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NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha20.83.321.32.421.62.929.33.123.73.127.02.624.11.2
20-39 m2/ha46.84.039.32.835.03.338.23.341.83.544.32.940.81.3
40-59 m2/ha26.03.529.32.627.73.124.02.927.83.222.42.526.21.2
from 60 m2/ha6.52.010.01.715.62.58.51.96.71.86.31.48.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterto 19 m2/ha28.31.430.73.117.73.454.06.430.23.843.06.929.31.1
20-39 m2/ha45.31.632.03.130.24.027.95.840.04.139.36.841.01.2
40-59 m2/ha21.61.325.92.933.24.113.14.321.53.415.75.122.61.0
from 60 m2/ha4.80.711.42.118.93.45.02.88.32.32.01.97.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha27.31.325.41.920.12.234.82.926.52.429.42.527.00.8
20-39 m2/ha45.51.536.22.133.22.635.92.941.02.743.62.740.90.9
40-59 m2/ha22.21.227.82.029.92.521.62.525.12.421.42.224.20.8
from 60 m2/ha5.00.610.61.316.92.07.71.67.41.45.61.37.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162729/149108

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha11.41723.11215.41421.31216.21427.311114.65
20-39 m2/ha25.81142.6824.91127.81028.51044.98194.34
40-59 m2/ha14.31631.71019.71217.51319.01322.712124.95
from 60 m2/ha3.63210.81811.1176.2234.6276.42342.69
total55.18108.2470.9572.7568.25101.34476.32
outside of perimeterto 19 m2/ha103.7525.2118.12111.31715.4147.821171.64
20-39 m2/ha166.3426.31113.8155.82420.3127.122239.73
40-59 m2/ha79.4621.31215.2142.73510.9172.835132.45
from 60 m2/ha17.5149.4198.6191.0584.2280.410041.19
total367.0182.2545.7721.01250.9718.013584.82
totalto 19 m2/ha115.2548.3823.51132.6931.51035.19286.23
20-39 m2/ha192.1368.9638.7833.6948.8752.07434.02
40-59 m2/ha93.7653.0734.8920.21229.91025.511257.23
from 60 m2/ha21.11320.21319.7127.2218.8196.72283.76
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162730/149109

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionbasal area (standing live trees) %± %± %±
Western Jurato 19 m2/ha19.14.223.22.322.32.0
20-39 m2/ha46.15.350.92.849.92.5
40-59 m2/ha31.54.921.32.323.52.1
from 60 m2/ha3.41.94.61.24.31.0
total100.0.100.0.100.0.
Eastern Jurato 19 m2/ha14.39.425.84.324.43.9
20-39 m2/ha71.412.155.34.857.24.5
40-59 m2/ha14.39.417.23.716.83.4
from 60 m2/ha..1.81.21.61.1
total100.0.100.0.100.0.
Western Plateauto 19 m2/ha25.312.727.24.427.04.2
20-39 m2/ha24.112.239.84.838.24.5
40-59 m2/ha8.48.127.24.425.24.1
from 60 m2/ha42.214.35.92.39.62.8
total100.0.100.0.100.0.
Central Plateauto 19 m2/ha27.39.531.73.331.23.1
20-39 m2/ha40.910.541.63.541.53.3
40-59 m2/ha22.79.019.62.819.92.7
from 60 m2/ha9.16.17.11.87.31.8
total100.0.100.0.100.0.
Eastern Plateauto 19 m2/ha23.510.333.02.832.52.7
20-39 m2/ha52.912.139.92.940.62.8
40-59 m2/ha23.510.323.02.523.12.4
from 60 m2/ha..4.11.23.91.1
total100.0.100.0.100.0.
Western Pre-Alpsto 19 m2/ha22.05.032.67.226.14.2
20-39 m2/ha32.45.721.06.227.94.3
40-59 m2/ha30.95.632.67.231.54.4
from 60 m2/ha14.74.313.95.314.43.3
total100.0.100.0.100.0.
Central Pre-Alpsto 19 m2/ha18.63.428.93.923.92.6
20-39 m2/ha41.14.333.34.137.13.0
40-59 m2/ha32.64.125.23.728.82.8
from 60 m2/ha7.82.412.62.910.21.9
total100.0.100.0.100.0.
Eastern Pre-Alpsto 19 m2/ha19.13.813.23.716.62.7
20-39 m2/ha34.54.528.95.032.13.4
40-59 m2/ha30.94.437.45.333.73.4
from 60 m2/ha15.53.520.54.417.62.7
total100.0.100.0.100.0.
Northwestern Alpsto 19 m2/ha24.34.234.06.727.53.6
20-39 m2/ha41.74.938.06.940.54.0
40-59 m2/ha24.34.222.05.923.53.4
from 60 m2/ha9.72.96.03.48.52.3
total100.0.100.0.100.0.
Central Alpsto 19 m2/ha10.85.122.48.115.74.6
20-39 m2/ha38.08.037.19.337.66.1
40-59 m2/ha35.17.925.88.431.15.8
from 60 m2/ha16.26.114.76.815.64.5
total100.0.100.0.100.0.
Northeastern Alpsto 19 m2/ha32.86.227.39.531.35.2
20-39 m2/ha34.56.327.39.532.55.3
40-59 m2/ha17.35.027.39.520.04.5
from 60 m2/ha15.54.818.28.316.24.1
total100.0.100.0.100.0.
Southwestern Alpsto 19 m2/ha29.33.154.06.434.82.9
20-39 m2/ha38.23.327.95.835.92.9
40-59 m2/ha24.02.913.14.321.62.5
from 60 m2/ha8.51.95.02.87.71.6
total100.0.100.0.100.0.
Southeastern Alpsto 19 m2/ha23.73.130.23.826.52.4
20-39 m2/ha41.83.540.04.141.02.7
40-59 m2/ha27.83.221.53.425.12.4
from 60 m2/ha6.71.88.32.37.41.4
total100.0.100.0.100.0.
Southern Alpsto 19 m2/ha27.02.643.06.929.42.5
20-39 m2/ha44.32.939.36.843.62.7
40-59 m2/ha22.42.515.75.121.42.2
from 60 m2/ha6.31.42.01.95.61.3
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha24.01.229.21.126.90.8
20-39 m2/ha40.81.341.01.240.90.9
40-59 m2/ha26.21.222.71.024.30.8
from 60 m2/ha9.00.87.00.67.90.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162731/149110

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 NFI1/NFI2/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/ha6.12427.11133.29
20-39 m2/ha14.61559.6674.35
40-59 m2/ha10.01825.01135.09
from 60 m2/ha1.1585.3256.423
total31.810117.13148.92
Eastern Jurato 19 m2/ha0.87010.71711.516
20-39 m2/ha4.03022.91026.98
40-59 m2/ha0.8707.1227.921
from 60 m2/ha..0.7710.771
total5.52541.5447.03
Western Plateauto 19 m2/ha1.25711.51712.716
20-39 m2/ha1.25816.81318.012
40-59 m2/ha0.410011.51711.917
from 60 m2/ha2.1442.5404.529
total4.92842.3547.24
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/ha1.45034.3935.78
20-39 m2/ha3.23341.5744.77
40-59 m2/ha1.45024.01125.411
from 60 m2/ha..4.3284.328
total6.124104.02110.12
Western Pre-Alpsto 19 m2/ha5.5255.22510.717
20-39 m2/ha8.1203.33211.516
40-59 m2/ha7.8205.22513.015
from 60 m2/ha3.7302.2405.924
total25.2915.91341.14
Central Pre-Alpsto 19 m2/ha8.62014.01522.611
20-39 m2/ha19.01316.11435.18
40-59 m2/ha15.11412.21627.210
from 60 m2/ha3.6316.1249.718
total46.3748.4794.72
Eastern Pre-Alpsto 19 m2/ha7.5213.93011.416
20-39 m2/ha13.6158.61922.111
40-59 m2/ha12.11611.11723.210
from 60 m2/ha6.1236.12312.116
total39.3729.6968.93
Northwestern Alpsto 19 m2/ha8.9196.12315.014
20-39 m2/ha15.4146.82222.111
40-59 m2/ha8.9193.92912.915
from 60 m2/ha3.6311.1584.727
total36.8717.91354.74
Central Alpsto 19 m2/ha1.4492.1403.531
20-39 m2/ha4.8253.5318.318
40-59 m2/ha4.5262.4376.920
from 60 m2/ha2.1401.4493.430
total12.7139.31722.18
Northeastern Alpsto 19 m2/ha6.8212.1409.018
20-39 m2/ha7.2202.1409.317
40-59 m2/ha3.6312.1405.723
from 60 m2/ha3.2321.4494.726
total20.8107.91928.76
Southwestern Alpsto 19 m2/ha21.31211.31732.69
20-39 m2/ha27.8105.82433.69
40-59 m2/ha17.5132.73520.212
from 60 m2/ha6.2231.0587.221
total72.7521.01293.73
Southeastern Alpsto 19 m2/ha16.21415.41431.510
20-39 m2/ha28.51020.31248.87
40-59 m2/ha19.01310.91729.910
from 60 m2/ha4.6274.2288.819
total68.2550.97119.03
Southern Alpsto 19 m2/ha27.3117.82135.19
20-39 m2/ha44.987.12252.07
40-59 m2/ha22.7122.83525.511
from 60 m2/ha6.4230.41006.722
total101.3418.013119.33
Switzerlandto 19 m2/ha114.95171.14286.03
20-39 m2/ha195.04240.33435.32
40-59 m2/ha125.35133.15258.43
from 60 m2/ha43.1941.1984.26
total478.22585.721063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162732/149111

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %± %±
inside perimetercritical0.90.91.31.37.21.111.52.37.82.25.91.46.70.7
less stable34.94.645.65.648.62.247.43.636.03.953.82.946.91.4
stable64.24.753.25.644.22.241.23.656.24.040.42.946.41.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.40.72.70.66.81.314.54.74.11.85.33.04.10.5
less stable31.52.336.51.946.82.623.65.738.04.444.66.837.41.2
stable66.12.360.91.946.42.661.96.658.04.550.26.858.61.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.10.62.50.67.00.912.12.16.21.55.81.35.20.4
less stable32.22.037.51.847.91.742.13.136.82.952.32.741.60.9
stable65.72.160.01.845.11.745.83.257.03.041.92.753.10.9
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 #162733/149112

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 perimetercritical0.41000.410013.5167.5214.2286.12432.010
less stable13.31612.71691.6531.1919.41255.57223.73
stable24.51114.91583.3627.11030.4941.78221.84
total38.2927.911188.4365.7554.16103.24477.52
outside of perimetercritical3.6316.0248.6202.7351.7451.05823.712
less stable47.6882.4659.074.42716.2148.620218.24
stable99.84137.6458.6711.71624.7119.619342.03
total151.03226.02126.2418.91342.6819.213583.82
totalcritical4.0306.42322.01210.3176.0247.12255.78
less stable60.9795.15150.6435.6835.6964.16441.92
stable124.33152.43141.9438.8855.1651.37563.82
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162734/149113

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand stability %± %± %±
AGcritical......
less stable66.727.336.44.437.24.4
stable33.327.363.64.462.84.4
total100.0.100.0.100.0.
AIcritical......
less stable40.015.820.018.433.312.5
stable60.015.780.018.466.712.5
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.
BEcritical4.61.45.11.44.81.0
less stable39.33.345.53.142.62.3
stable56.23.449.53.152.62.3
total100.0.100.0.100.0.
BL/BScritical......
less stable50.015.935.37.938.47.1
stable50.015.964.77.961.67.2
total100.0.100.0.100.0.
FRcritical..7.73.34.52.0
less stable53.37.544.66.248.24.8
stable46.77.547.76.247.34.8
total100.0.100.0.100.0.
GEcritical......
less stable..41.923.741.923.7
stable..58.123.758.123.7
total..100.0.100.0.
GLcritical7.75.313.38.99.84.7
less stable57.79.746.713.053.77.9
stable34.69.440.012.836.67.6
total100.0.100.0.100.0.
GRcritical5.21.44.41.64.91.1
less stable40.63.136.33.839.02.4
stable54.23.159.33.956.22.5
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.
LUcritical18.28.36.82.58.82.5
less stable54.510.636.74.839.94.4
stable27.39.556.54.951.44.5
total100.0.100.0.100.0.
NEcritical......
less stable28.612.132.55.631.95.1
stable71.412.167.55.668.15.1
total100.0.100.0.100.0.
NWcritical......
less stable57.119.080.012.870.611.2
stable42.919.120.012.929.411.3
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.
SGcritical4.82.31.91.93.71.6
less stable54.75.443.46.850.44.3
stable40.55.454.76.946.04.3
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 stable100.0.32.55.437.35.3
stable..66.25.461.45.4
total100.0.100.0.100.0.
SZcritical12.55.33.23.28.43.3
less stable45.07.945.29.045.15.9
stable42.57.851.69.046.56.0
total100.0.100.0.100.0.
TGcritical..3.32.32.82.0
less stable40.015.640.36.440.25.9
stable60.015.656.46.456.95.9
total100.0.100.0.100.0.
TIcritical7.01.74.73.36.71.5
less stable56.33.348.98.055.33.0
stable36.73.246.48.038.13.0
total100.0.100.0.100.0.
URcritical10.75.914.09.211.85.0
less stable39.69.346.713.042.17.6
stable49.89.539.312.646.17.6
total100.0.100.0.100.0.
VDcritical9.34.03.11.34.51.3
less stable48.16.829.23.333.43.0
stable42.66.767.63.462.13.1
total100.0.100.0.100.0.
VScritical11.32.213.14.311.71.9
less stable47.13.422.95.441.73.0
stable41.53.464.06.146.63.0
total100.0.100.0.100.0.
ZGcritical......
less stable44.417.1..30.813.2
stable55.617.0100.0.69.213.3
total100.0.100.0.100.0.
ZHcritical25.021.73.61.64.21.7
less stable50.025.134.54.035.04.0
stable25.021.761.94.160.84.1
total100.0.100.0.100.0.
Switzerlandcritical6.70.74.00.55.20.4
less stable47.01.437.31.241.70.9
stable46.31.458.71.253.10.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162735/149114

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical......
less stable0.87017.31218.112
stable0.410030.2730.67
total1.25747.5348.72
AIcritical......
less stable1.3450.31001.639
stable1.9341.3453.222
total3.2211.6394.811
ARcritical0.3100..0.3100
less stable0.6692.6303.225
stable2.2332.2334.518
total3.2254.8178.05
BEcritical3.4314.4277.920
less stable29.41039.7869.16
stable42.1843.2885.35
total75.0587.35162.32
BL/BScritical......
less stable2.0435.3247.319
stable2.0439.71611.713
total4.12915.01019.16
FRcritical..1.9441.944
less stable9.01910.81619.810
stable7.92011.61619.411
total16.81224.3941.13
GEcritical......
less stable..0.9650.965
stable..1.3541.354
total..2.2342.234
GLcritical0.8700.8701.549
less stable5.8222.7368.517
stable3.5312.3395.822
total10.0145.82215.88
GRcritical4.5272.4386.922
less stable35.6919.81355.57
stable47.5732.4979.95
total87.6554.77142.33
JUcritical..1.6491.649
less stable3.9308.51912.415
stable7.82012.11519.99
total11.71522.2833.93
LUcritical1.3492.2373.529
less stable3.82811.91415.711
stable1.94018.31020.29
total6.92032.4539.33
NEcritical......
less stable1.3497.4198.717
stable3.23015.41018.78
total4.52522.9627.44
NWcritical......
less stable1.5463.1294.620
stable1.2550.8691.940
total2.7323.8246.513
OWcritical1.157..1.157
less stable6.4203.0339.315
stable2.2396.3218.616
total9.7149.31519.04
SGcritical1.4500.41001.844
less stable16.6138.31924.910
stable12.31610.51722.810
total30.4819.21249.54
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..19.3919.39
total2.34029.1531.44
SZcritical1.8440.41002.240
less stable6.5215.12511.614
stable6.2225.82311.914
total14.51211.21425.75
TGcritical..0.6700.670
less stable1.2497.2178.415
stable1.83910.21311.911
total3.03018.0621.04
TIcritical5.7240.7716.423
less stable46.276.82253.07
stable30.1106.52336.59
total82.0413.91595.94
URcritical1.0570.7711.744
less stable3.7292.4376.021
stable4.6242.0396.619
total9.3155.02414.311
VDcritical1.9442.3404.230
less stable9.91921.31231.19
stable8.72049.2757.96
total20.51272.7493.23
VScritical8.2202.73511.017
less stable34.394.82639.18
stable30.2913.41543.67
total72.7521.01293.73
ZGcritical......
less stable1.744..1.744
stable2.1371.7443.921
total3.9211.7445.69
ZHcritical0.41001.8442.140
less stable0.77016.91217.612
stable0.410030.3730.77
total1.44949.0350.42
Switzerlandcritical31.91023.51255.38
less stable224.44218.94443.32
stable220.94344.53565.42
total477.12586.821064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162736/149115

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
inside perimetercritical1.01.02.01.96.81.48.41.15.91.46.70.7
less stable35.04.741.16.947.22.946.02.053.53.046.81.4
stable64.14.756.96.945.92.845.52.040.62.946.51.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.50.82.50.66.91.66.61.45.63.24.10.5
less stable31.22.237.32.045.23.138.42.845.27.037.31.2
stable66.32.360.22.047.93.155.12.849.27.058.61.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.20.62.50.66.91.17.80.95.91.35.20.4
less stable31.92.037.61.946.32.143.51.652.22.741.60.9
stable65.92.059.91.946.82.148.71.741.92.753.10.9
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 #162737/149116

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 perimetercritical0.41000.41007.62117.6146.02431.910
less stable13.1167.42252.3796.2554.27223.13
stable24.11210.21850.8795.1541.18221.34
total37.6917.914110.74208.93101.34476.32
outside of perimetercritical4.0305.3266.5236.9221.05823.712
less stable49.3877.7642.5840.698.120218.24
stable104.84125.5445.0858.278.920342.43
total158.13208.4294.15105.8518.013584.32
totalcritical4.4295.62514.11624.6127.02255.78
less stable62.4685.0594.85136.7462.36441.32
stable128.93135.7395.95153.3450.07563.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162738/149117

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %± %±
inside perimetercritical1.30.97.01.57.31.811.32.26.21.75.91.46.70.7
less stable37.03.949.32.947.53.547.13.440.23.553.53.046.91.4
stable61.73.943.72.945.23.541.53.453.63.640.62.946.41.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.50.57.51.75.32.013.14.34.11.65.63.24.00.5
less stable34.71.549.63.341.84.322.95.436.54.045.27.037.41.2
stable62.81.543.03.352.94.464.06.159.44.149.27.058.51.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.40.47.21.16.51.311.71.95.31.25.91.35.20.4
less stable35.01.449.42.245.32.741.73.038.62.652.22.741.70.9
stable62.61.443.42.248.22.746.63.056.12.741.92.753.10.9
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 #162739/149118

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 perimetercritical0.7717.6215.2258.2204.2286.02431.910
less stable20.41353.4733.7934.3927.41054.27223.34
stable34.01047.2832.1930.2936.5941.18221.14
total55.18108.2470.9572.7568.25101.34476.32
outside of perimetercritical9.3196.1242.4382.7352.1411.05823.712
less stable127.3540.7919.1134.82618.6138.120218.74
stable230.4335.3924.21113.41530.2108.920342.43
total367.0182.2545.7721.01250.9718.013584.82
totalcritical10.01913.7167.62111.0176.3237.02255.68
less stable147.7494.1552.8739.1846.0762.36442.02
stable264.3282.6556.3643.6766.8650.07563.52
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162740/149119

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionstand stability %± %± %±
Western Juracritical1.11.12.70.92.40.7
less stable33.75.029.92.530.72.3
stable65.25.167.42.666.92.3
total100.0.100.0.100.0.
Eastern Juracritical..1.91.31.71.2
less stable42.913.335.34.736.24.4
stable57.113.262.84.762.14.5
total100.0.100.0.100.0.
Western Plateaucritical..2.91.72.61.5
less stable25.312.736.14.735.04.5
stable74.712.761.04.862.44.5
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 Plateaucritical5.95.72.10.82.30.9
less stable58.811.936.42.837.72.8
stable35.311.661.52.960.12.8
total100.0.100.0.100.0.
Western Pre-Alpscritical4.42.59.34.46.32.3
less stable48.46.153.57.650.44.8
stable47.26.137.17.443.34.7
total100.0.100.0.100.0.
Central Pre-Alpscritical9.32.68.12.48.71.7
less stable48.84.445.24.347.03.1
stable41.94.446.74.344.33.1
total100.0.100.0.100.0.
Eastern Pre-Alpscritical5.52.23.62.14.71.5
less stable44.54.741.05.443.03.6
stable50.04.855.45.552.33.6
total100.0.100.0.100.0.
Northwestern Alpscritical5.82.34.02.85.21.8
less stable50.54.957.97.052.94.0
stable43.74.938.16.941.94.0
total100.0.100.0.100.0.
Central Alpscritical10.85.17.75.29.53.7
less stable40.78.144.59.642.36.2
stable48.58.247.99.648.26.3
total100.0.100.0.100.0.
Northeastern Alpscritical8.63.79.16.28.73.2
less stable56.96.540.910.552.55.6
stable34.56.350.010.738.75.5
total100.0.100.0.100.0.
Southwestern Alpscritical11.32.213.14.311.71.9
less stable47.13.422.95.441.73.0
stable41.53.464.06.146.63.0
total100.0.100.0.100.0.
Southeastern Alpscritical6.21.74.11.65.31.2
less stable40.23.536.54.038.62.6
stable53.63.659.44.156.12.7
total100.0.100.0.100.0.
Southern Alpscritical5.91.45.63.25.91.3
less stable53.53.045.27.052.22.7
stable40.62.949.27.041.92.7
total100.0.100.0.100.0.
Switzerlandcritical6.70.74.00.55.20.4
less stable46.91.437.41.241.60.9
stable46.41.458.61.253.10.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162741/149120

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 stable10.71835.0945.78
stable20.71278.9599.64
total31.810117.13148.92
Eastern Juracritical..0.8700.870
less stable2.44014.61417.012
stable3.23426.0929.28
total5.52541.5447.03
Western Plateaucritical..1.2571.257
less stable1.25715.21416.513
stable3.63325.8929.48
total4.92842.3547.24
Central Plateaucritical..1.9401.940
less stable2.53524.2926.79
stable4.32635.8740.16
total6.82061.9368.72
Eastern Plateaucritical0.41002.1412.537
less stable3.63137.9841.58
stable2.14164.0566.15
total6.124104.02110.12
Western Pre-Alpscritical1.1571.5492.637
less stable12.2158.51920.710
stable11.9155.92417.812
total25.2915.91341.14
Central Pre-Alpscritical4.3283.9308.220
less stable22.61121.91144.57
stable19.41222.61142.07
total46.3748.4794.72
Eastern Pre-Alpscritical2.1401.1573.233
less stable17.51312.11629.69
stable19.61216.41336.17
total39.3729.6968.93
Northwestern Alpscritical2.1400.7712.935
less stable18.61210.41728.99
stable16.1136.82222.911
total36.8717.91354.74
Central Alpscritical1.4490.7712.140
less stable5.2244.2289.317
stable6.2224.52610.715
total12.7139.31722.18
Northeastern Alpscritical1.8440.7702.537
less stable11.8153.23215.013
stable7.2213.92911.116
total20.8107.91928.76
Southwestern Alpscritical8.2202.73511.017
less stable34.394.82639.18
stable30.2913.41543.67
total72.7521.01293.73
Southeastern Alpscritical4.2282.1416.323
less stable27.41018.61346.07
stable36.5930.21066.86
total68.2550.97119.03
Southern Alpscritical6.0241.0587.022
less stable54.278.12062.36
stable41.188.92050.07
total101.3418.013119.33
Switzerlandcritical32.01023.71255.88
less stable224.14218.84442.92
stable222.14343.13565.32
total478.22585.721063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162742/149121

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 NFI1/NFI2/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%....1.90.60.50.5..1.00.61.00.3
21-40%1.01.0..4.40.94.71.57.82.21.70.83.70.5
41-60%2.81.61.31.313.21.529.23.335.33.98.71.715.41.0
61-80%22.64.122.84.729.72.037.03.536.03.928.22.630.11.2
over 80%73.64.376.04.850.82.228.63.320.93.360.32.949.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0-20%1.90.71.30.40.90.51.81.80.80.8..1.30.3
21-40%1.40.62.00.64.81.112.84.514.03.21.91.83.70.5
41-60%9.31.45.30.920.02.130.96.229.74.224.35.912.80.8
61-80%25.82.120.51.635.02.536.46.542.34.527.86.127.31.1
over 80%61.62.470.91.839.42.618.15.213.13.146.16.854.91.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.10.41.50.40.80.60.40.40.90.51.20.2
21-40%1.30.51.80.54.50.76.51.610.61.91.70.73.70.3
41-60%8.01.24.90.815.91.229.62.932.82.811.11.713.90.6
61-80%25.11.920.81.531.81.636.83.138.72.928.22.428.60.8
over 80%64.02.171.41.746.21.726.32.817.52.358.12.752.60.9
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 #162743/149122

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 NFI1/NFI2/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%....3.5310.3100..1.1585.027
21-40%0.4100..8.2213.1334.2281.84517.714
41-60%1.1580.410024.81219.21219.1138.92073.57
61-80%8.6206.42356.0724.31119.41229.210143.95
over 80%28.11121.21295.7518.81211.31762.36237.43
total38.2927.911188.4365.7554.16103.24477.52
outside of perimeter0-20%2.9352.8351.1580.31000.4100..7.522
21-40%2.2414.6286.0242.4386.0240.410021.613
41-60%14.11512.01725.2125.82412.7164.72774.57
61-80%38.9946.3844.286.92218.0135.325159.64
over 80%92.95160.2349.783.4315.6258.820320.63
total151.03226.02126.2418.91342.6819.213583.82
total0-20%2.9352.8354.6280.7710.41001.15812.417
21-40%2.5384.62814.3165.52510.2182.14139.39
41-60%15.11512.41750.1825.01031.8913.616148.05
61-80%47.6852.77100.2531.1937.5834.59303.63
over 80%121.04181.43145.4422.21116.91471.15558.12
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162744/149123

NFI4b

forest area: protection forest perimeter SilvaProtect · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%..1.71.21.71.2
21-40%..4.21.94.11.8
41-60%..5.12.05.02.0
61-80%33.327.313.63.214.03.2
over 80%66.727.375.44.075.23.9
total100.0.100.0.100.0.
AI0-20%......
21-40%......
41-60%10.09.8..6.76.6
61-80%40.015.8..26.711.8
over 80%50.016.1100.0.66.712.5
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%2.71.11.20.71.90.6
21-40%6.01.61.60.83.60.9
41-60%11.92.29.81.910.81.4
61-80%30.13.131.42.930.82.1
over 80%49.33.456.13.152.92.3
total100.0.100.0.100.0.
BL/BS0-20%..2.72.72.12.1
21-40%......
41-60%10.09.62.72.74.33.0
61-80%10.09.68.14.58.54.1
over 80%80.012.686.45.785.05.3
total100.0.100.0.100.0.
FR0-20%......
21-40%2.12.14.62.63.61.8
41-60%13.35.115.44.514.63.4
61-80%37.87.323.15.329.14.4
over 80%46.77.556.96.252.74.8
total100.0.100.0.100.0.
GE0-20%......
21-40%......
41-60%......
61-80%......
over 80%..100.0.100.0.
total..100.0.100.0.
GL0-20%3.83.8..2.42.4
21-40%3.83.813.38.97.34.1
41-60%7.75.36.76.57.34.1
61-80%11.56.326.711.517.15.9
over 80%73.18.753.313.065.97.5
total100.0.100.0.100.0.
GR0-20%0.40.40.60.60.50.3
21-40%5.21.410.82.57.41.3
41-60%30.72.930.63.730.72.3
61-80%36.73.041.53.938.52.4
over 80%27.12.816.53.023.02.1
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%4.54.51.91.42.41.4
21-40%..1.01.00.80.8
41-60%13.67.315.53.615.23.2
61-80%18.28.338.94.835.24.3
over 80%63.610.342.74.946.44.5
total100.0.100.0.100.0.
NE0-20%..1.71.71.41.4
21-40%......
41-60%7.16.99.83.59.43.2
61-80%42.913.332.55.634.25.2
over 80%50.013.456.05.955.05.4
total100.0.100.0.100.0.
NW0-20%......
21-40%......
41-60%..10.09.75.95.8
61-80%14.313.530.014.823.510.5
over 80%85.713.260.015.870.611.3
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%..1.91.80.70.7
21-40%3.62.07.53.65.11.9
41-60%9.53.213.24.710.92.7
61-80%22.64.624.55.923.43.6
over 80%64.35.252.96.959.94.2
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%..16.94.315.74.0
over 80%100.0.77.94.879.54.5
total100.0.100.0.100.0.
SZ0-20%......
21-40%5.03.56.54.45.62.8
41-60%5.03.535.58.618.34.6
61-80%25.06.922.67.624.05.1
over 80%65.07.535.58.652.16.0
total100.0.100.0.100.0.
TG0-20%..3.32.32.82.0
21-40%..1.71.71.41.4
41-60%..3.32.32.82.0
61-80%20.012.721.65.321.34.9
over 80%80.012.670.15.971.55.4
total100.0.100.0.100.0.
TI0-20%0.90.6..0.70.5
21-40%2.21.02.62.52.20.9
41-60%5.31.520.76.57.51.6
61-80%25.32.925.77.025.42.7
over 80%66.43.151.08.064.22.9
total100.0.100.0.100.0.
UR0-20%3.63.5..2.32.3
21-40%7.14.9..4.63.2
41-60%14.26.628.011.819.16.1
61-80%21.37.839.312.627.66.8
over 80%53.89.532.712.146.47.7
total100.0.100.0.100.0.
VD0-20%..2.11.01.60.8
21-40%1.91.83.61.33.21.1
41-60%7.43.612.52.411.42.0
61-80%25.96.029.23.328.42.9
over 80%64.96.552.73.655.33.2
total100.0.100.0.100.0.
VS0-20%0.50.51.61.60.70.5
21-40%4.31.413.24.36.31.5
41-60%27.43.127.95.827.52.7
61-80%36.33.336.16.236.22.9
over 80%31.63.221.25.229.32.8
total100.0.100.0.100.0.
ZG0-20%11.110.8..7.77.7
21-40%......
41-60%11.110.825.022.415.410.4
61-80%22.214.3..15.410.4
over 80%55.617.075.022.461.514.0
total100.0.100.0.100.0.
ZH0-20%......
21-40%..2.91.42.81.4
41-60%..3.61.63.51.5
61-80%50.025.121.63.522.43.5
over 80%50.025.171.93.871.33.8
total100.0.100.0.100.0.
Switzerland0-20%1.00.31.30.31.20.2
21-40%3.70.53.70.53.70.3
41-60%15.31.012.70.813.90.6
61-80%30.01.226.91.128.30.8
over 80%49.91.355.41.252.90.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162745/149124

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 NFI1/NFI2/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%0.87035.8636.66
total1.25747.5348.72
AI0-20%......
21-40%......
41-60%0.3100..0.3100
61-80%1.345..1.345
over 80%1.6391.6393.222
total3.2211.6394.811
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%4.5281.4505.924
41-60%9.0198.52017.513
61-80%22.61227.41049.97
over 80%36.9948.9785.95
total75.0587.35162.32
BL/BS0-20%..0.41000.4100
21-40%......
41-60%0.41000.41000.870
61-80%0.41001.2571.649
over 80%3.33313.01216.29
total4.12915.01019.16
FR0-20%......
21-40%0.41001.1571.550
41-60%2.2403.7306.023
61-80%6.4235.62412.015
over 80%7.92013.81421.710
total16.81224.3941.13
GE0-20%......
21-40%......
41-60%......
61-80%......
over 80%..2.2342.234
total..2.2342.234
GL0-20%0.4100..0.4100
21-40%0.41000.8701.257
41-60%0.8700.41001.257
61-80%1.2571.5492.736
over 80%7.3193.13310.414
total10.0145.82215.88
GR0-20%0.31000.31000.771
21-40%4.5275.92410.518
41-60%26.91116.71443.68
61-80%32.11022.71254.87
over 80%23.7119.01932.79
total87.6554.77142.33
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%1.34912.61413.913
over 80%4.42513.91318.310
total6.92032.4539.33
NE0-20%..0.41000.4100
21-40%......
41-60%0.31002.2372.634
61-80%1.9407.4199.416
over 80%2.23712.81215.110
total4.52522.9627.44
NW0-20%......
21-40%......
41-60%..0.41000.4100
61-80%0.41001.2551.546
over 80%2.3362.3364.620
total2.7323.8246.513
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%2.9352.5375.425
61-80%6.9224.72711.616
over 80%19.51110.11729.78
total30.4819.21249.54
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%2.34022.7825.06
total2.34029.1531.44
SZ0-20%......
21-40%0.7700.7701.449
41-60%0.7704.0284.726
61-80%3.6302.5366.222
over 80%9.4164.02813.412
total14.51211.21425.75
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%0.6703.9254.523
over 80%2.43412.61115.09
total3.03018.0621.04
TI0-20%0.771..0.771
21-40%1.8440.41002.141
41-60%4.3292.9357.222
61-80%20.7123.63124.311
over 80%54.467.12261.56
total82.0413.91595.94
UR0-20%0.3100..0.3100
21-40%0.770..0.770
41-60%1.3491.4502.735
61-80%2.0392.0394.027
over 80%5.0241.7446.620
total9.3155.02414.311
VD0-20%..1.5501.550
21-40%0.41002.6383.035
41-60%1.5509.12010.618
61-80%5.32621.21226.511
over 80%13.31638.3851.66
total20.51272.7493.23
VS0-20%0.31000.31000.771
21-40%3.1332.8355.924
41-60%19.9125.82425.810
61-80%26.4107.62134.09
over 80%23.0114.52727.410
total72.7521.01293.73
ZG0-20%0.4100..0.4100
21-40%......
41-60%0.41000.41000.968
61-80%0.968..0.968
over 80%2.1371.3533.425
total3.9211.7445.69
ZH0-20%......
21-40%..1.4491.449
41-60%..1.8441.844
61-80%0.77010.61611.316
over 80%0.77035.2636.06
total1.44949.0350.42
Switzerland0-20%4.9277.52212.517
21-40%17.51421.91339.49
41-60%73.0774.57147.55
61-80%143.45158.04301.43
over 80%238.33324.93563.22
total477.12586.821064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162746/149125

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 NFI1/NFI2/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%....1.00.61.30.51.00.61.00.3
21-40%1.01.0..3.91.15.30.91.70.83.70.5
41-60%2.91.72.01.910.11.724.81.88.41.615.31.0
61-80%21.44.021.65.831.92.732.41.928.32.730.21.2
over 80%74.84.376.55.953.12.936.12.060.52.949.81.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0-20%1.80.61.30.51.10.70.70.5..1.30.3
21-40%1.40.62.20.63.11.110.91.82.01.93.70.5
41-60%7.61.35.91.018.02.427.92.619.75.612.70.8
61-80%24.02.121.61.733.72.937.32.829.56.427.31.1
over 80%65.12.369.01.944.13.123.32.448.87.055.01.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.20.41.10.41.10.30.90.51.20.2
21-40%1.30.52.00.63.50.87.20.91.80.73.70.3
41-60%6.71.15.60.913.71.425.91.510.11.613.90.6
61-80%23.51.821.61.632.72.034.11.628.52.528.60.8
over 80%67.02.069.61.848.92.131.81.558.72.752.70.9
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 #162747/149126

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 NFI1/NFI2/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%....1.1582.8351.1584.927
21-40%0.4100..4.32911.1171.84517.614
41-60%1.1580.410011.21851.988.52073.07
61-80%8.0213.93035.3967.8728.710143.65
over 80%28.11113.71658.8775.3661.26237.13
total37.6917.914110.74208.93101.34476.32
outside of perimeter0-20%2.9352.8351.1580.771..7.522
21-40%2.2414.6272.93511.5170.410021.513
41-60%12.01712.31616.91429.5113.63174.37
61-80%38.0945.0831.71039.495.325159.44
over 80%103.04143.7341.5824.6128.820321.63
total158.13208.4294.15105.8518.013584.32
total0-20%2.9352.8352.2413.5321.15812.417
21-40%2.5384.6277.22222.6122.14139.09
41-60%13.11612.61628.11181.4612.117147.45
61-80%46.0848.8867.06107.2534.09303.13
over 80%131.13157.43100.25100.0570.05558.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162748/149127

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 NFI1/NFI2/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%..2.30.91.50.80.50.5..1.00.61.00.3
21-40%0.70.74.71.24.11.44.31.46.71.81.70.83.70.5
41-60%2.61.313.01.99.32.027.43.133.53.48.41.615.41.0
61-80%21.43.332.72.724.43.036.33.335.63.428.32.730.21.2
over 80%75.33.547.32.960.83.431.63.224.23.160.52.949.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0-20%1.60.40.90.60.80.81.61.60.70.7..1.30.3
21-40%1.90.43.51.26.12.113.24.311.72.72.01.93.70.5
41-60%6.60.820.22.717.73.427.95.831.73.919.75.612.80.8
61-80%22.61.338.23.224.93.836.16.241.54.129.56.427.31.1
over 80%67.31.537.33.250.54.421.25.214.42.948.87.055.01.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.40.31.70.61.20.60.70.50.30.30.90.51.20.2
21-40%1.70.44.20.94.91.26.31.58.81.51.80.73.70.3
41-60%6.10.716.11.612.61.827.52.732.72.610.11.613.90.6
61-80%22.51.235.02.124.62.336.22.938.12.628.52.528.60.8
over 80%68.41.443.02.256.82.729.32.820.02.258.72.752.60.9
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 #162749/149128

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 NFI1/NFI2/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%..2.5381.0580.3100..1.1585.027
21-40%0.41005.1272.9363.1334.6271.84517.814
41-60%1.45014.1166.62219.91222.8118.52073.47
61-80%11.81735.3917.31326.41024.31128.710143.75
over 80%41.5951.2743.1823.01116.51461.26236.53
total55.18108.2470.9572.7568.25101.34476.32
outside of perimeter0-20%5.7250.7710.41000.31000.4100..7.522
21-40%6.8232.9352.8352.8356.0240.410021.513
41-60%24.31216.6148.1215.82416.1143.63174.67
61-80%83.0631.41011.4177.62121.1125.325159.74
over 80%247.1330.71023.1114.5277.3218.820321.53
total367.0182.2545.7721.01250.9718.013584.82
total0-20%5.7253.2331.4500.7710.41001.15812.517
21-40%7.2227.9215.7255.92410.5182.14139.39
41-60%25.81130.71014.71525.71039.0812.117147.95
61-80%94.8666.7628.71034.0945.4734.09303.43
over 80%288.6281.9566.2527.41023.81170.05558.02
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162750/149129

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 NFI1/NFI2/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%1.21.21.50.71.50.6
41-60%2.31.68.81.67.41.3
61-80%23.64.526.92.526.22.2
over 80%73.04.761.22.763.72.4
total100.0.100.0.100.0.
Eastern Jura0-20%..2.91.62.51.4
21-40%..1.01.00.80.8
41-60%7.16.93.81.94.21.8
61-80%7.16.915.33.514.33.2
over 80%85.79.377.14.178.13.8
total100.0.100.0.100.0.
Western Plateau0-20%..2.91.72.61.5
21-40%..2.01.41.71.2
41-60%..10.73.19.62.8
61-80%33.713.724.24.225.24.1
over 80%66.313.760.24.860.84.6
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%..3.11.02.91.0
41-60%..4.11.23.91.1
61-80%17.69.319.22.319.22.2
over 80%82.49.272.92.673.42.5
total100.0.100.0.100.0.
Western Pre-Alps0-20%1.51.5..0.90.9
21-40%7.33.27.03.97.22.5
41-60%19.14.823.36.520.73.9
61-80%30.95.627.96.929.84.4
over 80%41.26.041.87.541.44.7
total100.0.100.0.100.0.
Central Pre-Alps0-20%0.80.81.51.01.10.7
21-40%3.11.51.51.02.30.9
41-60%7.82.419.33.413.62.1
61-80%37.24.341.54.239.43.0
over 80%51.24.436.34.143.63.1
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%0.90.91.21.21.00.7
21-40%2.71.63.62.03.11.3
41-60%7.32.513.33.79.82.1
61-80%26.44.224.14.725.43.1
over 80%62.74.657.85.460.63.5
total100.0.100.0.100.0.
Northwestern Alps0-20%4.92.1..3.31.4
21-40%4.92.16.03.45.21.8
41-60%15.63.620.05.717.03.0
61-80%28.24.437.96.931.43.8
over 80%46.64.936.16.843.24.0
total100.0.100.0.100.0.
Central Alps0-20%2.72.7..1.61.6
21-40%5.43.73.73.64.72.6
41-60%10.85.133.79.220.55.1
61-80%18.96.529.48.823.35.3
over 80%62.28.033.19.149.96.3
total100.0.100.0.100.0.
Northeastern Alps0-20%1.71.7..1.21.2
21-40%5.22.918.28.38.83.2
41-60%12.14.313.67.312.53.7
61-80%24.15.622.79.023.84.8
over 80%56.96.545.510.753.75.6
total100.0.100.0.100.0.
Southwestern Alps0-20%0.50.51.61.60.70.5
21-40%4.31.413.24.36.31.5
41-60%27.43.127.95.827.52.7
61-80%36.33.336.16.236.22.9
over 80%31.63.221.25.229.32.8
total100.0.100.0.100.0.
Southeastern Alps0-20%..0.70.70.30.3
21-40%6.71.811.72.78.81.5
41-60%33.53.431.73.932.72.6
61-80%35.63.441.54.138.12.6
over 80%24.23.114.42.920.02.2
total100.0.100.0.100.0.
Southern Alps0-20%1.00.6..0.90.5
21-40%1.70.82.01.91.80.7
41-60%8.41.619.75.610.11.6
61-80%28.32.729.56.428.52.5
over 80%60.52.948.87.058.72.7
total100.0.100.0.100.0.
Switzerland0-20%1.00.31.30.31.20.2
21-40%3.70.53.70.53.70.3
41-60%15.41.012.80.813.90.6
61-80%30.21.227.31.128.60.8
over 80%49.71.355.01.252.60.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162751/149130

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 NFI1/NFI2/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%0.41001.8452.241
41-60%0.77110.41811.117
61-80%7.52131.41038.98
over 80%23.21171.7594.94
total31.810117.13148.92
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%4.72832.0736.76
total5.52541.5447.03
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..4.5294.529
61-80%1.64910.21811.917
over 80%3.23525.4928.78
total4.92842.3547.24
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%1.15820.01221.112
over 80%5.02675.8480.84
total6.124104.02110.12
Western Pre-Alps0-20%0.4100..0.4100
21-40%1.8441.1572.935
41-60%4.8273.7308.519
61-80%7.8204.42812.215
over 80%10.4176.72217.012
total25.2915.91341.14
Central Pre-Alps0-20%0.41000.7711.158
21-40%1.4500.7712.241
41-60%3.6319.31912.916
61-80%17.21320.11237.38
over 80%23.71117.61341.27
total46.3748.4794.72
Eastern Pre-Alps0-20%0.41000.41000.771
21-40%1.1571.1582.141
41-60%2.9353.9296.822
61-80%10.4177.12117.513
over 80%24.61017.11341.86
total39.3729.6968.93
Northwestern Alps0-20%1.844..1.844
21-40%1.8441.1572.935
41-60%5.7243.6319.318
61-80%10.4176.82217.113
over 80%17.1136.52323.610
total36.8717.91354.74
Central Alps0-20%0.3100..0.3100
21-40%0.7700.31001.057
41-60%1.4493.2334.527
61-80%2.4372.7345.224
over 80%7.9193.13211.015
total12.7139.31722.18
Northeastern Alps0-20%0.4100..0.4100
21-40%1.1581.4492.537
41-60%2.5371.1573.631
61-80%5.0251.8446.821
over 80%11.8153.63015.412
total20.8107.91928.76
Southwestern Alps0-20%0.31000.31000.771
21-40%3.1332.8355.924
41-60%19.9125.82425.710
61-80%26.4107.62134.09
over 80%23.0114.52727.410
total72.7521.01293.73
Southeastern Alps0-20%..0.41000.4100
21-40%4.6276.02410.518
41-60%22.81116.11439.08
61-80%24.31121.11245.47
over 80%16.5147.32123.811
total68.2550.97119.03
Southern Alps0-20%1.158..1.158
21-40%1.8450.41002.141
41-60%8.5203.63112.117
61-80%28.7105.32534.09
over 80%61.268.82070.05
total101.3418.013119.33
Switzerland0-20%5.0277.62212.617
21-40%17.71421.71339.49
41-60%73.6774.87148.35
61-80%144.35159.64303.93
over 80%237.73321.92559.62
total478.22585.721063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162752/149131
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