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NFI4b

forest area: protection forest perimeter SilvaProtect · crown closure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectcrown closure %± %± %± %± %± %± %±
inside perimetern/a0.60.62.60.92.71.11.30.83.11.21.50.72.00.4
crowded34.03.828.82.631.53.123.22.811.22.134.72.627.61.2
normal33.33.822.42.426.02.914.62.312.62.218.42.120.51.0
loose12.22.66.41.48.51.97.71.712.12.27.21.48.60.7
open10.32.415.72.113.02.319.32.622.02.812.11.815.40.9
scattered2.61.36.71.46.71.710.72.013.02.39.01.68.30.7
grouped crowded..6.11.45.61.64.31.35.41.57.21.45.20.6
grouped normal1.91.14.51.25.01.53.91.314.82.47.21.46.40.6
heterogeneous5.11.87.01.40.90.615.12.45.81.62.70.96.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetern/a0.80.31.50.70.60.65.02.22.51.1..1.20.2
crowded29.31.420.62.524.33.319.94.08.01.923.54.224.61.0
normal36.61.522.12.523.73.211.93.210.92.213.63.428.21.0
loose11.71.08.21.76.41.98.12.710.02.11.01.09.80.7
open12.91.014.62.210.52.314.03.519.92.813.83.413.70.8
scattered4.20.611.21.99.82.329.14.518.92.825.34.39.60.7
grouped crowded0.50.27.11.610.42.45.02.212.32.310.33.04.30.5
grouped normal1.00.36.71.510.82.4..14.52.510.63.04.60.5
heterogeneous3.00.57.91.63.51.47.02.53.01.22.01.43.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.70.22.10.61.80.72.40.82.80.81.20.51.60.2
crowded29.91.325.01.828.42.322.22.39.71.432.02.225.90.7
normal36.21.422.21.725.02.213.81.911.81.617.21.824.90.7
loose11.80.97.21.17.61.37.81.511.11.55.81.19.30.5
open12.51.015.21.511.91.717.72.121.02.012.51.614.50.6
scattered4.00.68.81.28.11.416.22.015.81.812.81.69.10.5
grouped crowded0.40.26.61.07.71.44.51.18.61.47.91.34.70.4
grouped normal1.20.35.50.97.51.32.70.914.61.78.01.35.40.4
heterogeneous3.30.57.41.12.00.712.61.84.51.02.50.84.80.4
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 #161329/147708

NFI4b

forest area: protection forest perimeter SilvaProtect · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.41002.9352.1411.0582.5381.84510.618
crowded19.01332.51024.21118.5138.82040.78143.75
normal18.61425.21120.01211.7169.91821.612107.05
loose6.8237.2226.6226.2239.5198.52044.79
open5.72517.71410.01915.41417.21314.21580.26
scattered1.4507.6225.2258.61910.21810.51843.59
grouped crowded..6.9234.3293.4314.2288.52027.211
grouped normal1.1585.0263.8303.13311.6178.52033.110
heterogeneous2.9357.9210.77112.1164.6273.23331.310
total55.88112.9476.8579.9478.45117.53521.42
outside of perimetern/a2.9351.4500.31001.7441.845..8.121
crowded110.9519.81314.5156.9225.7258.520166.34
normal138.4421.31214.1154.1287.7214.926190.54
loose44.497.9213.8302.8357.0220.410066.37
open48.7814.1166.2234.82614.0155.02692.86
scattered15.81510.8185.92510.01813.3169.21965.07
grouped crowded1.8456.9236.2241.7458.7203.73029.011
grouped normal3.9306.5236.524..10.2183.83030.911
heterogeneous11.4177.6222.1412.4372.1410.77126.312
total378.2196.3559.7634.5970.4636.29675.32
totaln/a3.2334.3292.4382.8354.2281.84518.714
crowded129.9452.3738.7825.41114.51549.27310.03
normal157.0446.5834.1915.81417.51326.511297.53
loose51.2815.11510.4189.01916.6148.919111.05
open54.4831.71016.21420.31231.21019.213173.04
scattered17.21418.41411.01818.61323.51119.713108.55
grouped crowded1.84513.71610.5185.22512.91612.21656.28
grouped normal5.02711.51710.3183.13321.81212.31664.17
heterogeneous14.31615.5152.83514.5156.7233.93057.68
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161330/147709

NFI4b

forest area: protection forest perimeter SilvaProtect · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..0.90.50.70.4
crowded32.94.926.92.428.22.2
normal29.64.830.12.530.02.2
loose12.13.49.11.69.71.4
open13.23.516.72.015.91.8
scattered2.21.56.21.35.41.1
grouped crowded..0.90.50.70.4
grouped normal3.31.91.80.72.10.7
heterogeneous6.62.67.61.47.41.3
total100.0.100.0.100.0.
Eastern Juran/a......
crowded21.411.037.94.736.04.4
normal57.113.246.44.847.64.5
loose7.16.913.03.212.33.0
open7.16.91.91.32.51.4
scattered7.16.90.90.91.61.2
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
Western Plateaun/a..3.81.93.41.7
crowded50.614.537.54.738.84.5
normal32.513.536.44.736.04.4
loose16.910.97.52.68.52.6
open..8.52.77.62.4
scattered..3.81.93.41.7
grouped crowded..0.90.90.80.8
grouped normal..0.80.80.70.7
heterogeneous..0.90.90.80.8
total100.0.100.0.100.0.
Central Plateaun/a4.54.5..0.40.4
crowded40.910.527.73.229.03.1
normal22.79.041.83.539.93.3
loose13.67.310.02.110.32.0
open9.16.114.52.514.02.3
scattered4.54.54.51.54.51.4
grouped crowded......
grouped normal..0.50.50.40.4
heterogeneous4.54.51.00.71.30.8
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
crowded29.411.127.32.627.42.5
normal47.112.137.02.837.52.7
loose11.87.817.02.216.72.1
open5.95.713.01.912.61.9
scattered..3.01.02.80.9
grouped crowded..0.30.30.30.3
grouped normal..1.00.60.90.5
heterogeneous5.95.71.00.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsn/a4.22.42.02.03.31.6
crowded23.65.027.36.225.13.9
normal19.54.723.56.021.23.7
loose8.33.37.93.88.22.5
open11.03.77.93.89.72.7
scattered11.13.715.85.113.03.0
grouped crowded11.13.711.74.511.42.9
grouped normal7.03.03.92.75.72.1
heterogeneous4.22.4..2.41.4
total100.0.100.0.100.0.
Central Pre-Alpsn/a0.80.82.01.11.40.7
crowded24.43.820.73.322.42.5
normal22.13.625.33.523.82.5
loose8.42.45.31.86.81.5
open22.93.718.73.220.62.4
scattered8.42.46.01.97.11.5
grouped crowded..6.01.93.21.1
grouped normal2.31.36.01.94.31.2
heterogeneous10.72.710.02.510.31.8
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a3.51.71.01.02.41.0
crowded33.34.427.84.630.83.2
normal28.14.234.04.830.83.2
loose9.72.86.22.48.11.9
open7.92.510.33.19.02.0
scattered6.12.34.12.05.21.5
grouped crowded5.32.12.11.43.81.3
grouped normal4.41.912.43.38.01.9
heterogeneous1.81.22.11.41.90.9
total100.0.100.0.100.0.
Northwestern Alpsn/a3.61.8..2.31.1
crowded37.34.615.24.429.03.4
normal24.54.113.64.220.43.0
loose2.71.615.14.47.42.0
open10.02.910.63.810.22.3
scattered1.81.319.74.98.62.1
grouped crowded10.02.96.13.08.52.1
grouped normal5.52.210.63.87.42.0
heterogeneous4.52.09.13.56.31.8
total100.0.100.0.100.0.
Central Alpsn/a......
crowded29.66.919.76.324.94.7
normal29.46.99.94.720.14.4
loose11.34.85.13.58.43.0
open16.05.69.94.713.13.7
scattered6.83.810.34.98.53.1
grouped crowded2.32.222.46.611.93.5
grouped normal4.53.112.95.48.63.1
heterogeneous..9.94.74.72.3
total100.0.100.0.100.0.
Northeastern Alpsn/a3.22.2..2.11.5
crowded30.25.821.27.127.14.6
normal20.65.112.15.717.73.9
loose4.82.79.15.06.22.5
open19.15.012.15.716.73.8
scattered7.93.424.37.513.53.5
grouped crowded7.93.418.26.711.43.3
grouped normal6.33.13.03.05.22.3
heterogeneous......
total100.0.100.0.100.0.
Southwestern Alpsn/a1.30.85.02.22.40.8
crowded23.22.819.94.022.22.3
normal14.62.311.93.213.81.9
loose7.71.78.12.77.81.5
open19.32.614.03.517.72.1
scattered10.72.029.14.516.22.0
grouped crowded4.31.35.02.24.51.1
grouped normal3.91.3..2.70.9
heterogeneous15.12.47.02.512.61.8
total100.0.100.0.100.0.
Southeastern Alpsn/a3.11.22.51.12.80.8
crowded11.22.18.01.99.71.4
normal12.62.210.92.211.81.6
loose12.12.210.02.111.11.5
open22.02.819.92.821.02.0
scattered13.02.318.92.815.81.8
grouped crowded5.41.512.32.38.61.4
grouped normal14.82.414.52.514.61.7
heterogeneous5.81.63.01.24.51.0
total100.0.100.0.100.0.
Southern Alpsn/a1.50.7..1.20.5
crowded34.72.623.54.232.02.2
normal18.42.113.63.417.21.8
loose7.21.41.01.05.81.1
open12.11.813.83.412.51.6
scattered9.01.625.34.312.81.6
grouped crowded7.21.410.33.07.91.3
grouped normal7.21.410.63.08.01.3
heterogeneous2.70.92.01.42.50.8
total100.0.100.0.100.0.
Switzerlandn/a2.00.41.20.31.60.2
crowded27.61.224.81.026.00.7
normal20.61.028.21.024.90.7
loose8.60.79.80.79.30.5
open15.30.913.60.814.40.6
scattered8.30.79.60.79.00.5
grouped crowded5.20.64.30.54.70.4
grouped normal6.40.64.60.55.30.4
heterogeneous6.00.63.90.44.80.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161331/147710

NFI4b

forest area: protection forest perimeter SilvaProtect · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
crowded10.71832.9943.68
normal9.61936.7946.47
loose3.93011.11715.015
open4.32920.41224.611
scattered0.7717.6228.321
grouped crowded..1.1581.158
grouped normal1.1582.2413.333
heterogeneous2.2419.31911.417
total32.59122.23154.72
Eastern Juran/a......
crowded1.25716.21317.312
normal3.23419.81122.910
loose0.41005.5255.924
open0.41000.8701.257
scattered0.41000.41000.870
grouped crowded......
grouped normal......
heterogeneous......
total5.52542.7448.22
Western Plateaun/a..1.6491.649
crowded2.54016.41318.912
normal1.65016.01417.513
loose0.8703.3344.130
open..3.7323.732
scattered..1.6491.649
grouped crowded..0.41000.4100
grouped normal..0.41000.4100
heterogeneous..0.41000.4100
total4.92843.9448.73
Central Plateaun/a0.3100..0.3100
crowded2.83317.21220.011
normal1.54426.0927.68
loose0.9576.2217.120
open0.6719.1189.717
scattered0.31002.8333.131
grouped crowded......
grouped normal..0.31000.3100
heterogeneous0.31000.6710.957
total6.82062.3369.12
Eastern Plateaun/a..0.41000.4100
crowded1.84429.31031.19
normal2.93539.7842.57
loose0.77118.21318.913
open0.410013.91514.315
scattered..3.2333.233
grouped crowded..0.41000.4100
grouped normal..1.1581.158
heterogeneous0.41001.1581.450
total6.124107.32113.32
Western Pre-Alpsn/a1.1570.41001.549
crowded6.3235.12611.416
normal5.2254.4289.618
loose2.2401.5493.730
open2.9351.5494.428
scattered3.0343.0345.923
grouped crowded3.0342.2405.226
grouped normal1.9440.7702.637
heterogeneous1.157..1.157
total26.6818.81245.54
Central Pre-Alpsn/a0.41001.1581.450
crowded11.51711.11722.611
normal10.41813.61524.011
loose3.9302.9356.822
open10.81710.01820.812
scattered3.9303.2337.222
grouped crowded..3.2333.233
grouped normal1.1583.2334.328
heterogeneous5.0265.42510.418
total47.0753.86100.82
Eastern Pre-Alpsn/a1.4500.41001.844
crowded13.6159.61823.211
normal11.41611.81623.210
loose3.9292.1416.123
open3.2333.6316.822
scattered2.5371.4503.929
grouped crowded2.1400.7712.935
grouped normal1.8444.3296.124
heterogeneous0.7710.7711.450
total40.7734.6875.33
Northwestern Alpsn/a1.450..1.450
crowded14.7143.63118.212
normal9.6183.23312.915
loose1.1573.6314.627
open3.9292.5376.423
scattered0.7714.7275.425
grouped crowded3.9291.4505.425
grouped normal2.1402.5374.727
heterogeneous1.8442.2403.930
total39.3723.61162.94
Central Alpsn/a......
crowded4.5262.7347.220
normal4.5261.4495.822
loose1.7440.7712.437
open2.4371.4493.829
scattered1.0571.4502.537
grouped crowded0.31003.1323.531
grouped normal0.7701.8452.537
heterogeneous..1.4491.449
total15.21213.91429.17
Northeastern Alpsn/a0.771..0.771
crowded6.8212.5379.318
normal4.7261.4496.122
loose1.1571.1572.140
open4.3281.4495.723
scattered1.8442.9354.726
grouped crowded1.8442.1403.929
grouped normal1.4490.41001.844
heterogeneous......
total22.6911.81534.45
Southwestern Alpsn/a1.0581.7442.835
crowded18.5136.92225.411
normal11.7164.12815.814
loose6.2232.8359.019
open15.4144.82620.312
scattered8.61910.01818.613
grouped crowded3.4311.7455.225
grouped normal3.133..3.133
heterogeneous12.1162.43714.515
total79.9434.59114.43
Southeastern Alpsn/a2.5381.8454.228
crowded8.8205.72514.515
normal9.9187.72117.513
loose9.5197.02216.614
open17.21314.01531.210
scattered10.21813.31623.511
grouped crowded4.2288.72012.916
grouped normal11.61710.21821.812
heterogeneous4.6272.1416.723
total78.4570.46148.92
Southern Alpsn/a1.845..1.845
crowded40.788.52049.27
normal21.6124.92626.511
loose8.5200.41008.919
open14.2155.02619.213
scattered10.5189.21919.713
grouped crowded8.5203.73012.216
grouped normal8.5203.83012.316
heterogeneous3.2330.7713.930
total117.5336.29153.82
Switzerlandn/a10.6188.42119.014
crowded144.35167.84312.13
normal107.75190.74298.43
loose44.9966.47111.35
open80.1692.16172.24
scattered43.7964.87108.45
grouped crowded27.31128.81156.18
grouped normal33.31030.81164.17
heterogeneous31.31026.21157.58
total523.12676.121199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161332/147711

NFI4b

forest area: protection forest perimeter SilvaProtect · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand structure %± %± %± %± %± %± %±
inside perimetern/a..1.31.32.50.71.50.83.41.41.80.72.00.4
single-layered29.64.420.24.534.52.041.93.437.63.635.82.635.11.2
multi-layered59.24.769.65.247.12.130.03.233.73.550.12.745.91.3
stratified9.32.88.93.214.91.526.73.123.03.211.81.716.00.9
clustered structure1.91.3..1.10.4..2.21.10.60.41.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetern/a0.70.40.80.31.40.65.82.52.41.2..1.20.3
single-layered31.22.234.71.939.22.337.25.232.33.642.84.835.31.1
multi-layered56.22.458.91.941.92.331.45.032.83.640.54.849.71.1
stratified11.71.55.70.915.01.723.34.626.83.413.93.312.40.7
clustered structure0.20.2..2.50.72.41.75.81.82.91.71.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.00.42.70.92.90.91.40.51.60.2
single-layered30.92.033.11.736.61.540.52.935.02.637.52.335.20.8
multi-layered56.82.160.11.844.81.630.42.733.32.547.82.448.00.8
stratified11.21.46.00.915.01.125.72.524.92.312.31.614.00.6
clustered structure0.60.3..1.70.40.70.54.01.01.10.51.20.2
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 #161333/147712

NFI4b

forest area: protection forest perimeter SilvaProtect · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.41005.0271.0582.1412.14110.618
single-layered11.5175.72569.2730.1923.71143.08183.24
multi-layered23.01219.51394.5521.51121.21260.26240.03
stratified3.6312.53829.91119.21214.51514.11583.96
clustered structure0.771..2.141..1.4500.7715.027
total38.9927.911200.7371.9462.95120.33522.62
outside of perimetern/a1.1581.8452.2411.7441.450..8.221
single-layered49.0879.9662.4711.01719.41316.214238.03
multi-layered88.35135.8466.879.31919.71315.315335.23
stratified18.41313.11623.9126.92216.1145.22683.66
clustered structure0.4100..3.9300.7713.5311.1589.619
total157.13230.62159.3429.61060.1637.89674.52
totaln/a1.1582.1417.2222.8353.5312.14118.814
single-layered60.6785.65131.6441.1743.1859.27421.22
multi-layered111.34155.33161.3430.8940.9875.55575.22
stratified22.01215.61553.9826.11030.61019.413167.54
clustered structure1.158..6.1240.7714.9261.84514.616
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161334/147713

NFI4b

forest area: protection forest perimeter SilvaProtect · stand structure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand structure %± %± %±
AGn/a..0.80.80.80.8
single-layered..31.94.331.14.2
multi-layered100.0.61.34.462.34.4
stratified..5.92.25.72.1
clustered structure......
total100.0.100.0.100.0.
AIn/a10.09.8..6.26.1
single-layered60.015.764.420.061.712.3
multi-layered20.013.035.620.126.011.3
stratified10.09.8..6.26.1
clustered structure......
total100.0.100.0.100.0.
ARn/a......
single-layered70.014.762.012.265.19.4
multi-layered30.014.831.811.931.19.3
stratified..6.26.13.83.8
clustered structure......
total100.0.100.0.100.0.
BEn/a3.11.21.10.62.00.6
single-layered32.73.139.52.936.52.1
multi-layered45.63.346.13.045.92.2
stratified16.82.512.62.014.51.6
clustered structure1.80.90.70.51.20.5
total100.0.100.0.100.0.
BL/BSn/a......
single-layered27.313.522.66.723.66.0
multi-layered72.713.474.96.974.46.2
stratified..2.52.52.02.0
clustered structure......
total100.0.100.0.100.0.
FRn/a2.12.12.92.02.61.5
single-layered25.56.436.35.831.94.3
multi-layered59.67.260.85.960.34.6
stratified10.64.5..4.31.9
clustered structure2.12.1..0.90.9
total100.0.100.0.100.0.
GEn/a..14.814.614.814.6
single-layered..14.814.614.814.6
multi-layered..70.518.770.518.7
stratified......
clustered structure......
total..100.0.100.0.
GLn/a......
single-layered25.18.347.811.534.27.0
multi-layered57.39.426.110.144.77.3
stratified14.06.621.29.516.95.5
clustered structure3.63.54.84.74.12.8
total100.0.100.0.100.0.
GRn/a3.51.12.21.02.90.7
single-layered37.02.835.43.236.32.1
multi-layered37.02.833.93.235.72.1
stratified20.42.422.22.821.21.8
clustered structure2.10.86.21.63.90.9
total100.0.100.0.100.0.
JUn/a......
single-layered23.37.832.96.229.64.9
multi-layered66.78.656.86.560.15.2
stratified10.05.510.44.010.33.3
clustered structure......
total100.0.100.0.100.0.
LUn/a4.54.5..0.80.8
single-layered40.910.542.14.841.94.4
multi-layered50.010.746.64.847.14.4
stratified4.54.510.43.09.42.6
clustered structure..0.90.90.80.8
total100.0.100.0.100.0.
NEn/a......
single-layered7.16.919.94.817.94.2
multi-layered64.312.847.75.950.35.4
stratified21.411.032.55.530.74.9
clustered structure7.16.9..1.11.1
total100.0.100.0.100.0.
NWn/a......
single-layered12.511.941.714.530.010.5
multi-layered62.517.441.714.550.011.4
stratified25.015.68.38.215.08.2
clustered structure..8.38.25.05.0
total100.0.100.0.100.0.
OWn/a..7.14.93.52.4
single-layered39.29.337.49.438.36.6
multi-layered46.49.518.77.632.86.4
stratified14.46.729.68.921.85.6
clustered structure..7.14.93.52.4
total100.0.100.0.100.0.
SGn/a2.21.5..1.20.9
single-layered34.45.035.25.834.83.8
multi-layered56.75.251.56.154.54.0
stratified6.72.613.34.19.52.3
clustered structure......
total100.0.100.0.100.0.
SHn/a......
single-layered50.035.844.18.644.48.3
multi-layered50.035.855.98.555.68.3
stratified......
clustered structure......
total100.0.100.0.100.0.
SOn/a......
single-layered16.715.321.54.621.24.4
multi-layered66.719.373.45.072.94.8
stratified16.715.35.12.55.92.6
clustered structure......
total100.0.100.0.100.0.
SZn/a4.53.22.72.73.72.1
single-layered27.36.748.68.337.05.4
multi-layered59.17.535.17.948.15.6
stratified9.14.413.65.611.13.5
clustered structure......
total100.0.100.0.100.0.
TGn/a......
single-layered10.09.527.25.724.85.1
multi-layered80.012.668.05.969.75.4
stratified10.09.54.82.75.52.7
clustered structure......
total100.0.100.0.100.0.
TIn/a0.80.5..0.60.4
single-layered35.32.939.75.536.32.6
multi-layered52.33.142.85.550.12.7
stratified11.21.914.94.012.01.7
clustered structure0.40.42.61.80.90.5
total100.0.100.0.100.0.
URn/a......
single-layered32.18.424.08.628.56.1
multi-layered51.89.047.510.049.96.7
stratified16.16.628.59.121.75.6
clustered structure......
total100.0.100.0.100.0.
VDn/a..1.40.81.10.7
single-layered29.86.139.83.437.73.0
multi-layered52.66.649.63.550.33.1
stratified17.65.18.11.910.21.9
clustered structure..1.00.70.80.5
total100.0.100.0.100.0.
VSn/a1.30.85.02.22.40.8
single-layered44.63.238.14.942.62.7
multi-layered29.23.033.94.730.62.5
stratified24.92.821.04.123.82.3
clustered structure..2.01.40.60.4
total100.0.100.0.100.0.
ZGn/a11.110.8..6.86.8
single-layered22.214.348.321.032.412.4
multi-layered44.417.151.721.047.313.3
stratified22.214.3..13.59.2
clustered structure......
total100.0.100.0.100.0.
ZHn/a......
single-layered25.021.727.33.727.23.7
multi-layered50.025.165.74.065.33.9
stratified25.021.77.02.17.52.2
clustered structure......
total100.0.100.0.100.0.
Switzerlandn/a2.00.41.20.31.60.2
single-layered34.91.235.31.135.10.8
multi-layered46.11.349.91.148.20.8
stratified16.00.912.20.713.90.6
clustered structure0.90.31.40.31.20.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161335/147714

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha18.53.717.74.323.61.832.03.228.63.433.52.626.91.2
20-39 m2/ha46.34.850.65.636.42.039.03.437.13.642.02.739.61.3
40-59 m2/ha31.54.517.74.328.11.921.92.926.43.319.32.124.71.1
from 60 m2/ha3.71.813.93.911.81.47.11.87.92.05.31.28.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterto 19 m2/ha25.52.130.41.834.02.267.55.147.23.859.34.834.81.1
20-39 m2/ha48.62.442.21.928.32.119.74.331.73.628.44.437.71.1
40-59 m2/ha21.62.021.91.624.52.09.23.114.72.710.43.020.60.9
from 60 m2/ha4.41.05.50.913.21.63.52.06.51.91.91.36.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha24.11.829.01.728.21.442.32.937.72.639.62.331.40.8
20-39 m2/ha48.22.143.11.832.81.533.42.734.42.538.72.338.50.8
40-59 m2/ha23.51.821.51.526.51.418.22.220.72.217.11.822.40.7
from 60 m2/ha4.20.96.40.912.41.06.11.47.21.44.51.07.70.5
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, 03.11.2014 #161336/147715

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha7.2224.92647.4823.01118.01340.28140.85
20-39 m2/ha18.01414.21573.1628.11023.31150.57207.14
40-59 m2/ha12.2174.92656.4715.71416.61423.212129.15
from 60 m2/ha1.4503.93023.8125.1255.0266.42345.69
total38.9927.911200.7371.9462.95120.33522.62
outside of perimeterto 19 m2/ha40.0970.1654.2820.01228.31022.412235.04
20-39 m2/ha76.4697.2545.185.82419.01310.718254.33
40-59 m2/ha33.9950.6839.092.7358.9193.930139.05
from 60 m2/ha6.82312.71621.0131.0583.9300.77146.29
total157.13230.62159.3429.61060.1637.89674.52
totalto 19 m2/ha47.2875.06101.7542.9746.4762.66375.83
20-39 m2/ha94.45111.44118.2533.9942.4861.26461.42
40-59 m2/ha46.1855.5795.4518.51325.51127.111268.13
from 60 m2/ha8.32016.61444.786.2238.9197.12291.86
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161337/147716

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonbasal area (standing live trees) %± %± %±
AGto 19 m2/ha33.327.337.84.437.74.4
20-39 m2/ha66.727.346.24.646.74.5
40-59 m2/ha..14.33.213.93.1
from 60 m2/ha..1.71.21.61.2
total100.0.100.0.100.0.
AIto 19 m2/ha20.013.0..12.38.4
20-39 m2/ha10.09.8..6.26.1
40-59 m2/ha50.016.167.819.456.812.7
from 60 m2/ha20.013.032.219.324.711.0
total100.0.100.0.100.0.
ARto 19 m2/ha20.012.912.48.415.37.2
20-39 m2/ha20.012.919.410.119.68.0
40-59 m2/ha30.014.837.212.234.49.4
from 60 m2/ha30.014.831.011.730.69.2
total100.0.100.0.100.0.
BEto 19 m2/ha19.92.735.22.928.42.0
20-39 m2/ha42.53.334.72.938.22.2
40-59 m2/ha29.63.020.02.424.31.9
from 60 m2/ha7.91.810.11.89.11.3
total100.0.100.0.100.0.
BL/BSto 19 m2/ha27.313.522.66.723.66.0
20-39 m2/ha63.614.655.37.957.16.9
40-59 m2/ha9.18.715.15.713.84.9
from 60 m2/ha..7.14.05.53.1
total100.0.100.0.100.0.
FRto 19 m2/ha14.95.237.65.928.44.2
20-39 m2/ha31.96.827.55.429.34.2
40-59 m2/ha38.27.129.15.532.84.4
from 60 m2/ha14.95.25.72.89.52.7
total100.0.100.0.100.0.
GEto 19 m2/ha..44.320.144.320.1
20-39 m2/ha..44.320.144.320.1
40-59 m2/ha..11.410.311.410.3
from 60 m2/ha......
total..100.0.100.0.
GLto 19 m2/ha32.28.931.410.731.96.9
20-39 m2/ha39.19.321.29.531.96.9
40-59 m2/ha10.75.926.110.116.95.5
from 60 m2/ha17.97.321.29.519.35.8
total100.0.100.0.100.0.
GRto 19 m2/ha28.42.744.53.335.42.1
20-39 m2/ha38.42.932.73.135.92.1
40-59 m2/ha26.32.617.12.522.31.8
from 60 m2/ha6.91.55.81.66.51.1
total100.0.100.0.100.0.
JUto 19 m2/ha26.78.120.85.422.84.5
20-39 m2/ha50.09.144.86.646.65.3
40-59 m2/ha20.07.324.15.622.74.5
from 60 m2/ha3.33.310.44.08.02.9
total100.0.100.0.100.0.
LUto 19 m2/ha18.28.321.34.020.83.6
20-39 m2/ha50.010.744.74.845.64.4
40-59 m2/ha22.79.020.84.021.13.6
from 60 m2/ha9.16.213.23.312.52.9
total100.0.100.0.100.0.
NEto 19 m2/ha28.612.125.05.125.64.7
20-39 m2/ha35.712.944.95.943.55.3
40-59 m2/ha35.712.927.45.328.74.9
from 60 m2/ha..2.71.92.31.6
total100.0.100.0.100.0.
NWto 19 m2/ha12.511.925.012.820.09.1
20-39 m2/ha37.517.525.012.830.010.5
40-59 m2/ha50.018.041.714.545.011.3
from 60 m2/ha..8.38.25.05.0
total100.0.100.0.100.0.
OWto 19 m2/ha32.08.936.79.334.36.4
20-39 m2/ha35.69.118.47.527.26.0
40-59 m2/ha25.28.333.79.229.36.2
from 60 m2/ha7.24.911.26.29.23.9
total100.0.100.0.100.0.
SGto 19 m2/ha21.14.319.14.820.23.2
20-39 m2/ha37.85.129.45.534.23.8
40-59 m2/ha24.44.532.45.727.93.6
from 60 m2/ha16.73.919.14.817.73.0
total100.0.100.0.100.0.
SHto 19 m2/ha..14.76.113.95.8
20-39 m2/ha50.035.858.88.558.38.2
40-59 m2/ha50.035.826.57.627.87.5
from 60 m2/ha......
total100.0.100.0.100.0.
SOto 19 m2/ha16.715.326.65.025.94.8
20-39 m2/ha66.719.351.95.752.95.4
40-59 m2/ha16.715.319.04.418.84.3
from 60 m2/ha..2.51.82.41.7
total100.0.100.0.100.0.
SZto 19 m2/ha22.76.324.47.123.54.7
20-39 m2/ha25.06.640.58.132.15.2
40-59 m2/ha38.67.432.47.735.85.4
from 60 m2/ha13.75.22.72.78.73.1
total100.0.100.0.100.0.
TGto 19 m2/ha..35.26.130.35.4
20-39 m2/ha70.014.533.66.038.65.7
40-59 m2/ha30.014.622.85.423.85.1
from 60 m2/ha..8.43.67.33.2
total100.0.100.0.100.0.
TIto 19 m2/ha34.32.967.15.341.82.7
20-39 m2/ha42.83.026.65.039.12.6
40-59 m2/ha17.72.35.02.514.81.9
from 60 m2/ha5.31.41.31.34.31.1
total100.0.100.0.100.0.
URto 19 m2/ha16.16.648.610.130.76.2
20-39 m2/ha42.28.927.99.035.86.5
40-59 m2/ha28.98.211.76.421.25.5
from 60 m2/ha12.86.011.76.412.34.4
total100.0.100.0.100.0.
VDto 19 m2/ha29.96.126.83.127.52.7
20-39 m2/ha29.86.148.13.544.23.1
40-59 m2/ha21.05.420.82.820.82.5
from 60 m2/ha19.35.24.31.47.61.6
total100.0.100.0.100.0.
VSto 19 m2/ha30.93.068.14.742.12.7
20-39 m2/ha38.63.218.93.932.72.6
40-59 m2/ha22.32.79.93.018.62.1
from 60 m2/ha8.11.83.01.76.61.4
total100.0.100.0.100.0.
ZGto 19 m2/ha44.417.117.216.233.812.6
20-39 m2/ha44.417.134.520.240.513.1
40-59 m2/ha11.110.817.216.213.59.2
from 60 m2/ha..31.118.912.28.3
total100.0.100.0.100.0.
ZHto 19 m2/ha50.025.132.23.932.73.9
20-39 m2/ha50.025.140.54.140.84.1
40-59 m2/ha..24.53.623.83.5
from 60 m2/ha..2.81.42.71.3
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha27.01.234.81.131.40.8
20-39 m2/ha39.61.337.91.138.70.8
40-59 m2/ha24.61.120.60.922.30.7
from 60 m2/ha8.80.76.70.67.60.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161338/147717

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
AGto 19 m2/ha0.410018.11218.512
20-39 m2/ha0.87022.11022.910
40-59 m2/ha..6.8236.823
from 60 m2/ha..0.8700.870
total1.25747.9349.12
AIto 19 m2/ha0.669..0.669
20-39 m2/ha0.3100..0.3100
40-59 m2/ha1.6391.4483.027
from 60 m2/ha0.6690.6691.345
total3.2212.0375.212
ARto 19 m2/ha0.6690.6691.347
20-39 m2/ha0.6691.0571.643
40-59 m2/ha1.0551.9362.927
from 60 m2/ha1.0551.6412.630
total3.2255.2178.46
BEto 19 m2/ha15.41433.7949.17
20-39 m2/ha32.9933.2966.16
40-59 m2/ha22.91119.21342.18
from 60 m2/ha6.2239.61915.814
total77.4595.74173.12
BL/BSto 19 m2/ha1.2573.7314.926
20-39 m2/ha2.9369.01711.813
40-59 m2/ha0.41002.4392.936
from 60 m2/ha..1.1581.158
total4.52716.2920.75
FRto 19 m2/ha2.6379.71812.315
20-39 m2/ha5.6247.12112.715
40-59 m2/ha6.7227.52014.214
from 60 m2/ha2.6371.5504.129
total17.61225.7843.33
GEto 19 m2/ha..1.4481.448
20-39 m2/ha..1.4481.448
40-59 m2/ha..0.41000.4100
from 60 m2/ha......
total..3.1203.120
GLto 19 m2/ha3.5312.3405.723
20-39 m2/ha4.2281.5495.723
40-59 m2/ha1.2571.9443.034
from 60 m2/ha1.9431.5493.531
total10.7147.22018.07
GRto 19 m2/ha28.61034.7963.36
20-39 m2/ha38.7825.51164.26
40-59 m2/ha26.61113.31639.98
from 60 m2/ha7.0224.52711.517
total100.9478.06179.02
JUto 19 m2/ha3.1344.7277.820
20-39 m2/ha5.82410.11715.912
40-59 m2/ha2.3405.4257.820
from 60 m2/ha0.41002.3402.736
total11.71522.5834.23
LUto 19 m2/ha1.3497.2198.517
20-39 m2/ha3.52915.11218.610
40-59 m2/ha1.6447.0208.618
from 60 m2/ha0.6704.5265.124
total6.92033.8540.73
NEto 19 m2/ha1.3495.9227.219
20-39 m2/ha1.64410.61412.213
40-59 m2/ha1.6446.5208.118
from 60 m2/ha..0.6700.670
total4.52523.7728.24
NWto 19 m2/ha0.41001.2551.546
20-39 m2/ha1.2551.2552.336
40-59 m2/ha1.5461.9403.526
from 60 m2/ha..0.41000.4100
total3.1294.6207.78
OWto 19 m2/ha3.3313.7307.020
20-39 m2/ha3.7291.8445.523
40-59 m2/ha2.6363.4316.021
from 60 m2/ha0.7701.1571.943
total10.41410.01520.45
SGto 19 m2/ha6.9224.72711.616
20-39 m2/ha12.3167.22119.512
40-59 m2/ha8.0208.02015.913
from 60 m2/ha5.4254.72710.118
total32.5824.61057.14
SHto 19 m2/ha..1.8421.842
20-39 m2/ha0.41007.1157.514
40-59 m2/ha0.41003.2293.627
from 60 m2/ha......
total0.77012.1512.83
SOto 19 m2/ha0.41007.9198.319
20-39 m2/ha1.54915.51217.011
40-59 m2/ha0.41005.7246.123
from 60 m2/ha..0.8700.870
total2.34029.9532.23
SZto 19 m2/ha3.6303.3326.921
20-39 m2/ha4.0285.4249.417
40-59 m2/ha6.2224.32710.515
from 60 m2/ha2.2400.41002.537
total15.91113.41329.34
TGto 19 m2/ha..6.6186.618
20-39 m2/ha2.1366.3198.415
40-59 m2/ha0.9574.3255.222
from 60 m2/ha..1.6441.644
total3.03018.7621.74
TIto 19 m2/ha32.6919.11351.77
20-39 m2/ha40.787.52148.37
40-59 m2/ha16.8141.45018.313
from 60 m2/ha5.0260.41005.425
total95.2428.410123.62
URto 19 m2/ha1.7444.1285.723
20-39 m2/ha4.3262.4376.720
40-59 m2/ha3.0311.0574.027
from 60 m2/ha1.3491.0572.336
total10.3148.41818.78
VDto 19 m2/ha6.52421.11227.610
20-39 m2/ha6.42437.9844.37
40-59 m2/ha4.52816.31420.912
from 60 m2/ha4.2303.4337.622
total21.61278.74100.32
VSto 19 m2/ha24.71123.51148.27
20-39 m2/ha30.996.52237.48
40-59 m2/ha17.8133.43121.312
from 60 m2/ha6.5221.0587.621
total79.9434.59114.43
ZGto 19 m2/ha1.7440.41002.137
20-39 m2/ha1.7440.9682.632
40-59 m2/ha0.41000.41000.968
from 60 m2/ha..0.8710.871
total3.9212.5356.37
ZHto 19 m2/ha0.77016.21316.912
20-39 m2/ha0.77020.51021.210
40-59 m2/ha..12.31512.315
from 60 m2/ha..1.4491.449
total1.44950.4351.82
Switzerlandto 19 m2/ha141.25235.54376.63
20-39 m2/ha206.94256.93463.72
40-59 m2/ha128.35139.45267.73
from 60 m2/ha45.7945.7991.46
total522.12677.421199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161339/147718

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees) %± %± %± %± %± %±
inside perimeterto 19 m2/ha19.13.825.56.119.62.228.71.733.22.626.91.2
20-39 m2/ha48.64.941.26.936.92.738.31.941.82.739.61.3
40-59 m2/ha29.54.519.65.631.22.623.81.619.62.224.71.1
from 60 m2/ha2.91.613.74.812.31.89.21.15.41.28.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterto 19 m2/ha24.22.032.11.927.22.648.92.460.74.834.81.1
20-39 m2/ha51.62.440.22.028.52.628.22.128.54.537.81.1
40-59 m2/ha20.21.922.21.728.22.616.31.88.82.820.60.9
from 60 m2/ha4.00.95.40.916.12.16.61.22.01.46.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha23.21.831.61.823.21.736.81.439.72.331.30.8
20-39 m2/ha51.02.140.31.932.81.934.31.438.72.338.60.8
40-59 m2/ha22.01.822.01.629.81.820.81.217.11.822.40.7
from 60 m2/ha3.80.86.10.914.11.48.20.84.61.07.70.5
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 #161340/147719

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha7.3224.62722.31266.9739.09140.15
20-39 m2/ha18.6137.42242.2889.2649.17206.54
40-59 m2/ha11.3183.53135.7955.4723.012128.95
from 60 m2/ha1.1582.53814.11621.5126.42345.49
total38.3917.914114.34233.03117.53521.02
outside of perimeterto 19 m2/ha39.8968.6629.21175.1622.012234.74
20-39 m2/ha84.7585.7530.61043.4910.318254.73
40-59 m2/ha33.21047.5830.31025.0113.233139.15
from 60 m2/ha6.62311.61717.31410.1180.77146.39
total164.23213.42107.45153.5436.29674.82
totalto 19 m2/ha47.1873.1651.58142.1461.06374.83
20-39 m2/ha103.3493.1572.86132.6459.56461.32
40-59 m2/ha44.5851.0766.0680.3626.211268.03
from 60 m2/ha7.72114.11531.31031.6107.12291.76
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161341/147720

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha21.13.322.02.323.52.930.93.028.23.033.22.627.01.2
20-39 m2/ha46.24.039.32.834.23.238.63.238.53.341.82.739.61.3
40-59 m2/ha26.33.528.82.626.53.022.32.726.02.919.62.224.71.1
from 60 m2/ha6.42.09.91.715.82.48.11.87.21.75.41.28.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterto 19 m2/ha28.81.434.82.926.33.468.14.745.13.560.74.834.81.1
20-39 m2/ha45.01.530.02.826.73.418.93.932.43.328.54.537.71.1
40-59 m2/ha21.41.322.82.630.23.59.93.016.52.68.82.820.60.9
from 60 m2/ha4.80.712.42.016.82.93.01.76.01.72.01.46.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha27.81.327.91.924.72.242.12.736.22.339.72.331.40.8
20-39 m2/ha45.21.435.02.030.92.332.72.635.62.338.72.338.60.8
40-59 m2/ha22.01.226.01.828.12.318.62.121.52.017.11.822.40.7
from 60 m2/ha5.00.611.01.316.21.96.61.46.61.24.61.07.70.5
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 #161342/147721

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha11.81724.91118.11324.71122.11239.09140.65
20-39 m2/ha25.81144.4826.31030.9930.21049.17206.64
40-59 m2/ha14.71532.51020.41217.81320.41223.012128.75
from 60 m2/ha3.63211.21812.1166.5225.6256.42345.49
total55.88112.9476.8579.9478.45117.53521.42
outside of perimeterto 19 m2/ha108.8533.51015.71523.51131.81022.012235.34
20-39 m2/ha170.3428.91115.9146.52222.81210.318254.83
40-59 m2/ha80.8622.01218.0133.43111.6173.233139.15
from 60 m2/ha18.31411.91710.0181.0584.2280.77146.29
total378.2196.3559.7634.5970.4636.29675.32
totalto 19 m2/ha120.6558.4733.8948.2753.9761.06375.93
20-39 m2/ha196.0373.2642.2837.4853.0759.56461.42
40-59 m2/ha95.5554.5738.4821.31232.0926.211267.83
from 60 m2/ha21.81323.11222.1127.6219.9187.12291.66
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161343/147722

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionbasal area (standing live trees) %± %± %±
Western Jurato 19 m2/ha19.84.224.02.323.12.0
20-39 m2/ha45.15.250.92.749.72.4
40-59 m2/ha31.94.920.72.223.12.0
from 60 m2/ha3.31.94.41.14.11.0
total100.0.100.0.100.0.
Eastern Jurato 19 m2/ha14.39.425.04.223.83.9
20-39 m2/ha71.412.153.84.855.84.5
40-59 m2/ha14.39.418.53.818.13.5
from 60 m2/ha..2.61.52.31.3
total100.0.100.0.100.0.
Western Plateauto 19 m2/ha25.312.728.94.428.54.2
20-39 m2/ha24.112.239.34.737.84.5
40-59 m2/ha8.48.126.24.324.44.0
from 60 m2/ha42.214.35.62.29.32.7
total100.0.100.0.100.0.
Central Plateauto 19 m2/ha27.39.532.13.331.63.1
20-39 m2/ha40.910.541.33.541.33.3
40-59 m2/ha22.79.019.52.819.82.7
from 60 m2/ha9.16.17.11.87.31.8
total100.0.100.0.100.0.
Eastern Plateauto 19 m2/ha23.510.333.32.732.82.6
20-39 m2/ha52.912.139.72.840.42.8
40-59 m2/ha23.510.322.72.422.72.4
from 60 m2/ha..4.31.24.11.1
total100.0.100.0.100.0.
Western Pre-Alpsto 19 m2/ha22.24.937.26.828.44.1
20-39 m2/ha33.35.621.65.828.54.1
40-59 m2/ha30.65.427.66.329.34.1
from 60 m2/ha13.94.113.64.813.83.1
total100.0.100.0.100.0.
Central Pre-Alpsto 19 m2/ha19.13.431.33.825.62.6
20-39 m2/ha41.24.332.03.836.32.9
40-59 m2/ha32.14.123.33.527.42.7
from 60 m2/ha7.62.313.32.810.71.8
total100.0.100.0.100.0.
Eastern Pre-Alpsto 19 m2/ha18.43.615.53.717.12.6
20-39 m2/ha34.24.526.84.530.83.2
40-59 m2/ha30.74.336.14.933.23.2
from 60 m2/ha16.73.521.74.219.02.7
total100.0.100.0.100.0.
Northwestern Alpsto 19 m2/ha25.54.241.06.131.33.5
20-39 m2/ha40.94.731.75.737.53.7
40-59 m2/ha23.64.118.14.721.63.1
from 60 m2/ha10.02.99.23.69.72.2
total100.0.100.0.100.0.
Central Alpsto 19 m2/ha20.66.138.07.728.95.0
20-39 m2/ha31.97.132.47.432.25.1
40-59 m2/ha31.77.019.76.326.04.8
from 60 m2/ha15.85.59.94.713.03.7
total100.0.100.0.100.0.
Northeastern Alpsto 19 m2/ha33.36.039.48.535.44.9
20-39 m2/ha36.56.121.27.131.24.7
40-59 m2/ha15.94.627.37.819.84.1
from 60 m2/ha14.34.412.15.713.53.5
total100.0.100.0.100.0.
Southwestern Alpsto 19 m2/ha30.93.068.14.742.12.7
20-39 m2/ha38.63.218.93.932.72.6
40-59 m2/ha22.32.79.93.018.62.1
from 60 m2/ha8.11.83.01.76.61.4
total100.0.100.0.100.0.
Southeastern Alpsto 19 m2/ha28.23.045.13.536.22.3
20-39 m2/ha38.53.332.43.335.62.3
40-59 m2/ha26.02.916.52.621.52.0
from 60 m2/ha7.21.76.01.76.61.2
total100.0.100.0.100.0.
Southern Alpsto 19 m2/ha33.22.660.74.839.72.3
20-39 m2/ha41.82.728.54.538.72.3
40-59 m2/ha19.62.28.82.817.11.8
from 60 m2/ha5.41.22.01.44.61.0
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha26.91.234.71.131.30.8
20-39 m2/ha39.61.337.81.138.60.8
40-59 m2/ha24.71.120.70.922.40.7
from 60 m2/ha8.80.76.80.67.70.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161344/147723

NFI4b

forest area: protection forest perimeter SilvaProtect · basal area (standing live trees) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha6.42329.31035.89
20-39 m2/ha14.61562.2676.85
40-59 m2/ha10.41825.31135.79
from 60 m2/ha1.1585.3256.423
total32.59122.23154.72
Eastern Jurato 19 m2/ha0.87010.71711.516
20-39 m2/ha4.03022.91026.98
40-59 m2/ha0.8707.9218.719
from 60 m2/ha..1.1581.158
total5.52542.7448.22
Western Plateauto 19 m2/ha1.25712.71613.915
20-39 m2/ha1.25817.31318.412
40-59 m2/ha0.410011.51711.917
from 60 m2/ha2.1442.5404.529
total4.92843.9448.73
Central Plateauto 19 m2/ha1.94020.01121.810
20-39 m2/ha2.83325.7928.58
40-59 m2/ha1.54412.21513.714
from 60 m2/ha0.6714.4265.024
total6.82062.3369.12
Eastern Plateauto 19 m2/ha1.45035.8837.28
20-39 m2/ha3.23342.5745.87
40-59 m2/ha1.45024.31125.710
from 60 m2/ha..4.7274.727
total6.124107.32113.32
Western Pre-Alpsto 19 m2/ha5.9247.02212.915
20-39 m2/ha8.9194.12912.915
40-59 m2/ha8.1205.22513.314
from 60 m2/ha3.7302.6376.323
total26.6818.81245.54
Central Pre-Alpsto 19 m2/ha9.01916.91425.811
20-39 m2/ha19.41217.21336.68
40-59 m2/ha15.11412.61627.610
from 60 m2/ha3.6317.22210.817
total47.0753.86100.82
Eastern Pre-Alpsto 19 m2/ha7.5215.42512.915
20-39 m2/ha13.9159.31923.211
40-59 m2/ha12.51612.51625.010
from 60 m2/ha6.8227.52114.315
total40.7734.6875.33
Northwestern Alpsto 19 m2/ha10.0189.71819.712
20-39 m2/ha16.1137.52123.610
40-59 m2/ha9.3184.32813.615
from 60 m2/ha3.9292.2416.124
total39.3723.61162.94
Central Alpsto 19 m2/ha3.1325.3258.419
20-39 m2/ha4.8254.5279.417
40-59 m2/ha4.8252.7347.619
from 60 m2/ha2.4371.4493.829
total15.21213.91429.17
Northeastern Alpsto 19 m2/ha7.5204.72612.215
20-39 m2/ha8.2192.53710.716
40-59 m2/ha3.6313.2326.821
from 60 m2/ha3.2321.4494.726
total22.6911.81534.45
Southwestern Alpsto 19 m2/ha24.71123.51148.27
20-39 m2/ha30.996.52237.48
40-59 m2/ha17.8133.43121.312
from 60 m2/ha6.5221.0587.621
total79.9434.59114.43
Southeastern Alpsto 19 m2/ha22.11231.81053.97
20-39 m2/ha30.21022.81253.07
40-59 m2/ha20.41211.61732.09
from 60 m2/ha5.6254.2289.918
total78.4570.46148.92
Southern Alpsto 19 m2/ha39.0922.01261.06
20-39 m2/ha49.1710.31859.56
40-59 m2/ha23.0123.23326.211
from 60 m2/ha6.4230.7717.122
total117.5336.29153.82
Switzerlandto 19 m2/ha140.65234.54375.23
20-39 m2/ha207.34255.43462.72
40-59 m2/ha129.25139.95269.13
from 60 m2/ha45.9946.2992.16
total523.12676.121199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161345/147724

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %± %±
inside perimetercritical0.90.91.31.37.51.113.32.48.42.16.51.37.30.7
less stable34.24.645.65.648.42.145.73.434.83.651.82.745.91.3
stable64.84.653.25.644.22.141.03.456.73.741.72.746.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.30.72.60.66.81.217.44.17.52.09.02.75.00.5
less stable31.02.236.81.945.72.431.45.036.93.736.64.737.31.1
stable66.82.360.61.947.52.451.25.455.63.854.44.857.71.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.00.62.50.67.20.814.52.18.01.57.11.26.00.4
less stable31.62.037.81.847.21.641.52.935.82.648.22.441.10.8
stable66.42.059.81.845.61.644.02.956.22.744.82.452.90.8
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 #161346/147725

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical0.41000.410015.0159.6185.3257.82138.39
less stable13.31612.71697.0532.8921.91262.36240.13
stable25.21114.91588.7629.5935.7950.27244.23
total38.9927.911200.7371.9462.95120.33522.62
outside of perimetercritical3.6316.02410.8185.2254.5273.43133.510
less stable48.6884.9572.969.31922.21213.816251.73
stable104.94139.7475.6615.11433.4920.613389.32
total157.13230.62159.3429.61060.1637.89674.52
totalcritical4.0306.42325.81114.7149.81811.21771.87
less stable62.0697.65169.9442.1744.1876.15491.92
stable130.13154.63164.3444.6769.1570.86633.52
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161347/147726

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand stability %± %± %±
AGcritical......
less stable66.727.337.04.437.74.4
stable33.327.363.04.462.34.4
total100.0.100.0.100.0.
AIcritical......
less stable40.015.816.115.230.811.8
stable60.015.783.915.269.211.8
total100.0.100.0.100.0.
ARcritical10.09.7..3.83.8
less stable20.012.956.612.642.69.9
stable70.014.743.412.553.69.9
total100.0.100.0.100.0.
BEcritical4.41.45.41.34.91.0
less stable39.83.344.73.042.52.2
stable55.83.349.93.052.52.2
total100.0.100.0.100.0.
BL/BScritical......
less stable45.515.135.27.637.46.8
stable54.515.164.87.662.66.8
total100.0.100.0.100.0.
FRcritical..7.33.14.31.9
less stable51.07.343.56.046.64.7
stable49.07.349.26.049.14.7
total100.0.100.0.100.0.
GEcritical......
less stable..29.518.729.518.7
stable..70.518.770.518.7
total..100.0.100.0.
GLcritical10.75.910.67.210.74.6
less stable53.79.547.311.651.27.4
stable35.59.142.011.438.17.1
total100.0.100.0.100.0.
GRcritical6.51.57.51.87.01.1
less stable39.82.935.43.237.92.1
stable53.72.957.03.355.12.2
total100.0.100.0.100.0.
JUcritical..6.93.44.62.2
less stable33.38.637.96.436.35.2
stable66.78.655.26.659.15.3
total100.0.100.0.100.0.
LUcritical18.28.36.52.48.52.5
less stable54.510.638.44.741.14.4
stable27.39.555.14.850.44.4
total100.0.100.0.100.0.
NEcritical......
less stable28.612.131.45.531.05.0
stable71.412.168.65.569.05.0
total100.0.100.0.100.0.
NWcritical12.511.9..5.05.0
less stable50.018.075.012.665.010.8
stable37.517.525.012.830.010.5
total100.0.100.0.100.0.
OWcritical14.16.6..7.23.5
less stable61.19.229.98.945.86.7
stable24.88.270.18.947.06.8
total100.0.100.0.100.0.
SGcritical5.62.41.51.53.81.5
less stable53.35.348.66.151.34.0
stable41.15.250.06.144.94.0
total100.0.100.0.100.0.
SHcritical..2.92.92.82.8
less stable..26.57.625.07.3
stable100.0.70.67.872.27.4
total100.0.100.0.100.0.
SOcritical..1.31.31.21.2
less stable100.0.31.65.336.55.2
stable..67.15.362.45.3
total100.0.100.0.100.0.
SZcritical11.44.85.43.78.63.1
less stable45.57.537.88.042.05.5
stable43.27.556.88.249.45.6
total100.0.100.0.100.0.
TGcritical..3.22.22.81.9
less stable40.015.642.56.342.15.9
stable60.015.654.46.355.15.9
total100.0.100.0.100.0.
TIcritical6.81.59.53.27.41.4
less stable54.23.137.55.450.32.7
stable39.13.053.05.642.32.7
total100.0.100.0.100.0.
URcritical9.65.312.36.710.84.2
less stable45.49.052.510.048.66.7
stable45.09.035.29.540.66.6
total100.0.100.0.100.0.
VDcritical8.83.82.91.24.21.2
less stable47.46.628.93.232.92.9
stable43.86.668.23.263.03.0
total100.0.100.0.100.0.
VScritical12.92.216.03.713.81.9
less stable45.43.331.04.641.12.7
stable41.73.253.05.045.12.7
total100.0.100.0.100.0.
ZGcritical......
less stable44.417.117.216.233.812.6
stable55.617.082.816.266.212.7
total100.0.100.0.100.0.
ZHcritical25.021.73.51.54.11.6
less stable50.025.135.04.035.44.0
stable25.021.761.54.160.54.0
total100.0.100.0.100.0.
Switzerlandcritical7.30.74.90.55.90.4
less stable46.11.337.21.141.10.8
stable46.61.357.91.153.00.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161348/147727

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical......
less stable0.87017.71218.512
stable0.410030.2730.67
total1.25747.9349.12
AIcritical......
less stable1.3450.31001.639
stable1.9341.7423.622
total3.2212.0375.212
ARcritical0.3100..0.3100
less stable0.6692.9293.625
stable2.2332.2334.518
total3.2255.2178.46
BEcritical3.4315.1258.520
less stable30.81042.8873.65
stable43.2847.8890.95
total77.4595.74173.12
BL/BScritical......
less stable2.0435.7237.719
stable2.43910.51513.012
total4.52716.2920.75
FRcritical..1.9441.944
less stable9.01911.21620.210
stable8.61912.71521.310
total17.61225.7843.33
GEcritical......
less stable..0.9650.965
stable..2.2342.234
total..3.1203.120
GLcritical1.2570.8701.943
less stable5.8223.4319.216
stable3.8293.0346.920
total10.7147.22018.07
GRcritical6.6235.92412.516
less stable40.2827.61167.86
stable54.2744.5898.74
total100.9478.06179.02
JUcritical..1.6491.649
less stable3.9308.51912.415
stable7.82012.41520.29
total11.71522.5834.23
LUcritical1.3492.2373.529
less stable3.82813.01316.811
stable1.94018.61020.59
total6.92033.8540.73
NEcritical......
less stable1.3497.4198.717
stable3.23016.21019.49
total4.52523.7728.24
NWcritical0.4100..0.4100
less stable1.5463.5265.019
stable1.2551.2552.336
total3.1294.6207.78
OWcritical1.549..1.549
less stable6.4203.0339.315
stable2.6367.0209.616
total10.41410.01520.45
SGcritical1.8440.41002.240
less stable17.31311.91629.39
stable13.41512.31625.610
total32.5824.61057.14
SHcritical..0.41000.4100
less stable..3.2293.229
stable0.7708.5129.311
total0.77012.1512.83
SOcritical..0.41000.4100
less stable2.3409.51811.715
stable..20.1920.19
total2.34029.9532.23
SZcritical1.8440.7702.536
less stable7.2205.12512.314
stable6.9207.62014.512
total15.91113.41329.34
TGcritical..0.6700.670
less stable1.2497.9179.115
stable1.83910.21311.911
total3.03018.7621.74
TIcritical6.4232.7359.119
less stable51.6710.61862.26
stable37.2915.11552.37
total95.2428.410123.62
URcritical1.0571.0582.040
less stable4.7254.4269.117
stable4.6243.0317.617
total10.3148.41818.78
VDcritical1.9442.3404.230
less stable10.21822.81233.09
stable9.51953.7663.25
total21.61278.74100.32
VScritical10.3185.52515.814
less stable36.3810.71747.07
stable33.3918.31351.67
total79.9434.59114.43
ZGcritical......
less stable1.7440.41002.137
stable2.1372.1404.221
total3.9212.5356.37
ZHcritical0.41001.8442.140
less stable0.77017.61218.312
stable0.410031.0731.47
total1.44950.4351.82
Switzerlandcritical38.2933.11071.37
less stable240.63252.33492.92
stable243.33392.02635.32
total522.12677.421199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161349/147728

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
inside perimetercritical1.00.92.01.96.91.49.71.16.01.37.30.7
less stable34.34.641.16.946.12.845.21.951.82.745.91.3
stable64.84.756.96.947.02.845.21.942.22.746.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.40.72.50.66.41.49.11.49.32.85.00.5
less stable30.72.237.42.045.02.938.92.337.04.837.31.1
stable66.92.260.12.048.62.952.02.453.74.957.71.1
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.20.62.40.66.71.09.40.96.81.26.00.4
less stable31.42.037.71.945.52.042.71.548.32.441.00.8
stable66.52.059.91.947.82.047.91.544.92.453.00.9
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 #161350/147729

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical0.41000.41007.92122.5127.02238.29
less stable13.1167.42252.67105.2560.96239.23
stable24.81110.21853.77105.2549.67243.53
total38.3917.914114.34233.03117.53521.02
outside of perimetercritical4.0305.3266.82314.0163.43133.510
less stable50.4879.8648.3859.8713.416251.63
stable109.94128.3452.2879.8619.513389.72
total164.23213.42107.45153.5436.29674.82
totalcritical4.4295.62514.81536.5910.41871.77
less stable63.5687.25100.95165.0474.35490.92
stable134.73138.53105.95185.0369.16633.22
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161351/147730

NFI4b

forest area: protection forest perimeter SilvaProtect · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %± %±
inside perimetercritical1.30.97.01.48.31.912.92.27.61.86.01.37.40.7
less stable36.53.948.92.847.23.445.43.339.03.351.82.746.01.3
stable62.23.944.12.844.53.341.73.253.43.342.22.746.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetercritical2.50.57.11.65.21.716.03.77.41.89.32.84.90.5
less stable34.51.547.93.144.33.831.04.635.53.437.04.837.31.1
stable63.01.544.93.050.53.953.05.057.23.553.74.957.71.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.47.11.17.01.313.81.97.51.36.81.26.00.4
less stable34.81.448.42.145.92.541.12.737.32.448.32.441.10.8
stable62.91.444.52.147.12.545.12.755.22.444.92.452.90.8
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 #161352/147731
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