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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · 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
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha0.7710.41000.41007.3222.83511.617
20-39 m2/ha2.241..1.4505.2265.02613.816
40-59 m2/ha0.4100..1.1585.5252.1419.120
from 60 m2/ha......3.1330.41003.532
total3.3330.41002.93521.11210.31837.99
outside perimeterto 19 m2/ha43.8869.9644.3883.6632.210273.93
20-39 m2/ha98.6591.7567.46115.5547.07420.22
40-59 m2/ha42.7850.6762.4769.2623.411248.23
from 60 m2/ha7.32213.71627.81125.3116.42380.46
total192.42225.91201.82293.52109.041022.71
totalto 19 m2/ha44.5870.3644.7890.9635.19285.43
20-39 m2/ha100.8491.7568.86120.7552.07434.02
40-59 m2/ha43.1850.6763.4674.7625.511257.43
from 60 m2/ha7.32213.71627.81128.4116.72283.96
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163369/149749

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · 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
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha30.014.517.69.327.39.546.010.233.319.327.58.330.44.4
20-39 m2/ha59.915.541.211.913.67.329.19.333.319.348.29.336.34.6
40-59 m2/ha10.19.629.411.136.410.320.88.316.715.220.87.624.14.1
from 60 m2/ha..11.87.822.78.94.24.116.715.23.43.49.22.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha27.31.325.61.919.62.333.83.026.42.429.62.626.80.8
20-39 m2/ha45.41.536.02.134.52.736.53.141.12.743.12.841.10.9
40-59 m2/ha22.31.227.82.029.42.621.72.625.32.421.42.324.20.8
from 60 m2/ha5.00.610.61.416.52.18.01.77.21.45.81.37.80.5
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 #163370/149750

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · 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
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha1.1581.1582.1413.8300.7712.83511.617
20-39 m2/ha2.1412.5381.0582.4370.7715.02613.816
40-59 m2/ha0.41001.8452.8351.7440.41002.1419.120
from 60 m2/ha..0.7711.7440.31000.41000.41003.532
total3.6326.1247.6218.2202.14110.31837.99
outside perimeterto 19 m2/ha114.1547.2821.41228.81030.81032.210274.73
20-39 m2/ha189.9366.4637.6831.2948.1747.07420.32
40-59 m2/ha93.4651.2732.1918.51329.51023.411248.13
from 60 m2/ha21.11319.51317.9136.9228.4206.42380.26
total418.51184.32109.1385.44116.93109.041023.21
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 #163371/149751

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees) %± %± %±
Western Jurato 19 m2/ha12.411.722.52.122.32.0
20-39 m2/ha74.615.549.42.549.92.5
40-59 m2/ha12.912.023.72.123.52.1
from 60 m2/ha..4.41.04.31.0
total100.0.100.0.100.0.
Eastern Jurato 19 m2/ha100.0.23.83.924.43.9
20-39 m2/ha..57.74.557.24.5
40-59 m2/ha..17.03.516.83.4
from 60 m2/ha..1.61.11.61.1
total100.0.100.0.100.0.
Western Plateauto 19 m2/ha..27.04.227.04.2
20-39 m2/ha..38.24.538.24.5
40-59 m2/ha..25.24.125.24.1
from 60 m2/ha..9.62.89.62.8
total..100.0.100.0.
Central Plateauto 19 m2/ha100.0.30.93.131.23.1
20-39 m2/ha..41.73.341.53.3
40-59 m2/ha..20.02.719.92.7
from 60 m2/ha..7.31.87.31.8
total100.0.100.0.100.0.
Eastern Plateauto 19 m2/ha..32.52.732.52.7
20-39 m2/ha..40.62.840.62.8
40-59 m2/ha..23.12.423.12.4
from 60 m2/ha..3.91.13.91.1
total..100.0.100.0.
Western Pre-Alpsto 19 m2/ha..26.44.226.14.2
20-39 m2/ha100.0.27.34.327.94.3
40-59 m2/ha..31.84.531.54.4
from 60 m2/ha..14.53.414.43.3
total100.0.100.0.100.0.
Central Pre-Alpsto 19 m2/ha25.021.723.82.623.92.6
20-39 m2/ha50.025.036.93.037.13.0
40-59 m2/ha25.021.728.82.828.82.8
from 60 m2/ha..10.41.910.21.9
total100.0.100.0.100.0.
Eastern Pre-Alpsto 19 m2/ha..16.82.716.62.7
20-39 m2/ha33.327.332.13.432.13.4
40-59 m2/ha66.727.333.23.433.73.4
from 60 m2/ha..17.92.817.62.7
total100.0.100.0.100.0.
Northwestern Alpsto 19 m2/ha16.710.828.43.827.53.6
20-39 m2/ha33.313.641.14.240.54.0
40-59 m2/ha33.313.622.73.523.53.4
from 60 m2/ha16.710.87.82.38.52.3
total100.0.100.0.100.0.
Central Alpsto 19 m2/ha10.09.516.75.115.74.6
20-39 m2/ha20.012.740.96.737.66.1
40-59 m2/ha30.014.631.36.331.15.8
from 60 m2/ha40.015.611.14.315.64.5
total100.0.100.0.100.0.
Northeastern Alpsto 19 m2/ha55.616.628.25.431.35.2
20-39 m2/ha..36.65.732.55.3
40-59 m2/ha33.315.818.34.620.04.5
from 60 m2/ha11.110.516.94.516.24.1
total100.0.100.0.100.0.
Southwestern Alpsto 19 m2/ha46.010.233.83.034.82.9
20-39 m2/ha29.19.336.53.135.92.9
40-59 m2/ha20.88.321.72.621.62.5
from 60 m2/ha4.24.18.01.77.71.6
total100.0.100.0.100.0.
Southeastern Alpsto 19 m2/ha33.319.326.42.426.52.4
20-39 m2/ha33.319.341.12.741.02.7
40-59 m2/ha16.715.225.32.425.12.4
from 60 m2/ha16.715.27.21.47.41.4
total100.0.100.0.100.0.
Southern Alpsto 19 m2/ha27.58.329.62.629.42.5
20-39 m2/ha48.29.343.12.843.62.7
40-59 m2/ha20.87.621.42.321.42.2
from 60 m2/ha3.43.45.81.35.61.3
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha30.54.426.80.826.90.8
20-39 m2/ha36.24.641.10.940.90.9
40-59 m2/ha24.14.124.30.824.30.8
from 60 m2/ha9.22.87.90.57.90.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163372/149752

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha0.410032.8933.29
20-39 m2/ha2.14172.1574.35
40-59 m2/ha0.410034.6935.09
from 60 m2/ha..6.4236.423
total2.935146.02148.92
Eastern Jurato 19 m2/ha0.410011.11711.516
20-39 m2/ha..26.9826.98
40-59 m2/ha..7.9217.921
from 60 m2/ha..0.7710.771
total0.410046.6347.03
Western Plateauto 19 m2/ha..12.71612.716
20-39 m2/ha..18.01218.012
40-59 m2/ha..11.91711.917
from 60 m2/ha..4.5294.529
total..47.2447.24
Central Plateauto 19 m2/ha0.310021.11021.510
20-39 m2/ha..28.5828.58
40-59 m2/ha..13.71413.714
from 60 m2/ha..5.0245.024
total0.310068.4268.72
Eastern Plateauto 19 m2/ha..35.7835.78
20-39 m2/ha..44.7744.77
40-59 m2/ha..25.41125.411
from 60 m2/ha..4.3284.328
total..110.12110.12
Western Pre-Alpsto 19 m2/ha..10.71710.717
20-39 m2/ha0.410011.11611.516
40-59 m2/ha..13.01513.015
from 60 m2/ha..5.9245.924
total0.410040.7441.14
Central Pre-Alpsto 19 m2/ha0.410022.21122.611
20-39 m2/ha0.77134.4935.18
40-59 m2/ha0.410026.91027.210
from 60 m2/ha..9.7189.718
total1.45093.2394.72
Eastern Pre-Alpsto 19 m2/ha..11.41611.416
20-39 m2/ha0.410021.81122.111
40-59 m2/ha0.77122.51123.210
from 60 m2/ha..12.11612.116
total1.15767.9368.93
Northwestern Alpsto 19 m2/ha0.77114.31415.014
20-39 m2/ha1.45020.71122.111
40-59 m2/ha1.45011.41612.915
from 60 m2/ha0.7713.9304.727
total4.32850.4554.74
Central Alpsto 19 m2/ha0.31003.1323.531
20-39 m2/ha0.7707.6198.318
40-59 m2/ha1.0575.8226.920
from 60 m2/ha1.4492.1403.430
total3.43018.61022.18
Northeastern Alpsto 19 m2/ha1.8447.2219.018
20-39 m2/ha..9.3179.317
40-59 m2/ha1.1574.7265.723
from 60 m2/ha0.41004.3274.726
total3.23225.4828.76
Southwestern Alpsto 19 m2/ha3.83028.81032.69
20-39 m2/ha2.43731.2933.69
40-59 m2/ha1.74418.51320.212
from 60 m2/ha0.31006.9227.221
total8.22085.4493.73
Southeastern Alpsto 19 m2/ha0.77130.81031.510
20-39 m2/ha0.77148.1748.87
40-59 m2/ha0.410029.51029.910
from 60 m2/ha0.41008.4208.819
total2.141116.93119.03
Southern Alpsto 19 m2/ha2.83532.21035.19
20-39 m2/ha5.02647.0752.07
40-59 m2/ha2.14123.41125.511
from 60 m2/ha0.41006.4236.722
total10.318109.04119.33
Switzerlandto 19 m2/ha11.617274.43286.03
20-39 m2/ha13.816421.52435.32
40-59 m2/ha9.220249.23258.43
from 60 m2/ha3.53180.7684.26
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163373/149753

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · 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
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetercritical....7.94.48.35.6..10.35.77.42.5
less stable55.516.650.035.442.18.045.710.250.020.458.59.249.14.8
stable44.516.650.035.450.08.146.010.250.020.431.18.643.54.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical2.10.62.50.67.00.912.52.26.31.55.31.35.20.4
less stable31.82.137.41.848.11.741.73.336.62.951.82.841.40.9
stable66.12.160.11.844.91.745.83.357.13.042.92.853.50.9
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 #163374/149754

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · 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
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical....1.1580.771..1.1582.835
less stable1.8450.41005.7253.8301.1586.12418.714
stable1.4500.41006.7233.8301.1583.23316.614
total3.2330.77113.5168.2202.14110.31838.19
outside perimetercritical4.0306.42321.0139.6186.0246.02452.98
less stable59.1794.85145.0431.8934.6958.06423.22
stable122.84152.13135.2435.0854.0648.17547.22
total185.92253.21301.1276.4494.63112.131023.21
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 #163375/149755

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability %± %± %±
AGcritical......
less stable..37.24.437.24.4
stable..62.84.462.84.4
total..100.0.100.0.
AIcritical......
less stable..33.312.533.312.5
stable..66.712.566.712.5
total..100.0.100.0.
ARcritical..4.04.04.04.0
less stable..40.010.040.010.0
stable..56.010.056.010.0
total..100.0.100.0.
BEcritical..5.01.04.81.0
less stable37.312.142.82.342.62.3
stable62.712.152.22.352.62.3
total100.0.100.0.100.0.
BL/BScritical......
less stable100.0.37.17.238.47.1
stable..62.97.261.67.2
total100.0.100.0.100.0.
FRcritical..4.52.04.52.0
less stable..48.24.848.24.8
stable..47.34.847.34.8
total..100.0.100.0.
GEcritical......
less stable..41.923.741.923.7
stable..58.123.758.123.7
total..100.0.100.0.
GLcritical14.313.38.84.99.84.7
less stable42.918.955.98.653.77.9
stable42.918.935.38.336.67.6
total100.0.100.0.100.0.
GRcritical6.66.44.81.14.91.1
less stable46.512.938.72.539.02.4
stable46.812.956.52.556.22.5
total100.0.100.0.100.0.
JUcritical..4.82.34.62.3
less stable33.327.436.85.336.75.2
stable66.727.358.45.458.75.3
total100.0.100.0.100.0.
LUcritical..8.82.58.82.5
less stable..39.94.439.94.4
stable..51.44.551.44.5
total..100.0.100.0.
NEcritical......
less stable..31.95.131.95.1
stable..68.15.168.15.1
total..100.0.100.0.
NWcritical......
less stable..75.010.970.611.2
stable100.0.25.011.129.411.3
total100.0.100.0.100.0.
OWcritical..6.13.55.93.3
less stable100.0.47.07.149.17.0
stable..46.87.245.07.0
total100.0.100.0.100.0.
SGcritical..3.81.73.71.6
less stable25.021.751.14.350.44.3
stable75.021.745.14.346.04.3
total100.0.100.0.100.0.
SHcritical..2.82.82.82.8
less stable..25.07.325.07.3
stable..72.27.472.27.4
total..100.0.100.0.
SOcritical..1.21.21.21.2
less stable100.0.35.85.437.35.3
stable..63.05.461.45.4
total100.0.100.0.100.0.
SZcritical..8.83.58.43.3
less stable33.327.445.66.145.15.9
stable66.727.345.66.146.56.0
total100.0.100.0.100.0.
TGcritical..2.82.02.82.0
less stable..40.25.940.25.9
stable..56.95.956.95.9
total..100.0.100.0.
TIcritical10.06.76.41.66.71.5
less stable65.010.754.53.255.33.0
stable25.09.739.13.138.13.0
total100.0.100.0.100.0.
URcritical25.015.48.94.911.85.0
less stable37.517.243.18.442.17.6
stable37.517.248.08.546.17.6
total100.0.100.0.100.0.
VDcritical..4.51.34.51.3
less stable100.0.32.83.033.43.0
stable..62.63.162.13.1
total100.0.100.0.100.0.
VScritical8.35.612.02.111.71.9
less stable45.710.241.33.141.73.0
stable46.010.246.63.246.63.0
total100.0.100.0.100.0.
ZGcritical......
less stable..30.813.230.813.2
stable..69.213.369.213.3
total..100.0.100.0.
ZHcritical..4.21.74.21.7
less stable..35.04.035.04.0
stable..60.84.160.84.1
total..100.0.100.0.
Switzerlandcritical7.32.55.10.45.20.4
less stable49.34.841.40.941.70.9
stable43.44.853.50.953.10.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163376/149756

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical......
less stable..18.11218.112
stable..30.6730.67
total..48.7248.72
AIcritical......
less stable..1.6391.639
stable..3.2223.222
total..4.8114.811
ARcritical..0.31000.3100
less stable..3.2253.225
stable..4.5184.518
total..8.058.05
BEcritical..7.9207.920
less stable2.14167.1669.16
stable3.43181.8585.35
total5.525156.82162.32
BL/BScritical......
less stable0.41006.9207.319
stable..11.71311.713
total0.410018.7719.16
FRcritical..1.9441.944
less stable..19.81019.810
stable..19.41119.411
total..41.1341.13
GEcritical......
less stable..0.9650.965
stable..1.3541.354
total..2.2342.234
GLcritical0.41001.2571.549
less stable1.2577.3198.517
stable1.2574.6265.822
total2.73613.11115.88
GRcritical0.31006.6236.922
less stable2.43853.0755.57
stable2.53877.5579.95
total5.226137.13142.33
JUcritical..1.6491.649
less stable0.410012.01512.415
stable0.87019.11019.99
total1.25732.7333.93
LUcritical..3.5293.529
less stable..15.71115.711
stable..20.2920.29
total..39.3339.33
NEcritical......
less stable..8.7178.717
stable..18.7818.78
total..27.4427.44
NWcritical......
less stable..4.6204.620
stable0.41001.5461.940
total0.41006.1146.513
OWcritical..1.1571.157
less stable0.7708.6169.315
stable..8.6168.616
total0.77018.3519.04
SGcritical..1.8441.844
less stable0.410024.61024.910
stable1.15721.71122.810
total1.45048.1549.54
SHcritical..0.41000.4100
less stable..3.2293.229
stable..9.3119.311
total..12.8312.83
SOcritical..0.41000.4100
less stable0.87011.01611.715
stable..19.3919.39
total0.87030.7431.44
SZcritical..2.2402.240
less stable0.410011.21511.614
stable0.77011.21411.914
total1.15724.6625.75
TGcritical..0.6700.670
less stable..8.4158.415
stable..11.91111.911
total..21.0421.04
TIcritical0.7715.7256.423
less stable4.72748.3753.07
stable1.84434.7936.59
total7.22288.7495.94
URcritical0.7701.0581.744
less stable1.0575.0246.021
stable1.0575.6216.619
total2.63411.71314.311
VDcritical..4.2304.230
less stable0.87130.41031.19
stable..57.9657.96
total0.87192.5393.23
VScritical0.77110.31811.017
less stable3.83035.3839.18
stable3.83039.8843.67
total8.22085.4493.73
ZGcritical......
less stable..1.7441.744
stable..3.9213.921
total..5.695.69
ZHcritical..2.1402.140
less stable..17.61217.612
stable..30.7730.77
total..50.4250.42
Switzerlandcritical2.83552.5855.38
less stable18.914424.42443.32
stable16.614548.82565.42
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163377/149757

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · 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
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment1.450..8.5209.6187.1227.92134.510
tending....2.1410.31001.450..3.930
thinning0.4100..3.9300.7710.4100..5.326
establishment cut1.158..3.2332.4372.1410.41009.120
removal cut0.4100..1.8450.3100..0.41002.835
plentering0.771..1.158......1.845
thinning of mountain forest0.771..16.3149.6182.1414.32933.010
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........0.41000.4100
total4.727..36.9922.91113.11613.21690.86
outside perimeterno treatment23.41211.01878.7635.6850.8769.36268.73
tending15.11537.5923.8123.1333.9302.14185.66
thinning49.4891.2542.692.4373.2337.821196.64
establishment cut26.31142.1837.993.83011.0176.124127.15
removal cut10.41814.9158.2210.7710.7713.23338.19
plentering24.1128.12117.0140.31002.1410.410052.18
thinning of mountain forest3.631..50.4814.0159.91813.21691.16
coppice cut0.7711.450......5.0267.122
conversion..2.8351.158....1.1585.027
transformation..1.1580.4100......1.450
sanitary felling3.2334.2292.1411.058..0.410011.018
plentering in broadleaf forest13.31635.497.821......56.58
tending of forest edge1.1584.2293.632..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.316..4.3290.7711.1580.410019.713
total184.52253.91277.7261.6583.64109.24970.61
totalno treatment24.91111.01887.2645.2757.8677.25303.23
tending15.11537.5926.0113.4315.3252.14189.46
thinning49.7791.2546.583.1333.5317.821201.94
establishment cut27.41142.1841.196.22313.1166.423136.25
removal cut10.81814.9159.9191.0580.7713.63140.99
plentering24.9118.12118.1140.31002.1410.410053.98
thinning of mountain forest4.329..66.7723.61112.01617.414124.15
coppice cut0.7711.450......5.0267.122
conversion..2.8351.158....1.1585.027
transformation..1.1580.4100......1.450
sanitary felling3.2334.2292.1411.058..0.410011.018
plentering in broadleaf forest13.31635.497.821......56.58
tending of forest edge1.1584.2293.632..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.316..4.3290.7711.1580.77120.113
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163378/149758

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontype of next treatment (interview survey) %± %± %±
AGno treatment..7.42.47.42.4
tending..22.33.822.33.8
thinning..35.54.435.54.4
establishment cut..11.62.911.62.9
removal cut..7.42.47.42.4
plentering......
thinning of mountain forest......
coppice cut......
conversion..1.71.21.71.2
transformation......
sanitary felling......
plentering in broadleaf forest..12.43.012.43.0
tending of forest edge..1.71.21.71.2
planting......
agrosilvicultural treatments......
total..100.0.100.0.
AIno treatment33.328.016.711.120.010.6
tending..8.38.26.76.6
thinning..50.014.940.013.0
establishment cut..16.711.113.39.0
removal cut......
plentering..8.38.26.76.6
thinning of mountain forest66.727.9..13.39.0
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
ARno treatment..20.88.420.08.1
tending..8.35.88.05.5
thinning..37.510.036.09.7
establishment cut100.0.29.29.432.09.5
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..4.24.24.04.0
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
BEno treatment27.17.016.41.817.31.7
tending9.74.611.11.511.01.4
thinning9.74.622.62.021.51.9
establishment cut4.93.412.71.612.01.5
removal cut4.93.43.90.94.00.9
plentering2.42.49.71.49.11.3
thinning of mountain forest41.37.712.51.615.01.6
coppice cut......
conversion..1.20.51.10.5
transformation..0.50.30.40.3
sanitary felling..1.60.61.50.6
plentering in broadleaf forest..4.61.04.20.9
tending of forest edge..0.70.40.60.4
planting..0.20.20.20.2
agrosilvicultural treatments..2.30.72.10.7
total100.0.100.0.100.0.
BL/BSno treatment..8.54.18.54.1
tending..8.54.18.54.1
thinning..29.56.729.56.7
establishment cut..15.05.315.05.3
removal cut..10.74.610.74.6
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling..2.12.12.12.1
plentering in broadleaf forest..21.46.021.46.0
tending of forest edge..4.33.04.33.0
planting......
agrosilvicultural treatments......
total..100.0.100.0.
FRno treatment..7.52.67.32.5
tending33.327.315.03.515.53.5
thinning..24.34.223.64.1
establishment cut..24.34.223.74.1
removal cut..7.52.67.32.5
plentering..4.72.14.52.0
thinning of mountain forest66.727.38.42.710.02.9
coppice cut......
conversion......
transformation..0.90.90.90.9
sanitary felling..3.71.83.61.8
plentering in broadleaf forest......
tending of forest edge..2.81.62.71.6
planting......
agrosilvicultural treatments..0.90.90.90.9
total100.0.100.0.100.0.
GEno treatment......
tending..41.923.741.923.7
thinning..58.123.758.123.7
establishment cut......
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
GLno treatment20.012.819.47.219.56.2
tending..9.75.47.34.1
thinning..6.54.54.93.4
establishment cut......
removal cut10.09.63.23.24.93.4
plentering......
thinning of mountain forest70.014.635.58.743.97.8
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..22.67.617.15.9
tending of forest edge..3.23.22.42.4
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
GRno treatment55.46.657.92.657.62.4
tending5.43.05.71.25.61.1
thinning3.62.54.31.14.21.0
establishment cut14.34.713.61.813.71.7
removal cut1.81.82.30.82.20.7
plentering..2.30.82.00.7
thinning of mountain forest19.65.311.91.713.01.7
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..0.90.50.70.4
planting......
agrosilvicultural treatments..1.10.61.00.5
total100.0.100.0.100.0.
JUno treatment100.0.5.92.68.12.9
tending..9.43.29.23.1
thinning..35.35.234.55.1
establishment cut..22.34.521.84.4
removal cut..10.63.410.43.3
plentering......
thinning of mountain forest..5.92.65.82.5
coppice cut......
conversion......
transformation......
sanitary felling..1.21.21.21.2
plentering in broadleaf forest......
tending of forest edge..1.21.21.21.2
planting......
agrosilvicultural treatments..8.23.08.12.9
total100.0.100.0.100.0.
LUno treatment..6.52.26.42.2
tending..10.52.810.42.7
thinning50.035.535.84.336.04.3
establishment cut..18.63.518.33.5
removal cut..1.61.11.61.1
plentering..9.72.79.62.6
thinning of mountain forest50.035.513.93.114.53.2
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..0.80.80.80.8
tending of forest edge..1.61.11.61.1
planting......
agrosilvicultural treatments..0.80.80.80.8
total100.0.100.0.100.0.
NEno treatment..6.32.86.12.7
tending..8.53.18.23.0
thinning..12.43.712.03.6
establishment cut..3.62.13.52.0
removal cut..2.41.72.31.6
plentering66.727.347.35.548.05.4
thinning of mountain forest33.327.41.21.22.31.6
coppice cut......
conversion......
transformation......
sanitary felling..2.41.72.31.6
plentering in broadleaf forest..4.92.44.72.3
tending of forest edge......
planting......
agrosilvicultural treatments..10.93.510.53.3
total100.0.100.0.100.0.
NWno treatment33.327.835.713.135.311.8
tending......
thinning..14.39.611.88.0
establishment cut..7.17.05.95.8
removal cut..21.411.217.69.4
plentering......
thinning of mountain forest66.727.721.411.229.411.3
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
OWno treatment40.022.143.47.443.07.0
tending..15.25.313.74.9
thinning20.018.12.22.23.92.7
establishment cut..10.94.69.84.2
removal cut..6.53.75.93.3
plentering..4.43.03.92.7
thinning of mountain forest40.022.117.45.619.65.6
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
SGno treatment20.012.727.54.027.03.8
tending10.09.55.52.05.82.0
thinning20.012.720.53.620.43.5
establishment cut10.09.516.53.316.13.1
removal cut..2.41.42.21.3
plentering20.012.77.12.38.02.3
thinning of mountain forest20.012.75.52.06.62.1
coppice cut......
conversion..0.80.80.70.7
transformation......
sanitary felling..2.41.42.21.3
plentering in broadleaf forest..7.92.47.32.2
tending of forest edge..2.41.32.21.2
planting......
agrosilvicultural treatments..1.61.11.51.0
total100.0.100.0.100.0.
SHno treatment..2.82.82.82.8
tending..5.63.95.63.9
thinning..61.18.161.18.1
establishment cut..2.82.82.82.8
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..27.87.527.87.5
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
SOno treatment..21.74.521.74.5
tending..6.02.66.02.6
thinning..37.35.337.35.3
establishment cut..15.74.015.74.0
removal cut..3.62.13.62.1
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..15.74.015.74.0
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
SZno treatment16.715.336.96.035.25.7
tending..6.23.05.62.8
thinning16.715.39.23.69.93.6
establishment cut16.715.320.05.019.74.7
removal cut33.319.31.51.54.22.4
plentering..1.51.51.41.4
thinning of mountain forest16.715.321.55.121.14.9
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..1.51.51.41.4
tending of forest edge......
planting......
agrosilvicultural treatments..1.61.51.41.4
total100.0.100.0.100.0.
TGno treatment..2.82.02.82.0
tending..8.53.48.53.4
thinning..55.55.955.55.9
establishment cut..14.24.214.24.2
removal cut..6.13.06.13.0
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..11.43.811.43.8
tending of forest edge..1.41.41.41.4
planting......
agrosilvicultural treatments......
total..100.0.100.0.
TIno treatment65.39.965.23.065.22.9
tending..0.40.40.40.4
thinning..8.21.87.51.6
establishment cut..4.91.44.51.3
removal cut..2.51.02.20.9
plentering......
thinning of mountain forest30.49.610.62.012.32.0
coppice cut..5.71.55.21.4
conversion..1.20.71.10.6
transformation......
sanitary felling..0.40.40.40.4
plentering in broadleaf forest......
tending of forest edge..0.40.40.40.4
planting......
agrosilvicultural treatments4.34.30.40.40.70.5
total100.0.100.0.100.0.
URno treatment11.110.541.18.534.97.3
tending11.110.5..2.32.3
thinning..20.77.016.45.7
establishment cut..2.92.92.32.3
removal cut......
plentering......
thinning of mountain forest77.813.935.38.344.17.6
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
VDno treatment..15.22.314.62.3
tending..12.32.111.82.1
thinning20.012.720.42.620.42.6
establishment cut30.014.519.52.619.92.6
removal cut10.09.56.31.66.51.6
plentering..10.22.09.81.9
thinning of mountain forest40.015.53.41.24.91.4
coppice cut..2.10.92.00.9
conversion..0.40.40.40.4
transformation......
sanitary felling..2.91.12.81.1
plentering in broadleaf forest......
tending of forest edge..0.40.40.40.4
planting......
agrosilvicultural treatments..6.71.66.51.6
total100.0.100.0.100.0.
VSno treatment40.95.854.43.550.93.0
tending1.41.45.01.54.01.2
thinning2.82.05.41.64.81.3
establishment cut14.14.110.42.111.31.9
removal cut1.41.41.00.71.10.6
plentering..0.50.50.40.4
thinning of mountain forest39.45.820.32.825.32.6
coppice cut......
conversion......
transformation......
sanitary felling..1.50.91.10.6
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.50.91.10.6
total100.0.100.0.100.0.
ZGno treatment......
tending..15.410.415.410.4
thinning..23.112.123.112.1
establishment cut......
removal cut......
plentering..7.77.77.77.7
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..53.814.353.814.3
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
ZHno treatment..5.61.95.61.9
tending..11.92.711.92.7
thinning..25.93.725.93.7
establishment cut..7.02.17.02.1
removal cut..4.21.74.21.7
plentering..0.70.70.70.7
thinning of mountain forest......
coppice cut..0.70.70.70.7
conversion..1.41.01.41.0
transformation..0.70.70.70.7
sanitary felling..1.41.01.41.0
plentering in broadleaf forest..37.14.037.14.0
tending of forest edge..3.51.53.51.5
planting......
agrosilvicultural treatments......
total..100.0.100.0.
Switzerlandno treatment38.03.027.60.828.50.8
tending4.21.28.90.58.50.5
thinning5.81.520.20.719.00.7
establishment cut10.01.913.10.612.90.6
removal cut3.21.14.00.44.00.4
plentering1.90.85.20.44.90.4
thinning of mountain forest36.43.09.30.511.60.6
coppice cut..0.70.20.70.2
conversion..0.50.10.50.1
transformation..0.10.10.10.1
sanitary felling..1.10.21.00.2
plentering in broadleaf forest..5.90.45.40.4
tending of forest edge..1.10.21.00.2
planting..0.00.00.00.0
agrosilvicultural treatments0.40.42.00.31.90.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163379/149759

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %
AGno treatment..3.6323.632
tending..10.91710.917
thinning..17.31217.312
establishment cut..5.6255.625
removal cut..3.6323.632
plentering......
thinning of mountain forest......
coppice cut......
conversion..0.8700.870
transformation......
sanitary felling......
plentering in broadleaf forest..6.0246.024
tending of forest edge..0.8700.870
planting......
agrosilvicultural treatments......
total..48.7248.72
AIno treatment0.31000.6691.054
tending..0.31000.3100
thinning..1.9341.934
establishment cut..0.6690.669
removal cut......
plentering..0.31000.3100
thinning of mountain forest0.669..0.669
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total1.0543.9174.811
ARno treatment..1.6411.641
tending..0.6690.669
thinning..2.9272.927
establishment cut0.31002.2332.630
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..0.31000.3100
planting......
agrosilvicultural treatments......
total0.31007.768.05
BEno treatment3.83024.31128.110
tending1.45016.41417.813
thinning1.45033.6934.99
establishment cut0.77118.81319.513
removal cut0.7715.8246.523
plentering0.310014.41514.715
thinning of mountain forest5.82418.51324.311
coppice cut......
conversion..1.7451.745
transformation..0.7710.771
sanitary felling..2.4382.438
plentering in broadleaf forest..6.8226.822
tending of forest edge..1.0581.058
planting..0.31000.3100
agrosilvicultural treatments..3.4313.431
total14.115148.22162.32
BL/BSno treatment..1.6491.649
tending..1.6491.649
thinning..5.6245.624
establishment cut..2.9362.936
removal cut..2.0432.043
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest..4.1294.129
tending of forest edge..0.8700.870
planting......
agrosilvicultural treatments......
total..19.1619.16
FRno treatment..3.0343.034
tending0.41006.0236.423
thinning..9.7189.718
establishment cut..9.7179.717
removal cut..3.0343.034
plentering..1.9441.944
thinning of mountain forest0.7703.4324.129
coppice cut......
conversion......
transformation..0.41000.4100
sanitary felling..1.5491.549
plentering in broadleaf forest......
tending of forest edge..1.1571.157
planting......
agrosilvicultural treatments..0.41000.4100
total1.15740.0441.13
GEno treatment......
tending..0.9650.965
thinning..1.3541.354
establishment cut......
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total..2.2342.234
GLno treatment0.8702.3393.133
tending..1.2571.257
thinning..0.8700.870
establishment cut......
removal cut0.41000.41000.870
plentering......
thinning of mountain forest2.7364.2276.920
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..2.7362.736
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments......
total3.92911.91215.88
GRno treatment10.81771.1682.05
tending1.0587.0228.020
thinning0.7715.2255.924
establishment cut2.83516.71419.513
removal cut0.31002.8353.133
plentering..2.8352.835
thinning of mountain forest3.83014.71518.513
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..1.0581.058
planting......
agrosilvicultural treatments..1.4501.450
total19.613122.83142.33
JUno treatment0.8701.9442.737
tending..3.1343.134
thinning..11.71511.715
establishment cut..7.4217.421
removal cut..3.5323.532
plentering......
thinning of mountain forest..1.9441.944
coppice cut......
conversion......
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments..2.7362.736
total0.87033.1333.93
LUno treatment..2.5342.534
tending..4.1264.126
thinning0.310013.91314.212
establishment cut..7.2197.219
removal cut..0.6700.670
plentering..3.8283.828
thinning of mountain forest0.31005.4235.722
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..0.31000.3100
tending of forest edge..0.6700.670
planting......
agrosilvicultural treatments..0.31000.3100
total0.67038.7339.33
NEno treatment..1.7441.744
tending..2.2372.237
thinning..3.3303.330
establishment cut..1.0571.057
removal cut..0.6700.670
plentering0.67012.51213.112
thinning of mountain forest0.31000.31000.670
coppice cut......
conversion......
transformation......
sanitary felling..0.6700.670
plentering in broadleaf forest..1.3491.349
tending of forest edge......
planting......
agrosilvicultural treatments..2.9322.932
total1.05726.4527.44
NWno treatment0.41001.9402.336
tending......
thinning..0.8690.869
establishment cut..0.41000.4100
removal cut..1.2551.255
plentering......
thinning of mountain forest0.8691.2551.940
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total1.2555.4176.513
OWno treatment0.7707.4188.217
tending..2.6362.636
thinning0.41000.41000.770
establishment cut..1.9431.943
removal cut..1.1571.157
plentering..0.7700.770
thinning of mountain forest0.7703.0333.729
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total1.94317.2619.04
SGno treatment0.77012.61513.415
tending0.41002.5372.935
thinning0.7709.41810.117
establishment cut0.41007.6208.020
removal cut..1.1571.157
plentering0.7703.3334.029
thinning of mountain forest0.7702.5373.333
coppice cut......
conversion..0.41000.4100
transformation......
sanitary felling..1.1571.157
plentering in broadleaf forest..3.6313.631
tending of forest edge..1.1581.158
planting......
agrosilvicultural treatments..0.7710.771
total3.63145.9549.54
SHno treatment..0.41000.4100
tending..0.7700.770
thinning..7.8147.814
establishment cut..0.41000.4100
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..3.6273.627
tending of forest edge......
planting......
agrosilvicultural treatments......
total..12.8312.83
SOno treatment..6.8216.821
tending..1.9441.944
thinning..11.71511.715
establishment cut..4.9264.926
removal cut..1.1571.157
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..4.9264.926
tending of forest edge......
planting......
agrosilvicultural treatments......
total..31.4431.44
SZno treatment0.41008.7179.017
tending..1.4491.449
thinning0.41002.2402.536
establishment cut0.41004.7265.125
removal cut0.7700.41001.157
plentering..0.41000.4100
thinning of mountain forest0.41005.1255.423
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..0.41000.4100
tending of forest edge......
planting......
agrosilvicultural treatments..0.41000.4100
total2.24023.5625.75
TGno treatment..0.6700.670
tending..1.8391.839
thinning..11.61111.611
establishment cut..3.0303.030
removal cut..1.3501.350
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..2.4342.434
tending of forest edge..0.31000.3100
planting......
agrosilvicultural treatments......
total..21.0421.04
TIno treatment5.42557.2662.66
tending..0.41000.4100
thinning..7.2227.222
establishment cut..4.3284.328
removal cut..2.1412.141
plentering......
thinning of mountain forest2.5379.31911.817
coppice cut..5.0265.026
conversion..1.1581.158
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments0.41000.41000.771
total8.32087.6495.94
URno treatment0.31004.7255.024
tending0.3100..0.3100
thinning..2.4372.437
establishment cut..0.31000.3100
removal cut......
plentering......
thinning of mountain forest2.3364.0276.320
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total3.03111.41414.311
VDno treatment..13.61613.616
tending..11.01811.018
thinning0.87118.21319.013
establishment cut1.15817.41418.613
removal cut0.41005.7256.124
plentering..9.1209.120
thinning of mountain forest1.5503.0354.628
coppice cut..1.9441.944
conversion..0.41000.4100
transformation......
sanitary felling..2.6382.638
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments..6.0246.024
total3.83189.4393.23
VSno treatment10.01837.7847.77
tending0.31003.4313.830
thinning0.7713.8304.527
establishment cut3.4317.22110.617
removal cut0.31000.7711.058
plentering..0.31000.3100
thinning of mountain forest9.61814.11523.711
coppice cut......
conversion......
transformation......
sanitary felling..1.0581.058
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.0581.058
total24.41169.3593.73
ZGno treatment......
tending..0.9680.968
thinning..1.3531.353
establishment cut......
removal cut......
plentering..0.41000.4100
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..3.0283.028
tending of forest edge......
planting......
agrosilvicultural treatments......
total..5.695.69
ZHno treatment..2.8352.835
tending..6.0236.023
thinning..13.01413.014
establishment cut..3.5313.531
removal cut..2.1402.140
plentering..0.41000.4100
thinning of mountain forest......
coppice cut..0.41000.4100
conversion..0.7700.770
transformation..0.41000.4100
sanitary felling..0.7700.770
plentering in broadleaf forest..18.71118.711
tending of forest edge..1.8441.844
planting......
agrosilvicultural treatments......
total..50.4250.42
Switzerlandno treatment34.410268.93303.33
tending3.83087.0690.96
thinning5.326196.94202.24
establishment cut9.119127.85136.95
removal cut2.93539.2942.09
plentering1.74550.2851.98
thinning of mountain forest32.91090.66123.55
coppice cut..7.3227.322
conversion..5.0275.027
transformation..1.4501.450
sanitary felling..11.11811.118
plentering in broadleaf forest..57.8757.87
tending of forest edge..10.41910.419
planting..0.31000.3100
agrosilvicultural treatments0.410019.61320.013
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163380/149760

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · 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
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey) %± %± %± %± %± %±
inside perimeterno treatment30.712.8..20.06.838.33.757.28.438.03.0
tending....11.45.44.01.5..4.31.3
thinning7.77.4..14.35.95.11.7..5.81.5
establishment cut23.111.7..5.73.911.42.42.92.810.11.9
removal cut7.77.4....3.41.42.92.83.11.1
plentering15.410.0..5.73.90.60.6..2.00.9
thinning of mountain forest15.410.0..42.98.437.13.734.28.036.43.0
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........2.92.80.40.4
total100.0...100.0.100.0.100.0.100.0.
outside perimeterno treatment11.71.45.10.919.71.750.61.862.92.827.60.8
tending9.61.314.61.48.61.26.10.92.00.88.80.5
thinning27.72.036.01.918.41.77.61.07.31.520.30.7
establishment cut14.11.516.31.515.01.511.11.25.61.313.10.6
removal cut5.41.06.51.02.80.71.80.53.01.03.90.4
plentering12.61.51.70.511.31.41.10.40.30.35.40.4
thinning of mountain forest1.70.60.20.215.01.517.81.412.31.99.40.5
coppice cut0.60.30.50.3....4.61.20.70.2
conversion0.20.21.10.40.40.30.10.11.00.60.50.1
transformation..0.30.20.40.3....0.10.1
sanitary felling2.10.61.40.50.90.40.70.30.30.31.10.2
plentering in broadleaf forest7.11.114.11.44.30.91.10.4..5.80.4
tending of forest edge0.80.41.60.51.90.60.50.30.30.31.10.2
planting0.20.2........0.00.0
agrosilvicultural treatments6.31.10.60.31.30.51.40.40.30.32.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment12.11.45.10.919.71.748.21.762.32.628.40.8
tending9.31.314.61.48.81.25.70.81.80.78.40.5
thinning27.21.936.01.918.11.67.20.96.51.319.10.7
establishment cut14.41.516.31.514.41.511.21.05.31.212.80.6
removal cut5.41.06.51.02.60.72.10.53.00.93.90.4
plentering12.71.41.70.510.91.31.00.30.30.35.10.4
thinning of mountain forest2.10.60.20.216.71.621.51.414.61.911.70.6
coppice cut0.60.30.50.3....4.21.10.70.1
conversion0.20.21.10.40.40.20.10.10.90.50.50.1
transformation..0.30.20.40.2....0.10.1
sanitary felling2.10.61.40.50.90.40.60.20.30.31.00.2
plentering in broadleaf forest6.91.114.11.44.10.80.90.3..5.30.4
tending of forest edge0.70.41.60.51.80.60.40.20.30.31.00.2
planting0.20.2........0.00.0
agrosilvicultural treatments6.21.00.60.31.20.51.10.30.60.41.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163381/149761

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · 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
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment1.550..2.53823.2127.12234.310
tending....1.4502.438..3.930
thinning0.4100..1.8453.133..5.326
establishment cut1.158..0.7716.9220.41009.119
removal cut0.4100....2.1410.41002.835
plentering0.771..0.7710.3100..1.845
thinning of mountain forest0.771..5.42622.5124.32932.810
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........0.41000.4100
total4.727..12.61660.5712.41690.36
outside perimeterno treatment22.31211.61737.89128.6467.26267.53
tending18.31433.01016.61415.6152.14185.66
thinning52.9781.5535.3919.4137.821197.04
establishment cut27.01136.9928.81028.3116.024127.15
removal cut10.21814.8155.4264.5283.23338.19
plentering24.1123.93021.6122.8350.410052.78
thinning of mountain forest3.3330.410028.81145.3813.11690.96
coppice cut1.1581.158....5.0267.122
conversion0.41002.5380.7710.31001.1585.027
transformation..0.7710.771....1.450
sanitary felling4.0303.2331.8451.7450.410011.118
plentering in broadleaf forest13.51632.0108.3202.835..56.58
tending of forest edge1.5503.5313.6311.4500.410010.318
planting0.4100........0.4100
agrosilvicultural treatments12.0171.4502.5383.5320.410019.813
total190.92226.31192.12254.22106.94970.41
totalno treatment23.71211.61740.49151.7474.35301.73
tending18.31433.01018.01418.0142.14189.46
thinning53.3781.5537.1922.5127.821202.34
establishment cut28.11136.9929.61035.296.423136.25
removal cut10.61814.8155.4266.6233.53140.99
plentering24.8113.93022.4123.1330.410054.58
thinning of mountain forest4.0300.410034.21067.8717.414123.75
coppice cut1.1581.158....5.0267.122
conversion0.41002.5380.7710.31001.1585.027
transformation..0.7710.771....1.450
sanitary felling4.0303.2331.8451.7450.410011.118
plentering in broadleaf forest13.51632.0108.3202.835..56.58
tending of forest edge1.5503.5313.6311.4500.410010.318
planting0.4100........0.4100
agrosilvicultural treatments12.0171.4502.5383.5320.77120.113
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163382/149762

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · 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
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey) %± %± %± %± %± %± %±
inside perimeterno treatment30.812.821.45.517.96.240.95.859.17.457.28.438.03.0
tending..8.93.85.13.51.41.46.83.8..4.31.3
thinning7.77.412.54.47.74.32.82.04.53.1..5.91.5
establishment cut23.111.73.62.57.74.314.14.115.95.52.92.810.01.9
removal cut7.77.43.62.57.74.31.41.4..2.92.83.11.1
plentering15.410.01.81.85.13.5......1.90.9
thinning of mountain forest15.410.048.26.748.78.039.45.813.65.234.28.036.43.0
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........2.92.80.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno treatment8.10.822.01.929.72.754.53.559.02.962.92.827.60.8
tending12.31.010.61.45.41.35.01.55.11.32.00.88.90.5
thinning32.31.416.31.717.72.25.41.64.41.27.31.520.30.7
establishment cut15.31.111.71.514.42.010.42.114.62.15.61.313.10.6
removal cut6.00.73.60.91.30.71.00.71.70.83.01.03.90.4
plentering6.60.710.61.43.31.00.50.52.40.90.30.35.40.4
thinning of mountain forest0.90.320.11.814.72.120.32.810.51.812.31.99.40.5
coppice cut0.50.2........4.61.20.70.2
conversion0.70.20.60.4......1.00.60.50.1
transformation0.20.10.20.20.30.3......0.10.1
sanitary felling1.70.40.80.41.00.61.50.9..0.30.31.10.2
plentering in broadleaf forest11.00.91.30.58.41.6......5.80.4
tending of forest edge1.20.30.60.42.70.9..1.00.60.30.31.10.2
planting0.10.1..........0.00.0
agrosilvicultural treatments3.20.51.50.61.00.61.50.91.40.70.30.32.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment8.30.822.01.828.42.550.93.059.02.762.32.628.50.8
tending12.21.010.41.35.31.24.01.25.31.21.80.78.50.5
thinning32.01.415.91.616.62.04.81.34.41.16.51.319.10.7
establishment cut15.41.110.81.413.61.911.31.914.81.95.31.212.80.6
removal cut6.00.73.60.82.10.81.10.61.50.73.00.93.90.4
plentering6.70.79.71.33.51.00.40.42.10.80.30.35.10.4
thinning of mountain forest1.00.323.11.818.62.125.32.610.91.714.61.911.70.6
coppice cut0.50.2........4.21.10.70.1
conversion0.70.20.60.3......0.90.50.50.1
transformation0.20.10.20.20.30.3......0.10.1
sanitary felling1.70.40.80.40.90.51.10.6..0.30.31.00.2
plentering in broadleaf forest10.80.91.10.57.41.4......5.30.4
tending of forest edge1.20.30.60.32.40.8..0.90.50.30.31.00.2
planting0.10.1..........0.00.0
agrosilvicultural treatments3.10.51.30.50.90.51.10.61.20.60.60.41.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163383/149763

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment1.4504.3292.43810.0189.1197.12234.410
tending..1.8450.7710.31001.158..3.930
thinning0.41002.5381.0580.7710.771..5.326
establishment cut1.1580.7711.0583.4312.5380.41009.119
removal cut0.41000.7711.0580.3100..0.41002.835
plentering0.7710.41000.771......1.845
thinning of mountain forest0.7719.7196.6229.6182.1414.32933.010
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........0.41000.4100
total4.72820.21313.41524.41115.51412.41690.56
outside perimeterno treatment33.61037.5930.71037.7861.1667.26267.83
tending51.5818.0145.5253.4315.3252.14185.96
thinning134.9427.81118.3133.8304.6277.821197.14
establishment cut64.0719.81314.8147.22115.1146.024127.05
removal cut25.0126.1241.4500.7711.8453.23338.29
plentering27.51118.0143.4310.31002.5380.410052.28
thinning of mountain forest3.63234.31015.21414.11510.91713.11691.16
coppice cut2.141........5.0267.122
conversion2.9351.158......1.1585.027
transformation0.7710.41000.3100......1.450
sanitary felling7.2221.4501.0581.058..0.410011.018
plentering in broadleaf forest45.882.2418.619......56.68
tending of forest edge5.0271.1582.835..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.2162.5381.1581.0581.4500.410019.613
total417.41170.22103.2369.35103.63106.94970.61
totalno treatment35.11041.8833.1947.7770.2574.35302.23
tending51.5819.8136.2233.8306.3232.14189.86
thinning135.2430.31019.3134.5275.3257.821202.44
establishment cut65.1720.61315.91410.61717.6136.423136.15
removal cut25.4126.9232.4381.0581.8453.53141.09
plentering28.31118.4134.1280.31002.5380.410053.98
thinning of mountain forest4.32944.0821.71223.71113.01617.414124.15
coppice cut2.141........5.0267.122
conversion2.9351.158......1.1585.027
transformation0.7710.41000.3100......1.450
sanitary felling7.2221.4501.0581.058..0.410011.018
plentering in broadleaf forest45.882.2418.619......56.68
tending of forest edge5.0271.1582.835..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.2162.5381.1581.0581.4500.77120.013
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163384/149764

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontype of next treatment (interview survey) %± %± %±
Western Jurano treatment31.012.912.41.613.01.6
tending..8.21.47.91.3
thinning7.77.423.52.123.02.1
establishment cut23.011.715.31.815.61.8
removal cut7.77.45.21.15.31.1
plentering15.310.016.31.816.31.8
thinning of mountain forest15.310.02.20.72.60.8
coppice cut..0.70.40.70.4
conversion......
transformation......
sanitary felling..2.50.82.40.7
plentering in broadleaf forest..4.71.14.61.0
tending of forest edge..0.50.30.50.3
planting..0.20.20.20.2
agrosilvicultural treatments..8.21.47.91.3
total100.0.100.0.100.0.
Eastern Jurano treatment..9.32.79.32.7
tending..14.33.214.33.2
thinning..41.94.541.94.5
establishment cut..10.12.810.12.8
removal cut..5.92.25.92.2
plentering......
thinning of mountain forest......
coppice cut......
conversion..0.80.80.80.8
transformation......
sanitary felling..0.80.80.80.8
plentering in broadleaf forest..15.13.315.13.3
tending of forest edge..1.71.21.71.2
planting......
agrosilvicultural treatments......
total..100.0.100.0.
Western Plateauno treatment..7.92.57.92.5
tending..20.13.820.13.8
thinning..29.64.329.64.3
establishment cut..20.73.820.73.8
removal cut..10.42.810.42.8
plentering......
thinning of mountain forest......
coppice cut..1.71.21.71.2
conversion......
transformation......
sanitary felling..4.41.94.41.9
plentering in broadleaf forest......
tending of forest edge..1.71.21.71.2
planting......
agrosilvicultural treatments..3.51.73.51.7
total..100.0.100.0.
Central Plateauno treatment..4.11.34.11.3
tending..13.52.313.52.3
thinning..39.13.339.13.3
establishment cut..21.22.721.22.7
removal cut..5.41.55.41.5
plentering..3.61.33.61.3
thinning of mountain forest..0.50.50.50.5
coppice cut......
conversion..1.40.81.40.8
transformation..0.90.60.90.6
sanitary felling..0.90.60.90.6
plentering in broadleaf forest..8.11.88.11.8
tending of forest edge..1.40.81.40.8
planting......
agrosilvicultural treatments......
total..100.0.100.0.
Eastern Plateauno treatment..4.91.24.91.2
tending..13.31.913.31.9
thinning..36.42.736.42.7
establishment cut..11.01.811.01.8
removal cut..5.81.35.81.3
plentering..1.00.61.00.6
thinning of mountain forest......
coppice cut..0.30.30.30.3
conversion..1.30.61.30.6
transformation......
sanitary felling..0.60.50.60.5
plentering in broadleaf forest..23.72.423.72.4
tending of forest edge..1.60.71.60.7
planting......
agrosilvicultural treatments......
total..100.0.100.0.
Western Pre-Alpsno treatment12.011.218.43.818.03.7
tending37.717.211.73.213.53.3
thinning25.115.417.53.818.03.7
establishment cut..21.44.119.93.8
removal cut..1.91.41.81.3
plentering..4.92.14.52.0
thinning of mountain forest25.115.418.53.819.03.7
coppice cut......
conversion......
transformation..1.01.00.90.9
sanitary felling..1.91.41.81.3
plentering in broadleaf forest......
tending of forest edge..1.01.00.90.9
planting......
agrosilvicultural treatments..1.91.31.81.2
total100.0.100.0.100.0.
Central Pre-Alpsno treatment26.310.117.12.417.82.4
tending..9.41.98.71.7
thinning10.57.117.12.416.72.3
establishment cut..9.41.98.71.7
removal cut..4.91.44.51.3
plentering5.35.118.42.517.42.3
thinning of mountain forest57.911.318.82.521.62.5
coppice cut......
conversion..0.80.60.80.5
transformation......
sanitary felling......
plentering in broadleaf forest..2.41.02.30.9
tending of forest edge..0.80.60.80.5
planting......
agrosilvicultural treatments..0.80.60.80.5
total100.0.100.0.100.0.
Eastern Pre-Alpsno treatment12.511.723.83.123.33.1
tending12.511.75.91.76.21.7
thinning12.511.720.53.020.22.9
establishment cut25.015.318.92.919.22.8
removal cut..0.50.50.50.5
plentering12.511.75.41.75.71.7
thinning of mountain forest25.015.38.12.08.82.0
coppice cut......
conversion......
transformation..0.50.50.50.5
sanitary felling..1.60.91.60.9
plentering in broadleaf forest..9.22.18.82.0
tending of forest edge..3.81.43.61.3
planting......
agrosilvicultural treatments..1.60.91.60.9
total100.0.100.0.100.0.
Northwestern Alpsno treatment20.77.534.74.332.03.8
tending6.94.712.12.911.12.5
thinning10.35.713.73.113.12.7
establishment cut6.94.78.12.47.82.2
removal cut6.94.72.41.43.31.4
plentering......
thinning of mountain forest48.39.324.23.928.73.7
coppice cut......
conversion..0.80.80.70.7
transformation......
sanitary felling..1.61.11.30.9
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..2.41.42.01.1
total100.0.100.0.100.0.
Central Alpsno treatment14.39.442.07.035.96.0
tending7.16.92.02.03.12.2
thinning7.16.916.15.214.14.4
establishment cut..8.03.86.23.0
removal cut14.39.42.02.04.72.6
plentering......
thinning of mountain forest57.113.330.06.535.96.0
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
Northeastern Alpsno treatment23.510.336.56.133.85.3
tending..6.33.15.02.4
thinning5.95.711.14.010.03.4
establishment cut5.95.76.33.16.22.7
removal cut5.95.73.22.23.72.1
plentering5.95.7..1.21.2
thinning of mountain forest52.912.122.25.328.75.1
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..12.74.210.03.4
tending of forest edge..1.61.61.21.2
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
Southwestern Alpsno treatment40.95.854.53.550.93.0
tending1.41.45.01.54.01.2
thinning2.82.05.41.64.81.3
establishment cut14.14.110.42.111.31.9
removal cut1.41.41.00.71.10.6
plentering..0.50.50.40.4
thinning of mountain forest39.45.820.32.825.32.6
coppice cut......
conversion......
transformation......
sanitary felling..1.50.91.10.6
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.50.91.10.6
total100.0.100.0.100.0.
Southeastern Alpsno treatment59.17.459.02.959.02.7
tending6.83.85.11.35.31.2
thinning4.53.14.41.24.41.1
establishment cut15.95.514.62.114.81.9
removal cut..1.70.81.50.7
plentering..2.40.92.10.8
thinning of mountain forest13.65.210.51.810.91.7
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..1.00.60.90.5
planting......
agrosilvicultural treatments..1.40.71.20.6
total100.0.100.0.100.0.
Southern Alpsno treatment57.28.462.92.862.32.6
tending..2.00.81.80.7
thinning..7.31.56.51.3
establishment cut2.92.85.61.35.31.2
removal cut2.92.83.01.03.00.9
plentering..0.30.30.30.3
thinning of mountain forest34.28.012.31.914.61.9
coppice cut..4.61.24.21.1
conversion..1.00.60.90.5
transformation......
sanitary felling..0.30.30.30.3
plentering in broadleaf forest......
tending of forest edge..0.30.30.30.3
planting......
agrosilvicultural treatments2.92.80.30.30.60.4
total100.0.100.0.100.0.
Switzerlandno treatment37.93.027.60.828.50.8
tending4.31.38.90.58.50.5
thinning5.91.520.30.719.00.7
establishment cut10.01.913.00.612.80.6
removal cut3.11.14.00.43.90.4
plentering2.00.95.30.45.00.4
thinning of mountain forest36.43.09.40.511.70.6
coppice cut..0.70.20.70.2
conversion..0.50.10.50.1
transformation..0.10.10.10.1
sanitary felling..1.20.21.10.2
plentering in broadleaf forest..5.80.45.30.4
tending of forest edge..1.10.21.00.2
planting..0.00.00.00.0
agrosilvicultural treatments0.40.42.00.31.90.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163385/149765

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %
Western Jurano treatment1.45017.91319.313
tending..11.81711.817
thinning0.410033.9934.39
establishment cut1.15822.11223.212
removal cut0.41007.5217.821
plentering0.77123.51124.311
thinning of mountain forest0.7713.2333.930
coppice cut..1.1581.158
conversion......
transformation......
sanitary felling..3.6313.631
plentering in broadleaf forest..6.8226.822
tending of forest edge..0.7710.771
planting..0.41000.4100
agrosilvicultural treatments..11.81711.817
total4.627144.22148.92
Eastern Jurano treatment..4.4294.429
tending..6.7236.723
thinning..19.71119.711
establishment cut..4.7284.728
removal cut..2.8372.837
plentering......
thinning of mountain forest......
coppice cut......
conversion..0.41000.4100
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest..7.1227.122
tending of forest edge..0.8700.870
planting......
agrosilvicultural treatments......
total..47.0347.03
Western Plateauno treatment..3.7323.732
tending..9.5199.519
thinning..14.01514.015
establishment cut..9.8199.819
removal cut..4.9284.928
plentering......
thinning of mountain forest......
coppice cut..0.8700.870
conversion......
transformation......
sanitary felling..2.1442.144
plentering in broadleaf forest......
tending of forest edge..0.8700.870
planting......
agrosilvicultural treatments..1.6491.649
total..47.2447.24
Central Plateauno treatment..2.8332.833
tending..9.3179.317
thinning..26.9926.99
establishment cut..14.61314.613
removal cut..3.7283.728
plentering..2.5352.535
thinning of mountain forest..0.31000.3100
coppice cut......
conversion..0.9570.957
transformation..0.6710.671
sanitary felling..0.6710.671
plentering in broadleaf forest..5.6235.623
tending of forest edge..0.9570.957
planting......
agrosilvicultural treatments......
total..68.7268.72
Eastern Plateauno treatment..5.4255.425
tending..14.71514.715
thinning..40.0840.08
establishment cut..12.21612.216
removal cut..6.4236.423
plentering..1.1581.158
thinning of mountain forest......
coppice cut..0.41000.4100
conversion..1.4501.450
transformation......
sanitary felling..0.7710.771
plentering in broadleaf forest..26.11026.110
tending of forest edge..1.8441.844
planting......
agrosilvicultural treatments......
total..110.12110.12
Western Pre-Alpsno treatment0.41007.0217.421
tending1.1574.4285.624
thinning0.7706.7227.421
establishment cut..8.2208.220
removal cut..0.7700.770
plentering..1.9441.944
thinning of mountain forest0.7707.0217.820
coppice cut......
conversion......
transformation..0.41000.4100
sanitary felling..0.7700.770
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments..0.7710.771
total2.93538.1541.14
Central Pre-Alpsno treatment1.84415.11416.913
tending..8.2208.220
thinning0.77115.11415.814
establishment cut..8.2208.220
removal cut..4.3284.328
plentering0.410016.11416.514
thinning of mountain forest3.93016.51420.412
coppice cut......
conversion..0.7710.771
transformation......
sanitary felling......
plentering in broadleaf forest..2.2402.240
tending of forest edge..0.7710.771
planting......
agrosilvicultural treatments..0.7710.771
total6.82287.8394.72
Eastern Pre-Alpsno treatment0.410015.71416.113
tending0.41003.9304.328
thinning0.410013.61513.915
establishment cut0.77112.51613.215
removal cut..0.41000.4100
plentering0.41003.6313.929
thinning of mountain forest0.7715.4256.123
coppice cut......
conversion......
transformation..0.41000.4100
sanitary felling..1.1571.157
plentering in broadleaf forest..6.1236.123
tending of forest edge..2.5372.537
planting......
agrosilvicultural treatments..1.1581.158
total2.93566.1368.93
Northwestern Alpsno treatment2.14015.41417.513
tending0.7715.4256.123
thinning1.1576.1237.221
establishment cut0.7713.6314.328
removal cut0.7711.1571.844
plentering......
thinning of mountain forest5.02610.71715.713
coppice cut......
conversion..0.41000.4100
transformation......
sanitary felling..0.7710.771
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.1571.157
total10.41744.3654.74
Central Alpsno treatment0.7707.2207.919
tending0.31000.31000.770
thinning0.31002.8343.132
establishment cut..1.4491.449
removal cut0.7700.31001.057
plentering......
thinning of mountain forest2.7345.2247.919
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total4.82517.31122.18
Northeastern Alpsno treatment1.4498.2199.717
tending..1.4491.449
thinning0.41002.5372.935
establishment cut0.41001.4491.844
removal cut0.41000.7701.157
plentering0.4100..0.4100
thinning of mountain forest3.2325.0258.219
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..2.9342.934
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments......
total6.12222.6928.76
Southwestern Alpsno treatment10.01837.7847.77
tending0.31003.4313.830
thinning0.7713.8304.527
establishment cut3.4317.22110.617
removal cut0.31000.7711.058
plentering..0.31000.3100
thinning of mountain forest9.61814.11523.711
coppice cut......
conversion......
transformation......
sanitary felling..1.0581.058
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.0581.058
total24.41169.3593.73
Southeastern Alpsno treatment9.11961.1670.25
tending1.1585.3256.323
thinning0.7714.6275.325
establishment cut2.53815.11417.613
removal cut..1.8451.845
plentering..2.5382.538
thinning of mountain forest2.14110.91713.016
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..1.1581.158
planting......
agrosilvicultural treatments..1.4501.450
total15.514103.63119.03
Southern Alpsno treatment7.12267.2674.35
tending..2.1412.141
thinning..7.8217.821
establishment cut0.41006.0246.423
removal cut0.41003.2333.531
plentering..0.41000.4100
thinning of mountain forest4.32913.11617.414
coppice cut..5.0265.026
conversion..1.1581.158
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments0.41000.41000.771
total12.416106.94119.33
Switzerlandno treatment34.410268.73303.23
tending3.93086.5690.56
thinning5.326197.34202.64
establishment cut9.119127.05136.15
removal cut2.83538.5941.39
plentering1.84551.8853.68
thinning of mountain forest33.01091.46124.55
coppice cut..7.2227.222
conversion..4.9274.927
transformation..1.3501.350
sanitary felling..11.31811.318
plentering in broadleaf forest..56.7756.77
tending of forest edge..10.41910.419
planting..0.41000.4100
agrosilvicultural treatments0.410019.81320.213
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163386/149766

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · 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
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha....16.43.618.04.721.66.827.17.318.22.4
101-200 stems/ha....26.94.431.35.735.17.932.57.728.62.8
201-300 stems/ha53.913.8..23.14.120.95.016.26.121.66.822.92.6
301-400 stems/ha30.712.8..14.43.414.94.418.96.48.14.515.12.2
401-500 stems/ha15.410.0..8.72.87.53.28.14.58.14.58.51.7
501- 600 stems/ha....6.72.53.02.1....3.51.1
more than 600 stems/ha....3.81.94.52.5..2.72.73.11.1
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha24.01.928.31.722.51.536.13.627.82.930.62.626.50.8
101-200 stems/ha28.52.029.21.727.21.630.03.428.72.926.12.528.20.9
201-300 stems/ha24.81.923.71.622.71.514.42.621.12.719.82.322.40.8
301-400 stems/ha12.91.512.31.212.61.212.82.512.32.113.72.012.70.6
401-500 stems/ha4.91.04.50.87.71.05.01.67.21.76.81.46.00.5
501- 600 stems/ha3.30.81.00.44.00.70.60.62.10.92.00.82.50.3
more than 600 stems/ha1.60.51.10.43.30.61.10.80.80.61.00.61.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.41.928.31.721.81.431.23.026.92.730.32.525.80.8
101-200 stems/ha27.82.029.21.727.21.530.42.929.62.826.82.428.20.8
201-300 stems/ha25.51.923.71.622.81.416.22.320.52.420.02.222.40.8
301-400 stems/ha13.31.512.31.212.81.113.32.213.22.013.11.812.90.6
401-500 stems/ha5.11.04.50.87.80.95.71.57.31.67.01.46.20.4
501- 600 stems/ha3.20.81.00.44.30.71.20.71.80.81.70.72.50.3
more than 600 stems/ha1.50.51.10.43.40.62.00.90.70.51.20.61.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163387/149767

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · 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
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....6.0244.1282.8353.63116.614
101-200 stems/ha....9.9197.2214.6274.32926.011
201-300 stems/ha2.538..8.5204.8262.1412.83520.813
301-400 stems/ha1.450..5.3263.4312.5371.15813.716
401-500 stems/ha0.771..3.2331.7441.1581.1587.721
501- 600 stems/ha....2.5380.771....3.233
more than 600 stems/ha....1.4501.058..0.41002.835
total4.727..36.9922.91113.11613.21690.86
outside perimeter0-100 stems/ha44.3871.8662.4722.31123.21133.59257.53
101-200 stems/ha52.6774.3675.5618.51324.01128.510273.53
201-300 stems/ha45.7860.1763.178.91917.71321.612217.14
301-400 stems/ha23.81231.11035.1107.92010.21815.015123.15
401-500 stems/ha9.02011.31721.3133.1336.0247.52158.28
501- 600 stems/ha6.1242.53811.0180.31001.8442.14123.812
more than 600 stems/ha2.9352.8359.2190.7710.7711.15817.414
total184.52253.91277.7261.6583.64109.24970.61
total0-100 stems/ha44.3871.8668.5726.41026.01037.09274.03
101-200 stems/ha52.6774.3685.5625.71028.61032.89299.43
201-300 stems/ha48.3860.1771.6613.71519.81224.511237.93
301-400 stems/ha25.21131.11040.4911.31712.71616.014136.85
401-500 stems/ha9.71911.31724.5124.8267.1228.52065.97
501- 600 stems/ha6.1242.53813.5161.0581.8442.14127.011
more than 600 stems/ha2.9352.83510.6181.7450.7711.45020.213
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163388/149768

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified) %± %± %±
AG0-100 stems/ha..41.34.541.34.5
101-200 stems/ha..30.64.230.64.2
201-300 stems/ha..17.43.517.43.5
301-400 stems/ha..8.32.58.32.5
401-500 stems/ha..0.80.80.80.8
501- 600 stems/ha..0.80.80.80.8
more than 600 stems/ha..0.80.80.80.8
total..100.0.100.0.
AI0-100 stems/ha..16.711.113.39.0
101-200 stems/ha......
201-300 stems/ha..25.012.820.010.6
301-400 stems/ha66.727.933.314.040.013.0
401-500 stems/ha33.328.08.38.213.39.0
501- 600 stems/ha......
more than 600 stems/ha..16.711.113.39.0
total100.0.100.0.100.0.
AR0-100 stems/ha..20.88.420.08.1
101-200 stems/ha..4.24.24.04.0
201-300 stems/ha..12.56.912.06.6
301-400 stems/ha..29.29.428.09.1
401-500 stems/ha100.0.20.88.424.08.7
501- 600 stems/ha..4.24.24.04.0
more than 600 stems/ha..8.35.78.05.5
total100.0.100.0.100.0.
BE0-100 stems/ha19.66.224.32.123.92.0
101-200 stems/ha29.27.129.82.229.82.1
201-300 stems/ha26.96.924.72.124.92.0
301-400 stems/ha12.25.112.01.612.01.5
401-500 stems/ha12.25.14.41.05.11.0
501- 600 stems/ha..3.70.93.40.8
more than 600 stems/ha..1.20.51.10.5
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..25.66.425.66.4
101-200 stems/ha..27.86.627.86.6
201-300 stems/ha..34.27.034.27.0
301-400 stems/ha..4.33.04.33.0
401-500 stems/ha..4.33.04.33.0
501- 600 stems/ha..2.12.12.12.1
more than 600 stems/ha..1.71.71.71.7
total..100.0.100.0.
FR0-100 stems/ha33.327.322.54.122.74.0
101-200 stems/ha33.327.325.34.225.54.2
201-300 stems/ha..21.54.020.93.9
301-400 stems/ha33.327.314.03.414.63.4
401-500 stems/ha..10.22.910.02.9
501- 600 stems/ha..2.81.62.71.6
more than 600 stems/ha..3.71.83.61.8
total100.0.100.0.100.0.
GE0-100 stems/ha..21.019.921.019.9
101-200 stems/ha......
201-300 stems/ha..21.019.921.019.9
301-400 stems/ha..58.123.758.123.7
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha40.015.629.08.231.77.3
101-200 stems/ha20.012.822.67.622.06.5
201-300 stems/ha20.012.819.47.219.56.2
301-400 stems/ha..12.96.19.84.7
401-500 stems/ha..6.54.54.93.4
501- 600 stems/ha10.09.66.54.57.34.1
more than 600 stems/ha10.09.63.23.24.93.4
total100.0.100.0.100.0.
GR0-100 stems/ha17.85.126.12.324.92.1
101-200 stems/ha37.56.528.72.429.92.3
201-300 stems/ha16.14.921.62.220.82.0
301-400 stems/ha17.85.112.51.813.21.7
401-500 stems/ha8.93.88.21.58.31.4
501- 600 stems/ha1.81.82.00.72.00.7
more than 600 stems/ha..0.90.50.70.4
total100.0.100.0.100.0.
JU0-100 stems/ha..24.74.724.24.6
101-200 stems/ha..28.24.927.54.8
201-300 stems/ha50.035.522.44.523.04.5
301-400 stems/ha50.035.516.54.017.34.1
401-500 stems/ha..5.92.65.82.5
501- 600 stems/ha..1.21.21.21.2
more than 600 stems/ha..1.21.21.21.2
total100.0.100.0.100.0.
LU0-100 stems/ha..17.03.416.73.3
101-200 stems/ha..42.14.441.54.4
201-300 stems/ha50.035.518.63.519.13.5
301-400 stems/ha..9.72.79.62.6
401-500 stems/ha..5.82.15.72.1
501- 600 stems/ha..2.41.42.41.4
more than 600 stems/ha50.035.54.21.94.92.0
total100.0.100.0.100.0.
NE0-100 stems/ha..28.25.027.24.9
101-200 stems/ha..29.45.128.44.9
201-300 stems/ha100.0.23.04.725.74.8
301-400 stems/ha..14.63.914.03.8
401-500 stems/ha..2.41.72.31.6
501- 600 stems/ha..2.41.72.31.6
more than 600 stems/ha......
total100.0.100.0.100.0.
NW0-100 stems/ha..7.17.05.95.8
101-200 stems/ha33.327.87.17.011.88.0
201-300 stems/ha33.327.828.612.329.411.3
301-400 stems/ha..28.612.323.510.5
401-500 stems/ha33.327.87.17.011.88.0
501- 600 stems/ha..21.411.217.69.4
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha..28.16.725.46.1
101-200 stems/ha20.018.121.86.121.65.8
201-300 stems/ha40.022.117.45.619.65.6
301-400 stems/ha20.018.117.45.617.75.4
401-500 stems/ha20.018.16.53.77.93.8
501- 600 stems/ha..2.22.22.02.0
more than 600 stems/ha..6.53.75.93.3
total100.0.100.0.100.0.
SG0-100 stems/ha20.012.718.93.518.93.3
101-200 stems/ha40.015.524.43.825.63.7
201-300 stems/ha10.09.525.23.924.13.7
301-400 stems/ha10.09.513.43.013.12.9
401-500 stems/ha..11.02.810.22.6
501- 600 stems/ha10.09.53.91.74.41.8
more than 600 stems/ha10.09.53.21.63.71.6
total100.0.100.0.100.0.
SH0-100 stems/ha..13.95.813.95.8
101-200 stems/ha..30.67.830.67.8
201-300 stems/ha..30.67.830.67.8
301-400 stems/ha..5.63.95.63.9
401-500 stems/ha..16.76.316.76.3
501- 600 stems/ha..2.82.82.82.8
more than 600 stems/ha......
total..100.0.100.0.
SO0-100 stems/ha..26.54.926.54.9
101-200 stems/ha..31.35.131.35.1
201-300 stems/ha..19.34.319.34.3
301-400 stems/ha..14.53.914.53.9
401-500 stems/ha..6.02.66.02.6
501- 600 stems/ha..1.21.21.21.2
more than 600 stems/ha..1.21.21.21.2
total..100.0.100.0.
SZ0-100 stems/ha33.319.318.54.819.74.7
101-200 stems/ha16.715.329.25.728.25.4
201-300 stems/ha..26.15.523.95.1
301-400 stems/ha50.020.516.94.719.74.7
401-500 stems/ha..6.23.05.62.8
501- 600 stems/ha..1.51.51.41.4
more than 600 stems/ha..1.61.51.41.4
total100.0.100.0.100.0.
TG0-100 stems/ha..25.65.225.65.2
101-200 stems/ha..27.05.327.05.3
201-300 stems/ha..24.65.224.65.2
301-400 stems/ha..14.24.214.24.2
401-500 stems/ha..5.72.85.72.8
501- 600 stems/ha..1.41.41.41.4
more than 600 stems/ha..1.41.41.41.4
total..100.0.100.0.
TI0-100 stems/ha30.59.632.33.032.12.9
101-200 stems/ha26.09.227.02.826.92.7
201-300 stems/ha30.49.619.52.520.42.5
301-400 stems/ha4.34.314.32.213.52.1
401-500 stems/ha4.34.34.51.34.51.3
501- 600 stems/ha..1.60.81.50.7
more than 600 stems/ha4.34.30.80.61.10.6
total100.0.100.0.100.0.
UR0-100 stems/ha11.110.521.67.119.46.1
101-200 stems/ha22.213.923.27.223.06.4
201-300 stems/ha33.315.817.46.520.76.2
301-400 stems/ha11.110.514.56.013.85.3
401-500 stems/ha..8.74.86.93.9
501- 600 stems/ha22.213.95.84.09.24.4
more than 600 stems/ha..8.74.86.93.9
total100.0.100.0.100.0.
VD0-100 stems/ha..25.42.824.42.7
101-200 stems/ha20.012.729.23.028.82.9
201-300 stems/ha20.012.725.52.825.32.8
301-400 stems/ha20.012.79.41.99.81.9
401-500 stems/ha10.09.54.31.34.51.3
501- 600 stems/ha20.012.74.21.34.91.4
more than 600 stems/ha10.09.52.10.92.41.0
total100.0.100.0.100.0.
VS0-100 stems/ha17.04.535.63.430.82.8
101-200 stems/ha29.65.428.73.229.02.7
201-300 stems/ha22.55.015.82.617.62.3
301-400 stems/ha15.54.311.92.312.82.0
401-500 stems/ha8.43.35.91.76.61.5
501- 600 stems/ha2.82.00.50.51.10.6
more than 600 stems/ha4.22.41.50.92.20.9
total100.0.100.0.100.0.
ZG0-100 stems/ha..38.513.938.513.9
101-200 stems/ha..30.813.230.813.2
201-300 stems/ha..23.112.123.112.1
301-400 stems/ha..7.77.77.77.7
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
ZH0-100 stems/ha..30.13.830.13.8
101-200 stems/ha..23.83.623.83.6
201-300 stems/ha..28.73.828.73.8
301-400 stems/ha..11.92.711.92.7
401-500 stems/ha..4.91.84.91.8
501- 600 stems/ha......
more than 600 stems/ha..0.70.70.70.7
total..100.0.100.0.
Switzerland0-100 stems/ha18.32.426.70.825.90.8
101-200 stems/ha28.72.828.10.928.20.8
201-300 stems/ha22.82.622.40.822.40.8
301-400 stems/ha15.12.212.60.612.90.6
401-500 stems/ha8.51.76.00.56.20.4
501- 600 stems/ha3.51.22.40.32.50.3
more than 600 stems/ha3.11.11.80.31.90.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #163389/149769

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..20.11120.111
101-200 stems/ha..14.91414.914
201-300 stems/ha..8.5208.520
301-400 stems/ha..4.0304.030
401-500 stems/ha..0.41000.4100
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..48.7248.72
AI0-100 stems/ha..0.6690.669
101-200 stems/ha......
201-300 stems/ha..1.0541.054
301-400 stems/ha0.6691.3451.934
401-500 stems/ha0.31000.31000.669
501- 600 stems/ha......
more than 600 stems/ha..0.6690.669
total1.0543.9174.811
AR0-100 stems/ha..1.6411.641
101-200 stems/ha..0.31000.3100
201-300 stems/ha..1.0551.055
301-400 stems/ha..2.2332.233
401-500 stems/ha0.31001.6411.936
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha..0.6690.669
total0.31007.768.05
BE0-100 stems/ha2.83536.0938.78
101-200 stems/ha4.12944.2848.37
201-300 stems/ha3.83036.6940.38
301-400 stems/ha1.74517.81319.513
401-500 stems/ha1.7456.5238.220
501- 600 stems/ha..5.5255.525
more than 600 stems/ha..1.7451.745
total14.115148.22162.32
BL/BS0-100 stems/ha..4.9264.926
101-200 stems/ha..5.3245.324
201-300 stems/ha..6.5216.521
301-400 stems/ha..0.8700.870
401-500 stems/ha..0.8700.870
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.31000.3100
total..19.1619.16
FR0-100 stems/ha0.41009.0189.318
101-200 stems/ha0.410010.11710.517
201-300 stems/ha..8.6198.619
301-400 stems/ha0.41005.6246.023
401-500 stems/ha..4.1294.129
501- 600 stems/ha..1.1571.157
more than 600 stems/ha..1.5491.549
total1.15740.0441.13
GE0-100 stems/ha..0.51000.5100
101-200 stems/ha......
201-300 stems/ha..0.51000.5100
301-400 stems/ha..1.3541.354
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..2.2342.234
GL0-100 stems/ha1.5493.5315.024
101-200 stems/ha0.8702.7363.531
201-300 stems/ha0.8702.3393.133
301-400 stems/ha..1.5491.549
401-500 stems/ha..0.8700.870
501- 600 stems/ha0.41000.8701.257
more than 600 stems/ha0.41000.41000.870
total3.92911.91215.88
GR0-100 stems/ha3.53132.01035.59
101-200 stems/ha7.32135.3942.68
201-300 stems/ha3.13326.51129.710
301-400 stems/ha3.53115.41418.813
401-500 stems/ha1.74510.11811.917
501- 600 stems/ha0.31002.4382.835
more than 600 stems/ha..1.0581.058
total19.613122.83142.33
JU0-100 stems/ha..8.2198.219
101-200 stems/ha..9.3189.318
201-300 stems/ha0.41007.4217.820
301-400 stems/ha0.41005.5255.824
401-500 stems/ha..1.9441.944
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total0.87033.1333.93
LU0-100 stems/ha..6.6206.620
101-200 stems/ha..16.31116.311
201-300 stems/ha0.31007.2197.519
301-400 stems/ha..3.8283.828
401-500 stems/ha..2.3372.337
501- 600 stems/ha..0.9570.957
more than 600 stems/ha0.31001.6441.940
total0.67038.7339.33
NE0-100 stems/ha..7.4197.419
101-200 stems/ha..7.8187.818
201-300 stems/ha1.0576.1217.019
301-400 stems/ha..3.8273.827
401-500 stems/ha..0.6700.670
501- 600 stems/ha..0.6700.670
more than 600 stems/ha......
total1.05726.4527.44
NW0-100 stems/ha..0.41000.4100
101-200 stems/ha0.41000.41000.869
201-300 stems/ha0.41001.5461.940
301-400 stems/ha..1.5461.546
401-500 stems/ha0.41000.41000.869
501- 600 stems/ha..1.2551.255
more than 600 stems/ha......
total1.2555.4176.513
OW0-100 stems/ha..4.8254.825
101-200 stems/ha0.41003.7294.127
201-300 stems/ha0.7703.0333.729
301-400 stems/ha0.41003.0333.431
401-500 stems/ha0.41001.1571.549
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..1.1571.157
total1.94317.2619.04
SG0-100 stems/ha0.7708.7199.419
101-200 stems/ha1.45011.21612.715
201-300 stems/ha0.410011.61611.916
301-400 stems/ha0.41006.1236.522
401-500 stems/ha..5.1265.126
501- 600 stems/ha0.41001.8442.240
more than 600 stems/ha0.41001.4501.844
total3.63145.9549.54
SH0-100 stems/ha..1.8421.842
101-200 stems/ha..3.9263.926
201-300 stems/ha..3.9263.926
301-400 stems/ha..0.7700.770
401-500 stems/ha..2.1382.138
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha......
total..12.8312.83
SO0-100 stems/ha..8.3198.319
101-200 stems/ha..9.8179.817
201-300 stems/ha..6.1236.123
301-400 stems/ha..4.5274.527
401-500 stems/ha..1.9441.944
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..31.4431.44
SZ0-100 stems/ha0.7704.3275.125
101-200 stems/ha0.41006.9207.220
201-300 stems/ha..6.2226.222
301-400 stems/ha1.1574.0285.125
401-500 stems/ha..1.4491.449
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total2.24023.5625.75
TG0-100 stems/ha..5.4215.421
101-200 stems/ha..5.7205.720
201-300 stems/ha..5.2225.222
301-400 stems/ha..3.0303.030
401-500 stems/ha..1.2491.249
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha..0.31000.3100
total..21.0421.04
TI0-100 stems/ha2.53828.31030.810
101-200 stems/ha2.14123.61125.811
201-300 stems/ha2.53717.11419.613
301-400 stems/ha0.410012.51612.916
401-500 stems/ha0.41003.9304.328
501- 600 stems/ha..1.4501.450
more than 600 stems/ha0.41000.7711.158
total8.32087.6495.94
UR0-100 stems/ha0.31002.4372.835
101-200 stems/ha0.7702.6343.330
201-300 stems/ha1.0572.0393.031
301-400 stems/ha0.31001.7432.039
401-500 stems/ha..1.0571.057
501- 600 stems/ha0.7700.7701.349
more than 600 stems/ha..1.0571.057
total3.03111.41414.311
VD0-100 stems/ha..22.71222.712
101-200 stems/ha0.87126.11126.811
201-300 stems/ha0.87122.81123.511
301-400 stems/ha0.8718.4209.120
401-500 stems/ha0.41003.8314.230
501- 600 stems/ha0.8713.8314.528
more than 600 stems/ha0.41001.9442.340
total3.83189.4393.23
VS0-100 stems/ha4.12924.71128.810
101-200 stems/ha7.22119.91227.110
201-300 stems/ha5.52511.01716.514
301-400 stems/ha3.8308.22012.016
401-500 stems/ha2.1414.1286.223
501- 600 stems/ha0.7710.31001.058
more than 600 stems/ha1.0581.0582.141
total24.41169.3593.73
ZG0-100 stems/ha..2.1372.137
101-200 stems/ha..1.7441.744
201-300 stems/ha..1.3531.353
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..5.695.69
ZH0-100 stems/ha..15.21315.213
101-200 stems/ha..12.01512.015
201-300 stems/ha..14.51314.513
301-400 stems/ha..6.0236.023
401-500 stems/ha..2.5372.537
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total..50.4250.42
Switzerland0-100 stems/ha16.614259.53276.13
101-200 stems/ha25.911273.83299.73
201-300 stems/ha20.613218.04238.63
301-400 stems/ha13.616123.15136.85
401-500 stems/ha7.62158.0865.77
501- 600 stems/ha3.23323.81227.011
more than 600 stems/ha2.83517.31420.113
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #163390/149770

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · 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
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha....8.54.720.03.025.87.418.22.4
101-200 stems/ha....31.47.929.13.434.38.028.62.8
201-300 stems/ha53.813.8..17.16.422.33.120.06.822.92.6
301-400 stems/ha30.812.8..20.06.814.32.68.64.715.22.2
401-500 stems/ha15.410.0..14.35.96.91.98.64.78.61.7
501- 600 stems/ha....2.92.84.61.6..3.51.1
more than 600 stems/ha....5.73.92.91.32.92.83.11.1
total100.0...100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.11.830.41.819.11.729.21.730.82.726.50.8
101-200 stems/ha28.72.029.31.828.52.027.51.625.92.528.20.9
201-300 stems/ha26.41.921.31.622.71.821.31.519.52.322.40.8
301-400 stems/ha12.41.412.71.313.31.511.81.213.92.012.70.6
401-500 stems/ha5.41.03.70.78.41.26.30.97.01.56.00.5
501- 600 stems/ha2.70.71.20.44.30.92.20.52.00.82.50.3
more than 600 stems/ha1.30.51.20.43.60.81.60.51.00.61.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.61.830.41.818.51.627.41.530.32.525.80.8
101-200 stems/ha28.01.929.31.828.71.927.81.526.72.428.20.8
201-300 stems/ha27.11.921.31.622.41.721.51.419.52.222.40.8
301-400 stems/ha12.91.412.71.313.71.412.31.113.41.912.90.6
401-500 stems/ha5.61.03.70.78.81.26.40.87.11.46.20.4
501- 600 stems/ha2.60.71.20.44.20.82.60.51.80.72.50.3
more than 600 stems/ha1.30.51.20.43.70.81.90.51.20.61.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163391/149771

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · 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
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....1.15812.1173.23316.414
101-200 stems/ha....4.03017.6144.32925.811
201-300 stems/ha2.638..2.24113.5162.53820.713
301-400 stems/ha1.550..2.5388.6201.15813.716
401-500 stems/ha0.771..1.8454.1291.1587.721
501- 600 stems/ha....0.41002.835..3.133
more than 600 stems/ha....0.7711.7450.41002.835
total4.727..12.61660.5712.41690.36
outside perimeter0-100 stems/ha44.2868.9636.8974.3632.99257.03
101-200 stems/ha54.7766.4654.8770.0627.610273.63
201-300 stems/ha50.4748.1843.6854.2720.812217.24
301-400 stems/ha23.71228.81025.61130.11014.915123.15
401-500 stems/ha10.2188.42016.21415.9147.42158.28
501- 600 stems/ha5.1262.8358.3205.5252.14123.912
more than 600 stems/ha2.6382.8356.8234.2291.15817.414
total190.92226.31192.12254.22106.94970.41
total0-100 stems/ha44.2868.9637.8986.4636.19273.43
101-200 stems/ha54.7766.4658.8787.6631.910299.43
201-300 stems/ha52.9748.1845.8867.7723.311237.83
301-400 stems/ha25.21128.81028.11138.7915.914136.85
401-500 stems/ha11.0188.42018.01420.1138.52066.07
501- 600 stems/ha5.1262.8358.7208.3202.14127.011
more than 600 stems/ha2.6382.8357.6225.9241.45020.313
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163392/149772
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