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NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha11.110.5....9.93.824.28.013.13.3
101-200 stems/ha11.110.5..12.511.78.23.510.35.79.32.8
201-300 stems/ha......19.75.117.27.015.63.5
301-400 stems/ha11.110.5100.0.12.511.79.83.813.86.412.03.1
401-500 stems/ha22.113.8..25.015.38.23.513.86.412.13.2
501-600 stems/ha22.213.9....11.54.13.43.49.22.8
more than 600 stems/ha22.213.9..50.017.732.86.017.27.028.64.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha7.41.18.71.16.11.013.51.218.22.210.30.6
101-200 stems/ha9.91.38.71.19.51.215.61.215.62.111.80.6
201-300 stems/ha16.31.614.21.411.61.414.81.211.61.814.00.6
301-400 stems/ha14.61.517.91.515.21.512.51.110.41.714.40.7
401-500 stems/ha13.51.515.91.417.31.613.01.29.41.714.20.6
501-600 stems/ha9.71.310.11.28.91.27.70.97.11.58.80.5
more than 600 stems/ha28.72.024.61.731.42.023.01.427.62.526.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha7.51.18.71.16.01.013.21.118.72.110.40.6
101-200 stems/ha9.91.38.71.19.51.215.11.215.22.011.70.6
201-300 stems/ha16.01.614.11.411.41.315.21.212.11.814.00.6
301-400 stems/ha14.61.518.01.515.11.512.31.110.71.714.30.6
401-500 stems/ha13.61.515.81.417.41.612.61.19.81.614.10.6
501-600 stems/ha9.91.310.11.28.81.27.90.96.81.48.80.5
more than 600 stems/ha28.52.024.51.731.72.023.61.426.72.426.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155075/141454

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.4100....2.1412.5385.027
101-200 stems/ha0.4100..0.41001.7451.1583.532
201-300 stems/ha......4.1291.8455.924
301-400 stems/ha0.41000.41000.41002.1411.4504.628
401-500 stems/ha0.771..0.7711.7451.4504.628
501-600 stems/ha0.771....2.4380.41003.532
more than 600 stems/ha0.771..1.4506.9221.84510.918
total3.3330.41002.93521.11210.31837.99
outside perimeter0-100 stems/ha14.21619.71312.21739.5919.813105.56
101-200 stems/ha19.01319.71319.11345.8817.014120.65
201-300 stems/ha31.41032.01023.41243.5812.716143.15
301-400 stems/ha28.11140.4930.61036.7911.317147.15
401-500 stems/ha25.91135.8935.0938.0910.218145.05
501-600 stems/ha18.61322.81218.01422.5127.82189.86
more than 600 stems/ha55.1755.5763.4667.5730.110271.73
total192.42225.91201.82293.52109.041022.71
total0-100 stems/ha14.61519.71312.21741.6922.312110.55
101-200 stems/ha19.31319.71319.51347.5818.113124.15
201-300 stems/ha31.41032.01023.41247.7814.515149.05
301-400 stems/ha28.51140.7831.01038.7912.816151.75
401-500 stems/ha26.71135.8935.7939.8911.617149.65
501-600 stems/ha19.41322.81218.01424.9118.12093.36
more than 600 stems/ha55.9755.5764.9674.4631.99282.53
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155076/141455

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha10.09.5..9.16.112.76.916.715.224.28.013.03.2
101-200 stems/ha10.09.5..9.16.116.67.6..10.35.79.22.8
201-300 stems/ha..17.69.39.16.124.98.816.715.217.27.015.73.5
301-400 stems/ha20.012.65.95.74.54.412.56.733.319.313.86.412.03.1
401-500 stems/ha20.112.717.69.39.16.18.35.6..13.86.412.13.1
501-600 stems/ha20.012.611.87.818.28.24.24.1..3.43.49.32.8
more than 600 stems/ha20.012.647.112.140.910.520.88.333.319.317.27.028.74.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha8.10.87.61.210.01.716.92.410.81.718.22.210.30.6
101-200 stems/ha9.20.811.71.49.01.612.52.119.82.215.62.111.80.6
201-300 stems/ha15.11.011.51.413.31.915.22.315.62.011.61.814.00.6
301-400 stems/ha16.41.115.51.613.31.912.02.112.01.810.41.714.40.7
401-500 stems/ha14.81.015.91.614.22.012.02.115.32.09.41.714.20.6
501-600 stems/ha9.90.99.01.39.81.75.21.47.51.47.11.58.80.5
more than 600 stems/ha26.41.328.82.030.42.626.12.818.92.127.62.526.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha8.10.87.41.19.91.616.52.310.91.718.72.110.40.6
101-200 stems/ha9.20.811.41.49.01.612.82.019.52.215.22.011.70.6
201-300 stems/ha15.01.011.71.413.01.816.12.215.62.012.11.814.00.6
301-400 stems/ha16.41.115.21.612.71.812.12.012.41.810.71.714.30.6
401-500 stems/ha14.81.015.91.613.91.911.71.915.11.99.81.614.10.6
501-600 stems/ha10.00.99.11.310.41.75.11.37.41.46.81.48.80.5
more than 600 stems/ha26.41.329.42.031.12.525.72.619.22.126.72.426.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155077/141456

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
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/ha0.4100..0.7711.0580.41002.5384.927
101-200 stems/ha0.4100..0.7711.450..1.1583.532
201-300 stems/ha..1.1580.7712.1410.41001.8456.024
301-400 stems/ha0.7710.41000.31001.0580.7711.4504.628
401-500 stems/ha0.7711.1580.7710.771..1.4504.628
501-600 stems/ha0.7710.7711.4500.3100..0.41003.532
more than 600 stems/ha0.7712.9353.1331.7440.7711.84510.918
total3.6326.1247.6218.2202.14110.31837.99
outside perimeter0-100 stems/ha34.01014.11610.91814.41512.61619.813105.86
101-200 stems/ha38.6921.6129.81810.61723.21117.014120.95
201-300 stems/ha63.3721.31214.51513.01518.31312.716143.15
301-400 stems/ha68.7728.51114.51510.31814.11511.317147.35
401-500 stems/ha61.9729.21015.51410.31817.91310.218145.15
501-600 stems/ha41.5916.61410.7174.5278.8197.82189.86
more than 600 stems/ha110.5553.0733.2922.31122.11230.110271.33
total418.51184.32109.1385.44116.93109.041023.21
total0-100 stems/ha34.31014.11611.61715.51413.01622.312110.75
101-200 stems/ha39.0921.61210.51812.01623.21118.113124.45
201-300 stems/ha63.3722.41215.21415.11418.61314.515149.05
301-400 stems/ha69.4728.81014.81411.31714.81512.816151.95
401-500 stems/ha62.6730.31016.21411.01717.91311.617149.65
501-600 stems/ha42.2917.31412.1164.8268.8198.12093.36
more than 600 stems/ha111.2555.9736.3924.01122.81131.99282.13
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155078/141457

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified) %± %± %±
Western Jura0-100 stems/ha..6.61.26.51.2
101-200 stems/ha12.411.79.31.49.41.4
201-300 stems/ha..15.71.815.41.8
301-400 stems/ha12.411.716.11.816.11.8
401-500 stems/ha25.415.514.21.714.41.7
501-600 stems/ha24.915.39.31.49.61.4
more than 600 stems/ha24.915.328.82.228.82.2
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha100.0.10.22.810.92.9
101-200 stems/ha..11.93.011.83.0
201-300 stems/ha..18.73.618.53.6
301-400 stems/ha..9.32.79.32.7
401-500 stems/ha..11.02.910.92.9
501-600 stems/ha..11.02.910.92.9
more than 600 stems/ha..27.94.127.64.1
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha..7.72.57.72.5
101-200 stems/ha..9.52.79.52.7
201-300 stems/ha..9.62.89.62.8
301-400 stems/ha..14.93.314.93.3
401-500 stems/ha..10.52.910.52.9
501-600 stems/ha..10.42.810.42.8
more than 600 stems/ha..37.54.537.54.5
total..100.0.100.0.
Central Plateau0-100 stems/ha..7.41.87.41.8
101-200 stems/ha..9.11.99.01.9
201-300 stems/ha..12.82.312.72.3
301-400 stems/ha100.0.17.72.618.02.6
401-500 stems/ha..20.42.720.32.7
501-600 stems/ha..8.21.88.11.8
more than 600 stems/ha..24.52.924.42.9
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..10.11.710.11.7
101-200 stems/ha..8.11.68.11.6
201-300 stems/ha..16.92.116.92.1
301-400 stems/ha..19.22.219.22.2
401-500 stems/ha..14.62.014.62.0
501-600 stems/ha..11.41.811.41.8
more than 600 stems/ha..19.82.319.82.3
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha..7.22.57.22.5
101-200 stems/ha..11.83.111.73.1
201-300 stems/ha..9.12.89.02.7
301-400 stems/ha100.0.11.83.112.63.2
401-500 stems/ha..10.02.99.92.8
501-600 stems/ha..13.63.313.53.3
more than 600 stems/ha..36.44.636.14.6
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha..4.21.34.21.2
101-200 stems/ha..10.41.910.21.9
201-300 stems/ha..10.81.910.61.9
301-400 stems/ha..18.12.417.82.4
401-500 stems/ha50.025.021.22.521.62.5
501-600 stems/ha..6.21.56.11.5
more than 600 stems/ha50.025.029.22.829.52.8
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..7.92.07.81.9
101-200 stems/ha33.327.36.81.87.31.9
201-300 stems/ha..14.22.514.02.5
301-400 stems/ha..13.22.513.02.4
401-500 stems/ha..16.32.716.12.6
501-600 stems/ha..10.02.29.82.1
more than 600 stems/ha66.727.331.63.432.13.4
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha..14.22.913.12.7
101-200 stems/ha..14.22.913.12.7
201-300 stems/ha25.012.514.93.015.72.9
301-400 stems/ha..13.52.912.42.7
401-500 stems/ha8.38.010.62.610.42.5
501-600 stems/ha16.710.810.62.611.12.5
more than 600 stems/ha50.014.522.03.524.23.5
total100.0.100.0.100.0.
Central Alps0-100 stems/ha..9.44.07.93.4
101-200 stems/ha..14.74.812.54.1
201-300 stems/ha10.09.59.23.99.33.6
301-400 stems/ha..11.14.39.33.6
401-500 stems/ha..13.14.611.03.9
501-600 stems/ha30.014.612.94.615.64.5
more than 600 stems/ha60.015.529.66.234.46.0
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha22.213.915.54.316.34.1
101-200 stems/ha11.110.59.93.610.03.4
201-300 stems/ha11.110.514.14.113.73.9
301-400 stems/ha11.110.515.54.315.04.0
401-500 stems/ha22.213.99.93.511.23.5
501-600 stems/ha11.110.57.03.07.53.0
more than 600 stems/ha11.110.528.25.426.34.9
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha12.76.916.92.416.52.3
101-200 stems/ha16.67.612.52.112.82.0
201-300 stems/ha24.98.815.22.316.12.2
301-400 stems/ha12.56.712.02.112.12.0
401-500 stems/ha8.35.612.02.111.71.9
501-600 stems/ha4.24.15.21.45.11.3
more than 600 stems/ha20.88.326.12.825.72.6
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha16.715.210.81.710.91.7
101-200 stems/ha..19.82.219.52.2
201-300 stems/ha16.715.215.62.015.62.0
301-400 stems/ha33.319.312.01.812.41.8
401-500 stems/ha..15.32.015.11.9
501-600 stems/ha..7.51.47.41.4
more than 600 stems/ha33.319.318.92.119.22.1
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha24.28.018.22.218.72.1
101-200 stems/ha10.35.715.62.115.22.0
201-300 stems/ha17.27.011.61.812.11.8
301-400 stems/ha13.86.410.41.710.71.7
401-500 stems/ha13.86.49.41.79.81.6
501-600 stems/ha3.43.47.11.56.81.4
more than 600 stems/ha17.27.027.62.526.72.4
total100.0.100.0.100.0.
Switzerland0-100 stems/ha13.23.310.30.610.40.6
101-200 stems/ha9.22.811.80.611.70.6
201-300 stems/ha15.63.514.00.614.10.6
301-400 stems/ha11.93.114.30.714.30.6
401-500 stems/ha12.13.214.10.614.00.6
501-600 stems/ha9.22.88.80.58.80.5
more than 600 stems/ha28.64.326.60.826.70.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155079/141458

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, classified) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha..9.6199.619
101-200 stems/ha0.410013.61613.915
201-300 stems/ha..22.91222.912
301-400 stems/ha0.410023.61123.911
401-500 stems/ha0.77120.71221.412
501-600 stems/ha0.77113.51614.315
more than 600 stems/ha0.77142.1842.88
total2.935146.02148.92
Eastern Jura0-100 stems/ha0.41004.7285.126
101-200 stems/ha..5.5255.525
201-300 stems/ha..8.7198.719
301-400 stems/ha..4.4294.429
401-500 stems/ha..5.1265.126
501-600 stems/ha..5.1265.126
more than 600 stems/ha..13.01513.015
total0.410046.6347.03
Western Plateau0-100 stems/ha..3.6333.633
101-200 stems/ha..4.5294.529
201-300 stems/ha..4.5294.529
301-400 stems/ha..7.0237.023
401-500 stems/ha..4.9284.928
501-600 stems/ha..4.9284.928
more than 600 stems/ha..17.71317.713
total..47.2447.24
Central Plateau0-100 stems/ha..5.1245.124
101-200 stems/ha..6.2216.221
201-300 stems/ha..8.7188.718
301-400 stems/ha0.310012.11512.414
401-500 stems/ha..13.91313.913
501-600 stems/ha..5.6235.623
more than 600 stems/ha..16.71216.712
total0.310068.4268.72
Eastern Plateau0-100 stems/ha..11.11711.117
101-200 stems/ha..8.9198.919
201-300 stems/ha..18.61318.613
301-400 stems/ha..21.11221.112
401-500 stems/ha..16.11416.114
501-600 stems/ha..12.51612.516
more than 600 stems/ha..21.81221.812
total..110.12110.12
Western Pre-Alps0-100 stems/ha..2.9352.935
101-200 stems/ha..4.8274.827
201-300 stems/ha..3.7303.730
301-400 stems/ha0.41004.8265.225
401-500 stems/ha..4.1294.129
501-600 stems/ha..5.5255.525
more than 600 stems/ha..14.81314.813
total0.410040.7441.14
Central Pre-Alps0-100 stems/ha..3.9303.930
101-200 stems/ha..9.7189.718
201-300 stems/ha..10.01810.018
301-400 stems/ha..16.81316.813
401-500 stems/ha0.77119.71220.412
501-600 stems/ha..5.7245.724
more than 600 stems/ha0.77127.21028.010
total1.45093.2394.72
Eastern Pre-Alps0-100 stems/ha..5.4255.425
101-200 stems/ha0.41004.6275.026
201-300 stems/ha..9.6189.618
301-400 stems/ha..8.9198.919
401-500 stems/ha..11.11711.117
501-600 stems/ha..6.8226.822
more than 600 stems/ha0.77121.41122.111
total1.15767.9368.93
Northwestern Alps0-100 stems/ha..7.2217.221
101-200 stems/ha..7.2217.221
201-300 stems/ha1.1577.5218.619
301-400 stems/ha..6.8226.822
401-500 stems/ha0.41005.4255.724
501-600 stems/ha0.7715.4256.123
more than 600 stems/ha2.14011.11713.215
total4.32850.4554.74
Central Alps0-100 stems/ha..1.7441.744
101-200 stems/ha..2.7342.734
201-300 stems/ha0.31001.7442.140
301-400 stems/ha..2.1402.140
401-500 stems/ha..2.4372.437
501-600 stems/ha1.0572.4373.430
more than 600 stems/ha2.1405.5237.619
total3.43018.61022.18
Northeastern Alps0-100 stems/ha0.7703.9294.726
101-200 stems/ha0.41002.5372.934
201-300 stems/ha0.41003.6303.929
301-400 stems/ha0.41003.9294.328
401-500 stems/ha0.7702.5373.232
501-600 stems/ha0.41001.8442.140
more than 600 stems/ha0.41007.2217.520
total3.23225.4828.76
Southwestern Alps0-100 stems/ha1.05814.41515.514
101-200 stems/ha1.45010.61712.016
201-300 stems/ha2.14113.01515.114
301-400 stems/ha1.05810.31811.317
401-500 stems/ha0.77110.31811.017
501-600 stems/ha0.31004.5274.826
more than 600 stems/ha1.74422.31124.011
total8.22085.4493.73
Southeastern Alps0-100 stems/ha0.410012.61613.016
101-200 stems/ha..23.21123.211
201-300 stems/ha0.410018.31318.613
301-400 stems/ha0.77114.11514.815
401-500 stems/ha..17.91317.913
501-600 stems/ha..8.8198.819
more than 600 stems/ha0.77122.11222.811
total2.141116.93119.03
Southern Alps0-100 stems/ha2.53819.81322.312
101-200 stems/ha1.15817.01418.113
201-300 stems/ha1.84512.71614.515
301-400 stems/ha1.45011.31712.816
401-500 stems/ha1.45010.21811.617
501-600 stems/ha0.41007.8218.120
more than 600 stems/ha1.84530.11031.99
total10.318109.04119.33
Switzerland0-100 stems/ha5.027106.16111.15
101-200 stems/ha3.532121.15124.65
201-300 stems/ha6.024143.65149.65
301-400 stems/ha4.528147.25151.75
401-500 stems/ha4.628144.45149.05
501-600 stems/ha3.53290.3693.86
more than 600 stems/ha10.918273.13284.03
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155080/141459

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a11.110.5....12.76.9....3.71.8
crowded44.416.6100.0.34.27.720.88.333.319.348.29.337.14.6
heterogeneous....5.33.6..16.715.23.43.43.71.8
normal, loose33.315.7..44.78.137.49.950.020.424.28.036.14.6
open, scattered11.310.6..5.33.620.88.3..10.35.710.12.9
crowded, clustered normal....10.55.08.35.6..13.86.49.32.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.50.84.50.85.90.83.21.23.01.02.20.84.20.4
crowded30.22.039.11.826.61.514.42.417.12.337.22.729.70.8
heterogeneous5.41.01.10.44.80.76.31.66.01.52.20.83.90.4
normal, loose37.02.146.51.929.91.621.52.826.12.719.92.333.20.9
open, scattered20.41.86.40.919.01.337.23.224.32.623.52.418.50.7
crowded, clustered normal3.50.82.40.613.71.217.52.523.52.614.92.010.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.60.84.50.85.60.84.11.32.91.02.00.84.20.4
crowded30.52.039.31.827.01.515.02.317.52.338.12.630.00.8
heterogeneous5.31.01.10.44.80.75.71.56.21.52.30.83.90.4
normal, loose36.92.146.41.930.61.523.02.726.62.720.32.233.30.8
open, scattered20.21.86.40.918.41.335.63.123.82.622.42.218.20.7
crowded, clustered normal3.40.82.40.613.51.216.62.423.02.514.81.910.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155081/141460

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
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/a0.4100....1.058....1.450
crowded1.4500.7714.6281.7440.7715.02614.216
heterogeneous....0.771..0.41000.41001.450
normal, loose1.158..6.0243.1331.1582.53813.816
open, scattered0.4100..0.7711.744..1.1583.930
crowded, clustered normal....1.4500.771..1.4503.532
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a6.52311.31717.8142.4382.8352.53843.39
crowded56.2799.0580.2611.01716.21441.78304.23
heterogeneous10.1192.83514.5154.8265.7242.53840.49
normal, loose68.86117.7490.1616.41324.71122.312340.13
open, scattered37.8916.31457.3728.41023.01126.311189.14
crowded, clustered normal6.5236.02441.2913.31522.21216.814106.05
total185.92253.21301.1276.4494.63112.131023.21
totaln/a6.92311.31717.8143.5312.8352.53844.79
crowded57.6799.7584.8612.71616.91446.78318.43
heterogeneous10.1192.83515.2154.8266.0242.83541.89
normal, loose69.96117.7496.2519.51225.81124.811353.93
open, scattered38.2916.31458.0730.1923.01127.411192.94
crowded, clustered normal6.5236.02442.6914.01522.21218.213109.65
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155082/141461

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture1000 ha± %1000 ha± %1000 ha± %
AGn/a..3.2343.234
pure conifer forest..13.71513.715
mixed conifer forest..7.6217.621
mixed broadleaf forest..7.2227.222
pure broadleaf forest..16.91316.913
total..48.7248.72
AIn/a..0.31000.3100
pure conifer forest0.6692.3302.924
mixed conifer forest0.31001.3451.639
mixed broadleaf forest......
pure broadleaf forest......
total1.0543.9174.811
ARn/a......
pure conifer forest0.31004.5184.817
mixed conifer forest..1.9361.936
mixed broadleaf forest..0.6690.669
pure broadleaf forest..0.6690.669
total0.31007.768.05
BEn/a0.7717.2227.921
pure conifer forest8.91977.0585.95
mixed conifer forest3.43131.81035.29
mixed broadleaf forest1.05815.11516.114
pure broadleaf forest..17.11417.114
total14.115148.22162.32
BL/BSn/a..1.6491.649
pure conifer forest..3.3333.333
mixed conifer forest..1.2571.257
mixed broadleaf forest..4.5274.527
pure broadleaf forest..8.5188.518
total..19.1619.16
FRn/a0.41003.7314.129
pure conifer forest..17.91117.911
mixed conifer forest0.7707.5208.219
mixed broadleaf forest..4.5274.527
pure broadleaf forest..6.4236.423
total1.15740.0441.13
GEn/a......
pure conifer forest......
mixed conifer forest..0.51000.5100
mixed broadleaf forest......
pure broadleaf forest..1.7431.743
total..2.2342.234
GLn/a..0.8700.870
pure conifer forest2.7364.2276.919
mixed conifer forest0.41001.9432.339
mixed broadleaf forest0.41001.5491.943
pure broadleaf forest0.41003.5313.929
total3.92911.91215.88
GRn/a0.7713.8304.527
pure conifer forest16.11494.14110.24
mixed conifer forest1.7459.81811.517
mixed broadleaf forest..3.2333.233
pure broadleaf forest1.05811.91712.916
total19.613122.83142.33
JUn/a..0.8700.870
pure conifer forest0.41008.2198.619
mixed conifer forest..7.8207.820
mixed broadleaf forest0.41007.8208.219
pure broadleaf forest..8.6198.619
total0.87033.1333.93
LUn/a..1.7451.745
pure conifer forest0.310023.2823.58
mixed conifer forest0.31007.2197.519
mixed broadleaf forest..3.5293.529
pure broadleaf forest..3.1313.131
total0.67038.7339.33
NEn/a..1.8451.845
pure conifer forest0.67013.81114.411
mixed conifer forest..7.7187.718
mixed broadleaf forest0.31001.3491.644
pure broadleaf forest..1.9401.940
total1.05726.4527.44
NWn/a......
pure conifer forest0.41002.7323.129
mixed conifer forest0.41000.8691.255
mixed broadleaf forest..0.41000.4100
pure broadleaf forest0.41001.5461.940
total1.2555.4176.513
OWn/a..1.5491.549
pure conifer forest0.7709.31510.114
mixed conifer forest0.41002.6363.033
mixed broadleaf forest0.41001.5491.943
pure broadleaf forest0.41002.2392.636
total1.94317.2619.04
SGn/a0.41001.4501.844
pure conifer forest1.15717.01318.112
mixed conifer forest1.84412.61514.514
mixed broadleaf forest0.41007.2217.620
pure broadleaf forest..7.6207.620
total3.63145.9549.54
SHn/a..0.7700.770
pure conifer forest..4.3244.324
mixed conifer forest..2.1382.138
mixed broadleaf forest..2.5342.534
pure broadleaf forest..3.2293.229
total..12.8312.83
SOn/a..0.41000.4100
pure conifer forest..5.3255.325
mixed conifer forest..6.8216.821
mixed broadleaf forest..9.5179.517
pure broadleaf forest..9.5179.517
total..31.4431.44
SZn/a0.41000.7711.157
pure conifer forest0.410015.21115.611
mixed conifer forest1.1572.9344.028
mixed broadleaf forest..1.8441.844
pure broadleaf forest0.41002.9343.332
total2.24023.5625.75
TGn/a..0.9570.957
pure conifer forest..6.3196.319
mixed conifer forest..6.3196.319
mixed broadleaf forest..2.8322.832
pure broadleaf forest..4.8224.822
total..21.0421.04
TIn/a..1.8441.844
pure conifer forest6.82218.91325.811
mixed conifer forest0.7716.0246.823
mixed broadleaf forest..5.7245.724
pure broadleaf forest0.77155.1655.96
total8.32087.6495.94
URn/a..0.7700.770
pure conifer forest2.6346.0218.616
mixed conifer forest0.31000.31000.770
mixed broadleaf forest..1.7431.743
pure broadleaf forest..2.7352.735
total3.03111.41414.311
VDn/a..3.8313.831
pure conifer forest1.94434.1936.09
mixed conifer forest1.15823.91125.011
mixed broadleaf forest0.87111.81712.516
pure broadleaf forest..15.91415.914
total3.83189.4393.23
VSn/a0.7713.4314.229
pure conifer forest20.91248.1769.05
mixed conifer forest0.7716.9227.521
mixed broadleaf forest1.4502.1413.431
pure broadleaf forest0.7718.9199.618
total24.41169.3593.73
ZGn/a......
pure conifer forest..3.0283.028
mixed conifer forest..0.9680.968
mixed broadleaf forest..0.9680.968
pure broadleaf forest..0.9680.968
total..5.695.69
ZHn/a..1.8441.844
pure conifer forest..17.61217.612
mixed conifer forest..14.11414.114
mixed broadleaf forest..7.0217.021
pure broadleaf forest..9.9179.917
total..50.4250.42
Switzerlandn/a3.23342.0945.29
pure conifer forest64.87449.92514.72
mixed conifer forest13.516172.44185.94
mixed broadleaf forest5.027103.96108.95
pure broadleaf forest4.030205.34209.34
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155083/141462

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %±
inside perimetern/a....2.92.84.61.6..3.51.1
pure conifer forest38.413.5..45.78.477.13.285.65.971.92.8
mixed conifer forest30.812.8..37.28.210.32.38.74.814.92.2
mixed broadleaf forest30.812.8..5.73.94.61.6..5.51.4
pure broadleaf forest....8.64.73.41.45.73.94.31.3
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a4.20.94.20.85.81.04.10.72.30.94.30.4
pure conifer forest29.12.038.31.954.82.268.81.728.22.646.60.9
mixed conifer forest25.21.923.11.721.01.89.81.16.91.517.90.7
mixed broadleaf forest18.41.713.71.47.91.25.70.96.01.410.50.6
pure broadleaf forest23.11.820.71.610.51.311.61.256.62.920.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.10.94.20.85.61.04.20.72.10.84.20.4
pure conifer forest29.32.038.31.954.22.170.41.534.12.648.80.9
mixed conifer forest25.41.923.11.722.01.79.91.07.11.417.60.7
mixed broadleaf forest18.71.713.71.47.71.15.50.85.31.210.10.5
pure broadleaf forest22.61.820.71.610.41.310.01.051.32.719.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155084/141463

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.41002.835..3.133
pure conifer forest1.845..5.82546.6810.61864.97
mixed conifer forest1.550..4.7276.2231.15813.416
mixed broadleaf forest1.550..0.7712.835..4.927
pure broadleaf forest....1.1582.1410.7713.930
total4.727..12.61660.5712.41690.36
outside perimetern/a8.0219.51911.21810.4182.53841.69
pure conifer forest55.5786.85105.34174.8330.110452.42
mixed conifer forest48.2852.3740.4925.0117.421173.24
mixed broadleaf forest35.1930.91015.11514.5156.423102.06
pure broadleaf forest44.2846.7820.21329.41060.56201.14
total190.92226.31192.12254.22106.94970.41
totaln/a8.0219.51911.51713.2162.53844.79
pure conifer forest57.3786.85111.04221.5340.78517.32
mixed conifer forest49.6852.3745.1831.2108.520186.74
mixed broadleaf forest36.5930.91015.91517.3146.423107.05
pure broadleaf forest44.2846.7821.31231.51061.26204.94
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155085/141464

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a..5.43.05.13.52.92.04.53.1..3.51.2
pure conifer forest38.513.558.96.656.47.985.84.179.56.185.65.971.92.8
mixed conifer forest30.712.825.05.828.27.22.82.09.14.38.74.814.82.2
mixed broadleaf forest30.712.87.13.45.13.55.62.7....5.41.4
pure broadleaf forest..3.62.55.13.52.82.06.83.85.73.94.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.20.66.11.14.41.25.01.53.11.02.30.94.30.4
pure conifer forest34.21.458.52.348.02.969.33.280.62.328.22.646.70.9
mixed conifer forest24.11.317.21.719.92.39.92.18.11.66.91.517.80.7
mixed broadleaf forest15.81.18.11.311.01.83.01.22.40.96.01.410.50.6
pure broadleaf forest21.81.210.21.416.72.212.92.45.81.456.62.920.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.20.66.11.04.41.14.41.33.21.02.10.84.20.4
pure conifer forest34.21.458.52.149.02.773.62.780.52.234.12.648.90.9
mixed conifer forest24.21.218.01.720.82.28.01.68.31.57.11.417.60.7
mixed broadleaf forest15.91.18.01.210.31.73.71.12.10.85.31.210.10.5
pure broadleaf forest21.51.29.51.315.42.010.21.85.91.351.32.719.30.7
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, 04.11.2014 #155086/141465

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..1.1580.7710.7710.771..3.233
pure conifer forest1.84511.9177.62120.91212.31610.61865.17
mixed conifer forest1.4505.0263.8300.7711.4501.15813.416
mixed broadleaf forest1.4501.4500.7711.450....4.927
pure broadleaf forest..0.7710.7710.7711.1580.7713.930
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a17.51410.5184.5273.4313.2332.53841.69
pure conifer forest142.7499.5549.5748.0783.5530.110453.42
mixed conifer forest100.5529.21020.5126.9228.4207.421172.94
mixed broadleaf forest65.8713.71611.4172.1412.5386.423101.86
pure broadleaf forest90.9617.31417.3138.9196.02460.56200.94
total417.41170.22103.2369.35103.63106.94970.61
totaln/a17.51411.5175.2254.2293.9302.53844.89
pure conifer forest144.54111.4457.1669.0595.8440.78518.62
mixed conifer forest101.9534.31024.3117.5219.8188.520186.44
mixed broadleaf forest67.2715.11512.1163.4312.5386.423106.75
pure broadleaf forest90.9618.01418.0139.6187.02261.26204.74
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155087/141466

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture %± %± %±
Western Juran/a..3.50.93.40.9
pure conifer forest38.613.530.72.330.92.3
mixed conifer forest30.712.830.22.330.22.3
mixed broadleaf forest30.712.818.11.918.51.9
pure broadleaf forest..17.61.917.01.8
total100.0.100.0.100.0.
Eastern Juran/a..6.72.36.72.3
pure conifer forest..23.63.923.63.9
mixed conifer forest..8.42.68.42.6
mixed broadleaf forest..19.43.619.43.6
pure broadleaf forest..41.94.541.94.5
total..100.0.100.0.
Western Plateaun/a..4.21.94.21.9
pure conifer forest..34.04.434.04.4
mixed conifer forest..20.13.820.13.8
mixed broadleaf forest..14.93.314.93.3
pure broadleaf forest..26.84.126.84.1
total..100.0.100.0.
Central Plateaun/a..4.71.54.71.5
pure conifer forest..47.93.447.93.4
mixed conifer forest..20.82.720.82.7
mixed broadleaf forest..10.42.110.42.1
pure broadleaf forest..16.22.516.22.5
total..100.0.100.0.
Eastern Plateaun/a..3.91.13.91.1
pure conifer forest..33.12.733.12.7
mixed conifer forest..26.02.526.02.5
mixed broadleaf forest..15.62.115.62.1
pure broadleaf forest..21.42.321.42.3
total..100.0.100.0.
Western Pre-Alpsn/a12.611.810.63.010.72.9
pure conifer forest37.117.160.24.858.64.7
mixed conifer forest50.317.714.63.517.13.6
mixed broadleaf forest..6.82.56.32.3
pure broadleaf forest..7.82.67.22.5
total100.0.100.0.100.0.
Central Pre-Alpsn/a..4.91.44.61.3
pure conifer forest47.411.557.53.256.83.1
mixed conifer forest36.811.120.42.621.62.5
mixed broadleaf forest5.35.17.31.77.21.6
pure broadleaf forest10.57.19.81.99.81.8
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..4.31.54.11.4
pure conifer forest50.017.748.13.748.23.6
mixed conifer forest25.015.325.43.225.43.1
mixed broadleaf forest12.511.79.22.19.32.1
pure broadleaf forest12.511.713.02.513.02.4
total100.0.100.0.100.0.
Northwestern Alpsn/a6.94.74.81.95.21.8
pure conifer forest72.48.358.94.461.43.9
mixed conifer forest10.35.712.93.012.42.7
mixed broadleaf forest10.35.710.52.810.42.5
pure broadleaf forest..12.93.010.52.5
total100.0.100.0.100.0.
Central Alpsn/a7.16.96.03.46.23.0
pure conifer forest64.312.855.97.157.76.2
mixed conifer forest28.612.12.02.07.83.4
mixed broadleaf forest..13.94.910.93.9
pure broadleaf forest..22.25.917.44.8
total100.0.100.0.100.0.
Northeastern Alpsn/a5.95.73.22.23.72.1
pure conifer forest52.912.141.36.243.85.6
mixed conifer forest29.411.117.54.820.04.5
mixed broadleaf forest5.95.714.34.412.53.7
pure broadleaf forest5.95.723.85.420.04.5
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.05.01.54.41.3
pure conifer forest85.84.169.33.273.62.7
mixed conifer forest2.82.09.92.18.01.6
mixed broadleaf forest5.62.73.01.23.71.1
pure broadleaf forest2.82.012.92.410.21.8
total100.0.100.0.100.0.
Southeastern Alpsn/a4.53.13.11.03.21.0
pure conifer forest79.56.180.62.380.52.2
mixed conifer forest9.14.38.11.68.31.5
mixed broadleaf forest..2.40.92.10.8
pure broadleaf forest6.83.85.81.45.91.3
total100.0.100.0.100.0.
Southern Alpsn/a..2.30.92.10.8
pure conifer forest85.65.928.22.634.12.6
mixed conifer forest8.74.86.91.57.11.4
mixed broadleaf forest..6.01.45.31.2
pure broadleaf forest5.73.956.62.951.32.7
total100.0.100.0.100.0.
Switzerlandn/a3.51.24.30.44.20.4
pure conifer forest71.82.846.50.948.70.9
mixed conifer forest14.92.217.80.717.50.7
mixed broadleaf forest5.41.410.60.610.10.5
pure broadleaf forest4.31.320.90.719.40.7
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155088/141467

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..5.0265.026
pure conifer forest1.84544.3846.18
mixed conifer forest1.45043.6845.08
mixed broadleaf forest1.45026.01127.510
pure broadleaf forest..25.31125.311
total4.627144.22148.92
Eastern Juran/a..3.2343.234
pure conifer forest..11.11711.117
mixed conifer forest..4.0304.030
mixed broadleaf forest..9.1199.119
pure broadleaf forest..19.71119.711
total..47.0347.03
Western Plateaun/a..2.0442.044
pure conifer forest..16.01416.014
mixed conifer forest..9.5199.519
mixed broadleaf forest..7.0237.023
pure broadleaf forest..12.71612.716
total..47.2447.24
Central Plateaun/a..3.2313.231
pure conifer forest..32.9732.97
mixed conifer forest..14.31314.313
mixed broadleaf forest..7.1207.120
pure broadleaf forest..11.21511.215
total..68.7268.72
Eastern Plateaun/a..4.3284.328
pure conifer forest..36.5836.58
mixed conifer forest..28.61028.610
mixed broadleaf forest..17.21317.213
pure broadleaf forest..23.61123.611
total..110.12110.12
Western Pre-Alpsn/a0.41004.0294.428
pure conifer forest1.15823.0924.19
mixed conifer forest1.5495.6247.021
mixed broadleaf forest..2.6372.637
pure broadleaf forest..3.0343.034
total2.93538.1541.14
Central Pre-Alpsn/a..4.3294.329
pure conifer forest3.23350.5653.86
mixed conifer forest2.53717.91320.412
mixed broadleaf forest0.41006.5236.822
pure broadleaf forest0.7718.6209.319
total6.82287.8394.72
Eastern Pre-Alpsn/a..2.9352.935
pure conifer forest1.45031.8833.28
mixed conifer forest0.77116.81317.513
mixed broadleaf forest0.41006.1236.423
pure broadleaf forest0.41008.6198.919
total2.93566.1368.93
Northwestern Alpsn/a0.7712.1402.935
pure conifer forest7.52126.11033.68
mixed conifer forest1.1575.7246.822
mixed broadleaf forest1.1574.6275.724
pure broadleaf forest..5.7245.724
total10.41744.3654.74
Central Alpsn/a0.31001.0571.449
pure conifer forest3.1329.71612.713
mixed conifer forest1.4490.31001.744
mixed broadleaf forest..2.4372.437
pure broadleaf forest..3.8293.829
total4.82517.31122.18
Northeastern Alpsn/a0.41000.7701.157
pure conifer forest3.2329.31812.514
mixed conifer forest1.8443.9295.723
mixed broadleaf forest0.41003.2323.630
pure broadleaf forest0.41005.4245.723
total6.12222.6928.76
Southwestern Alpsn/a0.7713.4314.229
pure conifer forest20.91248.0769.05
mixed conifer forest0.7716.9227.521
mixed broadleaf forest1.4502.1413.431
pure broadleaf forest0.7718.9199.618
total24.41169.3593.73
Southeastern Alpsn/a0.7713.2333.930
pure conifer forest12.31683.5595.84
mixed conifer forest1.4508.4209.818
mixed broadleaf forest..2.5382.538
pure broadleaf forest1.1586.0247.022
total15.514103.63119.03
Southern Alpsn/a..2.5382.538
pure conifer forest10.61830.11040.78
mixed conifer forest1.1587.4218.520
mixed broadleaf forest..6.4236.423
pure broadleaf forest0.77160.5661.26
total12.416106.94119.33
Switzerlandn/a3.23341.9945.19
pure conifer forest65.27452.72518.02
mixed conifer forest13.516172.84186.44
mixed broadleaf forest4.927102.76107.75
pure broadleaf forest3.930203.04206.84
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155089/141468

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha15.410.0..14.43.422.55.121.66.835.37.920.62.5
101-200 stems/ha30.712.8..21.14.025.35.321.66.843.18.126.02.7
201-300 stems/ha23.011.7..24.04.229.85.629.77.513.55.624.72.7
301-400 stems/ha23.211.7..23.14.111.94.05.43.7..14.42.2
401-500 stems/ha7.77.4..11.53.17.53.210.85.12.72.78.91.8
501- 600 stems/ha....4.82.11.51.510.85.12.72.74.31.3
more than 600 stems/ha....1.01.01.51.5..2.72.71.20.7
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha21.91.824.51.624.01.543.93.731.53.054.82.829.10.9
101-200 stems/ha25.41.922.41.626.71.627.23.329.23.020.12.324.80.8
201-300 stems/ha27.12.022.81.621.21.518.32.916.12.413.72.021.30.8
301-400 stems/ha15.41.617.51.412.41.25.51.712.72.28.51.613.50.7
401-500 stems/ha5.11.07.41.08.91.02.81.26.81.62.00.86.40.5
501- 600 stems/ha3.50.83.30.74.30.71.71.01.70.81.00.63.10.3
more than 600 stems/ha1.60.52.00.52.40.50.60.62.10.9..1.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha21.71.824.51.622.81.438.13.130.22.852.72.728.40.8
101-200 stems/ha25.51.922.41.626.11.526.72.828.22.722.62.324.90.8
201-300 stems/ha27.01.922.81.621.51.421.52.617.92.313.71.921.60.8
301-400 stems/ha15.61.617.51.413.71.27.31.711.71.97.61.413.60.6
401-500 stems/ha5.11.07.41.09.21.04.01.37.31.62.00.86.60.5
501- 600 stems/ha3.40.83.30.74.40.71.60.82.91.01.20.63.20.3
more than 600 stems/ha1.50.52.00.52.30.50.80.61.80.80.30.31.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155090/141469

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.771..5.3265.2252.8354.72718.714
101-200 stems/ha1.450..7.8215.8242.8355.72523.612
201-300 stems/ha1.158..8.9206.8223.9301.84522.512
301-400 stems/ha1.158..8.5202.7350.771..13.016
401-500 stems/ha0.4100..4.3291.7441.4500.41008.121
501- 600 stems/ha....1.8450.31001.4500.41003.930
more than 600 stems/ha....0.41000.3100..0.41001.158
total4.727..36.9922.91113.11613.21690.86
outside perimeter0-100 stems/ha40.4962.3766.5727.01026.41059.86282.43
101-200 stems/ha46.8856.9774.2616.81324.41122.012241.13
201-300 stems/ha50.1758.0758.9711.31713.41515.015206.64
301-400 stems/ha28.51044.6834.5103.43110.6179.319130.85
401-500 stems/ha9.41918.71324.8121.7445.7242.14162.47
501- 600 stems/ha6.5238.52012.1171.0581.4501.15830.611
more than 600 stems/ha2.9355.0276.7230.31001.844..16.714
total184.52253.91277.7261.6583.64109.24970.61
total0-100 stems/ha41.1862.3771.9632.2929.21064.56301.13
101-200 stems/ha48.3856.9782.0622.61127.21027.710264.63
201-300 stems/ha51.2758.0767.7718.11317.31316.714229.14
301-400 stems/ha29.51044.6843.096.22311.3179.319143.85
401-500 stems/ha9.71918.71329.1113.4317.1222.53870.57
501- 600 stems/ha6.5238.52013.8161.4502.8351.45034.410
more than 600 stems/ha2.9355.0277.1220.7711.8440.410017.714
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155091/141470

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified) %± %± %±
AG0-100 stems/ha..24.03.924.03.9
101-200 stems/ha..24.03.924.03.9
201-300 stems/ha..24.83.924.83.9
301-400 stems/ha..17.43.517.43.5
401-500 stems/ha..8.32.58.32.5
501- 600 stems/ha..1.71.21.71.2
more than 600 stems/ha......
total..100.0.100.0.
AI0-100 stems/ha..8.38.26.76.6
101-200 stems/ha..16.711.113.39.0
201-300 stems/ha..16.711.113.39.0
301-400 stems/ha33.328.016.711.120.010.6
401-500 stems/ha66.727.916.711.126.711.7
501- 600 stems/ha..25.012.820.010.6
more than 600 stems/ha......
total100.0.100.0.100.0.
AR0-100 stems/ha..12.56.912.06.6
101-200 stems/ha..16.77.716.07.5
201-300 stems/ha..8.35.78.05.5
301-400 stems/ha..20.88.420.08.1
401-500 stems/ha..29.29.428.09.1
501- 600 stems/ha100.0.4.24.28.05.5
more than 600 stems/ha..8.35.78.05.5
total100.0.100.0.100.0.
BE0-100 stems/ha17.25.920.11.919.81.8
101-200 stems/ha21.96.525.22.124.92.0
201-300 stems/ha21.96.526.32.126.02.0
301-400 stems/ha24.56.715.51.716.21.7
401-500 stems/ha12.25.16.71.27.21.2
501- 600 stems/ha..4.61.04.20.9
more than 600 stems/ha2.42.41.60.61.70.6
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..29.96.729.96.7
101-200 stems/ha..34.27.034.27.0
201-300 stems/ha..10.74.610.74.6
301-400 stems/ha..15.05.315.05.3
401-500 stems/ha..3.92.73.92.7
501- 600 stems/ha..6.43.66.43.6
more than 600 stems/ha......
total..100.0.100.0.
FR0-100 stems/ha66.727.326.14.327.34.3
101-200 stems/ha..21.54.020.93.9
201-300 stems/ha33.327.314.03.414.63.4
301-400 stems/ha..15.03.514.63.4
401-500 stems/ha..13.13.312.73.2
501- 600 stems/ha..6.52.46.42.3
more than 600 stems/ha..3.71.83.61.8
total100.0.100.0.100.0.
GE0-100 stems/ha..62.922.362.922.3
101-200 stems/ha..21.019.921.019.9
201-300 stems/ha......
301-400 stems/ha..16.214.416.214.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha30.014.625.87.926.87.0
101-200 stems/ha40.015.616.16.722.06.5
201-300 stems/ha10.09.616.16.714.65.6
301-400 stems/ha..12.96.19.84.7
401-500 stems/ha10.09.622.67.619.56.2
501- 600 stems/ha10.09.63.23.24.93.4
more than 600 stems/ha..3.23.22.42.4
total100.0.100.0.100.0.
GR0-100 stems/ha28.66.033.52.532.82.3
101-200 stems/ha26.85.928.22.428.02.2
201-300 stems/ha21.45.516.22.016.91.9
301-400 stems/ha7.13.411.41.710.81.5
401-500 stems/ha8.93.86.81.37.11.3
501- 600 stems/ha7.13.42.60.83.20.9
more than 600 stems/ha..1.40.61.20.5
total100.0.100.0.100.0.
JU0-100 stems/ha..23.64.623.04.5
101-200 stems/ha50.035.521.14.421.84.4
201-300 stems/ha..25.94.825.34.7
301-400 stems/ha..13.03.712.73.6
401-500 stems/ha50.035.55.92.66.92.7
501- 600 stems/ha..4.72.34.62.3
more than 600 stems/ha..5.92.65.82.5
total100.0.100.0.100.0.
LU0-100 stems/ha..15.43.315.23.2
101-200 stems/ha..26.94.026.54.0
201-300 stems/ha..22.93.822.53.8
301-400 stems/ha50.035.521.13.721.53.7
401-500 stems/ha..10.52.810.42.7
501- 600 stems/ha50.035.53.21.64.01.8
more than 600 stems/ha......
total100.0.100.0.100.0.
NE0-100 stems/ha..23.34.722.54.6
101-200 stems/ha66.727.335.25.336.35.2
201-300 stems/ha33.327.421.84.622.24.5
301-400 stems/ha..12.13.611.73.5
401-500 stems/ha..2.41.72.31.6
501- 600 stems/ha..3.62.13.52.0
more than 600 stems/ha..1.51.51.41.4
total100.0.100.0.100.0.
NW0-100 stems/ha..28.612.323.510.5
101-200 stems/ha..14.39.611.88.0
201-300 stems/ha..28.612.323.510.5
301-400 stems/ha66.727.721.411.229.411.3
401-500 stems/ha33.327.8..5.95.8
501- 600 stems/ha..7.17.05.95.8
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha..25.96.523.46.0
101-200 stems/ha40.022.117.45.619.65.6
201-300 stems/ha20.018.119.65.919.65.6
301-400 stems/ha20.018.119.65.919.65.6
401-500 stems/ha20.018.18.74.29.84.2
501- 600 stems/ha..2.22.22.02.0
more than 600 stems/ha..6.53.75.93.3
total100.0.100.0.100.0.
SG0-100 stems/ha10.09.520.53.619.73.4
101-200 stems/ha40.015.525.23.926.33.8
201-300 stems/ha30.014.522.13.722.63.6
301-400 stems/ha20.012.714.23.114.63.0
401-500 stems/ha..7.92.47.32.2
501- 600 stems/ha..4.71.94.41.8
more than 600 stems/ha..5.52.05.11.9
total100.0.100.0.100.0.
SH0-100 stems/ha..30.67.830.67.8
101-200 stems/ha..27.87.527.87.5
201-300 stems/ha..16.76.316.76.3
301-400 stems/ha..13.95.813.95.8
401-500 stems/ha..5.63.95.63.9
501- 600 stems/ha..2.82.82.82.8
more than 600 stems/ha..2.82.82.82.8
total..100.0.100.0.
SO0-100 stems/ha..19.34.319.34.3
101-200 stems/ha..22.94.622.94.6
201-300 stems/ha..30.15.130.15.1
301-400 stems/ha..18.14.218.14.2
401-500 stems/ha..4.82.44.82.4
501- 600 stems/ha..4.82.44.82.4
more than 600 stems/ha......
total..100.0.100.0.
SZ0-100 stems/ha16.715.313.84.314.14.2
101-200 stems/ha33.319.335.46.035.25.7
201-300 stems/ha16.715.324.65.423.95.1
301-400 stems/ha33.319.312.34.114.14.1
401-500 stems/ha..10.83.99.93.6
501- 600 stems/ha..1.51.51.41.4
more than 600 stems/ha..1.51.51.41.4
total100.0.100.0.100.0.
TG0-100 stems/ha..38.45.838.45.8
101-200 stems/ha..21.34.921.34.9
201-300 stems/ha..23.25.123.25.1
301-400 stems/ha..14.24.214.24.2
401-500 stems/ha..2.82.02.82.0
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
TI0-100 stems/ha30.59.655.63.253.43.1
101-200 stems/ha43.410.321.12.623.02.6
201-300 stems/ha21.78.613.92.214.62.2
301-400 stems/ha..8.21.87.51.6
401-500 stems/ha..1.20.71.10.6
501- 600 stems/ha......
more than 600 stems/ha4.34.3..0.40.4
total100.0.100.0.100.0.
UR0-100 stems/ha..41.58.532.97.2
101-200 stems/ha..14.56.011.54.9
201-300 stems/ha33.315.817.46.520.76.2
301-400 stems/ha33.315.88.74.813.85.3
401-500 stems/ha22.213.99.15.011.85.0
501- 600 stems/ha11.110.55.84.06.93.9
more than 600 stems/ha..2.92.92.32.3
total100.0.100.0.100.0.
VD0-100 stems/ha10.09.528.32.927.62.9
101-200 stems/ha10.09.523.42.822.82.7
201-300 stems/ha40.015.528.02.928.52.9
301-400 stems/ha20.012.711.42.111.82.1
401-500 stems/ha..5.11.44.91.4
501- 600 stems/ha20.012.71.70.82.41.0
more than 600 stems/ha..2.10.92.00.9
total100.0.100.0.100.0.
VS0-100 stems/ha21.24.942.13.536.62.9
101-200 stems/ha23.95.127.73.226.72.7
201-300 stems/ha32.45.617.82.721.62.5
301-400 stems/ha12.73.96.41.78.01.6
401-500 stems/ha7.03.03.51.34.41.2
501- 600 stems/ha1.41.42.01.01.90.8
more than 600 stems/ha1.41.40.50.50.70.5
total100.0.100.0.100.0.
ZG0-100 stems/ha..38.513.938.513.9
101-200 stems/ha..23.112.123.112.1
201-300 stems/ha..23.112.123.112.1
301-400 stems/ha..15.410.415.410.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
ZH0-100 stems/ha..25.23.625.23.6
101-200 stems/ha..22.43.522.43.5
201-300 stems/ha..24.53.624.53.6
301-400 stems/ha..17.53.217.53.2
401-500 stems/ha..4.91.84.91.8
501- 600 stems/ha..3.51.53.51.5
more than 600 stems/ha..2.11.22.11.2
total..100.0.100.0.
Switzerland0-100 stems/ha20.72.529.10.928.40.8
101-200 stems/ha26.12.724.80.824.90.8
201-300 stems/ha24.72.721.30.821.60.8
301-400 stems/ha14.32.213.40.713.50.6
401-500 stems/ha8.91.86.40.56.60.5
501- 600 stems/ha4.31.33.10.33.20.3
more than 600 stems/ha1.20.71.70.31.70.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155092/141471

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..11.71611.716
101-200 stems/ha..11.71611.716
201-300 stems/ha..12.11612.116
301-400 stems/ha..8.5208.520
401-500 stems/ha..4.0304.030
501- 600 stems/ha..0.8700.870
more than 600 stems/ha......
total..48.7248.72
AI0-100 stems/ha..0.31000.3100
101-200 stems/ha..0.6690.669
201-300 stems/ha..0.6690.669
301-400 stems/ha0.31000.6691.054
401-500 stems/ha0.6690.6691.345
501- 600 stems/ha..1.0541.054
more than 600 stems/ha......
total1.0543.9174.811
AR0-100 stems/ha..1.0551.055
101-200 stems/ha..1.3471.347
201-300 stems/ha..0.6690.669
301-400 stems/ha..1.6411.641
401-500 stems/ha..2.2332.233
501- 600 stems/ha0.31000.31000.669
more than 600 stems/ha..0.6690.669
total0.31007.768.05
BE0-100 stems/ha2.43829.81032.29
101-200 stems/ha3.13337.3940.48
201-300 stems/ha3.13339.0842.18
301-400 stems/ha3.43122.91126.311
401-500 stems/ha1.7459.91811.617
501- 600 stems/ha..6.8226.822
more than 600 stems/ha0.31002.4382.735
total14.115148.22162.32
BL/BS0-100 stems/ha..5.7235.723
101-200 stems/ha..6.5216.521
201-300 stems/ha..2.0432.043
301-400 stems/ha..2.9362.936
401-500 stems/ha..0.7710.771
501- 600 stems/ha..1.2571.257
more than 600 stems/ha......
total..19.1619.16
FR0-100 stems/ha0.77010.51711.216
101-200 stems/ha..8.6198.619
201-300 stems/ha0.41005.6246.023
301-400 stems/ha..6.0236.023
401-500 stems/ha..5.2255.225
501- 600 stems/ha..2.6372.637
more than 600 stems/ha..1.5491.549
total1.15740.0441.13
GE0-100 stems/ha..1.4481.448
101-200 stems/ha..0.51000.5100
201-300 stems/ha......
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..2.2342.234
GL0-100 stems/ha1.2573.1334.227
101-200 stems/ha1.5491.9433.531
201-300 stems/ha0.41001.9432.339
301-400 stems/ha..1.5491.549
401-500 stems/ha0.41002.7363.133
501- 600 stems/ha0.41000.41000.870
more than 600 stems/ha..0.41000.4100
total3.92911.91215.88
GR0-100 stems/ha5.62541.1846.78
101-200 stems/ha5.22534.6939.88
201-300 stems/ha4.22919.91324.111
301-400 stems/ha1.45014.01515.414
401-500 stems/ha1.7458.42010.118
501- 600 stems/ha1.4503.1334.527
more than 600 stems/ha..1.7451.745
total19.613122.83142.33
JU0-100 stems/ha..7.8207.820
101-200 stems/ha0.41007.0217.421
201-300 stems/ha..8.6198.619
301-400 stems/ha..4.3284.328
401-500 stems/ha0.41001.9442.340
501- 600 stems/ha..1.6491.649
more than 600 stems/ha..1.9441.944
total0.87033.1333.93
LU0-100 stems/ha..6.0216.021
101-200 stems/ha..10.41510.415
201-300 stems/ha..8.8178.817
301-400 stems/ha0.31008.2188.517
401-500 stems/ha..4.1264.126
501- 600 stems/ha0.31001.3491.644
more than 600 stems/ha......
total0.67038.7339.33
NE0-100 stems/ha..6.2216.221
101-200 stems/ha0.6709.3159.915
201-300 stems/ha0.31005.8216.121
301-400 stems/ha..3.2303.230
401-500 stems/ha..0.6700.670
501- 600 stems/ha..1.0571.057
more than 600 stems/ha..0.41000.4100
total1.05726.4527.44
NW0-100 stems/ha..1.5461.546
101-200 stems/ha..0.8690.869
201-300 stems/ha..1.5461.546
301-400 stems/ha0.8691.2551.940
401-500 stems/ha0.4100..0.4100
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha......
total1.2555.4176.513
OW0-100 stems/ha..4.5264.526
101-200 stems/ha0.7703.0333.729
201-300 stems/ha0.41003.4313.729
301-400 stems/ha0.41003.4313.729
401-500 stems/ha0.41001.5491.943
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..1.1571.157
total1.94317.2619.04
SG0-100 stems/ha0.41009.4189.818
101-200 stems/ha1.45011.61613.015
201-300 stems/ha1.15710.11711.216
301-400 stems/ha0.7706.5237.221
401-500 stems/ha..3.6313.631
501- 600 stems/ha..2.2402.240
more than 600 stems/ha..2.5372.537
total3.63145.9549.54
SH0-100 stems/ha..3.9263.926
101-200 stems/ha..3.6273.627
201-300 stems/ha..2.1382.138
301-400 stems/ha..1.8421.842
401-500 stems/ha..0.7700.770
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..12.8312.83
SO0-100 stems/ha..6.1236.123
101-200 stems/ha..7.2207.220
201-300 stems/ha..9.5189.518
301-400 stems/ha..5.7245.724
401-500 stems/ha..1.5491.549
501- 600 stems/ha..1.5491.549
more than 600 stems/ha......
total..31.4431.44
SZ0-100 stems/ha0.41003.3323.630
101-200 stems/ha0.7708.3189.117
201-300 stems/ha0.41005.8236.222
301-400 stems/ha0.7702.9343.630
401-500 stems/ha..2.5362.536
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total2.24023.5625.75
TG0-100 stems/ha..8.1158.115
101-200 stems/ha..4.5234.523
201-300 stems/ha..4.9234.923
301-400 stems/ha..3.0303.030
401-500 stems/ha..0.6700.670
501- 600 stems/ha......
more than 600 stems/ha......
total..21.0421.04
TI0-100 stems/ha2.53848.7751.27
101-200 stems/ha3.63118.51322.112
201-300 stems/ha1.84412.21614.015
301-400 stems/ha..7.2227.222
401-500 stems/ha..1.1581.158
501- 600 stems/ha......
more than 600 stems/ha0.4100..0.4100
total8.32087.6495.94
UR0-100 stems/ha..4.7254.725
101-200 stems/ha..1.7431.743
201-300 stems/ha1.0572.0393.031
301-400 stems/ha1.0571.0572.039
401-500 stems/ha0.7701.0581.744
501- 600 stems/ha0.31000.7701.057
more than 600 stems/ha..0.31000.3100
total3.03111.41414.311
VD0-100 stems/ha0.410025.31125.711
101-200 stems/ha0.410020.91221.312
201-300 stems/ha1.55025.11126.610
301-400 stems/ha0.87110.21811.018
401-500 stems/ha..4.5284.528
501- 600 stems/ha0.8711.5502.340
more than 600 stems/ha..1.9451.945
total3.83189.4393.23
VS0-100 stems/ha5.22529.21034.39
101-200 stems/ha5.82419.21225.011
201-300 stems/ha7.92012.41620.212
301-400 stems/ha3.1334.5277.521
401-500 stems/ha1.7442.4384.128
501- 600 stems/ha0.31001.4501.745
more than 600 stems/ha0.31000.31000.771
total24.41169.3593.73
ZG0-100 stems/ha..2.1372.137
101-200 stems/ha..1.3531.353
201-300 stems/ha..1.3531.353
301-400 stems/ha..0.9680.968
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..5.695.69
ZH0-100 stems/ha..12.71512.715
101-200 stems/ha..11.31611.316
201-300 stems/ha..12.31512.315
301-400 stems/ha..8.8188.818
401-500 stems/ha..2.5372.537
501- 600 stems/ha..1.8441.844
more than 600 stems/ha..1.1571.157
total..50.4250.42
Switzerland0-100 stems/ha18.714283.73302.43
101-200 stems/ha23.612241.43265.03
201-300 stems/ha22.312207.54229.94
301-400 stems/ha12.916130.85143.75
401-500 stems/ha8.02162.5770.57
501- 600 stems/ha3.83030.61134.410
more than 600 stems/ha1.05817.01418.014
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155093/141472

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha15.410.0..11.45.420.03.034.48.020.62.5
101-200 stems/ha30.812.8..25.77.422.33.142.88.426.02.7
201-300 stems/ha23.111.7..14.35.929.13.414.35.924.72.7
301-400 stems/ha23.011.7..25.77.414.32.6..14.42.2
401-500 stems/ha7.77.4..14.35.99.12.22.92.88.91.8
501- 600 stems/ha....8.64.74.01.52.92.84.31.3
more than 600 stems/ha......1.10.82.92.81.20.7
total100.0...100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.31.924.91.720.11.733.21.754.72.929.10.9
101-200 stems/ha26.61.921.11.625.71.928.31.719.82.324.80.8
201-300 stems/ha26.01.924.21.721.61.818.11.413.92.021.30.8
301-400 stems/ha14.51.517.91.514.61.59.91.18.61.613.50.7
401-500 stems/ha4.60.97.61.09.61.36.30.92.00.86.40.5
501- 600 stems/ha3.40.82.60.65.41.02.60.61.00.63.20.3
more than 600 stems/ha1.50.51.70.53.00.71.60.5..1.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.11.824.91.719.51.730.61.552.62.728.30.8
101-200 stems/ha26.71.921.11.625.71.827.21.522.22.324.90.8
201-300 stems/ha25.91.924.21.721.11.720.21.314.01.921.60.8
301-400 stems/ha14.71.517.91.515.31.510.81.07.71.513.50.6
401-500 stems/ha4.70.97.61.09.91.36.80.82.10.86.60.5
501- 600 stems/ha3.40.82.60.65.61.02.90.61.20.63.30.3
more than 600 stems/ha1.50.51.70.52.80.71.50.40.30.31.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155094/141473

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.771..1.45012.1174.32918.614
101-200 stems/ha1.550..3.23313.5165.32523.512
201-300 stems/ha1.158..1.84517.6141.84522.312
301-400 stems/ha1.158..3.2338.620..13.016
401-500 stems/ha0.4100..1.8455.5250.41008.021
501- 600 stems/ha....1.1582.4380.41003.930
more than 600 stems/ha......0.7710.41001.058
total4.727..12.61660.5712.41690.36
outside perimeter0-100 stems/ha44.5856.2738.6984.3658.46282.13
101-200 stems/ha50.7747.8849.4872.0621.112241.03
201-300 stems/ha49.6854.8741.5846.0814.915206.84
301-400 stems/ha27.71140.4928.11125.2119.219130.75
401-500 stems/ha8.82017.21418.41315.9142.14162.47
501- 600 stems/ha6.6236.02410.5186.6231.15830.611
more than 600 stems/ha2.9353.9305.8254.129..16.714
total190.92226.31192.12254.22106.94970.41
total0-100 stems/ha45.3856.2740.0996.4562.76300.63
101-200 stems/ha52.2747.8852.6785.5626.511264.53
201-300 stems/ha50.7754.8743.3863.6716.614229.14
301-400 stems/ha28.81040.4931.41033.9109.219143.75
401-500 stems/ha9.12017.21420.21321.5122.53870.57
501- 600 stems/ha6.6236.02411.5179.0191.45034.510
more than 600 stems/ha2.9353.9305.8254.8270.410017.814
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155095/141474

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha15.410.014.34.712.85.421.24.925.06.534.48.020.62.5
101-200 stems/ha30.712.819.65.325.67.023.95.122.76.342.88.426.02.7
201-300 stems/ha23.111.723.25.620.56.532.45.627.36.714.35.924.72.7
301-400 stems/ha23.211.723.25.620.56.512.73.99.14.3..14.42.2
401-500 stems/ha7.77.412.54.412.85.47.03.09.14.32.92.88.91.8
501- 600 stems/ha..5.43.07.74.31.41.46.83.82.92.84.31.3
more than 600 stems/ha..1.81.8..1.41.4..2.92.81.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha24.21.323.52.022.12.442.13.530.12.754.72.929.10.9
101-200 stems/ha23.61.226.52.024.42.527.73.230.92.719.82.324.80.8
201-300 stems/ha25.01.322.01.919.72.317.82.716.62.213.92.021.30.8
301-400 stems/ha16.41.114.21.612.41.96.41.711.51.98.61.613.50.7
401-500 stems/ha6.30.77.21.211.71.93.51.37.11.52.00.86.40.5
501- 600 stems/ha3.00.55.11.04.71.22.01.02.00.81.00.63.10.3
more than 600 stems/ha1.60.41.50.65.01.30.50.51.70.8..1.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha24.11.222.51.821.02.236.62.929.42.552.62.728.40.8
101-200 stems/ha23.61.225.81.924.62.326.72.729.82.522.22.324.90.8
201-300 stems/ha25.01.322.21.819.82.221.62.518.02.114.01.921.60.8
301-400 stems/ha16.41.115.21.613.31.98.01.611.21.77.71.513.60.6
401-500 stems/ha6.30.77.81.211.91.84.41.27.41.42.10.86.60.5
501- 600 stems/ha3.00.55.11.05.01.21.90.82.70.91.20.63.20.3
more than 600 stems/ha1.60.41.50.54.41.10.70.51.50.70.30.31.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155096/141475

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.7712.9351.7445.2253.9304.32918.614
101-200 stems/ha1.4504.0303.4315.8243.5315.32523.512
201-300 stems/ha1.1584.7272.8357.9204.2281.84522.412
301-400 stems/ha1.1584.7272.8353.1331.450..13.016
401-500 stems/ha0.41002.5381.7441.7441.4500.41008.121
501- 600 stems/ha..1.1581.0580.31001.1580.41003.930
more than 600 stems/ha..0.4100..0.3100..0.41001.158
total4.72820.21313.41524.41115.51412.41690.56
outside perimeter0-100 stems/ha100.9540.0922.81229.21031.21058.46282.43
101-200 stems/ha98.4545.1825.21119.21232.0921.112241.03
201-300 stems/ha104.4537.5920.31212.41617.21314.915206.84
301-400 stems/ha68.3724.21212.8164.52711.9169.219130.95
401-500 stems/ha26.11112.31712.1162.4387.4212.14162.47
501- 600 stems/ha12.5178.7204.8261.4502.1411.15830.611
more than 600 stems/ha6.8232.5385.2250.31001.845..16.614
total417.41170.22103.2369.35103.63106.94970.61
total0-100 stems/ha101.6542.9824.51134.3935.0962.76301.13
101-200 stems/ha99.8549.0828.71025.01135.5926.511264.53
201-300 stems/ha105.5542.2823.11120.21221.41216.614229.14
301-400 stems/ha69.4728.81015.5147.52113.4169.219143.95
401-500 stems/ha26.51114.81513.8154.1288.8192.53870.57
501- 600 stems/ha12.5179.7195.9241.7453.2331.45034.410
more than 600 stems/ha6.8232.9355.2250.7711.8450.410017.714
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155097/141476

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified) %± %± %±
Western Jura0-100 stems/ha15.310.022.52.122.32.0
101-200 stems/ha30.712.826.02.226.12.2
201-300 stems/ha23.011.727.72.227.62.2
301-400 stems/ha23.311.814.11.714.41.7
401-500 stems/ha7.77.44.51.04.61.0
501- 600 stems/ha..3.50.93.40.9
more than 600 stems/ha..1.70.71.70.6
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha..26.14.026.14.0
101-200 stems/ha..28.64.128.64.1
201-300 stems/ha..20.23.720.23.7
301-400 stems/ha..16.03.416.03.4
401-500 stems/ha..4.92.04.92.0
501- 600 stems/ha..3.41.73.41.7
more than 600 stems/ha..0.80.80.80.8
total..100.0.100.0.
Western Plateau0-100 stems/ha..23.34.023.34.0
101-200 stems/ha..20.13.820.13.8
201-300 stems/ha..19.23.719.23.7
301-400 stems/ha..16.53.516.53.5
401-500 stems/ha..10.52.910.52.9
501- 600 stems/ha..5.22.15.22.1
more than 600 stems/ha..5.12.05.12.0
total..100.0.100.0.
Central Plateau0-100 stems/ha..21.42.821.42.8
101-200 stems/ha..20.32.720.32.7
201-300 stems/ha..27.23.027.23.0
301-400 stems/ha..18.92.618.92.6
401-500 stems/ha..8.61.98.61.9
501- 600 stems/ha..2.31.02.31.0
more than 600 stems/ha..1.40.81.40.8
total..100.0.100.0.
Eastern Plateau0-100 stems/ha..27.92.627.92.6
101-200 stems/ha..22.12.422.12.4
201-300 stems/ha..24.02.424.02.4
301-400 stems/ha..17.52.217.52.2
401-500 stems/ha..5.81.35.81.3
501- 600 stems/ha..1.90.81.90.8
more than 600 stems/ha..0.60.50.60.5
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha37.117.129.14.529.74.4
101-200 stems/ha12.611.820.34.019.83.8
201-300 stems/ha25.115.417.53.818.03.7
301-400 stems/ha12.611.812.63.312.63.2
401-500 stems/ha..11.73.210.83.0
501- 600 stems/ha12.611.84.92.15.42.2
more than 600 stems/ha..3.91.93.61.8
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha5.35.117.62.416.72.3
101-200 stems/ha31.610.729.02.929.22.8
201-300 stems/ha15.88.424.12.723.52.6
301-400 stems/ha26.310.117.12.417.82.4
401-500 stems/ha15.88.46.11.56.81.6
501- 600 stems/ha5.35.15.31.45.31.4
more than 600 stems/ha..0.80.60.80.5
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..18.42.917.62.7
101-200 stems/ha25.015.324.33.224.33.1
201-300 stems/ha..20.53.019.72.9
301-400 stems/ha37.517.112.42.413.52.5
401-500 stems/ha25.015.313.02.513.52.5
501- 600 stems/ha12.511.75.91.76.21.7
more than 600 stems/ha..5.41.75.21.6
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha13.86.430.64.227.53.6
101-200 stems/ha13.86.426.64.024.23.5
201-300 stems/ha27.68.321.83.722.93.4
301-400 stems/ha24.18.09.72.712.42.7
401-500 stems/ha13.86.45.72.17.22.1
501- 600 stems/ha3.43.44.81.94.61.7
more than 600 stems/ha3.43.40.80.81.30.9
total100.0.100.0.100.0.
Central Alps0-100 stems/ha7.16.932.26.626.75.6
101-200 stems/ha14.39.421.95.920.25.0
201-300 stems/ha28.612.119.95.721.85.2
301-400 stems/ha28.612.110.04.214.04.3
401-500 stems/ha14.39.46.13.47.93.4
501- 600 stems/ha7.16.94.02.84.72.6
more than 600 stems/ha..6.03.44.72.6
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha23.510.323.85.423.84.8
101-200 stems/ha35.311.627.05.628.85.1
201-300 stems/ha23.510.317.44.818.74.4
301-400 stems/ha5.95.714.34.412.53.7
401-500 stems/ha5.95.712.74.211.23.5
501- 600 stems/ha5.95.71.61.62.51.8
more than 600 stems/ha..3.22.22.51.8
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha21.24.942.13.536.62.9
101-200 stems/ha23.95.127.73.226.72.7
201-300 stems/ha32.45.617.82.721.62.5
301-400 stems/ha12.73.96.41.78.01.6
401-500 stems/ha7.03.03.51.34.41.2
501- 600 stems/ha1.41.42.01.01.90.8
more than 600 stems/ha1.41.40.50.50.70.5
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha25.06.530.12.729.42.5
101-200 stems/ha22.76.330.92.729.82.5
201-300 stems/ha27.36.716.62.218.02.1
301-400 stems/ha9.14.311.51.911.21.7
401-500 stems/ha9.14.37.11.57.41.4
501- 600 stems/ha6.83.82.00.82.70.9
more than 600 stems/ha..1.70.81.50.7
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha34.48.054.72.952.62.7
101-200 stems/ha42.88.419.82.322.22.3
201-300 stems/ha14.35.913.92.014.01.9
301-400 stems/ha..8.61.67.71.5
401-500 stems/ha2.92.82.00.82.10.8
501- 600 stems/ha2.92.81.00.61.20.6
more than 600 stems/ha2.92.8..0.30.3
total100.0.100.0.100.0.
Switzerland0-100 stems/ha20.62.529.10.928.40.8
101-200 stems/ha26.02.724.90.825.00.8
201-300 stems/ha24.72.721.20.821.50.7
301-400 stems/ha14.42.213.40.713.50.6
401-500 stems/ha8.91.86.40.56.70.5
501- 600 stems/ha4.31.33.20.33.30.3
more than 600 stems/ha1.20.71.70.31.70.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155098/141477
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