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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a....3.81.93.12.15.43.7..3.11.1
crowded30.712.8..30.84.517.94.78.14.516.26.122.12.6
normal23.011.7..22.14.114.94.416.26.119.16.519.12.4
loose15.410.0..10.63.014.94.413.55.68.14.512.02.0
open15.410.0..10.63.020.95.021.66.824.37.017.02.3
scattered....6.72.57.53.22.72.78.14.56.21.5
grouped crowded....3.81.91.51.58.14.5..3.11.1
grouped normal7.87.5..7.72.63.02.121.66.813.55.69.41.8
heterogeneous7.77.4..3.81.916.44.52.72.710.85.18.11.7
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.80.32.10.52.81.23.41.21.30.61.50.2
crowded30.52.030.41.726.21.621.63.16.81.640.12.827.70.8
normal32.62.140.01.824.31.514.42.611.82.120.22.327.80.8
loose10.01.312.51.28.21.07.31.99.31.94.91.29.30.6
open13.71.511.01.215.21.319.53.026.62.911.41.814.60.7
scattered4.30.92.80.67.91.013.32.519.02.67.41.57.10.5
grouped crowded0.80.40.30.25.50.83.31.36.31.66.81.43.30.3
grouped normal1.40.50.60.35.50.83.31.312.32.15.91.33.90.4
heterogeneous6.31.11.70.55.10.814.52.64.61.42.00.84.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.30.52.91.13.71.11.20.61.70.2
crowded30.52.030.41.726.71.520.62.67.01.537.52.627.20.8
normal32.42.040.01.824.01.414.62.212.42.020.12.227.10.8
loose10.11.312.51.28.50.99.41.99.91.85.21.29.60.5
open13.71.511.01.214.71.219.82.525.92.712.81.814.80.6
scattered4.20.92.80.67.80.911.72.016.82.37.51.47.10.5
grouped crowded0.80.40.30.25.30.82.81.16.51.56.11.33.30.3
grouped normal1.50.50.60.35.80.83.21.113.52.16.71.34.40.4
heterogeneous6.31.11.70.55.00.715.02.34.41.22.90.94.90.4
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 #163417/149797

NFI4b

forest area: avalanches 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 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....1.4500.7710.771..2.835
crowded1.450..11.3174.1281.1582.14120.113
normal1.158..8.2213.4312.1412.53817.314
loose0.771..3.9303.4311.8441.15810.918
open0.771..3.9304.8262.8353.23315.415
scattered....2.5381.7440.41001.1585.625
grouped crowded....1.4500.31001.158..2.835
grouped normal0.4100..2.8350.7712.8351.8458.520
heterogeneous0.4100..1.4503.8300.41001.4507.322
total4.727..36.9922.91113.11613.21690.86
outside perimetern/a1.1582.1415.8251.7442.8351.45014.915
crowded56.2777.1672.8613.3155.72543.88268.93
normal60.17101.5567.478.9199.91822.012269.83
loose18.41331.81022.7124.5277.8215.32590.56
open25.21127.91142.2912.01622.21212.516142.15
scattered7.9217.12222.1128.22015.9148.12069.37
grouped crowded1.4500.77115.4152.1415.3257.42132.310
grouped normal2.5381.45015.3152.14110.3186.42337.99
heterogeneous11.5174.22914.2168.9193.9302.14144.99
total184.52253.91277.7261.6583.64109.24970.61
totaln/a1.1582.1417.2222.4383.5311.45017.714
crowded57.6777.1684.1617.4136.72246.08289.03
normal61.26101.5575.5612.31612.01624.611287.13
loose19.11331.81026.6117.9209.5196.423101.46
open25.91127.91146.1816.81325.11115.714157.54
scattered7.9217.12224.5129.91816.2149.21974.97
grouped crowded1.4500.77116.8142.4376.3237.42135.110
grouped normal2.9351.45018.1142.73513.1168.22046.49
heterogeneous11.9174.22915.61512.7164.2283.63152.28
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163418/149798

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure %± %± %±
AGn/a..0.80.80.80.8
crowded..30.64.230.64.2
normal..44.64.544.64.5
loose..13.23.113.23.1
open..9.12.69.12.6
scattered..0.80.80.80.8
grouped crowded......
grouped normal......
heterogeneous..0.80.80.80.8
total..100.0.100.0.
AIn/a..8.38.26.76.6
crowded33.328.058.314.553.313.2
normal..16.711.113.39.0
loose66.727.9..13.39.0
open..8.38.26.76.6
scattered......
grouped crowded..8.38.26.76.6
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
ARn/a......
crowded..45.810.444.010.1
normal100.0.37.510.040.09.9
loose......
open..4.24.24.04.0
scattered..8.35.78.05.5
grouped crowded......
grouped normal..4.24.24.04.0
heterogeneous......
total100.0.100.0.100.0.
BEn/a7.34.11.60.62.10.7
crowded21.96.525.42.125.12.0
normal17.05.930.22.229.12.1
loose7.34.18.51.38.41.3
open17.25.915.91.816.01.7
scattered4.93.44.41.04.40.9
grouped crowded2.42.42.80.82.70.7
grouped normal17.25.93.20.94.51.0
heterogeneous4.93.47.91.37.61.2
total100.0.100.0.100.0.
BL/BSn/a......
crowded..33.87.033.87.0
normal..47.07.347.07.3
loose..12.84.912.84.9
open..4.33.04.33.0
scattered..2.12.12.12.1
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
FRn/a33.327.31.91.32.71.6
crowded33.327.334.64.634.64.6
normal..23.34.122.74.0
loose..12.23.211.83.1
open..8.42.78.12.6
scattered33.327.310.32.910.93.0
grouped crowded..5.62.25.52.2
grouped normal..2.81.62.71.6
heterogeneous..0.90.90.90.9
total100.0.100.0.100.0.
GEn/a..21.019.921.019.9
crowded..58.123.758.123.7
normal..21.019.921.019.9
loose......
open......
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
GLn/a......
crowded30.014.635.58.734.17.5
normal20.012.812.96.114.65.6
loose..6.54.54.93.4
open10.09.616.16.714.65.6
scattered..12.96.19.84.7
grouped crowded20.012.812.96.114.65.6
grouped normal20.012.83.23.27.34.1
heterogeneous......
total100.0.100.0.100.0.
GRn/a3.62.53.41.03.40.9
crowded12.54.412.01.712.01.6
normal19.75.314.51.915.21.8
loose12.54.410.51.610.81.5
open21.45.522.72.222.52.1
scattered5.43.016.22.014.71.8
grouped crowded5.43.06.21.36.11.2
grouped normal14.34.710.51.611.01.6
heterogeneous5.43.04.01.04.21.0
total100.0.100.0.100.0.
JUn/a......
crowded..37.65.336.75.2
normal50.035.530.65.031.15.0
loose..13.03.712.73.6
open..9.43.29.23.1
scattered..3.52.03.52.0
grouped crowded......
grouped normal..1.21.21.21.2
heterogeneous50.035.54.72.35.82.5
total100.0.100.0.100.0.
LUn/a..0.80.80.80.8
crowded50.035.529.34.129.74.1
normal50.035.534.84.335.14.3
loose..7.32.37.22.3
open..18.63.518.33.5
scattered..2.41.42.41.4
grouped crowded..0.80.80.80.8
grouped normal..1.61.11.61.1
heterogeneous..4.21.94.11.8
total100.0.100.0.100.0.
NEn/a......
crowded..16.04.115.54.0
normal..25.54.824.64.7
loose33.327.412.13.612.93.6
open66.727.316.04.117.84.2
scattered..2.41.72.31.6
grouped crowded..1.21.21.21.2
grouped normal..6.12.65.92.6
heterogeneous..20.64.519.94.3
total100.0.100.0.100.0.
NWn/a......
crowded33.327.835.713.135.311.8
normal..35.713.129.411.3
loose......
open33.327.821.411.223.510.5
scattered..7.17.05.95.8
grouped crowded......
grouped normal......
heterogeneous33.327.8..5.95.8
total100.0.100.0.100.0.
OWn/a..4.22.93.82.6
crowded80.018.017.45.623.66.0
normal..32.77.029.56.4
loose..2.22.22.02.0
open20.018.117.45.617.75.4
scattered..13.15.011.84.6
grouped crowded..4.43.03.92.7
grouped normal..2.22.22.02.0
heterogeneous..6.53.75.93.3
total100.0.100.0.100.0.
SGn/a..1.51.11.41.0
crowded40.015.528.44.029.23.9
normal30.014.534.74.234.34.1
loose20.012.76.32.27.32.2
open..10.22.79.52.5
scattered10.09.56.32.26.62.1
grouped crowded..4.71.94.41.8
grouped normal..7.12.36.52.1
heterogeneous..0.80.80.70.7
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......
crowded..25.34.825.34.8
normal..41.05.441.05.4
loose..12.03.612.03.6
open..15.74.015.74.0
scattered..6.02.66.02.6
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
SZn/a..4.62.64.22.4
crowded16.715.329.25.728.25.4
normal33.319.326.15.526.85.3
loose16.715.39.23.69.93.6
open16.715.39.23.69.93.6
scattered16.715.36.23.07.03.1
grouped crowded..3.12.22.82.0
grouped normal..7.73.37.03.1
heterogeneous..4.62.64.22.4
total100.0.100.0.100.0.
TGn/a......
crowded..27.45.427.45.4
normal..35.65.735.65.7
loose..21.34.921.34.9
open..10.03.610.03.6
scattered..4.32.44.32.4
grouped crowded......
grouped normal..1.41.41.41.4
heterogeneous......
total..100.0.100.0.
TIn/a..0.40.40.40.4
crowded17.47.943.33.241.13.0
normal17.58.019.62.519.42.4
loose8.75.94.11.34.51.3
open21.78.611.92.112.72.0
scattered8.75.95.71.55.91.4
grouped crowded..6.91.66.31.5
grouped normal17.47.96.11.57.11.6
heterogeneous8.75.92.00.92.61.0
total100.0.100.0.100.0.
URn/a......
crowded11.110.538.28.432.67.2
normal44.416.714.56.020.76.2
loose22.213.96.24.39.54.6
open..14.56.011.54.9
scattered11.110.58.74.89.24.4
grouped crowded..5.84.04.63.2
grouped normal11.110.56.24.37.24.0
heterogeneous..5.84.04.63.2
total100.0.100.0.100.0.
VDn/a..1.30.71.20.7
crowded50.015.831.03.031.73.0
normal30.014.532.63.132.53.0
loose10.09.57.71.77.71.7
open..13.62.213.02.2
scattered..7.61.77.31.6
grouped crowded10.09.52.10.92.41.0
grouped normal..0.80.60.80.6
heterogeneous..3.41.23.31.1
total100.0.100.0.100.0.
VSn/a2.92.02.51.12.61.0
crowded21.14.823.73.023.12.6
normal14.14.114.32.514.32.1
loose14.14.16.51.78.51.7
open19.74.720.32.820.12.4
scattered7.03.012.92.411.31.9
grouped crowded1.41.44.01.43.31.1
grouped normal2.82.03.01.22.91.0
heterogeneous16.94.412.92.413.92.1
total100.0.100.0.100.0.
ZGn/a..7.77.77.77.7
crowded......
normal..30.813.230.813.2
loose..30.813.230.813.2
open..7.77.77.77.7
scattered..7.77.77.77.7
grouped crowded..7.77.77.77.7
grouped normal......
heterogeneous..7.77.77.77.7
total..100.0.100.0.
ZHn/a......
crowded..27.33.727.33.7
normal..36.44.036.44.0
loose..16.83.116.83.1
open..14.02.914.02.9
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/a3.11.11.50.21.70.2
crowded22.32.627.80.927.40.8
normal19.02.427.90.827.20.8
loose11.82.09.30.69.60.5
open17.02.314.50.714.70.6
scattered6.21.57.10.57.10.5
grouped crowded3.21.13.30.33.30.3
grouped normal9.31.83.80.44.30.4
heterogeneous8.11.74.50.44.80.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163419/149799

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.41000.4100
crowded..14.91414.914
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..48.7248.72
AIn/a..0.31000.3100
crowded0.31002.3302.627
normal..0.6690.669
loose0.669..0.669
open..0.31000.3100
scattered......
grouped crowded..0.31000.3100
grouped normal......
heterogeneous......
total1.0543.9174.811
ARn/a......
crowded..3.5233.523
normal0.31002.9273.225
loose......
open..0.31000.3100
scattered..0.6690.669
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total0.31007.768.05
BEn/a1.0582.4383.431
crowded3.13337.7940.78
normal2.43844.8847.27
loose1.05812.71613.715
open2.43823.61126.011
scattered0.7716.5237.221
grouped crowded0.31004.1294.427
grouped normal2.4384.8267.222
heterogeneous0.77111.61712.316
total14.115148.22162.32
BL/BSn/a......
crowded..6.4226.422
normal..9.0179.017
loose..2.4392.439
open..0.8700.870
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total..19.1619.16
FRn/a0.41000.7701.157
crowded0.410013.81414.213
normal..9.3189.318
loose..4.9264.926
open..3.3323.332
scattered0.41004.1294.527
grouped crowded..2.2402.240
grouped normal..1.1571.157
heterogeneous..0.41000.4100
total1.15740.0441.13
GEn/a..0.51000.5100
crowded..1.3541.354
normal..0.51000.5100
loose......
open......
scattered......
grouped crowded......
grouped normal......
heterogeneous......
total..2.2342.234
GLn/a......
crowded1.2574.2275.423
normal0.8701.5492.339
loose..0.8700.870
open0.41001.9432.339
scattered..1.5491.549
grouped crowded0.8701.5492.339
grouped normal0.8700.41001.257
heterogeneous......
total3.92911.91215.88
GRn/a0.7714.2294.926
crowded2.43814.71517.114
normal3.93017.81321.612
loose2.43812.91615.414
open4.22927.91032.110
scattered1.05819.91320.912
grouped crowded1.0587.6218.720
grouped normal2.83512.91615.714
heterogeneous1.0584.9265.924
total19.613122.83142.33
JUn/a......
crowded..12.41512.415
normal0.410010.11710.516
loose..4.3284.328
open..3.1343.134
scattered..1.2571.257
grouped crowded......
grouped normal..0.41000.4100
heterogeneous0.41001.6491.944
total0.87033.1333.93
LUn/a..0.31000.3100
crowded0.310011.41511.714
normal0.310013.51313.812
loose..2.8322.832
open..7.2197.219
scattered..0.9570.957
grouped crowded..0.31000.3100
grouped normal..0.6700.670
heterogeneous..1.6441.644
total0.67038.7339.33
NEn/a......
crowded..4.2264.226
normal..6.7196.719
loose0.31003.2303.528
open0.6704.2264.924
scattered..0.6700.670
grouped crowded..0.31000.3100
grouped normal..1.6441.644
heterogeneous..5.4225.422
total1.05726.4527.44
NWn/a......
crowded0.41001.9402.336
normal..1.9401.940
loose......
open0.41001.2551.546
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous0.4100..0.4100
total1.2555.4176.513
OWn/a..0.7710.771
crowded1.5493.0334.526
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
total1.94317.2619.04
SGn/a..0.7710.771
crowded1.45013.01514.514
normal1.15715.91317.012
loose0.7702.9353.631
open..4.7274.727
scattered0.41002.9353.333
grouped crowded..2.2402.240
grouped normal..3.2333.233
heterogeneous..0.41000.4100
total3.63145.9549.54
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......
crowded..7.9197.919
normal..12.91412.914
loose..3.8303.830
open..4.9264.926
scattered..1.9441.944
grouped crowded......
grouped normal......
heterogeneous......
total..31.4431.44
SZn/a..1.1571.157
crowded0.41006.9217.220
normal0.7706.2226.920
loose0.41002.2402.536
open0.41002.2402.536
scattered0.41001.4491.844
grouped crowded..0.7700.770
grouped normal..1.8441.844
heterogeneous..1.1571.157
total2.24023.5625.75
TGn/a......
crowded..5.8205.820
normal..7.5167.516
loose..4.5234.523
open..2.1362.136
scattered..0.9570.957
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total..21.0421.04
TIn/a..0.41000.4100
crowded1.45038.0839.48
normal1.45017.21418.613
loose0.7713.6314.328
open1.84410.41812.216
scattered0.7715.0265.725
grouped crowded..6.0246.024
grouped normal1.4505.4256.822
heterogeneous0.7711.8442.537
total8.32087.6495.94
URn/a......
crowded0.31004.3264.725
normal1.3491.7433.031
loose0.7700.7711.450
open..1.7431.743
scattered0.31001.0571.349
grouped crowded..0.7700.770
grouped normal0.31000.7711.058
heterogeneous..0.7700.770
total3.03111.41414.311
VDn/a..1.1581.158
crowded1.94427.71029.610
normal1.15829.21030.310
loose0.41006.8237.222
open..12.11712.117
scattered..6.8236.823
grouped crowded0.41001.9452.341
grouped normal..0.7710.771
heterogeneous..3.0353.035
total3.83189.4393.23
VSn/a0.7711.7442.438
crowded5.12516.51421.612
normal3.4319.91813.415
loose3.4314.5277.920
open4.82614.11518.913
scattered1.7448.91910.617
grouped crowded0.31002.7353.133
grouped normal0.7712.1412.735
heterogeneous4.1288.91913.015
total24.41169.3593.73
ZGn/a..0.41000.4100
crowded......
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..5.695.69
ZHn/a......
crowded..13.71413.714
normal..18.31118.311
loose..8.5198.519
open..7.0217.021
scattered..1.1571.157
grouped crowded..0.41000.4100
grouped normal..0.7700.770
heterogeneous..0.7700.770
total..50.4250.42
Switzerlandn/a2.83515.01517.814
crowded20.213270.93291.13
normal17.214272.13289.33
loose10.71891.06101.76
open15.315141.45156.74
scattered5.62569.5775.17
grouped crowded2.93532.21035.110
grouped normal8.42037.5945.99
heterogeneous7.32244.1951.48
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163420/149800

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %±
inside perimetern/a....5.73.93.51.4..3.11.1
crowded30.812.8..34.38.020.63.114.35.922.22.6
normal23.111.7..8.64.720.63.120.26.819.02.4
loose15.410.0..14.35.912.02.58.64.712.02.0
open15.410.0..14.35.916.02.825.77.417.12.3
scattered....5.73.96.91.95.73.96.21.5
grouped crowded......4.61.6..3.11.1
grouped normal7.67.3..8.64.78.62.114.35.99.31.8
heterogeneous7.77.4..8.64.77.42.011.45.48.11.7
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.90.42.10.62.50.61.30.71.50.2
crowded30.22.030.01.825.31.920.51.540.12.827.70.9
normal34.62.138.71.928.92.015.81.319.92.327.90.8
loose10.11.313.01.37.51.18.61.05.01.39.30.6
open13.01.512.11.314.81.519.21.511.61.814.60.7
scattered3.60.83.10.76.91.113.41.37.21.57.10.5
grouped crowded0.60.30.30.23.60.86.30.96.91.53.30.3
grouped normal1.30.50.60.34.90.97.10.96.01.43.90.4
heterogeneous5.91.01.20.46.01.06.80.92.00.84.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.90.42.30.62.70.51.20.61.70.2
crowded30.22.030.01.825.91.820.51.337.42.627.30.8
normal34.32.138.71.927.61.916.71.219.92.227.10.8
loose10.31.313.01.37.91.19.21.05.31.29.50.5
open13.11.512.11.314.81.518.61.313.11.814.80.6
scattered3.50.83.10.76.91.112.11.17.11.47.00.5
grouped crowded0.60.30.30.23.30.85.90.86.21.33.30.3
grouped normal1.50.50.60.35.10.97.40.96.81.44.30.4
heterogeneous6.01.01.20.46.21.06.90.83.00.94.90.4
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 #163421/149801

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.7712.141..2.835
crowded1.550..4.32912.4161.84520.013
normal1.158..1.15812.4162.53817.114
loose0.771..1.8457.3221.15810.918
open0.771..1.8459.7193.23315.415
scattered....0.7714.1290.7715.625
grouped crowded......2.835..2.835
grouped normal0.4100..1.1585.2261.8458.420
heterogeneous0.4100..1.1584.5281.4507.422
total4.727..12.61660.5712.41690.36
outside perimetern/a1.1582.1414.0306.3231.45014.815
crowded57.7767.8648.7852.0842.98269.03
normal66.1687.5555.5740.1921.212270.43
loose19.31329.51014.41521.8125.32590.46
open24.81127.41128.51148.8812.416141.95
scattered6.9237.02213.31634.0107.72169.07
grouped crowded1.1580.7716.82315.9147.42132.010
grouped normal2.6381.4509.41918.0146.42337.710
heterogeneous11.3182.83511.51717.3142.14145.19
total190.92226.31192.12254.22106.94970.41
totaln/a1.1582.1414.7288.3201.45017.714
crowded59.1767.8653.0764.4744.68289.03
normal67.2687.5556.6752.6823.711287.63
loose20.11329.51016.21429.1116.423101.36
open25.51127.41130.31058.4715.614157.34
scattered6.9237.02214.11638.198.42074.67
grouped crowded1.1580.7716.82318.7137.42134.710
grouped normal2.9351.45010.41823.2128.12046.19
heterogeneous11.7172.83512.61621.8123.53152.48
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163422/149802

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a..7.13.4..2.92.04.53.1..3.11.1
crowded30.712.830.46.125.67.021.14.813.65.214.35.922.12.6
normal23.111.716.14.930.87.414.14.118.25.820.26.819.02.4
loose15.410.05.43.017.96.214.14.113.65.28.64.711.92.0
open15.410.016.14.95.13.519.74.718.25.825.77.417.12.3
scattered..5.43.07.74.37.03.06.83.85.73.96.21.5
grouped crowded..3.62.55.13.51.41.46.83.8..3.11.1
grouped normal7.87.510.74.17.74.32.82.015.95.514.35.99.41.8
heterogeneous7.77.45.43.0..16.94.42.32.211.45.48.11.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.80.31.70.62.40.92.51.13.11.01.30.71.50.2
crowded30.11.324.62.031.52.723.73.09.21.740.12.827.70.8
normal36.81.424.82.028.42.614.32.513.22.019.92.327.80.8
loose11.70.98.11.36.71.46.51.710.91.85.01.39.30.6
open12.51.015.91.710.01.720.32.825.12.511.61.814.60.7
scattered3.30.58.11.37.51.512.92.416.62.27.21.57.10.5
grouped crowded0.40.24.91.05.51.34.01.46.11.46.91.53.30.3
grouped normal0.90.34.20.96.11.43.01.211.51.96.01.43.90.4
heterogeneous3.30.57.81.22.00.812.92.44.41.22.00.84.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.32.30.62.10.82.61.03.21.01.20.61.70.2
crowded30.11.325.21.930.82.523.12.69.81.637.42.627.20.8
normal36.71.423.91.928.72.514.32.113.81.919.92.227.10.8
loose11.80.97.81.28.01.58.51.711.21.75.31.29.60.5
open12.51.015.91.69.51.620.12.424.22.313.11.814.80.6
scattered3.30.57.81.27.51.511.31.915.32.07.11.47.10.5
grouped crowded0.40.24.70.95.41.33.31.16.21.36.21.33.30.3
grouped normal1.00.34.90.96.31.32.91.012.11.86.81.44.40.4
heterogeneous3.40.57.61.21.80.713.92.14.11.13.00.94.90.4
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 #163423/149803

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..1.450..0.7710.771..2.935
crowded1.4506.1243.4315.1252.1411.84520.013
normal1.1583.2334.1283.4312.8352.53817.214
loose0.7711.1582.4383.4312.1411.15810.818
open0.7713.2330.7714.8262.8353.23315.415
scattered..1.1581.0581.7441.1580.7715.625
grouped crowded..0.7710.7710.31001.158..2.835
grouped normal0.41002.2411.0580.7712.5381.8458.520
heterogeneous0.41001.158..4.1280.41001.4507.322
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a3.2332.9352.4381.7443.2331.45014.815
crowded125.6541.8832.5916.5149.51942.98268.73
normal153.8442.2829.3109.91813.71521.212270.13
loose49.0813.7166.9224.52711.2175.32590.76
open52.2827.01110.31814.11526.01112.416142.15
scattered14.01613.7167.7218.91917.2147.72169.27
grouped crowded1.8458.3205.7252.7356.3237.42132.210
grouped normal3.9307.2226.3232.14112.0176.42337.89
heterogeneous14.01613.3162.1418.9194.6272.14145.09
total417.41170.22103.2369.35103.63106.94970.61
totaln/a3.2334.3292.4382.4383.9301.45017.714
crowded127.0548.0835.9921.61211.61744.68288.73
normal154.9445.4833.4913.41516.51423.711287.33
loose49.7814.8159.3197.92013.4166.423101.56
open52.9830.31011.01718.91328.81015.614157.54
scattered14.01614.8158.82010.61718.2138.42074.87
grouped crowded1.8459.0206.4233.1337.3217.42135.010
grouped normal4.3299.4197.3212.73514.4158.12046.39
heterogeneous14.31614.4152.14113.0154.9263.53152.38
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163424/149804

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..0.70.40.70.4
crowded30.712.828.52.228.52.2
normal23.011.730.92.330.72.3
loose15.310.09.41.59.61.4
open15.310.016.11.816.11.8
scattered..4.21.04.11.0
grouped crowded..0.80.40.70.4
grouped normal8.07.61.70.71.90.7
heterogeneous7.77.47.71.37.71.3
total100.0.100.0.100.0.
Eastern Juran/a......
crowded..36.14.436.14.4
normal..47.14.647.14.6
loose..12.63.112.63.1
open..2.51.42.51.4
scattered..1.71.21.71.2
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
Western Plateaun/a..3.51.73.51.7
crowded..40.14.640.14.6
normal..36.34.536.34.5
loose..8.72.68.72.6
open..7.02.47.02.4
scattered..2.61.52.61.5
grouped crowded..0.90.90.90.9
grouped normal......
heterogeneous..0.90.90.90.9
total..100.0.100.0.
Central Plateaun/a..0.50.50.50.5
crowded..28.63.128.63.1
normal..40.23.340.23.3
loose..10.42.110.42.1
open..14.12.314.12.3
scattered..4.51.44.51.4
grouped crowded......
grouped normal..0.50.50.50.5
heterogeneous..1.40.81.40.8
total..100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
crowded..27.32.527.32.5
normal..38.32.838.32.8
loose..16.62.116.62.1
open..12.71.912.71.9
scattered..2.30.92.30.9
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/a25.115.41.91.43.61.8
crowded37.717.224.34.225.24.1
normal..25.24.323.44.0
loose..9.72.99.02.7
open12.011.29.72.99.82.8
scattered12.611.814.63.514.43.3
grouped crowded..6.82.56.32.3
grouped normal12.611.84.92.15.42.2
heterogeneous..2.91.72.71.5
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.60.81.50.8
crowded31.610.721.22.622.02.6
normal5.35.126.92.825.42.7
loose10.57.16.91.67.21.6
open21.19.421.62.621.62.5
scattered5.35.14.91.44.91.3
grouped crowded..2.91.12.71.0
grouped normal10.57.13.31.13.81.2
heterogeneous15.88.410.62.011.01.9
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.71.22.61.1
crowded37.517.131.43.431.63.4
normal25.015.333.53.533.23.4
loose37.517.17.01.98.32.0
open..8.62.18.32.0
scattered..5.41.75.21.6
grouped crowded..2.71.22.61.1
grouped normal..7.01.96.71.8
heterogeneous..1.60.91.60.9
total100.0.100.0.100.0.
Northwestern Alpsn/a6.94.71.61.12.61.3
crowded27.68.331.54.230.73.7
normal27.68.320.23.621.63.3
loose3.43.48.92.67.82.2
open13.86.49.72.710.42.5
scattered3.43.48.92.67.92.2
grouped crowded6.94.77.22.37.22.1
grouped normal10.35.75.72.16.52.0
heterogeneous..6.42.25.21.8
total100.0.100.0.100.0.
Central Alpsn/a......
crowded7.16.936.06.829.75.7
normal42.913.321.95.926.55.5
loose21.411.06.13.49.53.7
open7.16.911.94.610.93.9
scattered14.39.46.03.47.83.4
grouped crowded..6.03.44.72.6
grouped normal7.16.96.13.46.43.1
heterogeneous..6.03.44.72.6
total100.0.100.0.100.0.
Northeastern Alpsn/a..3.22.22.51.7
crowded35.311.628.65.730.05.1
normal23.510.319.05.020.04.5
loose5.95.76.33.16.22.7
open5.95.712.74.211.23.5
scattered5.95.714.34.412.53.7
grouped crowded11.87.812.74.212.53.7
grouped normal11.87.83.22.25.02.4
heterogeneous......
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.02.51.12.61.0
crowded21.14.823.73.023.12.6
normal14.14.114.32.514.32.1
loose14.14.16.51.78.51.7
open19.74.720.32.820.12.4
scattered7.03.012.92.411.31.9
grouped crowded1.41.44.01.43.31.1
grouped normal2.82.03.01.22.91.0
heterogeneous16.94.412.92.413.92.1
total100.0.100.0.100.0.
Southeastern Alpsn/a4.53.13.11.03.21.0
crowded13.65.29.21.79.81.6
normal18.25.813.22.013.81.9
loose13.65.210.91.811.21.7
open18.25.825.12.524.22.3
scattered6.83.816.62.215.32.0
grouped crowded6.83.86.11.46.21.3
grouped normal15.95.511.51.912.11.8
heterogeneous2.32.24.41.24.11.1
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.71.20.6
crowded14.35.940.12.837.42.6
normal20.26.819.92.319.92.2
loose8.64.75.01.35.31.2
open25.77.411.61.813.11.8
scattered5.73.97.21.57.11.4
grouped crowded..6.91.56.21.3
grouped normal14.35.96.01.46.81.4
heterogeneous11.45.42.00.83.00.9
total100.0.100.0.100.0.
Switzerlandn/a3.21.11.50.21.70.2
crowded22.22.627.80.927.30.8
normal19.02.427.80.827.10.8
loose12.02.09.30.69.60.5
open17.02.314.50.714.70.6
scattered6.21.57.10.57.00.5
grouped crowded3.11.13.30.33.30.3
grouped normal9.41.83.90.44.40.4
heterogeneous8.11.74.60.44.90.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163425/149805

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
crowded1.45041.0842.58
normal1.15844.6845.78
loose0.77113.61614.315
open0.77123.21223.911
scattered..6.1246.124
grouped crowded..1.1581.158
grouped normal0.41002.5382.935
heterogeneous0.410011.11711.417
total4.627144.22148.92
Eastern Juran/a......
crowded..16.91316.913
normal..22.11022.110
loose..5.9245.924
open..1.2571.257
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total..47.0347.03
Western Plateaun/a..1.6491.649
crowded..18.91218.912
normal..17.11317.113
loose..4.1304.130
open..3.3343.334
scattered..1.2571.257
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..47.2447.24
Central Plateaun/a..0.31000.3100
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
total..68.7268.72
Eastern Plateaun/a..0.41000.4100
crowded..30.0930.09
normal..42.2742.27
loose..18.21318.213
open..13.91513.915
scattered..2.5372.537
grouped crowded..0.41000.4100
grouped normal..1.1581.158
heterogeneous..1.4501.450
total..110.12110.12
Western Pre-Alpsn/a0.7700.7701.549
crowded1.1579.31810.417
normal..9.6189.618
loose..3.7303.730
open0.41003.7314.029
scattered0.41005.6245.923
grouped crowded..2.6372.637
grouped normal0.41001.9442.240
heterogeneous..1.1571.157
total2.93538.1541.14
Central Pre-Alpsn/a..1.4501.450
crowded2.24018.61320.812
normal0.410023.71124.011
loose0.7716.1246.822
open1.45019.01220.412
scattered0.41004.3284.727
grouped crowded..2.5372.537
grouped normal0.7712.9353.631
heterogeneous1.1589.31910.418
total6.82287.8394.72
Eastern Pre-Alpsn/a..1.8441.844
crowded1.15720.71121.811
normal0.77122.11122.911
loose1.1574.6275.724
open..5.7245.724
scattered..3.6313.631
grouped crowded..1.8441.844
grouped normal..4.6274.627
heterogeneous..1.1571.157
total2.93566.1368.93
Northwestern Alpsn/a0.7710.7711.450
crowded2.93514.01516.813
normal2.9358.91911.816
loose0.41003.9294.328
open1.4504.3285.724
scattered0.41003.9304.328
grouped crowded0.7713.2333.929
grouped normal1.1572.5373.631
heterogeneous..2.9352.935
total10.41744.3654.74
Central Alpsn/a......
crowded0.31006.2226.621
normal2.1403.8295.822
loose1.0571.1582.140
open0.31002.1402.437
scattered0.7701.0571.744
grouped crowded..1.0571.057
grouped normal0.31001.1581.450
heterogeneous..1.0571.057
total4.82517.31122.18
Northeastern Alpsn/a..0.7710.771
crowded2.1406.4228.618
normal1.4494.3275.723
loose0.41001.4491.844
open0.41002.9343.232
scattered0.41003.2323.630
grouped crowded0.7702.9343.630
grouped normal0.7700.7701.449
heterogeneous......
total6.12222.6928.76
Southwestern Alpsn/a0.7711.7442.438
crowded5.12516.51421.612
normal3.4319.91813.415
loose3.4314.5277.920
open4.82614.11518.913
scattered1.7448.91910.617
grouped crowded0.31002.7353.133
grouped normal0.7712.1412.735
heterogeneous4.1288.91913.015
total24.41169.3593.73
Southeastern Alpsn/a0.7713.2333.930
crowded2.1419.51911.617
normal2.83513.71516.514
loose2.14111.21713.416
open2.83526.01128.810
scattered1.15817.21418.213
grouped crowded1.1586.3237.321
grouped normal2.53812.01714.415
heterogeneous0.41004.6274.926
total15.514103.63119.03
Southern Alpsn/a..1.4501.450
crowded1.84542.9844.68
normal2.53821.21223.711
loose1.1585.3256.423
open3.23312.41615.614
scattered0.7717.7218.420
grouped crowded..7.4217.421
grouped normal1.8456.4238.120
heterogeneous1.4502.1413.531
total12.416106.94119.33
Switzerlandn/a2.93515.11517.914
crowded20.113270.63290.73
normal17.214270.93288.13
loose10.81890.96101.76
open15.415141.45156.84
scattered5.62569.2774.87
grouped crowded2.83532.31035.110
grouped normal8.52037.9946.49
heterogeneous7.32244.9952.28
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163426/149806

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a....3.81.93.12.15.43.7..3.11.1
single-layered30.712.8..42.34.838.86.032.47.746.08.239.93.1
multi-layered46.113.8..38.54.834.35.840.58.140.68.138.43.0
stratified15.410.0..13.53.323.95.216.26.113.55.616.62.3
clustered structure7.87.5..1.91.3..5.43.7..2.00.9
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.80.32.10.52.81.23.41.21.30.61.50.2
single-layered30.32.032.71.836.41.743.33.739.73.236.82.835.10.9
multi-layered57.42.260.31.846.01.828.93.430.03.052.52.950.20.9
stratified11.31.46.10.914.61.324.43.224.02.88.71.612.50.6
clustered structure0.40.3..0.90.30.60.62.91.10.70.50.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.30.52.91.13.71.11.20.61.70.2
single-layered30.32.032.71.837.11.642.13.138.72.937.72.635.50.9
multi-layered57.12.260.31.845.11.730.42.931.42.851.22.749.20.9
stratified11.41.46.10.914.51.224.32.722.92.59.31.612.90.6
clustered structure0.60.3..1.00.30.40.43.31.10.60.40.80.2
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 #163427/149807

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....1.4500.7710.771..2.835
single-layered1.450..15.6158.9194.2286.12436.210
multi-layered2.241..14.2167.9205.3255.42534.910
stratified0.771..5.0275.5242.1411.84515.115
clustered structure0.4100..0.771..0.771..1.845
total4.727..36.9922.91113.11613.21690.86
outside perimetern/a1.1582.1415.8251.7442.8351.45014.915
single-layered55.9783.15101.2526.71033.2940.18340.23
multi-layered105.94153.13127.7417.81325.11157.47487.12
stratified20.91315.61540.5915.11420.1129.619121.75
clustered structure0.771..2.5380.31002.4380.7716.723
total184.52253.91277.7261.6583.64109.24970.61
totaln/a1.1582.1417.2222.4383.5311.45017.714
single-layered57.3783.15116.8535.6837.4846.28376.53
multi-layered108.14153.13141.9425.71030.4962.76521.92
stratified21.61215.61545.5820.51222.21211.317136.75
clustered structure1.158..3.2330.31003.2330.7718.520
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163428/149808

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a..50.035.4..4.44.3....1.91.3
pure conifer forest22.213.9..31.67.562.39.983.315.224.28.037.74.6
mixed conifer forest22.413.9..18.46.38.35.616.715.26.94.713.03.2
mixed broadleaf forest11.110.5..13.25.54.24.1..3.43.47.42.5
pure broadleaf forest44.416.650.035.436.87.820.88.3..65.48.840.04.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.70.32.40.52.71.13.71.21.30.61.70.2
pure conifer forest26.41.923.51.648.11.776.22.984.02.234.02.741.90.9
mixed conifer forest26.21.925.71.622.21.45.91.63.71.26.31.419.10.7
mixed broadleaf forest21.71.817.51.411.01.15.81.63.41.17.61.513.10.6
pure broadleaf forest25.21.932.71.816.41.39.42.05.21.450.82.824.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.30.52.91.13.71.11.20.61.70.2
pure conifer forest26.31.923.41.647.31.774.92.884.02.233.22.541.80.8
mixed conifer forest26.11.925.61.622.01.46.11.54.01.26.41.318.90.7
mixed broadleaf forest21.51.817.41.411.11.15.71.53.31.17.31.412.90.6
pure broadleaf forest25.51.932.71.817.31.310.52.05.11.352.02.724.80.8
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 #163429/149809

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.4100..0.4100....0.771
pure conifer forest0.771..4.3295.1251.8442.53814.415
mixed conifer forest0.771..2.5380.7710.41000.7715.027
mixed broadleaf forest0.4100..1.8450.3100..0.41002.835
pure broadleaf forest1.4500.41005.0271.744..6.82315.215
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a1.1581.8457.2222.1413.5311.45017.014
pure conifer forest49.0859.47144.7458.2679.4438.19428.92
mixed conifer forest48.6865.1666.874.5273.5317.122195.54
mixed broadleaf forest40.4944.2833.0104.4273.2338.620133.85
pure broadleaf forest46.8882.8649.487.2214.92656.97248.03
total185.92253.21301.1276.4494.63112.131023.21
totaln/a1.1582.1417.2222.4383.5311.45017.714
pure conifer forest49.7759.47149.0463.3581.2440.68443.22
mixed conifer forest49.4865.1669.375.2253.9307.821200.54
mixed broadleaf forest40.7944.2834.8104.8263.2338.920136.65
pure broadleaf forest48.3883.1554.388.9194.92663.76263.23
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163430/149810

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture %± %± %±
AGn/a..0.80.80.80.8
pure conifer forest..16.53.416.53.4
mixed conifer forest..18.23.518.23.5
mixed broadleaf forest..19.03.619.03.6
pure broadleaf forest..45.54.545.54.5
total..100.0.100.0.
AIn/a..6.76.66.76.6
pure conifer forest..66.712.566.712.5
mixed conifer forest..26.711.726.711.7
mixed broadleaf forest......
pure broadleaf forest......
total..100.0.100.0.
ARn/a......
pure conifer forest..40.09.940.09.9
mixed conifer forest..24.08.724.08.7
mixed broadleaf forest..28.09.128.09.1
pure broadleaf forest..8.05.58.05.5
total..100.0.100.0.
BEn/a6.26.02.00.62.10.7
pure conifer forest12.48.241.72.340.72.3
mixed conifer forest31.611.725.82.026.02.0
mixed broadleaf forest12.48.212.71.612.71.5
pure broadleaf forest37.312.117.91.818.61.8
total100.0.100.0.100.0.
BL/BSn/a......
pure conifer forest100.0.4.43.06.43.6
mixed conifer forest..17.55.717.15.5
mixed broadleaf forest..19.65.919.25.8
pure broadleaf forest..58.57.357.37.3
total100.0.100.0.100.0.
FRn/a..2.71.62.71.6
pure conifer forest..38.24.738.24.7
mixed conifer forest..16.33.516.33.5
mixed broadleaf forest..17.33.617.33.6
pure broadleaf forest..25.54.225.54.2
total..100.0.100.0.
GEn/a..21.019.921.019.9
pure conifer forest......
mixed conifer forest..21.019.921.019.9
mixed broadleaf forest......
pure broadleaf forest..58.123.758.123.7
total..100.0.100.0.
GLn/a......
pure conifer forest..35.38.329.37.2
mixed conifer forest28.617.226.57.626.87.0
mixed broadleaf forest14.313.35.94.17.34.1
pure broadleaf forest57.118.832.48.136.67.6
total100.0.100.0.100.0.
GRn/a..3.60.93.40.9
pure conifer forest66.812.275.82.275.52.1
mixed conifer forest13.38.86.61.36.81.2
mixed broadleaf forest..4.11.03.91.0
pure broadleaf forest19.910.39.91.510.31.5
total100.0.100.0.100.0.
JUn/a......
pure conifer forest..23.84.723.04.5
mixed conifer forest33.327.420.34.420.74.4
mixed broadleaf forest33.327.421.34.521.84.4
pure broadleaf forest33.327.434.65.234.55.1
total100.0.100.0.100.0.
LUn/a..0.80.80.80.8
pure conifer forest..44.74.544.74.5
mixed conifer forest..26.54.026.54.0
mixed broadleaf forest..12.02.912.02.9
pure broadleaf forest..16.13.316.13.3
total..100.0.100.0.
NEn/a......
pure conifer forest..41.05.441.05.4
mixed conifer forest..33.95.133.95.1
mixed broadleaf forest..15.54.015.54.0
pure broadleaf forest..9.63.39.63.3
total..100.0.100.0.
NWn/a......
pure conifer forest..56.212.652.912.3
mixed conifer forest..25.011.123.510.5
mixed broadleaf forest......
pure broadleaf forest100.0.18.810.023.510.5
total100.0.100.0.100.0.
OWn/a..3.92.73.82.6
pure conifer forest50.035.753.27.253.07.1
mixed conifer forest..16.45.315.75.1
mixed broadleaf forest..12.34.711.84.6
pure broadleaf forest50.035.714.35.115.75.1
total100.0.100.0.100.0.
SGn/a..1.51.01.41.0
pure conifer forest25.021.725.63.825.63.7
mixed conifer forest..36.14.235.04.1
mixed broadleaf forest25.021.713.53.013.93.0
pure broadleaf forest50.025.123.33.724.13.7
total100.0.100.0.100.0.
SHn/a......
pure conifer forest..19.46.719.46.7
mixed conifer forest..30.67.830.67.8
mixed broadleaf forest..16.76.316.76.3
pure broadleaf forest..33.37.933.37.9
total..100.0.100.0.
SOn/a......
pure conifer forest50.035.58.63.19.63.3
mixed conifer forest..19.84.419.34.3
mixed broadleaf forest..37.05.436.15.3
pure broadleaf forest50.035.534.65.334.95.3
total100.0.100.0.100.0.
SZn/a..4.42.54.22.4
pure conifer forest..52.96.150.76.0
mixed conifer forest33.327.420.64.921.14.9
mixed broadleaf forest..10.33.79.93.6
pure broadleaf forest66.727.311.83.914.14.1
total100.0.100.0.100.0.
TGn/a......
pure conifer forest..18.54.718.54.7
mixed conifer forest..27.05.327.05.3
mixed broadleaf forest..24.65.224.65.2
pure broadleaf forest..29.95.529.95.5
total..100.0.100.0.
TIn/a..0.40.40.40.4
pure conifer forest10.06.727.92.926.52.7
mixed conifer forest5.04.95.61.55.51.4
mixed broadleaf forest5.04.98.51.88.21.7
pure broadleaf forest80.08.957.63.159.33.0
total100.0.100.0.100.0.
URn/a......
pure conifer forest100.0.54.08.562.57.4
mixed conifer forest..14.15.911.54.9
mixed broadleaf forest..14.15.911.54.9
pure broadleaf forest..17.76.614.55.5
total100.0.100.0.100.0.
VDn/a..1.20.71.20.7
pure conifer forest..37.33.137.03.1
mixed conifer forest..25.82.825.62.8
mixed broadleaf forest50.035.414.72.315.02.3
pure broadleaf forest50.035.420.92.621.22.6
total100.0.100.0.100.0.
VSn/a4.44.32.41.02.61.0
pure conifer forest62.39.972.32.871.42.7
mixed conifer forest8.35.66.41.66.61.5
mixed broadleaf forest4.24.16.41.66.21.5
pure broadleaf forest20.88.312.42.113.22.0
total100.0.100.0.100.0.
ZGn/a..7.77.77.77.7
pure conifer forest..23.112.123.112.1
mixed conifer forest..23.112.123.112.1
mixed broadleaf forest..15.410.415.410.4
pure broadleaf forest..30.813.230.813.2
total..100.0.100.0.
ZHn/a......
pure conifer forest..16.83.116.83.1
mixed conifer forest..26.63.726.63.7
mixed broadleaf forest..22.43.522.43.5
pure broadleaf forest..34.34.034.34.0
total..100.0.100.0.
Switzerlandn/a1.81.31.70.21.70.2
pure conifer forest37.14.641.50.941.40.8
mixed conifer forest13.13.319.00.718.80.7
mixed broadleaf forest7.62.613.10.612.90.6
pure broadleaf forest40.44.724.70.825.20.8
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163431/149811

NFI4b

forest area: rockfall 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 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.41000.4100
pure conifer forest..8.0218.021
mixed conifer forest..8.9198.919
mixed broadleaf forest..9.3199.319
pure broadleaf forest..22.11022.110
total..48.7248.72
AIn/a..0.31000.3100
pure conifer forest..3.2223.222
mixed conifer forest..1.3451.345
mixed broadleaf forest......
pure broadleaf forest......
total..4.8114.811
ARn/a......
pure conifer forest..3.2253.225
mixed conifer forest..1.9361.936
mixed broadleaf forest..2.2332.233
pure broadleaf forest..0.6690.669
total..8.058.05
BEn/a0.31003.1333.431
pure conifer forest0.77165.4666.16
mixed conifer forest1.74540.4842.18
mixed broadleaf forest0.77119.81220.512
pure broadleaf forest2.14128.11030.110
total5.525156.82162.32
BL/BSn/a......
pure conifer forest0.41000.8701.257
mixed conifer forest..3.3333.333
mixed broadleaf forest..3.7313.731
pure broadleaf forest..10.91410.914
total0.410018.7719.16
FRn/a..1.1571.157
pure conifer forest..15.71315.713
mixed conifer forest..6.7226.722
mixed broadleaf forest..7.1217.121
pure broadleaf forest..10.51710.517
total..41.1341.13
GEn/a..0.51000.5100
pure conifer forest......
mixed conifer forest..0.51000.5100
mixed broadleaf forest......
pure broadleaf forest..1.3541.354
total..2.2342.234
GLn/a......
pure conifer forest..4.6264.626
mixed conifer forest0.8703.5314.227
mixed broadleaf forest0.41000.8701.257
pure broadleaf forest1.5494.2275.822
total2.73613.11115.88
GRn/a..4.9264.926
pure conifer forest3.531103.94107.44
mixed conifer forest0.7719.0199.718
mixed broadleaf forest..5.6255.625
pure broadleaf forest1.05813.61514.715
total5.226137.13142.33
JUn/a......
pure conifer forest..7.8207.820
mixed conifer forest0.41006.6227.021
mixed broadleaf forest0.41007.0217.421
pure broadleaf forest0.410011.31511.715
total1.25732.7333.93
LUn/a..0.31000.3100
pure conifer forest..17.61017.610
mixed conifer forest..10.41510.415
mixed broadleaf forest..4.7244.724
pure broadleaf forest..6.3216.321
total..39.3339.33
NEn/a......
pure conifer forest..11.21311.213
mixed conifer forest..9.3159.315
mixed broadleaf forest..4.2264.226
pure broadleaf forest..2.6342.634
total..27.4427.44
NWn/a......
pure conifer forest..3.5263.526
mixed conifer forest..1.5461.546
mixed broadleaf forest......
pure broadleaf forest0.41001.2551.546
total0.41006.1146.513
OWn/a..0.7710.771
pure conifer forest0.41009.71410.114
mixed conifer forest..3.0333.033
mixed broadleaf forest..2.2392.239
pure broadleaf forest0.41002.6363.033
total0.77018.3519.04
SGn/a..0.7710.771
pure conifer forest0.410012.31612.715
mixed conifer forest..17.41217.412
mixed broadleaf forest0.41006.5226.922
pure broadleaf forest0.77011.21611.916
total1.45048.1549.54
SHn/a......
pure conifer forest..2.5342.534
mixed conifer forest..3.9263.926
mixed broadleaf forest..2.1382.138
pure broadleaf forest..4.3244.324
total..12.8312.83
SOn/a......
pure conifer forest0.41002.6363.034
mixed conifer forest..6.1236.123
mixed broadleaf forest..11.41511.415
pure broadleaf forest0.410010.61611.015
total0.87030.7431.44
SZn/a..1.1571.157
pure conifer forest..13.01313.013
mixed conifer forest0.41005.1255.424
mixed broadleaf forest..2.5362.536
pure broadleaf forest0.7702.9343.630
total1.15724.6625.75
TGn/a......
pure conifer forest..3.9253.925
mixed conifer forest..5.7205.720
mixed broadleaf forest..5.2225.222
pure broadleaf forest..6.3196.319
total..21.0421.04
TIn/a..0.41000.4100
pure conifer forest0.77124.71125.511
mixed conifer forest0.41005.0265.325
mixed broadleaf forest0.41007.5217.921
pure broadleaf forest5.72451.1756.96
total7.22288.7495.94
URn/a......
pure conifer forest2.6346.3209.016
mixed conifer forest..1.7441.744
mixed broadleaf forest..1.7441.744
pure broadleaf forest..2.1402.140
total2.63411.71314.311
VDn/a..1.1581.158
pure conifer forest..34.5934.59
mixed conifer forest..23.91123.911
mixed broadleaf forest0.410013.61614.015
pure broadleaf forest0.410019.41319.713
total0.87192.5393.23
VSn/a0.41002.1412.438
pure conifer forest5.12561.8666.95
mixed conifer forest0.7715.5256.223
mixed broadleaf forest0.31005.5255.824
pure broadleaf forest1.74410.61712.316
total8.22085.4493.73
ZGn/a..0.41000.4100
pure conifer forest..1.3531.353
mixed conifer forest..1.3531.353
mixed broadleaf forest..0.9680.968
pure broadleaf forest..1.7441.744
total..5.695.69
ZHn/a......
pure conifer forest..8.5198.519
mixed conifer forest..13.41413.414
mixed broadleaf forest..11.31611.316
pure broadleaf forest..17.31217.312
total..50.4250.42
Switzerlandn/a0.77117.11417.814
pure conifer forest14.215426.02440.32
mixed conifer forest5.027195.04200.04
mixed broadleaf forest2.935134.85137.75
pure broadleaf forest15.415252.93268.33
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163432/149812

NFI4b

forest area: rockfall 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 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %±
inside perimetern/a..100.0...1.71.7..1.91.3
pure conifer forest22.213.9..12.511.750.86.424.28.037.74.7
mixed conifer forest22.113.8..12.511.714.74.56.94.712.93.2
mixed broadleaf forest11.110.5..12.511.78.23.53.43.47.42.5
pure broadleaf forest44.516.6..62.517.124.65.565.48.840.04.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.80.32.30.62.70.61.30.61.70.2
pure conifer forest24.31.923.91.746.42.167.11.633.52.741.80.9
mixed conifer forest26.21.924.61.724.81.811.21.16.41.419.20.7
mixed broadleaf forest21.61.817.31.512.31.47.10.97.21.513.10.6
pure broadleaf forest27.31.933.41.914.11.511.91.151.62.924.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.90.42.30.62.70.51.20.61.70.2
pure conifer forest24.31.923.91.746.02.166.01.632.72.641.70.9
mixed conifer forest26.11.924.51.724.61.811.51.16.51.318.90.7
mixed broadleaf forest21.51.817.21.512.31.47.20.96.81.412.90.6
pure broadleaf forest27.61.933.41.914.81.512.81.152.82.724.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163433/149813

NFI4b

forest area: rockfall 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 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.4100..0.4100..0.771
pure conifer forest0.771..0.410010.7182.53814.315
mixed conifer forest0.771..0.41003.1330.7714.927
mixed broadleaf forest0.4100..0.41001.7450.41002.835
pure broadleaf forest1.550..1.8455.2266.72215.215
total3.3330.41002.93521.11210.31837.99
outside perimetern/a1.1581.8454.7288.0211.45016.914
pure conifer forest46.7854.1793.75196.8336.59427.92
mixed conifer forest50.4755.5750.1832.9107.022196.04
mixed broadleaf forest41.6839.0924.91120.8137.821134.15
pure broadleaf forest52.6775.6628.51135.01056.27247.83
total192.42225.91201.82293.52109.041022.71
totaln/a1.1582.1414.7288.3201.45017.714
pure conifer forest47.5854.1794.15207.5339.08442.22
mixed conifer forest51.1755.5750.5836.097.721200.94
mixed broadleaf forest42.0839.0925.21122.5128.220136.95
pure broadleaf forest54.0775.6630.31040.2963.06263.03
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163434/149814

NFI4b

forest area: rockfall 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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a10.09.5....4.44.3....1.91.3
pure conifer forest20.012.617.69.340.910.562.39.983.315.224.28.037.74.6
mixed conifer forest20.112.723.510.313.67.38.35.616.715.26.94.713.03.2
mixed broadleaf forest10.09.517.69.39.16.14.24.1..3.43.47.42.5
pure broadleaf forest39.915.541.211.936.410.320.88.3..65.48.840.04.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.70.22.30.72.20.82.41.03.31.01.30.61.70.2
pure conifer forest24.11.351.32.238.92.772.32.879.32.233.52.741.90.9
mixed conifer forest25.31.322.51.826.62.56.41.66.01.36.41.419.10.7
mixed broadleaf forest19.21.211.21.413.01.96.41.64.51.17.21.513.10.6
pure broadleaf forest30.71.312.71.519.32.212.42.16.91.451.62.924.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.32.30.62.10.82.61.03.21.01.20.61.70.2
pure conifer forest24.11.250.22.239.02.771.42.779.32.232.72.641.80.8
mixed conifer forest25.31.322.51.825.72.46.61.56.21.36.51.318.90.7
mixed broadleaf forest19.21.111.41.412.71.86.21.54.41.16.81.412.90.6
pure broadleaf forest30.81.313.61.520.42.213.22.06.81.452.82.724.80.8
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, 03.11.2014 #163435/149815

NFI4b

forest area: rockfall 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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....0.4100....0.771
pure conifer forest0.7711.1583.1335.1251.8452.53814.315
mixed conifer forest0.7711.4501.0580.7710.41000.7714.927
mixed broadleaf forest0.41001.1580.7710.3100..0.41002.835
pure broadleaf forest1.4502.5382.8351.744..6.72215.215
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a2.9354.3292.4382.1413.9301.45017.014
pure conifer forest100.9594.5542.4861.8692.7436.59428.82
mixed conifer forest105.9541.5829.0105.5257.0227.022195.84
mixed broadleaf forest80.5620.61314.1155.5255.3257.821133.85
pure broadleaf forest128.4523.41221.11210.6178.12056.27247.93
total418.51184.32109.1385.44116.93109.041023.21
totaln/a3.2334.3292.4382.4383.9301.45017.714
pure conifer forest101.6595.6545.5766.9594.5439.08443.12
mixed conifer forest106.6542.9830.0106.2237.3217.721200.84
mixed broadleaf forest80.9621.61214.8145.8245.3258.220136.65
pure broadleaf forest129.8426.01123.81112.3168.12063.06263.03
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163436/149816

NFI4b

forest area: rockfall 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 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture %± %± %±
Western Juran/a..0.70.40.70.4
pure conifer forest12.411.728.42.228.12.2
mixed conifer forest25.415.528.62.228.52.2
mixed broadleaf forest12.411.721.52.021.42.0
pure broadleaf forest49.817.720.82.021.32.0
total100.0.100.0.100.0.
Eastern Juran/a......
pure conifer forest100.0.10.22.810.92.9
mixed conifer forest..17.83.517.73.5
mixed broadleaf forest..22.13.821.93.8
pure broadleaf forest..49.94.649.54.6
total100.0.100.0.100.0.
Western Plateaun/a..3.51.73.51.7
pure conifer forest..22.73.922.73.9
mixed conifer forest..22.63.922.63.9
mixed broadleaf forest..15.63.415.63.4
pure broadleaf forest..35.64.535.64.5
total..100.0.100.0.
Central Plateaun/a100.0...0.50.5
pure conifer forest..32.33.232.13.1
mixed conifer forest..22.72.822.62.8
mixed broadleaf forest..12.72.212.62.2
pure broadleaf forest..32.43.232.23.2
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
pure conifer forest..18.52.218.52.2
mixed conifer forest..26.62.526.62.5
mixed broadleaf forest..21.12.321.12.3
pure broadleaf forest..33.42.733.42.7
total..100.0.100.0.
Western Pre-Alpsn/a..3.61.83.61.8
pure conifer forest..53.64.853.24.8
mixed conifer forest100.0.15.43.516.23.5
mixed broadleaf forest..13.73.313.53.3
pure broadleaf forest..13.63.313.53.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.50.81.50.8
pure conifer forest25.021.750.43.150.03.1
mixed conifer forest..26.22.725.82.7
mixed broadleaf forest25.021.79.21.89.51.8
pure broadleaf forest50.025.012.72.113.32.1
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.61.22.61.1
pure conifer forest..36.83.536.33.5
mixed conifer forest..28.43.328.03.2
mixed broadleaf forest..15.82.715.52.6
pure broadleaf forest100.0.16.32.717.62.7
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.81.42.61.3
pure conifer forest16.710.851.04.248.44.0
mixed conifer forest25.012.521.33.521.63.3
mixed broadleaf forest16.710.812.82.813.12.7
pure broadleaf forest41.714.312.12.714.42.8
total100.0.100.0.100.0.
Central Alpsn/a......
pure conifer forest80.012.653.66.857.76.2
mixed conifer forest10.09.516.65.115.64.5
mixed broadleaf forest..12.94.610.93.9
pure broadleaf forest10.09.516.95.115.84.6
total100.0.100.0.100.0.
Northeastern Alpsn/a..2.92.02.51.7
pure conifer forest11.110.533.85.631.25.2
mixed conifer forest22.213.928.25.427.55.0
mixed broadleaf forest22.213.95.62.77.53.0
pure broadleaf forest44.416.629.65.431.25.2
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.32.41.02.61.0
pure conifer forest62.39.972.32.871.42.7
mixed conifer forest8.35.66.41.66.61.5
mixed broadleaf forest4.24.16.41.66.21.5
pure broadleaf forest20.88.312.42.113.22.0
total100.0.100.0.100.0.
Southeastern Alpsn/a..3.31.03.21.0
pure conifer forest83.315.279.32.279.32.2
mixed conifer forest16.715.26.01.36.21.3
mixed broadleaf forest..4.51.14.41.1
pure broadleaf forest..6.91.46.81.4
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.61.20.6
pure conifer forest24.28.033.52.732.72.6
mixed conifer forest6.94.76.41.46.51.3
mixed broadleaf forest3.43.47.21.56.81.4
pure broadleaf forest65.48.851.62.952.82.7
total100.0.100.0.100.0.
Switzerlandn/a1.81.21.70.21.70.2
pure conifer forest37.74.641.80.941.60.8
mixed conifer forest13.13.319.10.718.90.7
mixed broadleaf forest7.52.513.10.612.90.6
pure broadleaf forest40.04.724.30.824.90.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163437/149817

NFI4b

forest area: rockfall 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 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
pure conifer forest0.410041.4841.88
mixed conifer forest0.77141.8842.58
mixed broadleaf forest0.410031.41031.810
pure broadleaf forest1.45030.31031.710
total2.935146.02148.92
Eastern Juran/a......
pure conifer forest0.41004.7285.126
mixed conifer forest..8.3208.320
mixed broadleaf forest..10.31810.318
pure broadleaf forest..23.31023.310
total0.410046.6347.03
Western Plateaun/a..1.6491.649
pure conifer forest..10.71810.718
mixed conifer forest..10.71810.718
mixed broadleaf forest..7.4227.422
pure broadleaf forest..16.81316.813
total..47.2447.24
Central Plateaun/a0.3100..0.3100
pure conifer forest..22.11022.110
mixed conifer forest..15.51315.513
mixed broadleaf forest..8.7188.718
pure broadleaf forest..22.11022.110
total0.310068.4268.72
Eastern Plateaun/a..0.41000.4100
pure conifer forest..20.41220.412
mixed conifer forest..29.31029.310
mixed broadleaf forest..23.21123.211
pure broadleaf forest..36.8836.88
total..110.12110.12
Western Pre-Alpsn/a..1.5491.549
pure conifer forest..21.81021.810
mixed conifer forest0.41006.3236.722
mixed broadleaf forest..5.6245.624
pure broadleaf forest..5.5255.525
total0.410040.7441.14
Central Pre-Alpsn/a..1.4501.450
pure conifer forest0.410047.0747.37
mixed conifer forest..24.41124.411
mixed broadleaf forest0.41008.6209.019
pure broadleaf forest0.77111.81612.516
total1.45093.2394.72
Eastern Pre-Alpsn/a..1.8441.844
pure conifer forest..25.01025.010
mixed conifer forest..19.31219.312
mixed broadleaf forest..10.71710.717
pure broadleaf forest1.15711.11712.116
total1.15767.9368.93
Northwestern Alpsn/a..1.4501.450
pure conifer forest0.77125.71026.49
mixed conifer forest1.15710.71711.816
mixed broadleaf forest0.7716.4237.221
pure broadleaf forest1.8446.1237.920
total4.32850.4554.74
Central Alpsn/a......
pure conifer forest2.73410.01612.713
mixed conifer forest0.31003.1323.430
mixed broadleaf forest..2.4372.437
pure broadleaf forest0.31003.2333.531
total3.43018.61022.18
Northeastern Alpsn/a..0.7710.771
pure conifer forest0.41008.6188.918
mixed conifer forest0.7707.2217.919
mixed broadleaf forest0.7701.4492.140
pure broadleaf forest1.4497.5208.918
total3.23225.4828.76
Southwestern Alpsn/a0.41002.1412.438
pure conifer forest5.12561.8666.95
mixed conifer forest0.7715.5256.223
mixed broadleaf forest0.31005.5255.824
pure broadleaf forest1.74410.61712.316
total8.22085.4493.73
Southeastern Alpsn/a..3.9303.930
pure conifer forest1.84592.7494.54
mixed conifer forest0.41007.0227.321
mixed broadleaf forest..5.3255.325
pure broadleaf forest..8.1208.120
total2.141116.93119.03
Southern Alpsn/a..1.4501.450
pure conifer forest2.53836.5939.08
mixed conifer forest0.7717.0227.721
mixed broadleaf forest0.41007.8218.220
pure broadleaf forest6.72256.2763.06
total10.318109.04119.33
Switzerlandn/a0.77117.31417.914
pure conifer forest14.315428.42442.72
mixed conifer forest5.027196.04201.04
mixed broadleaf forest2.835134.75137.65
pure broadleaf forest15.215249.53264.73
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163438/149818

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · type of next treatment (interview survey) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedtype of next treatment (interview survey) %± %± %± %± %± %± %±
inside perimeterno treatment11.310.6..21.16.654.310.233.319.365.68.839.84.7
tending..50.035.413.25.54.24.116.715.2..7.42.5
thinning33.315.7..10.55.08.35.6..3.43.49.32.8
establishment cut33.315.750.035.42.62.64.24.133.319.3..7.42.5
removal cut11.110.5..2.62.6......1.91.3
plentering..............
thinning of mountain forest11.110.5..47.48.129.19.316.715.227.58.332.44.5
coppice cut..........3.43.40.90.9
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest....2.62.6......0.90.9
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno treatment13.21.54.30.828.01.553.43.360.43.062.82.728.20.8
tending8.11.214.71.38.00.94.11.35.21.41.90.88.50.5
thinning26.21.936.01.815.01.23.11.23.71.26.71.419.40.7
establishment cut14.11.516.51.413.51.27.61.813.12.15.71.313.00.6
removal cut5.61.05.90.93.20.61.30.80.70.53.21.03.90.4
plentering13.41.53.20.76.00.80.40.42.20.90.30.35.30.4
thinning of mountain forest2.10.6..20.01.427.83.012.32.013.01.910.90.6
coppice cut0.40.30.60.3......4.11.10.70.2
conversion..1.10.40.40.2....1.00.50.50.1
transformation..0.40.20.10.1......0.10.1
sanitary felling1.70.61.70.50.70.31.30.8..0.30.31.10.2
plentering in broadleaf forest7.21.114.01.32.50.5......5.50.4
tending of forest edge0.60.31.70.51.20.4..1.10.60.30.31.00.2
planting0.20.2..........0.00.0
agrosilvicultural treatments7.21.1..1.40.40.90.61.10.60.60.42.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment13.11.54.30.827.71.553.43.259.83.063.12.628.60.8
tending8.01.214.81.38.30.94.11.35.51.41.70.78.40.5
thinning26.31.935.91.814.81.23.61.23.71.16.41.319.00.7
establishment cut14.51.516.61.413.11.17.31.713.52.15.21.212.80.6
removal cut5.71.05.90.93.20.61.20.70.70.52.90.93.90.4
plentering13.11.53.20.75.70.80.40.42.20.90.30.35.10.4
thinning of mountain forest2.30.7..21.21.427.92.912.42.014.31.911.70.6
coppice cut0.40.30.60.3......4.11.10.70.1
conversion..1.10.40.30.2....0.90.50.50.1
transformation..0.40.20.10.1......0.10.1
sanitary felling1.70.61.70.50.70.31.20.7..0.30.31.00.2
plentering in broadleaf forest7.01.113.91.32.50.5......5.30.4
tending of forest edge0.60.31.70.51.10.4..1.10.60.30.31.00.2
planting0.20.2..........0.00.0
agrosilvicultural treatments7.11.1..1.40.40.80.61.10.60.60.41.90.2
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 #163439/149819

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · type of next treatment (interview survey) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment0.4100..2.8354.5270.7716.82315.215
tending..0.41001.8450.31000.4100..2.835
thinning1.158..1.4500.771..0.41003.532
establishment cut1.1580.41000.41000.31000.771..2.835
removal cut0.4100..0.4100......0.771
plentering..............
thinning of mountain forest0.4100..6.4232.4370.41002.83512.317
coppice cut..........0.41000.4100
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest....0.4100......0.4100
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total3.2330.77113.5168.2202.14110.31838.19
outside perimeterno treatment24.51111.01884.3640.7857.1670.46288.13
tending15.11537.1924.2123.1334.9262.14186.66
thinning48.6891.2545.182.4373.5317.521198.34
establishment cut26.31141.7940.895.82412.4166.423133.45
removal cut10.41814.9159.6191.0580.7713.63140.29
plentering24.9118.12118.1140.31002.1410.410053.98
thinning of mountain forest4.030..60.3721.21211.71714.615111.85
coppice cut0.7711.450......4.6276.823
conversion..2.8351.158....1.1585.027
transformation..1.1580.4100......1.450
sanitary felling3.2334.2292.1411.058..0.410011.018
plentering in broadleaf forest13.31635.497.422......56.18
tending of forest edge1.1584.2293.632..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.316..4.3290.7711.1580.77120.113
total185.92253.21301.1276.4494.63112.131023.21
totalno treatment24.91111.01887.2645.2757.8677.25303.23
tending15.11537.5926.0113.4315.3252.14189.46
thinning49.7791.2546.583.1333.5317.821201.94
establishment cut27.41142.1841.196.22313.1166.423136.25
removal cut10.81814.9159.9191.0580.7713.63140.99
plentering24.9118.12118.1140.31002.1410.410053.98
thinning of mountain forest4.329..66.7723.61112.01617.414124.15
coppice cut0.7711.450......5.0267.122
conversion..2.8351.158....1.1585.027
transformation..1.1580.4100......1.450
sanitary felling3.2334.2292.1411.058..0.410011.018
plentering in broadleaf forest13.31635.497.821......56.58
tending of forest edge1.1584.2293.632..1.1580.410010.318
planting0.4100..........0.4100
agrosilvicultural treatments13.316..4.3290.7711.1580.77120.113
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163440/149820
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