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NFI3

forest area: crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
crown closure
n/acrowdednormallooseopenscatteredgrouped crowdedgrouped normalheterogeneoustotal
economic region %± %± %± %± %± %± %± %± %± %±
Western Jura0.70.323.11.430.41.615.01.216.01.38.00.92.30.52.20.52.20.5100.0.
Eastern Jura2.10.940.73.235.83.113.22.25.41.42.91.1......100.0.
Western Plateau4.91.328.72.830.22.812.82.110.51.96.81.53.01.11.50.81.50.8100.0.
Central Plateau2.20.729.82.335.42.413.11.712.81.63.91.00.70.4..2.20.7100.0.
Eastern Plateau2.60.629.11.837.62.014.91.410.61.23.90.80.70.3..0.70.3100.0.
Western Pre-Alps7.31.618.62.524.22.711.72.012.52.15.61.59.61.94.41.36.01.5100.0.
Central Pre-Alps4.90.918.81.724.11.813.01.416.11.67.81.15.81.04.00.85.41.0100.0.
Eastern Pre-Alps3.10.821.72.024.82.112.61.619.31.97.61.34.81.04.51.01.70.6100.0.
Northwestern Alps3.81.015.32.025.42.49.11.610.91.710.01.610.91.79.11.65.31.2100.0.
Central Alps3.41.521.13.417.83.217.73.217.73.28.82.36.72.04.11.62.71.4100.0.
Northeastern Alps4.01.532.83.512.82.58.32.117.32.812.82.56.71.91.71.03.41.4100.0.
Southwestern Alps1.70.514.21.417.51.511.11.214.71.413.11.312.11.311.21.24.40.8100.0.
Southeastern Alps2.50.511.31.113.61.211.41.118.91.415.61.39.71.08.41.08.71.0100.0.
Southern Alps0.70.324.31.519.71.413.11.211.01.112.11.18.50.95.30.85.30.8100.0.
Switzerland2.60.222.10.524.80.512.80.414.10.49.20.46.00.34.50.33.90.2100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134887/121262

NFI3

forest area: crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
crown closure
n/acrowdednormallooseopenscatteredgrouped crowdedgrouped normalheterogeneoustotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura1.14135.6646.7523.1824.7812.3123.6223.4233.423154.01
Eastern Jura1.04419.2816.996.2172.5271.437......47.22
Western Plateau2.42714.21014.9106.3165.2183.4231.5350.7500.75049.43
Central Plateau1.53320.7824.679.1138.9132.7250.558..1.53369.62
Eastern Plateau2.92532.2741.7516.51011.8124.3200.750..0.750110.91
Western Pre-Alps3.3238.51311.0115.3185.7172.6264.4202.0302.72545.53
Central Pre-Alps4.81918.7923.9812.91116.0107.7155.8174.0215.41899.22
Eastern Pre-Alps2.32816.0918.399.31314.2105.6173.5223.3231.23873.92
Northwestern Alps2.3279.41315.5105.6176.7166.1176.7165.6183.22361.03
Central Alps0.9445.8174.9184.9184.9192.4271.8311.1400.85027.65
Northeastern Alps1.23810.0113.9202.5255.3173.9202.0280.5571.04130.44
Southwestern Alps1.93015.91019.4912.31116.41014.51013.51112.5114.918111.32
Southeastern Alps3.52216.11019.4916.31026.9722.2813.81112.11212.411142.82
Southern Alps1.14136.8629.8719.8916.71018.3912.9118.1148.114151.62
Switzerland30.38259.12291.12150.23165.93107.6470.7553.3646.261174.41

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134888/121263

NFI3

forest area: stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand structure %± %± %± %± %± %± %±
n/a0.70.33.10.54.40.51.80.52.20.60.70.32.60.2
single-layered32.71.438.51.336.71.144.02.140.41.952.81.739.60.6
multi-layered51.31.552.31.334.51.134.32.023.61.627.01.539.10.6
stratified14.31.16.10.620.60.918.01.629.81.817.91.316.70.5
clustered structure1.00.3..3.80.41.90.64.00.81.50.42.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134889/121264

NFI3

forest area: stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.4357.91515.4111.7322.6261.14130.18
single-layered63.7498.93128.4343.5547.7582.14464.32
multi-layered100.03134.33120.5333.9627.9742.16458.52
stratified27.9815.61072.0517.7935.1627.97196.23
clustered structure2.030..13.2111.9304.7192.42724.28
total195.01256.61349.4198.72118.12155.521173.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134890/121265

NFI3

forest area: stand structure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand structure %± %± %± %± %± %±
n/a1.00.32.90.54.70.62.60.30.70.32.60.2
single-layered32.51.439.51.435.01.440.81.152.61.739.60.6
multi-layered52.41.551.01.438.01.429.91.027.51.539.10.6
stratified13.11.06.50.719.71.122.80.917.71.316.70.5
clustered structure1.00.3..2.60.53.80.41.50.42.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134891/121266

NFI3

forest area: stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a2.0306.81610.4139.8131.14130.08
single-layered65.3490.9476.54151.4379.74463.82
multi-layered105.53117.3383.04111.1341.76458.52
stratified26.4815.01143.0684.6426.88195.83
clustered structure2.030..5.71814.1112.22824.08
total201.21230.01218.61370.81151.621172.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134892/121267

NFI3

forest area: stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand structure %± %± %± %± %± %± %±
n/a2.00.35.10.73.40.71.70.52.50.50.70.32.60.2
single-layered36.31.035.21.438.01.843.11.940.71.752.61.739.60.6
multi-layered51.71.029.81.443.71.835.41.925.31.527.51.539.10.6
stratified9.60.625.41.313.21.217.91.527.21.617.71.316.70.5
clustered structure0.50.14.60.61.70.51.80.54.40.71.50.42.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134893/121268

NFI3

forest area: stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a8.81410.5134.4201.9303.5221.14130.28
single-layered156.4372.4449.2548.0558.1579.74463.92
multi-layered222.8261.2556.7539.4636.1641.76457.82
stratified41.3652.2517.11020.0938.8626.88196.23
clustered structure2.0309.4142.3282.1296.3162.22824.28
total431.21205.71129.72111.32142.82151.621172.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134894/121269

NFI3

forest area: stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
stand structure
n/asingle-layeredmulti-layeredstratifiedclustered structuretotal
economic region %± %± %± %± %± %±
Western Jura0.70.331.01.651.21.715.81.21.30.4100.0.
Eastern Jura2.10.937.53.156.73.23.71.2..100.0.
Western Plateau4.91.337.03.049.83.18.31.7..100.0.
Central Plateau2.20.739.02.450.42.58.51.4..100.0.
Eastern Plateau2.60.641.02.052.02.04.40.8..100.0.
Western Pre-Alps7.31.639.93.125.02.824.62.73.21.1100.0.
Central Pre-Alps4.90.930.32.034.62.026.81.93.40.8100.0.
Eastern Pre-Alps3.10.838.32.450.02.47.41.31.20.5100.0.
Northwestern Alps3.81.039.82.725.42.423.62.37.41.4100.0.
Central Alps3.41.538.74.034.13.921.83.42.11.2100.0.
Northeastern Alps4.01.536.73.636.83.619.63.02.81.2100.0.
Southwestern Alps1.70.543.11.935.41.917.91.51.80.5100.0.
Southeastern Alps2.50.540.71.725.31.527.21.64.40.7100.0.
Southern Alps0.70.352.61.727.51.517.71.31.50.4100.0.
Switzerland2.60.239.60.639.10.616.70.52.10.2100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134895/121270

NFI3

forest area: stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
stand structure
n/asingle-layeredmulti-layeredstratifiedclustered structuretotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura1.14147.8578.8424.482.030154.01
Eastern Jura1.04417.7826.861.833..47.22
Western Plateau2.42718.3824.674.121..49.43
Central Plateau1.53327.2635.155.916..69.62
Eastern Plateau2.92545.5557.644.919..110.91
Western Pre-Alps3.32318.2811.41111.2111.53545.53
Central Pre-Alps4.81930.0734.3626.673.42399.22
Eastern Pre-Alps2.32828.3736.955.4170.94573.92
Northwestern Alps2.32724.3715.51014.4104.52061.03
Central Alps0.94410.7129.4126.0160.65727.65
Northeastern Alps1.23811.21111.2116.0160.84430.44
Southwestern Alps1.93048.0539.4620.092.129111.32
Southeastern Alps3.52258.1536.1638.866.316142.82
Southern Alps1.14179.7441.7626.882.228151.62
Switzerland30.38464.92458.82196.2324.281174.41

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134896/121271

NFI3

forest area: stand age (classes of 20 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 20 years) %± %± %± %± %± %± %±
0 (unstocked)2.00.44.40.93.10.91.30.61.50.61.00.52.30.3
1-2011.00.96.51.08.11.45.41.36.21.23.60.97.80.5
21-4010.40.95.51.09.91.514.12.012.41.618.21.911.10.5
41-606.90.74.20.83.81.06.91.44.21.015.11.86.80.4
61-8010.60.96.41.08.51.47.91.53.20.99.01.48.30.5
81-10017.01.17.61.110.61.65.01.22.70.86.01.210.40.5
101-12014.21.012.21.412.81.73.51.07.71.35.11.110.80.5
121-14010.30.99.61.27.71.46.01.37.01.33.91.08.30.5
141-1604.30.67.81.112.81.710.41.710.51.54.11.07.20.4
161-1801.70.44.40.94.01.05.01.24.71.12.20.73.20.3
over 1800.80.34.40.95.31.28.51.613.21.75.41.14.80.4
uneven-aged10.70.926.91.913.31.826.12.526.42.226.52.219.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134897/121272

NFI3

forest area: stand age (classes of 20 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 20 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)8.6209.0204.0301.4502.1411.45026.512
1-2047.2813.31610.5185.8248.7205.32590.96
21-4044.7911.21812.81615.41417.51426.511128.15
41-6029.7118.7205.0277.5216.02422.01278.86
61-8045.4813.01611.1178.6194.52713.11695.66
81-10073.0615.51513.8155.5253.9308.820120.45
101-12061.2724.91116.6143.83010.9177.521124.85
121-14044.4919.51310.0186.5229.8185.72595.96
141-16018.61415.91516.61411.31714.8156.02483.26
161-1807.5229.0205.2255.5256.7223.23337.010
over 1803.6329.0206.9229.31918.6137.82155.28
uneven-aged46.2854.8717.31328.51037.2938.68222.54
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134898/121273

NFI3

forest area: stand age (classes of 20 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
stand age (classes of 20 years)
0 (unstocked)1-2021-4041-6061-8081-100101-120121-140141-160161-180over 180uneven-agedtotal
economic region %± %± %± %± %± %± %± %± %± %± %± %± %±
Western Jura0.70.45.81.16.51.23.70.97.21.315.91.815.71.815.21.77.01.23.00.81.40.617.81.9100.0.
Eastern Jura2.51.416.43.47.42.413.13.112.33.016.33.311.52.97.42.44.92.0..0.80.87.42.4100.0.
Western Plateau5.12.012.73.110.22.89.22.713.63.217.63.511.12.97.72.51.71.22.61.51.71.26.82.3100.0.
Central Plateau2.71.113.12.315.92.57.21.710.52.117.72.614.02.38.61.92.71.11.80.90.50.55.41.5100.0.
Eastern Plateau1.90.813.71.913.11.97.71.513.41.917.92.214.72.07.01.42.60.90.30.3..7.71.5100.0.
Western Pre-Alps7.42.45.82.15.82.110.82.810.82.810.82.811.62.95.82.15.82.12.41.41.71.221.53.7100.0.
Central Pre-Alps3.71.15.11.35.91.41.80.85.51.47.41.614.72.212.52.05.91.44.01.25.51.427.92.7100.0.
Eastern Pre-Alps2.41.16.31.711.22.22.91.28.31.911.72.217.02.68.31.914.12.43.41.34.91.59.72.1100.0.
Northwestern Alps3.51.49.32.24.61.63.51.44.71.65.81.88.72.27.62.012.22.56.41.94.61.629.13.5100.0.
Central Alps1.31.310.33.510.33.51.31.36.52.812.83.85.12.56.42.814.14.08.93.26.42.816.74.2100.0.
Northeastern Alps5.62.49.03.06.72.77.92.911.23.46.72.710.13.27.92.99.03.01.11.15.62.419.14.2100.0.
Southwestern Alps1.30.65.41.314.12.06.91.47.91.55.01.23.51.06.01.310.41.75.01.28.51.626.12.5100.0.
Southeastern Alps1.50.66.21.212.41.64.21.03.20.92.70.87.71.37.01.310.51.54.71.113.21.726.42.2100.0.
Southern Alps1.00.53.60.918.21.915.11.89.01.46.01.25.11.13.91.04.11.02.20.75.41.126.52.2100.0.
Switzerland2.30.37.80.511.00.56.80.48.30.510.40.510.80.58.30.57.20.43.20.34.80.419.20.7100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134899/121274

NFI3

forest area: stand age (classes of 20 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
stand age (classes of 20 years)
0 (unstocked)1-2021-4041-6061-8081-100101-120121-140141-160161-180over 180uneven-agedtotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura1.1588.92010.0185.72511.11724.31123.91123.21210.7184.6272.24127.211152.82
Eastern Jura1.2577.9213.6326.3235.9247.9215.5253.6322.440..0.41003.63248.22
Western Plateau2.5406.1254.9284.5296.6238.5205.4263.7320.8701.2570.8703.33448.43
Central Plateau1.9409.01710.9165.0247.22012.2159.6175.9221.9401.2500.31003.72868.72
Eastern Plateau2.14115.41414.7158.62015.01420.01216.4147.9212.9350.4100..8.620111.92
Western Pre-Alps3.3332.6372.6374.8264.8264.8265.2252.6372.6371.1580.7709.61844.84
Central Pre-Alps3.6315.0265.7241.8445.4257.22214.31512.2165.7243.9305.42527.31097.52
Eastern Pre-Alps1.8444.6278.2202.1406.1238.61912.5166.12310.4182.5373.6317.12273.63
Northwestern Alps2.1405.7242.9352.1402.9353.6315.4254.7277.5213.9292.93517.91261.54
Central Alps0.31002.8342.8340.31001.7443.5311.4491.7443.8292.4371.7444.52627.07
Northeastern Alps1.8442.9342.1402.5373.6312.1403.2322.5372.9340.41001.8446.12231.96
Southwestern Alps1.4505.82415.4147.5218.6195.5253.8306.52211.3175.5259.31928.510109.13
Southeastern Alps2.1418.72017.5146.0244.5273.93010.9179.81814.8156.72218.61337.29140.62
Southern Alps1.4505.32526.51122.01213.1168.8207.5215.7256.0243.2337.82138.68145.72
Switzerland26.61290.86127.8579.3696.46120.75125.0596.0683.6637.01055.48223.041161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134900/121275

NFI3

forest area: stand age (classes of 40 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years) %± %± %± %± %± %± %±
0 (unstocked)0.70.43.00.63.60.61.40.71.50.70.90.52.30.3
1-4014.11.526.41.614.61.118.62.318.22.122.72.018.90.7
41-8013.41.519.81.511.81.014.42.16.71.423.52.115.00.6
81-12030.72.032.21.719.51.38.41.69.71.610.91.521.10.7
121-16021.41.810.51.118.91.315.42.116.52.07.81.315.50.6
over 1604.50.91.40.49.10.914.42.120.72.27.41.38.00.5
uneven-aged15.21.66.70.922.61.327.42.626.72.426.82.219.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134901/121276

NFI3

forest area: stand age (classes of 40 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)1.4507.82112.6171.4501.8441.45026.412
1-4027.41167.9650.3818.11321.11234.09218.74
41-8025.91150.9840.6914.0157.72135.29174.54
81-12059.4782.8667.178.22011.31716.314245.23
121-16041.4826.91165.3715.11419.11311.817179.54
over 1608.6203.53131.21014.01524.01111.11792.56
uneven-aged29.61017.31477.8626.71031.0940.28222.64
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134902/121277

NFI3

forest area: stand age (classes of 40 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand age (classes of 40 years) %± %± %± %± %± %±
0 (unstocked)1.10.42.80.64.00.82.10.41.00.52.30.3
1-4014.91.526.81.713.41.418.11.221.82.018.90.7
41-8014.21.520.31.611.51.310.81.024.02.115.10.6
81-12030.72.031.61.824.41.811.61.011.21.621.20.7
121-16020.01.710.11.218.41.617.61.28.01.315.50.6
over 1603.60.81.70.58.01.114.31.17.51.37.90.5
uneven-aged15.51.56.81.020.41.625.41.326.52.219.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134903/121278

NFI3

forest area: stand age (classes of 40 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)2.2416.3238.6207.7211.45026.312
1-4029.91061.5728.81166.4731.810218.54
41-8028.51146.4824.91139.6935.09174.44
81-12061.7772.4652.6742.6916.314245.63
121-16040.1923.21239.6964.7711.717179.44
over 1607.3223.93017.31452.6811.01792.06
uneven-aged31.01015.51544.0893.2538.68222.24
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134904/121279

NFI3

forest area: stand age (classes of 40 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years) %± %± %± %± %± %± %±
0 (unstocked)2.00.44.40.93.10.91.30.61.50.61.00.52.30.3
1-4021.41.212.01.417.92.019.52.218.71.921.82.018.90.7
41-8017.51.110.61.312.41.714.82.07.51.324.02.115.10.6
81-12031.21.319.81.723.52.28.51.610.51.511.21.621.20.7
121-16014.61.017.31.620.52.116.42.117.51.98.01.315.40.6
over 1602.60.58.81.29.31.513.51.918.01.97.51.38.00.5
uneven-aged10.70.926.91.913.31.826.12.526.42.226.52.219.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134905/121280

NFI3

forest area: stand age (classes of 40 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)8.6209.0204.0301.4502.1411.45026.512
1-4091.9624.51223.21121.31226.21131.810218.94
41-8075.1621.61216.11416.11410.51835.09174.54
81-120134.1440.4930.4109.31914.71516.314245.23
121-16063.0735.3926.61017.81324.61111.717179.04
over 16011.11818.01412.11614.71425.31111.01792.26
uneven-aged46.2854.8717.31328.51037.2938.68222.54
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134906/121281

NFI3

forest area: stand age (classes of 40 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
stand age (classes of 40 years)
0 (unstocked)1-4041-8081-120121-160over 160uneven-agedtotal
economic region %± %± %± %± %± %± %± %±
Western Jura0.70.412.41.611.01.531.52.222.22.04.41.017.81.9100.0.
Eastern Jura2.51.423.83.925.44.027.84.112.33.00.80.87.42.4100.0.
Western Plateau5.12.022.93.922.93.928.74.29.42.74.31.96.82.3100.0.
Central Plateau2.71.129.03.117.72.631.73.111.32.12.31.05.41.5100.0.
Eastern Plateau1.90.826.82.521.12.332.62.79.61.70.30.37.71.5100.0.
Western Pre-Alps7.42.411.62.921.53.722.43.811.52.94.11.821.53.7100.0.
Central Pre-Alps3.71.111.01.97.41.622.12.518.42.39.61.827.92.7100.0.
Eastern Pre-Alps2.41.117.52.611.22.228.63.222.32.98.31.99.72.1100.0.
Northwestern Alps3.51.414.02.78.12.114.52.719.83.011.02.429.13.5100.0.
Central Alps1.31.320.64.67.73.117.94.420.54.615.34.116.74.2100.0.
Northeastern Alps5.62.415.73.919.14.216.84.016.84.06.72.719.14.2100.0.
Southwestern Alps1.30.619.52.214.82.08.51.616.42.113.51.926.12.5100.0.
Southeastern Alps1.50.618.71.97.51.310.51.517.51.918.01.926.42.2100.0.
Southern Alps1.00.521.82.024.02.111.21.68.01.37.51.326.52.2100.0.
Switzerland2.30.318.80.715.10.621.10.715.50.68.00.519.20.7100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134907/121282

NFI3

forest area: stand age (classes of 40 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
stand age (classes of 40 years)
0 (unstocked)1-4041-8081-120121-160over 160uneven-agedtotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura1.15818.91316.81448.2734.096.82327.211152.82
Eastern Jura1.25711.51612.31613.4155.9240.41003.63248.22
Western Plateau2.54011.11711.11713.9154.5292.1443.33448.43
Central Plateau1.94019.91112.21521.8107.7191.5443.72868.72
Eastern Plateau2.14130.0923.61136.5810.7170.41008.620111.92
Western Pre-Alps3.3335.2269.61810.0175.2261.8449.61844.84
Central Pre-Alps3.63110.8177.22221.51217.9139.31927.31097.52
Eastern Pre-Alps1.84412.9158.22021.11116.4136.1237.12273.63
Northwestern Alps2.1408.6195.0268.91912.2166.82217.91261.54
Central Alps0.31005.6242.1404.8255.5234.1274.52627.07
Northeastern Alps1.8445.0256.1235.4245.4242.1406.12231.96
Southwestern Alps1.45021.31216.1149.31917.81314.71428.510109.13
Southeastern Alps2.14126.21110.51814.71524.61125.31137.29140.62
Southern Alps1.45031.81035.0916.31411.71711.01738.68145.72
Switzerland26.612218.64175.74245.73179.6492.56223.041161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134908/121283

NFI3

forest area: stage of stand development · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stage of stand development %± %± %± %± %± %± %±
n/a0.90.43.00.63.70.61.40.71.50.70.90.52.30.3
young growth/ thicket6.31.08.81.16.30.87.71.69.01.65.81.17.20.5
poletimber8.51.215.81.410.71.018.62.314.92.026.12.114.50.6
young timber15.01.512.51.29.50.915.12.15.51.315.21.711.90.6
medium timber32.22.020.81.519.31.313.72.017.72.112.11.620.20.7
old timber21.91.832.31.728.01.416.22.224.72.413.11.624.70.7
mixed15.11.56.70.922.51.327.42.626.72.426.82.219.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134909/121284

NFI3

forest area: stage of stand development · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.8457.82112.9171.4501.8441.45027.111
young growth/ thicket12.21722.61221.8137.52110.4188.82083.46
poletimber16.61440.7936.8918.11317.31439.19168.64
young timber29.21032.21032.61014.7146.42322.712137.85
medium timber62.3653.4766.7713.31520.51218.213234.43
old timber42.5883.1596.5515.81428.61019.613286.13
mixed29.21017.31477.5626.71031.0940.28221.94
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #134910/121285
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