223
26-50%0.7713.1331.0584.826
51-75%0.771....0.771
76-100%........
total3.83012.31610.31826.410
Southeastern Alpsless than 1%..1.8451.1582.835
1-4%0.41001.8452.5384.627
5-9%..1.1581.1582.141
10-25%..1.8453.2334.926
26-50%....1.8451.845
51-75%..0.41000.41000.771
76-100%........
total0.41006.7229.81816.914
Southern Alpsless than 1%0.41001.4501.4503.233
1-4%..2.5382.8355.325
5-9%0.41002.8354.3297.421
10-25%1.1583.2332.8357.122
26-50%..1.8450.41002.141
51-75%........
76-100%........
total1.84511.71711.71725.211
Switzerlandless than 1%1.0584.9274.92710.918
1-4%2.14110.91812.41725.412
5-9%1.15812.01712.61725.612
10-25%2.53817.01414.11633.510
26-50%0.7718.0219.91918.614
51-75%0.7711.8454.7287.222
76-100%..1.4503.3334.728
total8.02156.1861.87126.05

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168576/154959

NFI3

forest area: degree of mixture · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....0.7710.4100....1.158
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total....0.7710.4100....1.158
pure conifer forestn/a..............
crowded....1.1580.771....1.745
normal0.771..1.8450.31001.4500.7715.027
loose....0.4100..0.7710.41001.450
open....0.7711.0580.41000.7712.835
scattered0.4100..0.41000.3100....1.158
grouped crowded....0.7711.058..0.41002.141
grouped normal......1.058....1.058
heterogeneous......0.3100..0.7711.158
total1.158..5.0274.8262.5372.93516.215
mixed conifer forestn/a..............
crowded....0.4100..0.4100..0.771
normal0.4100..1.1580.3100....1.845
loose..0.4100..0.3100....0.771
open....0.4100......0.4100
scattered..............
grouped crowded..............
grouped normal....0.4100......0.4100
heterogeneous..............
total0.41000.41002.1410.7710.4100..3.930
mixed broadleaf forestn/a..............
crowded....0.771....0.41001.158
normal0.4100..0.7710.771..0.41002.141
loose......0.3100..0.41000.771
open..............
scattered0.4100..........0.4100
grouped crowded..............
grouped normal..............
heterogeneous..............
total0.771..1.4501.058..1.1584.229
pure broadleaf forestn/a..............
crowded1.1580.41002.1410.3100..2.5386.423
normal....0.7710.3100..1.1582.141
loose....0.771....2.1412.835
open....0.7710.3100..0.41001.450
scattered....0.771......0.771
grouped crowded......0.3100..1.1581.450
grouped normal..............
heterogeneous..........0.7710.771
total1.1580.41005.0271.450..7.82115.615
totaln/a....0.7710.4100....1.158
crowded1.1580.41004.3291.0580.41002.8359.919
normal1.450..4.3291.7441.4502.24111.018
loose..0.41001.1580.7710.7712.8355.725
open....1.8451.4500.41001.1584.628
scattered0.771..1.1580.3100....2.141
grouped crowded....0.7711.450..1.4503.532
grouped normal....0.41001.058....1.450
heterogeneous......0.3100..1.4501.845
total3.2330.77114.2168.2202.83511.81741.09

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168577/154960

NFI4b

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending1.81.85.35.1........0.60.4
thinning3.62.510.57.02.01.4......1.70.7
establishment cut5.43.0..1.01.01.41.47.14.0..2.20.8
removal cut1.81.8....1.41.44.83.32.71.91.70.7
plentering1.81.8..........0.30.3
thinning of mountain forest5.43.0..1.01.05.82.8..2.71.92.80.9
coppice cut..............
conversion....1.01.0......0.30.3
transformation..............
sanitary felling1.81.8..1.01.0......0.60.4
plentering in broadleaf forest....1.01.0......0.30.3
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total21.45.515.88.47.12.68.73.411.95.05.52.710.41.6
2-5 yearsno treatment..............
tending..5.35.16.12.41.41.44.83.32.71.93.41.0
thinning8.93.8..4.12.0....4.12.33.41.0
establishment cut3.62.510.57.03.11.71.41.44.83.32.71.93.41.0
removal cut3.62.5..2.01.4....1.41.41.40.6
plentering7.13.4..1.01.01.41.4....1.70.7
thinning of mountain forest1.81.8..5.12.27.23.19.54.54.12.35.01.2
coppice cut..............
conversion..............
transformation..............
sanitary felling1.81.8..........0.30.3
plentering in broadleaf forest..5.35.11.01.0......0.60.4
tending of forest edge........2.42.4..0.30.3
planting..............
agrosilvicultural treatments..............
total26.85.921.19.422.44.211.63.921.46.315.14.219.42.1
6-10 yearsno treatment..............
tending1.81.8..3.11.7..2.42.41.41.41.70.7
thinning8.93.821.19.47.12.62.92.04.83.31.41.45.91.2
establishment cut3.62.5..5.12.22.92.04.83.31.41.43.41.0
removal cut1.81.8..........0.30.3
plentering3.62.55.35.1........0.90.5
thinning of mountain forest....8.22.813.04.14.83.34.12.36.11.3
coppice cut..........4.12.30.80.5
conversion..............
transformation..............
sanitary felling......1.41.4....0.30.3
plentering in broadleaf forest1.81.85.35.1........0.60.4
tending of forest edge....1.01.0......0.30.3
planting..............
agrosilvicultural treatments1.81.8..1.01.0......0.60.4
total23.25.631.610.725.54.420.34.816.75.812.33.820.72.1
11-20 yearsno treatment..............
tending..5.35.11.01.0..4.83.3..1.10.6
thinning7.13.45.35.15.12.25.82.8....3.91.0
establishment cut7.13.4..3.11.72.92.04.83.32.71.93.71.0
removal cut....2.01.4....1.41.40.80.5
plentering1.81.8......2.42.4..0.60.4
thinning of mountain forest3.62.5..14.33.58.73.42.42.412.33.89.01.5
coppice cut..........4.12.30.80.5
conversion..............
transformation..............
sanitary felling....1.01.0......0.30.3
plentering in broadleaf forest....1.01.0......0.30.3
tending of forest edge..............
planting..............
agrosilvicultural treatments....1.01.0......0.30.3
total19.65.310.57.028.64.617.44.614.35.420.54.720.72.1
> 20 yearsno treatment8.93.821.19.416.43.742.05.935.77.446.65.828.72.4
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..............
total8.93.821.19.416.43.742.05.935.77.446.65.828.72.4
totalno treatment8.93.821.19.416.43.742.05.935.77.446.65.828.72.4
tending3.62.515.88.410.23.11.41.411.95.04.12.36.71.3
thinning28.66.036.811.118.43.98.73.44.83.35.52.714.91.9
establishment cut19.65.310.57.012.23.38.73.421.46.36.83.012.61.8
removal cut7.13.4..4.12.01.41.44.83.35.52.74.21.1
plentering14.34.75.35.11.01.01.41.42.42.4..3.41.0
thinning of mountain forest10.74.1..28.64.634.85.716.75.823.34.922.92.2
coppice cut..........8.23.21.70.7
conversion....1.01.0......0.30.3
transformation..............
sanitary felling3.62.5..2.01.41.41.4....1.40.6
plentering in broadleaf forest1.81.810.57.03.11.7......1.70.7
tending of forest edge....1.01.0..2.42.4..0.60.4
planting..............
agrosilvicultural treatments1.81.8..2.01.4......0.80.5
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 #168578/154961

NFI3

forest area: degree of mixture · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
degree of mixture
n/apure conifer forestmixed conifer forestmixed broadleaf forestpure broadleaf foresttotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
AIn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
ARn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
BEn/a0.3100........0.3100
crowded..0.31000.31000.31001.0582.141
normal..0.31000.771..0.31001.450
loose....0.3100....0.3100
open........0.31000.3100
scattered..0.4100..0.3100..0.771
grouped crowded..0.3100......0.3100
grouped normal....0.3100....0.3100
heterogeneous............
total0.31001.4501.7450.7711.7455.824
BL/BSn/a............
crowded............
normal..0.4100......0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100......0.4100
FRn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GLn/a0.4100........0.4100
crowded..0.4100....0.8701.257
normal..0.4100......0.4100
loose............
open........0.41000.4100
scattered........0.41000.4100
grouped crowded............
grouped normal............
heterogeneous............
total0.41000.870....1.5492.736
GRn/a............
crowded....0.3100..0.31000.771
normal..2.141......2.141
loose..0.771..0.31000.31001.450
open..0.771......0.771
scattered............
grouped crowded..0.3100......0.3100
grouped normal............
heterogeneous..0.771....0.7711.450
total..4.6270.31000.31001.4506.623
JUn/a............
crowded........0.41000.4100
normal....0.41000.4100..0.870
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.41000.41001.257
LUn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
NEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
NWn/a............
crowded......0.4100..0.4100
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......0.4100..0.4100
OWn/a............
crowded............
normal........0.41000.4100
loose............
open............
scattered............
grouped crowded..0.4100......0.4100
grouped normal............
heterogeneous............
total..0.4100....0.41000.770
SGn/a............
crowded........0.7700.770
normal............
loose............
open..0.4100......0.4100
scattered........0.41000.4100
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....1.1571.450
SHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
SOn/a............
crowded........0.41000.4100
normal..0.4100......0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....0.41000.870
SZn/a............
crowded............
normal....0.41000.4100..0.770
loose........0.41000.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.41000.41001.157
TGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
TIn/a............
crowded......0.41002.1412.537
normal......0.41001.1581.450
loose..0.4100....1.8442.141
open..0.4100....0.41000.771
scattered............
grouped crowded........1.1581.158
grouped normal............
heterogeneous............
total..0.771..0.7716.4237.921
URn/a............
crowded..0.3100......0.3100
normal..1.057......1.057
loose..0.3100....0.31000.770
open..0.31000.3100....0.770
scattered..0.3100......0.3100
grouped crowded............
grouped normal............
heterogeneous............
total..2.3360.3100..0.31003.031
VDn/a............
crowded........0.41000.4100
normal......0.4100..0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......0.41000.41000.871
VSn/a0.4100........0.4100
crowded..0.771....0.31001.058
normal..0.31000.31000.7710.31001.744
loose....0.31000.3100..0.771
open..1.058....0.31001.450
scattered..0.3100......0.3100
grouped crowded..1.058....0.31001.450
grouped normal..1.058......1.058
heterogeneous..0.3100......0.3100
total0.41004.8260.7711.0581.4508.220
ZGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
ZHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Switzerlandn/a1.158........1.158
crowded..1.7450.7711.1586.52310.019
normal..5.0271.8452.2412.14111.018
loose..1.4500.7710.7712.8355.625
open..2.8350.3100..1.4504.528
scattered..1.058..0.31000.7712.141
grouped crowded..2.141....1.4503.532
grouped normal..1.0580.3100....1.450
heterogeneous..1.058....0.7711.745
total1.15816.1153.8304.32915.81541.09

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168579/154962

NFI4b

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

calculated by unit of reference: biogeographical region

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

NFI3

forest area: degree of mixture · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a......1.158..1.158
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......1.158..1.158
pure conifer forestn/a............
crowded......1.745..1.745
normal0.771....3.5310.7714.927
loose......1.0580.41001.450
open......2.1410.7712.835
scattered0.4100....0.771..1.158
grouped crowded....0.41001.745..2.141
grouped normal......1.058..1.058
heterogeneous......0.31000.7711.158
total1.158..0.410012.1172.53816.015
mixed conifer forestn/a............
crowded......0.771..0.771
normal0.4100..0.41001.058..1.845
loose..0.4100..0.3100..0.771
open......0.3100..0.3100
scattered............
grouped crowded............
grouped normal......0.3100..0.3100
heterogeneous............
total0.41000.41000.41002.835..3.830
mixed broadleaf forestn/a............
crowded....0.41000.31000.41001.158
normal0.4100..0.41001.0580.41002.141
loose......0.31000.41000.771
open............
scattered0.4100........0.4100
grouped crowded............
grouped normal............
heterogeneous............
total0.771..0.7711.7451.1584.229
pure broadleaf forestn/a............
crowded1.158..0.7712.1412.5386.423
normal....0.41000.7711.1582.141
loose......0.7712.1412.835
open....0.41000.7710.41001.450
scattered......0.771..0.771
grouped crowded......0.31001.1581.450
grouped normal............
heterogeneous........0.7710.771
total1.158..1.4505.2267.82115.515
totaln/a......1.158..1.158
crowded1.158..1.1584.8272.8359.819
normal1.550..1.1586.2232.14110.918
loose..0.4100..2.4382.8355.625
open....0.41003.1331.1584.528
scattered0.771....1.450..2.141
grouped crowded....0.41002.1411.1583.532
grouped normal......1.450..1.450
heterogeneous......0.31001.4501.845
total3.3330.41002.93522.81211.41740.79

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168581/154964

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearno treatment....................................................
tending....16.715.5....................................5.95.7......0.60.4
thinning33.327.3..16.715.53.82.7............100.0.............20.018.0..............1.70.7
establishment cut......3.82.7........5.02.8..............33.327.4..........2.61.8....2.20.8
removal cut......1.91.9........5.02.8....................1.71.7....1.31.3....1.70.7
plentering......................10.09.5..........................0.30.3
thinning of mountain forest......1.91.9........3.32.320.018.0..10.09.5................8.38.0..5.22.5....2.70.9
coppice cut....................................................
conversion..........................................5.95.7......0.30.3
transformation....................................................
sanitary felling......1.91.9..................................5.95.7......0.60.4
plentering in broadleaf forest..............12.511.8..................................0.30.3
tending of forest edge....................................................
planting....................................................
agrosilvicultural treatments....................................................
total33.327.3..33.319.613.44.7......12.511.813.34.420.018.0100.0.20.012.7........33.327.420.018.0..1.71.78.38.017.69.39.13.3....10.31.6
2-5 yearsno treatment....................................................
tending......5.83.2........6.73.2........50.025.25.95.7........1.71.7....1.31.3....3.41.0
thinning....16.715.57.73.7..25.021.7......20.018.0..10.09.5....5.95.7........5.12.9..........3.31.0
establishment cut......7.73.7........6.73.2..........5.95.7....20.018.0......5.95.71.31.3....3.31.0
removal cut........16.715.3......1.71.720.018.0........5.95.7....20.018.0..............1.50.7
plentering......3.82.7..............30.014.6....................1.31.3....1.60.6
thinning of mountain forest......1.91.9......12.511.88.33.6....10.09.5100.0...5.95.7........3.42.48.38.0..6.52.8....5.01.2
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling........16.715.3........................................0.30.3
plentering in broadleaf forest..............12.511.8..............................100.0...0.60.5
tending of forest edge................1.71.7................................0.30.3
planting....................................................
agrosilvicultural treatments....................................................
total....16.715.526.96.133.319.425.021.7..25.015.425.05.640.022.0..50.015.9100.0.50.025.229.411.1....40.022.0..10.23.98.38.05.95.710.43.5100.0...19.42.1
6-10 yearsno treatment....................................................
tending......1.91.9......12.511.83.32.3....10.09.5..................5.95.7......1.70.7
thinning....16.715.59.64.116.715.325.021.7....3.32.320.018.0........11.87.8......100.0.1.71.78.38.011.87.82.61.8....5.81.2
establishment cut......1.91.9........3.32.3..........5.95.7........1.71.7..5.95.77.83.1....3.30.9
removal cut........16.715.3........................................0.30.3
plentering......1.91.9..............20.012.7..........................0.80.4
thinning of mountain forest......3.82.7......12.511.83.32.3..........5.95.7....20.018.0..5.12.98.38.011.87.811.73.7....6.21.3
coppice cut......................................5.12.9..........0.90.5
conversion....................................................
transformation....................................................
sanitary felling............................................1.31.3....0.30.3
plentering in broadleaf forest......1.91.9....................5.95.7....................0.60.4
tending of forest edge................................................100.0.0.30.3
planting....................................................
agrosilvicultural treatments......1.91.9....................................1.31.3....0.50.4
total....16.715.523.05.833.319.425.021.7..25.015.413.34.420.018.0..30.014.6....29.411.1....20.018.0100.0.13.64.516.710.835.311.624.74.9..100.0.20.72.1
11-20 yearsno treatment....................................................
tending................3.32.3..........5.95.7..........8.38.0........1.10.6
thinning....16.715.59.64.1......................100.0.............7.83.1....3.81.0
establishment cut....16.715.51.91.9........3.32.3..............33.327.4....3.42.48.38.017.69.32.61.8....3.71.0
removal cut......1.91.9......12.511.8......................1.71.7..........0.90.5
plentering......1.91.9........1.71.7................................0.50.4
thinning of mountain forest..100.0...7.73.7..25.021.7..12.511.85.02.820.018.0......25.021.8......20.018.0..11.94.233.313.711.87.87.83.1....9.01.5
coppice cut......................................5.12.9..........0.90.5
conversion....................................................
transformation....................................................
sanitary felling............................5.95.7....................0.30.3
plentering in broadleaf forest............................5.95.7....................0.30.3
tending of forest edge....................................................
planting....................................................
agrosilvicultural treatments........................................8.38.0........0.30.3
total..100.0.33.319.623.05.8..25.021.7..25.015.413.34.420.018.0......25.021.817.79.3100.0.33.327.420.018.0..22.05.458.314.329.411.118.24.4....20.72.1
> 20 yearsno treatment66.727.3....13.64.833.319.425.021.7..12.511.835.06.2........25.021.823.510.3..33.327.4....52.56.58.38.011.87.837.75.5....29.02.4
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....................................................
total66.727.3....13.64.833.319.425.021.7..12.511.835.06.2........25.021.823.510.3..33.327.4....52.56.58.38.011.87.837.75.5....29.02.4
totalno treatment66.727.3....13.64.833.319.425.021.7..12.511.835.06.2........25.021.823.510.3..33.327.4....52.56.58.38.011.87.837.75.5....29.02.4
tending....16.715.57.73.7......12.511.813.34.4....10.09.5..50.025.211.87.8........1.71.78.38.011.87.81.31.3....6.71.3
thinning33.327.3..66.719.530.76.416.715.350.025.1....3.32.340.022.0100.0.10.09.5....17.79.3100.0...20.018.0100.0.6.83.38.38.011.87.810.43.5....14.71.9
establishment cut....16.715.515.45.0........18.35.0..........11.87.8..66.727.420.018.0..5.12.98.38.029.411.114.34.0....12.61.8
removal cut......3.82.733.319.4....12.511.86.73.220.018.0........5.95.7....20.018.0..3.42.4....1.31.3....4.31.1
plentering......7.73.7........1.71.7....60.015.5....................1.31.3....3.20.9
thinning of mountain forest..100.0...15.45.0..25.021.7..37.517.320.05.240.022.0..20.012.7100.0.25.021.811.87.8....40.022.0..20.35.258.314.323.510.331.25.3....22.92.2
coppice cut......................................10.23.9..........1.70.7
conversion..........................................5.95.7......0.30.3
transformation....................................................
sanitary felling......1.91.916.715.3..................5.95.7............5.95.71.31.3....1.50.6
plentering in broadleaf forest......1.91.9......25.015.4............11.87.8................100.0...1.80.7
tending of forest edge................1.71.7..............................100.0.0.60.4
planting....................................................
agrosilvicultural treatments......1.91.9................................8.38.0..1.31.3....0.80.5
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 #168582/154965

NFI3

forest area: degree of mixture · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a..0.41000.31000.4100....1.158
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total..0.41000.31000.4100....1.158
pure conifer forestn/a..............
crowded..0.41000.7710.771....1.745
normal0.7710.41001.4500.31001.4500.7714.927
loose....0.3100..0.7710.41001.450
open....0.7711.0580.41000.7712.835
scattered0.4100..0.31000.3100....1.058
grouped crowded..0.771..1.0580.4100..2.141
grouped normal......1.058....1.058
heterogeneous......0.3100..0.7711.158
total1.1581.4503.4314.8262.8352.53816.115
mixed conifer forestn/a..............
crowded..0.4100....0.4100..0.771
normal0.41000.7710.31000.3100....1.845
loose0.4100....0.3100....0.771
open....0.3100......0.3100
scattered..............
grouped crowded..............
grouped normal..0.4100........0.4100
heterogeneous..............
total0.7711.4500.7710.7710.4100..3.930
mixed broadleaf forestn/a..............
crowded..0.771......0.41001.158
normal0.41000.41000.31000.771..0.41002.141
loose......0.3100..0.41000.771
open..............
scattered0.4100..........0.4100
grouped crowded..............
grouped normal..............
heterogeneous..............
total0.7711.1580.31001.058..1.1584.229
pure broadleaf forestn/a..............
crowded1.1581.1581.4500.3100..2.5386.423
normal..0.771..0.3100..1.1582.141
loose....0.771....2.1412.835
open..0.41000.31000.3100..0.41001.450
scattered....0.771......0.771
grouped crowded......0.3100..1.1581.450
grouped normal..............
heterogeneous..........0.7710.771
total1.1582.2413.1331.450..7.82115.515
totaln/a..0.41000.31000.4100....1.158
crowded1.1582.5382.1411.0580.41002.8359.919
normal1.4502.2412.1411.7441.4502.14110.918
loose0.4100..1.0580.7710.7712.8355.625
open..0.41001.4501.4500.41001.1584.528
scattered0.771..1.0580.3100....2.141
grouped crowded..0.771..1.4500.41001.1583.532
grouped normal..0.4100..1.058....1.450
heterogeneous......0.3100..1.4501.845
total3.6326.5237.9208.2203.23311.41740.89

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168583/154966

NFI4b

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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........0.8700.870
tending............
thinning0.4100........0.4100
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............
total0.4100......0.8701.257
AIno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest......0.3100..0.3100
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total......0.3100..0.3100
ARno treatment............
tending0.3100........0.3100
thinning0.31000.31000.31000.3100..1.347
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............
total0.6690.31000.31000.669..1.937
BEno treatment........2.4382.438
tending..1.0580.3100....1.450
thinning0.7711.4501.7451.745..5.525
establishment cut0.7711.4500.31000.3100..2.735
removal cut0.3100....0.3100..0.771
plentering..0.7710.31000.3100..1.450
thinning of mountain forest0.31000.31000.7711.450..2.735
coppice cut............
conversion............
transformation............
sanitary felling0.3100........0.3100
plentering in broadleaf forest....0.3100....0.3100
tending of forest edge............
planting............
agrosilvicultural treatments....0.3100....0.3100
total2.4384.8264.1294.1292.43817.813
BL/BSno treatment........0.8700.870
tending............
thinning....0.4100....0.4100
establishment cut............
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............
total..0.8700.870..0.8702.439
FRno treatment........0.41000.4100
tending............
thinning..0.41000.4100....0.770
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..0.41000.41000.41000.41001.549
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........0.41000.4100
tending....0.4100....0.4100
thinning............
establishment cut............
removal cut......0.4100..0.4100
plentering............
thinning of mountain forest..0.41000.41000.4100..1.257
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest0.41000.4100......0.870
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.8700.8700.8700.41003.133
GRno treatment........7.3217.321
tending..1.4500.7710.771..2.835
thinning....0.771....0.771
establishment cut1.0581.4500.7710.771..3.830
removal cut1.0580.3100......1.450
plentering......0.3100..0.3100
thinning of mountain forest0.7711.7450.7711.058..4.229
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge..0.3100......0.3100
planting............
agrosilvicultural treatments............
total2.8355.2252.8352.8357.32121.012
JUno treatment............
tending............
thinning..0.41000.4100....0.870
establishment cut............
removal cut..0.4100......0.4100
plentering............
thinning of mountain forest0.4100....0.4100..0.870
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.8700.41000.4100..1.944
LUno treatment............
tending............
thinning0.3100........0.3100
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............
total0.3100........0.3100
NEno treatment............
tending....0.3100....0.3100
thinning..0.3100......0.3100
establishment cut............
removal cut............
plentering0.31001.0570.670....1.940
thinning of mountain forest0.31000.3100......0.670
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.6701.6441.057....3.230
NWno treatment............
tending............
thinning............
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..0.4100......0.4100
OWno treatment........0.41000.4100
tending..0.770......0.770
thinning............
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..0.770..0.41000.41001.549
SGno treatment........1.4501.450
tending..0.4100..0.4100..0.770
thinning..0.41000.770....1.157
establishment cut..0.41000.4100....0.770
removal cut..0.4100......0.4100
plentering............
thinning of mountain forest..0.41000.4100....0.770
coppice cut............
conversion............
transformation............
sanitary felling......0.4100..0.4100
plentering in broadleaf forest....0.41000.4100..0.770
tending of forest edge............
planting............
agrosilvicultural treatments............
total..1.8441.8441.1571.4506.123
SHno treatment............
tending............
thinning......0.770..0.770
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......0.770..0.770
SOno treatment........0.41000.4100
tending............
thinning............
establishment cut0.4100....0.4100..0.870
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.4100....0.41000.41001.157
SZno treatment............
tending............
thinning0.4100........0.4100
establishment cut..0.4100......0.4100
removal cut..0.4100......0.4100
plentering............
thinning of mountain forest....0.41000.4100..0.770
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.7700.41000.4100..1.844
TGno treatment............
tending............
thinning....0.670....0.670
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....0.670....0.670
TIno treatment........11.11711.117
tending..0.4100......0.4100
thinning..1.1580.4100....1.450
establishment cut....0.41000.771..1.158
removal cut0.4100....0.4100..0.771
plentering............
thinning of mountain forest..0.7711.1582.537..4.328
coppice cut....1.1581.158..2.141
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41002.1412.9354.72711.11721.112
URno treatment........0.31000.3100
tending......0.3100..0.3100
thinning....0.3100....0.3100
establishment cut......0.3100..0.3100
removal cut............
plentering............
thinning of mountain forest0.31000.31000.31001.349..2.336
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......0.3100..0.3100
total0.31000.31000.7702.3360.31004.027
VDno treatment........0.8710.871
tending0.4100..0.4100....0.871
thinning....0.871....0.871
establishment cut..0.41000.41001.158..1.944
removal cut............
plentering............
thinning of mountain forest....0.8710.871..1.550
coppice cut............
conversion0.4100........0.4100
transformation............
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.1580.41002.3401.9440.8716.524
VSno treatment........9.9189.918
tending..0.3100......0.3100
thinning....0.7712.141..2.735
establishment cut0.7710.31002.1410.771..3.830
removal cut0.3100........0.3100
plentering..0.3100......0.3100
thinning of mountain forest1.4501.7443.1332.141..8.220
coppice cut............
conversion............
transformation............
sanitary felling....0.3100....0.3100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.3100....0.3100
total2.4372.7356.5224.8269.91826.410
ZGno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest..0.4100......0.4100
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.4100......0.4100
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....0.4100....0.4100
planting............
agrosilvicultural treatments............
total....0.4100....0.4100
Switzerlandno treatment........36.51036.510
tending0.7714.2292.1411.450..8.420
thinning2.1414.2297.4224.827..18.414
establishment cut2.8354.2294.2294.628..15.815
removal cut2.1411.9450.41001.158..5.526
plentering0.31002.0411.0580.771..4.028
thinning of mountain forest3.5326.3247.72111.318..28.811
coppice cut....1.1581.158..2.141
conversion0.4100........0.4100
transformation............
sanitary felling0.7710.41000.31000.4100..1.845
plentering in broadleaf forest0.41000.8710.7710.4100..2.341
tending of forest edge..0.31000.4100....0.771
planting............
agrosilvicultural treatments....0.7710.3100..1.058
total12.91624.41226.01226.01136.510125.75

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168584/154967

NFI3

forest area: degree of mixture · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
degree of mixture
n/apure conifer forestmixed conifer forestmixed broadleaf forestpure broadleaf foresttotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a............
crowded........1.1581.158
normal..0.41000.41000.4100..1.158
loose............
open............
scattered..0.4100..0.4100..0.771
grouped crowded............
grouped normal............
heterogeneous............
total..0.7710.41000.7711.1582.935
Eastern Juran/a............
crowded............
normal..0.4100......0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100......0.4100
Western Plateaun/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Central Plateaun/a............
crowded............
normal............
loose....0.3100....0.3100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.3100....0.3100
Eastern Plateaun/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Western Pre-Alpsn/a............
crowded............
normal....0.4100....0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.4100....0.4100
Central Pre-Alpsn/a............
crowded......0.4100..0.4100
normal........0.41000.4100
loose............
open........0.41000.4100
scattered............
grouped crowded..0.4100......0.4100
grouped normal............
heterogeneous............
total..0.4100..0.41000.7711.450
Eastern Pre-Alpsn/a............
crowded........0.7710.771
normal......0.4100..0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......0.41000.7711.157
Northwestern Alpsn/a0.4100........0.4100
crowded..0.41000.41000.41001.1572.140
normal..0.41000.41000.41000.41001.450
loose............
open............
scattered............
grouped crowded..0.4100......0.4100
grouped normal....0.4100....0.4100
heterogeneous............
total0.41001.1571.1570.7711.4504.627
Central Alpsn/a............
crowded..0.3100......0.3100
normal..1.0570.3100....1.449
loose..0.3100....0.7701.057
open..0.31000.3100....0.770
scattered..0.3100......0.3100
grouped crowded............
grouped normal............
heterogeneous............
total..2.4370.770..0.7703.829
Northeastern Alpsn/a0.4100........0.4100
crowded..0.4100....0.7701.157
normal..0.4100......0.4100
loose............
open..0.4100....0.41000.770
scattered........0.7700.770
grouped crowded............
grouped normal............
heterogeneous............
total0.41001.157....1.8443.232
Southwestern Alpsn/a0.4100........0.4100
crowded..0.771....0.31001.058
normal..0.31000.31000.7710.31001.744
loose....0.31000.3100..0.771
open..1.058....0.31001.450
scattered..0.3100......0.3100
grouped crowded..1.058....0.31001.450
grouped normal..1.058......1.058
heterogeneous..0.3100......0.3100
total0.41004.8260.7711.0581.4508.220
Southeastern Alpsn/a............
crowded....0.4100....0.4100
normal..1.450......1.450
loose..0.771......0.771
open..0.4100......0.4100
scattered............
grouped crowded..0.4100......0.4100
grouped normal............
heterogeneous............
total..2.8350.4100....3.233
Southern Alpsn/a............
crowded......0.41002.5382.835
normal..0.771..0.41001.1582.141
loose..0.4100..0.41002.1412.835
open..0.771....0.41001.158
scattered............
grouped crowded........1.1581.158
grouped normal............
heterogeneous..0.771....0.7711.450
total..2.538..1.1587.82111.417
Switzerlandn/a1.158........1.158
crowded..1.7450.7711.1586.4239.919
normal..5.0271.8452.1412.14111.018
loose..1.4500.7710.7712.8355.625
open..2.8350.3100..1.4504.528
scattered..1.158..0.41000.7702.141
grouped crowded..2.141....1.4503.532
grouped normal..1.0580.4100....1.450
heterogeneous..1.158....0.7711.845
total1.15816.1153.8304.22915.61540.99

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168585/154968

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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..6.36.12.42.4....0.60.4
thinning5.83.26.36.14.83.3....1.70.7
establishment cut5.83.2....2.81.3..2.20.8
removal cut1.91.9....1.71.02.82.01.70.7
plentering1.91.9........0.30.3
thinning of mountain forest3.82.76.36.1..2.81.32.82.02.80.9
coppice cut............
conversion......0.60.6..0.30.3
transformation............
sanitary felling1.91.9....0.60.6..0.60.4
plentering in broadleaf forest......0.60.6..0.30.3
tending of forest edge............
planting............
agrosilvicultural treatments............
total21.25.718.89.87.14.09.12.25.62.710.41.6
2-5 yearsno treatment............
tending..6.36.17.14.03.41.42.82.03.41.0
thinning7.73.76.36.17.14.00.60.64.22.43.41.0
establishment cut1.91.918.89.87.14.01.71.02.82.03.41.0
removal cut3.82.7....1.10.81.41.41.40.6
plentering7.73.7..2.42.40.60.6..1.70.7
thinning of mountain forest1.91.9..2.42.47.42.04.22.45.01.1
coppice cut............
conversion............
transformation............
sanitary felling1.91.9........0.30.3
plentering in broadleaf forest....2.42.40.60.6..0.60.4
tending of forest edge......0.60.6..0.30.3
planting............
agrosilvicultural treatments............
total25.06.031.311.628.67.015.92.815.54.319.42.1
6-10 yearsno treatment............
tending1.91.9..2.42.41.71.01.41.41.70.7
thinning9.64.112.58.314.35.44.01.51.41.45.91.3
establishment cut3.82.7..2.42.44.51.61.41.43.31.0
removal cut1.91.9........0.30.3
plentering3.82.7..2.42.4....0.90.5
thinning of mountain forest....4.83.39.72.24.22.46.11.3
coppice cut........4.22.40.80.5
conversion............
transformation............
sanitary felling......0.60.6..0.30.3
plentering in broadleaf forest..12.58.3......0.60.4
tending of forest edge....2.42.4....0.30.3
planting............
agrosilvicultural treatments1.91.9....0.60.6..0.60.4
total23.15.825.010.828.67.021.03.112.74.020.72.1
11-20 yearsno treatment............
tending..6.36.1..1.71.0..1.10.5
thinning9.64.1..4.83.34.01.5..3.91.0
establishment cut5.83.26.36.12.42.43.41.42.82.03.61.0
removal cut....2.42.40.60.61.41.40.80.5
plentering..6.36.1..0.60.6..0.60.4
thinning of mountain forest3.82.7..9.54.59.72.212.73.98.91.5
coppice cut........4.22.40.80.5
conversion............
transformation............
sanitary felling....2.42.4....0.30.3
plentering in broadleaf forest....2.42.4....0.30.3
tending of forest edge............
planting............
agrosilvicultural treatments......0.60.6..0.30.3
total19.25.518.89.823.86.620.43.021.14.820.72.1
> 20 yearsno treatment11.54.46.36.111.95.033.63.645.15.928.72.4
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............
total11.54.46.36.111.95.033.63.645.15.928.72.4
totalno treatment11.54.46.36.111.95.033.63.645.15.928.72.4
tending1.91.918.89.811.95.06.81.94.22.46.71.3
thinning32.76.525.010.831.07.18.52.15.62.715.01.9
establishment cut17.35.225.010.811.95.012.52.57.03.012.61.8
removal cut7.73.7..2.42.43.41.45.62.74.21.1
plentering13.54.76.36.14.83.31.10.8..3.41.0
thinning of mountain forest9.64.16.36.116.75.829.53.423.95.122.82.2
coppice cut........8.43.31.70.7
conversion......0.60.6..0.30.3
transformation............
sanitary felling3.82.7..2.42.41.10.8..1.40.6
plentering in broadleaf forest..12.58.34.83.31.10.8..1.70.7
tending of forest edge....2.42.40.60.6..0.60.4
planting............
agrosilvicultural treatments1.91.9....1.10.8..0.80.5
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 #168586/154969

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpine0-20%..............
21-40%..............
41-60%..............
61-80%......100.0.100.0...100.0.
over 80%..............
total......100.0.100.0...100.0.
lower subalpine0-20%....14.313.210.69.9....10.36.9
21-40%..............
41-60%100.0...14.313.219.912.6....20.19.0
61-80%....14.313.219.912.6....14.87.9
over 80%....57.118.749.715.8..100.0.54.911.1
total100.0...100.0.100.0...100.0.100.0.
upper montane0-20%..............
21-40%..........9.18.63.13.1
41-60%....15.410.050.025.0..18.511.818.76.9
61-80%....23.111.725.021.725.021.736.214.528.18.0
over 80%....61.513.525.021.775.021.736.214.550.08.8
total....100.0.100.0.100.0.100.0.100.0.
lower montane0-20%......33.327.3....3.73.7
21-40%..............
41-60%....14.39.4......7.75.2
61-80%....7.16.966.727.350.035.4..15.17.0
over 80%100.0...78.611.0..50.035.4100.0.73.48.6
total100.0...100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%..............
21-40%..............
41-60%..............
61-80%....16.715.220.017.9..26.711.417.66.5
over 80%100.0.100.0.83.315.280.017.9..73.311.482.46.5
total100.0.100.0.100.0.100.0...100.0.100.0.
total0-20%....2.52.58.65.8....2.61.5
21-40%..........3.03.00.90.9
41-60%11.310.6..12.55.216.67.6..6.24.210.32.8
61-80%....15.05.633.29.650.017.724.27.522.33.9
over 80%88.710.6100.0.70.07.241.610.150.017.766.68.263.94.5
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 #168587/154970

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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..0.41000.4100....0.771
thinning1.1580.41000.771....2.241
establishment cut1.158....1.745..2.835
removal cut0.4100....1.0580.7712.141
plentering0.4100........0.4100
thinning of mountain forest0.7710.4100..1.7450.7713.532
coppice cut............
conversion......0.3100..0.3100
transformation............
sanitary felling0.4100....0.3100..0.771
plentering in broadleaf forest......0.3100..0.3100
tending of forest edge............
planting............
agrosilvicultural treatments............
total4.0301.1581.1585.5251.45013.116
2-5 yearsno treatment............
tending..0.41001.1582.1410.7714.229
thinning1.5500.41001.1580.31001.1584.329
establishment cut0.41001.1581.1581.0580.7714.229
removal cut0.771....0.7710.41001.845
plentering1.550..0.41000.3100..2.241
thinning of mountain forest0.4100..0.41004.5281.1586.323
coppice cut............
conversion............
transformation............
sanitary felling0.4100........0.4100
plentering in broadleaf forest....0.41000.3100..0.771
tending of forest edge......0.3100..0.3100
planting............
agrosilvicultural treatments............
total4.7271.8454.3299.7193.93024.412
6-10 yearsno treatment............
tending0.4100..0.41001.0580.41002.141
thinning1.8450.7712.2412.4380.41007.522
establishment cut0.771..0.41002.8350.41004.229
removal cut0.4100........0.4100
plentering0.771..0.4100....1.158
thinning of mountain forest....0.7715.9241.1587.721
coppice cut........1.1581.158
conversion............
transformation............
sanitary felling......0.3100..0.3100
plentering in broadleaf forest..0.771......0.771
tending of forest edge....0.4100....0.4100
planting............
agrosilvicultural treatments0.4100....0.3100..0.771
total4.4291.4504.32912.8163.23326.111
11-20 yearsno treatment............
tending..0.4100..1.058..1.450
thinning1.845..0.7712.438..5.027
establishment cut1.1580.41000.41002.1410.7714.628
removal cut....0.41000.31000.41001.158
plentering..0.4100..0.3100..0.771
thinning of mountain forest0.771..1.4505.9243.23311.218
coppice cut........1.1581.158
conversion............
transformation............
sanitary felling....0.4100....0.4100
plentering in broadleaf forest....0.4100....0.4100
tending of forest edge............
planting............
agrosilvicultural treatments......0.3100..0.3100
total3.7311.1583.63112.4165.32526.111
> 20 yearsno treatment2.2410.41001.84520.41311.41736.110
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............
total2.2410.41001.84520.41311.41736.110
totalno treatment2.2410.41001.84520.41311.41736.110
tending0.41001.1581.8454.1291.1588.420
thinning6.2241.4504.7275.2261.45018.914
establishment cut3.3331.4501.8457.6211.84515.915
removal cut1.550..0.41002.1411.4505.326
plentering2.6380.41000.7710.771..4.329
thinning of mountain forest1.8450.41002.53818.0146.02428.711
coppice cut........2.1412.141
conversion......0.3100..0.3100
transformation............
sanitary felling0.771..0.41000.771..1.845
plentering in broadleaf forest..0.7710.7710.771..2.141
tending of forest edge....0.41000.3100..0.771
planting............
agrosilvicultural treatments0.4100....0.771..1.158
total19.0135.62515.11560.8725.211125.85

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168588/154971

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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..............
tending1.51.5..2.02.0......0.60.4
thinning5.92.9..4.12.8......1.70.7
establishment cut4.42.5....2.61.86.33.5..2.20.8
removal cut1.51.5....1.31.34.22.92.82.01.70.7
plentering1.51.5..........0.30.3
thinning of mountain forest4.42.5..2.02.05.22.5..2.82.02.80.9
coppice cut..............
conversion..2.32.2........0.30.3
transformation..............
sanitary felling1.51.52.32.2........0.60.4
plentering in broadleaf forest....2.02.0......0.30.3
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total20.64.94.53.110.24.39.13.310.44.45.62.710.41.6
2-5 yearsno treatment..............
tending1.51.59.14.32.02.01.31.36.33.52.82.03.41.0
thinning7.43.24.53.14.12.8....4.22.43.41.0
establishment cut5.92.92.32.24.12.81.31.34.22.92.82.03.41.0
removal cut2.92.0..4.12.8....1.41.41.40.6
plentering5.92.92.32.2..1.31.3....1.70.7
thinning of mountain forest1.51.54.53.16.13.46.52.88.34.04.22.45.01.2
coppice cut..............
conversion..............
transformation..............
sanitary felling1.51.5..........0.30.3
plentering in broadleaf forest....4.12.8......0.50.4
tending of forest edge........2.12.1..0.30.3
planting..............
agrosilvicultural treatments..............
total26.55.422.76.324.56.110.43.520.85.915.54.319.42.1
6-10 yearsno treatment..............
tending1.51.54.53.12.02.0..2.12.11.41.41.70.7
thinning10.33.711.44.88.23.92.61.84.22.91.41.45.91.3
establishment cut2.92.0..2.02.07.83.14.22.91.41.43.30.9
removal cut1.51.5..........0.30.3
plentering2.92.02.32.2........0.90.5
thinning of mountain forest..9.14.38.23.911.73.74.22.94.22.46.11.3
coppice cut..........4.22.40.80.5
conversion..............
transformation..............
sanitary felling......1.31.3....0.30.3
plentering in broadleaf forest2.92.0..........0.60.4
tending of forest edge....2.02.0......0.30.3
planting..............
agrosilvicultural treatments1.51.5....1.31.3....0.60.4
total23.55.127.36.722.46.024.74.914.65.112.74.020.72.1
11-20 yearsno treatment..............
tending1.51.5..2.02.0..4.22.9..1.10.6
thinning7.43.24.53.12.02.07.83.1....3.91.0
establishment cut5.92.92.32.24.12.82.61.84.22.92.82.03.61.0
removal cut..2.32.22.02.0....1.41.40.80.5
plentering1.51.5......2.12.1..0.60.4
thinning of mountain forest2.92.015.95.514.35.07.83.12.12.112.73.99.01.5
coppice cut..........4.22.40.80.5
conversion..............
transformation..............
sanitary felling....2.02.0......0.30.3
plentering in broadleaf forest....2.02.0......0.30.3
tending of forest edge..............
planting..............
agrosilvicultural treatments....2.02.0......0.30.3
total19.14.825.06.530.66.618.24.412.54.821.14.820.72.1
> 20 yearsno treatment10.33.720.56.112.34.737.75.541.77.145.15.928.82.4
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..............
total10.33.720.56.112.34.737.75.541.77.145.15.928.82.4
totalno treatment10.33.720.56.112.34.737.75.541.77.145.15.928.82.4
tending5.92.913.65.28.23.91.31.312.54.84.22.46.81.3
thinning30.95.620.56.118.35.510.43.54.22.95.62.714.91.9
establishment cut19.14.84.53.110.24.314.34.018.85.67.03.012.61.8
removal cut5.92.92.32.26.13.41.31.34.22.95.62.74.21.1
plentering11.83.94.53.1..1.31.32.12.1..3.41.0
thinning of mountain forest8.83.429.56.930.66.631.25.314.65.123.95.122.92.2
coppice cut..........8.43.31.70.7
conversion..2.32.2........0.30.3
transformation..............
sanitary felling2.92.02.32.22.02.01.31.3....1.40.6
plentering in broadleaf forest2.92.0..8.23.9......1.70.7
tending of forest edge....2.02.0..2.12.1..0.60.4
planting..............
agrosilvicultural treatments1.51.5..2.02.01.31.3....0.80.5
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 #168589/154972

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine0-20%..............
21-40%..............
41-60%..............
61-80%......0.7710.771..1.450
over 80%..............
total......0.7710.771..1.450
lower subalpine0-20%....0.41000.4100....0.771
21-40%..............
41-60%0.4100..0.41000.771....1.450
61-80%....0.41000.771....1.058
over 80%....1.4501.744..0.7713.830
total0.4100..2.5383.431..0.7717.022
upper montane0-20%..............
21-40%..........0.41000.4100
41-60%....0.7710.771..0.7712.141
61-80%....1.1580.31000.41001.4503.233
over 80%....2.8350.31001.1581.4505.725
total....4.6281.4501.4503.93011.318
lower montane0-20%......0.3100....0.3100
21-40%..............
41-60%....0.771......0.771
61-80%....0.41000.7710.4100..1.450
over 80%0.771..3.930..0.41001.8456.823
total0.771..5.0271.0580.7711.8459.220
colline/submontane0-20%..............
21-40%..............
41-60%..............
61-80%....0.41000.3100..1.4502.141
over 80%2.2410.7711.8451.450..3.9309.919
total2.2410.7712.1411.744..5.32512.017
total0-20%....0.41000.771....1.158
21-40%..........0.41000.4100
41-60%0.4100..1.8451.450..0.7714.229
61-80%....2.1412.7351.4502.8359.119
over 80%2.9350.7719.9193.4311.4507.82126.211
total3.2330.77114.2168.2202.83511.81741.09

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168590/154973

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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..............
tending0.4100..0.3100......0.771
thinning1.450..0.771......2.141
establishment cut1.158....0.7711.158..2.835
removal cut0.4100....0.31000.7710.7712.141
plentering0.4100..........0.4100
thinning of mountain forest1.158..0.31001.450..0.7713.532
coppice cut..............
conversion..0.4100........0.4100
transformation..............
sanitary felling0.41000.4100........0.771
plentering in broadleaf forest....0.3100......0.3100
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total5.0270.7711.7442.4371.8451.45013.016
2-5 yearsno treatment..............
tending0.41001.4500.31000.31001.1580.7714.329
thinning1.8450.7710.771....1.1584.329
establishment cut1.4500.41000.7710.31000.7710.7714.229
removal cut0.771..0.771....0.41001.845
plentering1.4500.4100..0.3100....2.141
thinning of mountain forest0.41000.7711.0581.7441.4501.1586.324
coppice cut..............
conversion..............
transformation..............
sanitary felling0.4100..........0.4100
plentering in broadleaf forest....0.771......0.771
tending of forest edge........0.4100..0.4100
planting..............
agrosilvicultural treatments..............
total6.4233.6314.1282.7353.5313.93024.312
6-10 yearsno treatment..............
tending0.41000.7710.3100..0.41000.41002.141
thinning2.5381.8451.4500.7710.7710.41007.422
establishment cut0.771..0.31002.1410.7710.41004.229
removal cut0.4100..........0.4100
plentering0.7710.4100........1.158
thinning of mountain forest..1.4501.4503.1330.7711.1587.721
coppice cut..........1.1581.158
conversion..............
transformation..............
sanitary felling......0.3100....0.3100
plentering in broadleaf forest0.771..........0.771
tending of forest edge....0.3100......0.3100
planting..............
agrosilvicultural treatments0.4100....0.3100....0.771
total5.7254.3293.8306.5222.5383.23326.011
11-20 yearsno treatment..............
tending0.4100..0.3100..0.771..1.450
thinning1.8450.7710.31002.141....4.927
establishment cut1.4500.41000.7710.7710.7710.7714.628
removal cut..0.41000.3100....0.41001.158
plentering0.4100......0.4100..0.771
thinning of mountain forest0.7712.5382.4382.1410.41003.23311.218
coppice cut..........1.1581.158
conversion..............
transformation..............
sanitary felling....0.3100......0.3100
plentering in broadleaf forest....0.3100......0.3100
tending of forest edge..............
planting..............
agrosilvicultural treatments....0.3100......0.3100
total4.6284.0305.2254.8262.1415.32526.011
> 20 yearsno treatment2.5383.2332.1419.9187.02211.41736.210
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total2.5383.2332.1419.9187.02211.41736.210
totalno treatment2.5383.2332.1419.9187.02211.41736.210
tending1.4502.2411.4500.31002.1411.1588.520
thinning7.5223.2333.1332.7350.7711.45018.714
establishment cut4.6280.7711.7443.8303.2331.84515.815
removal cut1.4500.41001.0580.31000.7711.4505.326
plentering2.9350.771..0.31000.4100..4.329
thinning of mountain forest2.1414.7275.2258.2202.5386.02428.711
coppice cut..........2.1412.141
conversion..0.4100........0.4100
transformation..............
sanitary felling0.7710.41000.31000.3100....1.845
plentering in broadleaf forest0.771..1.450......2.141
tending of forest edge....0.3100..0.4100..0.771
planting..............
agrosilvicultural treatments0.4100..0.31000.3100....1.058
total24.31215.91516.91326.41016.91425.211125.55

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168591/154974

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
AG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
AI0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
AR0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
BE0-20%..24.621.4......5.95.7
21-40%............
41-60%..50.925.020.017.9....18.09.4
61-80%....40.021.9....11.77.8
over 80%..24.621.440.021.9100.0.100.0.64.411.6
total..100.0.100.0.100.0.100.0.100.0.
BL/BS0-20%............
21-40%............
41-60%............
61-80%............
over 80%........100.0.100.0.
total........100.0.100.0.
FR0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%............
41-60%....50.035.720.018.0..28.617.2
61-80%......20.018.0..14.313.3
over 80%....50.035.760.022.1..57.118.8
total....100.0.100.0...100.0.
GR0-20%............
21-40%............
41-60%....11.510.8....5.55.3
61-80%100.0...44.216.620.017.9..36.811.1
over 80%..100.0.44.216.680.017.9100.0.57.811.3
total100.0.100.0.100.0.100.0.100.0.100.0.
JU0-20%............
21-40%............
41-60%............
61-80%............
over 80%........100.0.100.0.
total........100.0.100.0.
LU0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
NE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
NW0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0...100.0.
total......100.0...100.0.
OW0-20%............
21-40%............
41-60%............
61-80%........100.0.50.035.7
over 80%..100.0.......50.035.7
total..100.0.....100.0.100.0.
SG0-20%............
21-40%............
41-60%............
61-80%............
over 80%....100.0.100.0.100.0.100.0.
total....100.0.100.0.100.0.100.0.
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
SO0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
SZ0-20%............
21-40%............
41-60%............
61-80%............
over 80%....100.0.100.0.100.0.100.0.
total....100.0.100.0.100.0.100.0.
TG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
TI0-20%............
21-40%....16.715.2....4.54.4
41-60%....16.715.2....4.54.4
61-80%....16.715.2..30.812.822.78.9
over 80%..100.0.50.020.4100.0.69.212.868.29.9
total..100.0.100.0.100.0.100.0.100.0.
UR0-20%............
21-40%............
41-60%......50.035.6..11.110.5
61-80%..33.327.425.021.8....22.213.9
over 80%..66.727.475.021.750.035.6..66.715.8
total..100.0.100.0.100.0...100.0.
VD0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
VS0-20%..10.69.9..33.327.3..8.65.8
21-40%............
41-60%..19.912.650.025.0....16.67.6
61-80%100.0.19.912.625.021.766.727.320.017.933.29.6
over 80%..49.715.825.021.7..80.017.941.610.1
total100.0.100.0.100.0.100.0.100.0.100.0.
ZG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
ZH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
Switzerland0-20%..10.26.8..3.73.6..2.61.5
21-40%....3.23.1....0.90.9
41-60%..20.29.019.17.07.75.3..10.32.8
61-80%100.0.14.77.927.87.915.37.017.66.522.13.8
over 80%..54.911.150.08.973.48.782.46.564.14.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168592/154975

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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....50.035.5........4.54.5............0.60.4
thinning4.83.310.09.5..11.110.5......9.16.1............1.70.7
establishment cut7.14.0....................2.61.86.33.5..2.20.8
removal cut2.42.4....................1.31.34.22.92.82.01.70.7
plentering2.42.4..........................0.30.3
thinning of mountain forest4.83.3....11.110.5..........7.16.9..5.22.5..2.82.02.70.9
coppice cut..............................
conversion................4.24.1..........0.30.3
transformation..............................
sanitary felling2.42.4..............4.24.1..........0.60.4
plentering in broadleaf forest....................7.77.4......0.30.3
tending of forest edge..............................
planting..............................
agrosilvicultural treatments..............................
total23.86.610.09.550.035.522.213.9......13.67.38.35.77.16.97.77.49.13.310.44.45.62.710.41.6
2-5 yearsno treatment..............................
tending......11.110.5....20.012.74.54.58.35.7....1.31.36.33.52.82.03.30.9
thinning9.54.5....11.110.5..10.09.5..9.16.14.24.1........4.22.43.41.0
establishment cut2.42.4....33.315.7..10.09.5..9.16.1......1.31.34.22.92.82.03.30.9
removal cut2.42.410.09.5..............7.16.97.77.4....1.41.41.40.6
plentering9.54.5..........10.09.5........1.31.3....1.70.7
thinning of mountain forest2.42.4..........10.09.5..4.24.17.16.915.410.06.52.88.34.04.22.45.01.2
coppice cut..............................
conversion..............................
transformation..............................
sanitary felling..10.09.5........................0.30.3
plentering in broadleaf forest..............4.54.5....7.77.4......0.60.4
tending of forest edge........................2.12.1..0.30.3
planting..............................
agrosilvicultural treatments..............................
total26.26.820.012.7..55.616.6..20.012.740.015.527.39.516.67.614.39.430.712.810.43.520.85.915.54.319.32.1
6-10 yearsno treatment..............................
tending2.42.4........10.09.5....4.24.1..7.77.4..2.12.11.41.41.70.7
thinning9.54.510.09.5....40.021.930.014.5..13.67.38.35.77.16.9..2.61.84.22.91.41.46.01.3
establishment cut4.83.3............4.54.5......7.83.14.22.91.41.43.30.9
removal cut..10.09.5........................0.30.3
plentering4.83.3..........10.09.5..............0.90.5
thinning of mountain forest..........10.09.510.09.5..8.35.714.39.415.410.011.73.74.22.94.22.46.11.3
coppice cut..........................4.22.40.80.5
conversion..............................
transformation..............................
sanitary felling......................1.31.3....0.30.3
plentering in broadleaf forest......11.110.520.017.9..................0.50.4
tending of forest edge..............4.54.5............0.30.3
planting..............................
agrosilvicultural treatments2.42.4....................1.31.3....0.60.4
total23.86.620.012.7..11.110.560.021.950.015.920.012.722.79.020.88.321.411.023.111.724.74.914.65.112.74.020.82.1
11-20 yearsno treatment..............................
tending........20.017.9........7.16.9....4.22.9..1.10.6
thinning7.14.020.012.7........10.09.54.54.54.24.1....7.83.1....4.01.0
establishment cut7.14.0..50.035.5........4.54.54.24.17.16.9..2.61.84.22.92.82.03.71.0
removal cut............10.09.5......7.77.4....1.41.40.90.5
plentering......11.110.5................2.12.1..0.50.4
thinning of mountain forest4.83.3........10.09.510.09.59.16.120.88.328.612.17.77.47.83.12.12.112.73.98.91.5
coppice cut..........................4.22.40.80.5
conversion..............................
transformation..............................
sanitary felling..............4.54.5............0.30.3
plentering in broadleaf forest..............4.54.5............0.30.3
tending of forest edge..............................
planting..............................
agrosilvicultural treatments..................7.16.9........0.30.3
total19.06.120.012.750.035.511.110.520.017.910.09.530.014.527.39.529.19.350.013.415.410.018.24.412.54.821.14.820.82.1
> 20 yearsno treatment7.14.030.014.5....20.017.920.012.710.09.59.16.125.18.97.16.923.211.737.75.541.77.145.15.928.82.4
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..............................
total7.14.030.014.5....20.017.920.012.710.09.59.16.125.18.97.16.923.211.737.75.541.77.145.15.928.82.4
totalno treatment7.14.030.014.5....20.017.920.012.710.09.59.16.125.18.97.16.923.211.737.75.541.77.145.15.928.82.4
tending2.42.4..50.035.511.110.520.017.910.09.520.012.79.16.112.56.87.16.97.77.41.31.312.54.84.22.46.81.3
thinning31.07.140.015.5..22.213.940.021.940.015.510.09.536.410.316.67.67.16.9..10.43.54.22.95.62.715.01.9
establishment cut21.46.3..50.035.533.315.7..10.09.5..18.28.24.24.17.16.9..14.34.018.85.67.03.012.51.7
removal cut4.83.320.012.7........10.09.5....7.16.915.410.01.31.34.22.95.62.74.31.1
plentering16.75.8....11.110.5....20.012.7........1.31.32.12.1..3.30.9
thinning of mountain forest11.95.0....11.110.5..20.012.730.014.59.16.133.39.657.113.338.413.531.25.314.65.123.95.122.82.2
coppice cut..........................8.43.31.70.7
conversion................4.24.1..........0.30.3
transformation..............................
sanitary felling2.42.410.09.5..........4.54.54.24.1....1.31.3....1.40.6
plentering in broadleaf forest......11.110.520.017.9....9.16.1....15.410.0......1.70.7
tending of forest edge..............4.54.5........2.12.1..0.60.4
planting..............................
agrosilvicultural treatments2.42.4................7.16.9..1.31.3....0.80.5
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.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #168593/154976

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
AI0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
AR0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
BE0-20%..0.3100......0.3100
21-40%............
41-60%..0.7710.3100....1.058
61-80%....0.771....0.771
over 80%..0.31000.7711.4501.4503.830
total..1.4501.7451.4501.4505.824
BL/BS0-20%............
21-40%............
41-60%............
61-80%............
over 80%........0.41000.4100
total........0.41000.4100
FR0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%............
41-60%....0.41000.4100..0.870
61-80%......0.4100..0.4100
over 80%....0.41001.257..1.549
total....0.8701.943..2.736
GR0-20%............
21-40%............
41-60%....0.4100....0.4100
61-80%0.771..1.4500.3100..2.438
over 80%..0.31001.4501.4500.7713.830
total0.7710.31003.2331.7450.7716.623
JU0-20%............
21-40%............
41-60%............
61-80%............
over 80%........1.2571.257
total........1.2571.257
LU0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
NE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
NW0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.4100..0.4100
total......0.4100..0.4100
OW0-20%............
21-40%............
41-60%............
61-80%........0.41000.4100
over 80%..0.4100......0.4100
total..0.4100....0.41000.770
SG0-20%............
21-40%............
41-60%............
61-80%............
over 80%....0.41000.41000.7701.450
total....0.41000.41000.7701.450
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
SO0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.41000.41000.870
total......0.41000.41000.870
SZ0-20%............
21-40%............
41-60%............
61-80%............
over 80%....0.41000.41000.41001.157
total....0.41000.41000.41001.157
TG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
TI0-20%............
21-40%....0.4100....0.4100
41-60%....0.4100....0.4100
61-80%....0.4100..1.4501.844
over 80%..0.41001.1580.7713.2335.425
total..0.41002.1410.7714.7277.921
UR0-20%............
21-40%............
41-60%......0.3100..0.3100
61-80%..0.31000.3100....0.770
over 80%..0.7701.0570.3100..2.039
total..1.0571.3490.770..3.031
VD0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.41000.41000.871
total......0.41000.41000.871
VS0-20%..0.4100..0.3100..0.771
21-40%............
41-60%..0.7710.771....1.450
61-80%0.7710.7710.31000.7710.31002.735
over 80%..1.7440.3100..1.4503.431
total0.7713.4311.4501.0581.7448.220
ZG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
ZH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
Switzerland0-20%..0.771..0.3100..1.058
21-40%....0.4100....0.4100
41-60%..1.4502.1410.771..4.229
61-80%1.4501.0583.1331.4502.1419.120
over 80%..3.8305.6256.82310.11926.311
total1.4506.92211.2189.31912.21741.09

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168594/154977

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 NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = 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........1.1581.158
tending....0.4100....0.4100
thinning0.7711.4501.4501.158..4.627
establishment cut1.1580.41000.7711.158..3.233
removal cut0.41000.4100......0.771
plentering0.41001.4500.771....2.538
thinning of mountain forest0.7710.4100..0.771..1.845
coppice cut............
conversion............
transformation............
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.4100....0.4100
total3.6313.9303.6312.9351.15815.015
Eastern Jurano treatment........1.2571.257
tending............
thinning0.4100..0.41000.870..1.649
establishment cut............
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............
total0.41000.8700.8700.8701.2574.030
Western Plateauno treatment............
tending0.4100........0.4100
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............
total0.4100....0.4100..0.870
Central Plateauno treatment............
tending..0.3100......0.3100
thinning0.31000.3100......0.671
establishment cut..0.957......0.957
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............
total0.6711.5440.31000.3100..2.833
Eastern Plateauno treatment........0.41000.4100
tending......0.4100..0.4100
thinning....0.771....0.771
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest....0.4100....0.4100
tending of forest edge............
planting............
agrosilvicultural treatments............
total....1.1580.41000.41001.844
Western Pre-Alpsno treatment........0.7700.770
tending....0.4100....0.4100
thinning..0.41001.157....1.549
establishment cut..0.4100......0.4100
removal cut............
plentering............
thinning of mountain forest....0.41000.4100..0.770
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.7701.9440.41000.7703.730
Central Pre-Alpsno treatment........0.41000.4100
tending..0.771......0.771
thinning......0.4100..0.4100
establishment cut............
removal cut......0.4100..0.4100
plentering..0.41000.4100....0.771
thinning of mountain forest..0.41000.41000.4100..1.158
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..1.4500.7711.1580.41003.631
Eastern Pre-Alpsno treatment........0.7710.771
tending0.41000.4100......0.771
thinning0.7710.7711.1570.4100..2.935
establishment cut..0.7710.41000.4100..1.450
removal cut............
plentering............
thinning of mountain forest......0.771..0.771
coppice cut............
conversion............
transformation............
sanitary felling......0.4100..0.4100
plentering in broadleaf forest..0.4100..0.4100..0.771
tending of forest edge....0.4100....0.4100
planting............
agrosilvicultural treatments............
total1.1572.1401.8442.1400.7717.920
Northwestern Alpsno treatment........2.2402.240
tending..0.7710.4100....1.157
thinning..0.41000.7710.4100..1.450
establishment cut......0.4100..0.4100
removal cut............
plentering............
thinning of mountain forest..0.41000.7711.844..2.935
coppice cut............
conversion0.4100........0.4100
transformation............
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.7711.4501.8442.5372.2408.619
Central Alpsno treatment........0.31000.3100
tending......0.3100..0.3100
thinning....0.3100....0.3100
establishment cut......0.3100..0.3100
removal cut..0.3100......0.3100
plentering............
thinning of mountain forest0.31000.31000.7701.449..2.734
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......0.3100..0.3100
total0.31000.7701.0572.4370.31004.825
Northeastern Alpsno treatment........1.1581.158
tending....0.4100....0.4100
thinning............
establishment cut............
removal cut..0.4100..0.4100..0.770
plentering............
thinning of mountain forest..0.7700.7700.4100..1.844
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest0.41000.4100......0.770
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41001.4491.1570.7701.1584.726
Southwestern Alpsno treatment........9.9189.918
tending..0.3100......0.3100
thinning....0.7712.141..2.735
establishment cut0.7710.31002.1410.771..3.830
removal cut0.3100........0.3100
plentering..0.3100......0.3100
thinning of mountain forest1.4501.7443.1332.141..8.220
coppice cut............
conversion............
transformation............
sanitary felling....0.3100....0.3100
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.3100....0.3100
total2.4372.7356.5224.8269.91826.410
Southeastern Alpsno treatment........7.0227.022
tending..1.1580.41000.771..2.141
thinning....0.771....0.771
establishment cut1.1580.7710.7710.771..3.233
removal cut0.771........0.771
plentering......0.4100..0.4100
thinning of mountain forest..1.4500.7710.4100..2.538
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge..0.4100......0.4100
planting............
agrosilvicultural treatments............
total1.8453.5312.5382.1417.02216.914
Southern Alpsno treatment........11.41711.417
tending..0.7710.4100....1.158
thinning..1.1580.4100....1.450
establishment cut..0.7710.41000.771..1.845
removal cut0.7710.4100..0.4100..1.450
plentering............
thinning of mountain forest0.7711.1581.1583.233..6.024
coppice cut....1.1581.158..2.141
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.4503.9303.2335.32511.41725.211
Switzerlandno treatment........36.31036.310
tending0.8714.2292.1411.450..8.520
thinning2.1414.2297.5225.027..18.914
establishment cut2.8354.1294.2294.628..15.815
removal cut2.1411.8450.41001.158..5.426
plentering0.41002.1411.1580.771..4.229
thinning of mountain forest3.4326.3247.72111.318..28.711
coppice cut....1.1581.158..2.141
conversion0.4100........0.4100
transformation............
sanitary felling0.7710.41000.31000.4100..1.845
plentering in broadleaf forest0.41000.7710.7710.4100..2.141
tending of forest edge..0.41000.4100....0.771
planting............
agrosilvicultural treatments....0.7710.3100..1.058
total13.11624.31226.11126.21136.310126.05

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168595/154978

NFI3

forest area: altitudinal vegetation zone · regeneration cover · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionregeneration cover %± %± %± %± %± %±
Western Jura< 1%......50.035.4..12.411.7
1-9%..100.0...50.035.420.017.937.817.2
10-25%........60.021.937.317.1
26-50%............
51-75%........20.017.912.411.7
76-100%............
total..100.0...100.0.100.0.100.0.
Eastern Jura< 1%............
1-9%............
10-25%............
26-50%........100.0.100.0.
51-75%............
76-100%............
total........100.0.100.0.
Western Plateau< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateau< 1%............
1-9%............
10-25%............
26-50%........100.0.100.0.
51-75%............
76-100%............
total........100.0.100.0.
Eastern Plateau< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alps< 1%............
1-9%............
10-25%....100.0.....100.0.
26-50%............
51-75%............
76-100%............
total....100.0.....100.0.
Central Pre-Alps< 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-Alps< 1%............
1-9%........50.035.433.327.3
10-25%............
26-50%............
51-75%......100.0.50.035.466.727.3
76-100%............
total......100.0.100.0.100.0.
Northwestern Alps< 1%......25.021.7..7.77.4
1-9%....66.727.325.021.766.727.338.513.5
10-25%..33.327.333.327.325.021.7..23.111.7
26-50%..33.327.3......7.77.4
51-75%......25.021.7..7.77.4
76-100%..33.327.3....33.327.315.410.0
total..100.0.100.0.100.0.100.0.100.0.
Central Alps< 1%....20.018.0....9.18.7
1-9%....40.022.050.035.5..27.313.5
10-25%..100.0.......27.313.5
26-50%....20.018.050.035.5100.0.27.313.5
51-75%....20.018.0....9.18.7
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
Northeastern Alps< 1%....33.327.3....11.110.5
1-9%....33.327.350.020.5..44.416.6
10-25%......33.319.3..22.213.9
26-50%............
51-75%......16.715.3..11.110.5
76-100%....33.327.3....11.110.5
total....100.0.100.0...100.0.
Southwestern Alps< 1%............
1-9%100.0.60.215.525.021.7..40.021.946.010.2
10-25%..19.912.6..33.327.340.021.920.88.3
26-50%..19.912.650.025.033.327.320.017.924.98.8
51-75%....25.021.7....4.24.1
76-100%......33.327.3..4.24.1
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alps< 1%......50.035.4..11.110.5
1-9%50.035.4..20.017.9....22.213.9
10-25%50.035.4..60.021.9....44.416.6
26-50%....20.017.950.035.4..22.213.9
51-75%............
76-100%............
total100.0...100.0.100.0...100.0.
Southern Alps< 1%............
1-9%..50.035.440.215.520.017.933.312.234.58.4
10-25%....39.815.540.021.960.012.746.88.8
26-50%....19.912.6....6.24.3
51-75%..50.035.4..40.021.9..9.45.2
76-100%........6.76.43.13.1
total..100.0.100.0.100.0.100.0.100.0.
Switzerland< 1%....6.24.311.66.3..4.31.9
1-9%74.721.845.211.134.48.427.08.732.48.035.44.4
10-25%25.321.829.710.228.48.027.08.741.28.431.94.3
26-50%..14.98.021.77.311.36.111.65.514.53.3
51-75%..5.14.96.14.219.47.85.94.18.72.6
76-100%..5.15.03.23.13.73.78.94.95.22.1
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 #168596/154979

NFI4b

forest area: altitudinal vegetation zone · regeneration cover · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantonregeneration cover %± %± %± %± %± %±
AG< 1%............
1-9%........33.327.333.327.3
10-25%........33.327.333.327.3
26-50%............
51-75%............
76-100%........33.327.333.327.3
total........100.0.100.0.
AI< 1%..100.0.......100.0.
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total..100.0.......100.0.
AR< 1%............
1-9%......66.727.6..33.319.6
10-25%....100.0...100.0.50.020.8
26-50%......33.327.7..16.715.5
51-75%............
76-100%............
total....100.0.100.0.100.0.100.0.
BE< 1%............
1-9%100.0.75.021.733.212.225.010.831.311.634.66.6
10-25%..25.021.726.511.437.512.131.311.630.76.4
26-50%....13.38.731.311.618.89.819.25.5
51-75%....20.410.5..12.58.39.74.1
76-100%....6.66.46.36.16.36.15.83.2
total100.0.100.0.100.0.100.0.100.0.100.0.
BL/BS< 1%......100.0...16.715.3
1-9%........20.018.016.715.3
10-25%........60.022.150.020.6
26-50%............
51-75%............
76-100%........20.018.016.715.3
total......100.0.100.0.100.0.
FR< 1%............
1-9%......50.035.5100.0.50.025.1
10-25%......50.035.5..25.021.7
26-50%............
51-75%............
76-100%....100.0.....25.021.7
total....100.0.100.0.100.0.100.0.
GE< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
GL< 1%......25.021.8..12.511.8
1-9%....33.327.525.021.8..25.015.4
10-25%....66.727.450.025.2..50.017.8
26-50%........100.0.12.511.8
51-75%............
76-100%............
total....100.0.100.0.100.0.100.0.
GR< 1%..7.77.413.07.08.38.0..8.33.6
1-9%50.025.038.513.543.610.441.714.225.015.340.06.3
10-25%50.025.023.111.726.09.250.014.450.017.735.06.2
26-50%..15.410.08.75.9..12.511.78.33.6
51-75%..15.410.08.75.9..12.511.78.33.6
76-100%............
total100.0.100.0.100.0.100.0.100.0.100.0.
JU< 1%............
1-9%............
10-25%......25.021.8..20.018.0
26-50%......25.021.8100.0.40.022.0
51-75%............
76-100%......50.025.1..40.022.0
total......100.0.100.0.100.0.
LU< 1%............
1-9%........100.0.100.0.
10-25%............
26-50%............
51-75%............
76-100%............
total........100.0.100.0.
NE< 1%............
1-9%............
10-25%......14.313.3..10.09.5
26-50%....33.327.414.313.3..20.012.7
51-75%....33.327.442.918.8..40.015.6
76-100%....33.327.428.617.2..30.014.6
total....100.0.100.0...100.0.
NW< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%......100.0...100.0.
total......100.0...100.0.
OW< 1%............
1-9%..100.0.......25.021.8
10-25%......50.035.7..25.021.8
26-50%............
51-75%......50.035.7100.0.50.025.2
76-100%............
total..100.0...100.0.100.0.100.0.
SG< 1%....50.025.114.313.3..17.79.3
1-9%..100.0...14.313.320.017.917.69.2
10-25%....25.021.714.313.340.022.023.610.3
26-50%....25.021.714.313.320.017.917.79.3
51-75%......28.617.120.017.917.79.3
76-100%......14.313.3..5.95.7
total..100.0.100.0.100.0.100.0.100.0.
SH< 1%............
1-9%......100.0...50.035.8
10-25%............
26-50%............
51-75%............
76-100%........100.0.50.035.8
total......100.0.100.0.100.0.
SO< 1%............
1-9%......100.0...33.327.4
10-25%........50.035.633.327.4
26-50%............
51-75%............
76-100%........50.035.633.327.4
total......100.0.100.0.100.0.
SZ< 1%............
1-9%............
10-25%....100.0.50.035.6..60.022.0
26-50%........100.0.20.018.0
51-75%............
76-100%......50.035.6..20.018.0
total....100.0.100.0.100.0.100.0.
TG< 1%............
1-9%............
10-25%............
26-50%....100.0.....50.035.6
51-75%......100.0...50.035.6
76-100%............
total....100.0.100.0...100.0.
TI< 1%..14.313.2..10.09.56.54.46.83.3
1-9%100.0.57.118.728.617.170.014.541.98.950.86.5
10-25%..28.617.157.118.710.09.535.58.630.56.0
26-50%....14.313.210.09.516.16.611.94.2
51-75%............
76-100%............
total100.0.100.0.100.0.100.0.100.0.100.0.
UR< 1%....40.022.033.327.4..25.012.6
1-9%....20.018.033.327.450.035.625.012.6
10-25%..100.0.......16.710.8
26-50%....20.018.033.327.4..16.710.8
51-75%....20.018.0..50.035.616.710.8
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
VD< 1%............
1-9%....33.319.350.025.020.017.929.411.1
10-25%..50.035.416.715.225.021.740.021.929.411.1
26-50%....16.715.2....5.95.7
51-75%..50.035.4......5.95.7
76-100%....33.319.325.021.740.021.929.411.1
total..100.0.100.0.100.0.100.0.100.0.
VS< 1%..3.43.45.95.7....2.61.8
1-9%83.315.258.69.135.311.633.313.638.513.548.15.7
10-25%16.715.210.35.735.311.633.313.630.812.823.44.8
26-50%..24.18.017.69.325.012.530.812.822.14.7
51-75%..3.43.4..8.38.0..2.61.8
76-100%....5.95.7....1.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.
ZG< 1%............
1-9%............
10-25%............
26-50%......100.0...100.0.
51-75%............
76-100%............
total......100.0...100.0.
ZH< 1%............
1-9%............
10-25%........100.0.100.0.
26-50%............
51-75%............
76-100%............
total........100.0.100.0.
Switzerland< 1%..6.63.28.93.06.62.62.01.45.61.2
1-9%80.110.351.76.530.54.931.94.832.04.736.92.5
10-25%19.910.320.05.231.64.927.84.635.54.829.32.4
26-50%..14.94.614.43.715.83.817.03.815.01.9
51-75%..6.83.37.72.88.12.85.92.36.91.3
76-100%....6.92.79.83.17.52.76.41.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168597/154980
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