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NFI3

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha....12.511.79.93.83.43.47.42.5
101-200 stems/ha....12.511.78.23.517.47.110.22.9
201-300 stems/ha11.010.4..12.511.714.74.513.86.413.83.3
301-400 stems/ha22.213.9..12.511.721.35.213.86.418.53.7
401-500 stems/ha..100.0...6.63.210.35.77.42.5
501-600 stems/ha22.213.9....13.14.33.43.410.22.9
more than 600 stems/ha44.516.6..50.017.726.25.637.99.032.54.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha7.81.211.21.28.21.211.41.19.81.79.90.6
101-200 stems/ha14.21.515.41.410.91.314.81.212.71.913.80.6
201-300 stems/ha16.71.618.81.515.01.515.81.312.61.916.10.7
301-400 stems/ha14.41.515.21.418.81.714.31.213.62.015.30.7
401-500 stems/ha13.51.512.41.312.51.411.81.111.61.812.40.6
501-600 stems/ha10.81.47.21.08.61.28.71.011.71.89.10.5
more than 600 stems/ha22.61.819.81.626.11.923.31.527.92.623.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha7.61.111.21.28.31.211.31.19.21.69.80.5
101-200 stems/ha14.01.515.41.410.91.314.31.213.11.813.70.6
201-300 stems/ha16.61.618.81.515.01.515.71.212.71.816.10.7
301-400 stems/ha14.61.515.21.418.71.614.71.213.71.915.40.7
401-500 stems/ha13.21.512.61.312.31.411.41.111.51.712.20.6
501-600 stems/ha11.01.47.11.08.51.29.00.911.01.79.10.5
more than 600 stems/ha22.91.819.71.626.41.923.51.428.82.523.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #160265/146644

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....0.41002.1410.41002.835
101-200 stems/ha....0.41001.7451.8453.930
201-300 stems/ha0.4100..0.41003.1331.4505.226
301-400 stems/ha0.771..0.41004.5281.4507.022
401-500 stems/ha..0.4100..1.4501.1582.835
501-600 stems/ha0.771....2.8350.41003.830
more than 600 stems/ha1.550..1.4505.5253.93012.317
total3.3330.41002.93521.11210.31837.99
outside perimeter0-100 stems/ha15.01525.31116.61433.41010.718100.96
101-200 stems/ha27.41134.8922.01243.3913.815141.35
201-300 stems/ha32.11042.5830.31046.3813.815165.04
301-400 stems/ha27.81134.4937.8941.9914.915156.84
401-500 stems/ha25.91128.11125.21134.61012.716126.55
501-600 stems/ha20.81316.21417.31425.61112.71692.66
more than 600 stems/ha43.4844.6852.6768.5730.510239.73
total192.42225.91201.82293.52109.041022.71
total0-100 stems/ha15.01525.31116.91435.51011.017103.76
101-200 stems/ha27.41134.8922.31245.0815.614145.15
201-300 stems/ha32.51042.5830.61049.4815.215170.34
301-400 stems/ha28.51134.4938.2946.4816.314163.84
401-500 stems/ha25.91128.51025.21136.0913.815129.35
501-600 stems/ha21.51216.21417.31428.31113.11696.46
more than 600 stems/ha44.9844.6854.1774.0634.49252.03
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #160266/146645

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha..11.87.89.16.18.65.816.715.23.43.47.42.5
101-200 stems/ha..11.87.84.54.48.35.616.715.217.47.110.22.9
201-300 stems/ha10.19.65.95.718.28.220.88.3..13.86.413.83.3
301-400 stems/ha20.012.623.510.313.67.320.88.333.319.313.86.418.53.7
401-500 stems/ha10.09.55.95.79.16.14.24.1..10.35.77.42.5
501-600 stems/ha20.012.65.95.713.67.316.67.6..3.43.410.12.9
more than 600 stems/ha39.915.535.311.631.89.920.88.333.319.337.99.032.54.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha9.70.910.21.39.41.710.51.910.51.79.81.79.90.6
101-200 stems/ha14.91.013.51.59.81.714.02.215.32.012.71.913.80.6
201-300 stems/ha17.91.114.51.613.11.916.02.318.92.112.61.916.20.7
301-400 stems/ha14.91.017.41.717.12.113.32.215.02.013.62.015.30.7
401-500 stems/ha12.91.011.01.412.61.914.02.211.71.811.61.812.30.6
501-600 stems/ha8.80.89.21.310.11.78.01.76.91.411.71.89.00.5
more than 600 stems/ha21.01.224.31.927.92.524.12.721.62.327.92.623.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha9.60.910.21.39.41.610.31.810.61.79.21.69.80.5
101-200 stems/ha14.71.013.41.59.51.613.52.115.32.013.11.813.70.6
201-300 stems/ha17.81.114.21.513.41.916.52.218.62.112.71.816.10.7
301-400 stems/ha14.91.017.61.716.92.013.92.115.42.013.71.915.40.7
401-500 stems/ha12.91.010.81.412.41.813.22.011.51.711.51.712.20.6
501-600 stems/ha8.90.89.11.310.31.78.81.76.81.411.01.79.10.5
more than 600 stems/ha21.21.224.61.928.12.523.82.621.82.228.82.523.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #160267/146646

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha..0.7710.7710.7710.41000.41002.835
101-200 stems/ha..0.7710.31000.7710.41001.8453.930
201-300 stems/ha0.41000.41001.4501.744..1.4505.226
301-400 stems/ha0.7711.4501.0581.7440.7711.4507.022
401-500 stems/ha0.41000.41000.7710.3100..1.1582.835
501-600 stems/ha0.7710.41001.0581.450..0.41003.830
more than 600 stems/ha1.4502.2412.4381.7440.7713.93012.317
total3.6326.1247.6218.2202.14110.31837.99
outside perimeter0-100 stems/ha40.4918.81310.2188.91912.31610.718101.36
101-200 stems/ha62.3724.91110.71712.01617.91313.815141.65
201-300 stems/ha74.7626.71114.31513.71522.11213.815165.44
301-400 stems/ha62.2732.11018.61311.31717.61314.915156.74
401-500 stems/ha54.0820.21313.81512.01613.71512.716126.45
501-600 stems/ha36.8916.91411.0176.9228.12012.71692.56
more than 600 stems/ha88.0644.7830.41020.61225.31130.510239.43
total418.51184.32109.1385.44116.93109.041023.21
total0-100 stems/ha40.4919.51310.9189.61812.61611.017104.16
101-200 stems/ha62.3725.61111.01712.71618.31315.614145.45
201-300 stems/ha75.1627.01115.71415.41422.11215.215170.64
301-400 stems/ha62.9733.51019.71213.01518.31316.314163.84
401-500 stems/ha54.4820.61314.51512.31613.71513.815129.25
501-600 stems/ha37.6917.31412.1168.2208.12013.11696.36
more than 600 stems/ha89.4646.9832.8922.31126.01134.49251.83
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #160268/146647

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified) %± %± %±
Western Jura0-100 stems/ha..6.91.36.71.2
101-200 stems/ha..14.41.714.21.7
201-300 stems/ha12.912.015.41.815.31.8
301-400 stems/ha24.915.313.71.713.91.7
401-500 stems/ha..14.91.814.61.7
501-600 stems/ha12.411.711.31.611.31.6
more than 600 stems/ha49.817.723.52.124.02.1
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha..11.02.910.92.9
101-200 stems/ha..13.63.213.53.1
201-300 stems/ha..21.23.821.03.7
301-400 stems/ha..17.03.516.83.4
401-500 stems/ha..8.52.68.42.6
501-600 stems/ha100.0.9.32.710.12.8
more than 600 stems/ha..19.43.619.23.6
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha..11.22.911.22.9
101-200 stems/ha..13.93.213.93.2
201-300 stems/ha..15.73.415.73.4
301-400 stems/ha..14.93.314.93.3
401-500 stems/ha..14.73.314.73.3
501-600 stems/ha..7.02.47.02.4
more than 600 stems/ha..22.63.922.63.9
total..100.0.100.0.
Central Plateau0-100 stems/ha..11.32.111.32.1
101-200 stems/ha..12.32.212.32.2
201-300 stems/ha..21.32.821.22.7
301-400 stems/ha..15.92.515.82.5
401-500 stems/ha100.0.11.32.111.72.2
501-600 stems/ha..6.31.66.31.6
more than 600 stems/ha..21.52.821.42.8
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..11.01.811.01.8
101-200 stems/ha..18.22.218.22.2
201-300 stems/ha..18.22.218.22.2
301-400 stems/ha..14.92.014.92.0
401-500 stems/ha..12.31.912.31.9
501-600 stems/ha..7.81.57.81.5
more than 600 stems/ha..17.52.217.52.2
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha..12.73.212.63.2
101-200 stems/ha..10.82.910.72.9
201-300 stems/ha..16.43.516.23.5
301-400 stems/ha100.0.16.43.517.13.6
401-500 stems/ha..9.12.89.02.7
501-600 stems/ha..8.22.68.12.6
more than 600 stems/ha..26.44.226.14.2
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha25.021.76.91.67.21.6
101-200 stems/ha..13.52.113.32.1
201-300 stems/ha25.021.714.62.214.82.2
301-400 stems/ha..19.62.519.32.4
401-500 stems/ha..11.92.011.72.0
501-600 stems/ha..7.31.67.21.6
more than 600 stems/ha50.025.026.22.726.52.7
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..7.41.97.21.9
101-200 stems/ha33.327.37.41.97.81.9
201-300 stems/ha..14.72.614.52.5
301-400 stems/ha..18.92.818.72.8
401-500 stems/ha..15.32.615.02.6
501-600 stems/ha..10.52.210.42.2
more than 600 stems/ha66.727.325.83.226.43.2
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha8.38.014.22.913.72.8
101-200 stems/ha16.710.815.63.115.72.9
201-300 stems/ha..12.82.811.82.6
301-400 stems/ha25.012.514.22.915.02.9
401-500 stems/ha8.38.010.62.610.42.5
501-600 stems/ha8.38.013.52.913.12.7
more than 600 stems/ha33.313.619.13.320.33.3
total100.0.100.0.100.0.
Central Alps0-100 stems/ha..11.24.39.53.7
101-200 stems/ha..14.74.812.54.1
201-300 stems/ha10.09.511.14.310.93.9
301-400 stems/ha10.09.59.44.09.53.7
401-500 stems/ha10.09.59.23.99.33.6
501-600 stems/ha30.014.611.14.314.04.3
more than 600 stems/ha40.015.633.36.434.46.0
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha22.213.912.74.013.83.9
101-200 stems/ha..12.74.011.23.5
201-300 stems/ha33.315.89.93.612.53.7
301-400 stems/ha22.213.918.34.618.74.4
401-500 stems/ha11.110.58.43.38.73.2
501-600 stems/ha..8.43.37.53.0
more than 600 stems/ha11.110.529.65.427.55.0
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha8.65.810.51.910.31.8
101-200 stems/ha8.35.614.02.213.52.1
201-300 stems/ha20.88.316.02.316.52.2
301-400 stems/ha20.88.313.32.213.92.1
401-500 stems/ha4.24.114.02.213.22.0
501-600 stems/ha16.67.68.01.78.81.7
more than 600 stems/ha20.88.324.12.723.82.6
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha16.715.210.51.710.61.7
101-200 stems/ha16.715.215.32.015.32.0
201-300 stems/ha..18.92.118.62.1
301-400 stems/ha33.319.315.02.015.42.0
401-500 stems/ha..11.71.811.51.7
501-600 stems/ha..6.91.46.81.4
more than 600 stems/ha33.319.321.62.321.82.2
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha3.43.49.81.79.21.6
101-200 stems/ha17.47.112.71.913.11.8
201-300 stems/ha13.86.412.61.912.71.8
301-400 stems/ha13.86.413.62.013.71.9
401-500 stems/ha10.35.711.61.811.51.7
501-600 stems/ha3.43.411.71.811.01.7
more than 600 stems/ha37.99.027.92.628.82.5
total100.0.100.0.100.0.
Switzerland0-100 stems/ha7.52.59.90.69.80.5
101-200 stems/ha10.22.913.80.613.70.6
201-300 stems/ha13.93.316.10.716.00.7
301-400 stems/ha18.53.715.30.715.50.7
401-500 stems/ha7.32.512.40.612.20.6
501-600 stems/ha10.22.99.10.59.10.5
more than 600 stems/ha32.44.523.40.823.70.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #160269/146648

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha..10.01810.018
101-200 stems/ha..21.11221.112
201-300 stems/ha0.410022.51222.812
301-400 stems/ha0.77120.01320.712
401-500 stems/ha..21.81221.812
501-600 stems/ha0.410016.41416.814
more than 600 stems/ha1.45034.3935.79
total2.935146.02148.92
Eastern Jura0-100 stems/ha..5.1265.126
101-200 stems/ha..6.3236.323
201-300 stems/ha..9.9189.918
301-400 stems/ha..7.9217.921
401-500 stems/ha..4.0304.030
501-600 stems/ha0.41004.4294.728
more than 600 stems/ha..9.0199.019
total0.410046.6347.03
Western Plateau0-100 stems/ha..5.3275.327
101-200 stems/ha..6.5246.524
201-300 stems/ha..7.4227.422
301-400 stems/ha..7.0237.023
401-500 stems/ha..6.9236.923
501-600 stems/ha..3.3343.334
more than 600 stems/ha..10.71810.718
total..47.2447.24
Central Plateau0-100 stems/ha..7.7197.719
101-200 stems/ha..8.4188.418
201-300 stems/ha..14.61314.613
301-400 stems/ha..10.81610.816
401-500 stems/ha0.31007.7198.119
501-600 stems/ha..4.3264.326
more than 600 stems/ha..14.71314.713
total0.310068.4268.72
Eastern Plateau0-100 stems/ha..12.21612.216
101-200 stems/ha..20.01220.012
201-300 stems/ha..20.01220.012
301-400 stems/ha..16.41416.414
401-500 stems/ha..13.61513.615
501-600 stems/ha..8.6208.620
more than 600 stems/ha..19.31219.312
total..110.12110.12
Western Pre-Alps0-100 stems/ha..5.2255.225
101-200 stems/ha..4.4284.428
201-300 stems/ha..6.7226.722
301-400 stems/ha0.41006.7227.021
401-500 stems/ha..3.7303.730
501-600 stems/ha..3.3323.332
more than 600 stems/ha..10.71710.717
total0.410040.7441.14
Central Pre-Alps0-100 stems/ha0.41006.5236.822
101-200 stems/ha..12.51612.516
201-300 stems/ha0.410013.61514.015
301-400 stems/ha..18.31318.313
401-500 stems/ha..11.11711.117
501-600 stems/ha..6.8226.822
more than 600 stems/ha0.77124.41125.111
total1.45093.2394.72
Eastern Pre-Alps0-100 stems/ha..5.0265.026
101-200 stems/ha0.41005.0265.425
201-300 stems/ha..10.01810.018
301-400 stems/ha..12.91512.915
401-500 stems/ha..10.41710.417
501-600 stems/ha..7.1217.121
more than 600 stems/ha0.77117.51318.212
total1.15767.9368.93
Northwestern Alps0-100 stems/ha0.41007.2217.521
101-200 stems/ha0.7717.9208.619
201-300 stems/ha..6.4236.423
301-400 stems/ha1.1577.1218.220
401-500 stems/ha0.41005.4255.724
501-600 stems/ha0.41006.8227.121
more than 600 stems/ha1.4509.61811.117
total4.32850.4554.74
Central Alps0-100 stems/ha..2.1402.140
101-200 stems/ha..2.7342.734
201-300 stems/ha0.31002.1402.437
301-400 stems/ha0.31001.7442.140
401-500 stems/ha0.31001.7442.140
501-600 stems/ha1.0572.1403.132
more than 600 stems/ha1.4496.2227.619
total3.43018.61022.18
Northeastern Alps0-100 stems/ha0.7703.2333.929
101-200 stems/ha..3.2323.232
201-300 stems/ha1.1572.5373.630
301-400 stems/ha0.7704.7265.424
401-500 stems/ha0.41002.1402.537
501-600 stems/ha..2.1402.140
more than 600 stems/ha0.41007.5207.919
total3.23225.4828.76
Southwestern Alps0-100 stems/ha0.7718.9199.618
101-200 stems/ha0.77112.01612.716
201-300 stems/ha1.74413.71515.414
301-400 stems/ha1.74411.31713.015
401-500 stems/ha0.310012.01612.316
501-600 stems/ha1.4506.9228.220
more than 600 stems/ha1.74420.61222.311
total8.22085.4493.73
Southeastern Alps0-100 stems/ha0.410012.31612.616
101-200 stems/ha0.410017.91318.313
201-300 stems/ha..22.11222.112
301-400 stems/ha0.77117.61318.313
401-500 stems/ha..13.71513.715
501-600 stems/ha..8.1208.120
more than 600 stems/ha0.77125.31126.011
total2.141116.93119.03
Southern Alps0-100 stems/ha0.410010.71811.017
101-200 stems/ha1.84513.81515.614
201-300 stems/ha1.45013.81515.215
301-400 stems/ha1.45014.91516.314
401-500 stems/ha1.15812.71613.815
501-600 stems/ha0.410012.71613.116
more than 600 stems/ha3.93030.51034.49
total10.318109.04119.33
Switzerland0-100 stems/ha2.835101.36104.26
101-200 stems/ha3.930141.95145.85
201-300 stems/ha5.326165.34170.64
301-400 stems/ha7.022157.34164.44
401-500 stems/ha2.835126.85129.55
501-600 stems/ha3.93093.0696.86
more than 600 stems/ha12.317240.33252.63
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #160270/146649

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a....5.33.64.44.3....2.81.6
crowded33.315.750.035.431.67.512.56.716.715.224.17.925.14.2
normal44.416.6..31.67.520.88.366.719.320.87.628.84.4
loose..50.035.45.33.68.35.616.715.224.17.912.03.1
open....13.25.516.67.6..10.35.711.03.0
scattered22.413.9..7.94.44.24.1....5.62.2
grouped crowded....5.33.616.67.6..10.35.78.32.6
grouped normal......12.56.7....2.71.5
heterogeneous......4.24.1..10.35.73.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.00.43.10.64.10.71.30.81.90.81.30.62.50.3
crowded26.51.927.51.721.21.410.82.112.02.025.72.522.60.8
normal29.62.038.11.823.11.414.82.415.32.221.62.326.50.8
loose16.51.613.41.310.61.113.02.310.51.910.51.712.50.6
open14.51.611.51.217.11.318.82.617.12.315.32.015.20.7
scattered7.01.13.90.78.41.012.12.215.02.28.01.57.90.5
grouped crowded1.40.50.80.37.10.913.02.37.11.67.31.55.00.4
grouped normal1.50.50.40.24.00.712.22.29.71.85.71.34.00.4
heterogeneous1.90.61.30.44.50.74.01.311.62.04.71.23.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.00.43.10.64.10.71.60.81.80.81.20.62.60.3
crowded26.71.927.61.721.71.410.92.012.12.025.62.422.70.8
normal29.92.038.01.823.51.415.42.316.52.221.52.226.60.8
loose16.21.613.51.310.41.012.62.110.61.911.61.712.50.6
open14.31.511.41.216.91.318.62.516.72.314.81.915.00.7
scattered7.21.13.90.78.40.911.32.014.62.17.31.47.80.5
grouped crowded1.30.50.80.37.00.913.32.27.01.57.61.45.10.4
grouped normal1.50.50.40.23.80.612.22.19.51.85.21.23.90.4
heterogeneous1.90.61.30.44.30.74.01.311.31.95.21.23.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160271/146650

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.7710.4100....1.158
crowded1.1580.41004.3291.0580.41002.5389.619
normal1.450..4.3291.7441.4502.24111.018
loose..0.41000.7710.7710.41002.5384.628
open....1.8451.450..1.1584.229
scattered0.771..1.1580.3100....2.141
grouped crowded....0.7711.450..1.1583.133
grouped normal......1.058....1.058
heterogeneous......0.3100..1.1581.450
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a1.8457.82112.2171.0581.8441.45026.012
crowded49.4769.7663.978.22011.31728.810231.24
normal55.1796.5569.6611.31714.51524.211271.23
loose30.61034.01031.91010.0189.91811.817128.15
open27.01129.01051.4814.41416.11417.114155.14
scattered13.0169.91925.3129.21814.2158.92080.56
grouped crowded2.5382.14121.3139.9186.7228.22050.88
grouped normal2.9351.15812.1179.3199.2196.42340.89
heterogeneous3.6313.23313.5163.13311.0175.32639.69
total185.92253.21301.1276.4494.63112.131023.21
totaln/a1.8457.82112.9171.4501.8441.45027.111
crowded50.4770.0668.179.21811.71731.310240.83
normal56.6796.5573.8613.01515.91426.311282.13
loose30.61034.31032.61010.61710.21814.215132.75
open27.01129.01053.2815.71416.11418.213159.34
scattered13.7169.91926.3119.61814.2158.92082.66
grouped crowded2.5382.14122.01211.3176.7229.31953.98
grouped normal2.9351.15812.11710.3189.2196.42341.99
heterogeneous3.6313.23313.5163.43111.0176.32341.09
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160272/146651

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure %± %± %±
AGn/a..2.51.42.51.4
crowded..31.44.231.44.2
normal..40.54.540.54.5
loose..10.72.810.72.8
open..10.72.810.72.8
scattered..2.51.42.51.4
grouped crowded..0.80.80.80.8
grouped normal......
heterogeneous..0.80.80.80.8
total..100.0.100.0.
AIn/a......
crowded......
normal..33.312.533.312.5
loose..26.711.726.711.7
open..40.013.040.013.0
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
ARn/a......
crowded..84.07.184.07.1
normal..8.05.58.05.5
loose......
open......
scattered......
grouped crowded..4.04.04.04.0
grouped normal..4.04.04.04.0
heterogeneous......
total..100.0.100.0.
BEn/a6.26.03.50.93.60.9
crowded37.312.122.01.922.51.9
normal24.910.828.62.128.52.1
loose6.26.014.21.613.91.6
open6.26.012.61.612.41.5
scattered12.98.57.01.27.21.2
grouped crowded6.26.04.81.04.91.0
grouped normal..3.10.83.00.8
heterogeneous..4.20.94.00.9
total100.0.100.0.100.0.
BL/BSn/a..2.22.22.12.1
crowded..41.17.340.27.2
normal100.0.28.46.729.96.7
loose..10.94.610.74.6
open..13.15.012.84.9
scattered..4.43.04.33.0
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
FRn/a..6.42.36.42.3
crowded..19.13.819.13.8
normal..35.54.635.54.6
loose..10.93.010.93.0
open..11.83.111.83.1
scattered..6.32.36.32.3
grouped crowded..6.42.36.42.3
grouped normal..1.81.31.81.3
heterogeneous..1.81.31.81.3
total..100.0.100.0.
GEn/a......
crowded......
normal..37.122.337.122.3
loose..41.923.741.923.7
open..21.019.921.019.9
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
GLn/a14.313.32.92.94.93.4
crowded42.918.944.18.643.97.8
normal14.313.38.84.99.84.7
loose..5.94.14.93.4
open14.313.311.85.612.25.2
scattered14.313.32.92.94.93.4
grouped crowded..11.85.69.84.7
grouped normal..2.92.92.42.4
heterogeneous..8.84.97.34.1
total100.0.100.0.100.0.
GRn/a..2.00.72.00.7
crowded13.38.814.31.814.21.7
normal40.212.716.11.916.91.9
loose19.910.310.91.611.31.6
open6.66.419.82.019.32.0
scattered..13.01.712.51.6
grouped crowded..7.11.36.91.3
grouped normal..7.91.47.61.3
heterogeneous19.910.38.91.49.31.4
total100.0.100.0.100.0.
JUn/a..2.41.72.31.6
crowded33.327.420.34.420.74.4
normal66.727.336.85.337.95.2
loose..21.54.520.74.4
open..11.93.611.53.4
scattered..4.82.34.62.3
grouped crowded......
grouped normal..1.21.21.21.2
heterogeneous..1.21.21.21.2
total100.0.100.0.100.0.
LUn/a..4.01.84.01.8
crowded..34.54.334.54.3
normal..24.73.924.73.9
loose..9.62.69.62.6
open..16.13.316.13.3
scattered..7.22.37.22.3
grouped crowded..1.61.11.61.1
grouped normal..0.80.80.80.8
heterogeneous..1.61.11.61.1
total..100.0.100.0.
NEn/a......
crowded..7.32.97.32.9
normal..37.45.237.45.2
loose..23.44.623.44.6
open..15.54.015.54.0
scattered..5.92.65.92.6
grouped crowded..3.52.03.52.0
grouped normal..1.21.21.21.2
heterogeneous..5.92.65.92.6
total..100.0.100.0.
NWn/a......
crowded100.0.31.311.835.311.8
normal..37.512.335.311.8
loose......
open..6.36.25.95.8
scattered..6.36.25.95.8
grouped crowded..18.810.017.69.4
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
OWn/a..6.03.45.73.2
crowded..10.24.49.84.2
normal50.035.734.86.835.46.7
loose..2.02.02.02.0
open..14.35.013.74.9
scattered..8.24.07.93.8
grouped crowded50.035.710.24.411.84.6
grouped normal..8.24.07.93.8
heterogeneous..6.13.55.93.3
total100.0.100.0.100.0.
SGn/a..3.71.63.61.6
crowded50.025.127.13.927.83.8
normal..23.33.722.63.6
loose..9.02.58.82.4
open25.021.722.63.622.63.6
scattered25.021.77.52.38.02.3
grouped crowded..3.01.52.91.4
grouped normal..2.31.32.21.3
heterogeneous..1.51.11.51.0
total100.0.100.0.100.0.
SHn/a..2.82.82.82.8
crowded..52.88.452.88.4
normal..27.87.527.87.5
loose..11.15.311.15.3
open..2.82.82.82.8
scattered..2.82.82.82.8
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
SOn/a..1.21.21.21.2
crowded50.035.534.65.334.95.3
normal50.035.540.75.541.05.4
loose..13.63.813.33.7
open..7.42.97.22.9
scattered..2.51.72.41.7
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
SZn/a..2.92.12.82.0
crowded..11.83.911.33.8
normal66.727.333.85.835.25.7
loose33.327.413.24.114.14.2
open..13.24.112.74.0
scattered..11.83.911.33.8
grouped crowded..5.92.95.62.8
grouped normal..4.42.54.22.4
heterogeneous..2.92.12.82.0
total100.0.100.0.100.0.
TGn/a..1.41.41.41.4
crowded..28.95.528.95.5
normal..44.15.944.15.9
loose..8.53.48.53.4
open..12.84.012.84.0
scattered..4.32.44.32.4
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
TIn/a..0.80.60.70.5
crowded30.010.326.22.826.52.7
normal20.09.023.42.723.12.6
loose25.09.710.11.911.21.9
open10.06.713.32.213.12.1
scattered..7.71.77.11.6
grouped crowded15.08.08.51.89.01.8
grouped normal..6.11.55.61.4
heterogeneous..4.01.23.71.1
total100.0.100.0.100.0.
URn/a..2.82.82.32.3
crowded12.511.837.58.232.97.2
normal37.517.211.35.416.15.6
loose12.511.88.54.79.24.4
open25.015.417.36.518.76.0
scattered12.511.811.35.411.54.9
grouped crowded..5.63.94.63.2
grouped normal..2.82.82.32.3
heterogeneous..2.82.82.32.3
total100.0.100.0.100.0.
VDn/a..2.51.02.41.0
crowded50.035.420.92.621.22.6
normal50.035.421.82.622.02.6
loose..14.82.314.72.3
open..19.62.519.52.5
scattered..10.62.010.51.9
grouped crowded..2.00.92.00.9
grouped normal..4.11.34.11.3
heterogeneous..3.71.23.71.2
total100.0.100.0.100.0.
VSn/a4.44.31.20.71.50.7
crowded12.56.712.82.112.82.0
normal20.88.315.22.315.72.2
loose8.35.612.12.111.82.0
open16.67.618.92.518.72.4
scattered4.24.111.22.010.61.9
grouped crowded16.67.612.42.112.82.0
grouped normal12.56.711.32.011.41.9
heterogeneous4.24.14.81.44.81.3
total100.0.100.0.100.0.
ZGn/a..15.410.415.410.4
crowded......
normal..7.77.77.77.7
loose..15.410.415.410.4
open..30.813.230.813.2
scattered..15.410.415.410.4
grouped crowded......
grouped normal......
heterogeneous..15.410.415.410.4
total..100.0.100.0.
ZHn/a..2.11.22.11.2
crowded..22.43.522.43.5
normal..40.64.140.64.1
loose..18.23.218.23.2
open..10.52.610.52.6
scattered..3.51.53.51.5
grouped crowded..0.70.70.70.7
grouped normal......
heterogeneous..2.11.22.11.2
total..100.0.100.0.
Switzerlandn/a2.91.62.50.32.60.3
crowded25.34.222.60.822.70.8
normal28.94.426.50.826.60.8
loose11.93.112.50.612.50.6
open10.93.015.20.715.00.7
scattered5.62.27.80.57.80.5
grouped crowded8.32.65.00.45.10.4
grouped normal2.71.54.00.43.90.4
heterogeneous3.61.83.90.43.80.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160273/146652

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %
AGn/a..1.2571.257
crowded..15.31415.314
normal..19.71119.711
loose..5.2265.226
open..5.2265.226
scattered..1.2571.257
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..48.7248.72
AIn/a......
crowded......
normal..1.6391.639
loose..1.3451.345
open..1.9341.934
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..4.8114.811
ARn/a......
crowded..6.7106.710
normal..0.6690.669
loose......
open......
scattered......
grouped crowded..0.31000.3100
grouped normal..0.31000.3100
heterogeneous......
total..8.058.05
BEn/a0.31005.5255.824
crowded2.14134.5936.69
normal1.45044.8846.28
loose0.310022.21222.612
open0.310019.81220.212
scattered0.77111.01711.717
grouped crowded0.31007.6217.921
grouped normal..4.8264.826
heterogeneous..6.5236.523
total5.525156.82162.32
BL/BSn/a..0.41000.4100
crowded..7.7197.719
normal0.41005.3245.723
loose..2.0432.043
open..2.4392.439
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total0.410018.7719.16
FRn/a..2.6372.637
crowded..7.9207.920
normal..14.61314.613
loose..4.5284.528
open..4.9264.926
scattered..2.6372.637
grouped crowded..2.6372.637
grouped normal..0.7700.770
heterogeneous..0.7700.770
total..41.1341.13
GEn/a......
crowded......
normal..0.8710.871
loose..0.9650.965
open..0.51000.5100
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..2.2342.234
GLn/a0.41000.41000.870
crowded1.2575.8226.920
normal0.41001.2571.549
loose..0.8700.870
open0.41001.5491.943
scattered0.41000.41000.870
grouped crowded..1.5491.549
grouped normal..0.41000.4100
heterogeneous..1.2571.257
total2.73613.11115.88
GRn/a..2.8352.835
crowded0.77119.51320.212
normal2.14122.01224.111
loose1.05815.01516.114
open0.310027.11127.510
scattered..17.81317.813
grouped crowded..9.8189.818
grouped normal..10.81710.817
heterogeneous1.05812.21613.316
total5.226137.13142.33
JUn/a..0.8700.870
crowded0.41006.6227.021
normal0.87012.01512.814
loose..7.0217.021
open..3.9303.930
scattered..1.6491.649
grouped crowded......
grouped normal..0.41000.4100
heterogeneous..0.41000.4100
total1.25732.7333.93
LUn/a..1.6441.644
crowded..13.61313.613
normal..9.7169.716
loose..3.8283.828
open..6.3216.321
scattered..2.8322.832
grouped crowded..0.6700.670
grouped normal..0.31000.3100
heterogeneous..0.6700.670
total..39.3339.33
NEn/a......
crowded..2.0402.040
normal..10.21410.214
loose..6.4206.420
open..4.2264.226
scattered..1.6441.644
grouped crowded..1.0571.057
grouped normal..0.31000.3100
heterogeneous..1.6441.644
total..27.4427.44
NWn/a......
crowded0.41001.9402.336
normal..2.3362.336
loose......
open..0.41000.4100
scattered..0.41000.4100
grouped crowded..1.2551.255
grouped normal......
heterogeneous......
total0.41006.1146.513
OWn/a..1.1571.157
crowded..1.9431.943
normal0.41006.4206.719
loose..0.41000.4100
open..2.6362.636
scattered..1.5491.549
grouped crowded0.41001.9432.239
grouped normal..1.5491.549
heterogeneous..1.1571.157
total0.77018.3519.04
SGn/a..1.8451.845
crowded0.77013.01513.714
normal..11.21611.216
loose..4.3284.328
open0.410010.81711.216
scattered0.41003.6314.029
grouped crowded..1.4501.450
grouped normal..1.1571.157
heterogeneous..0.7700.770
total1.45048.1549.54
SHn/a..0.41000.4100
crowded..6.8166.816
normal..3.6273.627
loose..1.4481.448
open..0.41000.4100
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total..12.8312.83
SOn/a..0.41000.4100
crowded0.410010.61611.016
normal0.410012.51412.914
loose..4.2284.228
open..2.3402.340
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total0.87030.7431.44
SZn/a..0.7700.770
crowded..2.9342.934
normal0.7708.3189.017
loose0.41003.3323.630
open..3.3323.332
scattered..2.9342.934
grouped crowded..1.4491.449
grouped normal..1.1571.157
heterogeneous..0.7700.770
total1.15724.6625.75
TGn/a..0.31000.3100
crowded..6.1206.120
normal..9.3149.314
loose..1.8391.839
open..2.7312.731
scattered..0.9570.957
grouped crowded......
grouped normal......
heterogeneous......
total..21.0421.04
TIn/a..0.7710.771
crowded2.14123.21125.411
normal1.45020.71222.212
loose1.8449.01910.718
open0.77111.81712.516
scattered..6.8226.822
grouped crowded1.1587.5218.620
grouped normal..5.4255.425
heterogeneous..3.5313.531
total7.22288.7495.94
URn/a..0.31000.3100
crowded0.31004.4264.725
normal1.0571.3492.336
loose0.31001.0571.349
open0.7702.0402.734
scattered0.31001.3491.743
grouped crowded..0.7700.770
grouped normal..0.31000.3100
heterogeneous..0.31000.3100
total2.63411.71314.311
VDn/a..2.3402.340
crowded0.410019.41319.713
normal0.410020.11220.512
loose..13.71613.716
open..18.21318.213
scattered..9.8199.819
grouped crowded..1.9451.945
grouped normal..3.8313.831
heterogeneous..3.4333.433
total0.87192.5393.23
VSn/a0.41001.0581.450
crowded1.05811.01712.016
normal1.74413.01514.714
loose0.77110.31811.017
open1.45016.11417.513
scattered0.31009.6189.918
grouped crowded1.45010.61712.016
grouped normal1.0589.61810.717
heterogeneous0.31004.1284.527
total8.22085.4493.73
ZGn/a..0.9680.968
crowded......
normal..0.41000.4100
loose..0.9680.968
open..1.7441.744
scattered..0.9680.968
grouped crowded......
grouped normal......
heterogeneous..0.9680.968
total..5.695.69
ZHn/a..1.1571.157
crowded..11.31611.316
normal..20.41020.410
loose..9.2189.218
open..5.3255.325
scattered..1.8441.844
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..1.1571.157
total..50.4250.42
Switzerlandn/a1.15826.11227.211
crowded9.719231.93241.63
normal11.018272.33283.33
loose4.628128.55133.05
open4.229155.44159.64
scattered2.14180.3682.56
grouped crowded3.23350.8853.98
grouped normal1.05840.9941.99
heterogeneous1.45039.5940.99
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160274/146653

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %±
inside perimetern/a......5.02.8..2.81.6
crowded33.415.7..37.517.122.95.424.17.925.04.2
normal44.516.6..37.517.129.55.820.87.628.84.4
loose..100.0...8.23.524.17.912.03.1
open....12.511.713.14.310.35.711.03.0
scattered22.113.8....6.63.2..5.62.2
grouped crowded....12.511.78.23.510.35.78.32.7
grouped normal......4.92.8..2.71.6
heterogeneous......1.61.610.35.73.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.30.52.80.74.50.92.30.51.30.62.50.3
crowded28.12.026.11.721.11.716.41.325.32.522.60.8
normal30.62.038.61.925.51.817.11.321.72.426.50.8
loose15.21.614.31.412.01.410.51.110.71.812.50.6
open13.71.511.51.317.01.617.61.315.62.115.20.7
scattered6.61.13.90.88.01.111.71.17.51.57.80.5
grouped crowded1.10.51.10.45.20.99.31.07.51.54.90.4
grouped normal1.50.50.50.32.90.78.51.05.51.34.00.4
heterogeneous1.90.61.20.43.90.86.70.94.81.23.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.30.52.80.64.40.92.40.51.20.62.50.3
crowded28.21.926.11.721.31.716.81.225.22.422.70.8
normal30.82.038.51.925.71.817.91.321.72.226.60.8
loose14.91.514.41.411.81.410.31.011.91.812.50.6
open13.41.511.51.316.91.617.31.315.12.015.00.7
scattered6.91.13.90.87.91.111.31.16.81.47.80.5
grouped crowded1.10.51.10.45.30.99.21.07.71.55.10.4
grouped normal1.50.50.50.32.80.78.30.95.01.23.90.4
heterogeneous1.90.61.20.43.90.86.40.85.31.23.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160275/146654

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......1.158..1.158
crowded1.158..1.1584.8272.5389.519
normal1.550..1.1586.2232.14110.918
loose..0.4100..1.7452.5384.628
open....0.41002.8351.1584.229
scattered0.771....1.450..2.141
grouped crowded....0.41001.7451.1583.233
grouped normal......1.058..1.058
heterogeneous......0.31001.1581.450
total3.3330.41002.93521.11210.31837.99
outside perimetern/a2.6386.3239.0206.6231.45025.912
crowded54.0759.0742.5848.1827.610231.34
normal58.8787.1551.6750.2823.711271.33
loose29.21032.31024.21230.81011.717128.25
open26.31126.01134.21051.6817.014155.14
scattered12.8178.82016.21434.3108.22080.26
grouped crowded2.2412.53810.51827.4118.22050.68
grouped normal2.9351.1585.82525.0116.02440.79
heterogeneous3.7312.8357.92119.7135.32539.39
total192.42225.91201.82293.52109.041022.71
totaln/a2.6386.3239.0207.7211.45027.011
crowded55.1759.0743.6852.9830.110240.83
normal60.2787.1552.6756.4725.811282.23
loose29.21032.71024.21232.51014.215132.75
open26.31126.01134.6954.4718.113159.34
scattered13.5168.82016.21435.798.22082.36
grouped crowded2.2412.53810.81829.1119.21953.88
grouped normal2.9351.1585.82526.0116.02441.89
heterogeneous3.7312.8357.92120.0136.32340.79
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160276/146655

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a..5.95.74.54.44.44.3....2.81.6
crowded30.014.541.211.927.39.512.56.716.715.224.17.925.14.2
normal39.915.535.311.627.39.520.88.366.719.320.87.628.84.4
loose10.09.5..9.16.18.35.616.715.224.17.912.03.1
open..5.95.718.28.216.67.6..10.35.711.03.0
scattered20.112.7..13.67.34.24.1....5.52.2
grouped crowded..11.87.8..16.67.6..10.35.78.32.7
grouped normal......12.56.7....2.71.5
heterogeneous......4.24.1..10.35.73.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a2.10.44.70.93.71.11.20.71.80.71.30.62.60.3
crowded27.01.317.61.729.12.612.82.112.91.825.32.522.60.8
normal35.01.425.81.920.22.315.22.316.22.021.72.426.60.8
loose14.71.011.71.49.81.712.12.110.51.710.71.812.50.6
open12.51.014.91.618.42.218.92.518.82.115.62.115.10.7
scattered5.10.68.61.28.11.611.22.014.11.97.51.57.90.5
grouped crowded1.10.37.01.14.71.212.42.17.81.57.51.55.00.4
grouped normal0.90.34.30.92.80.911.32.08.71.55.51.34.00.4
heterogeneous1.50.45.31.03.21.04.81.49.01.64.81.23.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.10.44.70.93.71.11.50.71.80.71.20.62.60.3
crowded27.01.318.41.729.02.512.82.013.01.825.22.422.70.8
normal35.01.426.11.920.72.215.72.217.12.121.72.226.60.8
loose14.71.011.41.49.81.611.82.010.61.711.91.812.50.6
open12.41.014.61.518.42.118.72.418.52.115.12.015.00.7
scattered5.30.78.31.28.41.510.61.913.91.96.81.47.80.5
grouped crowded1.10.37.21.14.41.112.82.07.71.47.71.55.10.4
grouped normal0.90.34.20.92.70.911.41.98.51.55.01.23.90.4
heterogeneous1.50.45.11.03.00.94.81.38.91.55.31.23.90.3
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 #160277/146656

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.41000.31000.4100....1.158
crowded1.1582.5382.1411.0580.41002.5389.519
normal1.4502.2412.1411.7441.4502.14110.918
loose0.4100..0.7710.7710.41002.5384.628
open..0.41001.4501.450..1.1584.229
scattered0.771..1.0580.3100....2.141
grouped crowded..0.771..1.450..1.1583.233
grouped normal......1.058....1.058
heterogeneous......0.3100..1.1581.450
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a8.9208.7204.0301.0582.1411.45026.212
crowded113.0532.51031.8911.01715.11427.610230.94
normal146.3447.6822.11113.01519.01323.711271.73
loose61.5721.61210.71710.31812.31611.717128.25
open52.2827.41120.01216.11422.01217.014154.84
scattered21.51315.9158.8209.61816.5148.22080.46
grouped crowded4.72813.0165.22510.6179.1198.22050.78
grouped normal3.9307.9213.1339.61810.2186.02440.89
heterogeneous6.4239.7193.4314.12810.5185.32539.59
total418.51184.32109.1385.44116.93109.041023.21
totaln/a8.9209.0204.4291.4502.1411.45027.211
crowded114.1535.0933.8912.01615.51430.110240.43
normal147.7449.8824.11114.71420.41225.811282.63
loose61.9721.61211.41711.01712.61614.215132.75
open52.2827.81121.41217.51322.01218.113159.04
scattered22.21215.9159.8189.91816.5148.22082.56
grouped crowded4.72813.7165.22512.0169.1199.21953.98
grouped normal3.9307.9213.13310.71710.2186.02441.89
heterogeneous6.4239.7193.4314.52710.5186.32340.99
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160278/146657

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..1.00.51.00.5
crowded37.317.123.52.123.72.1
normal37.317.129.62.329.72.2
loose..16.41.816.01.8
open..15.91.815.61.8
scattered25.415.57.91.38.21.3
grouped crowded..1.50.61.40.6
grouped normal..2.00.71.90.7
heterogeneous..2.40.82.40.7
total100.0.100.0.100.0.
Eastern Juran/a..2.51.52.51.4
crowded..44.04.643.64.6
normal100.0.33.94.434.54.4
loose..11.02.910.92.9
open..5.92.25.92.2
scattered..2.51.52.51.4
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
Western Plateaun/a..5.22.15.22.1
crowded..26.14.126.14.1
normal..33.14.433.14.4
loose..13.93.213.93.2
open..9.52.79.52.7
scattered..6.12.26.12.2
grouped crowded..3.51.73.51.7
grouped normal..2.61.52.61.5
heterogeneous......
total..100.0.100.0.
Central Plateaun/a..2.71.12.71.1
crowded..28.23.028.13.0
normal..36.83.336.63.2
loose100.0.15.12.415.42.4
open..11.32.111.32.1
scattered..3.61.33.61.3
grouped crowded..0.50.50.50.5
grouped normal......
heterogeneous..1.80.91.80.9
total100.0.100.0.100.0.
Eastern Plateaun/a..1.90.81.90.8
crowded..24.72.524.72.5
normal..41.92.841.92.8
loose..14.02.014.02.0
open..12.31.912.31.9
scattered..3.21.03.21.0
grouped crowded..0.60.50.60.5
grouped normal......
heterogeneous..1.30.61.30.6
total..100.0.100.0.
Western Pre-Alpsn/a..8.22.68.12.6
crowded..17.33.617.13.6
normal100.0.29.14.329.84.3
loose..12.73.212.63.2
open..11.83.111.73.1
scattered..7.22.57.22.5
grouped crowded..7.32.57.22.5
grouped normal..0.90.90.90.9
heterogeneous..5.42.25.42.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a..3.81.23.81.2
crowded25.021.718.52.418.62.4
normal25.021.725.02.725.02.7
loose..13.82.113.62.1
open25.021.716.92.317.02.3
scattered..8.51.78.31.7
grouped crowded25.021.75.81.46.11.5
grouped normal..3.51.13.41.1
heterogeneous..4.21.24.21.2
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..3.21.33.11.2
crowded66.727.326.83.227.53.2
normal33.327.324.23.124.43.1
loose..8.92.18.82.0
open..20.02.919.72.9
scattered..7.92.07.81.9
grouped crowded..3.21.33.11.3
grouped normal..3.21.33.11.3
heterogeneous..2.61.22.61.1
total100.0.100.0.100.0.
Northwestern Alpsn/a8.38.03.51.63.91.6
crowded50.014.516.33.118.93.2
normal33.313.624.83.625.53.5
loose..7.12.26.52.0
open..13.52.912.42.7
scattered..9.92.59.22.3
grouped crowded8.38.09.22.49.22.3
grouped normal..8.52.47.92.2
heterogeneous..7.12.26.52.0
total100.0.100.0.100.0.
Central Alpsn/a..1.81.81.61.6
crowded10.09.528.06.125.25.5
normal40.015.614.74.818.74.9
loose20.012.716.65.117.14.7
open20.012.720.45.520.45.1
scattered10.09.57.43.67.83.4
grouped crowded..5.53.14.72.6
grouped normal..3.72.63.12.2
heterogeneous..1.81.81.61.6
total100.0.100.0.100.0.
Northeastern Alpsn/a11.110.55.72.76.32.7
crowded33.315.836.65.736.25.4
normal11.110.514.14.113.73.9
loose..7.03.06.22.7
open22.213.912.74.013.83.9
scattered22.213.98.43.310.03.4
grouped crowded..8.43.37.53.0
grouped normal..1.41.41.21.2
heterogeneous..5.62.75.02.4
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.31.20.71.50.7
crowded12.56.712.82.112.82.0
normal20.88.315.22.315.72.2
loose8.35.612.12.111.82.0
open16.67.618.92.518.72.4
scattered4.24.111.22.010.61.9
grouped crowded16.67.612.42.112.82.0
grouped normal12.56.711.32.011.41.9
heterogeneous4.24.14.81.44.81.3
total100.0.100.0.100.0.
Southeastern Alpsn/a..1.80.71.80.7
crowded16.715.212.91.813.01.8
normal66.719.316.22.017.12.1
loose16.715.210.51.710.61.7
open..18.82.118.52.1
scattered..14.11.913.91.9
grouped crowded..7.81.57.71.4
grouped normal..8.71.58.51.5
heterogeneous..9.01.68.91.5
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.61.20.6
crowded24.17.925.32.525.22.4
normal20.87.621.72.421.72.2
loose24.17.910.71.811.91.8
open10.35.715.62.115.12.0
scattered..7.51.56.81.4
grouped crowded10.35.77.51.57.71.5
grouped normal..5.51.35.01.2
heterogeneous10.35.74.81.25.31.2
total100.0.100.0.100.0.
Switzerlandn/a2.81.62.60.32.60.3
crowded25.14.222.70.822.70.8
normal28.84.426.50.826.60.8
loose11.93.112.50.612.50.6
open11.03.015.10.715.00.6
scattered5.62.27.90.57.80.5
grouped crowded8.32.65.00.45.10.4
grouped normal2.71.54.00.43.90.4
heterogeneous3.71.83.80.43.80.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160279/146658

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.4501.450
crowded1.15834.3935.39
normal1.15843.2844.38
loose..23.91123.911
open..23.21223.212
scattered0.77111.51712.217
grouped crowded..2.2412.241
grouped normal..2.9352.935
heterogeneous..3.6313.631
total2.935146.02148.92
Eastern Juran/a..1.2571.257
crowded..20.51120.511
normal0.410015.81316.213
loose..5.1265.126
open..2.8372.837
scattered..1.2571.257
grouped crowded......
grouped normal......
heterogeneous......
total0.410046.6347.03
Western Plateaun/a..2.5402.540
crowded..12.31612.316
normal..15.61415.614
loose..6.5246.524
open..4.5294.529
scattered..2.9372.937
grouped crowded..1.6491.649
grouped normal..1.2571.257
heterogeneous......
total..47.2447.24
Central Plateaun/a..1.9401.940
crowded..19.31119.311
normal..25.2925.29
loose0.310010.31610.616
open..7.7197.719
scattered..2.5352.535
grouped crowded..0.31000.3100
grouped normal......
heterogeneous..1.2501.250
total0.310068.4268.72
Eastern Plateaun/a..2.1412.141
crowded..27.21027.210
normal..46.1746.17
loose..15.41415.414
open..13.61513.615
scattered..3.6313.631
grouped crowded..0.7710.771
grouped normal......
heterogeneous..1.4501.450
total..110.12110.12
Western Pre-Alpsn/a..3.3333.333
crowded..7.0217.021
normal0.410011.91512.215
loose..5.2265.226
open..4.8264.826
scattered..2.9352.935
grouped crowded..3.0343.034
grouped normal..0.41000.4100
heterogeneous..2.2402.240
total0.410040.7441.14
Central Pre-Alpsn/a..3.6313.631
crowded0.410017.21317.613
normal0.410023.31123.711
loose..12.91612.916
open0.410015.81416.114
scattered..7.9217.921
grouped crowded0.41005.4255.724
grouped normal..3.2333.233
heterogeneous..3.9303.930
total1.45093.2394.72
Eastern Pre-Alpsn/a..2.1412.141
crowded0.77118.21218.912
normal0.410016.41316.813
loose..6.1236.123
open..13.61513.615
scattered..5.4255.425
grouped crowded..2.1402.140
grouped normal..2.1402.140
heterogeneous..1.8441.844
total1.15767.9368.93
Northwestern Alpsn/a0.41001.8442.140
crowded2.1408.22010.417
normal1.45012.51513.914
loose..3.6313.631
open..6.8226.822
scattered..5.0265.026
grouped crowded0.41004.7275.026
grouped normal..4.3284.328
heterogeneous..3.6313.631
total4.32850.4554.74
Central Alpsn/a..0.31000.3100
crowded0.31005.2255.624
normal1.4492.7344.127
loose0.7703.1323.829
open0.7703.8294.526
scattered0.31001.4491.744
grouped crowded..1.0571.057
grouped normal..0.7700.770
heterogeneous..0.31000.3100
total3.43018.61022.18
Northeastern Alpsn/a0.41001.4501.844
crowded1.1579.31710.416
normal0.41003.6303.929
loose..1.8441.844
open0.7703.2323.929
scattered0.7702.1402.934
grouped crowded..2.1402.140
grouped normal..0.41000.4100
heterogeneous..1.4491.449
total3.23225.4828.76
Southwestern Alpsn/a0.41001.0581.450
crowded1.05811.01712.016
normal1.74413.01514.714
loose0.77110.31811.017
open1.45016.11417.513
scattered0.31009.6189.918
grouped crowded1.45010.61712.016
grouped normal1.0589.61810.717
heterogeneous0.31004.1284.527
total8.22085.4493.73
Southeastern Alpsn/a..2.1412.141
crowded0.410015.11415.514
normal1.45019.01320.412
loose0.410012.31612.616
open..22.01222.012
scattered..16.51416.514
grouped crowded..9.1199.119
grouped normal..10.21810.218
heterogeneous..10.51810.518
total2.141116.93119.03
Southern Alpsn/a..1.4501.450
crowded2.53827.61030.110
normal2.14123.71125.811
loose2.53811.71714.215
open1.15817.01418.113
scattered..8.2208.220
grouped crowded1.1588.2209.219
grouped normal..6.0246.024
heterogeneous1.1585.3256.323
total10.318109.04119.33
Switzerlandn/a1.15826.31227.311
crowded9.619232.44242.03
normal11.018272.03283.03
loose4.528128.15132.75
open4.229154.94159.14
scattered2.14180.6682.76
grouped crowded3.13351.1854.28
grouped normal1.05841.0942.09
heterogeneous1.45039.4940.89
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160280/146659

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a3.93015.91510.71722.61114.11512.11779.36
insects..2.5381.4500.7710.41000.41005.326
fungi..............
windthrow0.7711.8451.0580.3100....3.930
snow load....0.31000.7710.771..1.745
avalanches........0.4100..0.4100
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a296.22117.6480.3562.5687.14104.74748.31
insects36.8915.5159.0193.4315.6251.15871.57
fungi0.7710.4100........1.158
windthrow75.5631.71011.4171.0582.5380.771122.85
snow load2.5380.7711.7440.31006.722..12.017
avalanches..0.41000.8720.31000.4100..1.945
landslides..1.845....0.771..2.538
flooding..............
forest fire......0.3100....0.3100
loss of vitality4.3291.845..1.058....7.122
others1.4500.4100..0.31000.7710.41003.233
total417.41170.22103.2369.35103.63106.94970.61
totaln/a300.12133.4390.9485.14101.14116.83827.51
insects36.8918.01410.4184.1286.0241.45076.77
fungi0.7710.4100........1.158
windthrow76.2633.51012.4161.4502.5380.771126.75
snow load2.5380.7712.1411.0587.421..13.716
avalanches..0.41000.8720.31000.771..2.241
landslides..1.845....0.771..2.538
flooding..............
forest fire......0.3100....0.3100
loss of vitality4.3291.845..1.058....7.122
others1.4500.4100..0.31000.7710.41003.233
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160281/146660

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging %± %± %±
Western Juran/a84.710.077.52.177.72.0
insects..6.91.36.71.2
fungi......
windthrow15.310.014.11.714.11.7
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.00.51.00.5
others..0.50.30.50.3
total100.0.100.0.100.0.
Eastern Juran/a..81.53.681.53.6
insects..8.42.68.42.6
fungi......
windthrow..9.32.79.32.7
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.80.80.80.8
others......
total..100.0.100.0.
Western Plateaun/a..65.94.465.94.4
insects..12.23.112.23.1
fungi......
windthrow..17.53.617.53.6
snow load..1.71.21.71.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.71.21.71.2
others..0.90.90.90.9
total..100.0.100.0.
Central Plateaun/a..63.03.363.03.3
insects..7.71.87.71.8
fungi..0.50.50.50.5
windthrow..27.13.027.13.0
snow load..0.90.60.90.6
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.90.60.90.6
others......
total..100.0.100.0.
Eastern Plateaun/a..65.92.765.92.7
insects..11.01.811.01.8
fungi..0.30.30.30.3
windthrow..20.52.320.52.3
snow load..1.00.61.00.6
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.00.61.00.6
others..0.30.30.30.3
total..100.0.100.0.
Western Pre-Alpsn/a62.917.170.94.570.34.3
insects12.611.87.72.68.12.6
fungi......
windthrow24.615.118.43.818.93.7
snow load..1.91.41.81.3
avalanches......
landslides..1.01.00.90.9
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Central Pre-Alpsn/a94.75.162.03.164.43.0
insects5.35.18.61.88.31.7
fungi..0.40.40.40.4
windthrow..25.72.823.92.6
snow load......
avalanches......
landslides..1.60.81.50.8
flooding......
forest fire......
loss of vitality..1.60.81.50.8
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a87.511.774.63.275.13.1
insects..9.72.29.32.1
fungi......
windthrow..14.12.613.52.5
snow load12.511.71.60.92.11.0
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Northwestern Alpsn/a72.48.381.53.579.73.3
insects17.27.011.32.812.42.7
fungi......
windthrow10.35.74.91.95.91.9
snow load......
avalanches..0.80.80.70.7
landslides......
flooding......
forest fire......
loss of vitality..0.80.80.70.7
others..0.80.80.70.7
total100.0.100.0.100.0.
Central Alpsn/a71.412.185.95.082.74.8
insects14.39.48.13.99.53.7
fungi......
windthrow14.39.44.02.86.23.0
snow load..2.02.01.61.6
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Northeastern Alpsn/a82.49.380.95.081.24.4
insects11.87.86.33.17.53.0
fungi......
windthrow5.95.78.03.47.53.0
snow load..1.61.61.21.2
avalanches..3.22.22.51.8
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southwestern Alpsn/a93.03.090.12.190.91.7
insects2.82.04.91.54.41.2
fungi......
windthrow1.41.41.50.91.50.7
snow load2.82.00.50.51.10.6
avalanches..0.50.50.40.4
landslides......
flooding......
forest fire..0.50.50.40.4
loss of vitality..1.50.91.10.6
others..0.50.50.40.4
total100.0.100.0.100.0.
Southeastern Alpsn/a90.94.384.12.184.91.9
insects2.32.25.41.35.01.2
fungi......
windthrow..2.40.92.10.8
snow load4.53.16.41.46.21.3
avalanches2.32.20.30.30.60.4
landslides..0.70.50.60.4
flooding......
forest fire......
loss of vitality......
others..0.70.50.60.4
total100.0.100.0.100.0.
Southern Alpsn/a97.12.898.00.897.90.8
insects2.92.81.00.61.20.6
fungi......
windthrow..0.70.50.60.4
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others..0.30.30.30.3
total100.0.100.0.100.0.
Switzerlandn/a87.52.177.20.878.10.7
insects5.81.57.40.57.30.5
fungi..0.10.10.10.1
windthrow4.31.312.50.611.80.6
snow load1.90.91.20.21.30.2
avalanches0.40.40.20.10.20.1
landslides..0.30.10.20.1
flooding......
forest fire..0.00.00.00.0
loss of vitality..0.70.20.70.2
others..0.30.10.30.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160282/146661

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Juran/a3.930111.83115.73
insects..10.01810.018
fungi......
windthrow0.77120.31221.012
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.4501.450
others..0.7710.771
total4.627144.22148.92
Eastern Juran/a..38.3538.35
insects..4.0304.030
fungi......
windthrow..4.4294.429
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total..47.0347.03
Western Plateaun/a..31.1831.18
insects..5.8255.825
fungi......
windthrow..8.2218.221
snow load..0.8700.870
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.8700.870
others..0.41000.4100
total..47.2447.24
Central Plateaun/a..43.3643.36
insects..5.3235.323
fungi..0.31000.3100
windthrow..18.61118.611
snow load..0.6710.671
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.6710.671
others......
total..68.7268.72
Eastern Plateaun/a..72.6472.64
insects..12.21612.216
fungi..0.41000.4100
windthrow..22.51122.511
snow load..1.1581.158
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.1581.158
others..0.41000.4100
total..110.12110.12
Western Pre-Alpsn/a1.94427.0828.97
insects0.41002.9353.333
fungi......
windthrow0.7717.0217.820
snow load..0.7700.770
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality......
others......
total2.93538.1541.14
Central Pre-Alpsn/a6.52354.5660.95
insects0.41007.5217.921
fungi..0.41000.4100
windthrow..22.61122.611
snow load......
avalanches......
landslides..1.4501.450
flooding......
forest fire......
loss of vitality..1.4501.450
others......
total6.82287.8394.72
Eastern Pre-Alpsn/a2.53749.3551.85
insects..6.4236.423
fungi......
windthrow..9.3189.318
snow load0.41001.1571.450
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total2.93566.1368.93
Northwestern Alpsn/a7.52136.1743.66
insects1.8445.0266.822
fungi......
windthrow1.1572.2403.233
snow load......
avalanches..0.41000.4100
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others..0.41000.4100
total10.41744.3654.74
Central Alpsn/a3.43014.81218.310
insects0.7701.4502.140
fungi......
windthrow0.7700.7701.449
snow load..0.31000.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total4.82517.31122.18
Northeastern Alpsn/a5.02518.31123.38
insects0.7701.4492.140
fungi......
windthrow0.41001.8442.240
snow load..0.41000.4100
avalanches..0.7700.770
landslides......
flooding......
forest fire......
loss of vitality......
others......
total6.12222.6928.76
Southwestern Alpsn/a22.61162.5685.14
insects0.7713.4314.128
fungi......
windthrow0.31001.0581.450
snow load0.7710.31001.058
avalanches..0.31000.3100
landslides......
flooding......
forest fire..0.31000.3100
loss of vitality..1.0581.058
others..0.31000.3100
total24.41169.3593.73
Southeastern Alpsn/a14.11587.14101.14
insects0.41005.6256.024
fungi......
windthrow..2.5382.538
snow load0.7716.7227.421
avalanches0.41000.41000.771
landslides..0.7710.771
flooding......
forest fire......
loss of vitality......
others..0.7710.771
total15.514103.63119.03
Southern Alpsn/a12.117104.74116.83
insects0.41001.1581.450
fungi......
windthrow..0.7710.771
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others..0.41000.4100
total12.416106.94119.33
Switzerlandn/a79.56751.31830.81
insects5.32672.0777.37
fungi..1.0581.058
windthrow3.930121.85125.75
snow load1.74512.11713.816
avalanches0.41001.8452.141
landslides..2.5382.538
flooding......
forest fire..0.31000.3100
loss of vitality..7.2227.222
others..3.2333.233
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160283/146662

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha11.110.5..23.76.946.010.2..34.48.828.64.3
20-39 m2/ha44.416.650.035.423.76.929.19.366.719.351.89.337.14.6
40-59 m2/ha33.415.750.035.431.67.520.88.316.715.210.35.723.24.1
from 60 m2/ha11.110.5..21.16.64.24.116.715.23.43.411.13.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha23.11.927.21.725.41.535.93.226.02.734.62.727.30.8
20-39 m2/ha48.32.240.61.835.81.635.83.245.23.041.52.840.80.9
40-59 m2/ha24.81.924.61.627.31.522.42.821.72.518.12.224.30.8
from 60 m2/ha3.90.97.51.011.41.15.91.67.11.65.71.37.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha22.91.827.21.725.41.536.93.125.42.634.62.627.30.8
20-39 m2/ha48.22.240.71.835.31.635.23.045.73.042.42.740.60.9
40-59 m2/ha24.91.924.71.627.51.522.22.621.62.517.52.024.20.8
from 60 m2/ha4.00.97.51.011.81.15.71.57.31.65.51.27.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160284/146663

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-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/ha0.4100..3.2333.830..3.63110.918
20-39 m2/ha1.4500.41003.2332.4371.4505.42514.116
40-59 m2/ha1.1580.41004.3291.7440.41001.1588.820
from 60 m2/ha0.4100..2.8350.31000.41000.41004.229
total3.2330.77113.5168.2202.14110.31838.19
outside perimeterto 19 m2/ha42.9869.0676.6627.41024.61138.89279.33
20-39 m2/ha89.75102.95107.8527.41042.8746.58417.12
40-59 m2/ha46.1862.2782.3617.11320.51220.312248.53
from 60 m2/ha7.22219.11334.4104.5276.7226.42378.36
total185.92253.21301.1276.4494.63112.131023.21
totalto 19 m2/ha43.2869.0679.8631.2924.61142.48290.23
20-39 m2/ha91.15103.35111.0529.8944.2751.97431.32
40-59 m2/ha47.2862.6786.5618.81220.81221.412257.33
from 60 m2/ha7.62219.11337.294.8267.1226.82382.66
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160285/146664

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees) %± %± %±
AGto 19 m2/ha..38.84.438.84.4
20-39 m2/ha..40.54.540.54.5
40-59 m2/ha..17.43.517.43.5
from 60 m2/ha..3.31.63.31.6
total..100.0.100.0.
AIto 19 m2/ha..6.76.66.76.6
20-39 m2/ha..20.010.620.010.6
40-59 m2/ha..53.313.353.313.3
from 60 m2/ha..20.010.620.010.6
total..100.0.100.0.
ARto 19 m2/ha..12.06.612.06.6
20-39 m2/ha..16.07.516.07.5
40-59 m2/ha..48.010.148.010.1
from 60 m2/ha..24.08.724.08.7
total..100.0.100.0.
BEto 19 m2/ha18.79.725.62.025.32.0
20-39 m2/ha37.312.138.92.338.82.2
40-59 m2/ha37.812.127.32.127.62.1
from 60 m2/ha6.26.08.31.38.21.3
total100.0.100.0.100.0.
BL/BSto 19 m2/ha100.0.19.65.921.46.0
20-39 m2/ha..63.37.161.97.1
40-59 m2/ha..10.94.610.74.6
from 60 m2/ha..6.13.56.03.4
total100.0.100.0.100.0.
FRto 19 m2/ha..27.34.327.34.3
20-39 m2/ha..29.14.329.14.3
40-59 m2/ha..36.44.636.44.6
from 60 m2/ha..7.32.57.32.5
total..100.0.100.0.
GEto 19 m2/ha..21.019.921.019.9
20-39 m2/ha..62.922.362.922.3
40-59 m2/ha..16.214.416.214.4
from 60 m2/ha......
total..100.0.100.0.
GLto 19 m2/ha57.118.823.57.329.37.2
20-39 m2/ha..35.38.329.37.2
40-59 m2/ha28.617.220.67.022.06.5
from 60 m2/ha14.313.320.67.019.56.2
total100.0.100.0.100.0.
GRto 19 m2/ha6.66.425.62.224.92.1
20-39 m2/ha66.812.244.62.545.42.5
40-59 m2/ha19.910.323.22.123.02.1
from 60 m2/ha6.66.46.61.36.61.2
total100.0.100.0.100.0.
JUto 19 m2/ha..21.54.520.74.4
20-39 m2/ha33.327.440.55.440.35.3
40-59 m2/ha33.327.432.15.132.15.0
from 60 m2/ha33.327.46.02.66.92.7
total100.0.100.0.100.0.
LUto 19 m2/ha..24.73.924.73.9
20-39 m2/ha..37.54.337.54.3
40-59 m2/ha..24.93.924.93.9
from 60 m2/ha..12.93.012.93.0
total..100.0.100.0.
NEto 19 m2/ha..27.54.927.54.9
20-39 m2/ha..49.15.449.15.4
40-59 m2/ha..22.24.522.24.5
from 60 m2/ha..1.21.21.21.2
total..100.0.100.0.
NWto 19 m2/ha..12.58.411.88.0
20-39 m2/ha..37.512.335.311.8
40-59 m2/ha100.0.37.512.341.212.2
from 60 m2/ha..12.58.411.88.0
total100.0.100.0.100.0.
OWto 19 m2/ha50.035.730.56.631.36.5
20-39 m2/ha..28.66.527.56.3
40-59 m2/ha..30.76.629.56.4
from 60 m2/ha50.035.710.24.411.84.6
total100.0.100.0.100.0.
SGto 19 m2/ha..16.53.216.03.1
20-39 m2/ha25.021.740.64.340.24.2
40-59 m2/ha50.025.123.33.724.13.7
from 60 m2/ha25.021.719.63.419.73.4
total100.0.100.0.100.0.
SHto 19 m2/ha..22.27.022.27.0
20-39 m2/ha..41.78.341.78.3
40-59 m2/ha..36.18.136.18.1
from 60 m2/ha......
total..100.0.100.0.
SOto 19 m2/ha..23.54.722.94.6
20-39 m2/ha50.035.549.45.549.45.5
40-59 m2/ha50.035.521.04.521.74.5
from 60 m2/ha..6.22.76.02.6
total100.0.100.0.100.0.
SZto 19 m2/ha..19.14.818.34.6
20-39 m2/ha33.327.442.66.042.25.9
40-59 m2/ha33.327.432.45.732.45.6
from 60 m2/ha33.327.45.92.97.03.1
total100.0.100.0.100.0.
TGto 19 m2/ha..27.05.327.05.3
20-39 m2/ha..44.15.944.15.9
40-59 m2/ha..21.75.021.75.0
from 60 m2/ha..7.13.17.13.1
total..100.0.100.0.
TIto 19 m2/ha45.011.137.13.137.73.0
20-39 m2/ha45.011.141.93.142.13.0
40-59 m2/ha5.04.915.72.314.92.2
from 60 m2/ha5.04.95.21.45.21.4
total100.0.100.0.100.0.
URto 19 m2/ha12.511.823.47.221.46.3
20-39 m2/ha25.015.445.68.541.87.6
40-59 m2/ha25.015.422.67.123.06.4
from 60 m2/ha37.517.28.54.713.85.3
total100.0.100.0.100.0.
VDto 19 m2/ha..28.72.928.42.9
20-39 m2/ha100.0.40.93.241.43.1
40-59 m2/ha..22.22.722.02.6
from 60 m2/ha..8.21.88.21.8
total100.0.100.0.100.0.
VSto 19 m2/ha46.010.235.03.035.92.9
20-39 m2/ha29.19.335.73.035.12.9
40-59 m2/ha20.88.322.92.722.72.5
from 60 m2/ha4.24.16.51.66.31.5
total100.0.100.0.100.0.
ZGto 19 m2/ha..46.214.346.214.3
20-39 m2/ha..30.813.230.813.2
40-59 m2/ha..23.112.123.112.1
from 60 m2/ha......
total..100.0.100.0.
ZHto 19 m2/ha..26.63.726.63.7
20-39 m2/ha..46.24.246.24.2
40-59 m2/ha..23.83.623.83.6
from 60 m2/ha..3.51.53.51.5
total..100.0.100.0.
Switzerlandto 19 m2/ha28.94.427.40.827.40.8
20-39 m2/ha36.84.640.80.940.60.9
40-59 m2/ha23.24.124.20.824.20.8
from 60 m2/ha11.13.07.60.57.70.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160286/146665

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
AGto 19 m2/ha..18.91218.912
20-39 m2/ha..19.71119.711
40-59 m2/ha..8.5208.520
from 60 m2/ha..1.6491.649
total..48.7248.72
AIto 19 m2/ha..0.31000.3100
20-39 m2/ha..1.0541.054
40-59 m2/ha..2.6272.627
from 60 m2/ha..1.0541.054
total..4.8114.811
ARto 19 m2/ha..1.0551.055
20-39 m2/ha..1.3471.347
40-59 m2/ha..3.8223.822
from 60 m2/ha..1.9361.936
total..8.058.05
BEto 19 m2/ha1.05840.1841.18
20-39 m2/ha2.14161.0663.06
40-59 m2/ha2.14142.7844.88
from 60 m2/ha0.310013.01613.315
total5.525156.82162.32
BL/BSto 19 m2/ha0.41003.7314.129
20-39 m2/ha..11.81311.813
40-59 m2/ha..2.0432.043
from 60 m2/ha..1.1581.158
total0.410018.7719.16
FRto 19 m2/ha..11.21611.216
20-39 m2/ha..11.91511.915
40-59 m2/ha..15.01315.013
from 60 m2/ha..3.0343.034
total..41.1341.13
GEto 19 m2/ha..0.51000.5100
20-39 m2/ha..1.4481.448
40-59 m2/ha..0.41000.4100
from 60 m2/ha......
total..2.2342.234
GLto 19 m2/ha1.5493.1334.626
20-39 m2/ha..4.6264.626
40-59 m2/ha0.8702.7363.531
from 60 m2/ha0.41002.7363.133
total2.73613.11115.88
GRto 19 m2/ha0.310035.1935.59
20-39 m2/ha3.53161.1664.66
40-59 m2/ha1.05831.81032.89
from 60 m2/ha0.31009.1199.419
total5.226137.13142.33
JUto 19 m2/ha..7.0217.021
20-39 m2/ha0.410013.21413.613
40-59 m2/ha0.410010.51610.916
from 60 m2/ha0.41001.9442.340
total1.25732.7333.93
LUto 19 m2/ha..9.7169.716
20-39 m2/ha..14.71214.712
40-59 m2/ha..9.8169.816
from 60 m2/ha..5.1245.124
total..39.3339.33
NEto 19 m2/ha..7.5197.519
20-39 m2/ha..13.51113.511
40-59 m2/ha..6.1216.121
from 60 m2/ha..0.31000.3100
total..27.4427.44
NWto 19 m2/ha..0.8690.869
20-39 m2/ha..2.3362.336
40-59 m2/ha0.41002.3362.732
from 60 m2/ha..0.8690.869
total0.41006.1146.513
OWto 19 m2/ha0.41005.6235.922
20-39 m2/ha..5.2235.223
40-59 m2/ha..5.6225.622
from 60 m2/ha0.41001.9432.239
total0.77018.3519.04
SGto 19 m2/ha..7.9207.920
20-39 m2/ha0.410019.51119.911
40-59 m2/ha0.77011.21611.916
from 60 m2/ha0.41009.4189.818
total1.45048.1549.54
SHto 19 m2/ha..2.8322.832
20-39 m2/ha..5.3205.320
40-59 m2/ha..4.6234.623
from 60 m2/ha......
total..12.8312.83
SOto 19 m2/ha..7.2207.220
20-39 m2/ha0.410015.11215.511
40-59 m2/ha0.41006.4226.821
from 60 m2/ha..1.9441.944
total0.87030.7431.44
SZto 19 m2/ha..4.7264.726
20-39 m2/ha0.410010.51510.915
40-59 m2/ha0.41008.0198.318
from 60 m2/ha0.41001.4491.844
total1.15724.6625.75
TGto 19 m2/ha..5.7205.720
20-39 m2/ha..9.3149.314
40-59 m2/ha..4.6244.624
from 60 m2/ha..1.5431.543
total..21.0421.04
TIto 19 m2/ha3.23332.9936.29
20-39 m2/ha3.23337.2840.48
40-59 m2/ha0.410014.01514.315
from 60 m2/ha0.41004.7275.026
total7.22288.7495.94
URto 19 m2/ha0.31002.7353.132
20-39 m2/ha0.7705.3236.021
40-59 m2/ha0.7702.6343.330
from 60 m2/ha1.0571.0572.039
total2.63411.71314.311
VDto 19 m2/ha..26.51126.511
20-39 m2/ha0.87137.9838.68
40-59 m2/ha..20.51220.512
from 60 m2/ha..7.6227.622
total0.87192.5393.23
VSto 19 m2/ha3.83029.91033.79
20-39 m2/ha2.43730.5932.99
40-59 m2/ha1.74419.51221.312
from 60 m2/ha0.31005.5255.924
total8.22085.4493.73
ZGto 19 m2/ha..2.6322.632
20-39 m2/ha..1.7441.744
40-59 m2/ha..1.3531.353
from 60 m2/ha......
total..5.695.69
ZHto 19 m2/ha..13.41413.414
20-39 m2/ha..23.3923.39
40-59 m2/ha..12.01512.015
from 60 m2/ha..1.8441.844
total..50.4250.42
Switzerlandto 19 m2/ha11.018280.83291.83
20-39 m2/ha14.116418.42432.52
40-59 m2/ha8.920248.43257.33
from 60 m2/ha4.32978.2682.46
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160287/146666

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %±
inside perimeterto 19 m2/ha11.110.5..25.015.329.65.834.48.828.74.4
20-39 m2/ha44.516.6100.0.12.511.731.15.951.89.337.14.6
40-59 m2/ha33.315.7..37.517.126.25.610.35.723.14.1
from 60 m2/ha11.110.5..25.015.313.14.33.43.411.13.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha23.31.828.31.823.01.829.21.634.82.727.30.8
20-39 m2/ha49.02.240.61.933.62.040.21.741.52.840.80.9
40-59 m2/ha24.11.924.01.730.01.923.21.417.92.224.30.8
from 60 m2/ha3.60.87.21.013.41.47.40.95.81.37.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha23.11.828.31.823.11.829.21.534.72.627.30.8
20-39 m2/ha48.92.240.71.933.32.039.61.642.42.740.60.9
40-59 m2/ha24.31.923.91.730.11.923.41.417.22.124.30.8
from 60 m2/ha3.70.87.11.013.61.47.80.95.61.37.80.5
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 #160288/146667
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