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NFI4b

forest area: crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
crown closure %± %± %± %± %± %±
n/a0.50.30.90.42.10.62.30.51.20.51.60.2
crowded29.91.930.01.825.91.819.11.232.02.226.00.8
normal33.92.038.11.925.71.814.91.117.21.824.90.7
loose10.31.313.11.37.51.18.90.95.81.19.30.5
open13.01.412.21.314.51.417.31.112.51.614.40.6
scattered4.50.93.50.77.61.114.11.012.81.69.00.5
grouped crowded0.50.30.30.25.00.97.90.87.91.34.70.4
grouped normal1.60.50.80.35.80.98.70.88.01.35.30.4
heterogeneous5.81.01.20.45.90.96.80.82.50.84.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135031/121406

NFI4b

forest area: crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
crown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.1582.1414.7289.0191.84518.714
crowded60.6769.3657.3773.9649.27310.33
normal68.6688.2557.0757.4726.511297.83
loose20.81330.21016.61434.3108.919110.85
open26.31128.11132.11066.9719.213172.64
scattered9.1208.12116.91454.3819.713108.25
grouped crowded1.1580.77111.21830.71012.21655.98
grouped normal3.3331.84513.01633.41012.31663.87
heterogeneous11.7172.83513.01626.4113.93057.88
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135032/121407

NFI4b

forest area: 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
crown closure %± %± %± %± %± %± %±
n/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, 10.11.2014 #135033/121408

NFI4b

forest area: 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
crown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/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, 10.11.2014 #135034/121409

NFI4b

forest area: crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
crown closure
n/acrowdednormallooseopenscatteredgrouped crowdedgrouped normalheterogeneoustotal
economic region %± %± %± %± %± %± %± %± %± %±
Western Jura0.70.428.22.230.02.29.71.415.91.85.41.10.70.42.10.77.41.3100.0.
Eastern Jura..36.04.447.64.512.33.02.51.41.61.2......100.0.
Western Plateau3.41.738.84.536.04.48.52.67.62.43.41.70.80.80.70.70.80.8100.0.
Central Plateau0.40.429.03.139.93.310.32.014.02.34.51.4..0.40.41.30.8100.0.
Eastern Plateau0.30.327.42.537.52.716.72.112.61.92.80.90.30.30.90.51.30.6100.0.
Western Pre-Alps3.31.625.13.921.23.78.22.59.72.713.03.011.42.95.72.12.41.4100.0.
Central Pre-Alps1.40.722.42.523.82.56.81.520.62.47.11.53.21.14.31.210.31.8100.0.
Eastern Pre-Alps2.41.030.83.230.83.28.11.99.02.05.21.53.81.38.01.91.90.9100.0.
Northwestern Alps2.31.129.03.420.43.07.42.010.22.38.62.18.52.17.42.06.31.8100.0.
Central Alps..24.94.720.14.48.43.013.13.78.53.111.93.58.63.14.72.3100.0.
Northeastern Alps2.11.527.14.617.73.96.22.516.73.813.53.511.43.35.22.3..100.0.
Southwestern Alps2.40.822.22.313.81.97.81.517.72.116.22.04.51.12.70.912.61.8100.0.
Southeastern Alps2.80.89.71.411.81.611.11.521.02.015.81.88.61.414.61.74.51.0100.0.
Southern Alps1.20.532.02.217.21.85.81.112.51.612.81.67.91.38.01.32.50.8100.0.
Switzerland1.60.226.00.724.90.79.30.514.40.69.00.54.70.45.30.44.80.4100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135035/121410

NFI4b

forest area: crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
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 Jura1.15843.6846.4715.01524.6118.3211.1583.33311.417154.72
Eastern Jura..17.31222.9105.9241.2570.870......48.22
Western Plateau1.64918.91217.5134.1303.7321.6490.41000.41000.410048.73
Central Plateau0.310020.01127.687.1209.7173.131..0.31000.95769.12
Eastern Plateau0.410031.1942.5718.91314.3153.2330.41001.1581.450113.32
Western Pre-Alps1.54911.4169.6183.7304.4285.9235.2262.6371.15745.54
Central Pre-Alps1.45022.61124.0116.82220.8127.2223.2334.32810.418100.82
Eastern Pre-Alps1.84423.21123.2106.1236.8223.9292.9356.1241.45075.33
Northwestern Alps1.45018.21212.9154.6276.4235.4255.4254.7273.93062.94
Central Alps..7.2205.8222.4373.8292.5373.5312.5371.44929.17
Northeastern Alps0.7719.3186.1222.1405.7234.7263.9291.844..34.45
Southwestern Alps2.83525.41115.8149.01920.31218.6135.2253.13314.515114.43
Southeastern Alps4.22814.51517.51316.61431.21023.51112.91621.8126.723148.92
Southern Alps1.84549.2726.5118.91919.21319.71312.21612.3163.930153.82
Switzerland19.014312.13298.43111.35172.24108.4556.1864.1757.581199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135036/121411

NFI4b

forest area: 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
stand structure %± %± %± %± %± %± %±
n/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, 10.11.2014 #135037/121412

NFI4b

forest area: 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
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/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, 10.11.2014 #135038/121413

NFI4b

forest area: stand structure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand structure %± %± %± %± %± %±
n/a0.50.30.90.42.10.62.30.51.20.51.60.2
single-layered30.42.033.61.836.91.936.81.437.22.335.20.8
multi-layered58.42.159.41.945.42.037.41.547.92.448.10.8
stratified10.31.35.90.914.51.421.11.212.51.614.00.6
clustered structure0.40.30.20.21.10.42.40.51.20.51.20.2
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 #135039/121414

NFI4b

forest area: stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.1582.1414.7289.0191.84518.714
single-layered61.7777.7681.86142.2457.27420.62
multi-layered118.34137.43100.55144.6473.75574.62
stratified20.81313.71632.11081.4619.313167.34
clustered structure0.7710.41002.5389.1201.84514.516
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135040/121415

NFI4b

forest area: stand structure · 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
stand structure %± %± %± %± %± %± %±
n/a0.70.22.10.61.80.72.40.82.80.81.20.51.60.2
single-layered32.21.333.42.038.52.542.62.735.42.337.22.335.20.8
multi-layered58.91.445.32.146.72.530.62.534.92.347.92.448.10.8
stratified7.90.817.41.612.31.723.82.322.62.012.51.614.00.6
clustered structure0.20.11.70.50.80.50.60.44.21.01.20.51.20.2
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 #135041/121416

NFI4b

forest area: stand structure · 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
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a3.2334.3292.4382.8354.2281.84518.714
single-layered139.5470.0652.5748.8752.7757.27420.72
multi-layered255.8394.8563.7635.0952.0773.75575.02
stratified34.41036.4916.71427.21033.6919.313167.64
clustered structure1.1583.6311.1580.7716.3231.84514.616
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135042/121417

NFI4b

forest area: stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
stand structure
n/asingle-layeredmulti-layeredstratifiedclustered structuretotal
economic region %± %± %± %± %± %±
Western Jura0.70.431.42.254.92.412.51.60.50.3100.0.
Eastern Jura..27.14.070.54.12.51.4..100.0.
Western Plateau3.41.733.74.458.74.53.41.70.80.8100.0.
Central Plateau0.40.441.03.352.13.46.41.7..100.0.
Eastern Plateau0.30.328.42.564.72.76.61.4..100.0.
Western Pre-Alps3.31.635.74.348.04.511.42.91.61.1100.0.
Central Pre-Alps1.40.732.02.844.83.019.92.41.80.8100.0.
Eastern Pre-Alps2.41.044.13.444.53.49.02.0..100.0.
Northwestern Alps2.31.134.13.644.33.817.62.91.71.0100.0.
Central Alps..34.55.247.45.516.84.11.31.3100.0.
Northeastern Alps2.11.530.24.751.05.114.63.62.11.5100.0.
Southwestern Alps2.40.842.62.730.62.523.82.30.60.4100.0.
Southeastern Alps2.80.835.42.334.92.322.62.04.21.0100.0.
Southern Alps1.20.537.22.347.92.412.51.61.20.5100.0.
Switzerland1.60.235.10.848.10.813.90.61.20.2100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135043/121418

NFI4b

forest area: stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
stand structure
n/asingle-layeredmulti-layeredstratifiedclustered structuretotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura1.15848.6784.9519.3130.771154.72
Eastern Jura..13.11534.061.257..48.22
Western Plateau1.64916.41328.691.6490.410048.73
Central Plateau0.310028.3836.074.426..69.12
Eastern Plateau0.410032.2973.347.521..113.32
Western Pre-Alps1.54916.21321.8105.2250.77045.54
Central Pre-Alps1.45032.3945.2720.1121.845100.82
Eastern Pre-Alps1.84433.2833.686.822..75.33
Northwestern Alps1.45021.51127.9911.1171.15762.94
Central Alps..10.11613.8134.9260.410029.17
Northeastern Alps0.77110.41617.5115.0260.77134.45
Southwestern Alps2.83548.8735.0927.2100.771114.43
Southeastern Alps4.22852.7752.0733.696.323148.92
Southern Alps1.84557.2773.7519.3131.845153.82
Switzerland19.014421.02577.32167.2414.6161199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135044/121419

NFI4b

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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years) %± %± %± %± %± %± %±
0 (unstocked)0.70.21.90.61.90.72.20.83.00.91.20.51.60.2
1-4023.01.215.81.520.22.116.72.116.61.917.71.919.40.7
41-8017.61.112.61.413.21.813.51.910.71.528.42.216.40.6
81-12027.01.316.61.623.42.28.21.512.21.67.01.318.70.7
121-16011.90.912.91.414.71.810.71.716.21.85.61.112.00.6
over 1602.00.47.31.16.91.312.31.814.21.77.31.36.60.4
uneven-aged17.61.132.92.019.82.136.52.727.02.232.82.325.40.8
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, 10.11.2014 #135045/121420

NFI4b

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 2009/13
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)3.2334.0302.4382.4384.2281.84518.014
1-4099.1532.11026.21118.21323.41225.811224.74
41-8075.8625.61117.11414.71415.11541.58189.84
81-120116.3533.91030.4108.91917.21410.218216.84
121-16051.2826.31119.01311.71622.9118.220139.25
over 1608.62014.8159.01913.41520.01210.61876.47
uneven-aged75.8667.1625.61139.8837.9847.87294.03
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135046/121421

NFI4b

forest area: stand age (classes of 40 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand age (classes of 40 years)
0 (unstocked)1-4041-8081-120121-160over 160uneven-agedtotal
economic region %± %± %± %± %± %± %± %±
Western Jura0.70.411.71.614.91.723.12.016.41.83.30.929.92.2100.0.
Eastern Jura..26.34.021.33.731.94.29.82.71.61.29.02.6100.0.
Western Plateau3.41.725.54.024.64.024.54.04.31.93.41.714.43.2100.0.
Central Plateau0.50.533.13.216.32.525.32.914.02.30.50.510.42.1100.0.
Eastern Plateau0.30.329.42.618.22.232.62.78.01.51.00.610.51.7100.0.
Western Pre-Alps2.51.419.83.619.13.622.33.87.42.45.82.123.13.8100.0.
Central Pre-Alps1.50.713.62.19.21.816.92.316.22.26.61.536.02.9100.0.
Eastern Pre-Alps2.41.119.42.812.12.329.13.216.02.64.91.516.02.6100.0.
Northwestern Alps2.31.216.32.813.42.612.22.511.62.49.32.234.93.6100.0.
Central Alps..23.24.817.94.411.53.615.34.110.23.421.94.7100.0.
Northeastern Alps2.31.618.04.111.23.421.34.411.23.49.03.027.04.7100.0.
Southwestern Alps2.20.816.72.113.51.98.21.510.71.712.31.836.52.7100.0.
Southeastern Alps3.00.916.61.910.71.512.21.616.21.814.21.727.02.2100.0.
Southern Alps1.20.517.71.928.42.27.01.35.61.17.31.332.82.3100.0.
Switzerland1.60.219.30.716.40.618.80.711.90.66.60.425.40.7100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135047/121422

NFI4b

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 2009/13
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 Jura1.15817.81322.81235.3925.0115.02645.78152.82
Eastern Jura..12.71510.31815.4144.7280.8704.42948.22
Western Plateau1.64912.41611.91711.8172.1441.6496.92348.43
Central Plateau0.310022.81011.21517.4129.6170.31007.12068.72
Eastern Plateau0.410032.9920.41236.588.9191.15811.817111.92
Western Pre-Alps1.1578.9198.51910.0173.3332.63710.31744.84
Central Pre-Alps1.45013.3159.01916.51415.8146.52335.1897.52
Eastern Pre-Alps1.84414.3148.91921.41111.8163.63111.81673.63
Northwestern Alps1.45010.0188.2207.5217.1215.72421.41161.54
Central Alps..6.3224.8253.1324.1272.7345.92327.07
Northeastern Alps0.7715.7233.6306.8213.6312.9348.61831.96
Southwestern Alps2.43818.21314.7148.91911.71613.41539.88109.13
Southeastern Alps4.22823.41215.11517.21422.91120.01237.98140.62
Southern Alps1.84525.81141.5810.2188.22010.61847.87145.72
Switzerland18.314224.34190.94217.94138.8576.97294.631161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135048/121423

NFI4b

forest area: stage of stand development · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stage of stand development %± %± %± %± %± %± %±
n/a0.60.30.80.32.10.52.81.03.01.01.40.61.60.2
young growth/ thicket5.81.011.31.29.60.97.41.67.21.45.11.18.30.5
poletimber10.81.317.21.410.81.017.92.317.62.127.52.215.60.6
young timber12.11.412.71.29.50.911.61.99.81.614.01.711.40.6
medium timber22.71.819.11.515.71.28.41.617.72.18.51.416.30.6
old timber21.81.827.91.723.91.414.82.118.32.110.91.521.40.7
mixed26.41.911.01.228.51.437.22.926.52.432.52.325.30.7
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 #135049/121424

NFI4b

forest area: stage of stand development · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.1582.1417.2222.8353.5312.14118.814
young growth/ thicket11.21829.01033.0107.2218.4207.72196.46
poletimber20.91244.2837.1917.41320.31241.28181.34
young timber23.41232.51032.61011.31711.31721.012132.15
medium timber44.0849.2854.388.22020.51212.816188.94
old timber42.2871.8682.3614.41521.21216.414248.33
mixed51.2728.31198.4536.3830.7948.87293.53
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135050/121425

NFI4b

forest area: stage of stand development · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stage of stand development %± %± %± %± %± %±
n/a0.50.30.90.42.20.62.50.51.20.51.60.2
young growth/ thicket6.21.011.81.38.71.28.40.95.01.18.30.5
poletimber11.51.417.01.59.41.216.11.127.22.215.60.6
young timber13.31.411.81.310.01.29.90.914.11.711.40.6
medium timber22.21.819.21.517.01.514.01.18.51.416.30.6
old timber21.11.728.11.826.41.818.61.211.21.621.40.7
mixed25.31.911.21.226.41.830.61.432.82.325.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135051/121426

NFI4b

forest area: stage of stand development · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.1582.1414.7289.0191.84518.714
young growth/ thicket12.41727.01118.71330.7107.42296.36
poletimber23.01239.0920.21359.1739.68180.94
young timber26.61127.01121.61236.3920.512132.15
medium timber44.5843.9836.8951.2812.416188.84
old timber42.3864.3656.9768.2716.314248.13
mixed50.7725.71156.97112.2547.87293.33
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135052/121427

NFI4b

forest area: stand age (classes of 40 years) · 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
stand age (classes of 40 years) %± %± %± %± %± %± %±
0 (unstocked)0.60.30.80.32.20.52.91.13.71.11.20.61.60.2
1-4013.71.529.51.715.71.211.32.011.31.911.61.717.40.7
41-8015.61.618.81.512.51.114.22.29.81.831.72.516.70.7
81-12024.81.929.91.718.71.38.91.813.52.18.41.520.00.7
121-16016.01.69.21.114.11.210.52.018.62.46.41.312.50.6
over 1603.20.80.80.38.50.913.42.217.12.38.11.56.90.5
uneven-aged26.11.910.91.228.31.538.83.125.92.732.52.524.90.8
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, 10.11.2014 #135053/121428

NFI4b

forest area: stand age (classes of 40 years) · 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
stand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)1.1582.1416.8232.4383.5311.45017.414
1-4025.91175.0649.589.61810.91714.215185.24
41-8029.51047.7839.4912.0169.51938.88177.04
81-12046.8876.0658.977.52113.01610.318212.64
121-16030.31023.31244.388.91918.0137.821132.75
over 1606.1242.14126.61111.31716.61410.01872.77
uneven-aged49.4827.61189.1632.9925.11139.88263.83
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135054/121429
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