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NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha6.42328.21034.69
20-39 m2/ha14.61561.4676.15
40-59 m2/ha10.41825.31135.79
from 60 m2/ha1.1585.3256.423
total32.59120.43152.82
Eastern Jurato 19 m2/ha0.87010.71711.516
20-39 m2/ha4.03022.91026.98
40-59 m2/ha0.8707.9218.719
from 60 m2/ha..1.1581.158
total5.52542.7448.22
Western Plateauto 19 m2/ha1.25712.31613.515
20-39 m2/ha1.25817.31318.412
40-59 m2/ha0.410011.51711.917
from 60 m2/ha2.1442.5404.529
total4.92843.5448.43
Central Plateauto 19 m2/ha1.94019.61121.510
20-39 m2/ha2.83325.7928.58
40-59 m2/ha1.54412.21513.714
from 60 m2/ha0.6714.4265.024
total6.82061.9368.72
Eastern Plateauto 19 m2/ha1.45035.0936.58
20-39 m2/ha3.23342.2745.47
40-59 m2/ha1.45024.31125.710
from 60 m2/ha..4.3284.328
total6.124105.82111.92
Western Pre-Alpsto 19 m2/ha5.9246.72212.615
20-39 m2/ha8.9193.73012.615
40-59 m2/ha8.1205.22513.314
from 60 m2/ha3.7302.6376.323
total26.6818.11244.84
Central Pre-Alpsto 19 m2/ha9.01914.71523.711
20-39 m2/ha19.01316.81335.98
40-59 m2/ha15.11412.61627.610
from 60 m2/ha3.6316.82210.418
total46.6750.9697.52
Eastern Pre-Alpsto 19 m2/ha7.5215.02612.516
20-39 m2/ha13.9158.91922.911
40-59 m2/ha12.51612.11624.610
from 60 m2/ha6.8226.82213.615
total40.7732.9873.63
Northwestern Alpsto 19 m2/ha10.0188.61918.612
20-39 m2/ha16.1137.22123.210
40-59 m2/ha9.3184.32813.615
from 60 m2/ha3.9292.2416.124
total39.3722.21161.54
Central Alpsto 19 m2/ha2.4374.9267.320
20-39 m2/ha4.8254.2289.018
40-59 m2/ha4.5262.7347.220
from 60 m2/ha2.1401.4493.430
total13.81313.21427.07
Northeastern Alpsto 19 m2/ha7.5202.93410.416
20-39 m2/ha7.9192.53710.416
40-59 m2/ha3.6312.9346.422
from 60 m2/ha3.2321.4494.726
total22.299.71731.96
Southwestern Alpsto 19 m2/ha23.71119.61243.37
20-39 m2/ha30.596.52237.08
40-59 m2/ha17.8133.43121.312
from 60 m2/ha6.5221.0587.621
total78.5430.69109.13
Southeastern Alpsto 19 m2/ha21.11227.21148.27
20-39 m2/ha30.21022.11252.37
40-59 m2/ha20.01211.31731.310
from 60 m2/ha4.6274.2288.819
total75.9564.76140.62
Southern Alpsto 19 m2/ha36.9918.21355.17
20-39 m2/ha48.878.52057.36
40-59 m2/ha23.0123.23326.211
from 60 m2/ha6.4230.7717.122
total115.1330.610145.72
Switzerlandto 19 m2/ha135.75213.54349.23
20-39 m2/ha205.94249.93455.82
40-59 m2/ha128.55138.95267.43
from 60 m2/ha44.5944.7989.26
total514.62647.121161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164207/150588

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %± %±
inside perimetercritical0.90.91.31.37.21.112.12.38.82.26.31.37.10.7
less stable34.24.645.65.648.52.146.63.534.53.652.62.746.31.3
stable64.84.653.25.644.32.141.33.456.73.841.12.746.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.30.72.60.67.11.317.74.36.92.08.52.94.90.5
less stable31.42.236.71.946.02.530.35.237.43.936.45.137.31.1
stable66.32.360.71.946.92.552.05.655.84.055.15.257.81.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.00.62.50.67.10.813.72.07.91.56.81.25.80.4
less stable32.02.037.71.847.41.642.12.935.92.649.12.441.30.9
stable66.02.059.81.845.41.644.32.956.32.744.12.452.90.9
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 #164208/150589

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical0.41000.410014.2168.6195.3257.52136.310
less stable13.31612.71696.3532.8920.91261.96237.93
stable25.21114.91588.0629.11034.3948.47239.93
total38.9927.911198.5370.5560.46117.83514.12
outside of perimetercritical3.6316.02410.4184.8263.8302.73531.410
less stable48.6884.2567.378.22020.71211.717240.83
stable102.74139.0468.7714.11530.9917.714373.22
total154.93229.22146.4427.11055.5632.210645.32
totalcritical4.0306.42324.71213.3159.11910.21867.67
less stable62.0696.95163.6441.0741.6873.65478.72
stable127.93153.83156.7443.2765.2566.16613.02
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164209/150590

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand stability %± %± %±
AGcritical......
less stable66.727.337.04.437.74.4
stable33.327.363.04.462.34.4
total100.0.100.0.100.0.
AIcritical......
less stable40.015.816.115.230.811.8
stable60.015.783.915.269.211.8
total100.0.100.0.100.0.
ARcritical10.09.7..4.04.0
less stable20.012.953.313.140.010.0
stable70.014.746.713.156.010.0
total100.0.100.0.100.0.
BEcritical4.41.45.61.45.01.0
less stable39.83.345.73.043.02.2
stable55.83.348.73.151.92.2
total100.0.100.0.100.0.
BL/BScritical......
less stable45.515.135.27.637.46.8
stable54.515.164.87.662.66.8
total100.0.100.0.100.0.
FRcritical..7.53.24.41.9
less stable51.07.344.86.147.34.7
stable49.07.347.86.148.34.7
total100.0.100.0.100.0.
GEcritical......
less stable..29.518.729.518.7
stable..70.518.770.518.7
total..100.0.100.0.
GLcritical10.75.911.87.911.14.7
less stable53.79.547.112.251.27.5
stable35.59.141.212.037.77.3
total100.0.100.0.100.0.
GRcritical6.41.57.31.86.81.1
less stable40.02.934.93.337.92.2
stable53.63.057.83.555.42.3
total100.0.100.0.100.0.
JUcritical..7.03.44.62.3
less stable33.38.638.56.536.75.2
stable66.78.654.56.658.75.3
total100.0.100.0.100.0.
LUcritical18.28.36.62.48.62.5
less stable54.510.637.14.740.14.4
stable27.39.556.34.951.34.5
total100.0.100.0.100.0.
NEcritical......
less stable28.612.131.45.531.05.0
stable71.412.168.65.569.05.0
total100.0.100.0.100.0.
NWcritical12.511.9..5.05.0
less stable50.018.075.012.665.010.8
stable37.517.525.012.830.010.5
total100.0.100.0.100.0.
OWcritical11.56.3..5.93.3
less stable65.49.332.19.449.17.0
stable23.18.367.99.445.07.0
total100.0.100.0.100.0.
SGcritical4.52.21.61.63.31.5
less stable53.95.347.66.451.34.1
stable41.65.250.86.445.34.1
total100.0.100.0.100.0.
SHcritical..2.92.92.82.8
less stable..26.57.625.07.3
stable100.0.70.67.872.27.4
total100.0.100.0.100.0.
SOcritical..1.31.31.21.2
less stable100.0.32.05.336.95.3
stable..66.75.461.95.3
total100.0.100.0.100.0.
SZcritical11.95.05.53.89.03.3
less stable45.37.738.88.142.35.6
stable42.87.755.68.348.75.7
total100.0.100.0.100.0.
TGcritical..3.32.32.82.0
less stable40.015.641.36.441.15.9
stable60.015.655.56.456.15.9
total100.0.100.0.100.0.
TIcritical6.91.68.43.37.21.4
less stable54.83.138.25.951.42.8
stable38.33.053.46.141.42.7
total100.0.100.0.100.0.
URcritical10.05.512.97.011.34.4
less stable43.69.150.310.346.66.8
stable46.59.136.99.942.26.7
total100.0.100.0.100.0.
VDcritical8.83.83.01.24.21.2
less stable47.46.629.03.233.02.9
stable43.86.668.13.362.83.0
total100.0.100.0.100.0.
VScritical11.82.115.73.912.91.9
less stable46.33.330.34.941.82.8
stable42.03.354.05.345.32.8
total100.0.100.0.100.0.
ZGcritical......
less stable44.417.120.018.535.713.2
stable55.617.080.018.564.313.3
total100.0.100.0.100.0.
ZHcritical25.021.73.51.64.11.7
less stable50.025.134.84.035.24.0
stable25.021.761.74.160.74.1
total100.0.100.0.100.0.
Switzerlandcritical7.00.74.80.55.80.4
less stable46.41.337.21.141.30.9
stable46.51.358.01.252.90.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164210/150591

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical......
less stable0.87017.71218.512
stable0.410030.2730.67
total1.25747.9349.12
AIcritical......
less stable1.3450.31001.639
stable1.9341.7423.622
total3.2212.0375.212
ARcritical0.3100..0.3100
less stable0.6692.6303.225
stable2.2332.2334.518
total3.2254.8178.05
BEcritical3.4315.1258.520
less stable30.81042.1872.95
stable43.2844.9888.05
total77.4592.15169.52
BL/BScritical......
less stable2.0435.7237.719
stable2.43910.51513.012
total4.52716.2920.75
FRcritical..1.9441.944
less stable9.01911.21620.210
stable8.61911.91520.510
total17.61225.0842.63
GEcritical......
less stable..0.9650.965
stable..2.2342.234
total..3.1203.120
GLcritical1.2570.8701.943
less stable5.8223.1338.916
stable3.8292.7366.521
total10.7146.52017.37
GRcritical6.3235.22611.417
less stable39.1824.71163.86
stable52.4741.0893.44
total97.8470.96168.62
JUcritical..1.6491.649
less stable3.9308.51912.415
stable7.82012.11519.99
total11.71522.2833.93
LUcritical1.3492.2373.529
less stable3.82812.31416.111
stable1.94018.61020.59
total6.92033.1540.03
NEcritical......
less stable1.3497.4198.717
stable3.23016.21019.49
total4.52523.7728.24
NWcritical0.4100..0.4100
less stable1.5463.5265.019
stable1.2551.2552.336
total3.1294.6207.78
OWcritical1.157..1.157
less stable6.4203.0339.315
stable2.2396.3218.616
total9.7149.31519.04
SGcritical1.4500.41001.844
less stable17.31310.51727.89
stable13.41511.21724.610
total32.2822.01154.24
SHcritical..0.41000.4100
less stable..3.2293.229
stable0.7708.5129.311
total0.77012.1512.83
SOcritical..0.41000.4100
less stable2.3409.51811.715
stable..19.7919.79
total2.34029.5531.83
SZcritical1.8440.7702.536
less stable6.9215.12511.914
stable6.5217.32013.813
total15.21113.01328.35
TGcritical..0.6700.670
less stable1.2497.5178.715
stable1.83910.21311.911
total3.03018.3621.33
TIcritical6.4232.0418.520
less stable51.279.31960.56
stable35.8912.91648.77
total93.5424.211117.72
URcritical1.0571.0582.040
less stable4.3264.1278.417
stable4.6243.0317.617
total9.9158.11818.09
VDcritical1.9442.3404.230
less stable10.21822.41232.69
stable9.51952.6662.15
total21.61277.3498.92
VScritical9.3194.82614.115
less stable36.389.31945.67
stable32.9916.51449.57
total78.5430.69109.13
ZGcritical......
less stable1.7440.41002.137
stable2.1371.7443.921
total3.9212.1386.06
ZHcritical0.41001.8442.140
less stable0.77017.31218.012
stable0.410030.7731.07
total1.44949.7351.12
Switzerlandcritical36.11031.01067.27
less stable238.53241.53480.02
stable239.03376.02615.02
total513.62648.521162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164211/150592

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
inside perimetercritical1.00.92.01.97.01.49.11.15.81.37.00.7
less stable34.34.641.16.946.22.845.51.952.62.846.31.3
stable64.84.756.96.946.82.845.41.941.52.746.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.50.72.50.66.71.59.01.48.93.04.90.5
less stable31.02.237.42.045.23.038.72.436.85.237.31.1
stable66.52.260.12.048.03.052.32.554.35.357.81.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.20.62.50.66.81.09.10.96.51.25.80.4
less stable31.62.037.71.945.72.042.91.549.32.541.30.9
stable66.22.059.81.947.42.048.01.544.22.452.90.9
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 #164212/150593

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical0.41000.41007.92120.7136.72236.110
less stable13.1167.42252.67103.4560.66237.13
stable24.81110.21853.37103.1547.87239.33
total38.3917.914113.94227.33115.13512.52
outside of perimetercritical4.0305.3266.82312.5162.73531.410
less stable50.4879.1646.1853.9811.317240.83
stable108.04126.9449.0873.0616.614373.52
total162.42211.22102.05139.5430.610645.72
totalcritical4.4295.62514.81533.3109.51967.57
less stable63.5686.4598.75157.4471.85477.92
stable132.93137.13102.35176.1364.46612.82
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164213/150594

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %± %±
inside perimetercritical1.30.97.11.57.61.811.82.17.91.85.81.37.10.7
less stable36.53.949.02.847.33.446.33.338.93.352.62.846.31.3
stable62.23.943.92.845.23.442.03.353.23.441.52.746.61.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.50.57.51.75.71.815.73.97.01.98.93.04.80.5
less stable34.71.548.63.143.44.030.34.935.23.536.85.237.41.1
stable62.81.543.93.150.94.054.05.357.83.654.35.357.81.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.47.31.16.81.312.91.97.41.36.51.25.80.4
less stable34.91.448.82.145.62.641.82.837.22.449.32.541.30.9
stable62.71.443.92.147.62.645.32.855.42.544.22.452.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164214/150595

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical0.7717.9215.7259.3196.0246.72236.310
less stable20.41355.2735.4936.3829.51060.66237.43
stable34.71049.4833.8932.9940.4847.87239.13
total55.88112.5474.9578.5475.95115.13512.82
outside of perimetercritical9.3196.9233.1334.8264.5272.73531.310
less stable129.8444.4823.8119.31922.81211.317241.33
stable235.0340.0927.81016.51437.4916.614373.52
total374.2191.2554.8730.6964.7630.610646.12
totalcritical10.01914.8158.82014.11510.5189.51967.67
less stable150.2499.5559.2645.6752.3771.85478.72
stable269.7289.4561.7649.5777.9564.46612.62
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164215/150596

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionstand stability %± %± %±
Western Juracritical1.11.12.70.92.30.7
less stable32.94.929.72.530.42.2
stable66.05.067.72.667.32.3
total100.0.100.0.100.0.
Eastern Juracritical..1.91.31.61.2
less stable42.913.335.24.636.14.3
stable57.113.262.94.762.24.4
total100.0.100.0.100.0.
Western Plateaucritical..2.81.62.61.5
less stable25.312.736.04.734.94.4
stable74.712.761.24.862.54.5
total100.0.100.0.100.0.
Central Plateaucritical..3.01.22.71.1
less stable36.410.339.23.538.93.3
stable63.610.357.83.558.43.3
total100.0.100.0.100.0.
Eastern Plateaucritical5.95.72.00.82.20.8
less stable58.811.936.82.838.02.7
stable35.311.661.12.859.72.8
total100.0.100.0.100.0.
Western Pre-Alpscritical4.22.48.23.95.82.1
less stable45.75.953.07.248.74.6
stable50.15.938.87.045.54.5
total100.0.100.0.100.0.
Central Pre-Alpscritical10.02.67.72.28.81.7
less stable48.54.445.14.246.73.0
stable41.54.347.24.244.53.0
total100.0.100.0.100.0.
Eastern Pre-Alpscritical5.32.14.32.14.91.5
less stable43.94.741.35.142.73.5
stable50.94.754.35.252.43.5
total100.0.100.0.100.0.
Northwestern Alpscritical5.52.26.43.15.81.8
less stable51.84.853.16.352.33.8
stable42.74.740.46.241.93.8
total100.0.100.0.100.0.
Central Alpscritical10.04.88.04.59.03.3
less stable45.17.944.78.144.95.7
stable44.97.947.38.146.15.7
total100.0.100.0.100.0.
Northeastern Alpscritical9.73.87.45.19.03.0
less stable54.86.348.19.752.85.3
stable35.56.144.49.638.25.2
total100.0.100.0.100.0.
Southwestern Alpscritical11.82.115.73.912.91.9
less stable46.33.330.34.941.82.8
stable42.03.354.05.345.32.8
total100.0.100.0.100.0.
Southeastern Alpscritical7.91.87.01.97.41.3
less stable38.93.335.23.537.22.4
stable53.23.457.83.655.42.5
total100.0.100.0.100.0.
Southern Alpscritical5.81.38.93.06.51.2
less stable52.62.836.85.249.32.5
stable41.52.754.35.344.22.4
total100.0.100.0.100.0.
Switzerlandcritical7.00.74.80.55.80.4
less stable46.31.337.31.141.30.9
stable46.71.357.81.252.90.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164216/150597

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juracritical0.41003.2333.631
less stable10.71835.7946.48
stable21.41281.45102.84
total32.59120.43152.82
Eastern Juracritical..0.8700.870
less stable2.44015.01417.412
stable3.23426.8830.07
total5.52542.7448.22
Western Plateaucritical..1.2571.257
less stable1.25715.71416.913
stable3.63326.6930.38
total4.92843.5448.43
Central Plateaucritical..1.9401.940
less stable2.53524.2926.79
stable4.32635.8740.16
total6.82061.9368.72
Eastern Plateaucritical0.41002.1412.537
less stable3.63139.0842.57
stable2.14164.7566.85
total6.124105.82111.92
Western Pre-Alpscritical1.1571.5492.637
less stable12.2159.61821.810
stable13.3147.02120.410
total26.6818.11244.84
Central Pre-Alpscritical4.7273.9308.620
less stable22.61122.91145.57
stable19.41224.01143.47
total46.6750.9697.52
Eastern Pre-Alpscritical2.1401.4503.631
less stable17.91313.61531.48
stable20.71117.81338.67
total40.7732.9873.63
Northwestern Alpscritical2.1401.4503.631
less stable20.41111.81632.28
stable16.8139.01925.810
total39.3722.21161.54
Central Alpscritical1.4491.1582.437
less stable6.2225.92312.114
stable6.2226.22212.414
total13.81313.21427.07
Northeastern Alpscritical2.1400.7702.934
less stable12.2154.72616.811
stable7.9204.32712.215
total22.299.71731.96
Southwestern Alpscritical9.3194.82614.115
less stable36.389.31945.67
stable32.9916.51449.57
total78.5430.69109.13
Southeastern Alpscritical6.0244.52710.518
less stable29.51022.81252.37
stable40.4837.4977.95
total75.9564.76140.62
Southern Alpscritical6.7222.7359.519
less stable60.6611.31771.85
stable47.8716.61464.46
total115.1330.610145.72
Switzerlandcritical36.31031.31167.67
less stable238.23241.43479.62
stable240.23374.32614.52
total514.62647.121161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164217/150598

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....1.80.61.00.70.60.61.20.61.20.3
21-40%0.90.9..4.30.95.41.69.42.23.00.94.30.5
41-60%2.81.61.31.314.01.529.13.235.73.712.41.816.71.0
61-80%22.24.022.84.730.01.935.43.333.33.627.52.529.61.2
over 80%74.14.276.04.849.92.129.13.221.13.155.92.748.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0-20%1.90.71.20.40.70.41.31.31.91.12.01.41.40.3
21-40%1.90.72.00.66.61.216.54.215.22.912.03.45.20.5
41-60%9.51.45.40.921.22.038.05.531.53.727.64.714.70.8
61-80%25.62.120.51.635.12.430.45.239.43.926.44.627.41.0
over 80%61.12.470.81.836.42.413.93.911.92.631.94.951.31.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.10.41.30.41.10.61.20.61.40.61.30.2
21-40%1.70.61.80.55.30.78.51.712.21.85.01.14.80.4
41-60%8.21.25.00.817.01.231.62.833.72.615.71.815.60.6
61-80%24.91.920.81.532.21.534.02.836.22.727.22.228.40.8
over 80%63.72.171.41.744.21.624.92.616.72.150.72.450.00.8
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 #164218/150599

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%....3.5310.7710.41001.4506.024
21-40%0.4100..8.6203.8305.7243.63122.013
41-60%1.1580.410027.71120.51221.61214.71585.96
61-80%8.6206.42359.6725.01020.11232.410152.14
over 80%28.81021.21299.0520.51212.71665.86248.13
total38.9927.911198.5370.5560.46117.83514.12
outside of perimeter0-20%2.9352.8351.1580.31001.1580.7718.820
21-40%2.9354.6289.6194.5278.4203.93033.910
41-60%14.81512.41731.01010.31817.5138.92094.86
61-80%39.7947.0851.588.22021.9128.520176.74
over 80%94.75162.3353.383.8306.62310.318331.02
total154.93229.22146.4427.11055.5632.210645.32
total0-20%2.9352.8354.6281.0581.4502.14114.915
21-40%3.3334.62818.2148.32014.1157.42255.88
41-60%15.91512.71658.8730.8939.1823.512180.84
61-80%48.3853.47111.0533.2942.0840.88328.83
over 80%123.53183.63152.3424.31119.31376.15579.12
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164219/150600

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%..1.71.21.61.2
21-40%..4.21.84.11.8
41-60%..5.02.04.92.0
61-80%33.327.313.43.113.93.1
over 80%66.727.375.64.075.43.9
total100.0.100.0.100.0.
AI0-20%......
21-40%......
41-60%10.09.819.616.913.78.9
61-80%40.015.8..24.711.0
over 80%50.016.180.416.961.712.5
total100.0.100.0.100.0.
AR0-20%......
21-40%......
41-60%10.09.7..4.04.0
61-80%40.015.826.711.632.09.5
over 80%50.016.173.311.664.09.8
total100.0.100.0.100.0.
BE0-20%2.61.11.10.61.80.6
21-40%6.21.62.20.94.10.9
41-60%11.62.110.41.910.91.4
61-80%30.03.132.42.931.32.1
over 80%49.53.353.93.051.92.2
total100.0.100.0.100.0.
BL/BS0-20%..2.52.52.02.0
21-40%......
41-60%9.18.72.52.53.92.8
61-80%9.18.77.54.27.93.8
over 80%81.811.687.45.386.24.9
total100.0.100.0.100.0.
FR0-20%......
21-40%2.02.05.92.94.31.9
41-60%14.95.216.44.515.83.4
61-80%38.37.122.45.129.04.3
over 80%44.77.355.26.150.94.7
total100.0.100.0.100.0.
GE0-20%......
21-40%......
41-60%..14.814.614.814.6
61-80%..14.814.614.814.6
over 80%..70.518.770.518.7
total..100.0.100.0.
GL0-20%3.63.5..2.22.2
21-40%3.63.517.69.38.94.3
41-60%14.06.611.87.913.25.0
61-80%10.75.923.510.415.65.5
over 80%68.18.847.112.260.17.4
total100.0.100.0.100.0.
GR0-20%0.70.51.91.01.20.5
21-40%6.81.512.82.39.31.3
41-60%32.22.834.33.333.02.1
61-80%33.92.836.93.435.22.2
over 80%26.42.614.12.421.31.9
total100.0.100.0.100.0.
JU0-20%..1.81.81.21.2
21-40%......
41-60%..12.34.48.12.9
61-80%20.07.315.84.917.34.1
over 80%80.07.270.16.173.54.8
total100.0.100.0.100.0.
LU0-20%4.54.51.91.32.41.3
21-40%..0.90.90.80.8
41-60%13.67.315.23.514.93.2
61-80%18.28.339.24.835.64.3
over 80%63.610.342.84.846.44.4
total100.0.100.0.100.0.
NE0-20%..1.71.61.41.4
21-40%......
41-60%7.16.99.53.49.13.1
61-80%42.913.334.85.636.15.2
over 80%50.013.454.15.953.45.4
total100.0.100.0.100.0.
NW0-20%......
21-40%......
41-60%..16.711.010.06.9
61-80%12.511.933.313.925.09.9
over 80%87.511.550.014.865.010.9
total100.0.100.0.100.0.
OW0-20%..3.73.61.81.8
21-40%..4.04.02.02.0
41-60%7.75.324.18.615.75.1
61-80%50.09.932.19.441.27.0
over 80%42.39.836.19.739.36.9
total100.0.100.0.100.0.
SG0-20%..1.61.60.70.7
21-40%3.41.96.53.24.61.7
41-60%10.13.218.04.913.32.8
61-80%23.64.526.35.724.73.5
over 80%62.95.147.66.456.74.1
total100.0.100.0.100.0.
SH0-20%......
21-40%......
41-60%..2.92.92.82.8
61-80%..26.57.725.07.3
over 80%100.0.70.67.972.27.6
total100.0.100.0.100.0.
SO0-20%..1.31.31.21.2
21-40%..1.31.31.21.2
41-60%..2.61.82.41.7
61-80%..16.74.215.54.0
over 80%100.0.78.24.779.84.4
total100.0.100.0.100.0.
SZ0-20%......
21-40%4.83.314.05.89.03.3
41-60%7.14.033.37.919.24.5
61-80%23.86.622.27.023.14.8
over 80%64.37.430.57.748.75.7
total100.0.100.0.100.0.
TG0-20%..3.32.32.82.0
21-40%..1.61.61.41.4
41-60%..3.32.32.82.0
61-80%20.012.722.85.422.45.0
over 80%80.012.669.06.070.55.4
total100.0.100.0.100.0.
TI0-20%1.20.71.51.51.20.6
21-40%3.11.114.64.35.51.3
41-60%8.81.822.05.011.61.8
61-80%25.62.726.65.425.82.4
over 80%61.33.035.35.855.92.7
total100.0.100.0.100.0.
UR0-20%3.33.3..1.81.8
21-40%6.64.64.14.05.53.1
41-60%16.66.825.79.020.75.6
61-80%23.27.741.510.131.46.4
over 80%50.29.228.79.240.66.7
total100.0.100.0.100.0.
VD0-20%..2.01.01.50.8
21-40%1.81.74.91.54.21.2
41-60%8.83.812.22.311.52.0
61-80%26.35.828.93.228.32.8
over 80%63.26.452.03.554.53.1
total100.0.100.0.100.0.
VS0-20%0.90.61.11.10.90.5
21-40%4.81.415.83.97.91.5
41-60%27.12.933.75.028.92.5
61-80%35.43.231.54.934.32.7
over 80%31.93.117.94.128.02.5
total100.0.100.0.100.0.
ZG0-20%11.110.8..7.17.1
21-40%......
41-60%11.110.820.018.514.39.7
61-80%22.214.3..14.39.7
over 80%55.617.080.018.564.313.3
total100.0.100.0.100.0.
ZH0-20%......
21-40%..2.81.42.81.4
41-60%..3.51.63.41.5
61-80%50.025.121.33.522.13.5
over 80%50.025.172.43.871.73.8
total100.0.100.0.100.0.
Switzerland0-20%1.20.31.40.31.30.2
21-40%4.20.55.30.54.80.4
41-60%16.61.014.60.815.50.6
61-80%29.51.227.01.028.10.8
over 80%48.51.351.71.150.30.8
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164220/150601

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
AG0-20%..0.8700.870
21-40%..2.0442.044
41-60%..2.4402.440
61-80%0.41006.4236.823
over 80%0.87036.2637.06
total1.25747.9349.12
AI0-20%......
21-40%......
41-60%0.31000.41000.771
61-80%1.345..1.345
over 80%1.6391.6393.222
total3.2212.0375.212
AR0-20%......
21-40%......
41-60%0.3100..0.3100
61-80%1.3471.3472.630
over 80%1.6413.5235.116
total3.2254.8178.05
BE0-20%2.1411.0583.133
21-40%4.8272.1416.922
41-60%9.0199.61818.513
61-80%23.21129.81053.17
over 80%38.3849.6787.95
total77.4592.15169.52
BL/BS0-20%..0.41000.4100
21-40%......
41-60%0.41000.41000.870
61-80%0.41001.2571.649
over 80%3.73114.21117.97
total4.52716.2920.75
FR0-20%......
21-40%0.41001.5501.844
41-60%2.6374.1296.722
61-80%6.7225.62412.315
over 80%7.92013.81421.710
total17.61225.0842.63
GE0-20%......
21-40%......
41-60%..0.51000.5100
61-80%..0.51000.5100
over 80%..2.2342.234
total..3.1203.120
GL0-20%0.4100..0.4100
21-40%0.41001.2571.549
41-60%1.5490.8702.340
61-80%1.2571.5492.736
over 80%7.3193.13310.414
total10.7146.52017.37
GR0-20%0.7711.4502.141
21-40%6.6239.01915.714
41-60%31.41024.31155.77
61-80%33.2926.11159.36
over 80%25.81110.01835.99
total97.8470.96168.62
JU0-20%..0.41000.4100
21-40%......
41-60%..2.7372.737
61-80%2.3403.5325.824
over 80%9.41815.51224.97
total11.71522.2833.93
LU0-20%0.31000.6700.957
21-40%..0.31000.3100
41-60%0.9575.0246.021
61-80%1.34913.01314.213
over 80%4.42514.21218.610
total6.92033.1540.03
NE0-20%..0.41000.4100
21-40%......
41-60%0.31002.2372.634
61-80%1.9408.21810.216
over 80%2.23712.81215.110
total4.52523.7728.24
NW0-20%......
21-40%......
41-60%..0.8690.869
61-80%0.41001.5461.940
over 80%2.7322.3365.019
total3.1294.6207.78
OW0-20%..0.31000.3100
21-40%..0.41000.4100
41-60%0.7702.2393.033
61-80%4.9243.0337.817
over 80%4.1273.4317.518
total9.7149.31519.04
SG0-20%..0.41000.4100
21-40%1.1581.4502.537
41-60%3.2334.0307.221
61-80%7.6215.82413.415
over 80%20.21110.51730.78
total32.2822.01154.24
SH0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..3.2293.229
over 80%0.7708.5129.311
total0.77012.1512.83
SO0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%..0.8700.870
61-80%..4.9264.926
over 80%2.34023.1725.46
total2.34029.5531.83
SZ0-20%......
21-40%0.7701.8442.537
41-60%1.1574.3275.424
61-80%3.6302.9346.522
over 80%9.8164.02813.812
total15.21113.01328.35
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%0.6704.2244.822
over 80%2.43412.61115.09
total3.03018.3621.33
TI0-20%1.1580.41001.450
21-40%2.9353.5316.423
41-60%8.3205.32513.616
61-80%24.0116.42330.410
over 80%57.368.52065.85
total93.5424.211117.72
UR0-20%0.3100..0.3100
21-40%0.7700.31001.057
41-60%1.7432.1403.729
61-80%2.3363.3305.722
over 80%5.0242.3367.318
total9.9158.11818.09
VD0-20%..1.5501.550
21-40%0.41003.7314.130
41-60%1.9449.41911.417
61-80%5.72522.31228.010
over 80%13.71640.2853.96
total21.61277.3498.92
VS0-20%0.7710.31001.058
21-40%3.8304.8268.619
41-60%21.31210.31831.69
61-80%27.8109.61837.48
over 80%25.0115.52530.59
total78.5430.69109.13
ZG0-20%0.4100..0.4100
21-40%......
41-60%0.41000.41000.968
61-80%0.968..0.968
over 80%2.1371.7443.921
total3.9212.1386.06
ZH0-20%......
21-40%..1.4491.449
41-60%..1.8441.844
61-80%0.77010.61611.316
over 80%0.77036.0636.76
total1.44949.7351.12
Switzerland0-20%6.0248.92014.915
21-40%21.71334.21055.98
41-60%85.4694.86180.24
61-80%151.54175.14326.63
over 80%249.03335.53584.52
total513.62648.521162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164221/150602

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%....0.90.51.50.51.20.61.20.3
21-40%0.90.9..3.81.16.00.93.11.04.20.5
41-60%2.81.62.01.910.41.725.71.711.71.816.71.0
61-80%21.04.021.65.831.62.631.61.827.72.529.61.2
over 80%75.34.276.55.953.22.835.11.956.32.848.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0-20%1.80.61.30.51.10.61.30.61.21.21.40.3
21-40%1.80.62.20.63.91.113.31.712.63.65.20.5
41-60%7.91.36.01.019.42.429.92.325.34.714.70.8
61-80%23.82.021.61.733.62.835.32.427.64.827.31.0
over 80%64.72.368.91.942.12.920.22.033.45.151.41.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.20.41.00.41.40.41.20.51.30.2
21-40%1.60.52.00.53.80.88.70.95.11.14.80.4
41-60%6.91.15.70.914.71.427.31.414.61.715.50.6
61-80%23.31.821.61.632.61.933.11.427.62.228.30.8
over 80%66.72.069.51.847.92.029.51.451.52.550.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164222/150603

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%....1.1583.5321.4506.024
21-40%0.4100..4.32913.5163.63121.813
41-60%1.1580.410011.91758.5713.51685.36
61-80%8.0213.93036.0971.9631.810151.74
over 80%28.81013.71660.6779.9664.86247.73
total38.3917.914113.94227.33115.13512.52
outside of perimeter0-20%2.9352.8351.1581.7450.41008.920
21-40%2.9354.6274.03018.5143.93033.810
41-60%12.81612.61619.81341.897.82194.76
61-80%38.7945.7834.21049.388.420176.34
over 80%105.24145.5342.9828.21110.218331.92
total162.42211.22102.05139.5430.610645.72
total0-20%2.9352.8352.2415.2261.84514.915
21-40%3.3334.6278.32132.0107.42155.68
41-60%13.91613.01631.710100.2521.312180.14
61-80%46.7849.6870.36121.2540.38328.03
over 80%134.03159.23103.54108.0575.05579.72
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164223/150604

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%..2.20.81.40.80.90.60.50.51.20.61.20.3
21-40%0.60.64.81.23.91.44.81.47.91.83.11.04.30.5
41-60%2.61.313.11.911.32.227.12.934.73.211.71.816.71.0
61-80%21.13.332.72.724.42.935.43.233.33.227.72.529.61.2
over 80%75.63.447.12.859.03.431.93.123.62.956.32.848.21.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0-20%1.50.40.80.60.70.71.11.12.11.11.21.21.40.3
21-40%2.00.44.71.38.32.215.83.913.52.512.63.65.20.5
41-60%6.80.819.82.520.83.333.75.034.03.525.34.714.70.8
61-80%22.61.339.13.126.13.531.54.937.53.627.64.827.41.0
over 80%67.11.535.63.044.14.017.94.112.92.533.45.151.31.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.30.31.60.51.10.50.90.51.20.51.20.51.30.2
21-40%1.80.44.80.95.71.27.91.510.51.55.11.14.80.4
41-60%6.20.716.11.515.31.928.92.534.42.414.61.715.60.6
61-80%22.41.235.62.025.22.334.32.735.22.427.62.228.40.8
over 80%68.21.341.92.152.72.628.02.518.71.951.52.549.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164224/150605

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%..2.5381.0580.7710.41001.4506.024
21-40%0.41005.4262.9363.8306.0243.63122.013
41-60%1.45014.8158.52021.31226.41113.51685.86
61-80%11.81736.8918.31327.81025.31131.810151.84
over 80%42.2953.0744.2725.01117.91364.86247.13
total55.88112.5474.9578.5475.95115.13512.82
outside of perimeter0-20%5.7250.7710.41000.31001.4500.41008.920
21-40%7.5224.3294.5284.8268.8203.93033.810
41-60%25.41218.01411.41710.31822.0127.82194.96
61-80%84.4635.7914.3159.61824.2118.420176.84
over 80%251.1332.51024.1115.5258.32010.218331.72
total374.2191.2554.8730.6964.7630.610646.12
total0-20%5.7253.2331.4501.0581.7451.84514.915
21-40%7.9219.7197.5228.61914.7157.42155.88
41-60%26.81132.81019.91331.6948.4721.312180.74
61-80%96.2572.5632.6937.4849.6740.38328.63
over 80%293.3285.5568.3530.5926.31175.05578.82
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164225/150606

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.50.71.20.5
21-40%1.11.12.10.81.90.7
41-60%2.21.69.21.67.71.3
61-80%23.14.426.72.426.02.1
over 80%73.64.660.52.763.22.3
total100.0.100.0.100.0.
Eastern Jura0-20%..2.81.62.51.4
21-40%..0.90.90.80.8
41-60%7.16.93.71.84.11.8
61-80%7.16.914.83.414.03.2
over 80%85.79.377.74.078.73.7
total100.0.100.0.100.0.
Western Plateau0-20%..2.81.62.61.5
21-40%..1.91.31.71.2
41-60%..11.43.110.22.8
61-80%33.713.724.54.225.44.0
over 80%66.313.759.44.860.14.5
total100.0.100.0.100.0.
Central Plateau0-20%..1.50.91.40.8
21-40%..1.00.70.90.6
41-60%4.54.56.01.75.91.6
61-80%18.28.223.63.023.12.8
over 80%77.39.067.83.368.83.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.70.50.60.5
21-40%..3.01.02.90.9
41-60%..4.11.13.81.1
61-80%17.69.319.32.319.22.2
over 80%82.49.273.02.673.52.5
total100.0.100.0.100.0.
Western Pre-Alps0-20%1.41.4..0.80.8
21-40%6.93.010.14.38.22.5
41-60%20.84.822.56.021.53.7
61-80%30.65.526.56.329.04.1
over 80%40.35.840.87.040.54.5
total100.0.100.0.100.0.
Central Pre-Alps0-20%0.80.81.41.01.10.6
21-40%3.11.51.41.02.20.9
41-60%7.72.319.73.314.02.1
61-80%36.94.242.34.239.73.0
over 80%51.54.435.24.043.03.0
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%0.90.91.11.11.00.7
21-40%2.61.54.32.13.41.3
41-60%7.02.417.44.011.62.2
61-80%26.34.123.94.525.23.0
over 80%63.24.553.35.258.73.4
total100.0.100.0.100.0.
Northwestern Alps0-20%4.52.0..2.91.3
21-40%5.52.28.03.56.41.9
41-60%14.63.417.74.915.72.8
61-80%29.14.341.96.333.73.6
over 80%46.34.732.45.941.33.8
total100.0.100.0.100.0.
Central Alps0-20%2.52.5..1.31.3
21-40%5.03.510.85.17.93.1
41-60%15.05.729.17.421.94.7
61-80%20.06.331.57.625.65.0
over 80%57.67.828.67.343.45.6
total100.0.100.0.100.0.
Northeastern Alps0-20%1.61.6..1.11.1
21-40%4.92.718.57.59.03.0
41-60%16.24.718.57.516.94.0
61-80%24.25.525.98.524.74.6
over 80%53.26.437.09.348.35.3
total100.0.100.0.100.0.
Southwestern Alps0-20%0.90.61.11.10.90.5
21-40%4.81.415.83.97.91.5
41-60%27.12.933.75.028.92.5
61-80%35.43.231.54.934.32.7
over 80%31.93.117.94.128.02.5
total100.0.100.0.100.0.
Southeastern Alps0-20%0.50.52.11.11.20.5
21-40%7.91.813.52.510.51.5
41-60%34.73.234.03.534.42.4
61-80%33.33.237.53.635.22.4
over 80%23.62.912.92.518.71.9
total100.0.100.0.100.0.
Southern Alps0-20%1.20.61.21.21.20.5
21-40%3.11.012.63.65.11.1
41-60%11.71.825.34.714.61.7
61-80%27.72.527.64.827.62.2
over 80%56.32.833.45.151.52.5
total100.0.100.0.100.0.
Switzerland0-20%1.20.31.40.31.30.2
21-40%4.30.55.30.54.80.4
41-60%16.71.014.70.815.60.6
61-80%29.61.227.31.028.30.8
over 80%48.31.351.41.150.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164226/150607

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..1.8451.845
21-40%0.41002.5382.935
41-60%0.77111.11711.817
61-80%7.52132.21039.78
over 80%23.91172.8596.74
total32.59120.43152.82
Eastern Jura0-20%..1.2571.257
21-40%..0.41000.4100
41-60%0.41001.6492.044
61-80%0.41006.3236.723
over 80%4.72833.2637.95
total5.52542.7448.22
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..4.9284.928
61-80%1.64910.71812.316
over 80%3.23525.8929.18
total4.92843.5448.43
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%0.31003.7284.027
61-80%1.25014.61315.913
over 80%5.32342.0647.25
total6.82061.9368.72
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.3284.328
61-80%1.15820.41221.412
over 80%5.02677.2482.24
total6.124105.82111.92
Western Pre-Alps0-20%0.4100..0.4100
21-40%1.8441.8443.731
41-60%5.5254.1299.618
61-80%8.2204.82713.015
over 80%10.7177.42118.112
total26.6818.11244.84
Central Pre-Alps0-20%0.41000.7711.158
21-40%1.4500.7712.241
41-60%3.63110.01813.615
61-80%17.21321.51238.78
over 80%24.01117.91341.97
total46.6750.9697.52
Eastern Pre-Alps0-20%0.41000.41000.771
21-40%1.1571.4502.537
41-60%2.9355.7248.620
61-80%10.7177.92018.612
over 80%25.71017.51343.26
total40.7732.9873.63
Northwestern Alps0-20%1.844..1.844
21-40%2.1401.8443.929
41-60%5.7243.9299.618
61-80%11.4169.31820.711
over 80%18.2127.22225.410
total39.3722.21161.54
Central Alps0-20%0.3100..0.3100
21-40%0.7701.4502.140
41-60%2.1403.8295.923
61-80%2.7344.2286.920
over 80%7.9193.82911.714
total13.81313.21427.07
Northeastern Alps0-20%0.4100..0.4100
21-40%1.1581.8442.935
41-60%3.6311.8445.425
61-80%5.4242.5377.919
over 80%11.8153.63015.412
total22.299.71731.96
Southwestern Alps0-20%0.7710.31001.058
21-40%3.8304.8268.619
41-60%21.31210.31831.69
61-80%27.8109.61837.48
over 80%25.0115.52530.59
total78.5430.69109.13
Southeastern Alps0-20%0.41001.4501.745
21-40%6.0248.82014.715
41-60%26.41122.01248.47
61-80%25.31124.21149.67
over 80%17.9138.32026.311
total75.9564.76140.62
Southern Alps0-20%1.4500.41001.845
21-40%3.6313.9307.421
41-60%13.5167.82121.312
61-80%31.8108.42040.38
over 80%64.8610.21875.05
total115.1330.610145.72
Switzerland0-20%6.0249.02015.015
21-40%21.91334.01055.98
41-60%85.9695.16181.04
61-80%152.44176.64329.03
over 80%248.33332.42580.72
total514.62647.121161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164227/150608

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track29.64.440.55.516.81.615.02.518.73.03.31.016.01.0
road and skidding road48.14.830.45.210.41.34.41.43.51.47.01.411.90.8
road and cable line13.03.212.73.751.12.137.83.453.23.830.22.539.81.3
road and flight path2.81.61.31.39.71.238.93.424.63.349.62.823.61.1
no access intended6.52.415.24.012.01.43.91.3..10.01.68.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterroad and skidding track56.12.472.51.821.12.026.65.026.73.56.72.647.81.1
road and skidding road34.92.317.61.510.91.510.13.47.72.112.03.418.80.9
road and cable line4.00.92.80.632.22.319.14.439.33.921.04.314.50.8
road and flight path....9.91.541.75.625.73.533.04.97.90.6
no access intended5.11.17.11.025.82.22.51.80.60.627.24.711.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track50.72.269.11.718.71.318.22.322.62.34.01.033.70.7
road and skidding road37.52.119.01.510.61.06.01.45.51.38.01.315.70.6
road and cable line5.81.03.90.743.11.632.62.846.62.828.22.225.70.7
road and flight path0.60.30.10.19.81.039.62.925.12.446.02.414.80.6
no access intended5.41.08.01.017.91.23.51.10.30.313.71.710.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164228/150609

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track11.51711.31733.41010.61711.3173.93082.16
road and skidding road18.7138.52020.6133.1332.1418.22061.27
road and cable line5.0263.531101.4526.71032.2935.69204.44
road and flight path1.1580.410019.21327.41014.81558.46121.35
no access intended2.5384.22923.9122.735..11.81745.19
total38.9927.911198.5370.5560.46117.83514.12
outside of perimeterroad and skidding track86.85166.2330.9107.22114.8152.241308.23
road and skidding road54.0740.3916.0152.7354.2283.930121.25
road and cable line6.1246.42347.285.22521.8126.82393.46
road and flight path....14.51511.31714.21510.61850.78
no access intended7.92116.31437.890.7710.41008.82071.87
total154.93229.22146.4427.11055.5632.210645.32
totalroad and skidding track98.44177.5364.4717.81326.1116.124390.32
road and skidding road72.8648.8836.695.8246.42312.017182.44
road and cable line11.2179.919148.6431.8954.0642.38297.83
road and flight path1.1580.410033.71038.7829.11069.06171.94
no access intended10.41820.51361.773.4310.410020.512116.95
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164229/150610

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonconcept of transportation system %± %± %±
AGroad and skidding track..63.04.461.54.4
road and skidding road33.327.331.94.332.04.2
road and cable line......
road and flight path......
no access intended66.727.35.02.06.62.2
total100.0.100.0.100.0.
AIroad and skidding track40.015.880.416.755.512.6
road and skidding road20.013.019.616.919.810.3
road and cable line30.014.9..18.59.9
road and flight path10.09.8..6.26.1
no access intended......
total100.0.100.0.100.0.
ARroad and skidding track80.012.753.313.164.09.6
road and skidding road..26.711.616.07.5
road and cable line20.012.920.010.520.08.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
BEroad and skidding track20.82.750.23.136.82.2
road and skidding road22.62.819.72.421.01.8
road and cable line42.93.320.12.430.52.1
road and flight path4.01.30.40.42.00.6
no access intended9.72.09.71.89.71.3
total100.0.100.0.100.0.
BL/BSroad and skidding track45.515.160.37.757.16.9
road and skidding road36.414.634.77.635.16.7
road and cable line9.18.75.03.55.93.3
road and flight path......
no access intended9.18.7..2.02.0
total100.0.100.0.100.0.
FRroad and skidding track23.46.256.86.043.04.6
road and skidding road12.74.912.04.012.33.1
road and cable line44.77.314.94.427.24.2
road and flight path......
no access intended19.25.816.44.517.53.6
total100.0.100.0.100.0.
GEroad and skidding track..100.0.100.0.
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..100.0.100.0.
GLroad and skidding track......
road and skidding road......
road and cable line60.99.270.611.264.67.2
road and flight path10.75.911.87.911.14.7
no access intended28.38.617.69.324.36.4
total100.0.100.0.100.0.
GRroad and skidding track17.52.328.13.222.01.9
road and skidding road2.91.06.91.84.61.0
road and cable line54.33.037.83.447.32.3
road and flight path22.92.525.33.023.91.9
no access intended2.50.91.91.02.30.7
total100.0.100.0.100.0.
JUroad and skidding track26.78.152.76.643.75.3
road and skidding road60.08.943.86.649.45.4
road and cable line3.33.3..1.21.2
road and flight path......
no access intended10.05.53.52.55.82.5
total100.0.100.0.100.0.
LUroad and skidding track13.67.326.54.324.33.8
road and skidding road..12.33.210.22.7
road and cable line31.810.04.72.19.42.6
road and flight path......
no access intended54.510.756.44.956.14.4
total100.0.100.0.100.0.
NEroad and skidding track21.411.057.45.851.75.4
road and skidding road71.412.137.25.742.65.3
road and cable line......
road and flight path......
no access intended7.16.95.42.65.72.5
total100.0.100.0.100.0.
NWroad and skidding track12.511.9..5.05.0
road and skidding road12.511.98.38.210.06.9
road and cable line37.517.533.313.935.010.9
road and flight path12.511.916.711.015.08.2
no access intended25.015.641.714.535.010.9
total100.0.100.0.100.0.
OWroad and skidding track..4.04.02.02.0
road and skidding road7.75.312.06.69.84.2
road and cable line57.79.843.810.050.97.1
road and flight path23.18.316.17.419.65.6
no access intended11.56.324.18.617.75.4
total100.0.100.0.100.0.
SGroad and skidding track34.85.144.36.438.74.0
road and skidding road16.94.019.75.118.03.1
road and cable line32.65.016.44.826.03.6
road and flight path13.53.619.75.116.03.0
no access intended2.21.6..1.30.9
total100.0.100.0.100.0.
SHroad and skidding track100.0.82.46.483.36.0
road and skidding road..14.76.113.95.8
road and cable line..2.92.92.82.8
road and flight path......
no access intended......
total100.0.100.0.100.0.
SOroad and skidding track33.319.357.75.656.05.4
road and skidding road50.020.529.55.231.05.1
road and cable line..10.33.59.53.2
road and flight path......
no access intended16.715.32.61.83.62.0
total100.0.100.0.100.0.
SZroad and skidding track2.42.45.53.83.82.2
road and skidding road19.16.18.34.614.14.0
road and cable line54.77.713.95.835.95.5
road and flight path2.42.45.53.83.82.2
no access intended21.46.466.77.942.35.6
total100.0.100.0.100.0.
TGroad and skidding track60.015.688.64.184.64.3
road and skidding road30.014.611.44.114.04.1
road and cable line10.09.5..1.41.4
road and flight path......
no access intended......
total100.0.100.0.100.0.
TIroad and skidding track2.30.94.42.52.70.9
road and skidding road8.11.714.64.39.41.6
road and cable line23.32.616.34.521.92.3
road and flight path56.43.132.55.751.52.8
no access intended10.01.932.25.714.51.9
total100.0.100.0.100.0.
URroad and skidding track6.64.617.07.811.34.4
road and skidding road3.83.712.97.07.83.8
road and cable line56.49.121.08.440.66.7
road and flight path23.27.728.79.225.76.0
no access intended10.05.520.58.214.74.8
total100.0.100.0.100.0.
VDroad and skidding track8.73.757.33.546.73.1
road and skidding road8.83.823.13.020.02.5
road and cable line52.86.65.91.716.12.3
road and flight path15.74.83.91.46.51.5
no access intended14.14.69.82.110.81.9
total100.0.100.0.100.0.
VSroad and skidding track15.32.428.14.818.92.2
road and skidding road4.81.412.33.56.91.4
road and cable line39.73.220.34.334.32.7
road and flight path36.73.237.05.136.82.7
no access intended3.51.22.21.63.11.0
total100.0.100.0.100.0.
ZGroad and skidding track33.316.280.018.550.013.8
road and skidding road11.110.820.018.514.39.7
road and cable line55.617.0..35.713.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
ZHroad and skidding track..76.63.674.53.6
road and skidding road25.021.712.12.812.42.7
road and cable line75.021.710.62.612.42.7
road and flight path......
no access intended..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track15.90.947.91.133.80.8
road and skidding road11.90.819.00.915.90.6
road and cable line39.81.314.40.825.60.7
road and flight path23.61.17.80.614.80.6
no access intended8.80.710.90.79.90.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164230/150611
search result: 155765 entries on 6491 pages

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