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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 NFI3/NFI4 combined
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..50.035.412.55.212.76.912.511.715.16.213.03.1
101-200 stems/ha11.110.5..7.54.24.24.125.015.312.25.79.62.7
201-300 stems/ha11.310.6..15.05.624.98.812.511.712.15.715.43.3
301-400 stems/ha22.213.9..10.04.716.67.6..9.15.011.22.9
401-500 stems/ha....17.56.08.35.612.511.76.14.210.32.8
501-600 stems/ha22.213.950.035.410.04.78.35.6..12.15.711.22.9
more than 600 stems/ha33.315.7..27.57.124.98.837.517.133.38.229.34.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha8.31.210.21.110.41.015.32.213.01.913.61.711.10.6
101-200 stems/ha14.81.516.31.411.81.114.22.214.92.013.11.714.00.6
201-300 stems/ha14.91.518.21.416.21.216.52.319.02.212.11.716.30.7
301-400 stems/ha17.81.717.61.415.61.210.01.911.91.814.41.815.40.6
401-500 stems/ha12.91.512.71.212.51.114.52.213.41.911.91.612.80.6
501-600 stems/ha11.01.49.21.110.11.06.51.58.81.69.31.59.50.5
more than 600 stems/ha20.41.815.71.423.41.423.02.619.02.225.72.220.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha8.21.210.31.110.51.015.12.113.01.913.71.711.10.5
101-200 stems/ha14.71.516.21.411.61.013.42.015.12.013.01.613.80.6
201-300 stems/ha14.91.518.21.416.21.217.22.218.92.212.11.616.20.6
301-400 stems/ha17.81.717.61.415.31.210.51.811.61.814.01.715.30.6
401-500 stems/ha12.61.412.71.212.71.114.02.113.41.911.41.512.70.6
501-600 stems/ha11.21.49.41.110.11.06.71.58.51.59.51.49.60.5
more than 600 stems/ha20.61.715.71.323.61.423.22.519.52.226.32.121.20.7
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 #164951/151333

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 NFI3/NFI4 combined
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..1.1580.31000.7711.4503.930
201-300 stems/ha0.4100..2.1412.1410.41001.4506.323
301-400 stems/ha0.771..1.4501.450..1.1584.628
401-500 stems/ha....2.5380.7710.41000.7714.229
501-600 stems/ha0.7710.41001.4500.771..1.4504.628
more than 600 stems/ha1.158..3.9302.1411.1583.93012.017
total3.2330.77114.2168.2202.83511.81741.09
outside perimeter0-100 stems/ha15.91526.21134.51013.71514.71518.813123.75
101-200 stems/ha28.11141.7939.0912.71616.91418.113156.54
201-300 stems/ha28.41046.7853.7814.71421.51216.714181.74
301-400 stems/ha33.9945.3851.488.91913.41519.913172.84
401-500 stems/ha24.51132.51041.2913.01515.21416.414142.85
501-600 stems/ha20.91223.71233.5105.8249.91812.816106.66
more than 600 stems/ha38.9940.3977.3620.51221.51235.69234.24
total190.61256.41330.7189.43113.13138.231118.41
total0-100 stems/ha15.91526.51136.31014.71415.11420.513129.15
101-200 stems/ha28.51141.7940.1913.01517.61319.613160.54
201-300 stems/ha28.81046.7855.8716.81321.91218.113188.14
301-400 stems/ha34.6945.3852.9810.31813.41521.012177.34
401-500 stems/ha24.51132.51043.7913.71515.51417.114147.05
501-600 stems/ha21.61224.11234.9106.5229.91814.315111.25
more than 600 stems/ha40.0940.3981.2622.61122.61139.58246.23
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164952/151334

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
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..8.05.58.05.5
101-200 stems/ha..4.04.04.04.0
201-300 stems/ha..12.06.612.06.6
301-400 stems/ha..16.07.516.07.5
401-500 stems/ha..12.06.612.06.6
501-600 stems/ha..20.08.120.08.1
more than 600 stems/ha..28.09.128.09.1
total..100.0.100.0.
BE0-100 stems/ha11.77.810.41.410.51.4
101-200 stems/ha11.77.814.51.614.41.6
201-300 stems/ha18.09.415.51.715.61.6
301-400 stems/ha11.77.817.61.717.41.7
401-500 stems/ha5.95.712.41.512.11.5
501-600 stems/ha17.69.211.31.511.51.4
more than 600 stems/ha23.410.318.41.818.61.7
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..11.43.011.43.0
101-200 stems/ha..14.93.314.93.3
201-300 stems/ha..12.33.112.33.1
301-400 stems/ha..14.93.314.93.3
401-500 stems/ha..11.43.011.43.0
501-600 stems/ha..9.72.89.72.8
more than 600 stems/ha..25.44.125.44.1
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/ha28.617.213.25.515.65.5
101-200 stems/ha..10.65.08.94.3
201-300 stems/ha28.617.213.25.515.65.5
301-400 stems/ha14.313.315.65.915.45.4
401-500 stems/ha14.313.37.94.48.94.3
501-600 stems/ha..18.56.415.65.5
more than 600 stems/ha14.313.321.16.720.06.0
total100.0.100.0.100.0.
GR0-100 stems/ha15.88.411.81.511.91.5
101-200 stems/ha21.29.415.21.715.51.6
201-300 stems/ha15.88.417.41.817.41.7
301-400 stems/ha5.35.115.31.714.91.6
401-500 stems/ha5.35.113.51.613.21.5
501-600 stems/ha5.35.19.51.49.31.3
more than 600 stems/ha31.510.717.21.817.81.7
total100.0.100.0.100.0.
JU0-100 stems/ha..9.53.29.23.1
101-200 stems/ha33.327.411.93.612.73.6
201-300 stems/ha..13.13.712.73.6
301-400 stems/ha33.327.417.94.218.44.2
401-500 stems/ha..16.74.116.14.0
501-600 stems/ha..10.73.410.43.3
more than 600 stems/ha33.327.420.14.420.64.4
total100.0.100.0.100.0.
LU0-100 stems/ha..4.71.94.71.9
101-200 stems/ha..9.42.69.42.6
201-300 stems/ha..21.23.621.23.6
301-400 stems/ha..17.43.417.43.4
401-500 stems/ha..12.52.912.52.9
501-600 stems/ha..7.12.37.12.3
more than 600 stems/ha..27.74.027.74.0
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/ha50.035.712.14.713.64.8
101-200 stems/ha..10.24.49.84.2
201-300 stems/ha..12.34.711.84.6
301-400 stems/ha..14.35.113.74.9
401-500 stems/ha50.035.710.24.411.84.6
501-600 stems/ha..6.13.55.93.3
more than 600 stems/ha..34.86.933.46.7
total100.0.100.0.100.0.
SG0-100 stems/ha..8.22.38.02.2
101-200 stems/ha..9.62.49.32.4
201-300 stems/ha25.021.721.23.421.33.4
301-400 stems/ha25.021.713.02.813.32.8
401-500 stems/ha..15.83.015.33.0
501-600 stems/ha25.021.78.92.49.32.4
more than 600 stems/ha25.021.723.33.523.33.5
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..11.03.510.73.4
101-200 stems/ha..15.94.115.54.0
201-300 stems/ha..19.54.419.04.3
301-400 stems/ha..11.03.510.73.4
401-500 stems/ha..11.03.510.73.4
501-600 stems/ha50.035.512.23.613.13.7
more than 600 stems/ha50.035.519.54.420.24.4
total100.0.100.0.100.0.
SZ0-100 stems/ha..10.73.610.33.5
101-200 stems/ha33.327.48.03.19.03.3
201-300 stems/ha..22.74.921.84.7
301-400 stems/ha33.327.418.64.519.24.5
401-500 stems/ha..13.33.912.83.8
501-600 stems/ha33.327.48.03.19.03.3
more than 600 stems/ha..18.74.518.04.4
total100.0.100.0.100.0.
TG0-100 stems/ha..8.43.38.43.3
101-200 stems/ha..12.64.012.64.0
201-300 stems/ha..21.44.921.44.9
301-400 stems/ha..7.03.07.03.0
401-500 stems/ha..16.84.516.84.5
501-600 stems/ha..14.04.114.04.1
more than 600 stems/ha..19.64.719.64.7
total..100.0.100.0.
TI0-100 stems/ha13.67.314.32.014.31.9
101-200 stems/ha9.16.112.71.912.51.8
201-300 stems/ha9.16.111.41.811.21.7
301-400 stems/ha9.16.113.31.913.01.9
401-500 stems/ha9.16.111.41.811.31.7
501-600 stems/ha13.67.38.81.69.11.6
more than 600 stems/ha36.410.328.02.628.62.5
total100.0.100.0.100.0.
UR0-100 stems/ha11.110.513.85.213.34.7
101-200 stems/ha..13.25.011.04.3
201-300 stems/ha11.110.58.84.29.23.9
301-400 stems/ha..4.43.13.72.6
401-500 stems/ha22.213.913.25.014.74.8
501-600 stems/ha11.110.511.34.811.34.4
more than 600 stems/ha44.416.735.47.236.96.6
total100.0.100.0.100.0.
VD0-100 stems/ha..9.71.89.61.8
101-200 stems/ha..18.42.418.32.4
201-300 stems/ha..13.92.213.82.1
301-400 stems/ha..15.52.315.42.2
401-500 stems/ha100.0.11.62.012.32.0
501-600 stems/ha..8.91.88.81.8
more than 600 stems/ha..22.12.621.92.6
total100.0.100.0.100.0.
VS0-100 stems/ha12.76.915.02.114.82.0
101-200 stems/ha4.24.114.02.013.21.9
201-300 stems/ha24.98.816.02.116.72.1
301-400 stems/ha16.67.69.51.710.11.7
401-500 stems/ha8.35.615.32.114.82.0
501-600 stems/ha8.35.66.11.46.31.4
more than 600 stems/ha24.98.824.22.524.22.4
total100.0.100.0.100.0.
ZG0-100 stems/ha..14.39.714.39.7
101-200 stems/ha..7.17.17.17.1
201-300 stems/ha..21.411.321.411.3
301-400 stems/ha..14.39.714.39.7
401-500 stems/ha..28.612.528.612.5
501-600 stems/ha......
more than 600 stems/ha..14.39.714.39.7
total..100.0.100.0.
ZH0-100 stems/ha..10.32.510.32.5
101-200 stems/ha..17.23.117.23.1
201-300 stems/ha..19.33.319.33.3
301-400 stems/ha..21.43.421.43.4
401-500 stems/ha..12.42.712.42.7
501-600 stems/ha..9.72.59.72.5
more than 600 stems/ha..9.72.59.72.5
total..100.0.100.0.
Switzerland0-100 stems/ha13.03.111.10.611.20.6
101-200 stems/ha9.52.714.10.613.90.6
201-300 stems/ha15.43.416.20.716.20.6
301-400 stems/ha11.32.915.50.615.30.6
401-500 stems/ha10.42.912.70.612.60.6
501-600 stems/ha11.12.99.50.59.60.5
more than 600 stems/ha29.34.220.90.721.20.7
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #164953/151335

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 NFI3/NFI4 combined
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..1.0551.055
501-600 stems/ha..1.6411.641
more than 600 stems/ha..2.2332.233
total..8.058.05
BE0-100 stems/ha0.77117.11417.813
101-200 stems/ha0.77123.71124.311
201-300 stems/ha1.05825.31126.411
301-400 stems/ha0.77128.81029.410
401-500 stems/ha0.310020.21220.612
501-600 stems/ha1.05818.51319.513
more than 600 stems/ha1.45030.11031.510
total5.824163.72169.52
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..4.8274.827
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..10.81610.816
total..42.6342.63
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..1.5491.549
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/ha0.41003.1333.531
total2.73614.61017.37
GR0-100 stems/ha1.05819.11320.112
101-200 stems/ha1.45024.71126.111
201-300 stems/ha1.05828.21029.310
301-400 stems/ha0.310024.81125.111
401-500 stems/ha0.310021.91222.312
501-600 stems/ha0.310015.41515.714
more than 600 stems/ha2.14127.91030.010
total6.623162.02168.62
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..5.5255.525
501-600 stems/ha..3.5323.532
more than 600 stems/ha0.41006.6227.021
total1.25732.7333.93
LU0-100 stems/ha..1.9401.940
101-200 stems/ha..3.8283.828
201-300 stems/ha..8.5178.517
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..40.0340.03
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..2.2392.239
301-400 stems/ha..2.6362.636
401-500 stems/ha0.41001.9432.239
501-600 stems/ha..1.1571.157
more than 600 stems/ha..6.4206.420
total0.77018.3519.04
SG0-100 stems/ha..4.3284.328
101-200 stems/ha..5.1265.126
201-300 stems/ha0.410011.21711.616
301-400 stems/ha0.41006.9227.221
401-500 stems/ha..8.3208.320
501-600 stems/ha0.41004.7275.126
more than 600 stems/ha0.410012.31612.715
total1.45052.8454.24
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..3.4323.432
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
total0.87031.0431.83
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/ha..5.1255.125
total1.15727.2528.35
TG0-100 stems/ha..1.8391.839
101-200 stems/ha..2.7312.731
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..21.3321.33
TI0-100 stems/ha1.15815.71416.814
101-200 stems/ha0.77114.01514.715
201-300 stems/ha0.77112.51613.216
301-400 stems/ha0.77114.61515.414
401-500 stems/ha0.77112.51613.316
501-600 stems/ha1.1589.71910.718
more than 600 stems/ha2.93530.81033.69
total7.921109.83117.72
UR0-100 stems/ha0.31002.1402.437
101-200 stems/ha..2.0392.039
201-300 stems/ha0.31001.3491.744
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
total3.03115.01118.09
VD0-100 stems/ha..9.5199.519
101-200 stems/ha..18.11318.113
201-300 stems/ha..13.71613.716
301-400 stems/ha..15.21515.215
401-500 stems/ha0.87111.41712.117
501-600 stems/ha..8.7208.720
more than 600 stems/ha..21.61221.612
total0.87198.1298.92
VS0-100 stems/ha1.05815.11416.114
101-200 stems/ha0.310014.11514.415
201-300 stems/ha2.14116.11418.213
301-400 stems/ha1.4509.61811.017
401-500 stems/ha0.77115.41416.114
501-600 stems/ha0.7716.2236.922
more than 600 stems/ha2.14124.41126.410
total8.220100.93109.13
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..0.9680.968
total..6.066.06
ZH0-100 stems/ha..5.3255.325
101-200 stems/ha..8.8188.818
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..51.1251.12
Switzerland0-100 stems/ha5.326124.65130.05
101-200 stems/ha3.930158.04161.94
201-300 stems/ha6.323181.74188.04
301-400 stems/ha4.628173.44178.04
401-500 stems/ha4.329142.65146.95
501-600 stems/ha4.628106.56111.15
more than 600 stems/ha12.017234.34246.33
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #164954/151336

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 NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha..100.0.12.511.713.74.212.55.812.93.1
101-200 stems/ha11.110.5..12.511.77.63.312.65.99.52.7
201-300 stems/ha11.010.4..25.015.316.74.612.55.815.53.4
301-400 stems/ha22.213.9....12.14.09.45.211.22.9
401-500 stems/ha....12.511.713.64.26.24.310.32.8
501-600 stems/ha22.213.9..12.511.79.13.512.55.811.32.9
more than 600 stems/ha33.415.7..25.015.327.25.534.38.429.34.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha7.61.111.21.29.11.213.01.113.91.811.00.6
101-200 stems/ha14.41.517.41.510.21.214.31.112.91.714.00.6
201-300 stems/ha14.61.519.41.515.71.517.11.211.81.716.20.7
301-400 stems/ha19.41.715.51.417.31.612.51.014.51.815.50.6
401-500 stems/ha13.11.512.11.312.71.413.31.112.11.712.80.6
501-600 stems/ha11.51.49.11.110.31.38.30.99.51.59.50.5
more than 600 stems/ha19.41.715.41.424.71.821.51.325.32.221.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha7.51.111.31.29.21.213.01.013.81.711.10.5
101-200 stems/ha14.41.517.31.510.21.213.91.112.91.713.80.6
201-300 stems/ha14.51.519.31.515.91.517.11.211.91.616.20.6
301-400 stems/ha19.51.715.51.417.01.512.41.014.11.715.30.6
401-500 stems/ha12.91.412.11.312.71.413.31.011.71.612.70.6
501-600 stems/ha11.61.49.11.110.41.28.30.89.71.59.60.5
more than 600 stems/ha19.61.715.31.424.71.821.91.326.02.221.20.7
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 #164955/151337

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 NFI3/NFI4 combined
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..0.41001.7451.4503.930
201-300 stems/ha0.4100..0.7713.8301.4506.323
301-400 stems/ha0.771....2.8351.1584.628
401-500 stems/ha....0.41003.1330.7714.229
501-600 stems/ha0.771..0.41002.1411.4504.628
more than 600 stems/ha1.158..0.7716.2233.93011.917
total3.3330.41002.93522.81211.41740.79
outside perimeter0-100 stems/ha15.01525.71119.51344.6818.713123.35
101-200 stems/ha28.51139.7921.61249.3817.414156.54
201-300 stems/ha28.81044.3833.51058.9715.914181.54
301-400 stems/ha38.3935.5936.8942.9919.413172.94
401-500 stems/ha25.91127.81127.01145.7816.314142.75
501-600 stems/ha22.61220.81322.01228.41112.816106.66
more than 600 stems/ha38.3935.1952.6774.1634.09234.14
total197.51228.81213.02343.92134.431117.61
total0-100 stems/ha15.01526.01119.81347.7820.113128.65
101-200 stems/ha28.81139.7922.01251.1818.813160.44
201-300 stems/ha29.21044.3834.21062.7717.314187.84
301-400 stems/ha39.1935.5936.8945.6820.512177.44
401-500 stems/ha25.91127.81127.41148.8817.014146.95
501-600 stems/ha23.41220.81322.31230.51014.215111.15
more than 600 stems/ha39.4935.1953.3780.3637.99246.13
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164956/151338

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 NFI3/NFI4 combined
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/ha10.09.511.17.413.07.012.76.922.213.912.55.813.03.1
101-200 stems/ha10.09.511.17.44.34.34.24.122.213.912.65.99.62.7
201-300 stems/ha10.19.611.17.417.47.924.98.811.110.512.55.815.43.3
301-400 stems/ha20.012.65.65.413.07.016.67.6..9.45.211.12.9
401-500 stems/ha..22.29.813.07.08.35.611.110.56.24.310.42.8
501-600 stems/ha20.012.611.17.413.07.08.35.6..12.55.811.22.9
more than 600 stems/ha30.014.527.810.626.19.224.98.833.315.734.38.429.34.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha9.60.99.91.311.11.715.02.111.71.613.91.811.10.6
101-200 stems/ha16.01.112.61.48.91.514.02.015.51.812.91.714.00.6
201-300 stems/ha17.21.115.51.617.22.016.02.118.11.911.81.716.30.7
301-400 stems/ha17.31.117.01.613.61.89.51.714.61.814.51.815.50.6
401-500 stems/ha12.61.011.01.314.21.915.32.113.21.712.11.712.70.6
501-600 stems/ha10.20.99.51.310.91.76.11.49.01.49.51.59.50.5
more than 600 stems/ha17.21.124.51.824.12.324.22.517.91.925.32.220.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha9.60.89.91.311.21.714.82.012.01.613.81.711.10.5
101-200 stems/ha16.01.112.61.48.61.513.21.915.71.812.91.713.90.6
201-300 stems/ha17.11.115.41.517.22.016.72.118.01.911.91.616.20.6
301-400 stems/ha17.31.116.61.613.61.810.11.714.21.714.11.715.30.6
401-500 stems/ha12.51.011.31.314.11.814.82.013.21.711.71.612.70.6
501-600 stems/ha10.20.99.61.211.01.66.31.48.81.49.71.59.60.5
more than 600 stems/ha17.31.124.61.824.22.224.22.418.21.926.02.221.20.7
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 #164957/151339

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 NFI3/NFI4 combined
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/ha0.41000.7710.31000.31000.7711.4503.930
201-300 stems/ha0.41000.7711.4502.1410.41001.4506.323
301-400 stems/ha0.7710.41001.0581.450..1.1584.528
401-500 stems/ha..1.4501.0580.7710.41000.7714.229
501-600 stems/ha0.7710.7711.0580.771..1.4504.628
more than 600 stems/ha1.1581.8452.1412.1411.1583.93012.017
total3.6326.5237.9208.2203.23311.41740.89
outside perimeter0-100 stems/ha40.8919.51313.51615.11416.11418.713123.65
101-200 stems/ha68.3724.91110.81714.11521.31217.414156.94
201-300 stems/ha73.3630.71020.91216.11424.91115.914181.84
301-400 stems/ha73.7633.51016.6149.61820.01219.413172.94
401-500 stems/ha53.7821.61217.31315.41418.21316.314142.55
501-600 stems/ha43.3918.81313.3166.22312.31612.816106.66
more than 600 stems/ha73.3648.3829.41024.41124.61134.09233.94
total426.41197.32121.73100.93137.52134.431118.11
total0-100 stems/ha41.1920.21314.51516.11416.81420.113128.95
101-200 stems/ha68.7725.61111.21714.41522.01218.813160.84
201-300 stems/ha73.7631.41022.31218.21325.31117.314188.14
301-400 stems/ha74.4633.91017.61311.01720.01220.512177.44
401-500 stems/ha53.7823.11218.31316.11418.61317.014146.75
501-600 stems/ha44.0919.51314.3156.92212.31614.215111.15
more than 600 stems/ha74.4650.1831.4926.41025.61137.99245.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164958/151340

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 NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified) %± %± %±
Western Jura0-100 stems/ha..7.61.37.51.3
101-200 stems/ha12.411.714.11.714.01.7
201-300 stems/ha12.912.013.61.713.51.7
301-400 stems/ha24.915.318.11.918.21.9
401-500 stems/ha..14.01.713.81.7
501-600 stems/ha24.915.312.91.613.11.6
more than 600 stems/ha24.915.319.81.919.81.9
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..13.53.213.53.2
101-200 stems/ha..17.83.517.83.5
201-300 stems/ha..13.63.213.63.2
301-400 stems/ha..12.83.112.83.1
401-500 stems/ha..12.83.112.83.1
501-600 stems/ha..8.32.58.32.5
more than 600 stems/ha..21.33.821.33.8
total..100.0.100.0.
Central Plateau0-100 stems/ha100.0.10.42.110.82.1
101-200 stems/ha..16.82.516.72.5
201-300 stems/ha..22.22.822.12.8
301-400 stems/ha..14.52.414.42.4
401-500 stems/ha..11.82.211.72.2
501-600 stems/ha..8.31.98.21.9
more than 600 stems/ha..16.12.516.02.5
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..10.91.810.91.8
101-200 stems/ha..17.62.217.62.2
201-300 stems/ha..19.52.219.52.2
301-400 stems/ha..17.32.117.32.1
401-500 stems/ha..12.11.812.11.8
501-600 stems/ha..9.91.79.91.7
more than 600 stems/ha..12.81.912.81.9
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha..12.53.012.43.0
101-200 stems/ha..15.83.315.73.3
201-300 stems/ha100.0.10.02.710.72.8
301-400 stems/ha..14.23.214.13.2
401-500 stems/ha..8.42.58.32.5
501-600 stems/ha..10.82.810.72.8
more than 600 stems/ha..28.34.128.14.1
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha25.021.77.11.67.41.6
101-200 stems/ha..10.11.89.91.8
201-300 stems/ha25.021.716.42.316.52.3
301-400 stems/ha..20.92.520.62.5
401-500 stems/ha25.021.711.62.011.82.0
501-600 stems/ha..9.31.89.21.8
more than 600 stems/ha25.021.724.62.624.62.6
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..9.82.19.72.1
101-200 stems/ha33.327.36.91.87.31.8
201-300 stems/ha..18.22.718.02.7
301-400 stems/ha..14.32.514.12.4
401-500 stems/ha..16.72.616.52.6
501-600 stems/ha33.327.311.32.211.72.2
more than 600 stems/ha33.327.322.72.922.82.9
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha7.77.412.62.612.22.5
101-200 stems/ha15.410.014.52.814.62.7
201-300 stems/ha..18.23.116.92.9
301-400 stems/ha7.77.412.62.612.22.5
401-500 stems/ha23.111.712.02.612.82.6
501-600 stems/ha15.410.08.82.29.32.2
more than 600 stems/ha30.812.821.43.322.13.2
total100.0.100.0.100.0.
Central Alps0-100 stems/ha9.18.715.24.414.34.0
101-200 stems/ha..11.94.010.23.4
201-300 stems/ha9.18.712.04.011.63.6
301-400 stems/ha9.18.710.43.710.23.4
401-500 stems/ha18.211.711.94.012.73.8
501-600 stems/ha18.211.77.53.39.03.3
more than 600 stems/ha36.414.631.25.732.05.3
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha22.213.910.03.411.33.4
101-200 stems/ha..11.23.510.13.2
201-300 stems/ha33.315.818.74.420.24.3
301-400 stems/ha22.213.915.04.015.73.9
401-500 stems/ha11.110.510.03.410.13.2
501-600 stems/ha..12.53.711.23.4
more than 600 stems/ha11.110.522.54.721.44.4
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha12.76.915.02.114.82.0
101-200 stems/ha4.24.114.02.013.21.9
201-300 stems/ha24.98.816.02.116.72.1
301-400 stems/ha16.67.69.51.710.11.7
401-500 stems/ha8.35.615.32.114.82.0
501-600 stems/ha8.35.66.11.46.31.4
more than 600 stems/ha24.98.824.22.524.22.4
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha22.213.911.71.612.01.6
101-200 stems/ha22.213.915.51.815.71.8
201-300 stems/ha11.110.518.11.918.01.9
301-400 stems/ha..14.61.814.21.7
401-500 stems/ha11.110.513.21.713.21.7
501-600 stems/ha..9.01.48.81.4
more than 600 stems/ha33.315.717.91.918.21.9
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha12.55.813.91.813.81.7
101-200 stems/ha12.65.912.91.712.91.7
201-300 stems/ha12.55.811.81.711.91.6
301-400 stems/ha9.45.214.51.814.11.7
401-500 stems/ha6.24.312.11.711.71.6
501-600 stems/ha12.55.89.51.59.71.5
more than 600 stems/ha34.38.425.32.226.02.2
total100.0.100.0.100.0.
Switzerland0-100 stems/ha12.93.111.00.611.10.5
101-200 stems/ha9.62.714.00.613.90.6
201-300 stems/ha15.53.416.20.716.20.6
301-400 stems/ha11.22.915.50.615.30.6
401-500 stems/ha10.32.812.80.612.70.6
501-600 stems/ha11.22.99.50.59.60.5
more than 600 stems/ha29.44.221.00.721.30.7
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164959/151341

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 NFI3/NFI4 combined
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..11.51711.517
101-200 stems/ha0.410021.11221.512
201-300 stems/ha0.410020.31220.712
301-400 stems/ha0.77127.11027.810
401-500 stems/ha..21.11221.112
501-600 stems/ha0.77119.31320.013
more than 600 stems/ha0.77129.61030.310
total2.935150.02152.82
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..6.2246.224
501-600 stems/ha..4.0314.031
more than 600 stems/ha..10.31810.318
total..48.4348.43
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..9.9169.916
401-500 stems/ha..8.1198.119
501-600 stems/ha..5.6235.623
more than 600 stems/ha..11.01611.016
total0.310068.4268.72
Eastern Plateau0-100 stems/ha..12.21612.216
101-200 stems/ha..19.71219.712
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..111.92111.92
Western Pre-Alps0-100 stems/ha..5.5255.525
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..12.61512.615
total0.410044.4444.84
Central Pre-Alps0-100 stems/ha0.41006.8227.222
101-200 stems/ha..9.7189.718
201-300 stems/ha0.410015.81416.114
301-400 stems/ha..20.11220.112
401-500 stems/ha0.410011.11711.517
501-600 stems/ha..9.0199.019
more than 600 stems/ha0.410023.71124.011
total1.45096.1297.52
Eastern Pre-Alps0-100 stems/ha..7.1227.122
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..12.11612.116
501-600 stems/ha0.41008.2208.619
more than 600 stems/ha0.410016.41316.813
total1.15772.5373.63
Northwestern Alps0-100 stems/ha0.41007.1217.521
101-200 stems/ha0.7718.2209.019
201-300 stems/ha..10.41710.417
301-400 stems/ha0.41007.1217.521
401-500 stems/ha1.1576.8227.920
501-600 stems/ha0.7715.0265.724
more than 600 stems/ha1.45012.11613.615
total4.62756.8461.54
Central Alps0-100 stems/ha0.31003.5313.929
101-200 stems/ha..2.7342.734
201-300 stems/ha0.31002.8343.132
301-400 stems/ha0.31002.4372.734
401-500 stems/ha0.7702.7343.430
501-600 stems/ha0.7701.7442.437
more than 600 stems/ha1.4497.2208.618
total3.82923.2827.07
Northeastern Alps0-100 stems/ha0.7702.9353.631
101-200 stems/ha..3.2323.232
201-300 stems/ha1.1575.4246.422
301-400 stems/ha0.7704.3285.025
401-500 stems/ha0.41002.9343.232
501-600 stems/ha..3.6303.630
more than 600 stems/ha0.41006.4226.821
total3.23228.7731.96
Southwestern Alps0-100 stems/ha1.05815.11416.114
101-200 stems/ha0.310014.11514.415
201-300 stems/ha2.14116.11418.213
301-400 stems/ha1.4509.61811.017
401-500 stems/ha0.77115.41416.114
501-600 stems/ha0.7716.2236.922
more than 600 stems/ha2.14124.41126.410
total8.220100.93109.13
Southeastern Alps0-100 stems/ha0.77116.11416.814
101-200 stems/ha0.77121.31222.012
201-300 stems/ha0.410024.91125.311
301-400 stems/ha..20.01220.012
401-500 stems/ha0.410018.21318.613
501-600 stems/ha..12.31612.316
more than 600 stems/ha1.15824.61125.611
total3.233137.52140.62
Southern Alps0-100 stems/ha1.45018.71320.113
101-200 stems/ha1.45017.41418.813
201-300 stems/ha1.45015.91417.314
301-400 stems/ha1.15819.41320.512
401-500 stems/ha0.77116.31417.014
501-600 stems/ha1.45012.81614.215
more than 600 stems/ha3.93034.0937.99
total11.417134.43145.72
Switzerland0-100 stems/ha5.326123.75129.05
101-200 stems/ha3.930157.14161.04
201-300 stems/ha6.323181.54187.84
301-400 stems/ha4.628173.64178.24
401-500 stems/ha4.229143.05147.25
501-600 stems/ha4.628106.76111.35
more than 600 stems/ha12.017235.24247.23
total40.991120.811161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164960/151342

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
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..3.03.02.61.5
crowded44.416.6..32.57.429.19.3..36.38.431.04.3
normal33.315.750.035.432.57.44.24.137.517.127.47.826.04.1
loose....10.04.716.67.612.511.73.03.08.52.6
open11.110.5..7.54.216.67.612.511.76.14.29.42.7
scattered....5.03.412.56.712.511.79.15.07.72.5
grouped crowded....5.03.44.24.1..6.14.24.31.9
grouped normal11.310.6..5.03.4..12.511.76.14.25.22.1
heterogeneous....2.52.512.56.712.511.73.03.05.12.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.70.32.20.52.71.03.11.01.30.61.60.2
crowded29.92.030.31.725.61.419.52.57.51.533.22.426.00.8
normal32.12.039.91.822.21.414.92.210.31.717.21.925.50.8
loose10.21.312.41.28.30.98.51.79.41.65.71.29.40.5
open13.81.511.21.214.91.218.42.423.72.412.61.714.80.6
scattered4.90.93.00.68.20.915.72.317.12.112.61.78.50.5
grouped crowded0.80.40.30.27.30.93.81.28.91.67.61.34.50.4
grouped normal1.50.50.60.36.50.83.41.115.62.07.21.35.00.4
heterogeneous6.21.11.70.55.00.713.02.14.41.12.60.84.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.10.52.81.03.01.01.40.61.60.2
crowded30.12.030.31.725.91.420.32.47.31.433.52.326.20.8
normal32.12.039.91.822.61.314.02.110.91.718.01.925.60.7
loose10.01.312.41.28.30.99.21.79.51.65.51.19.30.5
open13.81.511.11.214.61.118.22.323.42.312.11.614.60.6
scattered4.80.93.00.68.00.915.42.117.02.112.31.68.50.5
grouped crowded0.70.40.30.27.20.83.91.18.71.57.51.34.50.4
grouped normal1.70.60.60.36.40.83.21.015.52.07.11.35.00.4
heterogeneous6.11.01.70.54.90.713.02.04.61.22.60.84.70.4
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 #164961/151343

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
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
normal1.1580.41004.6280.31001.1583.23310.718
loose....1.4501.4500.41000.41003.532
open0.4100..1.1581.4500.41000.7713.930
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....0.41001.0580.41000.41002.141
total3.2330.77114.2168.2202.83511.81741.09
outside perimetern/a1.1581.8457.2222.4373.5311.84517.714
crowded56.9777.8684.6617.4138.52046.08291.23
normal61.26102.2573.4613.31511.61723.811285.63
loose19.51331.81027.3117.62110.6187.821104.66
open26.31128.71149.4816.41326.81017.514165.04
scattered9.4197.82127.01114.01519.41317.41495.06
grouped crowded1.4500.77124.0123.43110.11810.51850.28
grouped normal2.9351.45021.4133.13317.6139.91856.48
heterogeneous11.9174.22916.41411.6165.0263.63152.78
total190.61256.41330.7189.43113.13138.231118.41
totaln/a1.1582.1417.2222.8353.5312.14118.814
crowded58.4777.8689.2619.8128.52050.27303.93
normal62.36102.6578.0613.71512.71627.011296.23
loose19.51331.81028.7118.91911.0178.220108.15
open26.71128.71150.4817.81327.11018.213168.94
scattered9.4197.82127.71115.01419.71218.51398.26
grouped crowded1.4500.77124.7123.83010.11811.21752.08
grouped normal3.3331.45022.1123.13318.01310.61858.58
heterogeneous11.9174.22916.71412.7165.3253.93054.88
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164962/151344

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure %± %± %±
AGn/a..0.80.80.80.8
crowded..31.14.231.14.2
normal..44.34.544.34.5
loose..13.13.113.13.1
open..9.02.69.02.6
scattered..0.80.80.80.8
grouped crowded......
grouped normal......
heterogeneous..0.80.80.80.8
total..100.0.100.0.
AIn/a..6.26.16.26.1
crowded..49.312.749.312.7
normal..12.38.412.38.4
loose..12.38.412.38.4
open..6.26.16.26.1
scattered......
grouped crowded..13.78.913.78.9
grouped normal......
heterogeneous......
total..100.0.100.0.
ARn/a......
crowded..44.010.144.010.1
normal..40.09.940.09.9
loose......
open..4.04.04.04.0
scattered..8.05.58.05.5
grouped crowded......
grouped normal..4.04.04.04.0
heterogeneous......
total..100.0.100.0.
BEn/a5.95.71.90.62.00.6
crowded29.311.025.12.025.32.0
normal29.311.028.42.128.42.0
loose5.95.78.21.38.11.2
open..16.31.715.81.6
scattered..4.61.04.40.9
grouped crowded11.77.83.10.83.40.8
grouped normal12.18.04.61.04.91.0
heterogeneous5.95.77.71.27.71.2
total100.0.100.0.100.0.
BL/BSn/a......
crowded100.0.31.76.633.16.6
normal..48.27.147.27.0
loose..14.15.013.84.9
open..4.02.83.92.8
scattered..2.02.02.02.0
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
FRn/a..2.61.52.61.5
crowded..33.44.433.44.4
normal..21.93.921.93.9
loose..11.43.011.43.0
open..8.72.78.72.7
scattered..10.52.910.52.9
grouped crowded..7.92.57.92.5
grouped normal..2.61.52.61.5
heterogeneous..0.90.90.90.9
total..100.0.100.0.
GEn/a..14.814.614.814.6
crowded..40.919.640.919.6
normal..14.814.614.814.6
loose......
open..14.814.614.814.6
scattered..14.814.614.814.6
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
GLn/a......
crowded57.118.826.47.231.27.0
normal14.313.313.25.513.45.1
loose..5.33.74.53.1
open14.313.323.56.922.16.2
scattered..10.65.08.94.3
grouped crowded..15.86.013.45.1
grouped normal14.313.35.33.76.73.8
heterogeneous......
total100.0.100.0.100.0.
GRn/a5.35.13.00.83.10.8
crowded10.57.012.11.512.01.5
normal31.710.712.71.513.41.6
loose10.57.010.31.410.41.4
open10.57.020.61.920.21.8
scattered10.57.016.31.716.11.7
grouped crowded5.35.18.51.38.41.2
grouped normal5.35.112.51.512.21.5
heterogeneous10.57.03.90.94.10.9
total100.0.100.0.100.0.
JUn/a......
crowded66.727.335.65.336.75.2
normal33.327.431.05.131.15.0
loose..13.13.712.73.6
open..9.53.29.23.1
scattered..3.62.03.52.0
grouped crowded......
grouped normal..1.21.21.21.2
heterogeneous..6.02.65.82.5
total100.0.100.0.100.0.
LUn/a..0.80.80.80.8
crowded..30.14.130.14.1
normal..34.54.234.54.2
loose..7.12.37.12.3
open..18.83.518.83.5
scattered..2.41.32.41.3
grouped crowded..0.80.80.80.8
grouped normal..1.61.11.61.1
heterogeneous..4.11.84.11.8
total..100.0.100.0.
NEn/a......
crowded..15.03.915.03.9
normal..23.94.623.94.6
loose..12.53.512.53.5
open..17.34.117.34.1
scattered..3.72.13.72.1
grouped crowded..1.11.11.11.1
grouped normal..7.12.87.12.8
heterogeneous..19.34.219.34.2
total..100.0.100.0.
NWn/a......
crowded100.0.26.310.330.010.5
normal..26.310.325.09.9
loose......
open..21.19.520.09.1
scattered..21.19.520.09.1
grouped crowded......
grouped normal......
heterogeneous..5.35.25.05.0
total100.0.100.0.100.0.
OWn/a..3.92.73.82.6
crowded50.035.722.56.023.66.0
normal..30.76.729.56.4
loose..2.02.02.02.0
open50.035.716.45.317.75.4
scattered..12.34.711.84.6
grouped crowded..4.12.93.92.7
grouped normal..2.02.02.02.0
heterogeneous..6.13.55.93.3
total100.0.100.0.100.0.
SGn/a..1.30.91.30.9
crowded..29.53.828.73.7
normal50.025.131.53.832.03.8
loose25.021.77.52.28.02.2
open..10.32.510.02.5
scattered25.021.76.22.06.72.0
grouped crowded..4.81.84.71.7
grouped normal..8.22.38.02.2
heterogeneous..0.70.70.70.7
total100.0.100.0.100.0.
SHn/a......
crowded..41.78.341.78.3
normal..44.48.344.48.3
loose..8.34.78.34.7
open..2.82.82.82.8
scattered..2.82.82.82.8
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
SOn/a......
crowded50.035.524.44.825.04.7
normal..41.55.540.55.4
loose..12.23.611.93.6
open50.035.515.94.116.74.1
scattered..6.12.76.02.6
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
SZn/a..4.02.33.82.2
crowded..26.75.125.65.0
normal100.0.21.34.724.34.9
loose..10.73.610.33.5
open..12.03.811.53.6
scattered..9.43.49.03.3
grouped crowded..4.02.33.82.2
grouped normal..8.03.17.73.0
heterogeneous..4.02.33.82.2
total100.0.100.0.100.0.
TGn/a......
crowded..27.05.327.05.3
normal..35.15.735.15.7
loose..21.04.921.04.9
open..9.83.59.83.5
scattered..5.62.75.62.7
grouped crowded......
grouped normal..1.41.41.41.4
heterogeneous......
total..100.0.100.0.
TIn/a..0.70.50.60.4
crowded45.510.635.62.736.22.7
normal27.39.516.92.117.62.1
loose..5.21.34.91.2
open4.54.413.11.912.51.8
scattered9.16.110.41.710.31.7
grouped crowded4.54.47.81.57.61.5
grouped normal9.16.17.81.57.91.5
heterogeneous..2.60.92.40.9
total100.0.100.0.100.0.
URn/a......
crowded11.110.531.06.927.76.1
normal44.416.711.04.716.55.1
loose22.213.96.93.99.44.0
open11.110.58.84.29.23.9
scattered11.110.56.63.77.33.6
grouped crowded..17.65.714.74.8
grouped normal..11.64.99.74.1
heterogeneous..6.63.75.53.1
total100.0.100.0.100.0.
VDn/a..1.20.71.20.7
crowded50.035.430.22.930.32.9
normal50.035.431.72.931.82.9
loose..7.71.77.71.7
open..12.82.112.72.1
scattered..8.01.78.01.7
grouped crowded..3.81.23.81.2
grouped normal..1.50.81.50.8
heterogeneous..3.11.13.11.1
total100.0.100.0.100.0.
VSn/a4.44.32.40.92.50.9
crowded29.19.322.12.422.62.3
normal4.24.115.32.114.52.0
loose16.67.67.51.58.21.5
open16.67.618.42.318.22.2
scattered12.56.715.32.115.12.0
grouped crowded4.24.14.11.24.11.1
grouped normal..3.11.02.80.9
heterogeneous12.56.711.91.912.01.8
total100.0.100.0.100.0.
ZGn/a..7.17.17.17.1
crowded..7.17.17.17.1
normal..28.612.528.612.5
loose..28.612.528.612.5
open..7.17.17.17.1
scattered..7.17.17.17.1
grouped crowded..7.17.17.17.1
grouped normal......
heterogeneous..7.17.17.17.1
total..100.0.100.0.
ZHn/a......
crowded..26.93.726.93.7
normal..36.64.036.64.0
loose..16.53.116.53.1
open..14.52.914.52.9
scattered..2.11.22.11.2
grouped crowded..0.70.70.70.7
grouped normal..1.41.01.41.0
heterogeneous..1.41.01.41.0
total..100.0.100.0.
Switzerlandn/a2.61.51.60.21.60.2
crowded31.64.326.10.826.30.8
normal25.84.125.70.825.70.8
loose8.42.59.40.59.30.5
open9.52.714.70.614.50.6
scattered7.62.58.50.58.50.5
grouped crowded4.21.94.50.44.50.4
grouped normal5.32.15.00.45.00.4
heterogeneous5.02.04.60.44.60.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164963/151345

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.41000.4100
crowded..15.31415.314
normal..21.71021.710
loose..6.4236.423
open..4.4294.429
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total..49.1249.12
AIn/a..0.31000.3100
crowded..2.6272.627
normal..0.6690.669
loose..0.6690.669
open..0.31000.3100
scattered......
grouped crowded..0.7710.771
grouped normal......
heterogeneous......
total..5.2125.212
ARn/a......
crowded..3.5233.523
normal..3.2253.225
loose......
open..0.31000.3100
scattered..0.6690.669
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total..8.058.05
BEn/a0.31003.1333.431
crowded1.74541.1842.88
normal1.74546.5748.27
loose0.310013.41513.715
open..26.71126.711
scattered..7.5217.521
grouped crowded0.7715.2265.824
grouped normal0.7717.5218.320
heterogeneous0.310012.71613.016
total5.824163.72169.52
BL/BSn/a......
crowded0.41006.4226.921
normal..9.8159.815
loose..2.9362.936
open..0.8700.870
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total0.410020.3520.75
FRn/a..1.1571.157
crowded..14.21314.213
normal..9.3189.318
loose..4.9264.926
open..3.7313.731
scattered..4.5274.527
grouped crowded..3.3323.332
grouped normal..1.1571.157
heterogeneous..0.41000.4100
total..42.6342.63
GEn/a..0.51000.5100
crowded..1.3541.354
normal..0.51000.5100
loose......
open..0.51000.5100
scattered..0.51000.5100
grouped crowded......
grouped normal......
heterogeneous......
total..3.1203.120
GLn/a......
crowded1.5493.9295.423
normal0.41001.9432.339
loose..0.8700.870
open0.41003.4313.829
scattered..1.5491.549
grouped crowded..2.3392.339
grouped normal0.41000.8701.257
heterogeneous......
total2.73614.61017.37
GRn/a0.31004.9265.225
crowded0.77119.61320.313
normal2.14120.51222.712
loose0.77116.81417.513
open0.77133.4934.19
scattered0.77126.51127.211
grouped crowded0.310013.81514.115
grouped normal0.310020.21220.612
heterogeneous0.7716.3237.022
total6.623162.02168.62
JUn/a......
crowded0.87011.71512.415
normal0.410010.11710.516
loose..4.3284.328
open..3.1343.134
scattered..1.2571.257
grouped crowded......
grouped normal..0.41000.4100
heterogeneous..1.9441.944
total1.25732.7333.93
LUn/a..0.31000.3100
crowded..12.01412.014
normal..13.81213.812
loose..2.8322.832
open..7.5197.519
scattered..0.9570.957
grouped crowded..0.31000.3100
grouped normal..0.6700.670
heterogeneous..1.6441.644
total..40.0340.03
NEn/a......
crowded..4.2264.226
normal..6.7196.719
loose..3.5283.528
open..4.9244.924
scattered..1.0581.058
grouped crowded..0.31000.3100
grouped normal..2.0402.040
heterogeneous..5.4225.422
total..28.2428.24
NWn/a......
crowded0.41001.9402.336
normal..1.9401.940
loose......
open..1.5461.546
scattered..1.5461.546
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total0.41007.3107.78
OWn/a..0.7710.771
crowded0.41004.1274.526
normal..5.6225.622
loose..0.41000.4100
open0.41003.0333.431
scattered..2.2392.239
grouped crowded..0.7700.770
grouped normal..0.41000.4100
heterogeneous..1.1571.157
total0.77018.3519.04
SGn/a..0.7710.771
crowded..15.51315.513
normal0.77016.61317.412
loose0.41004.0294.328
open..5.4255.425
scattered0.41003.3333.631
grouped crowded..2.5372.537
grouped normal..4.3284.328
heterogeneous..0.41000.4100
total1.45052.8454.24
SHn/a......
crowded..5.3205.320
normal..5.7195.719
loose..1.1561.156
open..0.41000.4100
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total..12.8312.83
SOn/a......
crowded0.41007.6207.919
normal..12.91412.914
loose..3.8303.830
open0.41004.9265.325
scattered..1.9441.944
grouped crowded......
grouped normal......
heterogeneous......
total0.87031.0431.83
SZn/a..1.1571.157
crowded..7.2207.220
normal1.1575.8236.920
loose..2.9342.934
open..3.3323.332
scattered..2.5372.537
grouped crowded..1.1571.157
grouped normal..2.2402.240
heterogeneous..1.1571.157
total1.15727.2528.35
TGn/a......
crowded..5.8205.820
normal..7.5167.516
loose..4.5234.523
open..2.1362.136
scattered..1.2491.249
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total..21.3321.33
TIn/a..0.7710.771
crowded3.63139.1842.68
normal2.14118.51320.712
loose..5.7245.724
open0.410014.41514.715
scattered0.77111.41712.116
grouped crowded0.41008.5208.919
grouped normal0.7718.6209.319
heterogeneous..2.9352.935
total7.921109.83117.72
URn/a......
crowded0.31004.7255.024
normal1.3491.7433.031
loose0.7701.0581.744
open0.31001.3491.743
scattered0.31001.0571.349
grouped crowded..2.6342.634
grouped normal..1.7441.744
heterogeneous..1.0571.057
total3.03115.01118.09
VDn/a..1.1581.158
crowded0.410029.61030.010
normal0.410031.1931.59
loose..7.6227.622
open..12.51612.516
scattered..7.9217.921
grouped crowded..3.8313.831
grouped normal..1.5501.550
heterogeneous..3.0353.035
total0.87198.1298.92
VSn/a0.41002.4382.835
crowded2.43722.31124.711
normal0.310015.41415.814
loose1.4507.6219.019
open1.45018.51319.912
scattered1.05815.41416.514
grouped crowded0.31004.1284.527
grouped normal..3.1333.133
heterogeneous1.05812.01613.015
total8.220100.93109.13
ZGn/a..0.41000.4100
crowded..0.41000.4100
normal..1.7441.744
loose..1.7441.744
open..0.41000.4100
scattered..0.41000.4100
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..6.066.06
ZHn/a......
crowded..13.71413.714
normal..18.71118.711
loose..8.5198.519
open..7.4207.420
scattered..1.1571.157
grouped crowded..0.41000.4100
grouped normal..0.7700.770
heterogeneous..0.7700.770
total..51.1251.12
Switzerlandn/a1.15817.81418.814
crowded13.017293.13306.13
normal10.618287.93298.53
loose3.432105.06108.55
open3.930164.34168.24
scattered3.13395.3698.56
grouped crowded1.74550.1851.98
grouped normal2.24155.7857.98
heterogeneous2.14151.8853.88
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164964/151346

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %±
inside perimetern/a..100.0...3.12.2..2.61.5
crowded44.516.6..25.015.327.25.537.58.631.14.3
normal33.415.7..37.517.122.75.228.28.026.04.1
loose....12.511.712.14.03.13.18.52.6
open11.110.5..12.511.710.63.86.24.39.52.7
scattered......9.13.59.45.27.72.5
grouped crowded......4.52.66.24.34.31.9
grouped normal11.010.4....4.52.66.24.35.22.1
heterogeneous....12.511.76.12.93.13.15.22.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.80.32.20.62.40.51.30.61.60.2
crowded29.62.029.81.825.51.819.21.333.02.426.10.8
normal34.22.038.61.926.11.815.11.117.11.925.60.8
loose10.41.313.11.37.61.18.80.95.81.29.30.5
open13.11.512.31.314.71.518.01.212.91.714.70.6
scattered4.20.93.40.77.31.113.51.112.41.78.50.5
grouped crowded0.60.30.30.25.10.97.90.97.61.44.50.4
grouped normal1.50.50.60.35.71.08.60.97.41.35.00.4
heterogeneous5.91.01.20.45.81.06.50.82.60.84.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.30.90.42.20.62.50.51.20.51.60.2
crowded29.82.029.81.825.51.819.71.233.32.326.20.8
normal34.22.038.51.926.21.815.61.118.01.925.60.7
loose10.21.313.01.37.71.19.00.95.61.19.30.5
open13.11.412.31.314.71.417.61.212.41.614.60.6
scattered4.20.93.40.77.21.113.21.012.11.68.40.5
grouped crowded0.50.30.30.25.00.97.70.87.51.34.50.4
grouped normal1.60.50.60.35.70.98.30.97.31.35.00.4
heterogeneous5.81.01.20.45.81.06.50.82.70.84.70.4
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 #164965/151347

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
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..0.4100..0.771..1.158
crowded1.550..0.7716.2234.32912.717
normal1.158..1.1585.2263.23310.618
loose....0.41002.8350.41003.532
open0.4100..0.41002.4380.7713.930
scattered......2.1411.1583.133
grouped crowded......1.0580.7711.745
grouped normal0.4100....1.0580.7712.141
heterogeneous....0.41001.4500.41002.141
total3.3330.41002.93522.81211.41740.79
outside perimetern/a1.1581.8454.7288.3201.84517.614
crowded58.4768.2654.4765.9744.38291.23
normal67.5688.2555.5751.9823.012286.13
loose20.41329.91016.21430.2107.821104.56
open25.91128.11131.41062.0717.414164.74
scattered8.4217.72115.51546.5816.61494.76
grouped crowded1.1580.77110.81827.11110.21849.98
grouped normal2.9351.45012.21729.5119.91856.08
heterogeneous11.7172.83512.31722.5123.53152.88
total197.51228.81213.02343.92134.431117.61
totaln/a1.1582.1414.7289.0191.84518.714
crowded59.9768.2655.1772.1648.57303.83
normal68.6688.2556.6757.1726.211296.73
loose20.41329.91016.61432.9108.120107.95
open26.31128.11131.71064.4718.113168.64
scattered8.4217.72115.51548.5817.71397.86
grouped crowded1.1580.77110.81828.21110.91751.68
grouped normal3.3331.45012.21730.61010.61858.18
heterogeneous11.7172.83512.61623.9123.93054.98
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164966/151348

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a10.09.5....4.44.311.110.5..2.61.5
crowded39.915.544.411.721.78.629.19.3..37.58.631.14.3
normal30.014.522.29.843.510.34.24.133.315.728.28.025.94.1
loose..5.65.413.07.016.67.611.110.53.13.18.52.6
open10.09.55.65.48.75.916.67.611.110.56.24.39.42.7
scattered....8.75.912.56.711.110.59.45.27.72.5
grouped crowded..11.17.4..4.24.1..6.24.34.31.9
grouped normal10.19.65.65.44.34.3..11.110.56.24.35.22.1
heterogeneous..5.65.4..12.56.711.110.53.13.15.12.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.70.22.20.62.00.82.40.92.80.81.30.61.60.2
crowded29.71.324.11.829.52.422.12.410.31.533.02.426.00.8
normal36.61.422.91.824.92.315.32.111.71.617.11.925.60.8
loose11.80.97.51.17.71.47.51.510.71.65.81.29.40.5
open12.71.015.91.610.91.718.42.322.22.112.91.714.80.6
scattered3.80.68.21.27.51.415.32.115.61.812.41.78.50.5
grouped crowded0.40.26.21.07.91.54.11.28.81.47.61.44.50.4
grouped normal1.00.35.51.07.61.43.11.013.81.77.41.35.00.4
heterogeneous3.40.57.51.12.00.711.91.94.11.02.60.84.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.70.22.10.61.90.72.50.93.00.91.20.51.60.2
crowded29.81.324.81.829.02.322.62.310.01.533.32.326.20.8
normal36.51.422.81.826.12.314.52.012.21.618.01.925.60.7
loose11.70.97.41.18.01.48.21.510.81.65.61.19.30.5
open12.61.015.61.510.81.618.22.221.92.112.41.614.60.6
scattered3.70.58.01.17.61.415.12.015.51.812.11.68.50.5
grouped crowded0.40.26.41.07.41.44.11.18.61.47.51.34.50.4
grouped normal1.10.35.51.07.41.42.80.913.71.77.31.35.00.4
heterogeneous3.30.57.41.11.90.712.01.84.31.02.70.84.70.4
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 #164967/151349

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
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/a0.4100....0.41000.4100..1.158
crowded1.4502.9351.7442.437..4.32912.717
normal1.1581.4503.4310.31001.1583.23310.618
loose..0.41001.0581.4500.41000.41003.532
open0.41000.41000.7711.4500.41000.7713.830
scattered....0.7711.0580.41001.1583.133
grouped crowded..0.771..0.3100..0.7711.845
grouped normal0.41000.41000.3100..0.41000.7712.141
heterogeneous..0.4100..1.0580.41000.41002.141
total3.6326.5237.9208.2203.23311.41740.89
outside perimetern/a2.9354.3292.4382.4383.9301.84517.714
crowded126.6547.6835.9922.31114.11544.38290.83
normal155.9445.1830.3915.41416.11423.012285.83
loose50.4814.8159.3197.62114.8157.821104.76
open54.0831.41013.31618.51330.51017.414165.14
scattered16.11516.2149.11915.41421.41216.61494.96
grouped crowded1.84512.3179.6194.12812.11610.21850.18
grouped normal4.32910.8189.2193.13319.0139.91856.38
heterogeneous14.31614.8152.43812.0165.6253.53152.78
total426.41197.32121.73100.93137.52134.431118.11
totaln/a3.2334.3292.4382.8354.2281.84518.714
crowded128.1550.5837.6824.71114.11548.57303.53
normal157.0446.5833.8915.81417.21426.211296.43
loose50.4815.11510.4189.01915.1158.120108.25
open54.4831.71014.01519.91230.91018.113168.94
scattered16.11516.2149.81816.51421.71217.71398.06
grouped crowded1.84513.0169.6194.52712.11610.91751.98
grouped normal4.72811.2189.6193.13319.31310.61858.48
heterogeneous14.31615.1152.43813.0156.0243.93054.88
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164968/151350

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..0.70.40.70.4
crowded37.317.127.82.228.02.2
normal37.317.130.22.230.32.2
loose..9.81.49.61.4
open12.411.716.21.816.11.8
scattered..5.01.14.91.1
grouped crowded..0.70.40.70.4
grouped normal12.912.01.90.72.10.7
heterogeneous..7.61.37.51.3
total100.0.100.0.100.0.
Eastern Juran/a......
crowded100.0.35.54.436.04.4
normal..48.04.547.64.5
loose..12.43.012.33.0
open..2.51.42.51.4
scattered..1.71.21.61.2
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
Western Plateaun/a..3.41.73.41.7
crowded..39.14.539.14.5
normal..36.24.436.24.4
loose..8.52.68.52.6
open..7.72.57.72.5
scattered..3.41.73.41.7
grouped crowded..0.90.90.90.9
grouped normal......
heterogeneous..0.90.90.90.9
total..100.0.100.0.
Central Plateaun/a100.0...0.50.5
crowded..28.73.128.63.1
normal..40.33.340.23.3
loose..10.42.110.42.1
open..14.12.414.12.3
scattered..4.51.44.51.4
grouped crowded......
grouped normal..0.50.50.50.5
heterogeneous..1.40.81.40.8
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
crowded..27.22.527.22.5
normal..38.02.738.02.7
loose..16.62.116.62.1
open..12.81.912.81.9
scattered..2.60.92.60.9
grouped crowded..0.30.30.30.3
grouped normal..1.00.61.00.6
heterogeneous..1.30.61.30.6
total..100.0.100.0.
Western Pre-Alpsn/a..3.31.63.31.6
crowded..24.13.923.93.9
normal..21.73.821.53.7
loose..8.42.58.32.5
open..9.92.79.92.7
scattered..13.43.113.33.1
grouped crowded..11.72.911.62.9
grouped normal..5.82.25.82.1
heterogeneous100.0.1.71.22.51.4
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.50.71.50.7
crowded50.025.021.62.522.12.5
normal..25.02.624.62.6
loose25.021.76.71.57.01.5
open25.021.721.32.521.32.5
scattered..6.01.55.91.4
grouped crowded..3.01.02.91.0
grouped normal..4.11.24.01.2
heterogeneous..10.81.910.71.9
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.51.12.41.1
crowded..31.53.331.13.2
normal100.0.30.13.231.13.2
loose..8.41.98.31.9
open..8.92.08.72.0
scattered..5.41.65.31.6
grouped crowded..3.91.43.91.3
grouped normal..7.91.97.81.9
heterogeneous..1.50.81.50.8
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.51.22.31.2
crowded46.213.928.33.629.73.5
normal30.812.820.13.220.93.1
loose..8.22.27.52.0
open..11.32.510.52.3
scattered..8.22.27.62.0
grouped crowded15.410.07.62.18.12.1
grouped normal7.77.47.62.17.62.0
heterogeneous..6.31.95.81.8
total100.0.100.0.100.0.
Central Alpsn/a......
crowded9.18.728.35.525.65.0
normal54.515.116.34.521.74.7
loose18.211.77.53.39.03.3
open9.18.710.43.710.23.4
scattered9.18.79.13.69.13.3
grouped crowded..13.34.211.53.6
grouped normal..9.13.67.93.1
heterogeneous..5.92.95.12.5
total100.0.100.0.100.0.
Northeastern Alpsn/a..2.51.72.31.6
crowded44.416.626.24.928.14.8
normal11.110.520.04.519.14.2
loose11.110.56.22.76.72.7
open11.110.516.34.115.73.9
scattered11.110.511.23.511.23.4
grouped crowded..12.53.711.23.4
grouped normal11.110.55.02.45.62.5
heterogeneous......
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.32.40.92.50.9
crowded29.19.322.12.422.62.3
normal4.24.115.32.114.52.0
loose16.67.67.51.58.21.5
open16.67.618.42.318.22.2
scattered12.56.715.32.115.12.0
grouped crowded4.24.14.11.24.11.1
grouped normal..3.11.02.80.9
heterogeneous12.56.711.91.912.01.8
total100.0.100.0.100.0.
Southeastern Alpsn/a11.110.52.80.83.00.9
crowded..10.31.510.01.5
normal33.315.711.71.612.21.6
loose11.110.510.71.610.81.6
open11.110.522.22.121.92.1
scattered11.110.515.61.815.51.8
grouped crowded..8.81.48.61.4
grouped normal11.110.513.81.713.71.7
heterogeneous11.110.54.11.04.31.0
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.61.20.5
crowded37.58.633.02.433.32.3
normal28.28.017.11.918.01.9
loose3.13.15.81.25.61.1
open6.24.312.91.712.41.6
scattered9.45.212.41.712.11.6
grouped crowded6.24.37.61.47.51.3
grouped normal6.24.37.41.37.31.3
heterogeneous3.13.12.60.82.70.8
total100.0.100.0.100.0.
Switzerlandn/a2.51.41.60.21.60.2
crowded31.24.326.10.826.30.8
normal25.94.125.60.825.60.7
loose8.52.69.40.59.30.5
open9.42.714.70.614.50.6
scattered7.72.58.50.58.40.5
grouped crowded4.31.94.50.44.50.4
grouped normal5.32.15.00.45.00.4
heterogeneous5.22.04.70.44.70.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164969/151351

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
crowded1.15841.7842.88
normal1.15845.3846.47
loose..14.61514.615
open0.410024.31124.611
scattered..7.5217.521
grouped crowded..1.1581.158
grouped normal0.41002.9353.333
heterogeneous..11.41711.417
total2.935150.02152.82
Eastern Juran/a......
crowded0.410016.91317.312
normal..22.91022.910
loose..5.9245.924
open..1.2571.257
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total0.410047.8248.22
Western Plateaun/a..1.6491.649
crowded..18.91218.912
normal..17.51317.513
loose..4.1304.130
open..3.7323.732
scattered..1.6491.649
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..48.4348.43
Central Plateaun/a0.3100..0.3100
crowded..19.71119.711
normal..27.6827.68
loose..7.1207.120
open..9.7179.717
scattered..3.1313.131
grouped crowded......
grouped normal..0.31000.3100
heterogeneous..0.9570.957
total0.310068.4268.72
Eastern Plateaun/a..0.41000.4100
crowded..30.4930.49
normal..42.5742.57
loose..18.61318.613
open..14.31514.315
scattered..2.9352.935
grouped crowded..0.41000.4100
grouped normal..1.1581.158
heterogeneous..1.4501.450
total..111.92111.92
Western Pre-Alpsn/a..1.5491.549
crowded..10.71710.717
normal..9.6189.618
loose..3.7303.730
open..4.4284.428
scattered..5.9235.923
grouped crowded..5.2265.226
grouped normal..2.6372.637
heterogeneous0.41000.7701.157
total0.410044.4444.84
Central Pre-Alpsn/a..1.4501.450
crowded0.77120.81221.512
normal..24.01124.011
loose0.41006.5236.822
open0.410020.41220.812
scattered..5.7245.724
grouped crowded..2.9352.935
grouped normal..3.9303.930
heterogeneous..10.41810.418
total1.45096.1297.52
Eastern Pre-Alpsn/a..1.8441.844
crowded..22.91122.911
normal1.15721.81122.911
loose..6.1236.123
open..6.4236.423
scattered..3.9293.929
grouped crowded..2.9352.935
grouped normal..5.7245.724
heterogeneous..1.1571.157
total1.15772.5373.63
Northwestern Alpsn/a..1.4501.450
crowded2.14016.11318.212
normal1.45011.41612.915
loose..4.6274.627
open..6.4236.423
scattered..4.7274.727
grouped crowded0.7714.3285.026
grouped normal0.41004.3284.727
heterogeneous..3.6313.631
total4.62756.8461.54
Central Alpsn/a......
crowded0.31006.6216.920
normal2.1403.8295.822
loose0.7701.7442.437
open0.31002.4372.734
scattered0.31002.1402.537
grouped crowded..3.1323.132
grouped normal..2.1402.140
heterogeneous..1.4491.449
total3.82923.2827.07
Northeastern Alpsn/a..0.7710.771
crowded1.4497.5209.018
normal0.41005.7236.122
loose0.41001.8442.140
open0.41004.7265.025
scattered0.41003.2323.630
grouped crowded..3.6303.630
grouped normal0.41001.4491.844
heterogeneous......
total3.23228.7731.96
Southwestern Alpsn/a0.41002.4382.835
crowded2.43722.31124.711
normal0.310015.41415.814
loose1.4507.6219.019
open1.45018.51319.912
scattered1.05815.41416.514
grouped crowded0.31004.1284.527
grouped normal..3.1333.133
heterogeneous1.05812.01613.015
total8.220100.93109.13
Southeastern Alpsn/a0.41003.9304.228
crowded..14.11514.115
normal1.15816.11417.214
loose0.410014.81515.115
open0.410030.51030.910
scattered0.410021.41221.712
grouped crowded..12.11612.116
grouped normal0.410019.01319.313
heterogeneous0.41005.6256.024
total3.233137.52140.62
Southern Alpsn/a..1.8451.845
crowded4.32944.3848.57
normal3.23323.01226.211
loose0.41007.8218.120
open0.77117.41418.113
scattered1.15816.61417.713
grouped crowded0.77110.21810.917
grouped normal0.7719.91810.618
heterogeneous0.41003.5313.930
total11.417134.43145.72
Switzerlandn/a1.05818.01419.014
crowded12.817292.93305.63
normal10.618286.83297.43
loose3.532105.06108.45
open3.830164.44168.24
scattered3.13394.9698.16
grouped crowded1.84550.1851.98
grouped normal2.14156.3858.48
heterogeneous2.14152.5854.78
total40.991120.811161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164970/151352

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a..50.035.4..4.44.3..3.03.02.61.5
single-layered44.416.6..25.06.841.610.125.015.342.58.634.54.4
multi-layered44.416.650.035.462.57.733.29.637.517.148.48.749.24.6
stratified....12.55.220.88.337.517.16.14.212.83.1
clustered structure11.310.6..........0.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.70.32.20.52.71.03.11.01.30.61.60.2
single-layered30.42.033.01.736.91.641.43.136.92.736.42.435.20.8
multi-layered57.32.260.31.844.51.631.02.932.82.649.52.548.70.9
stratified11.31.46.10.915.01.224.52.722.92.311.81.613.50.6
clustered structure0.40.3..1.40.40.40.44.31.11.00.51.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.10.52.81.03.01.01.40.61.60.2
single-layered30.72.032.91.736.51.541.42.936.62.736.92.335.20.8
multi-layered57.02.160.31.845.31.631.22.732.92.649.42.448.70.9
stratified11.21.46.10.914.91.124.22.523.32.311.31.513.50.6
clustered structure0.60.3..1.30.40.40.44.21.11.00.51.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164971/151353

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
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..0.4100..0.41001.158
single-layered1.450..3.5313.4310.7715.02614.116
multi-layered1.4500.41008.9202.7351.1585.72520.213
stratified....1.8451.7441.1580.7715.326
clustered structure0.4100..........0.4100
total3.2330.77114.2168.2202.83511.81741.09
outside perimetern/a1.1581.8457.2222.4373.5311.84517.714
single-layered58.0784.55122.2537.0841.7850.37393.73
multi-layered109.14154.63147.2427.71037.0868.46544.22
stratified21.61215.61549.5821.91125.91116.314150.85
clustered structure0.771..4.6280.31004.9261.45012.017
total190.61256.41330.7189.43113.13138.231118.41
totaln/a1.1582.1417.2222.8353.5312.14118.814
single-layered59.5784.55125.7440.4842.4855.37407.82
multi-layered110.64154.93156.1430.5938.1874.15564.32
stratified21.61215.61551.3823.61127.01017.014156.14
clustered structure1.158..4.6280.31004.9261.45012.417
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164972/151354

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure %± %± %±
AGn/a..0.80.80.80.8
single-layered..31.14.231.14.2
multi-layered..62.34.462.34.4
stratified..5.72.15.72.1
clustered structure......
total..100.0.100.0.
AIn/a..6.26.16.26.1
single-layered..61.712.361.712.3
multi-layered..26.011.326.011.3
stratified..6.26.16.26.1
clustered structure......
total..100.0.100.0.
ARn/a......
single-layered..68.09.368.09.3
multi-layered..28.09.228.09.2
stratified..4.04.04.04.0
clustered structure......
total..100.0.100.0.
BEn/a5.95.71.90.62.00.6
single-layered23.410.336.92.236.42.2
multi-layered46.912.146.02.346.02.2
stratified17.69.214.51.614.61.6
clustered structure6.36.10.80.41.00.5
total100.0.100.0.100.0.
BL/BSn/a......
single-layered..24.16.123.66.0
multi-layered100.0.73.96.374.46.2
stratified..2.02.02.02.0
clustered structure......
total100.0.100.0.100.0.
FRn/a..2.61.52.61.5
single-layered..32.44.432.44.4
multi-layered..59.74.659.74.6
stratified..4.41.94.41.9
clustered structure..0.90.90.90.9
total..100.0.100.0.
GEn/a..14.814.614.814.6
single-layered..14.814.614.814.6
multi-layered..70.518.770.518.7
stratified......
clustered structure......
total..100.0.100.0.
GLn/a......
single-layered28.617.236.97.935.67.2
multi-layered71.417.239.68.044.57.5
stratified..20.96.617.65.7
clustered structure..2.62.62.22.2
total100.0.100.0.100.0.
GRn/a5.35.13.00.83.10.8
single-layered37.011.136.62.236.62.2
multi-layered36.811.136.22.236.22.2
stratified21.09.320.11.920.21.8
clustered structure..4.10.93.90.9
total100.0.100.0.100.0.
JUn/a......
single-layered66.727.328.64.929.94.9
multi-layered33.327.460.75.459.75.3
stratified..10.73.410.43.3
clustered structure......
total100.0.100.0.100.0.
LUn/a..0.80.80.80.8
single-layered..41.74.441.74.4
multi-layered..47.24.447.24.4
stratified..9.62.69.62.6
clustered structure..0.80.80.80.8
total..100.0.100.0.
NEn/a......
single-layered..17.94.217.94.2
multi-layered..50.35.450.35.4
stratified..30.74.930.74.9
clustered structure..1.11.11.11.1
total..100.0.100.0.
NWn/a......
single-layered..31.610.930.010.5
multi-layered100.0.47.411.750.011.4
stratified..15.88.515.08.2
clustered structure..5.35.25.05.0
total100.0.100.0.100.0.
OWn/a..3.92.73.82.6
single-layered..40.97.139.36.9
multi-layered50.035.732.76.833.46.7
stratified50.035.720.45.821.65.8
clustered structure..2.02.02.02.0
total100.0.100.0.100.0.
SGn/a..1.30.91.30.9
single-layered25.021.733.53.933.33.9
multi-layered75.021.755.54.156.04.1
stratified..9.62.49.32.4
clustered structure......
total100.0.100.0.100.0.
SHn/a......
single-layered..44.48.344.48.3
multi-layered..55.68.355.68.3
stratified......
clustered structure......
total..100.0.100.0.
SOn/a......
single-layered50.035.520.74.521.44.5
multi-layered50.035.574.44.873.84.8
stratified..4.92.44.82.3
clustered structure......
total100.0.100.0.100.0.
SZn/a..4.02.33.82.2
single-layered..40.05.738.45.5
multi-layered100.0.45.35.847.45.7
stratified..10.73.610.33.5
clustered structure......
total100.0.100.0.100.0.
TGn/a......
single-layered..25.35.225.35.2
multi-layered..69.15.569.15.5
stratified..5.62.75.62.7
clustered structure......
total..100.0.100.0.
TIn/a..0.70.50.60.4
single-layered40.910.536.02.736.42.7
multi-layered54.510.651.32.951.52.8
stratified4.54.411.41.810.91.7
clustered structure..0.70.50.60.4
total100.0.100.0.100.0.
URn/a......
single-layered44.416.726.66.629.66.3
multi-layered44.416.751.17.550.06.9
stratified11.110.522.36.220.45.5
clustered structure......
total100.0.100.0.100.0.
VDn/a..1.20.71.20.7
single-layered..37.43.037.13.0
multi-layered100.0.50.63.151.03.1
stratified..10.01.99.91.9
clustered structure..0.80.50.80.5
total100.0.100.0.100.0.
VSn/a4.44.32.40.92.50.9
single-layered41.610.143.22.943.12.8
multi-layered33.29.631.62.731.72.6
stratified20.88.322.52.422.32.3
clustered structure..0.30.30.30.3
total100.0.100.0.100.0.
ZGn/a..7.17.17.17.1
single-layered..28.612.528.612.5
multi-layered..50.013.850.013.8
stratified..14.39.714.39.7
clustered structure......
total..100.0.100.0.
ZHn/a......
single-layered..26.23.726.23.7
multi-layered..66.23.966.23.9
stratified..7.62.27.62.2
clustered structure......
total..100.0.100.0.
Switzerlandn/a2.61.51.60.21.60.2
single-layered34.34.435.10.835.10.8
multi-layered49.54.648.90.948.90.9
stratified12.73.113.30.613.30.6
clustered structure0.90.91.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164973/151355

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.41000.4100
single-layered..15.31415.314
multi-layered..30.6730.67
stratified..2.8372.837
clustered structure......
total..49.1249.12
AIn/a..0.31000.3100
single-layered..3.2213.221
multi-layered..1.4481.448
stratified..0.31000.3100
clustered structure......
total..5.2125.212
ARn/a......
single-layered..5.5145.514
multi-layered..2.2332.233
stratified..0.31000.3100
clustered structure......
total..8.058.05
BEn/a0.31003.1333.431
single-layered1.45060.3661.76
multi-layered2.73575.3578.05
stratified1.05823.71124.711
clustered structure0.41001.4501.745
total5.824163.72169.52
BL/BSn/a......
single-layered..4.9264.926
multi-layered0.410015.01015.410
stratified..0.41000.4100
clustered structure......
total0.410020.3520.75
FRn/a..1.1571.157
single-layered..13.81413.814
multi-layered..25.4825.48
stratified..1.9441.944
clustered structure..0.41000.4100
total..42.6342.63
GEn/a..0.51000.5100
single-layered..0.51000.5100
multi-layered..2.2342.234
stratified......
clustered structure......
total..3.1203.120
GLn/a......
single-layered0.8705.4236.221
multi-layered1.9435.8227.718
stratified..3.0343.034
clustered structure..0.41000.4100
total2.73614.61017.37
GRn/a0.31004.9265.225
single-layered2.53859.3661.86
multi-layered2.43858.6761.06
stratified1.45032.6934.09
clustered structure..6.6236.623
total6.623162.02168.62
JUn/a......
single-layered0.8709.41810.117
multi-layered0.410019.81020.29
stratified..3.5323.532
clustered structure......
total1.25732.7333.93
LUn/a..0.31000.3100
single-layered..16.71116.711
multi-layered..18.91018.910
stratified..3.8283.828
clustered structure..0.31000.3100
total..40.0340.03
NEn/a......
single-layered..5.0255.025
multi-layered..14.21114.211
stratified..8.6168.616
clustered structure..0.31000.3100
total..28.2428.24
NWn/a......
single-layered..2.3362.336
multi-layered0.41003.5263.824
stratified..1.2551.255
clustered structure..0.41000.4100
total0.41007.3107.78
OWn/a..0.7710.771
single-layered..7.5187.518
multi-layered0.41006.0216.420
stratified0.41003.7294.127
clustered structure..0.41000.4100
total0.77018.3519.04
SGn/a..0.7710.771
single-layered0.410017.71218.112
multi-layered1.15729.3830.48
stratified..5.1265.126
clustered structure......
total1.45052.8454.24
SHn/a......
single-layered..5.7195.719
multi-layered..7.1157.115
stratified......
clustered structure......
total..12.8312.83
SOn/a......
single-layered0.41006.4226.821
multi-layered0.410023.1823.57
stratified..1.5491.549
clustered structure......
total0.87031.0431.83
SZn/a..1.1571.157
single-layered..10.91510.915
multi-layered1.15712.31413.413
stratified..2.9342.934
clustered structure......
total1.15727.2528.35
TGn/a......
single-layered..5.4215.421
multi-layered..14.7914.79
stratified..1.2491.249
clustered structure......
total..21.3321.33
TIn/a..0.7710.771
single-layered3.23339.6842.88
multi-layered4.32856.3660.66
stratified0.410012.51612.816
clustered structure..0.7710.771
total7.921109.83117.72
URn/a......
single-layered1.3494.0275.323
multi-layered1.3497.7189.016
stratified0.31003.3303.729
clustered structure......
total3.03115.01118.09
VDn/a..1.1581.158
single-layered..36.7836.78
multi-layered0.87149.7750.46
stratified..9.8199.819
clustered structure..0.8710.871
total0.87198.1298.92
VSn/a0.41002.4382.835
single-layered3.43143.6747.07
multi-layered2.73531.9934.69
stratified1.74422.61124.411
clustered structure..0.31000.3100
total8.220100.93109.13
ZGn/a..0.41000.4100
single-layered..1.7441.744
multi-layered..3.0283.028
stratified..0.9680.968
clustered structure......
total..6.066.06
ZHn/a......
single-layered..13.41413.414
multi-layered..33.9633.96
stratified..3.9293.929
clustered structure......
total..51.1251.12
Switzerlandn/a1.15817.81418.814
single-layered14.116394.03408.12
multi-layered20.313547.72568.12
stratified5.226149.65154.84
clustered structure0.410011.91712.317
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164974/151356
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