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NFI3

forest area: stand stability · degree of cover of assured regeneration · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalless than 1%..........................................9.18.71.51.4....0.80.5
1-4%......2.42.3........1.61.6......33.327.8............3.73.6....1.41.4....1.80.8
5-9%......................................3.73.6....1.41.4....0.70.5
10-25%......2.42.3......9.28.81.61.6........20.018.1............10.09.5........1.90.8
26-50%................3.22.2..........................1.41.4....1.10.6
51-75%....................................................
76-100%....................................................
total......4.73.3......9.28.86.43.1......33.327.820.018.1..........7.45.010.09.69.18.75.62.7....6.31.5
less stableless than 1%..............9.28.84.82.7......................10.09.5..1.41.4....2.20.9
1-4%......19.06.0......9.28.88.13.5........20.018.1......16.715.3..3.73.620.012.79.18.75.52.7....8.71.7
5-9%......9.54.5..33.327.3..17.511.36.43.1......33.327.840.022.1..........3.73.610.09.518.211.610.93.7....9.61.8
10-25%......14.25.4........9.73.850.035.5......20.018.120.012.7........11.26.130.014.618.211.616.44.3....13.12.0
26-50%......2.42.3..33.327.3....4.82.7................16.715.3..7.45.0..18.211.65.52.7....5.21.3
51-75%..........................................9.18.72.71.9....1.10.6
76-100%....................................................
total......45.17.7..66.727.3..35.814.533.86.050.035.5....33.327.880.018.020.012.7....33.319.3..26.08.570.014.672.713.442.45.8....39.93.0
stableless than 1%..66.727.9..4.73.3......9.28.86.43.1......................10.09.59.18.7......4.01.2
1-4%......14.45.4......9.28.811.44.0..50.035.5......30.014.5....16.715.3..11.16.0....6.83.0....9.91.8
5-9%..33.328.0100.0.9.54.5........4.82.7..........20.012.7........22.28.0..9.18.717.84.5....11.21.9
10-25%......12.05.0......9.28.824.25.450.035.550.035.533.327.4..........50.020.5..11.16.0....23.34.9....17.02.3
26-50%......9.54.5..33.327.3..18.311.89.73.8....66.727.333.327.8............18.57.510.09.5..2.71.9....8.81.7
51-75%..............9.28.83.22.2..........30.014.5..............1.41.4....2.61.0
76-100%......................................3.73.6..........0.40.4
total..100.0.100.0.50.27.7..33.327.3..55.015.159.76.250.035.5100.0.100.0.33.327.8..80.012.6....66.719.3..66.69.120.012.718.211.652.05.8....53.83.0
totalless than 1%..66.727.9..4.73.3......18.311.811.34.0......................20.012.718.211.62.82.0....6.91.5
1-4%......35.87.4......18.311.821.05.2..50.035.5..33.327.820.018.130.014.5....33.319.3..18.57.520.012.79.18.713.74.0....20.42.4
5-9%..33.328.0100.0.19.06.0..33.327.3..17.511.311.34.0......33.327.840.022.120.012.7........29.68.810.09.527.313.430.15.4....21.52.5
10-25%......28.67.0......18.311.835.56.1100.0.50.035.533.327.4..40.022.120.012.7....50.020.5..22.38.040.015.618.211.639.75.7....32.02.8
26-50%......11.95.0..66.727.3..18.311.817.74.9....66.727.333.327.8........16.715.3..25.98.410.09.618.211.69.63.4....15.02.2
51-75%..............9.28.83.22.2..........30.014.5............9.18.74.12.3....3.71.2
76-100%......................................3.73.6..........0.40.4
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.....100.0...100.0.100.0.100.0.100.0.....100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #169671/156054

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI1
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura3.11827.0630.25
Eastern Jura0.4504.5145.014
Western Plateau0.11005.0145.114
Central Plateau0.27110.0910.29
Eastern Plateau..5.7135.713
Western Pre-Alps0.45027.2427.64
Central Pre-Alps1.42746.6448.04
Eastern Pre-Alps0.73837.2437.94
Northwestern Alps2.91933.5436.34
Central Alps4.21511.5815.76
Northeastern Alps3.31718.2621.55
Southwestern Alps6.81267.8374.73
Southeastern Alps4.51572.6377.03
Southern Alps10.99113.42124.32
Switzerland38.95480.31519.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169672/156055

NFI2

forest area: stand stability · regeneration cover · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....1.8450.7710.7711.4504.628
< 1%..............
1-9%..............
10-25%..............
26-50%..............
51-75%..............
76-100%..............
total....1.8450.7710.7711.4504.628
criticaln/a..............
< 1%....4.6280.31001.450..6.423
1-9%0.7710.41008.5201.7444.9262.53818.714
10-25%..0.41002.1412.4370.7711.1586.723
26-50%..0.7713.2331.4500.7711.8457.821
51-75%....2.141....1.1583.233
76-100%....2.1410.7710.41001.4504.628
total0.7711.45022.7126.5228.1207.92147.38
less stablen/a..............
< 1%0.7710.41007.5222.7354.6271.45017.314
1-9%2.2412.53829.8108.9198.52016.41468.27
10-25%4.7273.93023.8127.9207.42113.51661.17
26-50%4.0302.53820.3137.2211.8448.52044.29
51-75%4.0302.53813.1162.7350.7712.83525.812
76-100%1.1581.1586.4231.0581.4500.77111.717
total16.61412.716100.8530.4924.41143.48228.33
stablen/a..............
< 1%1.158..2.8351.4502.5372.53810.318
1-9%4.3292.14113.1168.2208.12018.51354.48
10-25%5.4254.92618.4148.2206.02414.21557.38
26-50%4.3292.14113.1165.5243.23310.01838.29
51-75%3.2331.8459.9194.826..3.93023.612
76-100%2.5382.8355.725..1.1581.45013.516
total20.91213.81663.2728.11020.81250.57197.24
totaln/a....1.8450.7710.7711.4504.628
< 1%1.8450.410014.9154.4278.5203.93033.910
1-9%7.2224.92651.4818.81221.61237.49141.35
10-25%10.1189.21944.3818.51314.11528.810125.15
26-50%8.3205.32636.6914.0155.72420.31390.26
51-75%7.2224.22925.2117.5210.7717.82152.68
76-100%3.6313.93014.2161.7442.8353.63129.811
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169673/156056

NFI3

forest area: stand stability · degree of cover of assured regeneration · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
stand stability
criticalless stablestabletotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
AIless than 1%....0.6690.669
1-4%........
5-9%....0.31000.3100
10-25%........
26-50%........
51-75%........
76-100%........
total....1.0541.054
ARless than 1%........
1-4%........
5-9%....0.31000.3100
10-25%........
26-50%........
51-75%........
76-100%........
total....0.31000.3100
BEless than 1%....0.7710.771
1-4%0.31002.7352.1415.226
5-9%..1.4501.4502.735
10-25%0.31002.1411.7454.129
26-50%..0.31001.4501.745
51-75%........
76-100%........
total0.7716.5237.22214.415
BL/BSless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
FRless than 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%........
26-50%..0.41000.41000.770
51-75%........
76-100%........
total..0.7700.41001.157
GEless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GLless than 1%..0.41000.41000.870
1-4%..0.41000.41000.870
5-9%..0.771..0.771
10-25%0.4100..0.41000.870
26-50%....0.8700.870
51-75%....0.41000.4100
76-100%........
total0.41001.5492.3394.228
GRless than 1%..1.0581.4502.438
1-4%0.31001.7452.5384.627
5-9%..1.4501.0582.438
10-25%0.31002.1415.2257.721
26-50%0.7711.0582.1413.830
51-75%....0.7710.771
76-100%........
total1.4507.32112.91621.612
JUless than 1%........
1-4%........
5-9%........
10-25%..0.41000.41000.870
26-50%........
51-75%........
76-100%........
total..0.41000.41000.870
LUless than 1%........
1-4%....0.31000.3100
5-9%........
10-25%....0.31000.3100
26-50%........
51-75%........
76-100%........
total....0.6700.670
NEless than 1%........
1-4%........
5-9%........
10-25%....0.31000.3100
26-50%....0.6700.670
51-75%........
76-100%........
total....1.0571.057
NWless than 1%........
1-4%0.4100....0.4100
5-9%..0.4100..0.4100
10-25%........
26-50%....0.41000.4100
51-75%........
76-100%........
total0.41000.41000.41001.255
OWless than 1%........
1-4%..0.4100..0.4100
5-9%..0.770..0.770
10-25%0.41000.4100..0.770
26-50%........
51-75%........
76-100%........
total0.41001.549..1.943
SGless than 1%........
1-4%....1.1571.157
5-9%....0.7700.770
10-25%..0.770..0.770
26-50%........
51-75%....1.1571.157
76-100%........
total..0.7702.9353.631
SHless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
SOless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
SZless than 1%........
1-4%..0.41000.41000.770
5-9%........
10-25%....1.1571.157
26-50%..0.4100..0.4100
51-75%........
76-100%........
total..0.7701.4492.240
TGless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
TIless than 1%........
1-4%0.41000.41001.1581.844
5-9%0.41000.41002.1412.935
10-25%..1.1581.1582.241
26-50%..0.7711.8442.537
51-75%........
76-100%....0.41000.4100
total0.7712.5386.4239.719
URless than 1%..0.31000.31000.770
1-4%..0.770..0.770
5-9%..0.3100..0.3100
10-25%0.31001.057..1.349
26-50%....0.31000.3100
51-75%........
76-100%........
total0.31002.3360.7703.330
VDless than 1%0.4100..0.41000.871
1-4%..0.4100..0.4100
5-9%..0.8710.41001.158
10-25%..0.871..0.871
26-50%..0.871..0.871
51-75%..0.4100..0.4100
76-100%........
total0.41003.0350.8714.230
VSless than 1%0.41000.3100..0.771
1-4%0.31001.4501.7443.431
5-9%0.31002.7354.5277.521
10-25%..4.1285.8249.918
26-50%0.31001.4500.7712.437
51-75%..0.7710.31001.058
76-100%........
total1.45010.61713.01525.011
ZGless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
ZHless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Switzerlandless than 1%0.7712.1413.8306.723
1-4%1.8458.4209.51919.613
5-9%0.7719.22010.81820.713
10-25%1.84512.61716.41430.710
26-50%1.0585.0278.42014.416
51-75%..1.1582.5383.632
76-100%....0.41000.4100
total6.02438.3951.7896.16

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169674/156057

NFI2

forest area: stand stability · regeneration cover · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
stand stability
n/acriticalless stablestabletotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a..........
< 1%..........
1-9%....0.4100..0.4100
10-25%....0.870..0.870
26-50%..........
51-75%..........
76-100%..........
total....1.257..1.257
AIn/a..........
< 1%....0.669..0.669
1-9%....1.345..1.345
10-25%....1.0540.31001.345
26-50%..........
51-75%..........
76-100%..........
total....2.9240.31003.221
ARn/a..........
< 1%..........
1-9%....1.0550.31001.347
10-25%....1.0550.6691.641
26-50%..........
51-75%..........
76-100%......0.31000.3100
total....1.9361.3473.225
BEn/a0.3100......0.3100
< 1%..0.7711.0582.4384.129
1-9%..1.74513.4167.22222.312
10-25%..1.0589.9189.61820.512
26-50%..0.7716.8228.22015.714
51-75%..0.7714.1295.52510.318
76-100%....0.31001.4501.745
total0.31004.82635.6934.3975.05
BL/BSn/a..........
< 1%....0.41000.41000.870
1-9%......0.8700.870
10-25%....0.4100..0.4100
26-50%......0.41000.4100
51-75%....0.41000.41000.870
76-100%......0.8700.870
total....1.2572.9364.129
FRn/a..........
< 1%....1.158..1.158
1-9%....1.1570.7701.944
10-25%..0.41002.2403.7306.423
26-50%..1.1572.6370.7704.527
51-75%..0.41000.7700.7701.944
76-100%....0.7700.41001.157
total..1.9448.6196.42316.812
GEn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
GLn/a..........
< 1%..0.8700.4100..1.257
1-9%..0.41001.5490.8702.736
10-25%....2.3390.41002.736
26-50%....0.41000.41000.870
51-75%....1.5490.41001.943
76-100%..0.41000.4100..0.870
total..1.5496.5201.94310.014
GRn/a1.058......1.058
< 1%..2.4386.3232.83511.517
1-9%..6.32315.41412.91634.69
10-25%..1.4508.72011.91722.012
26-50%..1.0584.2296.32311.517
51-75%..0.31002.1411.4503.830
76-100%..0.31001.4501.4503.133
total1.05811.91738.0936.7987.65
JUn/a..........
< 1%..........
1-9%..0.4100..0.8701.257
10-25%....0.41000.8701.257
26-50%....1.9442.3404.328
51-75%....2.3401.2573.532
76-100%....0.41001.2571.649
total..0.41005.1266.22311.715
LUn/a..........
< 1%..0.3100....0.3100
1-9%..0.9570.670..1.644
10-25%....0.6700.6701.349
26-50%..0.31000.6700.31001.349
51-75%....0.9570.6701.644
76-100%..0.31000.31000.31000.957
total..1.9403.1311.9406.920
NEn/a..........
< 1%..........
1-9%......1.0571.057
10-25%......1.6441.644
26-50%....0.670..0.670
51-75%....0.6700.31001.057
76-100%......0.31000.3100
total....1.3493.2304.525
NWn/a..........
< 1%..........
1-9%..0.41000.4100..0.869
10-25%....0.4100..0.4100
26-50%....0.8690.41001.255
51-75%..0.4100....0.4100
76-100%..........
total..0.8691.5460.41002.732
OWn/a..........
< 1%....0.770..0.770
1-9%....1.9430.41002.239
10-25%....1.1570.7701.943
26-50%....0.770..0.770
51-75%....0.7700.7701.549
76-100%....1.9430.7702.636
total....7.1192.6369.714
SGn/a0.4100......0.4100
< 1%..0.41001.8440.7712.935
1-9%..1.1572.2402.5375.824
10-25%....2.9352.9355.824
26-50%..0.41006.5221.8458.719
51-75%....2.9351.4504.328
76-100%..0.41001.1571.1572.537
total0.41002.24017.41210.51730.48
SHn/a..........
< 1%..........
1-9%....0.4100..0.4100
10-25%..........
26-50%..........
51-75%..........
76-100%....0.4100..0.4100
total....0.770..0.770
SOn/a..........
< 1%......0.41000.4100
1-9%..........
10-25%....0.8700.41001.157
26-50%....0.4100..0.4100
51-75%..........
76-100%....0.4100..0.4100
total....1.5490.8702.340
SZn/a0.4100......0.4100
< 1%..0.41000.770..1.157
1-9%..0.41001.4491.8443.630
10-25%....0.7701.1571.844
26-50%..0.41001.4491.8443.630
51-75%..0.41001.4491.4493.332
76-100%..0.41000.4100..0.770
total0.41001.8446.2226.22214.512
TGn/a..........
< 1%..........
1-9%..........
10-25%....0.31000.9571.249
26-50%..0.3100....0.3100
51-75%....0.31000.31000.670
76-100%....0.31000.6700.957
total..0.31000.9571.8393.030
TIn/a1.158......1.158
< 1%....0.41002.1412.537
1-9%..1.45012.51614.31528.310
10-25%..0.77112.91610.41824.011
26-50%..1.8457.5217.92117.214
51-75%..0.7712.1412.5385.325
76-100%..1.4500.7711.4503.631
total1.1586.12436.2938.6882.04
URn/a..........
< 1%....0.3100..0.3100
1-9%..2.6341.349..4.027
10-25%....2.3360.31002.634
26-50%..0.31000.770..1.057
51-75%....0.7700.31001.057
76-100%..0.4100....0.4100
total..3.3305.3220.7709.315
VDn/a0.4100......0.4100
< 1%..0.41000.871..1.158
1-9%..1.1583.4331.9456.424
10-25%..0.41002.3401.5504.230
26-50%....0.7711.1581.945
51-75%..0.41000.8710.8711.944
76-100%..0.41001.5502.7374.628
total0.41002.7379.5198.02120.512
VSn/a1.058......1.058
< 1%..0.7712.7351.4504.826
1-9%..1.7449.6188.91920.212
10-25%..2.7359.3198.61920.612
26-50%..1.4507.9206.22315.414
51-75%....3.8304.8268.619
76-100%..0.7711.450..2.141
total1.0587.22134.6929.8972.75
ZGn/a..........
< 1%..0.4100....0.4100
1-9%..........
10-25%....0.41000.41000.968
26-50%......0.41000.4100
51-75%......0.41000.4100
76-100%....0.41001.3531.744
total..0.41000.9682.6323.921
ZHn/a..........
< 1%..........
1-9%..........
10-25%....0.4100..0.4100
26-50%....0.4100..0.4100
51-75%....0.41000.41000.770
76-100%..........
total....1.1570.41001.449
Switzerlandn/a4.628......4.628
< 1%..6.42417.31410.21834.010
1-9%..18.51467.8754.38140.65
10-25%..6.62361.1756.88124.55
26-50%..7.72144.2938.3990.36
51-75%..3.23325.91223.61252.78
76-100%..4.62812.01713.91630.511
total4.62847.28228.23197.14477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169675/156058

NFI2

forest area: stand stability · regeneration cover · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....0.41002.8351.4504.628
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total....0.41002.8351.4504.628
criticaln/a............
< 1%....1.4504.827..6.323
1-9%0.7710.41002.53812.4162.53818.514
10-25%..0.41000.7714.5281.1586.623
26-50%..0.41002.5383.1331.8457.821
51-75%....2.241..1.1583.233
76-100%....1.1582.1411.4504.628
total0.7711.15810.51827.0117.82147.18
less stablen/a............
< 1%0.7710.41004.32910.4181.45017.214
1-9%2.935..15.11533.91015.91467.97
10-25%5.1262.53813.31626.61113.51661.07
26-50%3.7311.45011.91718.7138.52044.19
51-75%4.0301.4508.3209.7192.53825.912
76-100%1.5500.7714.3294.5280.77111.717
total17.9146.32357.37103.7542.58227.73
stablen/a............
< 1%1.158..2.2414.5282.53810.218
1-9%3.6311.4507.92122.81218.41354.28
10-25%5.1263.23314.11621.11213.81557.28
26-50%4.4291.8457.92114.2159.91838.29
51-75%2.2412.5386.5239.0193.53123.612
76-100%2.6381.8454.0303.8301.45013.516
total19.01310.51842.5875.4649.57196.94
totaln/a....0.41002.8351.4504.628
< 1%1.8450.41007.92119.7133.93033.710
1-9%7.3221.84525.61169.1636.89140.65
10-25%10.2186.02428.11152.2828.310124.95
26-50%8.0213.53122.31236.0920.21390.16
51-75%6.2243.93016.91418.7137.02252.78
76-100%4.0302.5389.41910.4183.53129.811
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169676/156059

NFI3

forest area: stand stability · degree of cover of assured regeneration · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %±
criticalless than 1%......1.10.8..0.70.5
1-4%....2.82.71.60.92.62.51.80.8
5-9%......0.50.52.62.50.70.5
10-25%....2.82.72.11.1..1.80.8
26-50%......1.60.9..1.10.6
51-75%............
76-100%............
total....5.63.87.01.95.13.56.21.5
less stableless than 1%......3.21.3..2.20.9
1-4%7.77.4..11.15.28.62.17.74.38.81.7
5-9%....16.76.29.72.25.13.59.51.8
10-25%7.77.4..8.34.615.02.610.34.913.12.0
26-50%....5.63.85.41.75.13.55.11.3
51-75%......1.60.9..1.10.6
76-100%............
total15.410.0..41.78.243.63.628.27.239.73.0
stableless than 1%23.111.7..5.63.82.71.22.62.54.11.2
1-4%23.011.7..5.63.89.72.210.34.99.91.8
5-9%....13.95.89.72.220.56.511.31.9
10-25%23.111.7..13.95.818.32.812.85.317.12.3
26-50%15.410.0..8.34.67.01.915.45.88.81.7
51-75%....5.63.82.11.12.62.52.61.0
76-100%........2.62.50.40.4
total84.610.0..52.88.349.43.766.67.654.13.0
totalless than 1%23.111.7..5.63.87.01.92.62.57.01.5
1-4%30.712.8..19.46.619.92.920.66.520.52.4
5-9%....30.67.719.92.928.17.221.62.5
10-25%30.812.8..25.07.235.53.523.16.832.02.8
26-50%15.410.0..13.95.814.02.520.56.515.02.2
51-75%....5.63.83.81.42.62.53.61.1
76-100%........2.62.50.40.4
total100.0...100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169677/156060

NFI2

forest area: stand stability · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
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± %
n/an/a..0.7710.7711.0580.7711.4504.628
< 1%..............
1-9%..............
10-25%..............
26-50%..............
51-75%..............
76-100%..............
total..0.7710.7711.0580.7711.4504.628
criticaln/a..............
< 1%..1.4501.7440.7712.538..6.323
1-9%1.1583.6314.5271.7445.3252.53818.614
10-25%0.41001.450..2.7351.1581.1586.723
26-50%0.41002.2411.0581.4501.1581.8457.821
51-75%..1.8450.3100....1.1583.233
76-100%..0.7711.4500.7710.41001.4504.628
total1.84511.2189.0197.22110.2187.82147.28
less stablen/a..............
< 1%1.1582.9353.8302.7355.3251.45017.214
1-9%2.93519.1138.6199.61811.91615.91468.17
10-25%7.52212.31710.3189.3198.12013.51660.97
26-50%5.02710.8188.8207.9203.2338.52044.19
51-75%5.4265.8256.6223.8301.8452.53825.712
76-100%2.1414.0302.1411.4501.4500.77111.717
total24.01254.8740.2834.6931.6942.58227.73
stablen/a..............
< 1%1.1582.2410.7711.4502.5382.53810.218
1-9%5.0277.9215.2258.9198.81918.41354.28
10-25%8.22112.3175.9248.6198.42013.81557.28
26-50%6.1247.6224.2296.2234.2289.91838.19
51-75%4.7286.9233.4314.8260.41003.53123.612
76-100%4.3294.7271.744..1.4501.45013.516
total29.31141.5821.11229.8925.71149.57196.94
totaln/a..0.7710.7711.0580.7711.4504.628
< 1%2.1416.5236.2234.82610.2183.93033.710
1-9%8.92030.71018.31320.21226.01136.89140.95
10-25%16.11526.01116.21420.61217.61328.310124.85
26-50%11.41720.61314.01515.4148.42020.21390.16
51-75%10.01914.41510.3188.6192.1417.02252.58
76-100%6.4239.4195.2252.1413.2333.53129.811
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169678/156061

NFI3

forest area: stand stability · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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%......0.771..0.771
1-4%....0.41001.0580.41001.845
5-9%......0.31000.41000.771
10-25%....0.41001.450..1.745
26-50%......1.058..1.058
51-75%............
76-100%............
total....0.7714.5280.7715.924
less stableless than 1%......2.141..2.141
1-4%0.4100..1.4505.5251.1588.420
5-9%....2.2416.2230.7719.120
10-25%0.4100..1.1589.7191.45012.617
26-50%....0.7713.5310.7714.927
51-75%......1.058..1.058
76-100%............
total0.771..5.42628.0113.93038.19
stableless than 1%1.158..0.7711.7450.41003.930
1-4%1.158..0.7716.2231.4509.519
5-9%....1.8456.2232.83510.918
10-25%1.158..1.84511.7171.84516.414
26-50%0.771..1.1584.5282.1418.420
51-75%....0.7711.4500.41002.538
76-100%........0.41000.4100
total4.030..6.82331.8109.21951.98
totalless than 1%1.158..0.7714.5280.41006.723
1-4%1.550..2.53812.8162.83519.613
5-9%....4.03012.8163.93020.713
10-25%1.550..3.23322.8123.23330.710
26-50%0.771..1.8459.0192.83514.315
51-75%....0.7712.4380.41003.532
76-100%........0.41000.4100
total4.727..13.01664.3713.81595.96

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169679/156062

NFI2

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: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
stand stability
n/acriticalless stablestabletotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..........
< 1%....0.41000.7711.158
1-9%..0.7712.1413.2336.124
10-25%....3.9305.0268.919
26-50%....3.6313.9307.521
51-75%....3.6311.8455.425
76-100%....1.1581.8452.935
total..0.77114.61516.41431.810
Eastern Juran/a..........
< 1%....0.41000.41000.870
1-9%....0.8700.41001.257
10-25%....1.257..1.257
26-50%......0.41000.4100
51-75%....0.41000.41000.870
76-100%....0.41000.8701.257
total....3.2342.4405.525
Western Plateaun/a..........
< 1%....0.4100..0.4100
1-9%......0.41000.4100
10-25%....0.8701.2572.144
26-50%....0.41000.41000.871
51-75%....0.41000.8701.257
76-100%..........
total....2.0442.9374.928
Central Plateaun/a..........
< 1%..........
1-9%..0.3100..0.9571.250
10-25%..0.31000.6710.9571.940
26-50%....0.6711.2501.940
51-75%....0.6710.6711.250
76-100%....0.31000.31000.671
total..0.6712.2374.0276.820
Eastern Plateaun/a..........
< 1%..........
1-9%..........
10-25%....1.1581.1582.141
26-50%..0.41000.4100..0.771
51-75%....0.41001.1581.450
76-100%....0.41001.4501.844
total..0.41002.1413.6316.124
Western Pre-Alpsn/a0.4100......0.4100
< 1%....1.1580.41001.550
1-9%..0.7703.3332.6376.622
10-25%..0.41001.9444.8267.021
26-50%..1.1573.0341.5495.624
51-75%..0.7700.7700.41001.944
76-100%....1.5490.7702.240
total0.41003.03411.51610.41725.29
Central Pre-Alpsn/a..........
< 1%..0.7710.7711.1582.537
1-9%..1.1586.8222.24010.018
10-25%..0.41006.1245.02611.517
26-50%..0.7715.0263.9309.718
51-75%..1.1583.6313.6318.220
76-100%..0.41002.2401.8444.328
total..4.32824.41117.61346.37
Eastern Pre-Alpsn/a..........
< 1%..0.7712.5370.7713.929
1-9%..0.7715.0263.2338.919
10-25%....5.4254.3289.618
26-50%..0.7713.9292.5377.121
51-75%..0.41003.9292.5376.822
76-100%..0.7710.7711.4502.935
total..3.23321.41114.61439.37
Northwestern Alpsn/a0.4100......0.4100
< 1%..0.7711.1570.7712.537
1-9%..1.8448.9193.23313.914
10-25%..0.7714.3282.5377.521
26-50%..0.41002.9352.2405.425
51-75%....1.4502.9354.328
76-100%..0.41000.41002.1402.935
total0.41003.92918.91213.61536.87
Central Alpsn/a0.3100......0.3100
< 1%....0.3100..0.3100
1-9%..3.1321.7440.31005.224
10-25%....2.4370.31002.734
26-50%..0.31000.7700.7701.744
51-75%....1.0570.7701.744
76-100%..0.41000.3100..0.771
total0.31003.8296.5212.14012.713
Northeastern Alpsn/a0.4100......0.4100
< 1%..1.1571.158..2.240
1-9%..0.7702.1401.8444.726
10-25%....2.9341.4494.327
26-50%....4.3271.1585.424
51-75%....1.8440.41002.140
76-100%..0.41001.1570.41001.844
total0.41002.14013.2145.02520.810
Southwestern Alpsn/a1.058......1.058
< 1%..0.7712.7351.4504.826
1-9%..1.7449.6188.91920.212
10-25%..2.7359.3198.61920.612
26-50%..1.4507.9206.22315.414
51-75%....3.8304.8268.619
76-100%..0.7711.450..2.141
total1.0587.22134.6929.8972.75
Southeastern Alpsn/a0.771......0.771
< 1%..2.5385.3252.53810.218
1-9%..5.32511.9168.81926.011
10-25%..1.1588.1208.42017.613
26-50%..1.1583.2334.2288.420
51-75%....1.8450.41002.141
76-100%..0.41001.4501.4503.233
total0.77110.21831.6925.71168.25
Southern Alpsn/a1.450......1.450
< 1%....1.4502.5383.930
1-9%..2.53815.91418.41336.89
10-25%..1.15813.51613.81528.310
26-50%..1.8458.5209.91820.213
51-75%..1.1582.5383.5317.022
76-100%..1.4500.7711.4503.531
total1.4507.82142.5849.57101.34
Switzerlandn/a4.628......4.628
< 1%..6.42317.41410.31834.110
1-9%..18.61468.3754.38141.35
10-25%..6.62361.3757.58125.45
26-50%..7.82144.2938.1990.16
51-75%..3.23325.91223.71252.88
76-100%..4.62811.71713.61630.011
total4.62847.38228.83197.54478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169680/156063

NFI2

forest area: degree of mixture · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
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....1.8450.7710.7711.4504.628
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total....1.8450.7710.7711.4504.628
pure conifer forestn/a..............
crowded1.1582.53820.2137.5213.5312.14137.010
normal1.8451.15818.1149.61811.7176.12448.28
loose0.7711.15818.41411.3179.5196.12447.18
open1.158..12.81611.61612.4167.12245.09
scattered....7.5223.4316.4233.53120.713
grouped crowded....7.8212.8350.41002.14113.116
grouped normal0.4100..4.6281.4501.8442.93511.018
heterogeneous....2.8353.4311.4502.1419.819
total5.0264.62892.2551.0647.0732.010231.93
mixed conifer forestn/a..............
crowded3.2333.93010.3181.7440.7711.15820.913
normal4.3296.02415.6151.7440.7711.84530.111
loose4.0302.1418.9201.0580.41001.84518.114
open1.1580.41006.4231.0580.41001.84511.018
scattered0.41000.41001.1580.3100..0.41002.538
grouped crowded....0.4100....0.41000.771
grouped normal....1.845....0.41002.141
heterogeneous0.4100..1.450....0.41002.141
total13.31612.71645.885.8242.1417.92187.66
mixed broadleaf forestn/a..............
crowded2.5381.84510.6180.7711.1582.83519.513
normal5.4251.1585.3260.771..1.84514.216
loose1.1581.4503.6320.31000.41000.7717.522
open0.771..5.3260.31000.41000.41007.122
scattered0.771....0.3100..0.7711.845
grouped crowded....1.158......1.158
grouped normal..........0.41000.4100
heterogeneous..........0.41000.4100
total10.4184.22925.9112.4371.8447.12251.98
pure broadleaf forestn/a..............
crowded4.3292.14112.1172.4370.77126.71148.38
normal3.6312.8356.0240.7710.410011.31724.812
loose0.7710.7711.8451.4501.1586.12411.717
open0.41000.7711.8450.3100..6.1249.219
scattered....0.7710.771..1.8453.233
grouped crowded0.4100..0.41000.31000.41001.4502.835
grouped normal..........1.1581.158
heterogeneous..........0.41000.4100
total9.4196.42322.7125.8242.53854.87101.55
totaln/a....1.8450.7710.7711.4504.628
crowded11.21710.31853.2812.3166.02432.89125.75
normal15.11511.01845.0812.71612.71621.012117.55
loose6.5235.32632.61014.01511.31714.61584.46
open3.2331.15826.21113.31513.11615.31572.37
scattered1.1580.41009.2194.8266.4236.32328.211
grouped crowded0.4100..9.6193.1330.7713.93017.714
grouped normal0.4100..6.4231.4501.8444.72714.516
heterogeneous0.4100..4.3293.4311.4503.23312.717
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169681/156064

NFI3

forest area: stand stability · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %±
criticalless than 1%..1.71.7..1.51.4....0.80.5
1-4%..3.42.4..1.41.42.02.02.62.51.80.8
5-9%......1.41.4..2.62.50.70.5
10-25%..3.42.44.93.4..2.02.0..1.80.8
26-50%......1.41.44.02.8..1.10.6
51-75%..............
76-100%..............
total..8.63.74.93.45.62.78.03.85.13.56.21.5
less stableless than 1%....4.93.41.41.46.03.4..2.20.9
1-4%7.77.415.54.89.74.65.52.76.03.47.74.38.81.7
5-9%..17.25.07.44.110.93.76.03.45.13.59.51.8
10-25%7.77.415.54.812.25.116.44.310.04.210.34.913.12.0
26-50%..6.93.32.42.45.52.76.03.45.13.55.11.3
51-75%..1.71.7..2.71.9....1.10.6
76-100%..............
total15.410.056.96.536.77.542.45.834.06.728.27.239.83.0
stableless than 1%23.111.7..9.74.6..6.03.42.62.54.01.2
1-4%23.211.76.93.312.25.16.83.012.04.610.34.99.91.8
5-9%..8.63.79.74.617.84.52.02.020.56.511.31.9
10-25%23.111.78.63.79.74.623.34.926.06.212.85.317.12.3
26-50%15.410.010.34.07.34.12.71.910.04.215.45.88.81.7
51-75%....9.74.61.41.42.02.02.62.52.50.9
76-100%..........2.62.50.40.4
total84.610.034.56.258.57.752.05.858.07.066.67.653.93.0
totalless than 1%23.111.71.71.714.65.52.82.012.04.62.62.56.91.5
1-4%30.812.825.95.821.96.513.74.020.05.720.66.520.52.4
5-9%..25.95.817.25.930.15.48.03.828.17.221.52.5
10-25%30.712.827.65.926.86.939.75.738.06.923.16.832.02.8
26-50%15.410.017.25.09.74.69.63.420.05.720.56.515.02.2
51-75%..1.71.79.74.64.12.32.02.02.62.53.61.1
76-100%..........2.62.50.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169682/156065

NFI2

forest area: degree of mixture · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
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......0.4100..0.4100
normal........0.41000.4100
loose......0.4100..0.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......0.8700.41001.257
AIn/a............
crowded..0.6691.054....1.639
normal..0.3100......0.3100
loose..0.3100......0.3100
open..0.669......0.669
scattered............
grouped crowded....0.3100....0.3100
grouped normal............
heterogeneous............
total..1.9341.345....3.221
ARn/a............
crowded..1.3470.31000.3100..1.936
normal..0.31001.055....1.347
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..1.6411.3470.3100..3.225
BEn/a0.3100........0.3100
crowded..8.6206.2233.4312.43820.612
normal..7.9204.8263.1331.45017.114
loose..9.6184.4271.7450.310016.114
open..5.1252.4381.7450.7719.918
scattered..2.1410.771....2.835
grouped crowded..3.431....0.31003.830
grouped normal..2.1410.771....2.735
heterogeneous..1.4500.3100....1.745
total0.310040.1819.6139.9185.12575.05
BL/BSn/a............
crowded....0.41000.41001.2572.043
normal......0.41000.8701.257
loose..0.4100......0.4100
open......0.4100..0.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.41000.41001.2572.0434.129
FRn/a............
crowded..3.7301.5490.7700.41006.423
normal..3.0341.5490.41000.7705.624
loose..1.157..0.4100..1.549
open..0.770..0.4100..1.157
scattered..0.4100....0.41000.771
grouped crowded..0.4100......0.4100
grouped normal..0.4100......0.4100
heterogeneous..0.770......0.770
total..10.5173.0341.9441.54916.812
GEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GLn/a............
crowded..0.41001.2570.41001.9433.929
normal..0.8700.4100..1.5492.736
loose..0.4100..0.41000.41001.257
open..0.4100......0.4100
scattered..0.870......0.870
grouped crowded..0.4100......0.4100
grouped normal..0.41000.4100....0.870
heterogeneous............
total..3.5311.9430.8703.92910.014
GRn/a1.058........1.058
crowded..5.6251.4501.4503.83012.216
normal..13.3162.1410.31002.53818.213
loose..13.6152.4380.7711.74518.513
open..16.1141.4500.7711.74519.913
scattered..9.1190.31000.31000.310010.118
grouped crowded..2.438....0.31002.835
grouped normal..3.531......3.531
heterogeneous..1.450......1.450
total1.05864.967.7213.53110.51887.65
JUn/a............
crowded....1.6490.8701.6493.930
normal..0.41001.6491.2571.2574.328
loose....0.8700.8700.8702.340
open..0.4100......0.4100
scattered......0.4100..0.4100
grouped crowded............
grouped normal............
heterogeneous....0.4100....0.4100
total..0.8704.3283.1343.53211.715
LUn/a............
crowded..0.6700.670..0.6701.940
normal..0.6701.644..0.6702.832
loose..0.6700.6700.3100..1.644
open..0.3100..0.3100..0.670
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..2.2372.8320.6701.3496.920
NEn/a............
crowded........0.6700.670
normal..0.31001.349..0.31001.940
loose....0.670....0.670
open..0.31000.670....1.057
scattered......0.3100..0.3100
grouped crowded............
grouped normal............
heterogeneous............
total..0.6702.6340.31001.0574.525
NWn/a............
crowded....0.4100..0.41000.869
normal....0.869..0.41001.255
loose..0.41000.4100....0.869
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.41001.546..0.8692.732
OWn/a............
crowded..1.157..2.2390.7704.127
normal......0.4100..0.4100
loose....0.770....0.770
open..0.41000.7700.41000.41001.943
scattered....0.4100....0.4100
grouped crowded..0.4100..0.4100..0.770
grouped normal..0.7700.770....1.549
heterogeneous............
total..2.6362.6363.4311.1579.714
SGn/a0.4100........0.4100
crowded..1.8441.4503.3332.9359.418
normal..1.4505.1261.8440.41008.719
loose..1.8441.4500.7700.7704.727
open..0.7701.4500.7700.7703.631
scattered..0.7710.4100....1.158
grouped crowded..0.770..0.7700.41001.844
grouped normal............
heterogeneous..0.41000.4100....0.770
total0.41007.62110.1177.2215.12630.48
SHn/a............
crowded............
normal....0.41000.4100..0.770
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.4100..0.770
SOn/a............
crowded......0.41000.41000.870
normal......0.41000.41000.870
loose..0.41000.4100....0.870
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.41000.41000.8700.8702.340
SZn/a0.4100........0.4100
crowded..1.8440.41000.7700.7703.630
normal..1.4492.240..1.1574.726
loose..1.8440.41000.4100..2.536
open..1.449..0.4100..1.844
scattered..0.41000.4100....0.771
grouped crowded............
grouped normal............
heterogeneous....0.770....0.770
total0.41006.9204.0291.4491.84414.512
TGn/a............
crowded..0.31000.3100....0.670
normal....0.31000.31000.6701.249
loose....0.31000.3100..0.670
open....0.3100..0.31000.670
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.31001.2490.6700.9573.030
TIn/a1.158........1.158
crowded..1.1580.7712.93524.41129.010
normal..3.9301.4501.45010.01816.814
loose..2.5371.4500.41005.4259.719
open..3.9301.450..5.02610.418
scattered..2.141..0.41001.4503.930
grouped crowded..2.1410.4100..1.4503.930
grouped normal..2.1410.41000.41001.1584.030
heterogeneous..2.1410.41000.41000.41003.233
total1.15820.0126.1245.72449.0782.04
URn/a............
crowded..1.743..0.31001.0583.032
normal..2.0391.0570.770..3.628
loose..1.0570.3100....1.349
open..0.7700.3100....1.057
scattered..0.3100......0.3100
grouped crowded............
grouped normal............
heterogeneous............
total..5.6211.7431.0571.0589.315
VDn/a0.4100........0.4100
crowded..0.41001.1580.8711.9444.230
normal..1.5502.7372.3402.3418.720
loose..1.5501.9440.7710.41004.528
open..0.41000.41000.4100..1.158
scattered..1.158....0.41001.550
grouped crowded............
grouped normal............
heterogeneous............
total0.41004.9276.1244.2304.92720.512
VSn/a1.058........1.058
crowded..7.5212.1411.0583.43114.115
normal..9.9181.7440.7710.77113.015
loose..11.3171.4500.31001.45014.415
open..13.0151.7441.4500.310016.514
scattered..3.8300.31000.31000.7715.125
grouped crowded..3.133....0.31003.431
grouped normal..1.744......1.744
heterogeneous..3.431......3.431
total1.05853.867.2213.8306.92272.75
ZGn/a............
crowded....0.4100....0.4100
normal..0.41000.41000.4100..1.353
loose....0.4100..0.9681.353
open......0.4100..0.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous..0.4100......0.4100
total..0.9681.3530.9680.9683.921
ZHn/a............
crowded......0.41000.41000.770
normal..0.4100..0.4100..0.770
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100..0.7700.41001.449
Switzerlandn/a4.628........4.628
crowded..36.51020.91319.81348.88126.05
normal..47.9830.01114.41625.212117.65
loose..46.8818.0147.52212.01784.26
open..44.5910.8187.1229.21971.67
scattered..20.7132.5381.8453.23328.111
grouped crowded..13.0160.7711.1582.83517.614
grouped normal..10.9182.2410.41001.15814.515
heterogeneous..9.9192.2410.41000.410012.817
total4.628230.2387.3652.48102.65477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169683/156066

NFI3

forest area: stand stability · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalless than 1%..0.4100..0.4100....0.771
1-4%..0.771..0.31000.41000.41001.845
5-9%......0.3100..0.41000.771
10-25%..0.7710.771..0.4100..1.845
26-50%......0.31000.771..1.058
51-75%..............
76-100%..............
total..1.8450.7711.4501.4500.7716.024
less stableless than 1%....0.7710.31001.158..2.141
1-4%0.41003.2331.4501.4501.1581.1588.520
5-9%..3.6311.1582.7351.1580.7719.219
10-25%0.41003.2331.7444.1281.8451.45012.617
26-50%..1.4500.31001.4501.1580.7714.927
51-75%..0.4100..0.771....1.058
76-100%..............
total0.77111.9175.22510.6176.0243.93038.39
stableless than 1%1.158..1.450..1.1580.41003.930
1-4%1.1581.4501.7441.7442.1411.4509.519
5-9%..1.8451.4504.5270.41002.83510.818
10-25%1.1581.8451.4505.8244.6271.84516.414
26-50%0.7712.2411.0580.7711.8452.1418.520
51-75%....1.4500.31000.41000.41002.438
76-100%..........0.41000.4100
total3.9307.2228.32013.01510.2189.21951.98
totalless than 1%1.1580.41002.1410.7712.1410.41006.723
1-4%1.4505.4263.1333.4313.5312.83519.713
5-9%..5.4262.4387.5211.4503.93020.713
10-25%1.4505.8253.8309.9186.7223.23330.810
26-50%0.7713.6311.4502.4373.5312.83514.416
51-75%..0.41001.4501.0580.41000.41003.532
76-100%..........0.41000.4100
total4.72820.91314.21525.01117.61313.81596.26

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169684/156067

NFI2

forest area: degree of mixture · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....0.41002.8351.4504.628
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41002.8351.4504.628
pure conifer forestn/a............
crowded1.1581.15812.31720.7131.84536.910
normal1.5500.77111.21828.7116.02448.18
loose0.771..13.01627.6115.72547.08
open1.158..7.22229.4107.12244.89
scattered....1.15815.9143.53120.513
grouped crowded....2.2418.7202.14112.916
grouped normal0.4100..2.2415.5252.83510.918
heterogeneous....1.8455.9242.1419.819
total4.7271.84550.88142.4431.110230.93
mixed conifer forestn/a............
crowded3.3332.8356.8236.9221.15820.913
normal4.4292.83513.3167.9211.84530.211
loose4.0301.4505.4265.5251.84518.114
open1.1580.41004.0303.8301.84511.018
scattered0.4100..1.1580.7710.41002.538
grouped crowded....0.4100..0.41000.771
grouped normal....1.1580.7710.41002.141
heterogeneous0.4100..1.1580.31000.41002.141
total13.5167.42233.21025.9117.82187.86
mixed broadleaf forestn/a............
crowded2.6381.1587.2225.9242.83519.513
normal5.1261.4501.8454.5281.45014.216
loose1.5501.1581.8452.8350.41007.522
open0.41000.41003.6312.4380.41007.122
scattered0.771....0.31000.7711.845
grouped crowded....0.41000.771..1.158
grouped normal........0.41000.4100
heterogeneous........0.41000.4100
total10.2183.93014.81516.6146.42351.98
pure broadleaf forestn/a............
crowded4.4291.4506.1249.71926.61148.28
normal3.3332.8352.2415.22611.31724.812
loose0.7710.41001.4503.1336.02411.717
open0.41000.41001.1581.4506.0249.219
scattered....0.41001.0581.8453.233
grouped crowded0.4100..0.41000.7711.4502.835
grouped normal........1.1581.158
heterogeneous........0.41000.4100
total9.1204.92711.51721.11254.57101.25
totaln/a....0.41002.8351.4504.628
crowded11.3176.32332.41043.2832.39125.65
normal14.2167.72128.51146.3820.512117.35
loose6.9232.83521.61239.1913.81584.36
open2.9351.15815.91537.0915.21572.07
scattered1.158..2.53818.0146.32327.911
grouped crowded0.4100..3.23310.1183.93017.614
grouped normal0.4100..3.2336.2234.62714.516
heterogeneous0.4100..2.9356.2233.23312.717
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169685/156068

NFI2

forest area: degree of mixture · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
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..0.7710.7711.0580.7711.4504.628
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total..0.7710.7711.0580.7711.4504.628
pure conifer forestn/a..............
crowded2.14113.0167.6217.5214.9261.84536.910
normal2.14111.9176.9229.91811.2176.02448.28
loose0.77113.7165.22511.31710.5185.72547.18
open1.1586.9233.83013.01513.0167.12244.89
scattered..3.6312.1413.8307.7213.53120.713
grouped crowded..4.3291.0583.1332.5382.14113.116
grouped normal0.41002.9350.31001.7442.8352.83511.018
heterogeneous..2.2410.7713.4311.4502.1419.819
total6.42358.4727.61053.8654.1631.110231.63
mixed conifer forestn/a..............
crowded6.1246.1244.5272.1411.1581.15820.913
normal7.2229.0208.6191.7441.8451.84530.011
loose5.4265.4262.1411.4502.1411.84518.114
open1.4503.2331.7441.7441.1581.84510.918
scattered0.41000.7710.7710.3100..0.41002.538
grouped crowded....0.3100....0.41000.771
grouped normal..1.4500.3100....0.41002.241
heterogeneous0.41000.41001.058....0.41002.141
total20.81326.31119.3137.2216.0247.82187.46
mixed broadleaf forestn/a..............
crowded3.6325.4265.2251.0581.4502.83519.413
normal6.4232.5382.8350.7710.41001.45014.216
loose2.5382.5381.0580.31000.7710.41007.522
open0.7712.9351.4501.4500.41000.41007.122
scattered0.771....0.3100..0.7711.845
grouped crowded..0.41000.872......1.258
grouped normal..........0.41000.4100
heterogeneous..........0.41000.4100
total13.91613.71611.2173.8302.8356.42351.88
pure broadleaf forestn/a..............
crowded5.7254.3296.6223.4311.45026.61148.08
normal6.1242.9352.8350.7711.15811.31724.812
loose1.1580.41001.7441.4501.1586.02411.617
open0.7710.7710.7710.31000.7716.0249.219
scattered..0.771..0.771..1.8453.233
grouped crowded0.4100..0.31000.31000.41001.4502.835
grouped normal..........1.1581.158
heterogeneous..........0.41000.4100
total14.0169.02012.1166.9224.62754.57101.05
totaln/a..0.7710.7711.0580.7711.4504.628
crowded17.51428.81023.81114.1158.81932.39125.35
normal21.81326.31121.01213.01514.41520.512117.15
loose9.71922.01210.01814.41514.41513.81584.36
open3.93013.7167.62116.51415.11415.21572.07
scattered1.1585.0262.8355.1257.7216.32328.111
grouped crowded0.41004.7282.6383.4312.8353.93017.814
grouped normal0.41004.3290.7711.7442.8354.62714.515
heterogeneous0.41002.5381.7443.4311.4503.23312.617
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169686/156069

NFI3

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalless than 1%................3.33.3....1.51.4....0.70.5
1-4%............5.35.1..3.33.3....1.41.42.02.02.62.51.80.8
5-9%......................1.41.4..2.62.50.70.5
10-25%............5.35.1..3.33.36.76.55.65.4..2.02.0..1.80.8
26-50%......................1.41.44.02.8..1.10.6
51-75%..............................
76-100%..............................
total............10.57.1..10.05.56.76.55.65.45.62.78.03.85.13.56.21.5
less stableless than 1%..................6.76.55.65.41.41.46.03.4..2.20.9
1-4%7.77.4..........21.19.4..16.76.820.010.45.65.45.52.76.03.47.74.38.81.7
5-9%..........22.314.021.19.4..13.36.26.76.511.27.510.93.76.03.45.13.59.51.8
10-25%7.77.4........11.210.610.57.1..20.07.320.010.411.17.416.44.310.04.210.34.913.12.0
26-50%..........22.314.0....6.74.66.76.5..5.52.76.03.45.13.55.11.3
51-75%................3.33.3....2.71.9....1.10.6
76-100%..............................
total15.310.0........55.916.652.611.5..60.08.960.012.733.411.242.45.834.06.728.27.239.82.9
stableless than 1%23.011.7............25.015.3..6.76.55.65.4..6.03.42.62.54.01.2
1-4%23.311.8..........5.35.112.511.710.05.56.76.516.78.86.83.012.04.610.34.99.91.8
5-9%..........22.314.05.35.125.015.36.74.6..11.17.417.84.52.02.020.56.511.31.9
10-25%23.011.7........10.610.115.88.412.511.73.33.313.38.85.65.423.34.926.06.212.85.317.02.3
26-50%15.310.0........11.210.610.57.1..10.05.56.76.511.17.42.71.910.04.215.45.88.81.7
51-75%..............25.015.3....11.17.41.41.42.02.02.62.52.61.0
76-100%..........................2.62.50.40.4
total84.710.0........44.116.636.811.1100.0.30.08.433.312.261.111.552.05.858.07.066.67.654.03.0
totalless than 1%23.011.7............25.015.33.33.313.38.811.17.42.82.012.04.62.62.57.01.5
1-4%31.012.9..........31.610.712.511.730.08.426.711.522.29.813.74.020.05.720.66.520.52.4
5-9%..........44.716.626.310.125.015.320.07.36.76.522.39.830.15.48.03.828.17.221.52.5
10-25%30.712.8........21.813.731.610.712.511.726.78.140.012.722.29.839.75.738.06.923.16.832.02.8
26-50%15.310.0........33.515.810.57.1..16.76.813.38.811.17.49.63.420.05.720.56.515.02.2
51-75%..............25.015.33.33.3..11.17.44.12.32.02.02.62.53.71.1
76-100%..........................2.62.50.40.4
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #169687/156070

NFI2

forest area: degree of mixture · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
degree of mixture
n/apure conifer forestmixed conifer forestmixed broadleaf forestpure broadleaf foresttotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a............
crowded..1.1582.9351.4503.6318.919
normal..1.4503.9304.3292.53812.117
loose..0.41003.9301.1580.7716.124
open..1.1581.158..0.41002.538
scattered....0.41000.771..1.158
grouped crowded........0.41000.4100
grouped normal..0.4100......0.4100
heterogeneous....0.4100....0.4100
total..4.32912.5167.5217.52131.810
Eastern Juran/a............
crowded....0.41001.2570.8702.440
normal....0.41000.8700.8702.044
loose..0.4100..0.4100..0.870
open......0.4100..0.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.41000.8702.8371.6495.525
Western Plateaun/a............
crowded..0.41000.8700.870..2.144
normal....0.8700.41001.2582.440
loose....0.4100....0.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.41002.1441.2571.2584.928
Central Plateaun/a............
crowded..0.31001.5440.31001.2503.430
normal..0.6710.6710.31000.6712.237
loose....0.31000.31000.31000.957
open......0.3100..0.3100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.9572.5351.2502.2376.820
Eastern Plateaun/a............
crowded..0.41000.4100....0.771
normal....1.4500.7711.1583.233
loose....0.7710.771..1.450
open....0.4100..0.41000.771
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.41002.9351.4501.4506.124
Western Pre-Alpsn/a0.4100........0.4100
crowded..4.1291.9440.7700.7707.421
normal..4.1292.2400.41000.41007.021
loose..2.6370.7700.41000.41004.129
open..1.9440.41000.4100..2.637
scattered..0.771....0.41001.158
grouped crowded..1.158......1.158
grouped normal..0.770......0.770
heterogeneous..0.770......0.770
total0.410015.9135.2251.9441.94425.29
Central Pre-Alpsn/a............
crowded..3.2331.8443.2332.24010.418
normal..3.9305.0260.41001.15810.418
loose..7.5213.2330.771..11.517
open..3.2332.5372.2400.7718.620
scattered..0.41000.4100....0.771
grouped crowded..0.771..0.4100..1.158
grouped normal..1.4501.158....2.537
heterogeneous..0.7710.4100....1.158
total..21.21214.3156.8223.93046.37
Eastern Pre-Alpsn/a............
crowded..5.0263.2333.2333.23314.614
normal..3.2336.1231.1570.77111.117
loose..2.9351.4500.7711.1576.123
open..2.1401.1571.1570.41004.627
scattered....0.771....0.771
grouped crowded..0.41000.4100..0.41001.157
grouped normal............
heterogeneous..0.41000.771....1.157
total..13.91513.6156.1235.72439.37
Northwestern Alpsn/a0.4100........0.4100
crowded..5.7242.5371.4501.45011.117
normal..3.9291.8441.8441.4508.919
loose..3.6311.4501.450..6.423
open..1.8440.41000.4100..2.537
scattered..2.5370.4100..0.41003.233
grouped crowded..2.537......2.537
grouped normal..0.7710.4100....1.157
heterogeneous..0.771......0.771
total0.410021.4116.8225.0263.23336.87
Central Alpsn/a0.3100........0.3100
crowded..1.744..0.31001.4503.531
normal..2.1401.7440.7700.7705.224
loose..1.4490.770....2.140
open..0.7700.3100....1.057
scattered..0.770......0.770
grouped crowded............
grouped normal............
heterogeneous............
total0.31006.5212.7341.0572.14012.713
Northeastern Alpsn/a0.4100........0.4100
crowded..1.1571.4491.8442.1406.422
normal..1.8441.1571.1571.4495.424
loose..1.157..0.41000.7702.140
open..1.1570.41000.41000.41002.140
scattered..1.450......1.450
grouped crowded..0.770..0.770..1.449
grouped normal..0.41000.4100....0.770
heterogeneous..0.41000.4100....0.770
total0.41007.9203.6304.3274.72620.810
Southwestern Alpsn/a1.058........1.058
crowded..7.5212.1411.0583.43114.115
normal..9.9181.7440.7710.77113.015
loose..11.3171.4500.31001.45014.415
open..13.0151.7441.4500.310016.514
scattered..3.8300.31000.31000.7715.125
grouped crowded..3.133....0.31003.431
grouped normal..1.744......1.744
heterogeneous..3.431......3.431
total1.05853.867.2213.8306.92272.75
Southeastern Alpsn/a0.771........0.771
crowded..4.9261.1581.4501.4508.819
normal..11.2171.8450.41001.15814.415
loose..10.5182.1410.7711.15814.415
open..13.0161.1580.41000.77115.114
scattered..7.721......7.721
grouped crowded..2.538....0.41002.835
grouped normal..2.835......2.835
heterogeneous..1.450......1.450
total0.77154.166.0242.8354.62768.25
Southern Alpsn/a1.450........1.450
crowded..1.8451.1582.83526.61132.39
normal..6.0241.8451.45011.31720.512
loose..5.7251.8450.41006.02413.815
open..7.1221.8450.41006.02415.215
scattered..3.5310.41000.7711.8456.323
grouped crowded..2.1410.4100..1.4503.930
grouped normal..2.8350.41000.41001.1584.627
heterogeneous..2.1410.41000.41000.41003.233
total1.45031.1107.8216.42354.57101.34
Switzerlandn/a4.628........4.628
crowded..37.21021.01319.81348.18126.05
normal..48.3830.31114.31624.912117.85
loose..47.3818.1147.52211.61784.56
open..45.0911.0187.1229.21972.27
scattered..20.7132.5381.8453.23328.111
grouped crowded..13.1160.7711.1582.83517.714
grouped normal..11.0182.2410.41001.15814.616
heterogeneous..9.8192.1410.41000.410012.717
total4.628232.3387.9652.28101.35478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169688/156071

NFI3

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
stand stability
criticalless stablestabletotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%....1.1581.158
1-4%..0.41001.1581.450
5-9%........
10-25%..0.41001.1581.450
26-50%....0.7710.771
51-75%........
76-100%........
total..0.7713.9304.627
Eastern Juraless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Western Plateauless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Central Plateauless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Eastern Plateauless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
Western Pre-Alpsless than 1%........
1-4%........
5-9%..0.7700.7701.549
10-25%..0.41000.41000.771
26-50%..0.7700.41001.157
51-75%........
76-100%........
total..1.9441.5503.333
Central Pre-Alpsless than 1%........
1-4%0.41001.4500.41002.240
5-9%..1.4500.41001.844
10-25%0.41000.7711.1582.240
26-50%....0.7710.771
51-75%........
76-100%........
total0.7713.6312.5376.822
Eastern Pre-Alpsless than 1%....0.7710.771
1-4%....0.41000.4100
5-9%....0.7710.771
10-25%....0.41000.4100
26-50%........
51-75%....0.7710.771
76-100%........
total....2.9352.935
Northwestern Alpsless than 1%0.4100....0.4100
1-4%0.41001.8441.1573.233
5-9%..1.4500.7712.140
10-25%0.41002.1400.41002.935
26-50%..0.7711.1571.844
51-75%..0.4100..0.4100
76-100%........
total1.1576.4233.23310.717
Central Alpsless than 1%..0.31000.31000.770
1-4%..1.0570.31001.449
5-9%..0.3100..0.3100
10-25%0.31001.0570.7702.140
26-50%..0.31000.31000.770
51-75%........
76-100%........
total0.31003.1321.7445.224
Northeastern Alpsless than 1%..0.41000.41000.770
1-4%..0.41001.1571.449
5-9%..0.7710.7701.450
10-25%0.41000.7700.41001.449
26-50%....0.7700.770
51-75%....0.7700.770
76-100%........
total0.41002.2403.9296.422
Southwestern Alpsless than 1%0.41000.3100..0.771
1-4%0.31001.4501.7443.431
5-9%0.31002.7354.5277.521
10-25%..4.1285.8249.918
26-50%0.31001.4500.7712.437
51-75%..0.7710.31001.058
76-100%........
total1.45010.61713.01525.011
Southeastern Alpsless than 1%..1.1581.1582.141
1-4%0.41001.1582.1413.531
5-9%..1.1580.41001.450
10-25%0.41001.8454.6276.722
26-50%0.7711.1581.8453.531
51-75%....0.41000.4100
76-100%........
total1.4506.02410.21817.613
Southern Alpsless than 1%....0.41000.4100
1-4%0.41001.1581.4502.835
5-9%0.41000.7712.8353.930
10-25%..1.4501.8453.233
26-50%..0.7712.1412.835
51-75%....0.41000.4100
76-100%....0.41000.4100
total0.7713.9309.21913.815
Switzerlandless than 1%0.7712.1413.9306.723
1-4%1.8458.5209.51919.813
5-9%0.7719.22010.91820.813
10-25%1.84512.61716.41430.810
26-50%1.0584.9278.52014.515
51-75%..1.0582.5383.532
76-100%....0.41000.4100
total6.02438.3952.1896.46

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169689/156072

NFI2

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpine0-20%......3.33.33.23.25.85.63.72.1
21-40%......23.57.819.47.122.29.820.74.5
41-60%....100.0.36.68.841.98.955.411.745.25.5
61-80%......23.37.729.08.211.17.421.94.6
over 80%......13.36.26.54.45.55.48.53.1
total....100.0.100.0.100.0.100.0.100.0.
lower subalpine0-20%....3.61.66.42.8....3.00.9
21-40%....13.72.912.93.815.44.517.95.714.31.9
41-60%25.321.8..32.04.023.14.832.35.840.07.331.02.5
61-80%24.921.6..34.74.142.35.633.85.928.96.835.42.6
over 80%49.825.0..15.93.115.44.118.54.813.35.116.42.0
total100.0...100.0.100.0.100.0.100.0.100.0.
upper montane0-20%....0.90.6..7.74.31.11.11.40.6
21-40%5.04.916.715.22.71.12.22.27.74.32.21.53.30.9
41-60%..33.319.318.52.621.76.130.87.426.24.620.92.0
61-80%50.011.2..33.83.243.57.333.37.636.35.035.62.3
over 80%45.011.150.020.444.13.332.66.920.56.534.15.038.72.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%....0.80.8......0.40.4
21-40%....0.80.8..7.16.9..0.70.5
41-60%1.91.93.13.19.32.75.04.914.39.48.94.27.11.5
61-80%30.26.328.28.031.44.345.011.150.113.426.76.631.92.8
over 80%67.96.468.78.257.64.650.011.228.512.164.47.160.02.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%....2.02.0......0.40.4
21-40%..............
41-60%..2.42.42.02.016.78.8..4.42.23.81.3
61-80%24.18.029.37.130.06.538.911.525.021.718.74.125.32.8
over 80%75.97.968.37.366.06.744.411.775.021.776.94.470.53.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%....1.70.63.11.32.61.30.70.51.50.3
21-40%0.90.91.31.34.90.99.42.113.12.74.81.35.90.6
41-60%1.91.35.12.518.91.722.43.031.43.820.62.419.01.1
61-80%32.14.526.65.032.92.039.63.534.03.826.62.632.21.3
over 80%65.14.667.15.341.62.125.53.119.03.247.22.941.41.3
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 #169690/156073

NFI2

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 NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
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%......0.31000.41000.41001.158
21-40%......2.4382.1411.4506.024
41-60%....1.1583.8304.6273.63113.016
61-80%......2.4373.2330.7716.323
over 80%......1.4500.7710.41002.438
total....1.15810.31811.0176.42328.711
lower subalpine0-20%....1.8451.744....3.532
21-40%....6.7233.4313.5312.93516.614
41-60%0.4100..15.7156.2237.4216.42336.010
61-80%0.4100..17.01411.3177.8214.62741.19
over 80%0.771..7.8214.1284.2282.14119.013
total1.450..49.0826.71023.01116.014116.25
upper montane0-20%....0.771..1.1580.41002.141
21-40%0.41000.41002.1410.31001.1580.7715.027
41-60%..0.77114.6153.4314.2288.52031.410
61-80%3.631..26.6116.8224.62711.81753.48
over 80%3.2331.15834.8105.1252.83511.11758.18
total7.2222.14178.8615.71413.81532.410150.04
lower montane0-20%....0.4100......0.4100
21-40%....0.4100..0.4100..0.771
41-60%0.41000.41003.9300.31000.7711.4507.122
61-80%5.8253.23313.1163.1332.5384.32931.910
over 80%13.0167.82124.1123.4311.45010.31860.07
total19.11311.31741.896.8225.02616.014100.16
colline/submontane0-20%....0.4100......0.4100
21-40%..............
41-60%..0.41000.41001.058..1.4503.233
61-80%2.5384.2295.3262.4370.41006.12420.913
over 80%7.9219.91911.7172.7351.15824.91158.27
total10.41814.51517.7146.2231.45032.3982.66
total0-20%....3.2332.1411.4500.7717.422
21-40%0.41000.41009.2196.2237.1225.02628.211
41-60%0.7711.45035.61014.71417.01321.31290.76
61-80%12.2177.42262.1726.01018.41327.410153.64
over 80%24.81118.71378.4616.81310.21848.77197.74
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169691/156074

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending....0.90.9..2.42.4..0.70.5
thinning..............
establishment cut....0.90.9......0.40.4
removal cut......1.51.5....0.40.4
plentering15.410.0..........0.70.5
thinning of mountain forest....1.81.3....2.42.41.10.6
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.90.9......0.40.4
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.90.9......0.40.4
agrosilvicultural treatments..............
total15.410.0..5.52.21.51.52.42.42.42.44.01.2
2-5 yearsno treatment..............
tending....0.90.91.51.5....0.70.5
thinning....6.42.3....2.42.43.01.0
establishment cut....3.61.8......1.50.7
removal cut..........2.42.40.40.4
plentering7.77.4..........0.40.4
thinning of mountain forest....0.90.92.92.04.83.32.42.42.20.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.90.9......0.40.4
agrosilvicultural treatments........2.42.4..0.40.4
total7.77.4..12.73.24.42.57.14.07.34.18.81.7
6-10 yearsno treatment..............
tending....1.81.31.51.5....1.10.6
thinning7.77.4..5.52.21.51.5....2.91.0
establishment cut15.410.0..2.71.61.51.59.54.52.42.44.01.2
removal cut......1.51.5....0.40.4
plentering....0.90.9......0.40.4
thinning of mountain forest....5.52.210.33.711.95.09.74.68.01.6
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total23.011.7..16.43.516.24.521.46.312.25.116.82.3
11-20 yearsno treatment..............
tending........2.42.4..0.40.4
thinning....3.61.81.51.54.83.3..2.61.0
establishment cut....6.42.35.92.92.42.4..4.41.2
removal cut....0.90.9....4.93.41.10.6
plentering....0.90.91.51.5....0.70.5
thinning of mountain forest....8.22.620.64.911.95.09.74.611.61.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total....20.03.829.45.521.46.314.65.520.72.4
> 20 yearsno treatment53.913.8..45.54.748.66.147.67.763.57.549.73.0
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total53.913.8..45.54.748.66.147.67.763.57.549.73.0
totalno treatment53.913.8..45.54.748.66.147.67.763.57.549.73.0
tending....3.61.82.92.04.83.3..2.91.0
thinning7.77.4..15.53.52.92.04.83.32.42.48.41.7
establishment cut15.410.0..13.63.37.33.211.95.02.42.410.21.8
removal cut....0.90.92.92.0..7.34.12.20.9
plentering23.011.7..1.81.31.51.5....2.20.9
thinning of mountain forest....16.43.533.85.728.67.024.36.722.92.5
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.90.9......0.40.4
plentering in broadleaf forest..............
tending of forest edge..............
planting....1.81.3......0.70.5
agrosilvicultural treatments........2.42.4..0.40.4
total100.0...100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169692/156075

NFI2

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
upper subalpine0-20%......3.22.25.85.63.72.1
21-40%......20.75.122.29.820.84.5
41-60%....100.0.41.26.255.411.745.25.5
61-80%......25.45.511.17.421.94.6
over 80%......9.53.75.55.48.53.1
total....100.0.100.0.100.0.100.0.
lower subalpine0-20%....4.82.73.21.2..3.00.9
21-40%....8.13.515.52.417.95.714.21.9
41-60%24.821.5..27.45.730.23.140.07.330.92.5
61-80%25.121.7..40.36.235.63.228.96.835.52.6
over 80%50.125.0..19.45.015.52.413.35.116.42.0
total100.0...100.0.100.0.100.0.100.0.
upper montane0-20%......2.71.21.11.11.40.6
21-40%5.35.1..3.11.53.81.42.31.63.30.9
41-60%....13.83.026.03.226.04.720.82.0
61-80%52.611.5..36.94.232.43.437.65.235.72.3
over 80%42.111.3100.0.46.24.435.13.533.05.038.82.4
total100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%......1.11.1..0.30.3
21-40%......2.31.6..0.70.5
41-60%2.02.05.04.95.02.411.33.49.14.37.01.5
61-80%30.06.525.19.731.35.237.65.227.36.731.92.8
over 80%68.06.669.910.363.85.447.75.363.67.360.02.9
total100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%......2.02.0..0.40.4
21-40%............
41-60%..3.43.42.92.96.13.44.42.23.81.3
61-80%26.78.131.08.623.57.334.76.818.74.125.32.8
over 80%73.38.165.58.873.57.657.17.176.94.470.53.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%....1.00.62.70.70.70.51.50.3
21-40%1.01.0..2.91.09.31.24.91.35.90.6
41-60%1.91.43.92.713.31.925.31.820.62.418.91.1
61-80%33.04.627.56.334.52.733.81.927.02.632.21.3
over 80%64.14.768.66.548.22.929.01.846.83.041.51.3
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 #169693/156076

NFI3

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno treatment..............
tending....0.4100..0.4100..0.771
thinning..............
establishment cut....0.4100......0.4100
removal cut......0.3100....0.3100
plentering0.771..........0.771
thinning of mountain forest....0.771....0.41001.158
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.4100......0.4100
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.4100......0.4100
agrosilvicultural treatments..............
total0.771..2.1410.31000.41000.41003.930
2-5 yearsno treatment..............
tending....0.41000.3100....0.771
thinning....2.538....0.41002.835
establishment cut....1.450......1.450
removal cut..........0.41000.4100
plentering0.4100..........0.4100
thinning of mountain forest....0.41000.7710.7710.41002.141
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.4100......0.4100
agrosilvicultural treatments........0.4100..0.4100
total0.4100..5.0271.0581.1581.1588.520
6-10 yearsno treatment..............
tending....0.7710.3100....1.158
thinning0.4100..2.1410.3100....2.835
establishment cut0.771..1.1580.31001.4500.41003.930
removal cut......0.3100....0.3100
plentering....0.4100......0.4100
thinning of mountain forest....2.1412.4371.8441.4507.721
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total1.158..6.4233.8303.2331.84516.215
11-20 yearsno treatment..............
tending........0.4100..0.4100
thinning....1.4500.31000.771..2.538
establishment cut....2.5381.4500.4100..4.229
removal cut....0.4100....0.7711.158
plentering....0.41000.3100....0.771
thinning of mountain forest....3.2334.8261.8441.45011.217
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total....7.8216.8223.2332.14120.013
> 20 yearsno treatment2.538..17.71411.3177.1229.31947.98
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total2.538..17.71411.3177.1229.31947.98
totalno treatment2.538..17.71411.3177.1229.31947.98
tending....1.4500.7710.771..2.835
thinning0.4100..6.0240.7710.7710.41008.121
establishment cut0.771..5.3261.7441.8440.41009.919
removal cut....0.41000.771..1.1582.141
plentering1.158..0.7710.3100....2.141
thinning of mountain forest....6.4237.9204.2283.63122.012
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.4100......0.4100
plentering in broadleaf forest..............
tending of forest edge..............
planting....0.771......0.771
agrosilvicultural treatments........0.4100..0.4100
total4.727..39.0923.31114.81514.61596.46

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169694/156077
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