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NFI4b

forest area: stand stability · regeneration cover · 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
stand stability
criticalless stablestabletotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG< 1%........
1-9%..0.4100..0.4100
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%..0.4100..0.4100
total..0.8700.41001.257
AI< 1%....0.31000.3100
1-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total....0.31000.3100
AR< 1%........
1-9%....0.6690.669
10-25%..0.31000.6691.055
26-50%....0.31000.3100
51-75%........
76-100%........
total..0.31001.6411.937
BE< 1%........
1-9%0.31002.1413.8306.223
10-25%0.7713.1331.7455.525
26-50%..1.0582.4383.431
51-75%....1.7451.745
76-100%..0.7710.31001.058
total1.0586.8229.91817.813
BL/BS< 1%....0.41000.4100
1-9%..0.4100..0.4100
10-25%..1.257..1.257
26-50%........
51-75%........
76-100%....0.41000.4100
total..1.6490.8702.439
FR< 1%........
1-9%..0.770..0.770
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%....0.41000.4100
total..1.1570.41001.549
GE< 1%........
1-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GL< 1%..0.4100..0.4100
1-9%..0.41000.41000.870
10-25%..0.8700.8701.549
26-50%..0.4100..0.4100
51-75%........
76-100%........
total..1.9431.2573.133
GR< 1%..1.0580.7711.745
1-9%0.31003.1334.9268.420
10-25%..3.1334.2297.321
26-50%..0.31001.4501.745
51-75%..0.31001.4501.745
76-100%........
total0.31008.02012.61621.012
JU< 1%........
1-9%........
10-25%..0.4100..0.4100
26-50%..0.41000.41000.870
51-75%........
76-100%....0.8700.870
total..0.8701.2571.944
LU< 1%........
1-9%....0.31000.3100
10-25%........
26-50%........
51-75%........
76-100%........
total....0.31000.3100
NE< 1%........
1-9%........
10-25%..0.3100..0.3100
26-50%....0.6700.670
51-75%..0.31001.0571.349
76-100%..0.31000.6701.057
total..1.0572.2373.230
NW< 1%........
1-9%........
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.41000.4100
OW< 1%........
1-9%..0.4100..0.4100
10-25%0.4100....0.4100
26-50%........
51-75%..0.41000.41000.770
76-100%........
total0.41000.7700.41001.549
SG< 1%..0.41000.7701.157
1-9%..0.41000.7711.158
10-25%..0.7700.7701.450
26-50%..0.41000.7701.157
51-75%..0.7700.41001.157
76-100%....0.41000.4100
total..2.5373.6316.123
SH< 1%........
1-9%....0.41000.4100
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.7700.770
SO< 1%........
1-9%..0.4100..0.4100
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%..0.4100..0.4100
total..1.157..1.157
SZ< 1%........
1-9%........
10-25%0.41000.770..1.157
26-50%....0.41000.4100
51-75%........
76-100%....0.41000.4100
total0.41000.7700.7701.844
TG< 1%........
1-9%........
10-25%........
26-50%....0.31000.3100
51-75%..0.3100..0.3100
76-100%........
total..0.31000.31000.670
TI< 1%0.41000.41000.7711.450
1-9%0.41005.0265.42510.718
10-25%1.1583.2332.1416.423
26-50%..1.8440.7712.537
51-75%........
76-100%........
total1.84410.4189.01921.112
UR< 1%0.31000.770..1.057
1-9%..0.31000.7701.057
10-25%....0.7700.770
26-50%..0.770..0.770
51-75%..0.31000.31000.770
76-100%........
total0.31002.0391.7434.027
VD< 1%........
1-9%..1.1580.8711.944
10-25%..1.944..1.944
26-50%....0.41000.4100
51-75%....0.41000.4100
76-100%..0.41001.5501.944
total..3.4333.0356.524
VS< 1%0.3100..0.31000.771
1-9%1.7446.2234.82612.716
10-25%0.31002.4373.4316.223
26-50%0.7713.8301.4505.824
51-75%0.3100..0.31000.771
76-100%0.3100....0.3100
total3.83012.31610.31826.410
ZG< 1%........
1-9%........
10-25%........
26-50%....0.41000.4100
51-75%........
76-100%........
total....0.41000.4100
ZH< 1%........
1-9%........
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%........
total..0.4100..0.4100
Switzerland< 1%1.0582.8353.2337.122
1-9%2.83520.91322.71246.38
10-25%2.83519.31414.71536.810
26-50%0.7718.7209.41918.813
51-75%0.31002.4385.9248.620
76-100%0.31002.2415.5268.021
total8.02156.3861.47125.75

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168526/154909

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %±
0-1 yearno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest......1.61.6..0.90.9
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......1.61.6..0.90.9
total......3.32.3..1.81.3
2-5 yearsno treatment............
tending....12.511.73.32.3..2.81.6
thinning......1.61.6..0.90.9
establishment cut....12.511.73.32.3..2.81.6
removal cut........3.43.40.90.9
plentering......1.61.6..0.90.9
thinning of mountain forest......6.63.23.43.44.62.0
coppice cut........3.43.40.90.9
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........3.43.40.90.9
total....25.015.316.44.713.86.414.83.4
6-10 yearsno treatment............
tending......4.92.8..2.71.6
thinning22.213.9..12.511.7....2.91.6
establishment cut......3.32.33.43.42.81.6
removal cut............
plentering............
thinning of mountain forest......4.92.8..2.71.6
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments11.110.5........1.01.0
total33.415.7..12.511.713.14.33.43.412.13.1
11-20 yearsno treatment............
tending11.110.5....1.61.6..1.91.3
thinning......3.32.33.43.42.81.6
establishment cut....12.511.76.63.2..4.62.0
removal cut........3.43.40.90.9
plentering............
thinning of mountain forest......6.63.2..3.61.8
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........3.43.40.90.9
total11.110.5..12.511.718.04.910.35.714.73.4
> 20 yearsno treatment55.516.6100.0.50.017.749.26.472.58.356.64.8
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............
total55.516.6100.0.50.017.749.26.472.58.356.64.8
totalno treatment55.516.6100.0.50.017.749.26.472.58.356.64.8
tending11.110.5..12.511.79.83.8..7.42.5
thinning22.213.9..12.511.74.92.83.43.46.52.4
establishment cut....25.015.313.14.33.43.410.12.9
removal cut........6.94.71.91.3
plentering......1.61.6..0.90.9
thinning of mountain forest......19.75.13.43.411.93.1
coppice cut........3.43.40.90.9
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments11.110.5....1.61.66.94.73.71.8
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 #168527/154910

NFI4b

forest area: stand stability · regeneration cover · 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
stand stabilityregeneration cover %± %± %± %± %± %±
critical< 1%......1.10.81.41.40.80.5
1-9%......4.01.51.41.42.20.8
10-25%1.91.9..4.83.31.10.84.22.42.30.8
26-50%......1.10.8..0.50.4
51-75%......0.60.6..0.30.3
76-100%......0.60.6..0.30.3
total1.91.9..4.83.38.52.17.03.06.41.3
less stable< 1%....2.42.43.41.41.41.42.20.8
1-9%9.64.16.36.111.95.018.22.922.55.016.52.0
10-25%15.45.06.36.126.26.813.62.614.14.115.21.9
26-50%5.83.26.36.12.42.47.92.08.43.37.01.3
51-75%1.91.918.89.82.42.41.10.8..2.00.7
76-100%5.83.26.36.1..1.10.8..1.70.7
total38.56.743.812.445.27.745.43.846.55.944.52.6
stable< 1%1.91.9..4.83.31.71.04.22.42.50.8
1-9%13.54.725.010.87.14.018.22.926.85.318.22.0
10-25%7.73.7..4.83.315.32.712.73.911.71.7
26-50%13.54.718.89.89.54.56.21.82.82.07.61.4
51-75%7.73.76.36.19.54.54.61.6..4.81.1
76-100%15.45.06.36.114.35.4....4.31.1
total59.66.856.312.450.07.746.13.846.55.949.12.6
total< 1%1.91.9..7.14.06.21.87.03.05.61.2
1-9%23.15.831.311.619.06.140.33.750.75.936.82.5
10-25%25.06.06.36.135.77.430.13.531.05.529.12.4
26-50%19.25.525.010.811.95.015.32.711.33.815.11.9
51-75%9.64.125.010.811.95.06.31.8..7.01.4
76-100%21.25.712.58.314.35.41.71.0..6.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168528/154911

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno treatment............
tending............
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......0.3100..0.3100
total......0.771..0.771
2-5 yearsno treatment............
tending....0.41000.771..1.158
thinning......0.3100..0.3100
establishment cut....0.41000.771..1.158
removal cut........0.41000.4100
plentering......0.3100..0.3100
thinning of mountain forest......1.4500.41001.745
coppice cut........0.41000.4100
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........0.41000.4100
total....0.7713.5311.4505.625
6-10 yearsno treatment............
tending......1.058..1.058
thinning0.771..0.4100....1.158
establishment cut......0.7710.41001.058
removal cut............
plentering............
thinning of mountain forest......1.058..1.058
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments0.4100........0.4100
total1.158..0.41002.8350.41004.628
11-20 yearsno treatment............
tending0.4100....0.3100..0.771
thinning......0.7710.41001.058
establishment cut....0.41001.450..1.745
removal cut........0.41000.4100
plentering............
thinning of mountain forest......1.450..1.450
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........0.41000.4100
total0.4100..0.41003.8301.1585.625
> 20 yearsno treatment1.8450.41001.45010.4187.52121.513
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............
total1.8450.41001.45010.4187.52121.513
totalno treatment1.8450.41001.45010.4187.52121.513
tending0.4100..0.41002.141..2.835
thinning0.771..0.41001.0580.41002.538
establishment cut....0.7712.8350.41003.830
removal cut........0.7710.771
plentering......0.3100..0.3100
thinning of mountain forest......4.1290.41004.528
coppice cut........0.41000.4100
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments0.4100....0.31000.7711.450
total3.3330.41002.93521.11210.31837.99

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168529/154912

NFI4b

forest area: stand stability · regeneration cover · 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
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%......0.7710.41001.058
1-9%......2.4380.41002.835
10-25%0.4100..0.7710.7711.1582.835
26-50%......0.771..0.771
51-75%......0.3100..0.3100
76-100%......0.3100..0.3100
total0.4100..0.7715.2261.8458.021
less stable< 1%....0.41002.1410.41002.835
1-9%1.8450.41001.84511.1175.72520.713
10-25%2.9350.41004.0308.3203.53119.113
26-50%1.1580.41000.41004.8272.1418.820
51-75%0.41001.1580.41000.771..2.538
76-100%1.1580.4100..0.771..2.141
total7.3222.5386.82327.61111.71755.98
stable< 1%0.4100..0.7711.0581.1583.233
1-9%2.6381.4501.15811.1176.72322.912
10-25%1.550..0.7719.3193.23314.715
26-50%2.6381.1581.4503.8300.7719.619
51-75%1.5500.41001.4502.835..6.024
76-100%2.9350.41002.241....5.426
total11.3173.2337.62128.01111.71761.87
total< 1%0.4100..1.1583.8301.8457.022
1-9%4.4291.8452.93524.51212.81646.38
10-25%4.7270.41005.42618.3137.82136.610
26-50%3.7311.4501.8459.3192.83519.013
51-75%1.8451.4501.8453.830..8.920
76-100%4.0300.7712.2411.058..7.921
total19.0135.62515.11560.8725.211125.85

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168530/154913

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest........16.715.2..0.90.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments......4.24.1....0.90.9
total......4.24.116.715.2..1.81.3
2-5 yearsno treatment..............
tending..17.69.3........2.91.6
thinning....4.54.4......0.90.9
establishment cut....13.67.3......2.71.6
removal cut..........3.43.40.90.9
plentering........16.715.2..0.90.9
thinning of mountain forest..5.95.7..8.35.616.715.23.43.44.62.0
coppice cut..........3.43.40.90.9
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........3.43.40.90.9
total..23.510.318.28.28.35.633.319.313.86.414.83.4
6-10 yearsno treatment..............
tending..5.95.7..8.35.6....2.81.6
thinning20.012.6..4.54.4......2.81.6
establishment cut........33.319.33.43.42.81.6
removal cut..............
plentering..............
thinning of mountain forest....4.54.48.35.6....2.71.5
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments10.09.5..........0.90.9
total30.014.55.95.79.16.116.67.633.319.33.43.412.03.1
11-20 yearsno treatment..............
tending10.09.5..4.54.4......1.91.3
thinning..5.95.74.54.4....3.43.42.81.6
establishment cut....18.28.24.24.1....4.52.0
removal cut..........3.43.40.90.9
plentering..............
thinning of mountain forest..17.69.3..4.24.1....3.81.8
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........3.43.40.90.9
total10.09.523.510.327.39.58.35.6..10.35.714.83.4
> 20 yearsno treatment60.115.547.112.145.510.662.69.916.715.272.58.356.54.8
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..............
total60.115.547.112.145.510.662.69.916.715.272.58.356.54.8
totalno treatment60.115.547.112.145.510.662.69.916.715.272.58.356.54.8
tending10.09.523.510.34.54.48.35.6....7.52.5
thinning20.012.65.95.713.67.3....3.43.46.52.4
establishment cut....31.89.94.24.133.319.33.43.410.12.9
removal cut..........6.94.71.91.3
plentering........16.715.2..0.90.9
thinning of mountain forest..23.510.34.54.420.88.333.319.33.43.412.03.1
coppice cut..........3.43.40.90.9
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments10.09.5....4.24.1..6.94.73.71.8
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 #168531/154914

NFI4b

forest area: stand stability · regeneration cover · 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
stand stabilityregeneration cover %± %± %± %± %± %± %±
critical< 1%....2.02.01.31.3..1.41.40.80.5
1-9%..2.32.2..6.52.82.12.11.41.42.20.8
10-25%1.51.54.53.12.02.01.31.3..4.22.42.30.8
26-50%......2.61.8....0.50.4
51-75%......1.31.3....0.30.3
76-100%......1.31.3....0.30.3
total1.51.56.83.84.12.814.34.02.12.17.03.06.41.3
less stable< 1%....8.23.9..6.33.51.41.42.20.8
1-9%8.83.420.56.16.13.423.44.814.65.122.55.016.52.0
10-25%13.24.127.36.716.35.39.13.316.75.414.14.115.21.9
26-50%5.92.9..8.23.914.34.0..8.43.36.91.3
51-75%5.92.92.32.22.02.0..2.12.1..2.00.7
76-100%5.92.94.53.1........1.70.7
total39.75.954.57.540.87.046.85.739.67.146.55.944.52.6
stable< 1%1.51.5..6.13.41.31.32.12.14.22.42.50.8
1-9%16.24.59.14.314.45.018.24.420.85.926.85.318.22.0
10-25%5.92.94.53.116.35.313.03.818.85.612.73.911.71.7
26-50%14.74.34.53.110.24.35.22.58.34.02.82.07.61.4
51-75%7.43.211.44.84.12.81.31.38.34.0..4.81.1
76-100%13.24.19.14.34.12.8......4.31.1
total58.86.038.67.355.17.139.05.658.37.146.55.949.12.6
total< 1%1.51.5..16.35.32.61.88.34.07.03.05.61.2
1-9%25.05.331.87.020.55.848.15.737.57.050.75.936.92.5
10-25%20.64.936.47.334.76.823.44.835.46.931.05.529.12.4
26-50%20.64.94.53.118.35.522.14.78.34.011.33.815.11.9
51-75%13.24.113.65.26.13.42.61.810.44.4..7.11.4
76-100%19.14.813.65.24.12.81.31.3....6.21.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168532/154915

NFI4b

forest area: stand stability · regeneration cover · 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
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%....0.31000.3100..0.41001.058
1-9%..0.4100..1.7440.41000.41002.835
10-25%0.41000.7710.31000.3100..1.1582.835
26-50%......0.771....0.771
51-75%......0.3100....0.3100
76-100%......0.3100....0.3100
total0.41001.1580.7713.8300.41001.8458.021
less stable< 1%....1.450..1.1580.41002.835
1-9%2.1413.2331.0586.2232.5385.72520.713
10-25%3.2334.3292.8352.4372.8353.53119.114
26-50%1.450..1.4503.830..2.1418.720
51-75%1.4500.41000.3100..0.4100..2.538
76-100%1.4500.771........2.241
total9.7198.7206.92212.3166.72211.71755.98
stable< 1%0.4100..1.0580.31000.41001.1583.133
1-9%3.9301.4502.4384.8263.5316.72322.912
10-25%1.4500.7712.8353.4313.2333.23314.715
26-50%3.6320.7711.7441.4501.4500.7719.519
51-75%1.8451.8450.7710.31001.450..6.024
76-100%3.2331.4500.771......5.426
total14.3166.1249.31910.3189.81811.71761.67
total< 1%0.4100..2.8350.7711.4501.8457.022
1-9%6.1245.0263.53112.7166.32312.81646.48
10-25%5.0275.8255.9246.2236.0247.82136.610
26-50%5.0270.7713.1335.8241.4502.83518.913
51-75%3.2332.2411.0580.7711.845..8.920
76-100%4.6282.2410.7710.3100....7.821
total24.31215.91516.91326.41016.91425.211125.55

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168533/154916

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno 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......0.3100....0.3100
total......0.31000.4100..0.771
2-5 yearsno treatment..............
tending..1.158........1.158
thinning....0.3100......0.3100
establishment cut....1.058......1.058
removal cut..........0.41000.4100
plentering........0.4100..0.4100
thinning of mountain forest..0.4100..0.7710.41000.41001.845
coppice cut..........0.41000.4100
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........0.41000.4100
total..1.4501.4500.7710.7711.4505.625
6-10 yearsno treatment..............
tending..0.4100..0.771....1.058
thinning0.771..0.3100......1.158
establishment cut........0.7710.41001.158
removal cut..............
plentering..............
thinning of mountain forest....0.31000.771....1.058
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments0.4100..........0.4100
total1.1580.41000.7711.4500.7710.41004.628
11-20 yearsno treatment..............
tending0.4100..0.3100......0.771
thinning..0.41000.3100....0.41001.158
establishment cut....1.4500.3100....1.745
removal cut..........0.41000.4100
plentering..............
thinning of mountain forest..1.158..0.3100....1.450
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........0.41000.4100
total0.41001.4502.1410.771..1.1585.625
> 20 yearsno treatment2.2412.9353.4315.2250.41007.52121.513
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..............
total2.2412.9353.4315.2250.41007.52121.513
totalno treatment2.2412.9353.4315.2250.41007.52121.513
tending0.41001.4500.31000.771....2.835
thinning0.7710.41001.058....0.41002.538
establishment cut....2.4380.31000.7710.41003.830
removal cut..........0.7710.771
plentering........0.4100..0.4100
thinning of mountain forest..1.4500.31001.7440.7710.41004.628
coppice cut..........0.41000.4100
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments0.4100....0.3100..0.7711.450
total3.6326.1247.6218.2202.14110.31837.99

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168534/154917

NFI4b

forest area: stand stability · regeneration cover · 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 stabilityregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%..................7.16.9..1.31.3..1.41.40.80.5
1-9%................4.24.1....6.52.82.12.11.41.42.20.8
10-25%2.42.4..........10.09.54.54.54.24.1....1.31.3..4.22.42.30.8
26-50%......................2.61.8....0.50.4
51-75%......................1.31.3....0.30.3
76-100%......................1.31.3....0.30.3
total2.42.4..........10.09.54.54.58.35.77.16.9..14.34.02.12.17.03.06.41.3
less stable< 1%..............4.54.5..14.39.47.77.4..6.33.51.41.42.20.8
1-9%9.54.510.09.5..11.110.5..30.014.510.09.54.54.520.88.37.16.97.77.423.44.814.65.122.55.016.52.0
10-25%11.95.030.014.5..11.110.5..30.014.530.014.522.79.025.08.97.16.915.410.09.13.316.75.414.14.115.21.9
26-50%7.14.0....11.110.5......4.54.5..14.39.47.77.414.34.0..8.43.36.91.3
51-75%2.42.4......60.021.9..10.09.5....7.16.9....2.12.1..2.00.7
76-100%4.83.310.09.5....20.017.9......8.35.7..........1.70.7
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
stable< 1%..10.09.5..........9.16.1....7.77.41.31.32.12.14.22.42.60.8
1-9%14.35.410.09.550.035.533.315.7......13.67.316.67.614.39.415.510.118.24.420.85.926.85.318.12.0
10-25%7.14.010.09.5..........9.16.18.35.714.39.430.712.813.03.818.85.612.73.911.71.7
26-50%16.75.8....22.213.920.017.9..10.09.513.67.34.24.17.16.97.77.45.22.58.34.02.82.07.51.4
51-75%9.54.5....11.110.5..10.09.520.012.74.54.58.45.77.16.9..1.31.38.34.0..4.81.1
76-100%14.35.420.012.750.035.5....30.014.510.09.59.16.1............4.41.1
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
total< 1%..10.09.5..........13.67.3..21.411.015.410.02.61.88.34.07.03.05.61.2
1-9%23.86.620.012.750.035.544.416.6..30.014.510.09.518.28.241.610.121.411.023.211.748.15.737.57.050.75.936.82.5
10-25%21.46.340.015.5..11.110.5..30.014.540.015.536.410.337.59.921.411.046.113.923.44.835.46.931.05.529.22.4
26-50%23.86.6....33.315.720.017.9..10.09.518.28.24.24.121.411.015.410.022.14.78.34.011.33.814.91.9
51-75%11.95.0....11.110.560.021.910.09.530.014.54.54.58.45.714.39.4..2.61.810.44.4..7.01.3
76-100%19.06.130.014.550.035.5..20.017.930.014.510.09.59.16.18.35.7....1.31.3....6.41.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #168535/154918

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearno treatment..............................
tending..............................
thinning..............................
establishment cut..............................
removal cut..............................
plentering..............................
thinning of mountain forest........................16.715.2..0.90.9
coppice cut..............................
conversion..............................
transformation..............................
sanitary felling..............................
plentering in broadleaf forest..............................
tending of forest edge..............................
planting..............................
agrosilvicultural treatments......................4.24.1....0.90.9
total......................4.24.116.715.2..1.81.3
2-5 yearsno treatment..............................
tending............25.021.7..16.710.8..........2.81.6
thinning....................11.110.5......0.90.9
establishment cut..............33.327.3..20.012.7........2.71.6
removal cut..........................3.43.40.90.9
plentering........................16.715.2..0.90.9
thinning of mountain forest................8.38.0....8.35.616.715.23.43.44.62.0
coppice cut..........................3.43.40.90.9
conversion..............................
transformation..............................
sanitary felling..............................
plentering in broadleaf forest..............................
tending of forest edge..............................
planting..............................
agrosilvicultural treatments..........................3.43.40.90.9
total............25.021.733.327.325.012.520.012.711.110.58.35.633.319.313.86.414.83.4
6-10 yearsno treatment..............................
tending................8.38.0....8.35.6....2.71.6
thinning12.411.7100.0...........33.327.3............2.91.7
establishment cut........................33.319.33.43.42.81.6
removal cut..............................
plentering..............................
thinning of mountain forest....................11.110.58.35.6....2.71.6
coppice cut..............................
conversion..............................
transformation..............................
sanitary felling..............................
plentering in broadleaf forest..............................
tending of forest edge..............................
planting..............................
agrosilvicultural treatments12.411.7..........................0.90.9
total24.915.3100.0...........33.327.38.38.0..11.110.516.67.633.319.33.43.412.13.2
11-20 yearsno treatment..............................
tending12.411.7..................11.110.5......1.91.3
thinning................8.38.0..11.110.5....3.43.42.81.6
establishment cut..............33.327.3..30.014.6..4.24.1....4.62.0
removal cut..........................3.43.40.90.9
plentering..............................
thinning of mountain forest................25.012.5....4.24.1....3.71.8
coppice cut..............................
conversion..............................
transformation..............................
sanitary felling..............................
plentering in broadleaf forest..............................
tending of forest edge..............................
planting..............................
agrosilvicultural treatments..........................3.43.40.90.9
total12.411.7............33.327.333.313.630.014.622.213.98.35.6..10.35.714.83.4
> 20 yearsno treatment62.717.1....100.0...100.0.75.021.7..33.313.650.015.955.616.662.69.916.715.272.58.356.44.8
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..............................
total62.717.1....100.0...100.0.75.021.7..33.313.650.015.955.616.662.69.916.715.272.58.356.44.8
totalno treatment62.717.1....100.0...100.0.75.021.7..33.313.650.015.955.616.662.69.916.715.272.58.356.44.8
tending12.411.7..........25.021.7..25.012.5..11.110.58.35.6....7.42.5
thinning12.411.7100.0...........33.327.38.38.0..22.213.9....3.43.46.72.4
establishment cut..............66.727.3..50.015.9..4.24.133.319.33.43.410.12.9
removal cut..........................6.94.71.91.3
plentering........................16.715.2..0.90.9
thinning of mountain forest................33.313.6..11.110.520.88.333.319.33.43.412.03.1
coppice cut..........................3.43.40.90.9
conversion..............................
transformation..............................
sanitary felling..............................
plentering in broadleaf forest..............................
tending of forest edge..............................
planting..............................
agrosilvicultural treatments12.411.7....................4.24.1..6.94.73.71.8
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.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #168536/154919

NFI4b

forest area: stand stability · regeneration cover · 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 regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%........
1-9%..1.4502.1413.631
10-25%0.41001.8451.1583.233
26-50%..1.1582.5383.631
51-75%..0.41001.4501.845
76-100%..0.7712.1412.935
total0.41005.3259.31915.015
Eastern Jura< 1%....0.41000.4100
1-9%..0.41000.41000.870
10-25%..1.2570.41001.649
26-50%........
51-75%........
76-100%..0.41000.8701.257
total..2.0442.0444.030
Western Plateau< 1%........
1-9%....0.41000.4100
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.8700.870
Central Plateau< 1%........
1-9%..0.31000.9571.250
10-25%..0.3100..0.3100
26-50%..0.31000.6710.957
51-75%....0.31000.3100
76-100%........
total..0.9571.9402.833
Eastern Plateau< 1%........
1-9%........
10-25%........
26-50%....0.41000.4100
51-75%..1.158..1.158
76-100%..0.4100..0.4100
total..1.4500.41001.844
Western Pre-Alps< 1%........
1-9%..1.157..1.157
10-25%..1.157..1.157
26-50%........
51-75%....0.41000.4100
76-100%....1.1571.157
total..2.2401.5493.730
Central Pre-Alps< 1%........
1-9%..0.4100..0.4100
10-25%0.41001.158..1.450
26-50%....0.41000.4100
51-75%..0.41000.7711.158
76-100%....0.41000.4100
total0.41001.8441.4503.631
Eastern Pre-Alps< 1%..0.41000.7711.157
1-9%..0.41001.1571.450
10-25%0.41001.8440.7712.935
26-50%..0.41001.1571.450
51-75%....0.41000.4100
76-100%....0.7710.771
total0.41002.9354.6277.920
Northwestern Alps< 1%........
1-9%0.41001.8441.4503.631
10-25%0.41002.1400.7713.233
26-50%....0.41000.4100
51-75%....0.7710.771
76-100%..0.771..0.771
total0.7714.6273.2338.619
Central Alps< 1%0.31000.770..1.057
1-9%..0.31000.7701.057
10-25%..0.31000.7701.057
26-50%..0.7700.31001.057
51-75%..0.31000.31000.770
76-100%........
total0.31002.4372.1404.825
Northeastern Alps< 1%..0.41000.41000.770
1-9%..0.41000.7711.158
10-25%..0.7701.4492.140
26-50%..0.41000.41000.770
51-75%........
76-100%........
total..1.8442.9354.726
Southwestern Alps< 1%0.3100..0.31000.771
1-9%1.7446.2234.82612.716
10-25%0.31002.4373.4316.223
26-50%0.7713.8301.4505.824
51-75%0.3100..0.31000.771
76-100%0.3100....0.3100
total3.83012.31610.31826.410
Southeastern Alps< 1%..1.1580.41001.450
1-9%0.41002.5383.5316.323
10-25%..2.8353.2336.024
26-50%....1.4501.450
51-75%..0.41001.4501.845
76-100%........
total0.41006.7229.81816.914
Southern Alps< 1%0.41000.41001.1581.845
1-9%0.41005.7256.72312.816
10-25%1.1583.5313.2337.821
26-50%..2.1410.7712.835
51-75%........
76-100%........
total1.84511.71711.71725.211
Switzerland< 1%1.0582.8353.2337.122
1-9%2.83520.71322.81246.48
10-25%2.83519.21414.81536.810
26-50%0.7718.7209.41918.813
51-75%0.31002.5386.0248.820
76-100%0.31002.2415.5268.121
total8.02156.1861.87126.05

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168537/154920

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jurano treatment........1.8451.845
tending......0.4100..0.4100
thinning....0.4100....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....0.4100....0.4100
total....0.7710.41001.8452.935
Eastern Jurano treatment............
tending............
thinning....0.4100....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............
total....0.4100....0.4100
Western Plateauno 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............
Central Plateauno treatment........0.31000.3100
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total........0.31000.3100
Eastern Plateauno 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............
Western Pre-Alpsno treatment........0.41000.4100
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total........0.41000.4100
Central Pre-Alpsno treatment........1.1581.158
tending..0.4100......0.4100
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.4100....1.1581.450
Eastern Pre-Alpsno treatment............
tending............
thinning....0.4100....0.4100
establishment cut..0.4100..0.4100..0.771
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.41000.41000.4100..1.157
Northwestern Alpsno treatment........1.4501.450
tending..0.7710.4100....1.157
thinning......0.4100..0.4100
establishment cut............
removal cut............
plentering............
thinning of mountain forest..0.4100..1.157..1.450
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..1.1570.41001.4501.4504.328
Central Alpsno treatment........1.7441.744
tending............
thinning............
establishment cut..0.770..1.057..1.744
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..1.0571.7443.430
Northeastern Alpsno treatment........1.8441.844
tending......0.4100..0.4100
thinning..0.4100..0.4100..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..0.41000.41000.7701.8443.232
Southwestern Alpsno treatment........5.2255.225
tending....0.771....0.771
thinning............
establishment cut......0.3100..0.3100
removal cut............
plentering............
thinning of mountain forest..0.7710.7710.3100..1.744
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments0.3100........0.3100
total0.31000.7711.4500.7715.2258.220
Southeastern Alpsno treatment........0.41000.4100
tending............
thinning............
establishment cut....0.771....0.771
removal cut............
plentering..0.4100......0.4100
thinning of mountain forest0.41000.4100......0.771
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.7710.771..0.41002.141
Southern Alpsno treatment........7.5217.521
tending............
thinning......0.4100..0.4100
establishment cut....0.4100....0.4100
removal cut..0.4100..0.4100..0.771
plentering............
thinning of mountain forest..0.4100......0.4100
coppice cut..0.4100......0.4100
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments..0.4100..0.4100..0.771
total..1.4500.41001.1587.52110.318
Switzerlandno treatment........21.51321.513
tending..1.1581.0580.771..2.835
thinning..0.41001.1581.158..2.538
establishment cut..1.0581.1581.744..3.830
removal cut..0.4100..0.4100..0.771
plentering..0.4100......0.4100
thinning of mountain forest0.41001.7451.0581.450..4.628
coppice cut..0.4100......0.4100
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments0.31000.41000.41000.4100..1.450
total0.7715.6254.6285.62521.51338.09

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168538/154921

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
critical< 1%....2.01.4....1.41.40.80.5
1-4%....1.01.05.82.8..1.41.41.60.7
5-9%....1.01.0....1.41.40.60.4
10-25%1.81.8..3.11.71.41.4..4.12.32.20.8
26-50%......2.92.0....0.50.4
51-75%......1.41.4....0.30.3
76-100%......1.41.4....0.30.3
total1.81.8..7.12.613.04.1..8.23.26.41.3
less stable< 1%..5.35.13.11.7..4.83.32.71.92.20.8
1-4%....4.12.010.13.611.95.012.33.87.01.3
5-9%8.93.810.57.08.22.814.54.24.83.39.63.49.51.5
10-25%16.14.910.57.020.44.18.73.416.75.813.74.015.21.9
26-50%5.43.05.35.14.12.015.94.4..8.23.26.91.3
51-75%1.81.815.88.42.01.4..2.42.4..2.00.7
76-100%5.43.05.35.12.01.4......1.70.7
total37.56.552.611.543.95.049.36.040.57.646.55.844.52.6
stable< 1%1.81.8..3.11.71.41.42.42.44.12.32.50.8
1-4%5.43.05.35.18.22.810.13.616.75.89.63.59.21.5
5-9%8.93.810.57.07.22.65.82.84.83.316.44.39.01.5
10-25%5.43.05.35.111.23.214.54.219.06.112.33.811.71.7
26-50%16.14.921.19.46.12.44.32.57.14.02.71.97.61.4
51-75%8.93.8..7.22.61.41.49.54.5..4.81.1
76-100%14.34.75.35.16.12.4......4.31.1
total60.76.547.411.549.05.137.75.859.57.645.25.849.12.6
total< 1%1.81.85.35.18.22.81.41.47.14.08.23.25.61.2
1-4%5.43.05.35.113.33.426.15.328.67.023.35.017.92.0
5-9%17.95.121.19.416.33.720.34.89.54.527.45.219.02.1
10-25%23.25.615.88.434.74.824.65.235.77.430.15.429.12.4
26-50%21.45.526.310.110.23.123.25.17.14.011.03.715.11.9
51-75%10.74.115.88.49.22.92.92.011.95.0..7.01.4
76-100%19.65.310.57.08.22.81.41.4....6.21.3
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 #168539/154922

NFI3

forest area: altitudinal vegetation zone · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpinen/a............
single-layered......0.3100..0.3100
multi-layered............
stratified......0.3100..0.3100
clustered structure............
total......0.771..0.771
lower subalpinen/a......0.4100..0.4100
single-layered......1.7450.41002.141
multi-layered......1.745..1.745
stratified0.4100....1.4500.41002.141
clustered structure....0.4100....0.4100
total0.4100..0.41005.2260.7716.623
upper montanen/a......0.771..0.771
single-layered......2.1412.1414.229
multi-layered....0.41002.4380.41003.133
stratified....0.41001.0580.7712.141
clustered structure............
total....0.7716.2233.23310.118
lower montanen/a............
single-layered0.4100..0.41002.8350.7714.229
multi-layered0.4100..0.41002.8350.41003.830
stratified......0.31000.41000.771
clustered structure............
total0.771..0.7715.9241.4508.720
colline/submontanen/a............
single-layered....0.41001.4503.2334.927
multi-layered2.241..0.41001.7451.8456.124
stratified..0.41000.4100....0.771
clustered structure............
total2.2410.41001.1583.1335.02611.717
totaln/a......1.158..1.158
single-layered0.4100..0.7718.3206.42315.815
multi-layered2.638..1.1588.6202.53814.815
stratified0.41000.41000.7713.1331.4506.024
clustered structure....0.4100....0.4100
total3.3330.41002.93521.11210.31837.99

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168540/154923

NFI3

forest area: altitudinal vegetation zone · stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure %± %± %± %± %± %± %±
upper subalpinen/a..............
single-layered......50.035.4....50.035.4
multi-layered..............
stratified......50.035.4....50.035.4
clustered structure..............
total......100.0.....100.0.
lower subalpinen/a......10.69.9....5.55.3
single-layered..33.327.2..39.815.5..50.035.431.410.6
multi-layered....66.727.229.814.5....25.910.0
stratified100.0.33.327.233.327.219.912.6..50.035.431.810.7
clustered structure..33.327.2........5.45.3
total100.0.100.0.100.0.100.0...100.0.100.0.
upper montanen/a..20.017.914.313.2......6.94.7
single-layered..20.017.942.918.7..50.025.066.815.741.69.2
multi-layered..20.017.928.617.1100.0.25.021.711.110.430.78.5
stratified..40.021.914.313.2..25.021.722.113.820.97.6
clustered structure..............
total..100.0.100.0.100.0.100.0.100.0.100.0.
lower montanen/a..............
single-layered50.035.440.021.955.616.633.327.350.035.450.025.048.010.0
multi-layered50.035.460.021.933.315.766.727.250.035.425.021.744.19.9
stratified....11.110.5....25.021.78.05.4
clustered structure..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontanen/a..............
single-layered..25.021.733.327.260.021.9..64.312.842.28.6
multi-layered85.713.250.025.066.727.240.021.9..35.712.851.68.7
stratified14.313.225.021.7........6.24.2
clustered structure..............
total100.0.100.0.100.0.100.0...100.0.100.0.
totaln/a..5.95.74.54.44.44.3....2.81.6
single-layered10.09.529.411.140.910.537.49.950.020.462.19.041.64.7
multi-layered69.914.535.311.640.910.545.710.233.319.324.17.938.84.7
stratified20.112.723.510.313.67.312.56.716.715.213.86.415.83.5
clustered structure..5.95.7........1.00.9
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 #168541/154924

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%....0.771....0.41001.158
1-4%....0.41001.450..0.41002.141
5-9%....0.4100....0.41000.771
10-25%0.4100..1.1580.3100..1.1582.835
26-50%......0.771....0.771
51-75%......0.3100....0.3100
76-100%......0.3100....0.3100
total0.4100..2.5383.133..2.1418.121
less stable< 1%..0.41001.158..0.7710.7712.835
1-4%....1.4502.4371.8443.2338.820
5-9%1.8450.7712.8353.4310.7712.53812.017
10-25%3.2330.7717.1222.1412.5373.63119.113
26-50%1.1580.41001.4503.830..2.1418.820
51-75%0.41001.1580.771..0.4100..2.538
76-100%1.1580.41000.771......2.141
total7.6213.53115.21511.6166.02412.11756.18
stable< 1%0.4100..1.1580.31000.41001.1583.233
1-4%1.1580.41002.8352.4372.5372.53811.617
5-9%1.8450.7712.5381.4500.7714.32911.318
10-25%1.1580.41003.9303.4312.8353.23314.815
26-50%3.2331.4502.1411.0581.1580.7719.619
51-75%1.845..2.5380.31001.450..6.024
76-100%2.9350.41002.141......5.426
total12.2173.23317.0148.9198.81911.81762.07
total< 1%0.41000.41002.8350.31001.1582.1417.122
1-4%1.1580.41004.6286.2234.2286.12422.512
5-9%3.6311.4505.7254.8261.4507.12224.012
10-25%4.7271.15812.1175.8245.3257.82136.710
26-50%4.3291.8453.5315.5241.1582.83519.013
51-75%2.2411.1583.2330.7711.844..8.920
76-100%4.0300.7712.8350.3100....7.821
total20.2136.72334.81023.61114.81526.011126.15

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168542/154925

NFI3

forest area: altitudinal vegetation zone · stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpinen/a..............
single-layered......0.3100....0.3100
multi-layered..............
stratified......0.3100....0.3100
clustered structure..............
total......0.771....0.771
lower subalpinen/a......0.4100....0.4100
single-layered..0.4100..1.450..0.41002.141
multi-layered....0.7711.058....1.745
stratified0.41000.41000.31000.771..0.41002.141
clustered structure..0.4100........0.4100
total0.41001.1581.0583.431..0.7716.623
upper montanen/a..0.41000.3100......0.771
single-layered..0.41001.058..0.7712.1414.229
multi-layered..0.41000.7711.4500.41000.41003.133
stratified..0.7710.3100..0.41000.7712.141
clustered structure..............
total..1.8452.4381.4501.4503.23310.218
lower montanen/a..............
single-layered0.41000.7711.7440.31000.41000.7714.229
multi-layered0.41001.1581.0580.7710.41000.41003.930
stratified....0.3100....0.41000.771
clustered structure..............
total0.7711.8453.1331.0580.7711.4508.820
colline/submontanen/a..............
single-layered..0.41000.31001.058..3.2334.927
multi-layered2.1410.7710.7710.771..1.8456.024
stratified0.41000.4100........0.771
clustered structure..............
total2.5381.4501.0581.744..5.02611.717
totaln/a..0.41000.31000.4100....1.158
single-layered0.41001.8453.1333.1331.1586.42315.815
multi-layered2.5382.2413.1333.8300.7712.53814.715
stratified0.7711.4501.0581.0580.41001.4506.024
clustered structure..0.4100........0.4100
total3.6326.1247.6218.2202.14110.31837.99

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168543/154926

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%......................................1.71.78.38.0..1.31.3....0.80.5
1-4%......1.91.9........1.71.7..........................5.22.5....1.60.7
5-9%......................................1.71.7....1.31.3....0.60.4
10-25%......3.82.7..................25.021.8......20.018.0..5.12.9....1.31.3....2.30.8
26-50%............................................2.61.8....0.50.4
51-75%............................................1.31.3....0.30.3
76-100%............................................1.31.3....0.30.3
total......5.83.2........1.71.7........25.021.8......20.018.0..8.53.68.38.0..14.34.0....6.41.3
less stable< 1%..............12.511.85.02.8..........5.95.7........1.71.716.710.8........2.20.8
1-4%......1.91.9..25.021.7..12.511.811.74.1....................11.94.28.38.0..9.13.3....7.01.3
5-9%33.327.3....9.64.116.715.325.021.7....3.32.3........25.021.85.95.7..33.327.4....11.94.2..17.69.314.34.0....9.61.6
10-25%....16.715.517.35.250.020.625.021.7..25.015.415.04.620.018.0..10.09.5....11.87.8..33.327.440.022.0..15.34.7..29.411.19.13.3..100.0.15.41.9
26-50%......5.83.2......12.511.81.71.720.018.0........5.95.7........8.53.616.710.8..14.34.0....6.91.3
51-75%................1.71.7....10.09.5..25.021.811.87.8......50.035.6..8.38.0........1.90.7
76-100%33.327.3....3.82.7..............10.09.5........33.327.4........5.95.7......1.70.7
total66.727.3..16.715.538.46.766.719.475.021.7..62.517.238.36.340.022.0..30.014.6..50.025.241.212.0..100.0.40.022.050.035.649.26.550.014.552.912.146.85.7..100.0.44.82.6
stable< 1%..100.0.....16.715.3......3.32.3..........11.87.8........3.42.4....1.31.3....2.60.8
1-4%....33.319.67.73.7......12.511.816.74.8..........5.95.750.035.8......8.53.6....11.73.7....9.11.5
5-9%......13.44.7........6.73.2..100.0.......5.85.6........16.94.916.710.811.87.86.52.8....8.91.5
10-25%33.327.3..33.319.69.64.1......25.015.420.05.2..........11.87.8........10.23.916.710.8..13.03.8....11.71.7
26-50%....16.715.513.44.7........6.73.220.018.0..20.012.7....11.87.8....20.018.050.035.63.42.4..5.95.75.22.5100.0...7.51.4
51-75%......9.74.1........6.73.2....30.014.6..25.021.85.95.7..........8.38.05.95.71.31.3....4.71.1
76-100%......1.91.916.715.325.021.7......40.022.0..20.012.7100.0...5.95.750.035.8..20.018.0......23.510.3......4.41.1
total33.327.3100.0.83.315.455.86.933.319.425.021.7..37.517.360.06.360.022.0100.0.70.014.5100.0.25.021.858.812.0100.0...40.022.050.035.642.46.441.714.347.112.139.05.6100.0...48.82.6
total< 1%..100.0.....16.715.3....12.511.88.33.6..........17.79.3........6.83.325.012.6..2.61.8....5.61.2
1-4%....33.319.611.54.4..25.021.7..25.015.430.05.9..........5.95.750.035.8......20.35.28.38.0..26.05.0....17.82.0
5-9%33.327.3....23.05.816.715.325.021.7....10.03.9..100.0.....25.021.811.77.8..33.327.4....30.56.016.710.829.411.122.14.7....19.12.1
10-25%33.327.3..50.020.830.76.450.020.625.021.7..50.017.835.06.220.018.0..10.09.5..25.021.823.610.3..33.327.460.022.0..30.56.016.710.829.411.123.44.8..100.0.29.32.4
26-50%....16.715.519.25.5......12.511.88.33.640.022.0..20.012.7....17.79.3....20.018.050.035.611.94.216.710.85.95.722.14.7100.0...15.01.9
51-75%......9.74.1........8.33.6....40.015.6..50.025.217.79.3......50.035.6..16.710.85.95.72.61.8....6.91.3
76-100%33.327.3....5.83.216.715.325.021.7......40.022.0..30.014.6100.0...5.95.750.035.833.327.420.018.0......29.411.11.31.3....6.41.3
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #168544/154927

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stability
criticalless stablestabletotal
cantondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG< 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%..0.4100..0.4100
total..0.8700.41001.257
AI< 1%....0.31000.3100
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total....0.31000.3100
AR< 1%........
1-4%....0.6690.669
5-9%........
10-25%..0.31000.6691.055
26-50%....0.31000.3100
51-75%........
76-100%........
total..0.31001.6411.937
BE< 1%........
1-4%0.31000.31001.4502.141
5-9%..1.7452.4384.129
10-25%0.7713.1331.7455.525
26-50%..1.0582.4383.431
51-75%....1.7451.745
76-100%..0.7710.31001.058
total1.0586.8229.91817.813
BL/BS< 1%....0.41000.4100
1-4%........
5-9%..0.4100..0.4100
10-25%..1.257..1.257
26-50%........
51-75%........
76-100%....0.41000.4100
total..1.6490.8702.439
FR< 1%........
1-4%..0.4100..0.4100
5-9%..0.4100..0.4100
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%....0.41000.4100
total..1.1570.41001.549
GE< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GL< 1%..0.4100..0.4100
1-4%..0.41000.41000.870
5-9%........
10-25%..0.8700.8701.549
26-50%..0.4100..0.4100
51-75%........
76-100%........
total..1.9431.2573.133
GR< 1%..1.0580.7711.745
1-4%0.31002.4383.5316.323
5-9%..0.7711.4502.141
10-25%..3.1334.2297.321
26-50%..0.31001.4501.745
51-75%..0.31001.4501.745
76-100%........
total0.31008.02012.61621.012
JU< 1%........
1-4%........
5-9%........
10-25%..0.4100..0.4100
26-50%..0.41000.41000.870
51-75%........
76-100%....0.8700.870
total..0.8701.2571.944
LU< 1%........
1-4%........
5-9%....0.31000.3100
10-25%........
26-50%........
51-75%........
76-100%........
total....0.31000.3100
NE< 1%........
1-4%........
5-9%........
10-25%..0.3100..0.3100
26-50%....0.6700.670
51-75%..0.31001.0571.349
76-100%..0.31000.6701.057
total..1.0572.2373.230
NW< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.41000.4100
OW< 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%0.4100....0.4100
26-50%........
51-75%..0.41000.41000.770
76-100%........
total0.41000.7700.41001.549
SG< 1%..0.41000.7701.157
1-4%....0.41000.4100
5-9%..0.41000.41000.771
10-25%..0.7700.7701.450
26-50%..0.41000.7701.157
51-75%..0.7700.41001.157
76-100%....0.41000.4100
total..2.5373.6316.123
SH< 1%........
1-4%....0.41000.4100
5-9%........
10-25%........
26-50%........
51-75%........
76-100%....0.41000.4100
total....0.7700.770
SO< 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%..0.4100..0.4100
total..1.157..1.157
SZ< 1%........
1-4%........
5-9%........
10-25%0.41000.770..1.157
26-50%....0.41000.4100
51-75%........
76-100%....0.41000.4100
total0.41000.7700.7701.844
TG< 1%........
1-4%........
5-9%........
10-25%........
26-50%....0.31000.3100
51-75%..0.3100..0.3100
76-100%........
total..0.31000.31000.670
TI< 1%0.41000.41000.7711.450
1-4%..2.5371.8444.328
5-9%0.41002.5373.6316.423
10-25%1.1583.2332.1416.423
26-50%..1.8440.7712.537
51-75%........
76-100%........
total1.84410.4189.01921.112
UR< 1%0.31000.770..1.057
1-4%..0.3100..0.3100
5-9%....0.7700.770
10-25%....0.7700.770
26-50%..0.770..0.770
51-75%..0.31000.31000.770
76-100%........
total0.31002.0391.7434.027
VD< 1%........
1-4%........
5-9%..1.1580.8711.944
10-25%..1.944..1.944
26-50%....0.41000.4100
51-75%....0.41000.4100
76-100%..0.41001.5501.944
total..3.4333.0356.524
VS< 1%0.3100..0.31000.771
1-4%1.4502.4373.1336.922
5-9%0.31003.8301.7445.824
10-25%0.31002.4373.4316.223
26-50%0.7713.8301.4505.824
51-75%0.3100..0.31000.771
76-100%0.3100....0.3100
total3.83012.31610.31826.410
ZG< 1%........
1-4%........
5-9%........
10-25%........
26-50%....0.41000.4100
51-75%........
76-100%........
total....0.41000.4100
ZH< 1%........
1-4%........
5-9%........
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%........
total..0.4100..0.4100
Switzerland< 1%1.0582.8353.2337.122
1-4%2.1418.82011.51722.312
5-9%0.77112.11711.21824.012
10-25%2.83519.31414.71536.810
26-50%0.7718.7209.41918.813
51-75%0.31002.4385.9248.620
76-100%0.31002.2415.5268.021
total8.02156.3861.47125.75

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168545/154928

NFI3

forest area: altitudinal vegetation zone · stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionstand structure %± %± %± %± %± %±
Western Juran/a............
single-layered......50.035.4..12.411.7
multi-layered......50.035.4100.0.74.615.5
stratified..100.0.......12.912.0
clustered structure............
total..100.0...100.0.100.0.100.0.
Eastern Juran/a............
single-layered............
multi-layered........100.0.100.0.
stratified............
clustered structure............
total........100.0.100.0.
Western Plateaun/a............
single-layered............
multi-layered............
stratified............
clustered structure............
total............
Central Plateaun/a............
single-layered............
multi-layered............
stratified........100.0.100.0.
clustered structure............
total........100.0.100.0.
Eastern Plateaun/a............
single-layered............
multi-layered............
stratified............
clustered structure............
total............
Western Pre-Alpsn/a............
single-layered............
multi-layered............
stratified....100.0.....100.0.
clustered structure............
total....100.0.....100.0.
Central Pre-Alpsn/a............
single-layered......100.0...25.021.7
multi-layered....100.0.....25.021.7
stratified........100.0.25.021.7
clustered structure..100.0.......25.021.7
total..100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alpsn/a............
single-layered........50.035.433.327.3
multi-layered......100.0.50.035.466.727.3
stratified............
clustered structure............
total......100.0.100.0.100.0.
Northwestern Alpsn/a....33.327.3....8.38.0
single-layered..50.035.433.327.325.021.733.327.333.313.6
multi-layered......75.021.766.727.341.714.3
stratified..50.035.433.327.3....16.710.8
clustered structure............
total..100.0.100.0.100.0.100.0.100.0.
Central Alpsn/a............
single-layered....50.025.150.035.5..30.014.6
multi-layered..66.727.350.025.150.035.5100.0.60.015.5
stratified..33.327.3......10.09.5
clustered structure............
total..100.0.100.0.100.0.100.0.100.0.
Northeastern Alpsn/a....33.327.3....11.110.5
single-layered....33.327.366.719.3..55.616.6
multi-layered......16.715.3..11.110.5
stratified....33.327.316.715.3..22.213.9
clustered structure............
total....100.0.100.0...100.0.
Southwestern Alpsn/a..10.69.9......4.44.3
single-layered50.035.439.815.5..33.327.360.021.937.49.9
multi-layered..29.814.5100.0.66.727.240.021.945.710.2
stratified50.035.419.912.6......12.56.7
clustered structure............
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alpsn/a............
single-layered....50.025.050.035.4..50.020.4
multi-layered....25.021.750.035.4..33.319.3
stratified....25.021.7....16.715.2
clustered structure............
total....100.0.100.0...100.0.
Southern Alpsn/a............
single-layered..50.035.466.815.750.025.064.312.862.19.0
multi-layered....11.110.425.021.735.712.824.17.9
stratified..50.035.422.113.825.021.7..13.86.4
clustered structure............
total..100.0.100.0.100.0.100.0.100.0.
Switzerlandn/a..5.55.37.04.8....2.81.6
single-layered50.035.431.410.641.59.248.110.042.38.641.74.7
multi-layered..25.910.030.58.543.99.951.98.738.84.7
stratified50.035.431.810.721.07.68.15.55.74.015.73.5
clustered structure..5.45.3......0.90.9
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 #168546/154929

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %±
critical< 1%......1.10.81.41.40.80.5
1-4%......3.41.4..1.60.7
5-9%......0.60.61.41.40.60.4
10-25%1.91.9..4.83.31.10.84.22.42.30.8
26-50%......1.10.8..0.50.4
51-75%......0.60.6..0.30.3
76-100%......0.60.6..0.30.3
total1.91.9..4.83.38.52.17.03.06.41.3
less stable< 1%....2.42.43.41.41.41.42.20.8
1-4%....2.42.48.52.112.73.96.91.3
5-9%9.64.16.36.19.54.59.72.29.93.59.51.6
10-25%15.45.06.36.126.26.813.62.614.14.115.21.9
26-50%5.83.26.36.12.42.47.92.08.43.37.01.3
51-75%1.91.918.89.82.42.41.10.8..2.00.7
76-100%5.83.26.36.1..1.10.8..1.70.7
total38.56.743.812.445.27.745.43.846.55.944.52.6
stable< 1%1.91.9..4.83.31.71.04.22.42.50.8
1-4%5.83.26.36.17.14.010.82.39.93.69.21.5
5-9%7.73.718.89.8..7.42.016.94.49.01.5
10-25%7.73.7..4.83.315.32.712.73.911.71.7
26-50%13.54.718.89.89.54.56.21.82.82.07.61.4
51-75%7.73.76.36.19.54.54.61.6..4.81.1
76-100%15.45.06.36.114.35.4....4.31.1
total59.66.856.312.450.07.746.13.846.55.949.12.6
total< 1%1.91.9..7.14.06.21.87.03.05.61.2
1-4%5.83.26.36.19.54.522.73.222.65.017.82.0
5-9%17.35.225.010.89.54.517.62.928.25.319.02.1
10-25%25.06.06.36.135.77.430.13.531.05.529.12.4
26-50%19.25.525.010.811.95.015.32.711.33.815.11.9
51-75%9.64.125.010.811.95.06.31.8..7.01.4
76-100%21.25.712.58.314.35.41.71.0..6.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168547/154930

NFI3

forest area: altitudinal vegetation zone · stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a............
single-layered......0.4100..0.4100
multi-layered......0.41001.8452.141
stratified..0.4100......0.4100
clustered structure............
total..0.4100..0.7711.8452.935
Eastern Juran/a............
single-layered............
multi-layered........0.41000.4100
stratified............
clustered structure............
total........0.41000.4100
Western Plateaun/a............
single-layered............
multi-layered............
stratified............
clustered structure............
total............
Central Plateaun/a............
single-layered............
multi-layered............
stratified........0.31000.3100
clustered structure............
total........0.31000.3100
Eastern Plateaun/a............
single-layered............
multi-layered............
stratified............
clustered structure............
total............
Western Pre-Alpsn/a............
single-layered............
multi-layered............
stratified....0.4100....0.4100
clustered structure............
total....0.4100....0.4100
Central Pre-Alpsn/a............
single-layered......0.4100..0.4100
multi-layered....0.4100....0.4100
stratified........0.41000.4100
clustered structure..0.4100......0.4100
total..0.41000.41000.41000.41001.450
Eastern Pre-Alpsn/a............
single-layered........0.41000.4100
multi-layered......0.41000.41000.771
stratified............
clustered structure............
total......0.41000.7711.157
Northwestern Alpsn/a....0.4100....0.4100
single-layered..0.41000.41000.41000.41001.450
multi-layered......1.1570.7711.844
stratified..0.41000.4100....0.771
clustered structure............
total..0.7711.1571.4501.1574.328
Central Alpsn/a............
single-layered....0.7700.3100..1.057
multi-layered..0.7700.7700.31000.31002.140
stratified..0.3100......0.3100
clustered structure............
total..1.0571.4490.7700.31003.430
Northeastern Alpsn/a....0.4100....0.4100
single-layered....0.41001.449..1.844
multi-layered......0.4100..0.4100
stratified....0.41000.4100..0.770
clustered structure............
total....1.1572.140..3.232
Southwestern Alpsn/a..0.4100......0.4100
single-layered0.31001.450..0.31001.0583.133
multi-layered..1.0581.4500.7710.7713.830
stratified0.31000.771......1.058
clustered structure............
total0.7713.4311.4501.0581.7448.220
Southeastern Alpsn/a............
single-layered....0.7710.4100..1.158
multi-layered....0.41000.4100..0.771
stratified....0.4100....0.4100
clustered structure............
total....1.4500.771..2.141
Southern Alpsn/a............
single-layered..0.41002.1410.7713.2336.423
multi-layered....0.41000.41001.8452.538
stratified..0.41000.7710.4100..1.450
clustered structure............
total..0.7713.2331.4505.02610.318
Switzerlandn/a..0.41000.771....1.158
single-layered0.31002.1414.2294.3294.92715.915
multi-layered..1.7453.1333.9306.12414.815
stratified0.31002.1412.1410.7710.7716.024
clustered structure..0.4100......0.4100
total0.7716.62310.2188.82011.61738.09

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168548/154931

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%......0.7710.41001.058
1-4%......2.141..2.141
5-9%......0.31000.41000.771
10-25%0.4100..0.7710.7711.1582.835
26-50%......0.771..0.771
51-75%......0.3100..0.3100
76-100%......0.3100..0.3100
total0.4100..0.7715.2261.8458.021
less stable< 1%....0.41002.1410.41002.835
1-4%....0.41005.2263.2338.720
5-9%1.8450.41001.4505.9242.53812.017
10-25%2.9350.41004.0308.3203.53119.113
26-50%1.1580.41000.41004.8272.1418.820
51-75%0.41001.1580.41000.771..2.538
76-100%1.1580.4100..0.771..2.141
total7.3222.5386.82327.61111.71755.98
stable< 1%0.4100..0.7711.0581.1583.233
1-4%1.1580.41001.1586.6232.53811.617
5-9%1.5501.158..4.5284.32911.318
10-25%1.550..0.7719.3193.23314.715
26-50%2.6381.1581.4503.8300.7719.619
51-75%1.5500.41001.4502.835..6.024
76-100%2.9350.41002.241....5.426
total11.3173.2337.62128.01111.71761.87
total< 1%0.4100..1.1583.8301.8457.022
1-4%1.1580.41001.45013.8165.72522.412
5-9%3.3331.4501.45010.7187.12223.912
10-25%4.7270.41005.42618.3137.82136.610
26-50%3.7311.4501.8459.3192.83519.013
51-75%1.8451.4501.8453.830..8.920
76-100%4.0300.7712.2411.058..7.921
total19.0135.62515.11560.8725.211125.85

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168549/154932
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