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NFI2

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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha11.110.5..12.511.78.33.517.47.111.23.1
101-200 stems/ha....12.511.79.83.83.43.47.42.5
201-300 stems/ha22.113.8..12.511.714.74.520.77.516.73.6
301-400 stems/ha22.213.9..12.511.714.74.517.27.015.83.5
401-500 stems/ha..100.0...8.23.513.86.49.22.8
501-600 stems/ha22.213.9..12.511.713.14.310.35.713.03.2
more than 600 stems/ha22.213.9..37.517.131.15.917.27.026.84.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha7.01.18.71.16.81.112.81.112.71.99.60.5
101-200 stems/ha11.81.410.11.27.31.114.51.214.32.011.60.6
201-300 stems/ha15.61.616.81.514.61.517.11.317.42.216.30.7
301-400 stems/ha16.71.618.71.518.61.613.81.28.11.615.70.7
401-500 stems/ha12.91.513.41.315.01.511.31.112.31.912.90.6
501-600 stems/ha12.31.410.31.28.41.28.71.09.11.69.70.6
more than 600 stems/ha23.71.922.11.629.31.921.81.426.02.524.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha7.11.18.71.16.91.112.51.113.11.89.70.5
101-200 stems/ha11.61.410.11.27.41.114.21.213.41.911.40.6
201-300 stems/ha15.71.616.81.514.61.516.91.217.72.116.30.7
301-400 stems/ha16.81.618.61.518.51.613.81.18.91.615.80.7
401-500 stems/ha12.71.413.51.314.81.511.11.012.41.812.80.6
501-600 stems/ha12.51.410.21.28.51.29.00.99.21.69.80.5
more than 600 stems/ha23.71.822.11.629.41.922.41.425.22.424.20.8
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 #156432/142811

NFI2

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 1993/95
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/ha0.4100..0.41001.7451.8454.329
101-200 stems/ha....0.41002.1410.41002.835
201-300 stems/ha0.771..0.41003.1332.1416.323
301-400 stems/ha0.771..0.41003.1331.8456.024
401-500 stems/ha..0.4100..1.7451.4503.532
501-600 stems/ha0.771..0.41002.8351.1584.927
more than 600 stems/ha0.771..1.1586.6231.84510.118
total3.3330.41002.93521.11210.31837.99
outside perimeter0-100 stems/ha13.51619.71313.71637.4913.81598.26
101-200 stems/ha22.61222.81214.81542.7915.614118.55
201-300 stems/ha29.91038.0929.61050.2819.013166.74
301-400 stems/ha32.11042.2837.5940.598.919161.14
401-500 stems/ha24.81130.21030.31033.21013.416131.95
501-600 stems/ha23.71223.21216.91425.6119.91899.46
more than 600 stems/ha45.6849.9859.1764.0728.310247.03
total192.42225.91201.82293.52109.041022.71
total0-100 stems/ha13.91619.71314.01639.2915.614102.46
101-200 stems/ha22.61222.81215.11544.7816.014121.35
201-300 stems/ha30.71038.0929.91053.3821.112173.04
301-400 stems/ha32.81042.2837.9943.6810.618167.04
401-500 stems/ha24.81130.61030.31034.91014.815135.45
501-600 stems/ha24.51223.21217.31428.31111.017104.36
more than 600 stems/ha46.4849.9860.2770.6630.110257.23
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156433/142812

NFI2

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 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha10.09.511.87.89.16.14.44.316.715.217.47.111.33.1
101-200 stems/ha..5.95.79.16.112.56.716.715.23.43.47.32.5
201-300 stems/ha20.112.711.87.89.16.124.98.8..20.77.516.63.6
301-400 stems/ha20.012.65.95.718.28.212.56.733.319.317.27.015.73.5
401-500 stems/ha10.09.511.87.8..12.56.7..13.86.49.32.8
501-600 stems/ha20.012.611.87.813.67.316.67.6..10.35.712.93.2
more than 600 stems/ha20.012.641.211.940.910.516.67.633.319.317.27.026.94.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha8.00.88.61.210.21.712.52.111.71.812.71.99.60.5
101-200 stems/ha10.90.910.21.36.81.413.72.217.12.114.32.011.60.6
201-300 stems/ha16.21.114.51.617.22.116.42.317.42.117.42.216.30.7
301-400 stems/ha17.81.116.41.614.92.014.52.216.22.08.11.615.70.7
401-500 stems/ha13.21.014.11.512.31.912.42.111.41.712.31.912.90.6
501-600 stems/ha11.20.99.81.38.91.68.81.86.31.39.11.69.70.6
more than 600 stems/ha22.81.226.42.029.82.621.72.619.82.226.02.524.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha8.00.88.71.210.11.611.82.011.81.813.11.89.70.5
101-200 stems/ha10.80.910.01.36.91.413.62.117.12.013.41.911.50.6
201-300 stems/ha16.31.114.41.516.72.017.22.317.12.017.72.116.30.7
301-400 stems/ha17.81.116.11.615.11.914.32.116.52.08.91.615.70.7
401-500 stems/ha13.11.014.01.511.51.712.42.011.21.712.41.812.80.6
501-600 stems/ha11.30.99.81.39.21.69.51.86.21.39.21.69.80.5
more than 600 stems/ha22.81.226.91.930.52.521.22.520.12.225.22.424.20.8
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 #156434/142813

NFI2

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 1993/95
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/ha0.41000.7710.7710.41000.41001.8454.329
101-200 stems/ha..0.41000.7711.0580.41000.41002.835
201-300 stems/ha0.7710.7710.7712.141..2.1416.323
301-400 stems/ha0.7710.41001.4501.0580.7711.8456.024
401-500 stems/ha0.41000.771..1.058..1.4503.532
501-600 stems/ha0.7710.7711.0581.450..1.1584.927
more than 600 stems/ha0.7712.5383.1331.4500.7711.84510.218
total3.6326.1247.6218.2202.14110.31837.99
outside perimeter0-100 stems/ha33.31015.91511.11710.61713.71513.81598.46
101-200 stems/ha45.4818.8137.42111.71620.01315.614118.95
201-300 stems/ha68.0726.71118.81314.11520.41219.013166.94
301-400 stems/ha74.4630.31016.21412.41618.9138.919161.14
401-500 stems/ha55.1826.01113.41510.61713.41613.416131.95
501-600 stems/ha46.9818.0149.7187.5217.3219.91899.36
more than 600 stems/ha95.5548.7832.5918.51323.21128.310246.73
total418.51184.32109.1385.44116.93109.041023.21
total0-100 stems/ha33.61016.61411.81711.01714.01515.614102.76
101-200 stems/ha45.4819.1138.12012.71620.41216.014121.75
201-300 stems/ha68.7727.41119.51316.11420.41221.112173.24
301-400 stems/ha75.1630.71017.61313.41519.61310.618167.04
401-500 stems/ha55.4826.71113.41511.71613.41614.815135.45
501-600 stems/ha47.6818.81310.7178.9197.32111.017104.26
more than 600 stems/ha96.2551.2735.6919.91223.91130.110256.93
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156435/142814

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified) %± %± %±
Western Jura0-100 stems/ha..6.41.26.21.2
101-200 stems/ha..11.31.611.11.5
201-300 stems/ha25.415.515.61.815.81.8
301-400 stems/ha24.915.316.21.816.31.8
401-500 stems/ha..13.91.713.71.7
501-600 stems/ha24.915.313.21.713.41.7
more than 600 stems/ha24.915.323.52.123.52.1
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha100.0.9.32.710.12.8
101-200 stems/ha..13.63.213.53.1
201-300 stems/ha..15.33.315.13.3
301-400 stems/ha..18.73.618.53.6
401-500 stems/ha..9.32.79.32.7
501-600 stems/ha..9.32.79.32.7
more than 600 stems/ha..24.54.024.33.9
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha..6.92.46.92.4
101-200 stems/ha..7.72.57.72.5
201-300 stems/ha..13.93.213.93.2
301-400 stems/ha..14.03.314.03.3
401-500 stems/ha..13.13.213.13.2
501-600 stems/ha..12.13.012.13.0
more than 600 stems/ha..32.34.432.34.4
total..100.0.100.0.
Central Plateau0-100 stems/ha..6.41.76.41.7
101-200 stems/ha..10.92.110.82.1
201-300 stems/ha..16.32.516.22.5
301-400 stems/ha..21.82.821.72.8
401-500 stems/ha100.0.14.52.414.92.4
501-600 stems/ha..5.91.65.91.6
more than 600 stems/ha..24.22.924.12.9
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..11.01.811.01.8
101-200 stems/ha..10.41.710.41.7
201-300 stems/ha..18.22.218.22.2
301-400 stems/ha..18.22.218.22.2
401-500 stems/ha..12.71.912.71.9
501-600 stems/ha..12.71.912.71.9
more than 600 stems/ha..16.92.116.92.1
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha..6.32.36.32.3
101-200 stems/ha..10.02.99.92.9
201-300 stems/ha..11.83.111.73.1
301-400 stems/ha100.0.10.02.910.83.0
401-500 stems/ha..15.43.515.33.4
501-600 stems/ha..10.02.99.92.8
more than 600 stems/ha..36.44.636.14.6
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha25.021.75.81.46.11.5
101-200 stems/ha..9.21.89.11.8
201-300 stems/ha25.021.713.52.113.62.1
301-400 stems/ha..21.92.621.62.5
401-500 stems/ha..16.22.315.92.3
501-600 stems/ha25.021.76.91.67.21.6
more than 600 stems/ha25.021.726.52.726.52.7
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..8.42.08.32.0
101-200 stems/ha33.327.33.21.33.61.3
201-300 stems/ha..17.92.817.62.7
301-400 stems/ha..18.92.818.72.8
401-500 stems/ha..13.22.513.02.4
501-600 stems/ha..9.52.19.32.1
more than 600 stems/ha66.727.328.93.329.53.3
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha8.38.015.63.115.02.9
101-200 stems/ha8.38.012.12.711.82.6
201-300 stems/ha8.38.018.53.317.73.1
301-400 stems/ha..11.32.710.42.5
401-500 stems/ha16.710.89.22.49.82.4
501-600 stems/ha8.38.014.93.014.42.8
more than 600 stems/ha50.014.518.53.320.93.3
total100.0.100.0.100.0.
Central Alps0-100 stems/ha..11.24.39.53.7
101-200 stems/ha..12.94.610.93.9
201-300 stems/ha10.09.514.94.914.14.4
301-400 stems/ha10.09.511.14.310.93.9
401-500 stems/ha..7.43.66.23.0
501-600 stems/ha20.012.77.43.69.33.6
more than 600 stems/ha60.015.535.26.539.06.1
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha22.213.914.14.115.04.0
101-200 stems/ha11.110.511.33.811.23.5
201-300 stems/ha11.110.516.94.516.24.1
301-400 stems/ha33.315.87.03.010.03.4
401-500 stems/ha..14.14.112.53.7
501-600 stems/ha11.110.58.43.38.73.2
more than 600 stems/ha11.110.528.25.426.34.9
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha4.44.312.52.111.82.0
101-200 stems/ha12.56.713.72.213.62.1
201-300 stems/ha24.98.816.42.317.22.3
301-400 stems/ha12.56.714.52.214.32.1
401-500 stems/ha12.56.712.42.112.42.0
501-600 stems/ha16.67.68.81.89.51.8
more than 600 stems/ha16.67.621.72.621.22.5
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha16.715.211.71.811.81.8
101-200 stems/ha16.715.217.12.117.12.0
201-300 stems/ha..17.42.117.12.0
301-400 stems/ha33.319.316.22.016.52.0
401-500 stems/ha..11.41.711.21.7
501-600 stems/ha..6.31.36.21.3
more than 600 stems/ha33.319.319.82.220.12.2
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha17.47.112.71.913.11.8
101-200 stems/ha3.43.414.32.013.41.9
201-300 stems/ha20.77.517.42.217.72.1
301-400 stems/ha17.27.08.11.68.91.6
401-500 stems/ha13.86.412.31.912.41.8
501-600 stems/ha10.35.79.11.69.21.6
more than 600 stems/ha17.27.026.02.525.22.4
total100.0.100.0.100.0.
Switzerland0-100 stems/ha11.43.19.60.59.70.5
101-200 stems/ha7.42.511.60.611.40.6
201-300 stems/ha16.63.616.30.716.30.7
301-400 stems/ha15.83.515.70.715.70.7
401-500 stems/ha9.12.812.90.612.70.6
501-600 stems/ha12.93.29.80.69.90.5
more than 600 stems/ha26.84.224.20.824.30.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156436/142815

NFI2

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 1993/95
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..9.3199.319
101-200 stems/ha..16.51416.514
201-300 stems/ha0.77122.81223.511
301-400 stems/ha0.77123.61124.311
401-500 stems/ha..20.31220.312
501-600 stems/ha0.77119.31320.013
more than 600 stems/ha0.77134.2935.09
total2.935146.02148.92
Eastern Jura0-100 stems/ha0.41004.4294.728
101-200 stems/ha..6.3236.323
201-300 stems/ha..7.1227.122
301-400 stems/ha..8.7198.719
401-500 stems/ha..4.4294.429
501-600 stems/ha..4.4294.429
more than 600 stems/ha..11.41711.417
total0.410046.6347.03
Western Plateau0-100 stems/ha..3.2353.235
101-200 stems/ha..3.6333.633
201-300 stems/ha..6.5246.524
301-400 stems/ha..6.6236.623
401-500 stems/ha..6.2246.224
501-600 stems/ha..5.7265.726
more than 600 stems/ha..15.21415.214
total..47.2447.24
Central Plateau0-100 stems/ha..4.4264.426
101-200 stems/ha..7.4197.419
201-300 stems/ha..11.21511.215
301-400 stems/ha..14.91314.913
401-500 stems/ha0.31009.91610.216
501-600 stems/ha..4.0274.027
more than 600 stems/ha..16.61216.612
total0.310068.4268.72
Eastern Plateau0-100 stems/ha..12.21612.216
101-200 stems/ha..11.41711.417
201-300 stems/ha..20.01220.012
301-400 stems/ha..20.01220.012
401-500 stems/ha..13.91513.915
501-600 stems/ha..13.91513.915
more than 600 stems/ha..18.61318.613
total..110.12110.12
Western Pre-Alps0-100 stems/ha..2.6372.637
101-200 stems/ha..4.1294.129
201-300 stems/ha..4.8274.827
301-400 stems/ha0.41004.1294.428
401-500 stems/ha..6.3236.323
501-600 stems/ha..4.1294.129
more than 600 stems/ha..14.81314.813
total0.410040.7441.14
Central Pre-Alps0-100 stems/ha0.41005.4255.724
101-200 stems/ha..8.6208.620
201-300 stems/ha0.410012.51612.916
301-400 stems/ha..20.41220.412
401-500 stems/ha..15.11415.114
501-600 stems/ha0.41006.5236.822
more than 600 stems/ha0.410024.71125.111
total1.45093.2394.72
Eastern Pre-Alps0-100 stems/ha..5.7245.724
101-200 stems/ha0.41002.1402.537
201-300 stems/ha..12.11612.116
301-400 stems/ha..12.91512.915
401-500 stems/ha..8.9198.919
501-600 stems/ha..6.4236.423
more than 600 stems/ha0.77119.61220.412
total1.15767.9368.93
Northwestern Alps0-100 stems/ha0.41007.9208.220
101-200 stems/ha0.41006.1236.423
201-300 stems/ha0.41009.3199.718
301-400 stems/ha..5.7245.724
401-500 stems/ha0.7714.6275.425
501-600 stems/ha0.41007.5217.920
more than 600 stems/ha2.1409.31911.416
total4.32850.4554.74
Central Alps0-100 stems/ha..2.1402.140
101-200 stems/ha..2.4372.437
201-300 stems/ha0.31002.8343.132
301-400 stems/ha0.31002.1402.437
401-500 stems/ha..1.4491.449
501-600 stems/ha0.7701.4492.140
more than 600 stems/ha2.1406.6218.618
total3.43018.61022.18
Northeastern Alps0-100 stems/ha0.7703.6314.328
101-200 stems/ha0.41002.9343.232
201-300 stems/ha0.41004.3274.726
301-400 stems/ha1.1571.8442.934
401-500 stems/ha..3.6303.630
501-600 stems/ha0.41002.1402.537
more than 600 stems/ha0.41007.2217.520
total3.23225.4828.76
Southwestern Alps0-100 stems/ha0.410010.61711.017
101-200 stems/ha1.05811.71612.716
201-300 stems/ha2.14114.11516.114
301-400 stems/ha1.05812.41613.415
401-500 stems/ha1.05810.61711.716
501-600 stems/ha1.4507.5218.919
more than 600 stems/ha1.45018.51319.912
total8.22085.4493.73
Southeastern Alps0-100 stems/ha0.410013.71514.015
101-200 stems/ha0.410020.01320.412
201-300 stems/ha..20.41220.412
301-400 stems/ha0.77118.91319.613
401-500 stems/ha..13.41613.416
501-600 stems/ha..7.3217.321
more than 600 stems/ha0.77123.21123.911
total2.141116.93119.03
Southern Alps0-100 stems/ha1.84513.81515.614
101-200 stems/ha0.410015.61416.014
201-300 stems/ha2.14119.01321.112
301-400 stems/ha1.8458.91910.618
401-500 stems/ha1.45013.41614.815
501-600 stems/ha1.1589.91811.017
more than 600 stems/ha1.84528.31030.110
total10.318109.04119.33
Switzerland0-100 stems/ha4.32998.86103.16
101-200 stems/ha2.835118.85121.65
201-300 stems/ha6.323167.04173.34
301-400 stems/ha6.024160.94166.94
401-500 stems/ha3.532132.05135.55
501-600 stems/ha4.927100.16105.06
more than 600 stems/ha10.218248.33258.53
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156437/142816

NFI2

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 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a......4.44.3..3.43.41.91.3
crowded11.110.550.035.444.78.116.67.6..37.99.031.54.5
normal44.416.650.035.426.37.133.29.666.719.324.17.931.44.5
loose33.315.7..10.55.033.29.616.715.210.55.717.53.6
open....10.55.08.35.616.715.213.86.410.22.9
scattered11.310.6..2.62.64.24.1..10.35.75.62.2
grouped crowded....2.62.6......0.90.9
grouped normal....2.62.6......0.90.9
heterogeneous..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.40.21.70.40.40.40.70.51.00.50.90.2
crowded23.31.933.11.825.41.517.92.610.81.931.12.625.60.8
normal38.62.139.91.822.91.416.62.519.12.418.72.228.70.8
loose18.41.718.01.417.01.320.62.720.62.514.62.017.80.7
open10.91.46.30.914.31.222.02.826.52.715.32.013.50.6
scattered4.70.90.80.36.60.98.51.913.82.16.61.45.60.4
grouped crowded1.40.5..5.10.84.51.43.41.13.51.02.80.3
grouped normal0.80.40.10.14.50.74.01.32.61.05.41.32.60.3
heterogeneous1.70.61.30.42.60.55.41.52.61.03.81.12.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.40.21.60.40.80.60.70.51.20.60.90.2
crowded23.01.833.21.826.31.517.82.410.61.931.72.525.90.8
normal38.72.140.01.823.01.418.22.520.12.419.22.128.80.8
loose18.71.718.01.416.71.321.92.620.52.414.31.917.80.7
open10.71.36.30.914.11.220.72.626.32.715.11.913.40.6
scattered4.80.90.80.36.40.88.11.713.52.16.91.45.60.4
grouped crowded1.30.5..5.00.74.11.33.31.13.21.02.70.3
grouped normal0.80.40.10.14.40.73.61.22.50.95.01.22.60.3
heterogeneous1.70.61.30.42.50.54.91.42.61.03.51.02.40.3
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, 04.11.2014 #156438/142817

NFI2

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 1993/95
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......0.4100..0.41000.771
crowded0.41000.41006.0241.450..3.93012.017
normal1.4500.41003.5312.7351.4502.53812.017
loose1.158..1.4502.7350.41001.1586.723
open....1.4500.7710.41001.4503.930
scattered0.4100..0.41000.3100..1.1582.141
grouped crowded....0.4100......0.4100
grouped normal....0.4100......0.4100
heterogeneous..............
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a0.7711.1585.1270.31000.7711.1589.020
crowded43.2883.8576.6613.71510.21834.99262.43
normal71.76101.1568.9712.71618.01321.012293.43
loose34.2945.6851.1815.81419.41216.414182.54
open20.21315.91442.9916.81325.11117.114138.05
scattered8.7202.14119.9136.52213.1167.42157.68
grouped crowded2.538..15.3153.4313.2333.93028.411
grouped normal1.4500.410013.5163.1332.4386.12426.911
heterogeneous3.2333.2337.8214.1282.5374.32925.112
total185.92253.21301.1276.4494.63112.131023.21
totaln/a0.7711.1585.1270.7710.7711.4509.719
crowded43.6884.2582.6615.01410.21838.89274.43
normal73.16101.5572.5615.41419.41223.411305.43
loose35.3945.6852.5818.51319.81217.514189.14
open20.21315.91444.4817.51325.41118.513141.85
scattered9.0202.14120.2136.82213.1168.52059.87
grouped crowded2.538..15.7153.4313.2333.93028.711
grouped normal1.4500.410013.8163.1332.4386.12427.211
heterogeneous3.2333.2337.8214.1282.5374.32925.112
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156439/142818

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure %± %± %±
AGn/a......
crowded..34.74.334.74.3
normal..38.84.438.84.4
loose..20.73.720.73.7
open..5.02.05.02.0
scattered......
grouped crowded......
grouped normal..0.80.80.80.8
heterogeneous......
total..100.0.100.0.
AIn/a......
crowded..60.012.960.012.9
normal..13.39.013.39.0
loose..6.76.66.76.6
open..13.39.013.39.0
scattered......
grouped crowded..6.76.66.76.6
grouped normal......
heterogeneous......
total..100.0.100.0.
ARn/a..4.04.04.04.0
crowded..68.09.368.09.3
normal..24.08.724.08.7
loose......
open......
scattered......
grouped crowded......
grouped normal..4.04.04.04.0
heterogeneous......
total..100.0.100.0.
BEn/a..1.30.51.30.5
crowded37.312.124.92.025.32.0
normal24.910.829.32.129.12.1
loose6.26.019.61.919.21.8
open12.48.211.81.511.81.5
scattered12.98.53.90.94.20.9
grouped crowded6.26.03.90.94.00.9
grouped normal..2.00.61.90.6
heterogeneous..3.30.83.20.8
total100.0.100.0.100.0.
BL/BSn/a......
crowded..30.26.829.56.7
normal..45.87.444.97.3
loose100.0.10.94.612.84.9
open..8.74.28.54.1
scattered..2.22.22.12.1
grouped crowded......
grouped normal..2.22.22.12.1
heterogeneous......
total100.0.100.0.100.0.
FRn/a......
crowded..37.34.637.34.6
normal..32.84.532.84.5
loose..10.02.910.02.9
open..11.83.111.83.1
scattered..3.61.83.61.8
grouped crowded..1.81.31.81.3
grouped normal..0.90.90.90.9
heterogeneous..1.81.31.81.3
total..100.0.100.0.
GEn/a......
crowded..100.0.100.0.
normal......
loose......
open......
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
GLn/a......
crowded57.118.832.48.136.67.6
normal28.617.220.67.022.06.5
loose..20.67.017.15.9
open..5.94.14.93.4
scattered..11.85.69.84.7
grouped crowded..2.92.92.42.4
grouped normal14.313.32.92.94.93.4
heterogeneous..2.92.92.42.4
total100.0.100.0.100.0.
GRn/a..0.80.40.70.4
crowded6.66.413.21.713.01.7
normal39.912.618.11.918.91.9
loose13.68.921.12.120.92.0
open19.910.324.92.224.72.1
scattered19.910.312.51.712.71.7
grouped crowded..4.11.03.91.0
grouped normal..3.30.93.20.9
heterogeneous..2.00.72.00.7
total100.0.100.0.100.0.
JUn/a......
crowded33.327.429.85.029.94.9
normal33.327.442.85.442.55.3
loose33.327.415.54.016.14.0
open..6.02.65.82.5
scattered..4.82.34.62.3
grouped crowded......
grouped normal......
heterogeneous..1.21.21.21.2
total100.0.100.0.100.0.
LUn/a..1.61.11.61.1
crowded..30.54.130.54.1
normal..33.54.233.54.2
loose..19.93.619.93.6
open..8.12.58.12.5
scattered......
grouped crowded..0.80.80.80.8
grouped normal..2.41.42.41.4
heterogeneous..3.21.63.21.6
total..100.0.100.0.
NEn/a..1.41.41.41.4
crowded..9.43.29.43.2
normal..29.55.029.55.0
loose..25.74.725.74.7
open..21.14.421.14.4
scattered..5.92.65.92.6
grouped crowded..1.21.21.21.2
grouped normal......
heterogeneous..5.92.65.92.6
total..100.0.100.0.
NWn/a......
crowded..25.011.123.510.5
normal100.0.25.011.129.411.3
loose..25.011.123.510.5
open..6.36.25.95.8
scattered..6.36.25.95.8
grouped crowded..6.36.25.95.8
grouped normal..6.36.25.95.8
heterogeneous......
total100.0.100.0.100.0.
OWn/a..1.91.81.81.8
crowded100.0.28.66.531.46.5
normal..8.24.07.93.8
loose..10.24.49.84.2
open..26.66.425.56.1
scattered..6.13.55.93.3
grouped crowded..4.12.93.92.7
grouped normal..14.35.013.74.9
heterogeneous......
total100.0.100.0.100.0.
SGn/a..2.21.32.21.2
crowded50.025.127.83.928.53.9
normal..31.64.030.74.0
loose25.021.715.03.115.33.1
open25.021.79.82.610.22.6
scattered..4.51.84.41.7
grouped crowded..4.51.84.41.8
grouped normal..2.31.32.21.3
heterogeneous..2.31.32.21.3
total100.0.100.0.100.0.
SHn/a......
crowded..27.87.527.87.5
normal..58.38.258.38.2
loose..13.95.813.95.8
open......
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
SOn/a......
crowded..24.74.824.14.7
normal50.035.533.35.333.75.2
loose50.035.532.15.232.55.2
open..8.63.18.43.1
scattered..1.21.21.21.2
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
SZn/a..1.51.51.41.4
crowded33.327.423.55.223.95.1
normal66.727.325.05.326.85.3
loose..20.64.919.74.7
open..13.24.112.74.0
scattered..7.43.27.13.1
grouped crowded..1.51.51.41.4
grouped normal..1.51.51.41.4
heterogeneous..5.92.95.62.8
total100.0.100.0.100.0.
TGn/a..1.41.41.41.4
crowded..33.15.733.15.7
normal..34.25.734.25.7
loose..17.14.517.14.5
open..11.43.811.43.8
scattered..1.41.41.41.4
grouped crowded......
grouped normal......
heterogeneous..1.41.41.41.4
total..100.0.100.0.
TIn/a5.04.90.80.61.10.6
crowded50.011.234.33.035.52.9
normal25.09.719.32.519.72.4
loose10.06.712.12.112.02.0
open10.06.712.52.112.32.0
scattered..6.01.55.51.4
grouped crowded..4.41.34.11.2
grouped normal..6.11.55.61.4
heterogeneous..4.41.34.11.2
total100.0.100.0.100.0.
URn/a......
crowded25.015.428.67.728.06.9
normal37.517.231.17.832.27.1
loose25.015.45.63.99.24.4
open12.511.814.96.114.55.5
scattered..8.54.76.93.9
grouped crowded..5.63.94.63.2
grouped normal..5.63.94.63.2
heterogeneous......
total100.0.100.0.100.0.
VDn/a..0.40.40.40.4
crowded50.035.424.32.824.52.7
normal50.035.435.73.135.83.1
loose..16.02.415.92.3
open..8.61.88.51.8
scattered..8.91.88.91.8
grouped crowded..2.51.02.41.0
grouped normal..2.81.12.81.1
heterogeneous..0.80.60.80.6
total100.0.100.0.100.0.
VSn/a4.44.31.20.71.50.7
crowded16.67.618.92.518.72.4
normal33.29.615.22.316.82.3
loose33.29.618.92.520.12.4
open8.35.624.12.722.72.5
scattered4.24.18.41.88.01.6
grouped crowded..4.41.34.01.2
grouped normal..4.01.23.71.1
heterogeneous..4.81.44.41.2
total100.0.100.0.100.0.
ZGn/a......
crowded..15.410.415.410.4
normal..46.214.346.214.3
loose..23.112.123.112.1
open..7.77.77.77.7
scattered......
grouped crowded......
grouped normal......
heterogeneous..7.77.77.77.7
total..100.0.100.0.
ZHn/a......
crowded..25.93.725.93.7
normal..49.04.249.04.2
loose..18.23.218.23.2
open..6.32.06.32.0
scattered......
grouped crowded......
grouped normal......
heterogeneous..0.70.70.70.7
total..100.0.100.0.
Switzerlandn/a1.91.30.80.20.90.2
crowded31.84.525.80.826.00.8
normal31.44.528.80.828.90.8
loose17.53.717.80.717.80.7
open10.02.913.40.613.20.6
scattered5.52.25.60.45.60.4
grouped crowded0.90.92.70.32.70.3
grouped normal1.01.02.60.32.60.3
heterogeneous..2.40.32.30.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156440/142819

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %
AGn/a......
crowded..16.91316.913
normal..18.91218.912
loose..10.11810.118
open..2.4402.440
scattered......
grouped crowded......
grouped normal..0.41000.4100
heterogeneous......
total..48.7248.72
AIn/a......
crowded..2.9242.924
normal..0.6690.669
loose..0.31000.3100
open..0.6690.669
scattered......
grouped crowded..0.31000.3100
grouped normal......
heterogeneous......
total..4.8114.811
ARn/a..0.31000.3100
crowded..5.5145.514
normal..1.9361.936
loose......
open......
scattered......
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total..8.058.05
BEn/a..2.1412.141
crowded2.14139.0841.18
normal1.45045.9847.27
loose0.310030.81031.110
open0.77118.51319.113
scattered0.7716.2236.922
grouped crowded0.31006.2236.523
grouped normal..3.1333.133
heterogeneous..5.1255.125
total5.525156.82162.32
BL/BSn/a......
crowded..5.6245.624
normal..8.6178.617
loose0.41002.0432.439
open..1.6491.649
scattered..0.41000.4100
grouped crowded......
grouped normal..0.41000.4100
heterogeneous......
total0.410018.7719.16
FRn/a......
crowded..15.31315.313
normal..13.51413.514
loose..4.1294.129
open..4.8274.827
scattered..1.5501.550
grouped crowded..0.7700.770
grouped normal..0.41000.4100
heterogeneous..0.7700.770
total..41.1341.13
GEn/a......
crowded..2.2342.234
normal......
loose......
open......
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..2.2342.234
GLn/a......
crowded1.5494.2275.822
normal0.8702.7363.531
loose..2.7362.736
open..0.8700.870
scattered..1.5491.549
grouped crowded..0.41000.4100
grouped normal0.41000.41000.870
heterogeneous..0.41000.4100
total2.73613.11115.88
GRn/a..1.0581.058
crowded0.310018.11318.513
normal2.14124.81126.911
loose0.77129.01029.710
open1.05834.2935.29
scattered1.05817.11418.113
grouped crowded..5.6255.625
grouped normal..4.5284.528
heterogeneous..2.8352.835
total5.226137.13142.33
JUn/a......
crowded0.41009.71710.117
normal0.410014.01314.413
loose0.41005.1265.525
open..1.9441.944
scattered..1.6491.649
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total1.25732.7333.93
LUn/a..0.6700.670
crowded..12.01412.014
normal..13.21313.213
loose..7.8187.818
open..3.2313.231
scattered......
grouped crowded..0.31000.3100
grouped normal..0.9570.957
heterogeneous..1.3491.349
total..39.3339.33
NEn/a..0.41000.4100
crowded..2.6342.634
normal..8.1188.118
loose..7.0197.019
open..5.8215.821
scattered..1.6441.644
grouped crowded..0.31000.3100
grouped normal......
heterogeneous..1.6441.644
total..27.4427.44
NWn/a......
crowded..1.5461.546
normal0.41001.5461.940
loose..1.5461.546
open..0.41000.4100
scattered..0.41000.4100
grouped crowded..0.41000.4100
grouped normal..0.41000.4100
heterogeneous......
total0.41006.1146.513
OWn/a..0.31000.3100
crowded0.7705.2236.021
normal..1.5491.549
loose..1.9431.943
open..4.9244.924
scattered..1.1571.157
grouped crowded..0.7700.770
grouped normal..2.6362.636
heterogeneous......
total0.77018.3519.04
SGn/a..1.1581.158
crowded0.77013.41514.114
normal..15.21415.214
loose0.41007.2217.620
open0.41004.7275.126
scattered..2.2402.240
grouped crowded..2.2402.240
grouped normal..1.1571.157
heterogeneous..1.1571.157
total1.45048.1549.54
SHn/a......
crowded..3.6273.627
normal..7.5147.514
loose..1.8421.842
open......
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..12.8312.83
SOn/a......
crowded..7.6207.620
normal0.410010.21610.616
loose0.41009.81710.216
open..2.6362.636
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total0.87030.7431.44
SZn/a..0.41000.4100
crowded0.41005.8236.222
normal0.7706.2226.920
loose..5.1255.125
open..3.3323.332
scattered..1.8441.844
grouped crowded..0.41000.4100
grouped normal..0.41000.4100
heterogeneous..1.4491.449
total1.15724.6625.75
TGn/a..0.31000.3100
crowded..7.0187.018
normal..7.2177.217
loose..3.6273.627
open..2.4342.434
scattered..0.31000.3100
grouped crowded......
grouped normal......
heterogeneous..0.31000.3100
total..21.0421.04
TIn/a0.41000.7711.158
crowded3.63130.41034.09
normal1.84417.11418.913
loose0.77110.81811.517
open0.77111.11711.817
scattered..5.3255.325
grouped crowded..3.9303.930
grouped normal..5.4255.425
heterogeneous..3.9303.930
total7.22288.7495.94
URn/a......
crowded0.7703.3304.027
normal1.0573.6284.624
loose0.7700.7701.349
open0.31001.7442.140
scattered..1.0571.057
grouped crowded..0.7700.770
grouped normal..0.7700.770
heterogeneous......
total2.63411.71314.311
VDn/a..0.41000.4100
crowded0.410022.41222.811
normal0.410033.0933.39
loose..14.81514.815
open..8.0218.021
scattered..8.3218.321
grouped crowded..2.3402.340
grouped normal..2.6382.638
heterogeneous..0.8710.871
total0.87192.5393.23
VSn/a0.41001.0581.450
crowded1.45016.11417.513
normal2.73513.01515.814
loose2.73516.11418.913
open0.77120.61221.312
scattered0.31007.2217.521
grouped crowded..3.8303.830
grouped normal..3.4313.431
heterogeneous..4.1284.128
total8.22085.4493.73
ZGn/a......
crowded..0.9680.968
normal..2.6322.632
loose..1.3531.353
open..0.41000.4100
scattered......
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total..5.695.69
ZHn/a......
crowded..13.01413.014
normal..24.7924.79
loose..9.2189.218
open..3.2323.232
scattered......
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total..50.4250.42
Switzerlandn/a0.7718.7209.419
crowded12.217264.33276.53
normal12.017295.33307.43
loose6.723182.74189.44
open3.830137.15140.95
scattered2.14157.8859.97
grouped crowded0.310028.21128.511
grouped normal0.410027.01127.411
heterogeneous..24.71224.712
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156441/142820

NFI2

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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %±
inside perimetern/a......1.71.73.43.41.91.3
crowded11.110.5..62.517.127.85.737.99.031.54.5
normal44.516.6100.0.12.511.734.46.124.17.931.44.5
loose33.415.7....21.35.210.55.717.63.7
open....25.015.38.23.513.86.410.22.9
scattered11.010.4....3.32.310.35.75.62.2
grouped crowded......1.61.6..0.90.9
grouped normal......1.61.6..0.90.9
heterogeneous............
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.60.31.10.41.20.41.00.60.90.2
crowded24.51.932.41.826.81.918.51.331.22.625.70.8
normal39.72.139.81.924.51.819.61.418.82.228.70.8
loose18.41.717.31.520.21.717.91.313.72.017.90.7
open9.51.37.31.013.91.519.71.415.62.113.50.6
scattered4.00.91.20.43.40.811.11.16.81.45.60.4
grouped crowded1.10.50.20.22.70.75.50.83.61.12.70.3
grouped normal0.80.40.20.24.30.93.50.65.61.32.60.3
heterogeneous1.70.61.10.43.20.72.90.63.91.12.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.60.31.10.41.20.41.20.60.90.2
crowded24.31.932.31.827.31.919.11.331.72.525.90.8
normal39.72.139.91.924.31.820.61.319.32.128.80.8
loose18.71.717.21.519.91.718.11.313.41.917.80.7
open9.31.37.31.014.11.518.91.315.42.013.30.6
scattered4.10.91.20.43.30.810.61.07.11.45.60.4
grouped crowded1.10.50.20.22.60.75.30.73.31.02.70.3
grouped normal0.70.40.20.24.20.83.40.65.11.22.60.3
heterogeneous1.70.61.10.43.20.72.70.53.61.02.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156442/142821

NFI2

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 1993/95
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......0.41000.41000.771
crowded0.4100..1.8455.9243.93011.917
normal1.5500.41000.41007.3222.53811.917
loose1.158....4.5281.1586.723
open....0.7711.7451.4503.930
scattered0.4100....0.7711.1582.141
grouped crowded......0.3100..0.3100
grouped normal......0.3100..0.3100
heterogeneous............
total3.3330.41002.93521.11210.31837.99
outside perimetern/a0.7711.4502.2413.5321.1588.920
crowded47.1873.1654.1754.3734.09262.63
normal76.3690.0549.4857.4720.512293.63
loose35.4939.0940.7952.6814.915182.64
open18.31416.51428.11157.8717.014137.75
scattered7.7222.8356.82332.6107.42157.38
grouped crowded2.2410.41005.42616.3143.93028.111
grouped normal1.5500.41008.72010.4186.12426.911
heterogeneous3.3332.5386.5238.6204.32925.112
total192.42225.91201.82293.52109.041022.71
totaln/a0.7711.4502.2413.9301.4509.619
crowded47.5873.1655.9760.2737.99274.53
normal77.8690.3549.7864.7723.012305.53
loose36.5939.0940.7957.1716.014189.34
open18.31416.51428.81159.5718.413141.55
scattered8.0212.8356.82333.3108.42059.47
grouped crowded2.2410.41005.42616.6143.93028.511
grouped normal1.5500.41008.72010.7186.12427.211
heterogeneous3.3332.5386.5238.6204.32925.112
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156443/142822

NFI2

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 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a......4.44.3..3.43.41.91.3
crowded10.09.552.912.140.910.516.67.6..37.99.031.64.5
normal49.915.817.69.331.89.933.29.666.719.324.17.931.44.5
loose30.014.55.95.713.67.333.29.616.715.210.55.717.53.6
open..11.87.89.16.18.35.616.715.213.86.410.22.9
scattered10.19.65.95.7..4.24.1..10.35.75.62.2
grouped crowded..5.95.7........1.00.9
grouped normal....4.54.4......0.90.9
heterogeneous..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.50.21.20.51.60.71.20.70.60.41.00.60.90.2
crowded28.81.322.51.832.92.618.92.512.31.831.22.625.60.8
normal39.71.423.91.926.12.515.22.318.32.118.82.228.70.8
loose17.81.119.81.814.52.018.92.521.32.213.72.017.90.7
open8.30.814.11.510.21.724.12.724.32.315.62.113.50.6
scattered2.50.56.11.15.71.38.41.812.91.86.81.45.60.4
grouped crowded0.60.24.70.93.61.14.41.34.81.23.61.12.80.3
grouped normal0.40.24.91.02.50.94.01.23.31.05.61.32.60.3
heterogeneous1.40.32.90.72.80.94.81.42.10.83.91.12.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.21.10.51.50.71.50.70.60.41.20.60.90.2
crowded28.61.323.51.833.42.618.72.412.11.831.72.525.90.8
normal39.81.423.71.926.42.416.82.319.22.119.32.128.80.8
loose17.91.119.31.714.51.920.12.421.32.213.41.917.80.7
open8.20.814.01.510.11.622.72.524.22.315.42.013.30.6
scattered2.50.56.11.05.31.28.01.612.71.87.11.45.60.4
grouped crowded0.60.24.70.93.41.04.01.24.71.23.31.02.70.3
grouped normal0.40.24.70.92.70.93.71.13.21.05.11.22.60.3
heterogeneous1.40.32.80.72.70.94.41.22.10.83.61.02.40.3
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, 04.11.2014 #156444/142823

NFI2

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 1993/95
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......0.4100..0.41000.771
crowded0.41003.2333.1331.450..3.93012.017
normal1.8451.1582.4382.7351.4502.53811.917
loose1.1580.41001.0582.7350.41001.1586.623
open..0.7710.7710.7710.41001.4503.930
scattered0.41000.4100..0.3100..1.1582.141
grouped crowded..0.4100........0.4100
grouped normal....0.3100......0.3100
heterogeneous..............
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a2.2412.2411.8451.0580.7711.1588.920
crowded120.5541.5835.9916.11414.41534.09262.43
normal166.3444.0828.41013.01521.41220.512293.73
loose74.4636.4915.91416.11425.01114.915182.64
open34.71026.01111.11720.61228.41017.014137.85
scattered10.41811.2186.2237.22115.1157.42157.58
grouped crowded2.5388.7203.9303.8305.6253.93028.411
grouped normal1.8459.0202.8353.4313.8306.12426.911
heterogeneous5.7255.4263.1334.1282.5384.32925.112
total418.51184.32109.1385.44116.93109.041023.21
totaln/a2.2412.2411.8451.4500.7711.4509.619
crowded120.9544.7839.0817.51314.41537.99274.33
normal168.1445.1830.8915.81422.91123.012305.63
loose75.5636.8916.91318.91325.31116.014189.34
open34.71026.71111.81721.31228.81018.413141.65
scattered10.71811.5176.2237.52115.1158.42059.68
grouped crowded2.5389.0203.9303.8305.6253.93028.811
grouped normal1.8459.0203.1333.4313.8306.12427.211
heterogeneous5.7255.4263.1334.1282.5384.32925.112
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156445/142824

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..0.50.40.50.3
crowded12.411.722.52.122.32.0
normal49.817.737.22.437.42.4
loose24.915.319.52.019.61.9
open..11.01.510.81.5
scattered12.912.04.91.15.11.1
grouped crowded..1.50.61.40.6
grouped normal..0.70.40.70.4
heterogeneous..2.20.72.20.7
total100.0.100.0.100.0.
Eastern Juran/a......
crowded..31.34.331.04.3
normal..48.44.648.04.6
loose100.0.14.43.215.13.3
open..4.21.94.21.8
scattered..0.80.80.80.8
grouped crowded......
grouped normal..0.80.80.80.8
heterogeneous......
total100.0.100.0.100.0.
Western Plateaun/a......
crowded..43.64.643.64.6
normal..33.84.433.84.4
loose..10.52.910.52.9
open..7.02.47.02.4
scattered..4.21.94.21.9
grouped crowded..0.90.90.90.9
grouped normal......
heterogeneous......
total..100.0.100.0.
Central Plateaun/a..1.40.81.40.8
crowded..31.53.131.33.1
normal100.0.37.33.337.53.3
loose..19.02.618.92.6
open..7.71.87.71.8
scattered..0.90.60.90.6
grouped crowded......
grouped normal......
heterogeneous..2.31.02.31.0
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
crowded..28.92.628.92.6
normal..43.82.843.82.8
loose..18.52.218.52.2
open..7.11.57.11.5
scattered..0.30.30.30.3
grouped crowded......
grouped normal..0.30.30.30.3
heterogeneous..0.60.50.60.5
total..100.0.100.0.
Western Pre-Alpsn/a..0.90.90.90.9
crowded..30.04.429.74.4
normal..27.34.327.14.2
loose..14.63.414.43.3
open100.0.10.93.011.73.1
scattered..5.42.25.42.1
grouped crowded..4.52.04.52.0
grouped normal..4.62.04.52.0
heterogeneous..1.81.31.81.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a..0.80.50.80.5
crowded50.025.018.82.419.32.4
normal25.021.721.52.621.62.5
loose..25.02.724.62.7
open25.021.718.12.418.22.4
scattered..3.11.13.01.1
grouped crowded..2.71.02.71.0
grouped normal..5.81.45.71.4
heterogeneous..4.21.24.21.2
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..1.60.91.60.9
crowded100.0.35.83.536.83.5
normal..26.83.226.43.2
loose..16.82.716.62.7
open..10.02.29.82.1
scattered..2.61.22.61.1
grouped crowded..1.60.91.60.9
grouped normal..2.11.02.11.0
heterogeneous..2.61.22.61.1
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.11.22.01.1
crowded58.314.323.43.626.13.6
normal16.710.825.53.724.83.5
loose8.38.014.22.913.72.8
open..9.22.48.52.3
scattered8.38.012.12.811.82.6
grouped crowded8.38.08.52.48.52.3
grouped normal..3.51.63.31.4
heterogeneous..1.41.01.30.9
total100.0.100.0.100.0.
Central Alpsn/a..1.81.81.61.6
crowded20.012.727.86.126.65.6
normal50.015.927.76.131.15.8
loose20.012.79.23.910.93.9
open10.09.513.24.712.74.2
scattered..9.23.97.83.4
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/a..1.41.41.31.3
crowded44.416.629.65.431.25.2
normal22.213.922.55.022.54.7
loose11.110.512.74.012.53.7
open11.110.58.43.38.73.2
scattered..11.33.810.03.4
grouped crowded..7.03.06.22.7
grouped normal11.110.52.82.03.72.1
heterogeneous..4.22.43.72.1
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.31.20.71.50.7
crowded16.67.618.92.518.72.4
normal33.29.615.22.316.82.3
loose33.29.618.92.520.12.4
open8.35.624.12.722.72.5
scattered4.24.18.41.88.01.6
grouped crowded..4.41.34.01.2
grouped normal..4.01.23.71.1
heterogeneous..4.81.44.41.2
total100.0.100.0.100.0.
Southeastern Alpsn/a..0.60.40.60.4
crowded..12.31.812.11.8
normal66.719.318.32.119.22.1
loose16.715.221.32.221.32.2
open16.715.224.32.324.22.3
scattered..12.91.812.71.8
grouped crowded..4.81.24.71.2
grouped normal..3.31.03.21.0
heterogeneous..2.10.82.10.8
total100.0.100.0.100.0.
Southern Alpsn/a3.43.41.00.61.20.6
crowded37.99.031.22.631.72.5
normal24.17.918.82.219.32.1
loose10.55.713.72.013.41.9
open13.86.415.62.115.42.0
scattered10.35.76.81.47.11.4
grouped crowded..3.61.13.31.0
grouped normal..5.61.35.11.2
heterogeneous..3.91.13.61.0
total100.0.100.0.100.0.
Switzerlandn/a1.91.30.90.20.90.2
crowded31.64.525.80.826.00.8
normal31.24.428.70.828.80.8
loose17.63.717.80.717.80.7
open10.22.913.40.613.30.6
scattered5.62.25.60.45.60.4
grouped crowded0.90.92.80.32.70.3
grouped normal0.90.92.60.32.60.3
heterogeneous..2.40.32.30.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156446/142825

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..0.7710.771
crowded0.410032.8933.29
normal1.45054.3755.77
loose0.77128.51029.210
open..16.11416.114
scattered0.41007.2227.521
grouped crowded..2.1412.141
grouped normal..1.1581.158
heterogeneous..3.2333.233
total2.935146.02148.92
Eastern Juran/a......
crowded..14.61414.614
normal..22.51022.510
loose0.41006.7237.122
open..2.0442.044
scattered..0.41000.4100
grouped crowded......
grouped normal..0.41000.4100
heterogeneous......
total0.410046.6347.03
Western Plateaun/a......
crowded..20.51120.511
normal..16.01416.014
loose..4.9284.928
open..3.3343.334
scattered..2.0442.044
grouped crowded..0.41000.4100
grouped normal......
heterogeneous......
total..47.2447.24
Central Plateaun/a..0.9570.957
crowded..21.51021.510
normal0.310025.5925.89
loose..13.01413.014
open..5.3235.323
scattered..0.6710.671
grouped crowded......
grouped normal......
heterogeneous..1.5441.544
total0.310068.4268.72
Eastern Plateaun/a..0.41000.4100
crowded..31.8931.89
normal..48.3748.37
loose..20.41220.412
open..7.9217.921
scattered..0.41000.4100
grouped crowded......
grouped normal..0.41000.4100
heterogeneous..0.7710.771
total..110.12110.12
Western Pre-Alpsn/a..0.41000.4100
crowded..12.21512.215
normal..11.11611.116
loose..5.9235.923
open0.41004.4284.827
scattered..2.2402.240
grouped crowded..1.8441.844
grouped normal..1.9441.944
heterogeneous..0.7700.770
total0.410040.7441.14
Central Pre-Alpsn/a..0.7710.771
crowded0.77117.61318.313
normal0.410020.11220.412
loose..23.31123.311
open0.410016.91317.213
scattered..2.9352.935
grouped crowded..2.5372.537
grouped normal..5.4255.425
heterogeneous..3.9303.930
total1.45093.2394.72
Eastern Pre-Alpsn/a..1.1581.158
crowded1.15724.31025.410
normal..18.21218.212
loose..11.41611.416
open..6.8226.822
scattered..1.8441.844
grouped crowded..1.1571.157
grouped normal..1.4501.450
heterogeneous..1.8441.844
total1.15767.9368.93
Northwestern Alpsn/a..1.1581.158
crowded2.53711.81614.314
normal0.77112.91513.615
loose0.41007.2217.521
open..4.6274.627
scattered0.41006.1236.423
grouped crowded0.41004.3284.627
grouped normal..1.8441.844
heterogeneous..0.7710.771
total4.32850.4554.74
Central Alpsn/a..0.31000.3100
crowded0.7705.2245.923
normal1.7445.2246.920
loose0.7701.7442.437
open0.31002.5372.835
scattered..1.7441.744
grouped crowded..1.0571.057
grouped normal..0.7700.770
heterogeneous..0.31000.3100
total3.43018.61022.18
Northeastern Alpsn/a..0.41000.4100
crowded1.4497.5208.918
normal0.7705.7236.422
loose0.41003.2323.630
open0.41002.1402.537
scattered..2.9352.935
grouped crowded..1.8441.844
grouped normal0.41000.7701.157
heterogeneous..1.1571.157
total3.23225.4828.76
Southwestern Alpsn/a0.41001.0581.450
crowded1.45016.11417.513
normal2.73513.01515.814
loose2.73516.11418.913
open0.77120.61221.312
scattered0.31007.2217.521
grouped crowded..3.8303.830
grouped normal..3.4313.431
heterogeneous..4.1284.128
total8.22085.4493.73
Southeastern Alpsn/a..0.7710.771
crowded..14.41514.415
normal1.45021.41222.911
loose0.410025.01125.311
open0.410028.41028.810
scattered..15.11515.115
grouped crowded..5.6255.625
grouped normal..3.8303.830
heterogeneous..2.5382.538
total2.141116.93119.03
Southern Alpsn/a0.41001.1581.450
crowded3.93034.0937.99
normal2.53820.51223.012
loose1.15814.91516.014
open1.45017.01418.413
scattered1.1587.4218.420
grouped crowded..3.9303.930
grouped normal..6.1246.124
heterogeneous..4.3294.329
total10.318109.04119.33
Switzerlandn/a0.7718.8209.519
crowded12.017264.33276.33
normal11.917294.63306.53
loose6.723182.34189.04
open3.930137.85141.75
scattered2.14157.7859.97
grouped crowded0.410028.41128.711
grouped normal0.410027.01127.411
heterogeneous..24.91224.912
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156447/142826

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a......4.44.3..3.43.41.91.3
single-layered22.213.9..36.87.833.29.616.715.255.29.238.04.7
multi-layered77.813.9100.0.50.08.154.010.266.719.341.39.152.74.8
stratified....13.25.58.35.616.715.2..7.42.5
clustered structure..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.40.21.70.40.40.40.70.51.00.50.90.2
single-layered33.52.140.61.835.41.633.63.243.73.031.22.636.50.9
multi-layered60.52.258.01.852.81.748.03.446.63.057.72.855.10.9
stratified4.30.91.00.46.10.812.62.26.71.58.61.65.30.4
clustered structure1.40.5..4.00.75.41.52.20.91.60.72.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.40.21.60.40.80.60.70.51.20.60.90.2
single-layered33.32.140.51.835.41.633.63.043.13.033.22.536.60.9
multi-layered60.82.158.11.852.71.748.53.247.03.056.32.755.00.9
stratified4.20.91.00.46.40.812.22.16.91.57.91.55.40.4
clustered structure1.30.5..3.80.64.91.42.20.91.50.72.10.3
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, 04.11.2014 #156448/142827

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......0.4100..0.41000.771
single-layered0.771..5.0272.7350.41005.72514.515
multi-layered2.5380.7716.7234.4271.4504.32920.113
stratified....1.8450.7710.4100..2.835
clustered structure..............
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a0.7711.1585.1270.31000.7711.1589.020
single-layered62.36102.95106.5525.71041.3834.99373.73
multi-layered112.44146.83159.0436.6844.1764.66563.52
stratified7.9212.53818.4149.6186.4239.61954.48
clustered structure2.538..12.1174.1282.1411.84522.612
total185.92253.21301.1276.4494.63112.131023.21
totaln/a0.7711.1585.1270.7710.7711.4509.719
single-layered63.16102.95111.4528.41041.7840.68388.13
multi-layered114.94147.53165.8441.1745.5768.96583.62
stratified7.9212.53820.21310.3186.7229.61957.28
clustered structure2.538..12.1174.1282.1411.84522.612
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156449/142828

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure %± %± %±
AGn/a......
single-layered..39.74.439.74.4
multi-layered..60.34.560.34.5
stratified......
clustered structure......
total..100.0.100.0.
AIn/a......
single-layered..80.010.380.010.3
multi-layered..13.39.013.39.0
stratified......
clustered structure..6.76.66.76.6
total..100.0.100.0.
ARn/a..4.04.04.04.0
single-layered..56.010.056.010.0
multi-layered..40.09.940.09.9
stratified......
clustered structure......
total..100.0.100.0.
BEn/a..1.30.51.30.5
single-layered24.910.833.92.233.52.2
multi-layered68.911.655.72.356.12.3
stratified6.26.05.91.15.91.1
clustered structure..3.30.83.20.8
total100.0.100.0.100.0.
BL/BSn/a......
single-layered100.0.36.77.238.17.1
multi-layered..61.17.259.87.1
stratified..2.22.22.12.1
clustered structure......
total100.0.100.0.100.0.
FRn/a......
single-layered..45.54.845.54.8
multi-layered..49.14.849.14.8
stratified..1.81.31.81.3
clustered structure..3.61.83.61.8
total..100.0.100.0.
GEn/a......
single-layered..21.019.921.019.9
multi-layered..79.019.979.019.9
stratified......
clustered structure......
total..100.0.100.0.
GLn/a......
single-layered42.918.955.98.553.77.8
multi-layered42.918.935.38.336.67.6
stratified14.313.32.92.94.93.4
clustered structure..5.94.14.93.4
total100.0.100.0.100.0.
GRn/a..0.80.40.70.4
single-layered40.212.740.52.540.52.4
multi-layered53.212.950.32.550.42.5
stratified6.66.46.41.26.41.2
clustered structure..2.00.72.00.7
total100.0.100.0.100.0.
JUn/a......
single-layered..27.44.926.54.8
multi-layered100.0.69.05.170.14.9
stratified..2.41.72.31.6
clustered structure..1.21.21.21.2
total100.0.100.0.100.0.
LUn/a..1.61.11.61.1
single-layered..31.94.231.94.2
multi-layered..61.74.461.74.4
stratified..3.21.63.21.6
clustered structure..1.61.11.61.1
total..100.0.100.0.
NEn/a..1.41.41.41.4
single-layered..23.44.623.44.6
multi-layered..63.55.363.55.3
stratified..9.43.29.43.2
clustered structure..2.31.62.31.6
total..100.0.100.0.
NWn/a......
single-layered..50.012.747.112.3
multi-layered100.0.37.512.341.212.2
stratified..6.36.25.95.8
clustered structure..6.36.25.95.8
total100.0.100.0.100.0.
OWn/a..1.91.81.81.8
single-layered50.035.718.45.619.65.6
multi-layered50.035.777.75.876.65.8
stratified..2.02.02.02.0
clustered structure......
total100.0.100.0.100.0.
SGn/a..2.21.32.21.2
single-layered..33.14.132.14.0
multi-layered50.025.158.74.358.44.2
stratified50.025.15.31.96.62.1
clustered structure..0.80.80.70.7
total100.0.100.0.100.0.
SHn/a......
single-layered..38.98.238.98.2
multi-layered..61.18.161.18.1
stratified......
clustered structure......
total..100.0.100.0.
SOn/a......
single-layered50.035.540.75.541.05.4
multi-layered50.035.559.35.559.05.4
stratified......
clustered structure......
total100.0.100.0.100.0.
SZn/a..1.51.51.41.4
single-layered33.327.445.66.145.15.9
multi-layered66.727.345.66.146.56.0
stratified..4.42.54.22.4
clustered structure..2.92.12.82.0
total100.0.100.0.100.0.
TGn/a..1.41.41.41.4
single-layered..31.35.631.35.6
multi-layered..65.85.765.85.7
stratified..1.41.41.41.4
clustered structure......
total..100.0.100.0.
TIn/a5.04.90.80.61.10.6
single-layered55.011.130.32.932.12.9
multi-layered40.011.058.83.157.43.0
stratified..8.91.88.21.7
clustered structure..1.20.71.10.7
total100.0.100.0.100.0.
URn/a......
single-layered50.017.842.78.444.17.6
multi-layered37.517.248.88.546.77.7
stratified12.511.82.82.84.63.2
clustered structure..5.63.94.63.2
total100.0.100.0.100.0.
VDn/a..0.40.40.40.4
single-layered50.035.441.83.241.83.2
multi-layered50.035.448.03.248.03.2
stratified..7.01.66.91.6
clustered structure..2.81.12.81.1
total100.0.100.0.100.0.
VSn/a4.44.31.20.71.50.7
single-layered33.29.633.73.033.72.9
multi-layered54.010.247.83.248.33.0
stratified8.35.612.12.111.72.0
clustered structure..5.21.44.81.3
total100.0.100.0.100.0.
ZGn/a......
single-layered..30.813.230.813.2
multi-layered..61.513.961.513.9
stratified..7.77.77.77.7
clustered structure......
total..100.0.100.0.
ZHn/a......
single-layered..38.54.138.54.1
multi-layered..61.54.161.54.1
stratified......
clustered structure......
total..100.0.100.0.
Switzerlandn/a1.91.30.80.20.90.2
single-layered38.04.736.60.936.70.9
multi-layered52.74.855.10.955.00.9
stratified7.42.55.30.45.40.4
clustered structure..2.20.32.10.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156450/142829

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure1000 ha± %1000 ha± %1000 ha± %
AGn/a......
single-layered..19.31119.311
multi-layered..29.4829.48
stratified......
clustered structure......
total..48.7248.72
AIn/a......
single-layered..3.9173.917
multi-layered..0.6690.669
stratified......
clustered structure..0.31000.3100
total..4.8114.811
ARn/a..0.31000.3100
single-layered..4.5184.518
multi-layered..3.2253.225
stratified......
clustered structure......
total..8.058.05
BEn/a..2.1412.141
single-layered1.45053.1754.47
multi-layered3.83087.3591.05
stratified0.31009.2199.618
clustered structure..5.1255.125
total5.525156.82162.32
BL/BSn/a......
single-layered0.41006.9217.320
multi-layered..11.41311.413
stratified..0.41000.4100
clustered structure......
total0.410018.7719.16
FRn/a......
single-layered..18.71118.711
multi-layered..20.21020.210
stratified..0.7700.770
clustered structure..1.5491.549
total..41.1341.13
GEn/a......
single-layered..0.51000.5100
multi-layered..1.7431.743
stratified......
clustered structure......
total..2.2342.234
GLn/a......
single-layered1.2577.3198.517
multi-layered1.2574.6265.822
stratified0.41000.41000.870
clustered structure..0.8700.870
total2.73613.11115.88
GRn/a..1.0581.058
single-layered2.14155.5757.67
multi-layered2.83569.0671.86
stratified0.31008.7209.119
clustered structure..2.8352.835
total5.226137.13142.33
JUn/a......
single-layered..9.0189.018
multi-layered1.25722.6823.78
stratified..0.8700.870
clustered structure..0.41000.4100
total1.25732.7333.93
LUn/a..0.6700.670
single-layered..12.61312.613
multi-layered..24.3824.38
stratified..1.3491.349
clustered structure..0.6700.670
total..39.3339.33
NEn/a..0.41000.4100
single-layered..6.4206.420
multi-layered..17.4917.49
stratified..2.6342.634
clustered structure..0.6700.670
total..27.4427.44
NWn/a......
single-layered..3.1293.129
multi-layered0.41002.3362.732
stratified..0.41000.4100
clustered structure..0.41000.4100
total0.41006.1146.513
OWn/a..0.31000.3100
single-layered0.41003.4313.729
multi-layered0.410014.2914.68
stratified..0.41000.4100
clustered structure......
total0.77018.3519.04
SGn/a..1.1581.158
single-layered..15.91315.913
multi-layered0.77028.2928.98
stratified0.7702.5373.333
clustered structure..0.41000.4100
total1.45048.1549.54
SHn/a......
single-layered..5.0215.021
multi-layered..7.8147.814
stratified......
clustered structure......
total..12.8312.83
SOn/a......
single-layered0.410012.51412.913
multi-layered0.410018.21018.510
stratified......
clustered structure......
total0.87030.7431.44
SZn/a..0.41000.4100
single-layered0.410011.21411.614
multi-layered0.77011.21511.914
stratified..1.1571.157
clustered structure..0.7700.770
total1.15724.6625.75
TGn/a..0.31000.3100
single-layered..6.6186.618
multi-layered..13.81013.810
stratified..0.31000.3100
clustered structure......
total..21.0421.04
TIn/a0.41000.7711.158
single-layered3.93026.91030.810
multi-layered2.93552.2755.06
stratified..7.9217.921
clustered structure..1.1581.158
total7.22288.7495.94
URn/a......
single-layered1.3495.0246.320
multi-layered1.0575.7226.720
stratified0.31000.31000.770
clustered structure..0.7700.770
total2.63411.71314.311
VDn/a..0.41000.4100
single-layered0.410038.6839.08
multi-layered0.410044.4744.77
stratified..6.5246.524
clustered structure..2.6382.638
total0.87192.5393.23
VSn/a0.41001.0581.450
single-layered2.73528.81031.69
multi-layered4.52740.8845.37
stratified0.77110.31811.017
clustered structure..4.5274.527
total8.22085.4493.73
ZGn/a......
single-layered..1.7441.744
multi-layered..3.4243.424
stratified..0.41000.4100
clustered structure......
total..5.695.69
ZHn/a......
single-layered..19.41119.411
multi-layered..31.0731.07
stratified......
clustered structure......
total..50.4250.42
Switzerlandn/a0.7718.7209.419
single-layered14.515375.53390.03
multi-layered20.213564.92585.12
stratified2.83554.2857.08
clustered structure..22.51222.512
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156451/142830

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %±
inside perimetern/a......1.71.73.43.41.91.3
single-layered22.213.9..12.511.736.06.155.29.237.94.7
multi-layered77.813.9100.0.87.511.749.16.441.39.152.94.8
stratified......13.14.3..7.32.5
clustered structure............
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.60.31.10.41.20.41.00.60.90.2
single-layered34.72.140.61.931.42.040.11.730.62.636.50.9
multi-layered59.82.157.71.958.82.146.61.758.02.855.20.9
stratified4.00.90.90.45.71.08.00.98.81.65.30.4
clustered structure1.10.50.20.23.00.74.10.71.70.72.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.60.31.10.41.20.41.20.60.90.2
single-layered34.52.140.51.931.21.939.81.632.72.636.50.9
multi-layered60.12.157.81.959.22.146.81.756.62.755.10.9
stratified3.90.80.90.45.61.08.40.98.01.55.40.4
clustered structure1.10.50.20.23.00.73.80.61.50.72.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156452/142831

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......0.41000.41000.771
single-layered0.771..0.41007.6215.72514.415
multi-layered2.6380.41002.53810.4184.32920.013
stratified......2.835..2.835
clustered structure............
total3.3330.41002.93521.11210.31837.99
outside perimetern/a0.7711.4502.2413.5321.1588.920
single-layered66.8691.7563.47117.6533.39372.93
multi-layered115.04130.44118.64136.8463.36564.02
stratified7.7212.14111.51723.5129.61954.48
clustered structure2.2410.41006.12412.1171.84522.612
total192.42225.91201.82293.52109.041022.71
totaln/a0.7711.4502.2413.9301.4509.619
single-layered67.5691.7563.86125.2439.08387.23
multi-layered117.64130.74121.14147.2467.56584.12
stratified7.7212.14111.51726.3119.61957.28
clustered structure2.2410.41006.12412.1171.84522.612
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156453/142832

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..0.50.40.50.3
crowded7.77.422.82.122.32.0
normal38.313.537.42.437.42.4
loose38.313.519.02.019.61.9
open..11.11.610.81.5
scattered15.610.14.71.15.11.1
grouped crowded..1.50.61.40.6
grouped normal..0.80.40.70.4
heterogeneous..2.20.72.20.7
total100.0.100.0.100.0.
Eastern Juran/a......
crowded..31.04.331.04.3
normal..48.04.648.04.6
loose..15.13.315.13.3
open..4.21.84.21.8
scattered..0.80.80.80.8
grouped crowded......
grouped normal..0.80.80.80.8
heterogeneous......
total..100.0.100.0.
Western Plateaun/a......
crowded..43.64.643.64.6
normal..33.84.433.84.4
loose..10.52.910.52.9
open..7.02.47.02.4
scattered..4.21.94.21.9
grouped crowded..0.90.90.90.9
grouped normal......
heterogeneous......
total..100.0.100.0.
Central Plateaun/a..1.40.81.40.8
crowded..31.33.131.33.1
normal..37.53.337.53.3
loose..18.92.618.92.6
open..7.71.87.71.8
scattered..0.90.60.90.6
grouped crowded......
grouped normal......
heterogeneous..2.31.02.31.0
total..100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
crowded..28.92.628.92.6
normal..43.82.843.82.8
loose..18.52.218.52.2
open..7.11.57.11.5
scattered..0.30.30.30.3
grouped crowded......
grouped normal..0.30.30.30.3
heterogeneous..0.60.50.60.5
total..100.0.100.0.
Western Pre-Alpsn/a..1.01.00.90.9
crowded49.717.728.24.529.74.4
normal12.611.828.24.427.14.2
loose12.611.814.63.514.43.3
open12.611.811.63.211.73.1
scattered12.611.84.82.15.42.1
grouped crowded..4.82.14.52.0
grouped normal..4.92.14.52.0
heterogeneous..1.91.41.81.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a..0.80.60.80.5
crowded36.811.118.02.519.32.4
normal5.35.122.92.721.62.5
loose21.19.424.92.824.62.7
open21.19.418.02.518.22.4
scattered..3.31.13.01.1
grouped crowded5.35.12.41.02.71.0
grouped normal10.57.15.31.45.71.4
heterogeneous..4.51.34.21.2
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..1.60.91.60.9
crowded37.517.136.83.636.83.5
normal37.517.125.93.226.43.2
loose..17.32.816.62.7
open25.015.39.22.19.82.1
scattered..2.71.22.61.1
grouped crowded..1.60.91.60.9
grouped normal..2.21.12.11.0
heterogeneous..2.71.22.61.1
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.41.42.01.1
crowded31.08.625.03.926.13.6
normal27.68.324.23.924.83.5
loose20.77.512.12.913.72.8
open10.35.78.12.48.52.3
scattered3.43.413.73.111.82.6
grouped crowded3.43.49.72.78.52.3
grouped normal..4.01.83.31.4
heterogeneous3.43.40.80.81.30.9
total100.0.100.0.100.0.
Central Alpsn/a7.16.9..1.61.6
crowded14.39.430.06.526.65.6
normal50.013.425.96.231.15.8
loose14.39.410.04.210.93.9
open..16.35.312.74.2
scattered14.39.46.03.47.83.4
grouped crowded..6.03.44.72.6
grouped normal..4.02.83.12.2
heterogeneous..2.02.01.61.6
total100.0.100.0.100.0.
Northeastern Alpsn/a..1.61.61.31.3
crowded29.411.131.75.931.25.2
normal23.510.322.25.322.54.7
loose17.69.311.14.012.53.7
open5.95.79.53.78.73.2
scattered5.95.711.14.010.03.4
grouped crowded5.95.76.33.16.22.7
grouped normal11.87.81.61.63.72.1
heterogeneous..4.82.73.72.1
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.01.00.71.50.7
crowded14.14.120.32.818.72.4
normal18.34.616.32.616.82.3
loose23.95.118.82.820.12.4
open28.15.320.82.922.72.5
scattered5.62.78.92.08.01.6
grouped crowded1.41.45.01.54.01.2
grouped normal2.82.04.01.43.71.1
heterogeneous2.82.04.91.54.41.2
total100.0.100.0.100.0.
Southeastern Alpsn/a..0.70.50.60.4
crowded13.65.211.91.912.11.8
normal22.76.318.72.319.22.1
loose20.56.121.42.421.32.2
open25.06.524.12.524.22.3
scattered9.14.313.22.012.71.8
grouped crowded4.53.14.71.24.71.2
grouped normal2.32.23.41.03.21.0
heterogeneous2.32.22.00.82.10.8
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.71.20.6
crowded8.74.834.42.731.72.5
normal20.06.819.22.319.32.1
loose17.26.412.91.913.41.9
open17.16.415.22.115.42.0
scattered11.45.46.61.47.11.4
grouped crowded5.73.93.01.03.31.0
grouped normal8.64.74.71.25.11.2
heterogeneous11.45.42.70.93.61.0
total100.0.100.0.100.0.
Switzerlandn/a1.20.70.90.20.90.2
crowded19.52.526.60.826.00.8
normal22.82.629.40.928.80.8
loose20.52.517.50.717.80.7
open18.52.412.80.613.30.6
scattered7.41.65.50.45.60.4
grouped crowded3.11.12.70.32.70.3
grouped normal3.91.22.40.32.60.3
heterogeneous3.11.12.30.32.30.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156454/142833

NFI2

forest area: avalanches 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 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..0.7710.771
crowded0.410032.8933.29
normal1.84553.9755.77
loose1.84527.51029.210
open..16.11416.114
scattered0.7716.8237.521
grouped crowded..2.1412.141
grouped normal..1.1581.158
heterogeneous..3.2333.233
total4.627144.22148.92
Eastern Juran/a......
crowded..14.61414.614
normal..22.51022.510
loose..7.1227.122
open..2.0442.044
scattered..0.41000.4100
grouped crowded......
grouped normal..0.41000.4100
heterogeneous......
total..47.0347.03
Western Plateaun/a......
crowded..20.51120.511
normal..16.01416.014
loose..4.9284.928
open..3.3343.334
scattered..2.0442.044
grouped crowded..0.41000.4100
grouped normal......
heterogeneous......
total..47.2447.24
Central Plateaun/a..0.9570.957
crowded..21.51021.510
normal..25.8925.89
loose..13.01413.014
open..5.3235.323
scattered..0.6710.671
grouped crowded......
grouped normal......
heterogeneous..1.5441.544
total..68.7268.72
Eastern Plateaun/a..0.41000.4100
crowded..31.8931.89
normal..48.3748.37
loose..20.41220.412
open..7.9217.921
scattered..0.41000.4100
grouped crowded......
grouped normal..0.41000.4100
heterogeneous..0.7710.771
total..110.12110.12
Western Pre-Alpsn/a..0.41000.4100
crowded1.55010.81612.215
normal0.410010.81611.116
loose0.41005.6245.923
open0.41004.4284.827
scattered0.41001.8442.240
grouped crowded..1.8441.844
grouped normal..1.9441.944
heterogeneous..0.7700.770
total2.93538.1541.14
Central Pre-Alpsn/a..0.7710.771
crowded2.53715.81418.313
normal0.410020.11220.412
loose1.45021.91223.311
open1.45015.81417.213
scattered..2.9352.935
grouped crowded0.41002.2402.537
grouped normal0.7714.7275.425
heterogeneous..3.9303.930
total6.82287.8394.72
Eastern Pre-Alpsn/a..1.1581.158
crowded1.15724.31025.410
normal1.15717.11318.212
loose..11.41611.416
open0.7716.1236.822
scattered..1.8441.844
grouped crowded..1.1571.157
grouped normal..1.4501.450
heterogeneous..1.8441.844
total2.93566.1368.93
Northwestern Alpsn/a..1.1581.158
crowded3.23311.11714.314
normal2.93510.71713.615
loose2.1405.4257.521
open1.1573.6314.627
scattered0.41006.1236.423
grouped crowded0.41004.3284.627
grouped normal..1.8441.844
heterogeneous0.41000.41000.771
total10.41744.3654.74
Central Alpsn/a0.3100..0.3100
crowded0.7705.2245.923
normal2.4374.5266.920
loose0.7701.7442.437
open..2.8352.835
scattered0.7701.0571.744
grouped crowded..1.0571.057
grouped normal..0.7700.770
heterogeneous..0.31000.3100
total4.82517.31122.18
Northeastern Alpsn/a..0.41000.4100
crowded1.8447.2208.918
normal1.4495.0256.422
loose1.1572.5373.630
open0.41002.1402.537
scattered0.41002.5372.935
grouped crowded0.41001.4491.844
grouped normal0.7700.41001.157
heterogeneous..1.1571.157
total6.12222.6928.76
Southwestern Alpsn/a0.7710.7711.450
crowded3.43114.11517.513
normal4.52711.31715.814
loose5.82413.01518.913
open6.92214.41521.312
scattered1.4506.2237.521
grouped crowded0.31003.4313.830
grouped normal0.7712.7353.431
heterogeneous0.7713.4314.128
total24.41169.3593.73
Southeastern Alpsn/a..0.7710.771
crowded2.14112.31614.415
normal3.53119.31322.911
loose3.23322.11225.311
open3.93024.91128.810
scattered1.45013.71515.115
grouped crowded0.7714.9265.625
grouped normal0.41003.5313.830
heterogeneous0.41002.1412.538
total15.514103.63119.03
Southern Alpsn/a..1.4501.450
crowded1.15836.8937.99
normal2.53820.51223.012
loose2.14113.81516.014
open2.14116.31418.413
scattered1.4507.0228.420
grouped crowded0.7713.2333.930
grouped normal1.1585.0266.124
heterogeneous1.4502.8354.329
total12.416106.94119.33
Switzerlandn/a1.1588.4209.519
crowded17.714258.63276.33
normal20.713285.83306.53
loose18.614170.44189.04
open16.814124.95141.75
scattered6.72353.2859.97
grouped crowded2.83525.91228.711
grouped normal3.53223.81227.411
heterogeneous2.83522.11224.912
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156455/142834
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