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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 36cm, classified) %± %± %±
Western Jura0-100 stems/ha49.817.750.62.450.62.4
101-200 stems/ha50.217.739.82.440.02.4
201-300 stems/ha..8.71.48.51.3
301-400 stems/ha..0.90.50.90.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha100.0.53.84.554.24.5
101-200 stems/ha..38.14.437.84.4
201-300 stems/ha..7.32.47.32.3
301-400 stems/ha..0.80.80.80.8
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha..51.34.651.34.6
101-200 stems/ha..34.44.434.44.4
201-300 stems/ha..11.73.011.73.0
301-400 stems/ha..1.71.21.71.2
401-500 stems/ha..0.80.80.80.8
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
Central Plateau0-100 stems/ha100.0.60.23.360.43.3
101-200 stems/ha..28.83.028.73.0
201-300 stems/ha..9.52.09.42.0
301-400 stems/ha..0.90.60.90.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.50.50.50.5
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..59.02.859.02.8
101-200 stems/ha..34.42.734.42.7
201-300 stems/ha..5.41.35.41.3
301-400 stems/ha..1.30.61.30.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha100.0.52.44.552.84.5
101-200 stems/ha..28.84.128.54.1
201-300 stems/ha..13.93.113.83.1
301-400 stems/ha..3.31.63.31.6
401-500 stems/ha..1.61.11.61.1
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha75.021.753.13.053.43.0
101-200 stems/ha25.021.733.92.833.82.8
201-300 stems/ha..9.01.78.91.7
301-400 stems/ha..2.91.02.81.0
401-500 stems/ha..1.10.61.10.6
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha33.327.340.93.440.83.4
101-200 stems/ha66.727.330.83.231.33.2
201-300 stems/ha..25.03.024.63.0
301-400 stems/ha..2.91.22.81.1
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.50.50.50.5
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha53.813.860.13.859.73.7
101-200 stems/ha23.111.725.83.425.63.3
201-300 stems/ha15.410.010.42.410.82.3
301-400 stems/ha7.77.41.91.12.31.1
401-500 stems/ha..1.81.11.71.0
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Central Alps0-100 stems/ha25.012.658.85.854.05.4
101-200 stems/ha50.014.526.15.229.55.0
201-300 stems/ha16.710.812.43.913.03.7
301-400 stems/ha8.38.01.41.42.41.7
401-500 stems/ha..1.41.41.21.2
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha60.015.553.55.454.25.1
101-200 stems/ha20.012.731.45.030.24.7
201-300 stems/ha20.012.712.83.613.53.5
301-400 stems/ha..2.31.62.11.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha70.99.367.12.767.32.6
101-200 stems/ha24.98.825.22.525.22.4
201-300 stems/ha..6.51.46.01.3
301-400 stems/ha4.24.11.00.61.20.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.30.30.30.3
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha54.715.061.62.461.52.4
101-200 stems/ha45.315.029.12.229.52.2
201-300 stems/ha..8.01.37.81.3
301-400 stems/ha..1.20.51.20.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha84.76.374.82.275.62.1
101-200 stems/ha15.36.319.72.019.31.9
201-300 stems/ha..5.01.14.61.0
301-400 stems/ha..0.50.40.50.3
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
Switzerland0-100 stems/ha64.54.358.40.958.60.8
101-200 stems/ha28.14.130.40.830.30.8
201-300 stems/ha5.02.09.30.59.10.5
301-400 stems/ha2.41.41.50.21.50.2
401-500 stems/ha..0.30.10.30.1
501- 600 stems/ha......
more than 600 stems/ha..0.10.10.10.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162199/148578

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha1.45076.8578.25
101-200 stems/ha1.45060.4661.96
201-300 stems/ha..13.21613.216
301-400 stems/ha..1.4501.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total2.935151.82154.72
Eastern Jura0-100 stems/ha0.410025.7926.18
101-200 stems/ha..18.21218.212
201-300 stems/ha..3.5333.533
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.410047.8248.22
Western Plateau0-100 stems/ha..25.01025.010
101-200 stems/ha..16.81316.813
201-300 stems/ha..5.7265.726
301-400 stems/ha..0.8700.870
401-500 stems/ha..0.41000.4100
501- 600 stems/ha......
more than 600 stems/ha......
total..48.7348.73
Central Plateau0-100 stems/ha0.310041.4641.76
101-200 stems/ha..19.81119.811
201-300 stems/ha..6.5216.521
301-400 stems/ha..0.6710.671
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total0.310068.8269.12
Eastern Plateau0-100 stems/ha..66.9566.95
101-200 stems/ha..39.0839.08
201-300 stems/ha..6.1246.124
301-400 stems/ha..1.4501.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..113.32113.32
Western Pre-Alps0-100 stems/ha0.410023.61024.09
101-200 stems/ha..13.01413.014
201-300 stems/ha..6.3236.323
301-400 stems/ha..1.5491.549
401-500 stems/ha..0.7710.771
501- 600 stems/ha......
more than 600 stems/ha......
total0.410045.1445.54
Central Pre-Alps0-100 stems/ha1.15852.7653.86
101-200 stems/ha0.410033.7934.19
201-300 stems/ha..9.0199.019
301-400 stems/ha..2.9352.935
401-500 stems/ha..1.1581.158
501- 600 stems/ha......
more than 600 stems/ha......
total1.45099.32100.82
Eastern Pre-Alps0-100 stems/ha0.410030.4930.79
101-200 stems/ha0.77122.91123.611
201-300 stems/ha..18.61218.612
301-400 stems/ha..2.1402.140
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total1.15774.3375.33
Northwestern Alps0-100 stems/ha2.53735.1837.67
101-200 stems/ha1.15715.01416.113
201-300 stems/ha0.7716.1236.822
301-400 stems/ha0.41001.1581.450
401-500 stems/ha..1.1571.157
501- 600 stems/ha......
more than 600 stems/ha......
total4.62758.3462.94
Central Alps0-100 stems/ha1.05714.71315.713
101-200 stems/ha2.1406.5218.618
201-300 stems/ha0.7703.1323.829
301-400 stems/ha0.31000.31000.770
401-500 stems/ha..0.31000.3100
501- 600 stems/ha......
more than 600 stems/ha......
total4.12725.0829.17
Northeastern Alps0-100 stems/ha2.14016.51218.611
101-200 stems/ha0.7709.71710.416
201-300 stems/ha0.7703.9294.726
301-400 stems/ha..0.7700.770
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total3.63030.8634.45
Southwestern Alps0-100 stems/ha5.82471.2577.15
101-200 stems/ha2.14126.71028.810
201-300 stems/ha..6.9226.922
301-400 stems/ha0.31001.0581.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.31000.3100
total8.220106.23114.43
Southeastern Alps0-100 stems/ha2.14189.4591.54
101-200 stems/ha1.84542.2844.08
201-300 stems/ha..11.61711.617
301-400 stems/ha..1.8451.845
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total3.930145.02148.92
Southern Alps0-100 stems/ha9.918106.34116.24
101-200 stems/ha1.84527.91029.710
201-300 stems/ha..7.1227.122
301-400 stems/ha..0.7710.771
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total11.717142.13153.82
Switzerland0-100 stems/ha27.511675.62703.12
101-200 stems/ha12.017351.83363.83
201-300 stems/ha2.141107.55109.65
301-400 stems/ha1.05816.81517.914
401-500 stems/ha..3.6323.632
501- 600 stems/ha......
more than 600 stems/ha..1.1581.158
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162200/148579

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha..50.035.411.95.012.76.910.09.514.76.112.43.0
101-200 stems/ha11.110.5..7.14.04.24.140.115.511.95.610.82.8
201-300 stems/ha11.310.6..14.35.424.98.810.09.511.85.514.83.2
301-400 stems/ha22.213.9..9.54.516.67.6..11.85.511.52.9
401-500 stems/ha....19.06.18.35.610.09.55.94.010.72.8
501-600 stems/ha22.213.950.035.49.54.58.35.6..11.85.510.82.8
more than 600 stems/ha33.315.7..28.67.024.98.829.914.532.38.028.94.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha8.61.210.31.112.11.017.42.314.41.915.91.812.30.6
101-200 stems/ha15.01.516.51.411.71.014.02.114.71.912.91.714.00.6
201-300 stems/ha14.81.518.11.415.91.216.52.318.62.111.71.616.00.6
301-400 stems/ha17.61.617.71.415.31.29.61.811.51.714.11.715.20.6
401-500 stems/ha13.11.512.61.212.01.014.32.113.31.811.51.612.60.6
501-600 stems/ha10.81.39.21.19.71.06.21.58.31.58.81.49.20.5
more than 600 stems/ha20.21.715.61.323.21.422.02.519.22.125.12.120.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha8.51.210.41.112.11.017.02.214.31.915.81.712.30.6
101-200 stems/ha14.91.516.41.411.51.013.22.015.41.912.81.613.80.6
201-300 stems/ha14.71.518.11.415.81.117.22.218.42.111.71.515.90.6
301-400 stems/ha17.61.617.61.415.11.110.11.811.21.714.01.615.10.6
401-500 stems/ha12.91.412.61.212.31.013.82.013.21.811.01.512.50.6
501-600 stems/ha11.01.39.31.19.70.96.41.48.01.59.01.49.30.5
more than 600 stems/ha20.41.715.61.323.51.322.32.419.52.125.72.121.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162201/148580

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-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..0.41001.8451.0580.41001.8455.326
101-200 stems/ha0.4100..1.1580.31001.4501.4504.628
201-300 stems/ha0.4100..2.1412.1410.41001.4506.323
301-400 stems/ha0.771..1.4501.450..1.4504.927
401-500 stems/ha....2.8350.7710.41000.7714.628
501-600 stems/ha0.7710.41001.4500.771..1.4504.628
more than 600 stems/ha1.158..4.3292.1411.1583.93012.417
total3.2330.77114.9158.2203.53112.11742.79
outside perimeter0-100 stems/ha16.61426.51141.7916.21417.21423.212141.55
101-200 stems/ha28.81042.5840.5913.01517.61318.813161.24
201-300 stems/ha28.41046.7854.8815.41422.21217.014184.64
301-400 stems/ha33.9945.6852.988.91913.81520.612175.74
401-500 stems/ha25.21132.51041.6913.41515.91416.714145.35
501-600 stems/ha20.91223.71233.5105.8249.91812.816106.66
more than 600 stems/ha38.9940.3980.2620.51222.91136.79239.63
total192.82257.91345.1293.33119.53145.931154.51
total0-100 stems/ha16.61426.91143.5917.21317.61325.011146.85
101-200 stems/ha29.21042.5841.5913.41519.01320.213165.84
201-300 stems/ha28.81046.7856.9717.51322.61218.513190.94
301-400 stems/ha34.6945.6854.3810.31813.81522.012180.64
401-500 stems/ha25.21132.51044.4814.01516.21417.414149.95
501-600 stems/ha21.61224.11234.9106.5229.91814.315111.25
more than 600 stems/ha40.0940.3984.5622.61124.01140.68252.03
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162202/148581

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 12cm, classified) %± %± %±
AG0-100 stems/ha..16.43.416.43.4
101-200 stems/ha..23.03.823.03.8
201-300 stems/ha..18.93.518.93.5
301-400 stems/ha..17.23.417.23.4
401-500 stems/ha..4.92.04.92.0
501-600 stems/ha..7.42.47.42.4
more than 600 stems/ha..12.33.012.33.0
total..100.0.100.0.
AI0-100 stems/ha..12.38.412.38.4
101-200 stems/ha......
201-300 stems/ha......
301-400 stems/ha..30.811.830.811.8
401-500 stems/ha..24.711.024.711.0
501-600 stems/ha..13.78.913.78.9
more than 600 stems/ha..18.59.918.59.9
total..100.0.100.0.
AR0-100 stems/ha..7.75.37.75.3
101-200 stems/ha..3.83.83.83.8
201-300 stems/ha..11.56.411.56.4
301-400 stems/ha..15.37.215.37.2
401-500 stems/ha..15.87.315.87.3
501-600 stems/ha..19.17.819.17.8
more than 600 stems/ha..26.88.826.88.8
total..100.0.100.0.
BE0-100 stems/ha11.77.811.51.411.51.4
101-200 stems/ha11.77.814.61.614.51.6
201-300 stems/ha18.09.415.11.615.21.6
301-400 stems/ha11.77.817.41.717.21.7
401-500 stems/ha5.95.712.11.511.91.4
501-600 stems/ha17.69.211.11.411.31.4
more than 600 stems/ha23.410.318.21.718.41.7
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..4.02.83.92.8
101-200 stems/ha..16.15.215.75.1
201-300 stems/ha..18.15.517.75.4
301-400 stems/ha..24.16.123.66.0
401-500 stems/ha..14.15.013.84.9
501-600 stems/ha..8.03.97.93.8
more than 600 stems/ha100.0.15.75.217.35.3
total100.0.100.0.100.0.
FR0-100 stems/ha..12.03.012.03.0
101-200 stems/ha..14.73.314.73.3
201-300 stems/ha..12.13.012.13.0
301-400 stems/ha..14.73.314.73.3
401-500 stems/ha..11.22.911.22.9
501-600 stems/ha..9.52.79.52.7
more than 600 stems/ha..25.84.125.84.1
total..100.0.100.0.
GE0-100 stems/ha..29.518.729.518.7
101-200 stems/ha..14.814.614.814.6
201-300 stems/ha......
301-400 stems/ha..14.814.614.814.6
401-500 stems/ha..14.814.614.814.6
501-600 stems/ha..26.216.926.216.9
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha28.617.212.65.315.05.3
101-200 stems/ha..12.45.210.54.5
201-300 stems/ha28.617.212.65.315.05.3
301-400 stems/ha14.313.314.95.714.85.2
401-500 stems/ha14.313.37.54.28.64.1
501-600 stems/ha..17.66.115.05.3
more than 600 stems/ha14.313.322.46.621.26.0
total100.0.100.0.100.0.
GR0-100 stems/ha14.27.613.61.513.61.5
101-200 stems/ha28.99.915.01.615.61.6
201-300 stems/ha14.27.616.91.716.81.7
301-400 stems/ha4.74.615.11.614.61.6
401-500 stems/ha4.74.613.21.512.81.5
501-600 stems/ha4.74.69.01.38.81.3
more than 600 stems/ha28.59.817.31.717.71.7
total100.0.100.0.100.0.
JU0-100 stems/ha..9.43.29.13.1
101-200 stems/ha33.327.411.83.512.53.5
201-300 stems/ha..13.03.712.53.5
301-400 stems/ha33.327.417.74.218.24.1
401-500 stems/ha..17.64.117.04.0
501-600 stems/ha..10.63.410.33.3
more than 600 stems/ha33.327.419.94.420.44.3
total100.0.100.0.100.0.
LU0-100 stems/ha..5.42.05.42.0
101-200 stems/ha..9.22.69.22.6
201-300 stems/ha..21.73.621.73.6
301-400 stems/ha..17.13.317.13.3
401-500 stems/ha..12.32.912.32.9
501-600 stems/ha..6.92.26.92.2
more than 600 stems/ha..27.33.927.33.9
total..100.0.100.0.
NE0-100 stems/ha..6.22.76.22.7
101-200 stems/ha..9.13.19.13.1
201-300 stems/ha..20.54.320.54.3
301-400 stems/ha..25.04.625.04.6
401-500 stems/ha..11.43.411.43.4
501-600 stems/ha..11.63.511.63.5
more than 600 stems/ha..16.24.016.24.0
total..100.0.100.0.
NW0-100 stems/ha..5.35.25.05.0
101-200 stems/ha..5.35.25.05.0
201-300 stems/ha..15.88.515.08.2
301-400 stems/ha..15.88.515.08.2
401-500 stems/ha..15.88.515.08.2
501-600 stems/ha..15.88.515.08.2
more than 600 stems/ha100.0.26.310.330.010.5
total100.0.100.0.100.0.
OW0-100 stems/ha50.035.711.24.412.74.5
101-200 stems/ha..9.54.19.23.9
201-300 stems/ha..13.24.712.74.5
301-400 stems/ha..16.85.116.25.0
401-500 stems/ha50.035.79.54.111.04.3
501-600 stems/ha..5.73.25.53.1
more than 600 stems/ha..34.16.632.86.4
total100.0.100.0.100.0.
SG0-100 stems/ha..11.12.510.72.5
101-200 stems/ha..9.82.49.52.3
201-300 stems/ha20.017.920.33.320.33.2
301-400 stems/ha20.017.912.42.712.72.7
401-500 stems/ha20.017.915.02.915.22.9
501-600 stems/ha20.017.98.52.38.92.3
more than 600 stems/ha20.017.922.93.422.83.3
total100.0.100.0.100.0.
SH0-100 stems/ha..2.82.82.82.8
101-200 stems/ha..13.95.813.95.8
201-300 stems/ha..19.46.719.46.7
301-400 stems/ha..16.76.316.76.3
401-500 stems/ha..11.15.311.15.3
501-600 stems/ha..5.63.95.63.9
more than 600 stems/ha..30.67.830.67.8
total..100.0.100.0.
SO0-100 stems/ha..12.03.611.83.5
101-200 stems/ha..15.74.015.33.9
201-300 stems/ha..19.34.318.84.3
301-400 stems/ha..10.83.410.63.4
401-500 stems/ha..10.83.410.63.4
501-600 stems/ha50.035.512.03.612.93.7
more than 600 stems/ha50.035.519.34.320.04.4
total100.0.100.0.100.0.
SZ0-100 stems/ha..10.43.59.93.3
101-200 stems/ha25.021.87.83.18.63.1
201-300 stems/ha..22.14.821.04.6
301-400 stems/ha25.021.818.24.418.54.3
401-500 stems/ha..13.03.912.43.7
501-600 stems/ha25.021.87.83.18.63.1
more than 600 stems/ha25.021.820.84.721.04.6
total100.0.100.0.100.0.
TG0-100 stems/ha..8.33.38.33.3
101-200 stems/ha..14.24.214.24.2
201-300 stems/ha..21.14.921.14.9
301-400 stems/ha..6.93.06.93.0
401-500 stems/ha..16.54.416.54.4
501-600 stems/ha..13.84.113.84.1
more than 600 stems/ha..19.34.719.34.7
total..100.0.100.0.
TI0-100 stems/ha13.07.016.62.116.42.0
101-200 stems/ha8.75.912.71.912.41.8
201-300 stems/ha8.75.911.11.811.01.7
301-400 stems/ha13.07.012.71.912.71.8
401-500 stems/ha8.75.911.21.811.01.7
501-600 stems/ha13.07.08.41.58.71.5
more than 600 stems/ha34.89.927.32.527.82.4
total100.0.100.0.100.0.
UR0-100 stems/ha11.110.515.35.314.64.8
101-200 stems/ha..12.64.810.64.1
201-300 stems/ha11.110.510.84.610.84.2
301-400 stems/ha..4.22.93.52.5
401-500 stems/ha22.213.912.64.814.14.7
501-600 stems/ha11.110.510.84.610.84.2
more than 600 stems/ha44.416.733.86.935.56.4
total100.0.100.0.100.0.
VD0-100 stems/ha..9.91.89.81.8
101-200 stems/ha..18.52.418.42.4
201-300 stems/ha..13.72.113.62.1
301-400 stems/ha..15.72.215.52.2
401-500 stems/ha100.0.11.82.012.42.0
501-600 stems/ha..8.81.78.71.7
more than 600 stems/ha..21.72.521.62.5
total100.0.100.0.100.0.
VS0-100 stems/ha12.76.917.62.217.22.1
101-200 stems/ha4.24.113.62.012.91.8
201-300 stems/ha24.98.815.82.116.52.0
301-400 stems/ha16.67.69.41.79.91.6
401-500 stems/ha8.35.614.92.014.41.9
501-600 stems/ha8.35.65.81.36.01.3
more than 600 stems/ha24.98.822.92.423.12.3
total100.0.100.0.100.0.
ZG0-100 stems/ha..13.59.213.59.2
101-200 stems/ha..6.86.86.86.8
201-300 stems/ha..20.310.820.310.8
301-400 stems/ha..13.59.213.59.2
401-500 stems/ha..27.011.927.011.9
501-600 stems/ha......
more than 600 stems/ha..18.910.218.910.2
total..100.0.100.0.
ZH0-100 stems/ha..10.92.610.92.6
101-200 stems/ha..17.73.217.73.2
201-300 stems/ha..19.13.219.13.2
301-400 stems/ha..21.13.421.13.4
401-500 stems/ha..12.32.712.32.7
501-600 stems/ha..9.52.49.52.4
more than 600 stems/ha..9.52.49.52.4
total..100.0.100.0.
Switzerland0-100 stems/ha12.43.012.30.612.30.6
101-200 stems/ha10.82.814.10.613.90.6
201-300 stems/ha14.83.216.00.615.90.6
301-400 stems/ha11.62.915.20.615.10.6
401-500 stems/ha10.82.812.50.612.50.6
501-600 stems/ha10.72.89.20.59.30.5
more than 600 stems/ha28.94.120.70.721.00.7
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #162203/148582

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..8.0218.021
101-200 stems/ha..11.31711.317
201-300 stems/ha..9.3199.319
301-400 stems/ha..8.5208.520
401-500 stems/ha..2.4402.440
501-600 stems/ha..3.6323.632
more than 600 stems/ha..6.0246.024
total..49.1249.12
AI0-100 stems/ha..0.6690.669
101-200 stems/ha......
201-300 stems/ha......
301-400 stems/ha..1.6391.639
401-500 stems/ha..1.3451.345
501-600 stems/ha..0.7710.771
more than 600 stems/ha..1.0541.054
total..5.2125.212
AR0-100 stems/ha..0.6690.669
101-200 stems/ha..0.31000.3100
201-300 stems/ha..1.0551.055
301-400 stems/ha..1.3471.347
401-500 stems/ha..1.3491.349
501-600 stems/ha..1.6411.641
more than 600 stems/ha..2.2332.233
total..8.468.46
BE0-100 stems/ha0.77119.31320.013
101-200 stems/ha0.77124.41125.011
201-300 stems/ha1.05825.31126.411
301-400 stems/ha0.77129.11029.810
401-500 stems/ha0.310020.21220.612
501-600 stems/ha1.05818.51319.513
more than 600 stems/ha1.45030.51031.810
total5.824167.32173.12
BL/BS0-100 stems/ha..0.8700.870
101-200 stems/ha..3.3333.333
201-300 stems/ha..3.7313.731
301-400 stems/ha..4.9264.926
401-500 stems/ha..2.9362.936
501-600 stems/ha..1.6491.649
more than 600 stems/ha0.41003.2343.631
total0.410020.3520.75
FR0-100 stems/ha..5.2265.226
101-200 stems/ha..6.4236.423
201-300 stems/ha..5.2255.225
301-400 stems/ha..6.4236.423
401-500 stems/ha..4.9264.926
501-600 stems/ha..4.1294.129
more than 600 stems/ha..11.21611.216
total..43.3343.33
GE0-100 stems/ha..0.9650.965
101-200 stems/ha..0.51000.5100
201-300 stems/ha......
301-400 stems/ha..0.51000.5100
401-500 stems/ha..0.51000.5100
501-600 stems/ha..0.8710.871
more than 600 stems/ha......
total..3.1203.120
GL0-100 stems/ha0.8701.9432.736
101-200 stems/ha..1.9441.944
201-300 stems/ha0.8701.9432.736
301-400 stems/ha0.41002.3402.736
401-500 stems/ha0.41001.2571.549
501-600 stems/ha..2.7362.736
more than 600 stems/ha0.41003.4313.829
total2.73615.31018.07
GR0-100 stems/ha1.05823.31224.411
101-200 stems/ha2.14125.81127.911
201-300 stems/ha1.05829.01030.010
301-400 stems/ha0.310025.91126.211
401-500 stems/ha0.310022.61223.012
501-600 stems/ha0.310015.41515.714
more than 600 stems/ha2.14129.71031.810
total7.421171.62179.02
JU0-100 stems/ha..3.1343.134
101-200 stems/ha0.41003.9304.328
201-300 stems/ha..4.3284.328
301-400 stems/ha0.41005.8246.223
401-500 stems/ha..5.8245.824
501-600 stems/ha..3.5323.532
more than 600 stems/ha0.41006.6227.021
total1.25733.0434.23
LU0-100 stems/ha..2.2372.237
101-200 stems/ha..3.8283.828
201-300 stems/ha..8.8178.817
301-400 stems/ha..7.0207.020
401-500 stems/ha..5.0245.024
501-600 stems/ha..2.8322.832
more than 600 stems/ha..11.11511.115
total..40.7340.73
NE0-100 stems/ha..1.8451.845
101-200 stems/ha..2.6342.634
201-300 stems/ha..5.8215.821
301-400 stems/ha..7.0197.019
401-500 stems/ha..3.2303.230
501-600 stems/ha..3.3303.330
more than 600 stems/ha..4.6254.625
total..28.2428.24
NW0-100 stems/ha..0.41000.4100
101-200 stems/ha..0.41000.4100
201-300 stems/ha..1.2551.255
301-400 stems/ha..1.2551.255
401-500 stems/ha..1.2551.255
501-600 stems/ha..1.2551.255
more than 600 stems/ha0.41001.9402.336
total0.41007.3107.78
OW0-100 stems/ha0.41002.2392.636
101-200 stems/ha..1.9431.943
201-300 stems/ha..2.6362.636
301-400 stems/ha..3.3323.332
401-500 stems/ha0.41001.9432.239
501-600 stems/ha..1.1571.157
more than 600 stems/ha..6.7206.720
total0.77019.6620.45
SG0-100 stems/ha..6.1246.124
101-200 stems/ha..5.4255.425
201-300 stems/ha0.410011.21711.616
301-400 stems/ha0.41006.9227.221
401-500 stems/ha0.41008.3208.719
501-600 stems/ha0.41004.7275.126
more than 600 stems/ha0.410012.71513.015
total1.84455.3457.14
SH0-100 stems/ha..0.41000.4100
101-200 stems/ha..1.8421.842
201-300 stems/ha..2.5342.534
301-400 stems/ha..2.1382.138
401-500 stems/ha..1.4481.448
501-600 stems/ha..0.7700.770
more than 600 stems/ha..3.9263.926
total..12.8312.83
SO0-100 stems/ha..3.8313.831
101-200 stems/ha..4.9264.926
201-300 stems/ha..6.1236.123
301-400 stems/ha..3.4323.432
401-500 stems/ha..3.4323.432
501-600 stems/ha0.41003.8304.229
more than 600 stems/ha0.41006.1236.422
total0.87031.4432.23
SZ0-100 stems/ha..2.9342.934
101-200 stems/ha0.41002.2402.536
201-300 stems/ha..6.2226.222
301-400 stems/ha0.41005.1255.423
401-500 stems/ha..3.6303.630
501-600 stems/ha0.41002.2402.536
more than 600 stems/ha0.41005.8236.222
total1.44927.9529.34
TG0-100 stems/ha..1.8391.839
101-200 stems/ha..3.1303.130
201-300 stems/ha..4.6244.624
301-400 stems/ha..1.5431.543
401-500 stems/ha..3.6273.627
501-600 stems/ha..3.0303.030
more than 600 stems/ha..4.2244.224
total..21.7421.74
TI0-100 stems/ha1.15819.21320.213
101-200 stems/ha0.77114.71515.415
201-300 stems/ha0.77112.91613.616
301-400 stems/ha1.15814.61515.714
401-500 stems/ha0.77112.91613.615
501-600 stems/ha1.1589.71910.718
more than 600 stems/ha2.93531.5934.49
total8.220115.43123.62
UR0-100 stems/ha0.31002.4372.735
101-200 stems/ha..2.0392.039
201-300 stems/ha0.31001.7442.040
301-400 stems/ha..0.7700.770
401-500 stems/ha0.7702.0392.634
501-600 stems/ha0.31001.7442.040
more than 600 stems/ha1.3495.3236.620
total3.03115.71118.78
VD0-100 stems/ha..9.8199.819
101-200 stems/ha..18.41318.413
201-300 stems/ha..13.71613.716
301-400 stems/ha..15.61415.614
401-500 stems/ha0.87111.71712.516
501-600 stems/ha..8.7208.720
more than 600 stems/ha..21.61221.612
total0.87199.62100.32
VS0-100 stems/ha1.05818.61319.712
101-200 stems/ha0.310014.41514.814
201-300 stems/ha2.14116.81318.913
301-400 stems/ha1.45010.01811.417
401-500 stems/ha0.77115.81416.514
501-600 stems/ha0.7716.2236.922
more than 600 stems/ha2.14124.41126.410
total8.220106.23114.43
ZG0-100 stems/ha..0.9680.968
101-200 stems/ha..0.41000.4100
201-300 stems/ha..1.3531.353
301-400 stems/ha..0.9680.968
401-500 stems/ha..1.7441.744
501-600 stems/ha......
more than 600 stems/ha..1.2561.256
total..6.376.37
ZH0-100 stems/ha..5.6245.624
101-200 stems/ha..9.2189.218
201-300 stems/ha..9.9179.917
301-400 stems/ha..10.91610.916
401-500 stems/ha..6.4226.422
501-600 stems/ha..4.9264.926
more than 600 stems/ha..4.9264.926
total..51.8251.82
Switzerland0-100 stems/ha5.326141.95147.35
101-200 stems/ha4.628162.64167.24
201-300 stems/ha6.323184.64190.94
301-400 stems/ha5.027176.24181.24
401-500 stems/ha4.628145.15149.75
501-600 stems/ha4.628106.56111.15
more than 600 stems/ha12.417239.64252.03
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #162204/148583

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha..100.0.12.511.712.94.012.15.712.43.0
101-200 stems/ha11.110.5..12.511.710.13.612.25.710.82.8
201-300 stems/ha11.010.4..25.015.315.74.312.15.714.83.2
301-400 stems/ha22.213.9....11.43.812.15.711.62.9
401-500 stems/ha....12.511.714.34.26.14.210.72.8
501-600 stems/ha22.213.9..12.511.78.63.312.15.710.82.8
more than 600 stems/ha33.415.7..25.015.327.15.333.38.228.94.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha7.91.211.31.29.91.215.01.116.31.812.20.6
101-200 stems/ha14.61.517.71.510.11.214.11.112.71.714.00.6
201-300 stems/ha14.51.519.21.515.71.516.81.211.41.616.00.6
301-400 stems/ha19.21.715.51.417.01.512.21.014.21.715.20.6
401-500 stems/ha13.21.412.21.312.51.312.91.011.71.612.60.6
501-600 stems/ha11.41.49.01.110.11.27.80.89.01.49.20.5
more than 600 stems/ha19.21.715.21.424.91.821.11.324.72.220.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha7.71.111.41.29.91.214.91.116.01.712.20.6
101-200 stems/ha14.61.517.61.510.11.213.91.012.71.613.90.6
201-300 stems/ha14.41.519.11.515.81.516.71.111.51.515.90.6
301-400 stems/ha19.31.715.51.416.71.512.21.014.01.715.10.6
401-500 stems/ha13.01.412.21.312.51.313.01.011.31.512.50.6
501-600 stems/ha11.51.49.01.110.11.27.90.89.21.49.30.5
more than 600 stems/ha19.51.715.21.424.91.721.51.225.32.121.10.7
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 #162205/148584

NFI4b

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
grid:
state 2009/13
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..0.41000.41003.1331.4505.326
101-200 stems/ha0.4100..0.41002.4381.4504.628
201-300 stems/ha0.4100..0.7713.8301.4506.323
301-400 stems/ha0.771....2.8351.4504.927
401-500 stems/ha....0.41003.5310.7714.528
501-600 stems/ha0.771..0.41002.1411.4504.628
more than 600 stems/ha1.158..0.7716.6233.93012.317
total3.3330.41002.93524.21211.71742.49
outside perimeter0-100 stems/ha15.71526.01121.61254.3823.112140.75
101-200 stems/ha29.21140.8922.01251.1818.013161.14
201-300 stems/ha28.81044.3834.21060.7716.314184.34
301-400 stems/ha38.3935.8937.1944.3820.213175.84
401-500 stems/ha26.31128.11127.41146.8816.614145.25
501-600 stems/ha22.61220.81322.01228.41112.816106.66
more than 600 stems/ha38.3935.1954.4776.6635.19239.53
total199.31231.01218.72362.32142.131153.31
total0-100 stems/ha15.71526.41122.01257.4724.511146.05
101-200 stems/ha29.61040.8922.31253.6819.513165.74
201-300 stems/ha29.21044.3835.0964.5717.713190.64
301-400 stems/ha39.1935.8937.1947.1821.612180.74
401-500 stems/ha26.31128.11127.71150.2817.414149.75
501-600 stems/ha23.41220.81322.31230.51014.215111.15
more than 600 stems/ha39.4935.1955.1783.1639.08251.83
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162206/148585

NFI4b

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
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha10.09.511.17.412.06.512.76.918.111.612.15.712.43.0
101-200 stems/ha10.09.511.17.44.03.94.24.136.614.612.25.710.92.8
201-300 stems/ha10.19.611.17.416.07.324.98.89.18.712.15.714.83.2
301-400 stems/ha20.012.65.65.412.06.516.67.6..12.15.711.52.9
401-500 stems/ha..22.29.816.07.38.35.69.18.76.14.210.72.8
501-600 stems/ha20.012.611.17.412.06.58.35.6..12.15.710.82.8
more than 600 stems/ha30.014.527.810.628.09.024.98.827.213.433.38.228.94.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha9.70.911.01.312.51.817.52.213.31.716.31.812.20.6
101-200 stems/ha16.31.112.51.48.81.513.62.015.51.812.71.714.00.6
201-300 stems/ha17.01.115.51.516.61.915.82.117.71.911.41.616.00.6
301-400 stems/ha17.21.116.91.613.31.89.41.714.11.714.21.715.20.6
401-500 stems/ha12.61.010.71.313.81.814.92.013.11.711.71.612.60.6
501-600 stems/ha10.10.99.31.210.41.65.81.38.51.49.01.49.20.5
more than 600 stems/ha17.01.124.21.824.62.222.92.417.91.924.72.220.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha9.70.911.01.312.51.717.22.113.41.716.01.712.30.6
101-200 stems/ha16.21.112.41.48.51.412.91.816.01.812.71.613.90.6
201-300 stems/ha17.01.115.31.516.61.916.52.017.51.811.51.516.00.6
301-400 stems/ha17.21.116.61.513.21.79.91.613.71.714.01.715.10.6
401-500 stems/ha12.51.011.01.313.91.714.41.913.01.611.31.512.50.6
501-600 stems/ha10.10.99.31.210.51.66.01.38.31.39.21.49.30.5
more than 600 stems/ha17.11.124.31.824.92.223.12.318.21.925.32.121.00.7
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 #162207/148586

NFI4b

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
grid:
state 2009/13
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/ha0.41000.7711.0581.0580.7711.4505.326
101-200 stems/ha0.41000.7710.31000.31001.4501.4504.628
201-300 stems/ha0.41000.7711.4502.1410.41001.4506.323
301-400 stems/ha0.7710.41001.0581.450..1.4504.927
401-500 stems/ha..1.4501.4500.7710.41000.7714.628
501-600 stems/ha0.7710.7711.0580.771..1.4504.628
more than 600 stems/ha1.1581.8452.4382.1411.1583.93012.317
total3.6326.5238.6198.2203.93011.71742.59
outside perimeter0-100 stems/ha41.9922.41216.01518.61319.31323.112141.35
101-200 stems/ha70.1725.21111.21714.41522.41218.013161.54
201-300 stems/ha73.3631.41021.21216.81325.61116.314184.74
301-400 stems/ha74.0634.31016.91410.01820.41220.213175.84
401-500 stems/ha54.4821.61217.61315.81418.91316.614145.05
501-600 stems/ha43.3918.81313.3166.22312.31612.816106.66
more than 600 stems/ha73.3649.0831.5924.41126.01135.19239.33
total430.41202.72127.83106.23145.02142.131154.11
total0-100 stems/ha42.2923.11217.11419.71220.01324.511146.65
101-200 stems/ha70.5726.01111.51714.81423.81119.513166.14
201-300 stems/ha73.7632.11022.61218.91326.01117.713190.94
301-400 stems/ha74.7634.6918.01311.41720.41221.612180.74
401-500 stems/ha54.4823.11219.01316.51419.31317.414149.65
501-600 stems/ha44.0919.51314.3156.92212.31614.215111.15
more than 600 stems/ha74.4650.8833.9926.41027.01139.08251.63
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162208/148587

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified) %± %± %±
Western Jura0-100 stems/ha..8.01.37.91.3
101-200 stems/ha12.411.714.41.714.41.7
201-300 stems/ha12.912.013.41.613.41.6
301-400 stems/ha24.915.317.91.918.01.8
401-500 stems/ha..14.11.713.91.7
501-600 stems/ha24.915.312.71.612.91.6
more than 600 stems/ha24.915.319.51.919.61.9
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha..7.42.47.42.4
101-200 stems/ha..15.73.315.63.3
201-300 stems/ha..18.23.518.13.5
301-400 stems/ha..24.03.923.83.9
401-500 stems/ha..9.92.79.82.7
501-600 stems/ha..6.62.36.62.3
more than 600 stems/ha100.0.18.13.518.83.5
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha..13.43.113.43.1
101-200 stems/ha..17.63.517.63.5
201-300 stems/ha..13.53.213.53.2
301-400 stems/ha..12.73.112.73.1
401-500 stems/ha..13.43.113.43.1
501-600 stems/ha..8.22.58.22.5
more than 600 stems/ha..21.13.821.13.8
total..100.0.100.0.
Central Plateau0-100 stems/ha100.0.10.42.010.82.1
101-200 stems/ha..16.72.516.62.5
201-300 stems/ha..22.12.822.02.8
301-400 stems/ha..15.02.414.92.4
401-500 stems/ha..11.72.211.72.2
501-600 stems/ha..8.21.98.21.9
more than 600 stems/ha..16.02.515.92.5
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..11.01.811.01.8
101-200 stems/ha..18.32.218.32.2
201-300 stems/ha..19.22.219.22.2
301-400 stems/ha..17.02.117.02.1
401-500 stems/ha..12.01.812.01.8
501-600 stems/ha..9.81.79.81.7
more than 600 stems/ha..12.61.912.61.9
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha..13.13.113.03.0
101-200 stems/ha..15.63.315.53.3
201-300 stems/ha100.0.9.82.710.62.8
301-400 stems/ha..14.03.213.93.1
401-500 stems/ha..8.22.58.22.5
501-600 stems/ha..10.62.810.62.8
more than 600 stems/ha..28.74.128.44.1
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha25.021.78.31.78.61.7
101-200 stems/ha..10.11.810.01.8
201-300 stems/ha25.021.716.62.216.72.2
301-400 stems/ha..20.62.420.32.4
401-500 stems/ha25.021.711.21.911.41.9
501-600 stems/ha..9.01.78.91.7
more than 600 stems/ha25.021.724.22.624.22.6
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..10.12.19.92.1
101-200 stems/ha33.327.36.71.77.11.8
201-300 stems/ha..17.82.717.52.6
301-400 stems/ha..13.92.413.72.4
401-500 stems/ha..16.82.616.62.6
501-600 stems/ha33.327.311.12.211.42.2
more than 600 stems/ha33.327.323.62.923.72.9
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha7.77.414.12.713.72.6
101-200 stems/ha15.410.014.12.714.22.6
201-300 stems/ha..17.83.016.52.8
301-400 stems/ha7.77.412.92.612.52.5
401-500 stems/ha23.111.711.72.512.52.5
501-600 stems/ha15.410.08.62.29.12.2
more than 600 stems/ha30.812.820.83.221.63.1
total100.0.100.0.100.0.
Central Alps0-100 stems/ha8.38.015.54.314.53.9
101-200 stems/ha..11.03.79.43.2
201-300 stems/ha8.38.012.63.912.03.6
301-400 stems/ha8.38.011.13.710.73.4
401-500 stems/ha16.710.811.03.711.83.5
501-600 stems/ha16.710.87.03.08.43.0
more than 600 stems/ha41.714.331.85.533.25.2
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha20.012.714.03.814.63.6
101-200 stems/ha..11.63.510.43.1
201-300 stems/ha30.014.517.44.118.74.0
301-400 stems/ha20.012.714.03.814.63.6
401-500 stems/ha20.012.79.33.110.43.1
501-600 stems/ha..11.63.510.43.1
more than 600 stems/ha10.09.522.14.520.84.2
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha12.76.917.52.217.22.1
101-200 stems/ha4.24.113.62.012.91.8
201-300 stems/ha24.98.815.82.116.52.0
301-400 stems/ha16.67.69.41.79.91.6
401-500 stems/ha8.35.614.92.014.41.9
501-600 stems/ha8.35.65.81.36.01.3
more than 600 stems/ha24.98.822.92.423.12.3
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha18.111.613.31.713.41.7
101-200 stems/ha36.614.615.51.816.01.8
201-300 stems/ha9.18.717.71.917.51.8
301-400 stems/ha..14.11.713.71.7
401-500 stems/ha9.18.713.11.713.01.6
501-600 stems/ha..8.51.48.31.3
more than 600 stems/ha27.213.417.91.918.21.9
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha12.15.716.31.816.01.7
101-200 stems/ha12.25.712.71.712.71.6
201-300 stems/ha12.15.711.41.611.51.5
301-400 stems/ha12.15.714.21.714.01.7
401-500 stems/ha6.14.211.71.611.31.5
501-600 stems/ha12.15.79.01.49.21.4
more than 600 stems/ha33.38.224.72.225.32.1
total100.0.100.0.100.0.
Switzerland0-100 stems/ha12.33.012.20.612.20.6
101-200 stems/ha10.82.814.00.613.90.6
201-300 stems/ha14.93.215.90.615.90.6
301-400 stems/ha11.52.915.30.615.10.6
401-500 stems/ha10.72.812.60.612.50.6
501-600 stems/ha10.72.89.20.59.30.5
more than 600 stems/ha28.94.120.80.721.10.7
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162209/148588

NFI4b

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
grid:
state 2009/13
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..12.21712.217
101-200 stems/ha0.410021.81222.212
201-300 stems/ha0.410020.31220.712
301-400 stems/ha0.77127.11027.810
401-500 stems/ha..21.41221.412
501-600 stems/ha0.77119.31320.013
more than 600 stems/ha0.77129.61030.310
total2.935151.82154.72
Eastern Jura0-100 stems/ha..3.6323.632
101-200 stems/ha..7.5217.521
201-300 stems/ha..8.7198.719
301-400 stems/ha..11.51611.516
401-500 stems/ha..4.7284.728
501-600 stems/ha..3.2343.234
more than 600 stems/ha0.41008.6209.019
total0.410047.8248.22
Western Plateau0-100 stems/ha..6.5246.524
101-200 stems/ha..8.6208.620
201-300 stems/ha..6.6236.623
301-400 stems/ha..6.2246.224
401-500 stems/ha..6.5246.524
501-600 stems/ha..4.0314.031
more than 600 stems/ha..10.31810.318
total..48.7348.73
Central Plateau0-100 stems/ha0.31007.1207.419
101-200 stems/ha..11.51511.515
201-300 stems/ha..15.21315.213
301-400 stems/ha..10.31610.316
401-500 stems/ha..8.1198.119
501-600 stems/ha..5.6235.623
more than 600 stems/ha..11.01611.016
total0.310068.8269.12
Eastern Plateau0-100 stems/ha..12.51612.516
101-200 stems/ha..20.71220.712
201-300 stems/ha..21.81221.812
301-400 stems/ha..19.31219.312
401-500 stems/ha..13.61513.615
501-600 stems/ha..11.11711.117
more than 600 stems/ha..14.31514.315
total..113.32113.32
Western Pre-Alps0-100 stems/ha..5.9245.924
101-200 stems/ha..7.0217.021
201-300 stems/ha0.41004.4284.827
301-400 stems/ha..6.3236.323
401-500 stems/ha..3.7303.730
501-600 stems/ha..4.8274.827
more than 600 stems/ha..12.91512.915
total0.410045.1445.54
Central Pre-Alps0-100 stems/ha0.41008.3208.620
101-200 stems/ha..10.01810.018
201-300 stems/ha0.410016.51416.914
301-400 stems/ha..20.41220.412
401-500 stems/ha0.410011.11711.517
501-600 stems/ha..9.0199.019
more than 600 stems/ha0.410024.01124.411
total1.45099.32100.82
Eastern Pre-Alps0-100 stems/ha..7.5217.521
101-200 stems/ha0.41005.0265.425
201-300 stems/ha..13.21513.215
301-400 stems/ha..10.41710.417
401-500 stems/ha..12.51612.516
501-600 stems/ha0.41008.2208.619
more than 600 stems/ha0.410017.51317.913
total1.15774.3375.33
Northwestern Alps0-100 stems/ha0.41008.2208.619
101-200 stems/ha0.7718.2209.019
201-300 stems/ha..10.41710.417
301-400 stems/ha0.41007.5217.920
401-500 stems/ha1.1576.8227.920
501-600 stems/ha0.7715.0265.724
more than 600 stems/ha1.45012.11613.615
total4.62758.3462.94
Central Alps0-100 stems/ha0.31003.9294.228
101-200 stems/ha..2.7342.734
201-300 stems/ha0.31003.2333.531
301-400 stems/ha0.31002.8343.132
401-500 stems/ha0.7702.7343.430
501-600 stems/ha0.7701.7442.437
more than 600 stems/ha1.7448.0199.717
total4.12725.0829.17
Northeastern Alps0-100 stems/ha0.7704.3285.026
101-200 stems/ha..3.6313.631
201-300 stems/ha1.1575.4246.422
301-400 stems/ha0.7704.3285.025
401-500 stems/ha0.7702.9343.630
501-600 stems/ha..3.6303.630
more than 600 stems/ha0.41006.8217.221
total3.63030.8634.45
Southwestern Alps0-100 stems/ha1.05818.61319.712
101-200 stems/ha0.310014.41514.814
201-300 stems/ha2.14116.81318.913
301-400 stems/ha1.45010.01811.417
401-500 stems/ha0.77115.81416.514
501-600 stems/ha0.7716.2236.922
more than 600 stems/ha2.14124.41126.410
total8.220106.23114.43
Southeastern Alps0-100 stems/ha0.77119.31320.013
101-200 stems/ha1.45022.41223.811
201-300 stems/ha0.410025.61126.011
301-400 stems/ha..20.41220.412
401-500 stems/ha0.410018.91319.313
501-600 stems/ha..12.31612.316
more than 600 stems/ha1.15826.01127.011
total3.930145.02148.92
Southern Alps0-100 stems/ha1.45023.11224.511
101-200 stems/ha1.45018.01319.513
201-300 stems/ha1.45016.31417.713
301-400 stems/ha1.45020.21321.612
401-500 stems/ha0.77116.61417.414
501-600 stems/ha1.45012.81614.215
more than 600 stems/ha3.93035.1939.08
total11.717142.13153.82
Switzerland0-100 stems/ha5.326141.05146.35
101-200 stems/ha4.628161.74166.34
201-300 stems/ha6.323184.44190.74
301-400 stems/ha4.927176.64181.54
401-500 stems/ha4.628145.55150.05
501-600 stems/ha4.628106.76111.35
more than 600 stems/ha12.317240.64252.93
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162210/148589

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a..50.035.4..4.44.3..2.92.92.51.4
crowded44.416.6..31.07.129.19.3..35.38.229.84.2
normal33.315.750.035.431.07.14.24.140.115.526.67.625.84.0
loose....9.54.516.67.610.09.55.94.09.02.6
open11.110.5..11.95.016.67.610.09.55.94.010.72.8
scattered....4.83.312.56.710.09.58.84.97.42.4
grouped crowded....4.83.34.24.1..5.94.04.11.8
grouped normal11.310.6..4.83.3..10.09.55.94.05.02.0
heterogeneous....2.42.412.56.720.012.62.92.95.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.70.32.10.52.61.03.00.91.20.51.50.2
crowded29.92.030.51.725.71.418.72.47.41.432.02.325.80.8
normal31.82.039.61.821.41.314.32.19.71.616.51.824.80.7
loose10.31.312.51.27.90.98.11.710.11.65.61.19.30.5
open13.61.511.11.214.71.118.02.322.72.312.71.714.60.6
scattered5.21.03.20.69.10.916.62.317.42.113.31.79.10.5
grouped crowded0.80.40.30.27.50.84.41.38.81.58.11.34.70.4
grouped normal1.70.60.50.36.60.83.31.116.52.08.01.35.40.4
heterogeneous6.21.01.60.55.00.714.02.14.41.12.40.84.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.00.42.70.92.90.91.40.51.60.2
crowded30.12.030.41.725.91.419.52.37.21.432.22.225.90.7
normal31.82.039.71.821.81.313.52.010.61.617.31.824.80.7
loose10.11.312.41.28.00.98.81.710.11.65.61.19.30.5
open13.61.511.11.214.61.117.92.222.42.212.21.614.40.6
scattered5.20.93.10.68.90.916.22.117.22.013.01.69.10.5
grouped crowded0.70.40.30.27.40.84.41.28.51.57.91.34.70.4
grouped normal1.80.60.50.36.60.83.01.016.32.07.81.35.40.4
heterogeneous6.11.01.60.54.80.713.92.04.91.22.50.74.80.4
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 #162211/148590

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
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..0.4100..0.41001.158
crowded1.450..4.6282.437..4.32912.717
normal1.1580.41004.6280.31001.4503.23311.018
loose....1.4501.4500.41000.7713.930
open0.4100..1.8451.4500.41000.7714.628
scattered....0.7711.0580.41001.1583.233
grouped crowded....0.7710.3100..0.7711.845
grouped normal0.4100..0.771..0.41000.7712.141
heterogeneous....0.41001.0580.7710.41002.438
total3.2330.77114.9158.2203.53112.11742.79
outside perimetern/a1.1581.8457.2222.4373.5311.84517.714
crowded57.6778.5688.7617.4138.92046.78297.83
normal61.26102.2573.8613.31511.61724.111286.33
loose19.81332.21027.3117.62112.0168.220107.16
open26.31128.71150.9816.81327.21018.613168.44
scattered10.1198.12131.51015.51420.81219.513105.56
grouped crowded1.4500.77125.9114.12810.51811.81754.58
grouped normal3.3331.45022.9123.13319.71311.71762.17
heterogeneous11.9174.22917.11413.1155.3253.63155.28
total192.82257.91345.1293.33119.53145.931154.51
totaln/a1.1582.1417.2222.8353.5312.14118.814
crowded59.1778.5693.3519.8128.92050.97310.53
normal62.36102.6578.4613.71513.01627.411297.33
loose19.81332.21028.7118.91912.4168.919111.05
open26.71128.71152.6818.21327.51019.313172.94
scattered10.1198.12132.21016.51421.21220.513108.65
grouped crowded1.4500.77126.6114.52710.51812.51656.28
grouped normal3.6321.45023.6123.13320.11212.41664.27
heterogeneous11.9174.22917.51414.1156.0243.93057.68
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162212/148591

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 1%....1.8450.41000.4100..2.538
1-4%0.4100..1.8451.7440.7713.6318.121
5-9%1.450..2.5382.4370.41003.2339.919
10-25%1.158..4.6282.1411.8453.63113.116
26-50%..0.41001.8451.4500.41001.4505.326
51-75%0.41000.41001.4500.3100....2.538
76-100%....1.158....0.41001.450
total3.2330.77114.9158.2203.53112.11742.79
outside perimeterless than 1%8.72015.61527.7116.82216.31416.81491.86
1-4%20.91325.11156.9722.01128.31031.710184.94
5-9%28.51127.61154.3819.61219.41334.29183.64
10-25%49.7766.96116.1527.41035.9937.59333.53
26-50%36.7954.5756.4714.41514.01517.414193.44
51-75%26.71138.9922.7122.1414.9265.924101.06
76-100%21.61229.41011.1181.0580.7712.53866.37
total192.82257.91345.1293.33119.53145.931154.51
totalless than 1%8.72015.61529.5117.22116.61416.81494.36
1-4%21.31225.11158.7723.71129.01035.39193.04
5-9%29.91027.61156.8722.01119.81237.49193.44
10-25%50.8766.96120.7529.5937.7841.18346.63
26-50%36.7954.8758.1715.81414.41518.813198.74
51-75%27.01139.2924.1122.4374.9265.924103.56
76-100%21.61229.41012.1171.0580.7712.83567.77
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162257/148636

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration %± %± %±
AGless than 1%..6.62.26.62.2
1-4%..7.42.47.42.4
5-9%..8.22.58.22.5
10-25%..23.03.823.03.8
26-50%..23.83.923.83.9
51-75%..9.82.79.82.7
76-100%..21.33.721.33.7
total..100.0.100.0.
AIless than 1%..30.811.830.811.8
1-4%..44.512.844.512.8
5-9%..6.26.16.26.1
10-25%..12.38.412.38.4
26-50%..6.26.16.26.1
51-75%......
76-100%......
total..100.0.100.0.
ARless than 1%..19.17.819.17.8
1-4%..15.37.215.37.2
5-9%..23.08.423.08.4
10-25%..15.37.215.37.2
26-50%..19.17.819.17.8
51-75%......
76-100%..8.15.58.15.5
total..100.0.100.0.
BEless than 1%..4.91.04.80.9
1-4%17.69.213.71.613.81.5
5-9%17.69.217.61.717.61.7
10-25%35.611.630.52.130.72.1
26-50%..16.81.716.21.6
51-75%17.69.29.61.39.91.3
76-100%11.77.86.81.16.91.1
total100.0.100.0.100.0.
BL/BSless than 1%..4.02.83.92.8
1-4%..8.03.97.93.8
5-9%..6.03.45.93.3
10-25%100.0.31.76.633.16.6
26-50%..18.15.517.75.4
51-75%..20.15.719.75.6
76-100%..12.04.611.84.6
total100.0.100.0.100.0.
FRless than 1%..5.22.15.22.1
1-4%..13.83.213.83.2
5-9%..13.73.213.73.2
10-25%..37.14.537.14.5
26-50%..19.03.719.03.7
51-75%..10.32.810.32.8
76-100%..0.90.90.90.9
total..100.0.100.0.
GEless than 1%..29.518.729.518.7
1-4%......
5-9%..14.814.614.814.6
10-25%..29.518.729.518.7
26-50%..14.814.614.814.6
51-75%......
76-100%..11.410.311.410.3
total..100.0.100.0.
GLless than 1%14.313.315.15.715.05.3
1-4%14.313.315.15.715.05.3
5-9%28.617.212.45.214.85.2
10-25%14.313.327.27.125.36.4
26-50%14.313.315.15.715.05.3
51-75%14.313.310.14.810.74.6
76-100%..5.03.54.33.0
total100.0.100.0.100.0.
GRless than 1%4.74.615.11.614.71.6
1-4%38.110.624.01.924.61.9
5-9%14.27.617.31.717.21.7
10-25%38.110.628.42.028.82.0
26-50%4.74.610.61.410.31.3
51-75%..3.40.83.30.8
76-100%..1.20.51.20.5
total100.0.100.0.100.0.
JUless than 1%..2.41.72.31.6
1-4%33.327.47.12.88.02.9
5-9%33.327.410.63.411.43.4
10-25%..32.95.131.85.0
26-50%..17.64.117.04.0
51-75%33.327.420.04.420.54.3
76-100%..9.43.29.13.1
total100.0.100.0.100.0.
LUless than 1%..5.42.05.42.0
1-4%..12.52.912.52.9
5-9%..12.32.912.32.9
10-25%..35.04.235.04.2
26-50%..23.33.723.33.7
51-75%..8.52.58.52.5
76-100%..3.11.53.11.5
total..100.0.100.0.
NEless than 1%..1.11.11.11.1
1-4%..8.23.08.23.0
5-9%..13.03.713.03.7
10-25%..31.85.031.85.0
26-50%..25.04.625.04.6
51-75%..12.83.612.83.6
76-100%..8.02.98.02.9
total..100.0.100.0.
NWless than 1%..10.57.210.06.9
1-4%..26.310.325.09.9
5-9%..15.88.515.08.2
10-25%..21.19.520.09.1
26-50%100.0.10.57.215.08.2
51-75%..10.57.210.06.9
76-100%..5.35.25.05.0
total100.0.100.0.100.0.
OWless than 1%..1.91.91.81.8
1-4%..13.34.712.84.6
5-9%50.035.720.85.621.85.6
10-25%..43.36.941.76.7
26-50%..11.24.410.84.2
51-75%50.035.77.63.79.23.9
76-100%..1.91.91.81.8
total100.0.100.0.100.0.
SGless than 1%20.017.911.82.612.02.6
1-4%..11.82.611.42.5
5-9%..13.72.813.32.7
10-25%60.022.034.73.935.53.8
26-50%20.017.917.03.017.13.0
51-75%..7.22.17.02.0
76-100%..3.91.63.81.5
total100.0.100.0.100.0.
SHless than 1%..16.76.316.76.3
1-4%..13.95.813.95.8
5-9%..8.34.78.34.7
10-25%..19.46.719.46.7
26-50%..19.46.719.46.7
51-75%..19.46.719.46.7
76-100%..2.82.82.82.8
total..100.0.100.0.
SOless than 1%..2.41.72.41.7
1-4%..6.02.65.92.6
5-9%100.0.16.94.118.84.3
10-25%..21.74.521.24.5
26-50%..15.74.015.33.9
51-75%..18.14.217.64.2
76-100%..19.34.318.84.3
total100.0.100.0.100.0.
SZless than 1%..7.83.17.42.9
1-4%25.021.820.84.621.04.5
5-9%..16.94.316.14.1
10-25%25.021.829.95.229.65.1
26-50%25.021.822.14.722.34.6
51-75%..2.61.82.51.7
76-100%25.021.8..1.21.2
total100.0.100.0.100.0.
TGless than 1%..8.33.38.33.3
1-4%..5.92.95.92.9
5-9%..4.12.44.12.4
10-25%..27.65.327.65.3
26-50%..22.45.022.45.0
51-75%..17.94.517.94.5
76-100%..13.84.113.84.1
total..100.0.100.0.
TIless than 1%..9.01.68.41.5
1-4%17.47.920.52.320.32.2
5-9%30.49.623.32.423.82.3
10-25%30.49.627.52.527.72.4
26-50%17.47.913.01.913.31.8
51-75%..4.81.24.51.1
76-100%4.34.31.90.82.00.8
total100.0.100.0.100.0.
URless than 1%33.315.82.12.17.13.4
1-4%..8.44.07.13.4
5-9%22.213.916.85.417.65.1
10-25%22.213.927.56.626.75.9
26-50%22.213.936.57.134.26.4
51-75%..8.74.27.33.5
76-100%......
total100.0.100.0.100.0.
VDless than 1%..6.01.56.01.5
1-4%..16.32.316.22.3
5-9%..15.32.215.22.2
10-25%100.0.25.82.726.42.7
26-50%..18.72.418.52.4
51-75%..9.21.89.11.8
76-100%..8.81.78.71.7
total100.0.100.0.100.0.
VSless than 1%4.44.37.11.56.91.4
1-4%20.88.323.62.423.42.3
5-9%29.19.321.02.321.62.3
10-25%24.98.829.82.629.42.5
26-50%16.67.614.62.014.71.9
51-75%4.24.12.91.03.00.9
76-100%..1.00.60.90.5
total100.0.100.0.100.0.
ZGless than 1%..18.910.218.910.2
1-4%..6.86.86.86.8
5-9%..6.86.86.86.8
10-25%..20.310.820.310.8
26-50%..20.310.820.310.8
51-75%..20.310.820.310.8
76-100%..6.86.86.86.8
total..100.0.100.0.
ZHless than 1%..3.41.53.41.5
1-4%..10.22.510.22.5
5-9%..8.22.38.22.3
10-25%..21.83.421.83.4
26-50%..19.13.319.13.3
51-75%..22.43.422.43.4
76-100%..15.03.015.03.0
total..100.0.100.0.
Switzerlandless than 1%5.72.17.90.57.90.5
1-4%18.93.616.00.616.10.6
5-9%23.23.815.90.616.10.6
10-25%30.64.228.80.828.90.8
26-50%12.43.016.70.716.60.6
51-75%5.92.28.80.58.70.5
76-100%3.31.65.80.45.80.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162258/148637

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %
AGless than 1%..3.2343.234
1-4%..3.6323.632
5-9%..4.0304.030
10-25%..11.31711.317
26-50%..11.71611.716
51-75%..4.8284.828
76-100%..10.51810.518
total..49.1249.12
AIless than 1%..1.6391.639
1-4%..2.3332.333
5-9%..0.31000.3100
10-25%..0.6690.669
26-50%..0.31000.3100
51-75%......
76-100%......
total..5.2125.212
ARless than 1%..1.6411.641
1-4%..1.3471.347
5-9%..1.9361.936
10-25%..1.3471.347
26-50%..1.6411.641
51-75%......
76-100%..0.7710.771
total..8.468.46
BEless than 1%..8.2208.220
1-4%1.05822.91123.911
5-9%1.05829.51030.510
10-25%2.14151.1753.27
26-50%..28.11028.110
51-75%1.05816.11417.114
76-100%0.77111.31712.016
total5.824167.32173.12
BL/BSless than 1%..0.8700.870
1-4%..1.6491.649
5-9%..1.2571.257
10-25%0.41006.4226.921
26-50%..3.7313.731
51-75%..4.1294.129
76-100%..2.4392.439
total0.410020.3520.75
FRless than 1%..2.2402.240
1-4%..6.0236.023
5-9%..5.9245.924
10-25%..16.01316.013
26-50%..8.2198.219
51-75%..4.5284.528
76-100%..0.41000.4100
total..43.3343.33
GEless than 1%..0.9650.965
1-4%......
5-9%..0.51000.5100
10-25%..0.9650.965
26-50%..0.51000.5100
51-75%......
76-100%..0.41000.4100
total..3.1203.120
GLless than 1%0.41002.3392.736
1-4%0.41002.3392.736
5-9%0.8701.9442.736
10-25%0.41004.2284.627
26-50%0.41002.3392.736
51-75%0.41001.5491.943
76-100%..0.8700.870
total2.73615.31018.07
GRless than 1%0.310025.91126.211
1-4%2.83541.2844.08
5-9%1.05829.71030.710
10-25%2.83548.7851.57
26-50%0.310018.11318.513
51-75%..5.9245.924
76-100%..2.1412.141
total7.421171.62179.02
JUless than 1%..0.8700.870
1-4%0.41002.3402.736
5-9%0.41003.5323.930
10-25%..10.91610.916
26-50%..5.8245.824
51-75%0.41006.6227.021
76-100%..3.1343.134
total1.25733.0434.23
LUless than 1%..2.2372.237
1-4%..5.1245.124
5-9%..5.0245.024
10-25%..14.21314.213
26-50%..9.5169.516
51-75%..3.5293.529
76-100%..1.3491.349
total..40.7340.73
NEless than 1%..0.31000.3100
1-4%..2.3372.337
5-9%..3.7293.729
10-25%..9.0169.016
26-50%..7.0197.019
51-75%..3.6293.629
76-100%..2.2372.237
total..28.2428.24
NWless than 1%..0.8690.869
1-4%..1.9401.940
5-9%..1.2551.255
10-25%..1.5461.546
26-50%0.41000.8691.255
51-75%..0.8690.869
76-100%..0.41000.4100
total0.41007.3107.78
OWless than 1%..0.41000.4100
1-4%..2.6362.636
5-9%0.41004.1284.526
10-25%..8.5178.517
26-50%..2.2392.239
51-75%0.41001.5491.943
76-100%..0.41000.4100
total0.77019.6620.45
SGless than 1%0.41006.5236.922
1-4%..6.5236.523
5-9%..7.6217.621
10-25%1.15719.21220.211
26-50%0.41009.4189.718
51-75%..4.0294.029
76-100%..2.2402.240
total1.84455.3457.14
SHless than 1%..2.1382.138
1-4%..1.8421.842
5-9%..1.1561.156
10-25%..2.5342.534
26-50%..2.5342.534
51-75%..2.5342.534
76-100%..0.41000.4100
total..12.8312.83
SOless than 1%..0.8700.870
1-4%..1.9441.944
5-9%0.8705.3256.123
10-25%..6.8216.821
26-50%..4.9264.926
51-75%..5.7245.724
76-100%..6.1236.123
total0.87031.4432.23
SZless than 1%..2.2402.240
1-4%0.41005.8236.222
5-9%..4.7264.726
10-25%0.41008.3188.718
26-50%0.41006.2236.522
51-75%..0.7700.770
76-100%0.4100..0.4100
total1.44927.9529.34
TGless than 1%..1.8391.839
1-4%..1.3501.350
5-9%..0.9570.957
10-25%..6.0196.019
26-50%..4.9234.923
51-75%..3.9253.925
76-100%..3.0303.030
total..21.7421.74
TIless than 1%..10.41810.418
1-4%1.45023.71125.111
5-9%2.53726.91129.410
10-25%2.53731.7934.39
26-50%1.45015.01516.414
51-75%..5.6255.625
76-100%0.41002.1412.537
total8.220115.43123.62
URless than 1%1.0570.31001.349
1-4%..1.3491.349
5-9%0.7702.6343.330
10-25%0.7704.3265.024
26-50%0.7705.7236.421
51-75%..1.4501.450
76-100%......
total3.03115.71118.78
VDless than 1%..6.0256.025
1-4%..16.21416.214
5-9%..15.21515.215
10-25%0.87125.71126.411
26-50%..18.61318.613
51-75%..9.1209.120
76-100%..8.7208.720
total0.87199.62100.32
VSless than 1%0.41007.6217.920
1-4%1.74425.11126.810
5-9%2.43722.31124.711
10-25%2.14131.6933.79
26-50%1.45015.51416.913
51-75%0.31003.1333.431
76-100%..1.0581.058
total8.220106.23114.43
ZGless than 1%..1.2561.256
1-4%..0.41000.4100
5-9%..0.41000.4100
10-25%..1.3531.353
26-50%..1.3531.353
51-75%..1.3531.353
76-100%..0.41000.4100
total..6.376.37
ZHless than 1%..1.8441.844
1-4%..5.3255.325
5-9%..4.2284.228
10-25%..11.31611.316
26-50%..9.9179.917
51-75%..11.61511.615
76-100%..7.8207.820
total..51.8251.82
Switzerlandless than 1%2.43891.9694.36
1-4%8.121184.84192.94
5-9%9.919183.74193.64
10-25%13.116333.43346.53
26-50%5.326193.64198.94
51-75%2.538101.76104.26
76-100%1.45067.6769.07
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162259/148638

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %±
inside perimeterless than 1%......10.13.6..5.72.1
1-4%11.110.5....18.54.627.47.819.03.6
5-9%44.516.6..12.511.720.04.827.27.823.23.8
10-25%33.315.7..25.015.331.55.630.38.030.64.2
26-50%....25.015.312.84.012.15.712.43.0
51-75%11.110.5100.0.25.015.34.32.4..5.82.1
76-100%....12.511.72.92.03.03.03.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%4.60.95.90.97.71.19.70.911.51.67.90.5
1-4%10.11.310.01.215.51.521.01.322.02.116.00.6
5-9%15.21.510.01.214.71.417.81.223.52.115.90.6
10-25%26.21.925.11.733.91.931.11.425.62.228.90.8
26-50%19.21.721.21.617.01.514.51.111.71.616.80.7
51-75%13.91.515.51.47.41.14.20.64.11.08.80.5
76-100%10.81.312.21.33.80.81.60.41.70.75.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%4.50.95.90.97.61.19.80.910.61.57.80.5
1-4%10.11.310.01.215.31.520.81.222.42.016.10.6
5-9%15.71.510.01.214.61.417.91.123.72.016.20.6
10-25%26.31.925.11.733.81.931.11.425.92.129.00.8
26-50%18.91.721.11.617.11.514.41.111.71.516.60.6
51-75%13.91.515.61.47.61.14.20.63.80.98.70.5
76-100%10.61.312.21.33.90.81.70.41.80.65.70.4
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 #162260/148639

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 1%......2.438..2.438
1-4%0.4100....4.5283.2338.121
5-9%1.550..0.41004.8273.2339.819
10-25%1.158..0.7717.6213.53113.016
26-50%....0.7713.1331.4505.226
51-75%0.41000.41000.7711.058..2.538
76-100%....0.41000.7710.41001.450
total3.3330.41002.93524.21211.71742.49
outside perimeterless than 1%9.12013.71616.91435.31016.31491.46
1-4%20.11323.21233.91075.9631.210184.34
5-9%30.31023.21232.11064.5733.39183.44
10-25%52.2758.0774.26112.6536.39333.33
26-50%38.3948.9837.1952.6816.614193.54
51-75%27.71135.8916.21415.4155.924101.06
76-100%21.51228.1118.3215.9242.53866.47
total199.31231.01218.72362.32142.131153.31
totalless than 1%9.12013.71616.91437.8916.31493.86
1-4%20.41323.21233.91080.4634.49192.34
5-9%31.81023.21232.41069.3736.59193.24
10-25%53.3758.0775.06120.2539.98346.33
26-50%38.3948.9837.8955.7718.013198.84
51-75%28.11136.2916.91416.4145.924103.56
76-100%21.51228.1118.6206.6232.83567.87
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162261/148640

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%....20.08.04.44.39.18.7..5.72.1
1-4%10.09.516.78.88.05.420.88.327.213.427.47.819.03.6
5-9%39.915.516.78.816.07.329.19.39.18.727.27.823.13.8
10-25%30.114.533.311.128.09.024.98.845.615.030.38.030.64.2
26-50%..5.65.420.08.016.67.69.18.712.15.712.33.0
51-75%20.012.616.78.84.03.94.24.1....5.82.1
76-100%..11.17.44.03.9....3.03.03.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%5.30.64.40.912.21.77.11.513.81.711.51.67.90.5
1-4%10.10.914.91.516.21.923.62.423.32.122.02.116.00.6
5-9%12.41.016.51.613.81.821.02.316.01.823.52.115.90.6
10-25%25.61.337.02.028.52.429.82.630.52.325.62.228.90.8
26-50%20.31.215.81.520.22.114.62.011.41.611.71.616.80.7
51-75%14.81.07.81.15.61.22.91.03.90.94.11.08.80.5
76-100%11.60.93.40.83.51.01.00.61.20.51.70.75.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%5.30.64.30.812.71.76.91.413.71.710.61.57.80.5
1-4%10.10.915.01.515.71.823.42.323.42.122.42.016.10.6
5-9%12.61.016.61.514.01.721.62.315.81.823.72.016.10.6
10-25%25.61.336.92.028.42.329.42.530.92.225.92.129.00.8
26-50%20.11.215.51.520.12.014.71.911.31.511.71.516.60.6
51-75%14.81.08.11.15.51.23.00.93.80.93.80.98.70.5
76-100%11.50.93.60.83.60.90.90.51.20.51.80.65.70.4
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 #162262/148641

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 1%....1.7440.41000.4100..2.438
1-4%0.41001.1580.7711.7441.1583.2338.121
5-9%1.4501.1581.4502.4370.41003.2339.819
10-25%1.1582.2412.4382.1411.8453.53113.016
26-50%..0.41001.7441.4500.41001.4505.226
51-75%0.7711.1580.31000.3100....2.538
76-100%..0.7710.3100....0.41001.450
total3.6326.5238.6198.2203.93011.71742.59
outside perimeterless than 1%22.9129.02015.5147.62120.11216.31491.46
1-4%43.3930.31020.71225.11133.7931.210184.34
5-9%53.3833.51017.71322.31123.21133.39183.44
10-25%110.2575.0636.4931.6944.2836.39333.73
26-50%87.3632.11025.81115.51416.51416.614193.74
51-75%63.7715.9157.2223.1335.6255.924101.36
76-100%49.786.9234.5271.0581.8452.53866.37
total430.41202.72127.83106.23145.02142.131154.11
totalless than 1%22.9129.02017.3137.92020.41216.31493.86
1-4%43.7931.41021.41226.81034.8934.49192.44
5-9%54.7834.6919.11324.71123.61136.59193.24
10-25%111.3577.2638.8833.7945.9839.98346.73
26-50%87.3632.51027.51116.91316.81418.013198.94
51-75%64.4717.0147.5223.4315.6255.924103.86
76-100%49.787.6224.8261.0581.8452.83567.87
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162263/148642

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration %± %± %±
Western Juraless than 1%..3.60.93.50.9
1-4%12.411.710.61.510.61.5
5-9%49.817.717.41.818.01.8
10-25%25.415.526.32.126.32.1
26-50%..18.61.918.21.9
51-75%12.411.713.91.713.81.7
76-100%..9.61.49.51.4
total100.0.100.0.100.0.
Eastern Juraless than 1%..8.32.58.22.5
1-4%..8.32.58.22.5
5-9%..7.42.47.42.4
10-25%100.0.25.54.026.14.0
26-50%..21.53.721.33.7
51-75%..14.13.214.03.1
76-100%..14.93.214.83.2
total100.0.100.0.100.0.
Western Plateauless than 1%..3.41.73.41.7
1-4%..15.13.315.13.3
5-9%..16.13.416.13.4
10-25%..32.74.332.74.3
26-50%..18.53.618.53.6
51-75%..6.82.36.82.3
76-100%..7.52.47.52.4
total..100.0.100.0.
Central Plateauless than 1%..8.61.98.51.9
1-4%..10.42.010.32.0
5-9%..8.71.98.61.9
10-25%..21.72.821.62.8
26-50%..23.12.823.02.8
51-75%100.0.16.22.516.62.5
76-100%..11.42.111.32.1
total100.0.100.0.100.0.
Eastern Plateauless than 1%..5.01.25.01.2
1-4%..7.91.57.91.5
5-9%..8.81.68.81.6
10-25%..24.62.424.62.4
26-50%..20.82.320.82.3
51-75%..18.32.218.32.2
76-100%..14.52.014.52.0
total..100.0.100.0.
Western Pre-Alpsless than 1%..6.62.36.52.2
1-4%..16.43.416.33.3
5-9%..10.62.810.52.8
10-25%100.0.38.44.439.04.4
26-50%..16.43.416.33.3
51-75%..9.82.79.72.7
76-100%..1.61.21.61.1
total100.0.100.0.100.0.
Central Pre-Alpsless than 1%..2.20.92.10.9
1-4%..13.72.113.52.0
5-9%25.021.718.12.318.22.3
10-25%..37.92.937.42.9
26-50%25.021.715.52.215.72.2
51-75%50.025.08.31.78.91.7
76-100%..4.31.24.31.2
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 1%..15.92.515.62.5
1-4%..17.32.617.12.6
5-9%..12.52.312.32.3
10-25%33.327.326.03.026.13.0
26-50%33.327.319.22.719.42.7
51-75%..4.81.54.71.5
76-100%33.327.34.31.44.71.5
total100.0.100.0.100.0.
Northwestern Alpsless than 1%..6.72.06.21.8
1-4%23.111.715.92.916.52.8
5-9%15.410.018.43.018.22.9
10-25%38.513.534.43.734.73.6
26-50%..15.92.914.82.7
51-75%7.77.45.51.85.71.8
76-100%15.410.03.11.44.01.5
total100.0.100.0.100.0.
Central Alpsless than 1%25.012.61.41.44.72.3
1-4%8.38.015.14.214.23.8
5-9%16.710.816.74.416.74.1
10-25%25.012.630.55.429.75.0
26-50%25.012.629.35.428.75.0
51-75%..7.03.06.02.6
76-100%......
total100.0.100.0.100.0.
Northeastern Alpsless than 1%20.012.712.83.613.53.5
1-4%10.09.515.13.914.63.6
5-9%20.012.715.13.915.73.7
10-25%30.014.532.65.132.34.8
26-50%10.09.513.93.713.53.5
51-75%10.09.55.82.56.22.5
76-100%..4.62.34.22.0
total100.0.100.0.100.0.
Southwestern Alpsless than 1%4.44.37.11.56.91.4
1-4%20.88.323.62.423.42.3
5-9%29.19.321.02.321.62.3
10-25%24.98.829.82.629.42.5
26-50%16.67.614.62.014.71.9
51-75%4.24.12.91.03.00.9
76-100%..1.00.60.90.5
total100.0.100.0.100.0.
Southeastern Alpsless than 1%9.18.713.81.713.71.7
1-4%27.213.423.32.123.42.1
5-9%9.18.716.01.815.81.8
10-25%45.615.030.52.330.92.2
26-50%9.18.711.41.611.31.5
51-75%..3.90.93.80.9
76-100%..1.20.51.20.5
total100.0.100.0.100.0.
Southern Alpsless than 1%..11.51.610.61.5
1-4%27.47.822.02.122.42.0
5-9%27.27.823.52.123.72.0
10-25%30.38.025.62.225.92.1
26-50%12.15.711.71.611.71.5
51-75%..4.11.03.80.9
76-100%3.03.01.70.71.80.6
total100.0.100.0.100.0.
Switzerlandless than 1%5.82.17.90.57.80.5
1-4%19.03.616.00.616.10.6
5-9%23.13.815.90.616.20.6
10-25%30.84.229.00.829.00.8
26-50%12.33.016.70.716.60.6
51-75%5.72.18.70.58.60.5
76-100%3.31.65.70.45.70.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162264/148643

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%..5.4265.426
1-4%0.410016.11416.514
5-9%1.45026.41127.910
10-25%0.77140.0840.78
26-50%..28.21028.210
51-75%0.410021.11221.412
76-100%..14.61514.615
total2.935151.82154.72
Eastern Juraless than 1%..4.0304.030
1-4%..4.0304.030
5-9%..3.6323.632
10-25%0.410012.21612.615
26-50%..10.31810.318
51-75%..6.7236.723
76-100%..7.1227.122
total0.410047.8248.22
Western Plateauless than 1%..1.6491.649
1-4%..7.4227.422
5-9%..7.8217.821
10-25%..16.01416.014
26-50%..9.0209.020
51-75%..3.3343.334
76-100%..3.6333.633
total..48.7348.73
Central Plateauless than 1%..5.9225.922
1-4%..7.1207.120
5-9%..6.0226.022
10-25%..14.91314.913
26-50%..15.91315.913
51-75%0.310011.21511.515
76-100%..7.8197.819
total0.310068.8269.12
Eastern Plateauless than 1%..5.7245.724
1-4%..8.9198.919
5-9%..10.01810.018
10-25%..27.91027.910
26-50%..23.61123.611
51-75%..20.71220.712
76-100%..16.41416.414
total..113.32113.32
Western Pre-Alpsless than 1%..3.0343.034
1-4%..7.4217.421
5-9%..4.8274.827
10-25%0.410017.31217.712
26-50%..7.4217.421
51-75%..4.4284.428
76-100%..0.7700.770
total0.410045.1445.54
Central Pre-Alpsless than 1%..2.2402.240
1-4%..13.61513.615
5-9%0.410017.91318.313
10-25%..37.7837.78
26-50%0.410015.41415.814
51-75%0.7718.2209.019
76-100%..4.3284.328
total1.45099.32100.82
Eastern Pre-Alpsless than 1%..11.81611.816
1-4%..12.91512.915
5-9%..9.3199.319
10-25%0.410019.31219.612
26-50%0.410014.31514.614
51-75%..3.6313.631
76-100%0.41003.2333.631
total1.15774.3375.33
Northwestern Alpsless than 1%..3.9293.929
1-4%1.1579.31810.417
5-9%0.77110.71711.416
10-25%1.84420.11221.811
26-50%..9.3189.318
51-75%0.41003.2333.631
76-100%0.7711.8442.537
total4.62758.3462.94
Central Alpsless than 1%1.0570.31001.449
1-4%0.31003.8294.127
5-9%0.7704.2284.926
10-25%1.0577.6198.618
26-50%1.0577.3208.419
51-75%..1.7441.744
76-100%......
total4.12725.0829.17
Northeastern Alpsless than 1%0.7703.9294.726
1-4%0.41004.7265.025
5-9%0.7704.7275.425
10-25%1.15710.01711.116
26-50%0.41004.3274.726
51-75%0.41001.8442.140
76-100%..1.4491.449
total3.63030.8634.45
Southwestern Alpsless than 1%0.41007.6217.920
1-4%1.74425.11126.810
5-9%2.43722.31124.711
10-25%2.14131.6933.79
26-50%1.45015.51416.913
51-75%0.31003.1333.431
76-100%..1.0581.058
total8.220106.23114.43
Southeastern Alpsless than 1%0.410020.11220.412
1-4%1.15833.7934.89
5-9%0.410023.21123.611
10-25%1.84544.2845.98
26-50%0.410016.51416.814
51-75%..5.6255.625
76-100%..1.8451.845
total3.930145.02148.92
Southern Alpsless than 1%..16.31416.314
1-4%3.23331.21034.49
5-9%3.23333.3936.59
10-25%3.53136.3939.98
26-50%1.45016.61418.013
51-75%..5.9245.924
76-100%0.41002.5382.835
total11.717142.13153.82
Switzerlandless than 1%2.53891.7694.16
1-4%8.121185.14193.24
5-9%9.819184.24194.14
10-25%13.116335.03348.13
26-50%5.226193.64198.84
51-75%2.438100.56103.06
76-100%1.45066.4767.87
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162265/148644

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%77.813.9100.0.92.94.0100.0.90.09.5100.0.95.02.0
1-50%..............
over 50%22.213.9..7.14.0..10.09.5..5.02.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0%90.51.381.31.493.90.896.01.296.11.197.30.891.40.5
1-50%5.00.910.11.12.20.5..0.30.31.50.64.00.3
over 50%4.50.98.51.03.90.64.01.23.61.01.20.54.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0%90.31.381.41.493.90.896.31.196.01.197.50.791.50.5
1-50%5.00.910.11.12.10.4..0.30.31.40.53.80.3
over 50%4.80.98.51.04.00.63.71.13.71.01.10.54.70.4
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 #162266/148645
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