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NFI4b

forest area: stand stability · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalless than 1%......0.7710.41001.058
1-4%......1.745..1.745
5-9%0.4100....0.31000.41001.158
10-25%....0.7710.7711.1582.538
26-50%......0.771..0.771
51-75%......0.771..0.771
76-100%............
total0.4100..0.7714.8271.8457.721
less stableless than 1%....0.41003.1331.1584.528
1-4%0.4100..1.1586.9222.14110.518
5-9%2.6380.41000.7715.2262.83511.617
10-25%2.2410.7714.0306.2232.83515.915
26-50%1.5500.41000.41003.5311.8457.422
51-75%0.41000.7710.41000.3100..1.845
76-100%0.41000.4100..0.771..1.450
total7.3222.5386.82325.91110.61853.18
stableless than 1%0.7710.41000.7711.7451.4504.927
1-4%1.1580.41001.1586.9222.83512.317
5-9%1.8450.7710.41005.2263.23311.318
10-25%0.7710.7710.7717.9212.14112.217
26-50%2.9350.41001.8453.5310.41008.920
51-75%2.2410.41001.4500.771..4.728
76-100%1.5500.41001.158....2.935
total11.0183.2337.22225.9119.91857.28
totalless than 1%0.7710.41001.1585.5252.83510.518
1-4%1.5500.41002.24115.5155.02624.512
5-9%4.7271.1581.15810.7186.42324.012
10-25%2.9351.4505.42614.9156.02430.611
26-50%4.4290.7712.2417.6212.14117.014
51-75%2.6381.1581.8451.745..7.222
76-100%1.8450.7711.1580.771..4.329
total18.6135.62514.81556.7722.312118.15

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168430/154813

NFI3

forest area: stand stability · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
stand stability
criticalless stablestabletotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%....0.41000.4100
1-9%..0.41000.7711.158
10-25%..0.41000.7711.158
26-50%........
51-75%....0.41000.4100
76-100%........
total..0.7712.2412.935
Eastern Jura< 1%........
1-9%........
10-25%........
26-50%....0.41000.4100
51-75%........
76-100%........
total....0.41000.4100
Western Plateau< 1%........
1-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Central Plateau< 1%........
1-9%........
10-25%........
26-50%..0.3100..0.3100
51-75%........
76-100%........
total..0.3100..0.3100
Eastern Plateau< 1%........
1-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Western Pre-Alps< 1%........
1-9%........
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%........
total....0.41000.4100
Central Pre-Alps< 1%........
1-9%..0.4100..0.4100
10-25%..0.4100..0.4100
26-50%..0.4100..0.4100
51-75%........
76-100%0.4100....0.4100
total0.41001.158..1.450
Eastern Pre-Alps< 1%........
1-9%0.4100....0.4100
10-25%........
26-50%........
51-75%..0.41000.41000.771
76-100%........
total0.41000.41000.41001.157
Northwestern Alps< 1%....0.41000.4100
1-9%0.41001.450..1.844
10-25%..0.41000.7711.157
26-50%........
51-75%..0.4100..0.4100
76-100%..0.41000.41000.771
total0.41002.5371.4504.328
Central Alps< 1%..0.3100..0.3100
1-9%..1.057..1.057
10-25%..1.057..1.057
26-50%....0.7700.770
51-75%..0.3100..0.3100
76-100%........
total..2.7340.7703.430
Northeastern Alps< 1%..0.4100..0.4100
1-9%..0.7700.7701.449
10-25%0.4100..0.41000.770
26-50%........
51-75%0.4100....0.4100
76-100%..0.4100..0.4100
total0.7701.4491.1573.232
Southwestern Alps< 1%........
1-9%0.41001.0582.4373.830
10-25%..0.7711.0581.744
26-50%..1.0581.0582.141
51-75%..0.3100..0.3100
76-100%....0.31000.3100
total0.41003.1334.8268.220
Southeastern Alps< 1%..0.4100..0.4100
1-9%..0.4100..0.4100
10-25%..0.41000.41000.771
26-50%....0.7710.771
51-75%........
76-100%........
total..1.1581.1582.141
Southern Alps< 1%........
1-9%0.41001.4501.4503.233
10-25%..1.8453.2335.026
26-50%..0.771..0.771
51-75%..0.7710.41001.158
76-100%..0.4100..0.4100
total0.41005.0265.02610.318
Switzerland< 1%..1.1580.7711.845
1-9%1.4506.7235.32613.416
10-25%0.41004.9276.72312.017
26-50%..2.4382.8355.226
51-75%0.41002.1411.1583.532
76-100%0.41001.1580.7712.141
total2.53818.21417.31438.09

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168431/154814

NFI4b

forest area: degree of mixture · crown closure · 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
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....1.1580.31000.41000.7712.538
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total....1.1580.31000.41000.7712.538
pure conifer forestn/a..............
crowded1.1580.41003.5313.1330.41001.1589.519
normal1.1580.41005.3263.4312.1412.24114.416
loose....1.1581.7441.8442.1416.723
open0.771..0.41002.4372.8351.4507.721
scattered....0.41001.7440.7710.7713.532
grouped crowded....1.1580.7710.771..2.538
grouped normal....0.41000.31001.8441.4503.930
heterogeneous......3.4310.41000.41004.129
total2.9350.77112.11716.81310.6179.31952.38
mixed conifer forestn/a..............
crowded3.233..2.8351.0580.41000.41007.821
normal1.4501.4501.158..0.7710.7715.326
loose1.1580.41000.771..0.4100..2.538
open0.771..0.41001.0580.4100..2.538
scattered0.41000.41000.41000.7710.4100..2.141
grouped crowded..............
grouped normal0.4100..0.4100..0.4100..1.158
heterogeneous0.4100..........0.4100
total7.6212.1415.7252.7352.5371.15821.613
mixed broadleaf forestn/a..............
crowded1.8450.41002.1410.7710.4100..5.326
normal1.1580.41001.450......2.935
loose..0.41001.450......1.845
open1.158..........1.158
scattered..0.41000.41000.771..0.41001.745
grouped crowded....0.4100......0.4100
grouped normal....0.4100......0.4100
heterogeneous..0.4100........0.4100
total4.0301.8456.0241.4500.41000.410013.816
pure broadleaf forestn/a..............
crowded2.5380.41005.3261.058..8.52017.814
normal2.2410.7713.2330.3100..2.8359.220
loose0.41000.7710.41000.31000.41000.41002.538
open0.4100..0.7710.771..1.1582.835
scattered..0.4100......0.7711.158
grouped crowded....0.4100..0.7711.1582.141
grouped normal..............
heterogeneous0.4100..........0.4100
total5.8252.1419.9192.4371.15814.61535.910
totaln/a....1.1580.31000.41000.7712.538
crowded8.6201.15813.8165.8241.15810.01840.49
normal5.8252.83511.0183.8302.8355.72531.910
loose1.4501.4503.5312.1412.5372.53813.416
open2.935..1.4504.1283.2332.53814.116
scattered0.41001.1581.1583.1331.1581.8458.420
grouped crowded....1.8450.7711.4501.1584.927
grouped normal0.4100..1.1580.31002.1411.4505.326
heterogeneous0.7710.4100..3.4310.41000.41005.226
total20.2136.72334.81023.61114.81526.011126.15

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168432/154815

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · biogeographical 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
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
critical< 1%..............
1-4%..............
5-9%....5.33.64.44.3..3.43.43.71.8
10-25%....2.62.6......0.90.9
26-50%..............
51-75%....2.62.6......0.90.9
76-100%....2.62.6......0.90.9
total....13.25.54.44.3..3.43.46.52.4
less stable< 1%....5.33.6..16.715.2..2.81.6
1-4%11.110.5..13.25.5....6.94.77.52.5
5-9%....13.25.512.56.716.715.26.94.710.12.9
10-25%11.110.5..13.25.58.35.616.715.217.27.013.03.2
26-50%..50.035.42.62.612.56.7..6.94.76.42.3
51-75%....7.94.44.24.1..6.94.75.62.2
76-100%....5.33.6....3.43.42.81.6
total22.213.950.035.460.57.937.49.950.020.448.29.348.14.8
stable< 1%11.110.5..2.62.6......1.91.3
1-4%......4.24.1..10.55.73.71.8
5-9%22.413.9..5.33.624.98.8..3.43.410.12.9
10-25%22.213.9..10.55.012.56.716.715.231.08.617.63.7
26-50%11.110.5..5.33.612.56.733.319.3..7.42.5
51-75%11.110.550.035.4......3.43.42.81.6
76-100%....2.62.64.24.1....1.81.3
total77.813.950.035.426.37.158.210.150.020.448.49.345.34.8
total< 1%11.110.5..7.94.4..16.715.2..4.72.0
1-4%11.110.5..13.25.54.24.1..17.47.111.23.0
5-9%22.413.9..23.76.941.810.116.715.213.86.424.04.1
10-25%33.315.7..26.37.120.88.333.319.348.29.331.64.5
26-50%11.110.550.035.47.94.424.98.833.319.36.94.713.83.3
51-75%11.110.550.035.410.55.04.24.1..10.35.79.32.8
76-100%....10.55.04.24.1..3.43.45.62.2
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 #168433/154816

NFI4b

forest area: degree of mixture · crown closure · 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
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....0.4100..0.41000.870
loose........0.41000.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.4100..0.8701.257
AIn/a............
crowded............
normal............
loose..0.3100......0.3100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.3100......0.3100
ARn/a............
crowded..0.31000.31000.3100..1.055
normal..0.669......0.669
loose............
open............
scattered......0.3100..0.3100
grouped crowded............
grouped normal............
heterogeneous............
total..1.0550.31000.669..1.937
BEn/a0.771........0.771
crowded..0.31002.4380.7712.4385.824
normal..2.7351.0581.4501.4506.523
loose....0.7710.771..1.450
open..0.31000.31000.3100..1.058
scattered....0.3100..0.31000.771
grouped crowded..0.771......0.771
grouped normal..0.31000.3100....0.771
heterogeneous........0.31000.3100
total0.7714.4275.1253.1334.52717.813
BL/BSn/a............
crowded..0.4100....0.8701.257
normal........0.8700.870
loose............
open........0.41000.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....2.0432.439
FRn/a............
crowded..0.4100..0.41000.7701.549
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100..0.41000.7701.549
GEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GLn/a............
crowded....0.4100..0.8701.257
normal..0.41000.4100..0.41001.257
loose....0.4100....0.4100
open............
scattered............
grouped crowded............
grouped normal......0.4100..0.4100
heterogeneous............
total..0.41001.2570.41001.2573.133
GRn/a0.771........0.771
crowded..1.0580.7710.31000.31002.438
normal..3.5310.771..0.7714.926
loose..2.8350.31000.7710.31004.229
open..3.1330.3100....3.531
scattered..1.0580.3100....1.450
grouped crowded..0.771....0.7711.450
grouped normal..1.7450.3100....2.141
heterogeneous..0.3100......0.3100
total0.77114.3152.8351.0582.14121.012
JUn/a............
crowded..0.870......0.870
normal............
loose........0.41000.4100
open....0.41000.4100..0.870
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.8700.41000.41000.41001.944
LUn/a............
crowded............
normal........0.31000.3100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total........0.31000.3100
NEn/a............
crowded......0.6700.31001.057
normal....0.3100....0.3100
loose....0.670....0.670
open....0.31000.3100..0.670
scattered............
grouped crowded............
grouped normal....0.3100....0.3100
heterogeneous....0.3100....0.3100
total....1.9401.0570.31003.230
NWn/a............
crowded..0.4100......0.4100
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100......0.4100
OWn/a............
crowded..0.4100......0.4100
normal........0.41000.4100
loose............
open........0.41000.4100
scattered....0.4100....0.4100
grouped crowded............
grouped normal............
heterogeneous............
total..0.41000.4100..0.7701.549
SGn/a0.4100........0.4100
crowded..0.41000.7700.4100..1.450
normal....1.1570.7700.7702.537
loose..0.4100..0.4100..0.770
open........0.41000.4100
scattered..0.4100......0.4100
grouped crowded............
grouped normal............
heterogeneous......0.4100..0.4100
total0.41001.1571.8441.8441.1576.123
SHn/a............
crowded......0.4100..0.4100
normal............
loose............
open............
scattered....0.4100....0.4100
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.4100..0.770
SOn/a............
crowded........0.41000.4100
normal........0.41000.4100
loose............
open..0.4100......0.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....0.8701.157
SZn/a............
crowded....0.4100....0.4100
normal....0.4100..0.7701.157
loose....0.4100....0.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....1.157..0.7701.844
TGn/a............
crowded............
normal....0.31000.3100..0.670
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.31000.3100..0.670
TIn/a0.4100........0.4100
crowded..0.771....8.2209.019
normal..0.7710.771..2.5373.930
loose..1.158....0.41001.450
open..1.158....1.1582.141
scattered..0.4100..0.41000.7711.450
grouped crowded........1.1581.158
grouped normal..1.450......1.450
heterogeneous..0.4100......0.4100
total0.41005.7240.7710.410014.01521.112
URn/a............
crowded..0.770..0.31000.31001.349
normal..1.349......1.349
loose..0.3100....0.31000.770
open..0.3100......0.3100
scattered............
grouped crowded........0.31000.3100
grouped normal............
heterogeneous............
total..2.634..0.31001.0574.027
VDn/a............
crowded....1.9440.8711.5504.230
normal..1.158..0.41000.41001.944
loose............
open............
scattered............
grouped crowded......0.4100..0.4100
grouped normal............
heterogeneous............
total..1.1581.9441.5501.9446.524
VSn/a0.3100........0.3100
crowded..3.8301.0581.0582.1417.920
normal..3.830....0.31004.128
loose..1.744....0.31002.141
open..2.4371.058..0.7714.128
scattered..1.7440.7710.771..3.133
grouped crowded..1.058......1.058
grouped normal..0.3100......0.3100
heterogeneous..3.431......3.431
total0.310018.2132.7351.7443.43126.410
ZGn/a............
crowded............
normal............
loose........0.41000.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total........0.41000.4100
ZHn/a............
crowded............
normal............
loose............
open............
scattered......0.4100..0.4100
grouped crowded............
grouped normal............
heterogeneous............
total......0.4100..0.4100
Switzerlandn/a2.438........2.438
crowded..9.5197.8215.22617.91440.59
normal..14.2155.3262.8359.42031.710
loose..6.6232.4381.7452.63813.416
open..7.7212.4381.1582.93514.016
scattered..3.5322.1411.7451.1588.420
grouped crowded..2.438..0.41002.1414.927
grouped normal..3.9301.0580.4100..5.326
heterogeneous..4.1290.31000.41000.31005.226
total2.43851.9821.41313.61636.410125.75

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168434/154817

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · biogeographical 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
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%..............
1-4%..............
5-9%....0.7710.4100..0.41001.450
10-25%....0.4100......0.4100
26-50%..............
51-75%....0.4100......0.4100
76-100%....0.4100......0.4100
total....1.8450.4100..0.41002.538
less stable< 1%....0.771..0.4100..1.158
1-4%0.4100..1.845....0.7712.835
5-9%....1.8451.0580.41000.7713.930
10-25%0.4100..1.8450.7710.41001.8455.027
26-50%..0.41000.41001.058..0.7712.438
51-75%....1.1580.3100..0.7712.141
76-100%....0.771....0.41001.158
total0.7710.41008.2213.1331.1585.02618.414
stable< 1%0.4100..0.4100......0.771
1-4%......0.3100..1.1581.450
5-9%0.771..0.7712.141..0.41003.830
10-25%0.771..1.4501.0580.41003.2336.723
26-50%0.4100..0.7711.0580.771..2.835
51-75%0.41000.4100......0.41001.158
76-100%....0.41000.3100....0.771
total2.5380.41003.5314.8261.1585.02617.314
total< 1%0.4100..1.158..0.4100..1.845
1-4%0.4100..1.8450.3100..1.8454.329
5-9%0.771..3.2333.4310.41001.4509.120
10-25%1.158..3.5311.7440.7715.02612.017
26-50%0.41000.41001.1582.1410.7710.7715.226
51-75%0.41000.41001.4500.3100..1.1583.532
76-100%....1.4500.3100..0.41002.141
total3.2330.77113.5168.2202.14110.31838.19

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168435/154818

NFI4b

forest area: degree of mixture · crown closure · 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
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a......2.1410.41002.438
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......2.1410.41002.438
pure conifer forestn/a............
crowded1.158..2.2415.5250.7719.519
normal1.158..1.4509.7192.14114.415
loose....0.7713.8302.1416.623
open0.771....5.5251.4507.721
scattered......2.8350.7713.532
grouped crowded......2.438..2.438
grouped normal....0.41002.1411.4503.930
heterogeneous......3.8300.41004.229
total2.935..4.72735.698.92052.18
mixed conifer forestn/a............
crowded2.6380.7711.4502.8350.41007.821
normal1.8450.7710.7711.4500.7715.326
loose1.158..0.7710.771..2.538
open0.771....1.745..2.538
scattered0.771..0.41001.058..2.141
grouped crowded............
grouped normal0.4100....0.771..1.158
heterogeneous0.4100........0.4100
total7.7211.4503.2338.3201.15821.713
mixed broadleaf forestn/a............
crowded1.5500.41001.4502.141..5.326
normal1.1580.41000.41001.058..2.835
loose..0.41000.41001.058..1.745
open1.158........1.158
scattered....0.7710.7710.41001.845
grouped crowded....0.4100....0.4100
grouped normal......0.3100..0.3100
heterogeneous..0.4100......0.4100
total3.7311.4503.2335.2260.410013.816
pure broadleaf forestn/a............
crowded1.8451.1581.1585.2268.52017.714
normal2.2410.7711.8451.7452.8359.320
loose0.41000.41000.41001.0580.41002.538
open0.4100..0.7710.7711.1582.835
scattered..0.4100....0.7711.158
grouped crowded......1.0581.1582.141
grouped normal............
heterogeneous..0.4100......0.4100
total4.7272.8354.0309.71914.51535.710
totaln/a......2.1410.41002.438
crowded6.9232.1416.12415.6159.61940.39
normal6.2241.8454.32913.8165.72531.810
loose1.5500.7712.2416.6232.53813.416
open2.935..0.7717.9212.53814.116
scattered0.7710.41001.1584.5281.8458.420
grouped crowded....0.41003.5321.1584.927
grouped normal0.4100..0.41003.1331.4505.326
heterogeneous0.41000.771..3.8300.41005.226
total19.0135.62515.11560.8725.211125.85

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168436/154819

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%....................................................
1-4%....................................................
5-9%......6.26.0....................25.021.7........5.04.9....4.44.3....3.71.8
10-25%..............14.313.3..................................1.01.0
26-50%....................................................
51-75%..............14.313.3..................................1.01.0
76-100%..........................50.035.7......................1.01.0
total......6.26.0......28.617.2..........50.035.725.021.7........5.04.9....4.44.3....6.72.4
less stable< 1%..............14.313.36.66.4......................12.511.8........2.81.6
1-4%......18.79.7......14.313.3................50.035.5....10.06.712.511.8........7.42.5
5-9%..............14.313.313.38.8........50.035.7..........5.04.925.015.450.035.412.56.7....10.22.9
10-25%......12.48.2........13.38.8......100.0.............20.09.037.517.2..8.35.6....12.73.2
26-50%......12.48.2........6.66.4....................5.04.9....12.56.7....6.32.3
51-75%......6.26.0..........................66.727.3..10.06.7....4.24.1....5.62.2
76-100%......6.26.0......14.313.3......................5.04.9..........2.81.6
total......56.012.4......57.118.839.912.6......100.0.50.035.7....50.035.566.727.3..55.011.187.511.750.035.437.49.9....47.84.8
stable< 1%......12.48.2..........................................1.81.3
1-4%................6.96.7....................10.06.7....4.24.1....3.71.8
5-9%......6.76.4..........33.327.4........50.025.1........5.04.9....24.98.8....10.22.9
10-25%......12.48.2......14.313.333.212.233.327.4............50.035.5....25.09.7..50.035.412.56.7....17.73.7
26-50%........100.0.......13.38.8................33.327.4....12.511.8..12.56.7....7.42.5
51-75%................6.66.433.327.4........25.021.7....................2.91.6
76-100%......6.26.0....................................4.24.1....1.81.3
total......37.812.1100.0.....14.313.360.112.6100.0.........75.021.7..50.035.533.327.4..40.011.012.511.850.035.458.210.1....45.54.8
total< 1%......12.48.2......14.313.36.66.4......................12.511.8........4.62.0
1-4%......18.79.7......14.313.36.96.7..............50.035.5....20.09.012.511.8..4.24.1....11.13.0
5-9%......12.98.5......14.313.313.38.833.327.4......50.035.775.021.7........15.08.025.015.450.035.441.810.1....24.14.1
10-25%......24.910.8......28.617.246.512.933.327.4....100.0.......50.035.5....45.011.137.517.250.035.420.88.3....31.54.5
26-50%......12.48.2100.0.......19.910.3................33.327.4..5.04.912.511.8..24.98.8....13.73.3
51-75%......6.26.0......14.313.36.66.433.327.4........25.021.7....66.727.3..10.06.7....4.24.1....9.42.8
76-100%......12.48.2......14.313.3..........50.035.7..........5.04.9....4.24.1....5.62.2
total......100.0.100.0.....100.0.100.0.100.0.....100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #168437/154820

NFI4b

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: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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..0.7710.41000.31000.7710.41002.538
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total..0.7710.41000.31000.7710.41002.538
pure conifer forestn/a..............
crowded1.1581.4501.4503.8301.1580.7719.419
normal1.1582.9352.4383.8302.1412.14114.416
loose....1.0581.7441.8452.1416.623
open0.771..0.31002.4372.8351.4507.721
scattered....0.31001.7440.7710.7713.532
grouped crowded..0.771..1.0580.771..2.538
grouped normal..0.4100..0.31001.8451.4503.930
heterogeneous......3.4310.41000.41004.129
total2.9355.4265.52518.21311.2178.92052.18
mixed conifer forestn/a..............
crowded3.2331.1581.7441.0580.41000.41007.821
normal2.538..1.450..0.7710.7715.326
loose1.1580.41000.771..0.4100..2.538
open0.7710.4100..1.0580.4100..2.538
scattered0.7710.4100..0.7710.4100..2.141
grouped crowded..............
grouped normal0.41000.4100....0.4100..1.158
heterogeneous0.4100..........0.4100
total8.9202.5383.8302.7352.5381.15821.513
mixed broadleaf forestn/a..............
crowded1.8451.1581.0581.0580.4100..5.326
normal1.4500.7710.771......2.835
loose0.41000.41000.3100..0.771..1.845
open1.158..........1.158
scattered....0.7710.771..0.41001.745
grouped crowded..0.4100........0.4100
grouped normal....0.3100......0.3100
heterogeneous0.4100..........0.4100
total5.0272.5383.1331.7441.1580.410013.816
pure broadleaf forestn/a..............
crowded2.9353.2331.0582.141..8.52017.714
normal2.9351.1581.7440.31000.41002.8359.220
loose0.771..0.7710.31000.41000.41002.538
open0.41000.41000.31000.771..1.1582.835
scattered0.4100........0.7711.158
grouped crowded....0.3100..0.7711.1582.141
grouped normal..............
heterogeneous0.4100..........0.4100
total7.5224.7284.1283.4311.45014.51535.710
totaln/a..0.7710.41000.31000.7710.41002.538
crowded8.9206.9235.2257.9201.8459.61940.29
normal7.9214.7276.2234.1283.2335.72531.710
loose2.1410.7712.8352.1413.2332.53813.316
open2.9350.7710.7714.1283.2332.53814.016
scattered1.1580.41001.0583.1331.1581.8458.420
grouped crowded..1.1580.31001.0581.4501.1584.927
grouped normal0.41000.7710.31000.31002.1411.4505.326
heterogeneous1.158....3.4310.41000.41005.226
total24.31215.91516.91326.41016.91425.211125.55

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168438/154821

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · canton
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
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%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
AI< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
AR< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
BE< 1%....0.7710.771
1-4%..1.058..1.058
5-9%0.3100..0.41000.771
10-25%..0.7710.7711.450
26-50%..0.771..0.771
51-75%..0.3100..0.3100
76-100%..0.31000.31000.771
total0.31003.1332.1415.525
BL/BS< 1%........
1-4%........
5-9%........
10-25%........
26-50%....0.41000.4100
51-75%........
76-100%........
total....0.41000.4100
FR< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GE< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GL< 1%..0.4100..0.4100
1-4%..0.4100..0.4100
5-9%..0.4100..0.4100
10-25%0.4100..0.41000.870
26-50%........
51-75%0.4100....0.4100
76-100%..0.4100..0.4100
total0.8701.5490.41002.736
GR< 1%..0.3100..0.3100
1-4%....0.41000.4100
5-9%..0.771..0.771
10-25%..0.7711.7452.438
26-50%..0.31000.7711.058
51-75%....0.31000.3100
76-100%........
total..2.1413.2335.226
JU< 1%........
1-4%........
5-9%....0.41000.4100
10-25%....0.41000.4100
26-50%........
51-75%....0.41000.4100
76-100%........
total....1.2571.257
LU< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
NE< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
NW< 1%........
1-4%........
5-9%........
10-25%..0.4100..0.4100
26-50%........
51-75%........
76-100%........
total..0.4100..0.4100
OW< 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%........
26-50%........
51-75%........
76-100%0.4100....0.4100
total0.41000.4100..0.770
SG< 1%........
1-4%........
5-9%0.4100..0.7701.157
10-25%........
26-50%........
51-75%....0.41000.4100
76-100%........
total0.4100..1.1571.450
SH< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
SO< 1%........
1-4%..0.4100..0.4100
5-9%........
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%........
total..0.41000.41000.870
SZ< 1%........
1-4%........
5-9%........
10-25%........
26-50%....0.41000.4100
51-75%..0.770..0.770
76-100%........
total..0.7700.41001.157
TG< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
TI< 1%........
1-4%..0.7710.7711.450
5-9%0.41000.41000.41001.158
10-25%..1.4501.8443.233
26-50%..0.4100..0.4100
51-75%..0.771..0.771
76-100%..0.4100..0.4100
total0.41003.9302.9357.222
UR< 1%..0.3100..0.3100
1-4%..0.3100..0.3100
5-9%..0.770..0.770
10-25%..1.057..1.057
26-50%....0.31000.3100
51-75%........
76-100%........
total..2.3360.31002.634
VD< 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%........
total..0.41000.41000.871
VS< 1%........
1-4%....0.31000.3100
5-9%0.41001.0582.1413.431
10-25%..0.7711.0581.744
26-50%..1.0581.0582.141
51-75%..0.3100..0.3100
76-100%....0.31000.3100
total0.41003.1334.8268.220
ZG< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
ZH< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Switzerland< 1%..1.1580.7711.745
1-4%..2.8351.4504.329
5-9%1.4503.9303.9309.220
10-25%0.41004.9276.82312.017
26-50%..2.4382.8355.226
51-75%0.41002.1411.1583.632
76-100%0.41001.1580.7712.141
total2.63818.31417.41438.29

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168439/154822

NFI4b

forest area: degree of mixture · crown closure · 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
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..0.7712.5381.1581.4505.725
normal..1.1581.4501.1580.7714.329
loose....1.158..0.41001.450
open..0.7710.7711.158..2.538
scattered....0.4100....0.4100
grouped crowded............
grouped normal....0.4100....0.4100
heterogeneous....0.4100....0.4100
total..2.5386.8223.2332.53815.015
Eastern Juran/a............
crowded..0.4100..0.41000.41001.257
normal....0.4100..1.6492.044
loose............
open........0.41000.4100
scattered....0.4100....0.4100
grouped crowded............
grouped normal............
heterogeneous............
total..0.41000.8700.41002.4404.030
Western Plateaun/a............
crowded....0.41000.4100..0.870
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.4100..0.870
Central Plateaun/a............
crowded....0.3100..0.9571.250
normal........0.6710.671
loose......0.3100..0.3100
open............
scattered........0.31000.3100
grouped crowded............
grouped normal............
heterogeneous........0.31000.3100
total....0.31000.31002.2372.833
Eastern Plateaun/a............
crowded............
normal....0.7710.4100..1.158
loose........0.41000.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous......0.4100..0.4100
total....0.7710.7710.41001.844
Western Pre-Alpsn/a............
crowded..0.7700.41000.7700.7702.637
normal..0.4100....0.41000.770
loose............
open............
scattered............
grouped crowded......0.4100..0.4100
grouped normal............
heterogeneous............
total..1.1570.41001.1571.1573.730
Central Pre-Alpsn/a............
crowded..0.771....0.41001.158
normal..0.4100....0.41000.771
loose....0.41000.4100..0.771
open........0.41000.4100
scattered....0.4100....0.4100
grouped crowded............
grouped normal..0.4100......0.4100
heterogeneous............
total..1.4500.7710.41001.1583.631
Eastern Pre-Alpsn/a............
crowded..0.7711.1570.771..2.537
normal..0.7710.7710.41001.1572.935
loose..0.7710.4100..0.41001.450
open........0.41000.4100
scattered......0.771..0.771
grouped crowded............
grouped normal............
heterogeneous............
total..2.1402.1401.8441.8447.920
Northwestern Alpsn/a0.771........0.771
crowded....0.7710.41002.2403.233
normal..2.140..0.7710.41003.233
loose............
open....0.4100....0.4100
scattered............
grouped crowded..0.771......0.771
grouped normal....0.4100....0.4100
heterogeneous............
total0.7712.9351.4501.1572.5378.619
Central Alpsn/a............
crowded..0.770..0.31000.31001.449
normal..1.4490.3100..0.31002.140
loose..0.3100....0.31000.770
open..0.3100......0.3100
scattered............
grouped crowded........0.31000.3100
grouped normal............
heterogeneous............
total..2.7340.31000.31001.4494.825
Northeastern Alpsn/a0.4100........0.4100
crowded....0.770..0.7701.449
normal..0.41000.41000.41000.41001.449
loose....0.41000.4100..0.770
open............
scattered..0.4100......0.4100
grouped crowded............
grouped normal......0.4100..0.4100
heterogeneous............
total0.41000.7701.4491.1571.1574.726
Southwestern Alpsn/a0.3100........0.3100
crowded..3.8301.0581.0582.1417.920
normal..3.830....0.31004.128
loose..1.744....0.31002.141
open..2.4371.058..0.7714.128
scattered..1.7440.7710.771..3.133
grouped crowded..1.058......1.058
grouped normal..0.3100......0.3100
heterogeneous..3.431......3.431
total0.310018.2132.7351.7443.43126.410
Southeastern Alpsn/a0.771........0.771
crowded..1.1580.41000.4100..1.845
normal..2.1410.771..0.41003.233
loose..1.8450.41000.7710.41003.233
open..2.8350.4100....3.233
scattered..0.7710.4100....1.158
grouped crowded..0.771....0.7711.450
grouped normal..1.8450.4100....2.141
heterogeneous..0.4100......0.4100
total0.77111.2172.5381.1581.45016.914
Southern Alpsn/a0.4100........0.4100
crowded..0.7710.4100..8.5209.619
normal..2.1410.771..2.8355.725
loose..2.141....0.41002.538
open..1.450....1.1582.538
scattered..0.771..0.41000.7711.845
grouped crowded........1.1581.158
grouped normal..1.450......1.450
heterogeneous..0.4100......0.4100
total0.41008.9201.1580.410014.51525.211
Switzerlandn/a2.538........2.538
crowded..9.5197.8215.42617.61440.49
normal..14.4155.4262.9359.32031.910
loose..6.7232.5381.7452.53813.316
open..7.7212.4381.1582.93514.116
scattered..3.5322.1411.8451.0588.420
grouped crowded..2.438..0.41002.1414.927
grouped normal..3.9301.1580.4100..5.326
heterogeneous..4.1290.41000.41000.31005.226
total2.53852.2821.71313.91635.710126.05

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168440/154823

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %±
critical< 1%............
1-4%............
5-9%....12.511.73.42.33.43.43.81.8
10-25%......1.61.6..0.90.9
26-50%............
51-75%......1.61.6..0.90.9
76-100%....12.511.7....1.00.9
total....25.015.36.63.23.43.46.52.4
less stable< 1%......4.92.8..2.71.6
1-4%11.110.5....8.23.56.94.77.42.5
5-9%....12.511.713.14.36.94.710.12.9
10-25%11.110.5..12.511.711.54.117.27.013.03.2
26-50%..100.0.12.511.74.92.86.94.76.52.4
51-75%....12.511.74.92.86.94.75.62.2
76-100%......3.32.33.43.42.81.6
total22.213.9100.0.50.017.750.86.448.29.348.04.8
stable< 1%11.110.5....1.61.6..1.91.3
1-4%......1.61.610.55.73.81.8
5-9%22.113.8....13.14.33.43.410.12.9
10-25%22.213.9..12.511.711.54.131.08.617.73.7
26-50%11.110.5....11.54.1..7.32.5
51-75%11.110.5..12.511.7..3.43.42.81.6
76-100%......3.32.3..1.81.3
total77.813.9..25.015.342.66.348.39.345.54.8
total< 1%11.110.5....6.63.2..4.62.0
1-4%11.110.5....9.83.817.47.111.13.0
5-9%22.113.8..25.015.329.65.813.86.424.04.1
10-25%33.415.7..25.015.324.65.548.29.331.64.5
26-50%11.110.5100.0.12.511.716.44.76.94.713.83.3
51-75%11.110.5..25.015.36.63.210.35.79.32.8
76-100%....12.511.76.63.23.43.45.52.2
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 #168441/154824

NFI4b

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: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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%....100.0.50.020.425.021.775.021.753.412.9
61-80%......50.020.450.025.025.021.739.812.6
over 80%........25.021.7..6.76.5
total....100.0.100.0.100.0.100.0.100.0.
lower subalpine0-20%....8.38.0......1.71.7
21-40%....8.58.111.16.118.211.6..10.03.9
41-60%....8.38.040.79.527.313.433.315.729.85.9
61-80%100.0...41.614.233.39.127.313.444.416.636.76.2
over 80%....33.313.614.86.827.313.422.213.921.85.3
total100.0...100.0.100.0.100.0.100.0.100.0.
upper montane0-20%....3.03.0......1.11.1
21-40%........7.16.912.58.33.41.9
41-60%....12.25.723.111.721.411.019.09.814.63.7
61-80%36.414.550.035.424.27.523.111.721.411.024.910.825.94.6
over 80%63.614.550.035.460.68.553.813.850.013.443.612.455.05.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%..............
21-40%....3.73.6....9.18.72.11.5
41-60%..16.715.2..8.38.010.09.5..3.11.8
61-80%14.36.616.715.214.86.841.714.340.015.59.18.720.14.1
over 80%85.76.666.719.381.57.550.014.550.015.881.811.674.64.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%..............
21-40%..............
41-60%6.36.1....9.18.733.327.33.03.04.02.0
61-80%18.89.89.18.728.09.036.414.533.327.315.26.221.14.1
over 80%75.010.890.98.772.09.054.515.033.327.381.86.774.84.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%....2.01.4......0.60.4
21-40%....2.11.44.32.57.14.04.12.33.10.9
41-60%1.81.85.35.16.12.427.55.421.46.313.74.012.81.8
61-80%21.45.515.88.424.54.334.85.731.07.120.54.725.42.3
over 80%76.85.678.99.365.34.833.35.740.57.661.65.758.22.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168442/154825

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%............
1-4%............
5-9%....0.41000.7710.41001.450
10-25%......0.3100..0.3100
26-50%............
51-75%......0.3100..0.3100
76-100%....0.4100....0.4100
total....0.7711.4500.41002.538
less stable< 1%......1.058..1.058
1-4%0.4100....1.7450.7712.835
5-9%....0.41002.8350.7713.830
10-25%0.4100..0.41002.4381.8454.927
26-50%..0.41000.41001.0580.7712.538
51-75%....0.41001.0580.7712.141
76-100%......0.7710.41001.058
total0.7710.41001.45010.7185.02618.214
stable< 1%0.4100....0.3100..0.771
1-4%......0.31001.1581.450
5-9%0.771....2.8350.41003.830
10-25%0.771..0.41002.4383.2336.723
26-50%0.4100....2.438..2.835
51-75%0.4100..0.4100..0.41001.158
76-100%......0.771..0.771
total2.638..0.7719.0195.02617.214
total< 1%0.4100....1.450..1.745
1-4%0.4100....2.1411.8454.229
5-9%0.771..0.7716.2231.4509.120
10-25%1.158..0.7715.2265.02612.017
26-50%0.41000.41000.41003.5310.7715.226
51-75%0.4100..0.7711.4501.1583.532
76-100%....0.41001.4500.41002.141
total3.3330.41002.93521.11210.31837.99

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168443/154826

NFI4b

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: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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%....0.41001.0580.41001.1582.835
61-80%......1.0580.7710.41002.141
over 80%........0.4100..0.4100
total....0.41002.1411.4501.4505.226
lower subalpine0-20%....0.4100......0.4100
21-40%....0.41001.0580.771..2.141
41-60%....0.41003.8301.1581.1586.223
61-80%0.4100..1.8453.1331.1581.4507.721
over 80%....1.4501.4501.1580.7714.628
total0.4100..4.3299.2183.9303.23320.913
upper montane0-20%....0.4100......0.4100
21-40%........0.41000.7711.158
41-60%....1.4501.0581.1581.1584.628
61-80%1.4500.41002.8351.0581.1581.4508.121
over 80%2.5380.41007.1222.4372.5372.53817.314
total4.0300.77111.7174.4274.9265.72531.510
lower montane0-20%..............
21-40%....0.4100....0.41000.771
41-60%..0.4100..0.31000.4100..1.058
61-80%1.4500.41001.4501.7441.4500.41006.723
over 80%8.6201.4507.8212.1411.8443.23324.912
total10.1182.1419.6194.1283.5313.93033.310
colline/submontane0-20%..............
21-40%..............
41-60%0.4100....0.31000.41000.41001.450
61-80%1.1580.41002.5381.4500.41001.8457.422
over 80%4.3293.5316.4232.1410.41009.61926.311
total5.8253.9308.9203.8301.15811.81735.110
total0-20%....0.771......0.771
21-40%....0.7711.0581.1581.1583.930
41-60%0.41000.41002.1416.5223.2333.63116.115
61-80%4.3291.1588.5208.2204.6275.32532.010
over 80%15.5155.32622.7127.9206.02416.01473.47
total20.2136.72334.81023.61114.81526.011126.15

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168444/154827

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
critical< 1%..............
1-4%..............
5-9%..5.95.74.54.44.44.3..3.43.43.81.8
10-25%....4.54.4......0.90.9
26-50%..............
51-75%....4.54.4......0.90.9
76-100%..5.95.7........1.00.9
total..11.87.813.67.34.44.3..3.43.46.52.4
less stable< 1%....9.16.1..16.715.2..2.71.6
1-4%10.09.517.69.39.16.1....6.94.77.52.5
5-9%..11.87.813.67.312.56.716.715.26.94.710.12.9
10-25%10.09.511.87.813.67.38.35.616.715.217.27.013.03.2
26-50%10.09.55.95.7..12.56.7..6.94.76.52.4
51-75%..5.95.79.16.14.24.1..6.94.75.52.2
76-100%..5.95.74.54.4....3.43.42.81.6
total30.014.558.811.959.110.537.49.950.020.448.29.348.14.8
stable< 1%10.09.55.95.7........1.91.3
1-4%......4.24.1..10.55.73.71.8
5-9%20.112.7..9.16.124.98.8..3.43.410.12.9
10-25%20.012.617.69.34.54.412.56.716.715.231.08.617.73.7
26-50%10.09.5..9.16.112.56.733.319.3..7.32.5
51-75%10.09.5..4.54.4....3.43.42.81.6
76-100%..5.95.7..4.24.1....1.91.3
total70.014.529.411.127.39.558.210.150.020.448.39.345.44.8
total< 1%10.09.55.95.79.16.1..16.715.2..4.62.0
1-4%10.09.517.69.39.16.14.24.1..17.47.111.23.1
5-9%20.112.717.69.327.39.541.810.116.715.213.86.424.04.1
10-25%30.014.529.411.122.78.920.88.333.319.348.29.331.64.5
26-50%20.012.65.95.79.16.124.98.833.319.36.94.713.83.3
51-75%10.09.55.95.718.28.24.24.1..10.35.79.22.8
76-100%..17.69.34.54.44.24.1..3.43.45.62.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168445/154828

NFI4b

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: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
AG0-20%............
21-40%............
41-60%............
61-80%........33.327.333.327.3
over 80%........66.727.366.727.3
total........100.0.100.0.
AI0-20%............
21-40%............
41-60%............
61-80%..100.0.......100.0.
over 80%............
total..100.0.......100.0.
AR0-20%............
21-40%............
41-60%......33.327.7..16.715.5
61-80%....50.036.033.327.7..33.319.6
over 80%....50.036.033.327.7100.0.50.020.8
total....100.0.100.0.100.0.100.0.
BE0-20%..25.021.7......1.91.9
21-40%............
41-60%100.0...13.79.0....5.93.3
61-80%..50.025.026.511.418.89.818.89.823.05.8
over 80%..25.021.759.712.781.39.781.39.769.16.4
total100.0.100.0.100.0.100.0.100.0.100.0.
BL/BS0-20%............
21-40%............
41-60%........20.018.016.715.3
61-80%........20.018.016.715.3
over 80%......100.0.60.022.166.719.4
total......100.0.100.0.100.0.
FR0-20%............
21-40%............
41-60%............
61-80%........100.0.25.021.7
over 80%....100.0.100.0...75.021.7
total....100.0.100.0.100.0.100.0.
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%............
41-60%....33.327.5....12.511.8
61-80%............
over 80%....66.727.4100.0.100.0.87.511.6
total....100.0.100.0.100.0.100.0.
GR0-20%............
21-40%..15.410.04.34.2....5.02.8
41-60%25.021.738.513.526.29.28.38.012.511.723.45.5
61-80%50.025.023.111.721.78.650.014.425.015.330.05.9
over 80%25.021.723.111.747.710.441.714.262.517.141.66.4
total100.0.100.0.100.0.100.0.100.0.100.0.
JU0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
LU0-20%............
21-40%............
41-60%............
61-80%............
over 80%........100.0.100.0.
total........100.0.100.0.
NE0-20%............
21-40%............
41-60%............
61-80%....66.727.328.617.2..40.015.6
over 80%....33.327.471.417.1..60.015.5
total....100.0.100.0...100.0.
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...50.035.7100.0.75.021.8
over 80%......50.035.7..25.021.8
total..100.0...100.0.100.0.100.0.
SG0-20%............
21-40%..100.0.......5.85.6
41-60%............
61-80%....50.025.114.313.3..17.79.3
over 80%....50.025.185.713.2100.0.76.510.3
total..100.0.100.0.100.0.100.0.100.0.
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
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%....100.0.100.0...100.0.
total....100.0.100.0...100.0.
TI0-20%............
21-40%....28.617.110.09.5..5.12.9
41-60%75.021.714.313.2....3.23.28.53.6
61-80%25.021.757.118.728.617.1..16.16.620.35.2
over 80%..28.617.142.918.790.09.580.67.166.16.2
total100.0.100.0.100.0.100.0.100.0.100.0.
UR0-20%....20.018.0....8.38.0
21-40%......33.327.4..8.38.0
41-60%....20.018.0....8.38.0
61-80%....40.022.0..100.0.33.313.7
over 80%..100.0.20.018.066.727.4..41.714.3
total..100.0.100.0.100.0.100.0.100.0.
VD0-20%............
21-40%............
41-60%............
61-80%..100.0.33.319.3....23.510.3
over 80%....66.719.3100.0.100.0.76.510.3
total..100.0.100.0.100.0.100.0.100.0.
VS0-20%............
21-40%..10.35.7......3.92.2
41-60%50.020.441.49.217.69.38.38.07.77.426.05.0
61-80%50.020.431.08.617.69.341.714.330.812.831.25.3
over 80%..17.27.064.711.650.014.461.513.539.05.6
total100.0.100.0.100.0.100.0.100.0.100.0.
ZG0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0...100.0.
total......100.0...100.0.
ZH0-20%............
21-40%............
41-60%............
61-80%........100.0.100.0.
over 80%............
total........100.0.100.0.
Switzerland0-20%..1.61.61.11.1....0.50.4
21-40%..10.03.93.41.92.11.5..3.10.9
41-60%53.412.929.95.914.73.83.11.74.12.012.81.8
61-80%39.912.637.06.225.64.619.74.121.04.125.22.3
over 80%6.76.421.55.355.25.375.24.474.84.458.42.6
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 #168446/154829

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%..............
1-4%..............
5-9%..0.41000.31000.4100..0.41001.450
10-25%....0.3100......0.3100
26-50%..............
51-75%....0.3100......0.3100
76-100%..0.4100........0.4100
total..0.7711.0580.4100..0.41002.538
less stable< 1%....0.771..0.4100..1.058
1-4%0.41001.1580.771....0.7712.835
5-9%..0.7711.0581.0580.41000.7713.830
10-25%0.41000.7711.0580.7710.41001.8454.927
26-50%0.41000.4100..1.058..0.7712.538
51-75%..0.41000.7710.3100..0.7712.141
76-100%..0.41000.3100....0.41001.158
total1.1583.6314.5273.1331.1585.02618.314
stable< 1%0.41000.4100........0.771
1-4%......0.3100..1.1581.450
5-9%0.771..0.7712.141..0.41003.830
10-25%0.7711.1580.31001.0580.41003.2336.723
26-50%0.4100..0.7711.0580.771..2.835
51-75%0.4100..0.3100....0.41001.158
76-100%..0.4100..0.3100....0.771
total2.5381.8452.1414.8261.1585.02617.214
total< 1%0.41000.41000.771..0.4100..1.845
1-4%0.41001.1580.7710.3100..1.8454.329
5-9%0.7711.1582.1413.4310.41001.4509.120
10-25%1.1581.8451.7441.7440.7715.02612.017
26-50%0.7710.41000.7712.1410.7710.7715.226
51-75%0.41000.41001.4500.3100..1.1583.532
76-100%..1.1580.31000.3100..0.41002.141
total3.6326.1247.6218.2202.14110.31837.99

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168447/154830

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%..............................
1-4%..............................
5-9%..............33.327.38.38.0....4.44.3..3.43.43.81.8
10-25%....................11.110.5......0.90.9
26-50%..............................
51-75%....................11.110.5......0.90.9
76-100%............25.021.7..............0.90.9
total............25.021.733.327.38.38.0..22.213.94.44.3..3.43.46.62.4
less stable< 1%..................10.09.511.110.5..16.715.2..2.81.6
1-4%12.411.7..............25.012.510.09.511.110.5....6.94.77.52.5
5-9%............25.021.7..8.38.020.012.711.110.512.56.716.715.26.94.710.12.9
10-25%12.411.7..........25.021.7..8.38.030.014.6..8.35.616.715.217.27.012.93.2
26-50%......100.0.....25.021.7........12.56.7..6.94.76.32.3
51-75%..............33.327.38.38.010.09.5..4.24.1..6.94.75.52.2
76-100%................8.38.0..11.110.5....3.43.42.81.6
total24.915.3....100.0.....75.021.733.327.358.314.380.012.644.416.637.49.950.020.448.29.347.94.8
stable< 1%12.411.7..............8.38.0..........1.91.3
1-4%......................4.24.1..10.55.73.71.8
5-9%25.415.5..................22.213.924.98.8..3.43.410.12.9
10-25%24.915.3........100.0.....16.710.8..11.110.512.56.716.715.231.08.617.73.7
26-50%..100.0...............20.012.7..12.56.733.319.3..7.42.5
51-75%12.411.7............33.327.3..........3.43.42.81.6
76-100%................8.38.0....4.24.1....1.81.3
total75.115.3100.0.......100.0...33.327.333.313.620.012.733.315.858.210.150.020.448.39.345.54.8
total< 1%12.411.7..............8.38.010.09.511.110.5..16.715.2..4.62.0
1-4%12.411.7..............25.012.510.09.511.110.54.24.1..17.47.111.23.0
5-9%25.415.5..........25.021.733.327.316.710.820.012.733.315.841.810.116.715.213.86.424.04.1
10-25%37.317.1........100.0.25.021.7..25.012.530.014.622.213.920.88.333.319.348.29.331.54.5
26-50%..100.0...100.0.....25.021.7....20.012.7..24.98.833.319.36.94.713.73.3
51-75%12.411.7............66.727.38.38.010.09.511.110.54.24.1..10.35.79.32.8
76-100%............25.021.7..16.710.8..11.110.54.24.1..3.43.45.62.2
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 #168448/154831

NFI4b

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: landslide/mudflow SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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%........0.41000.4100
over 80%........0.8700.870
total........1.2571.257
AI0-20%............
21-40%............
41-60%............
61-80%..0.3100......0.3100
over 80%............
total..0.3100......0.3100
AR0-20%............
21-40%............
41-60%......0.3100..0.3100
61-80%....0.31000.3100..0.669
over 80%....0.31000.31000.31001.055
total....0.6691.0550.31001.937
BE0-20%..0.3100......0.3100
21-40%............
41-60%0.3100..0.771....1.058
61-80%..0.7711.4501.0581.0584.129
over 80%..0.31003.1334.4274.42712.316
total0.31001.4505.2265.5255.52517.813
BL/BS0-20%............
21-40%............
41-60%........0.41000.4100
61-80%........0.41000.4100
over 80%......0.41001.2571.649
total......0.41002.0432.439
FR0-20%............
21-40%............
41-60%............
61-80%........0.41000.4100
over 80%....0.41000.770..1.157
total....0.41000.7700.41001.549
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%............
41-60%....0.4100....0.4100
61-80%............
over 80%....0.8701.5490.41002.736
total....1.2571.5490.41003.133
GR0-20%............
21-40%..0.7710.3100....1.058
41-60%0.31001.7452.1410.31000.31004.926
61-80%0.7711.0581.7452.1410.7716.323
over 80%0.31001.0583.8301.7451.7458.720
total1.4504.5278.0204.2292.83521.012
JU0-20%............
21-40%............
41-60%............
61-80%............
over 80%......1.6490.41001.944
total......1.6490.41001.944
LU0-20%............
21-40%............
41-60%............
61-80%............
over 80%........0.31000.3100
total........0.31000.3100
NE0-20%............
21-40%............
41-60%............
61-80%....0.6700.670..1.349
over 80%....0.31001.644..1.940
total....1.0572.237..3.230
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%..0.4100..0.41000.41001.157
over 80%......0.4100..0.4100
total..0.4100..0.7700.41001.549
SG0-20%............
21-40%..0.4100......0.4100
41-60%............
61-80%....0.7700.4100..1.157
over 80%....0.7702.2401.8444.727
total..0.41001.4502.5371.8446.123
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.41000.41000.770
total......0.41000.41000.770
SO0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.41000.8701.157
total......0.41000.8701.157
SZ0-20%............
21-40%............
41-60%............
61-80%............
over 80%....0.7700.7700.41001.844
total....0.7700.7700.41001.844
TG0-20%............
21-40%............
41-60%............
61-80%............
over 80%....0.31000.3100..0.670
total....0.31000.3100..0.670
TI0-20%............
21-40%....0.7710.4100..1.158
41-60%1.1580.4100....0.41001.844
61-80%0.41001.4500.771..1.8444.328
over 80%..0.7711.1583.2339.01914.015
total1.4502.5372.5373.63111.11721.112
UR0-20%....0.3100....0.3100
21-40%......0.3100..0.3100
41-60%....0.3100....0.3100
61-80%....0.770..0.7701.349
over 80%..0.7700.31000.770..1.743
total..0.7701.7431.0570.7704.027
VD0-20%............
21-40%............
41-60%............
61-80%..0.8710.871....1.550
over 80%....1.5501.5501.9444.927
total..0.8712.3401.5501.9446.524
VS0-20%............
21-40%..1.058......1.058
41-60%1.0584.1281.0580.31000.31006.922
61-80%1.0583.1331.0581.7441.4508.220
over 80%..1.7443.8302.1412.73510.318
total2.1419.9185.8244.1284.52726.410
ZG0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.4100..0.4100
total......0.4100..0.4100
ZH0-20%............
21-40%............
41-60%............
61-80%........0.41000.4100
over 80%............
total........0.41000.4100
Switzerland0-20%..0.31000.3100....0.771
21-40%..2.1411.1580.771..3.830
41-60%2.8356.2234.6281.0581.55016.015
61-80%2.1417.7218.0216.5237.52231.710
over 80%0.31004.52817.11424.91226.51173.47
total5.22620.81331.11033.21035.410125.75

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #168449/154832

NFI3

forest area: stand stability · degree of cover of regeneration (7 classes) · 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
stand stability
criticalless stablestabletotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%....0.41000.4100
1-4%..0.4100..0.4100
5-9%....0.7710.771
10-25%..0.41000.7711.158
26-50%........
51-75%....0.41000.4100
76-100%........
total..0.7712.2412.935
Eastern Jura< 1%........
1-4%........
5-9%........
10-25%........
26-50%....0.41000.4100
51-75%........
76-100%........
total....0.41000.4100
Western Plateau< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Central Plateau< 1%........
1-4%........
5-9%........
10-25%........
26-50%..0.3100..0.3100
51-75%........
76-100%........
total..0.3100..0.3100
Eastern Plateau< 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Western Pre-Alps< 1%........
1-4%........
5-9%........
10-25%....0.41000.4100
26-50%........
51-75%........
76-100%........
total....0.41000.4100
Central Pre-Alps< 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%..0.4100..0.4100
26-50%..0.4100..0.4100
51-75%........
76-100%0.4100....0.4100
total0.41001.158..1.450
Eastern Pre-Alps< 1%........
1-4%........
5-9%0.4100....0.4100
10-25%........
26-50%........
51-75%..0.41000.41000.771
76-100%........
total0.41000.41000.41001.157
Northwestern Alps< 1%....0.41000.4100
1-4%..1.157..1.157
5-9%0.41000.4100..0.771
10-25%..0.41000.7711.157
26-50%........
51-75%..0.4100..0.4100
76-100%..0.41000.41000.771
total0.41002.5371.4504.328
Central Alps< 1%..0.3100..0.3100
1-4%..0.3100..0.3100
5-9%..0.770..0.770
10-25%..1.057..1.057
26-50%....0.7700.770
51-75%..0.3100..0.3100
76-100%........
total..2.7340.7703.430
Northeastern Alps< 1%..0.4100..0.4100
1-4%..0.4100..0.4100
5-9%..0.41000.7701.157
10-25%0.4100..0.41000.770
26-50%........
51-75%0.4100....0.4100
76-100%..0.4100..0.4100
total0.7701.4491.1573.232
Southwestern Alps< 1%........
1-4%....0.31000.3100
5-9%0.41001.0582.1413.431
10-25%..0.7711.0581.744
26-50%..1.0581.0582.141
51-75%..0.3100..0.3100
76-100%....0.31000.3100
total0.41003.1334.8268.220
Southeastern Alps< 1%..0.4100..0.4100
1-4%........
5-9%..0.4100..0.4100
10-25%..0.41000.41000.771
26-50%....0.7710.771
51-75%........
76-100%........
total..1.1581.1582.141
Southern Alps< 1%........
1-4%..0.7711.1581.845
5-9%0.41000.7710.41001.450
10-25%..1.8453.2335.026
26-50%..0.771..0.771
51-75%..0.7710.41001.158
76-100%..0.4100..0.4100
total0.41005.0265.02610.318
Switzerland< 1%..1.1580.7711.845
1-4%..2.8351.4504.329
5-9%1.4503.8303.9309.120
10-25%0.41004.9276.72312.017
26-50%..2.4382.8355.226
51-75%0.41002.1411.1583.532
76-100%0.41001.1580.7712.141
total2.53818.21417.31438.09

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168450/154833

NFI4b

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 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
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
upper subalpine0-20%............
21-40%............
41-60%......45.515.075.021.753.512.9
61-80%......45.515.025.021.739.912.6
over 80%......9.18.7..6.66.4
total......100.0.100.0.100.0.
lower subalpine0-20%......2.12.1..1.71.6
21-40%......12.94.9..10.03.9
41-60%......31.96.833.315.729.95.9
61-80%100.0...100.0.29.86.744.416.636.96.2
over 80%......23.46.222.213.921.65.3
total100.0...100.0.100.0.100.0.100.0.
upper montane0-20%......1.91.9..1.11.1
21-40%......1.91.914.29.33.41.9
41-60%......20.85.614.59.514.53.7
61-80%30.014.550.035.430.014.522.65.728.512.125.94.6
over 80%70.014.550.035.470.014.552.86.942.713.255.15.3
total100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%............
21-40%......2.92.89.18.72.11.5
41-60%....5.65.45.73.9..3.21.8
61-80%16.07.3..22.29.828.67.69.18.720.14.1
over 80%84.07.3100.0.72.210.662.98.281.811.674.64.5
total100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%............
21-40%............
41-60%6.36.1....6.74.63.03.04.02.0
61-80%12.58.322.213.936.414.526.78.115.26.221.24.1
over 80%81.39.877.813.963.614.566.78.681.86.774.84.4
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%......1.10.8..0.50.4
21-40%......4.61.64.22.43.10.9
41-60%1.91.9..2.42.419.93.012.74.012.81.8
61-80%19.25.518.89.833.37.327.83.421.14.825.42.3
over 80%78.85.781.39.864.37.446.63.861.95.858.22.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168451/154834

NFI4b

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 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
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine0-20%............
21-40%............
41-60%......1.7451.1582.835
61-80%......1.7450.41002.141
over 80%......0.3100..0.3100
total......3.8301.4505.226
lower subalpine0-20%......0.3100..0.3100
21-40%......2.141..2.141
41-60%......5.2261.1586.223
61-80%0.4100..1.1584.8271.4507.721
over 80%......3.8300.7714.528
total0.4100..1.15816.3143.23320.913
upper montane0-20%......0.3100..0.3100
21-40%......0.31000.7711.158
41-60%......3.8300.7714.528
61-80%1.1580.41001.1584.1291.4508.121
over 80%2.6380.41002.5389.7192.14117.214
total3.7310.7713.63118.3135.02631.310
lower montane0-20%............
21-40%......0.31000.41000.771
41-60%....0.41000.771..1.158
61-80%1.550..1.4503.5320.41006.723
over 80%7.7211.8454.7277.6213.23324.912
total9.1201.8456.52312.1173.93033.410
colline/submontane0-20%............
21-40%............
41-60%0.4100....0.7710.41001.450
61-80%0.7710.7711.4502.8351.8457.422
over 80%4.7272.5382.5386.9229.61926.211
total5.8253.2334.03010.41811.71735.010
total0-20%......0.771..0.771
21-40%......2.8351.1583.830
41-60%0.4100..0.410012.1173.23316.015
61-80%3.7311.1585.02616.9145.32532.010
over 80%15.0154.6279.71928.31115.61473.27
total19.0135.62515.11560.8725.211125.85

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #168452/154835

NFI3

forest area: stand stability · degree of cover of assured regeneration · biogeographical 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
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %±
criticalless than 1%......4.44.3....1.00.9
1-4%....2.62.6......0.90.9
5-9%....2.62.6....3.43.41.91.3
10-25%....5.33.6......1.91.3
26-50%..............
51-75%..............
76-100%....2.62.6......0.90.9
total....13.25.54.44.3..3.43.46.52.4
less stableless than 1%....7.94.4..16.715.2..3.71.8
1-4%11.110.5..15.85.98.35.6..10.35.711.13.0
5-9%....13.25.54.24.116.715.23.43.47.42.5
10-25%11.110.5..13.25.516.67.616.715.217.27.014.83.4
26-50%..50.035.45.33.64.24.1..6.94.75.62.2
51-75%....2.62.64.24.1..10.35.74.62.0
76-100%....2.62.6......0.90.9
total22.213.950.035.460.57.937.49.950.020.448.29.348.14.8
stableless than 1%11.110.5..2.62.6......1.91.3
1-4%22.413.9..2.62.612.56.7..10.55.78.42.7
5-9%11.110.5..2.62.620.88.3..6.94.78.22.6
10-25%11.110.550.035.413.25.516.67.616.715.227.58.318.53.7
26-50%11.110.5..2.62.64.24.133.319.33.43.45.62.2
51-75%11.110.5..........0.90.9
76-100%....2.62.64.24.1....1.81.3
total77.813.950.035.426.37.158.210.150.020.448.49.345.34.8
totalless than 1%11.110.5..10.55.04.44.316.715.2..6.52.4
1-4%33.415.7..21.16.620.88.3..20.87.620.43.9
5-9%11.110.5..18.46.324.98.816.715.213.86.417.53.7
10-25%22.213.950.035.431.67.533.29.633.319.344.89.235.24.6
26-50%11.110.550.035.47.94.48.35.633.319.310.35.711.13.0
51-75%11.110.5..2.62.64.24.1..10.35.75.62.2
76-100%....7.94.44.24.1....3.71.8
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 #168453/154836
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