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NFI4b

forest area: stand age (classes of 40 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand age (classes of 40 years) %± %± %± %± %± %±
0 (unstocked)0.60.30.90.42.10.62.70.51.20.61.60.2
1-4015.11.529.81.815.71.513.31.111.61.717.40.7
41-8016.41.618.61.512.31.412.71.131.52.516.70.7
81-12025.61.928.91.823.11.812.91.18.31.520.10.7
121-16014.71.59.51.214.31.514.41.26.51.412.50.6
over 1602.80.71.10.46.01.013.41.18.31.56.80.5
uneven-aged24.81.911.21.226.61.930.71.532.62.624.90.8
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 #135055/121430

NFI4b

forest area: stand age (classes of 40 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)1.1582.1414.3298.3201.45017.314
1-4029.61067.5632.11042.0913.815184.94
41-8032.11042.2825.21139.8937.69176.94
81-12050.0865.4647.2840.499.918212.94
121-16028.81021.41229.21045.387.821132.65
over 1605.5262.53812.31742.299.91872.37
uneven-aged48.5825.31154.4796.5538.98263.73
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135056/121431

NFI4b

forest area: stand age (classes of 40 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years) %± %± %± %± %± %± %±
0 (unstocked)0.80.32.10.62.10.82.61.03.21.01.20.61.60.2
1-4023.11.214.61.518.32.112.12.011.51.711.61.717.50.7
41-8017.61.112.51.413.01.814.32.110.61.731.52.516.70.7
81-12027.41.317.41.725.42.48.81.713.51.98.31.520.00.7
121-16011.90.912.91.515.42.011.41.918.02.16.51.412.50.6
over 1601.90.47.81.27.11.413.22.116.22.08.31.56.80.5
uneven-aged17.41.132.82.018.72.137.72.926.92.432.62.624.90.8
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, 10.11.2014 #135057/121432

NFI4b

forest area: stand age (classes of 40 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)3.2334.0302.4382.4383.9301.45017.314
1-4097.6527.81121.41211.31713.71513.815185.64
41-8074.4623.81215.21413.41512.61637.69176.94
81-120115.5533.21029.7108.22016.1149.918212.64
121-16050.1824.51117.91310.61721.4127.821132.45
over 1607.92114.8158.32012.41619.3139.91872.57
uneven-aged73.3662.4721.81235.3832.0938.98263.83
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135058/121433

NFI4b

forest area: stand age (classes of 40 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 Jura0.70.411.71.615.11.823.72.116.11.83.40.929.32.2100.0.
Eastern Jura..26.94.121.03.731.84.310.12.80.80.89.32.7100.0.
Western Plateau3.51.724.54.024.34.025.14.14.41.93.51.714.73.3100.0.
Central Plateau0.50.533.13.216.32.525.32.914.02.30.50.510.42.1100.0.
Eastern Plateau0.30.329.52.618.22.232.82.78.11.60.60.510.41.7100.0.
Western Pre-Alps2.71.517.13.619.03.724.34.17.22.56.32.323.44.0100.0.
Central Pre-Alps1.50.812.92.19.51.817.42.315.92.36.81.636.03.0100.0.
Eastern Pre-Alps2.61.118.62.812.42.430.13.316.12.64.71.515.52.6100.0.
Northwestern Alps2.61.315.72.913.12.712.42.711.82.610.52.534.03.8100.0.
Central Alps..14.34.418.74.914.04.318.74.912.54.121.95.2100.0.
Northeastern Alps2.51.720.04.510.03.423.74.811.23.58.73.223.84.8100.0.
Southwestern Alps2.61.012.12.014.32.18.81.711.41.913.22.137.72.9100.0.
Southeastern Alps3.21.011.51.710.61.713.51.918.02.116.22.026.92.4100.0.
Southern Alps1.20.611.61.731.52.58.31.56.51.48.31.532.62.6100.0.
Switzerland1.70.217.40.716.70.720.10.712.40.66.90.524.80.8100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135059/121434

NFI4b

forest area: stand age (classes of 40 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 Jura1.15817.51422.51235.3923.9115.02643.68148.92
Eastern Jura..12.7159.91815.0144.7280.41004.42947.03
Western Plateau1.64911.51711.51711.8172.1441.6496.92347.24
Central Plateau0.310022.81011.21517.4129.6170.31007.12068.72
Eastern Plateau0.410032.5920.01236.188.9190.77111.417110.12
Western Pre-Alps1.1577.0217.82010.0173.0342.6379.61841.14
Central Pre-Alps1.45012.2169.01916.51415.1146.52334.1994.72
Eastern Pre-Alps1.84412.9158.61920.71111.1173.23310.71768.93
Northwestern Alps1.4508.6197.2216.8226.4235.72418.61254.74
Central Alps..3.2334.1273.1324.1272.7344.82522.18
Northeastern Alps0.7715.7232.9346.8213.2322.5376.82128.76
Southwestern Alps2.43811.31713.4158.22010.61712.41635.3893.73
Southeastern Alps3.93013.71512.61616.11421.41219.31332.09119.03
Southern Alps1.45013.81537.699.9187.8219.91838.98119.33
Switzerland17.614185.34178.14213.74132.0572.97264.331063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135060/121435

NFI4b

forest area: stage of stand development · 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
stage of stand development %± %± %± %± %± %± %±
n/a0.60.30.80.32.30.52.91.13.71.11.20.61.70.2
young growth/ thicket5.91.011.31.29.21.05.31.44.01.22.10.87.50.5
poletimber10.71.317.11.48.91.016.22.314.62.124.72.314.10.6
young timber12.21.412.71.210.11.011.32.010.21.816.22.011.90.6
medium timber23.01.819.21.516.31.29.31.820.52.410.51.717.40.7
old timber21.51.828.01.724.91.516.22.421.22.512.81.822.60.8
mixed26.11.910.91.228.21.538.83.125.92.732.52.524.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135061/121436

NFI4b

forest area: stage of stand development · 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
stage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.1582.1417.2222.4383.5311.45017.714
young growth/ thicket11.21828.61129.0114.5273.9302.53879.76
poletimber20.21343.5828.01113.71514.11530.210149.75
young timber23.11232.21031.9109.6189.91819.913126.55
medium timber43.6848.8851.487.92019.81212.816184.34
old timber40.7971.1678.4613.71520.51215.714240.13
mixed49.4827.61188.7632.9925.11139.88263.43
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135062/121437

NFI4b

forest area: stage of stand development · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stage of stand development %± %± %± %± %± %±
n/a0.60.30.90.42.30.62.70.51.20.61.70.2
young growth/ thicket6.31.111.81.38.31.26.60.82.10.87.50.5
poletimber11.41.416.91.58.51.213.51.124.32.314.10.6
young timber13.41.512.01.310.21.310.41.016.32.011.90.6
medium timber22.61.819.31.617.41.615.41.210.41.717.40.7
old timber20.91.828.01.826.91.920.71.313.11.822.60.8
mixed24.81.911.21.226.41.930.71.532.62.624.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135063/121438

NFI4b

forest area: stage of stand development · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a1.1582.1414.7288.3201.45017.714
young growth/ thicket12.41726.71116.91420.9132.53879.46
poletimber22.31238.3917.31442.6929.010149.55
young timber26.31127.01120.91332.81019.413126.55
medium timber44.2843.6835.7948.4812.416184.24
old timber40.9963.3655.2765.1715.614240.03
mixed48.5825.31154.1796.5538.98263.33
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135064/121439

NFI4b

forest area: stage of stand development · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stage of stand development %± %± %± %± %± %± %±
n/a0.80.32.30.62.10.82.61.03.21.01.20.61.70.2
young growth/ thicket9.30.88.71.28.91.65.91.44.71.12.10.87.50.5
poletimber14.41.08.91.210.41.716.52.213.01.824.32.314.10.6
young timber12.61.08.71.212.71.810.21.810.61.716.32.011.90.6
medium timber20.81.214.01.521.02.29.51.820.12.210.41.717.30.7
old timber24.71.324.81.926.32.417.62.321.52.213.11.822.60.8
mixed17.41.132.62.018.72.137.72.926.92.432.62.624.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135065/121440

NFI4b

forest area: stage of stand development · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stage of stand development1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a3.2334.3292.4382.4383.9301.45017.714
young growth/ thicket39.3916.61410.3185.5255.6252.53879.96
poletimber60.8716.91412.11615.41415.41429.010149.75
young timber53.3816.61414.8149.61812.61619.413126.45
medium timber87.6626.71124.5118.91923.91112.416184.04
old timber104.5547.2830.7916.51425.61115.614240.13
mixed73.3662.0721.81235.3832.0938.98263.43
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135066/121441

NFI4b

forest area: stage of stand development · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stage of stand development
n/ayoung growth/ thicketpoletimberyoung timbermedium timberold timbermixedtotal
economic region %± %± %± %± %± %± %± %±
Western Jura0.70.44.81.010.51.512.21.621.62.020.92.029.32.2100.0.
Eastern Jura..11.83.014.33.217.73.526.04.021.03.79.32.7100.0.
Western Plateau3.51.79.62.814.93.312.23.118.23.626.84.114.73.3100.0.
Central Plateau0.50.512.22.216.92.513.12.315.02.432.03.110.42.1100.0.
Eastern Plateau0.30.312.31.917.92.211.01.822.72.425.32.510.41.7100.0.
Western Pre-Alps3.61.811.73.17.22.513.53.319.93.821.63.922.54.0100.0.
Central Pre-Alps1.50.87.61.67.61.67.21.611.72.028.42.836.03.0100.0.
Eastern Pre-Alps2.61.17.21.910.42.212.42.423.83.128.03.215.52.6100.0.
Northwestern Alps2.61.38.52.312.42.77.92.213.72.820.93.334.03.8100.0.
Central Alps..7.93.412.64.212.54.118.74.926.55.521.95.2100.0.
Northeastern Alps2.51.712.53.78.73.213.73.916.24.122.54.723.84.8100.0.
Southwestern Alps2.61.05.91.416.52.210.21.89.51.817.62.337.72.9100.0.
Southeastern Alps3.21.04.71.113.01.810.61.720.12.221.52.226.92.4100.0.
Southern Alps1.20.62.10.824.32.316.32.010.41.713.11.832.62.6100.0.
Switzerland1.70.27.50.514.10.611.90.617.40.722.60.824.80.8100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135067/121442

NFI4b

forest area: stage of stand development · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stage of stand development
n/ayoung growth/ thicketpoletimberyoung timbermedium timberold timbermixedtotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura1.1587.12215.71418.21332.1931.11043.68148.92
Eastern Jura..5.5256.7238.32012.2169.9184.42947.03
Western Plateau1.6494.5297.0235.8258.62012.7166.92347.24
Central Plateau0.31008.41811.6159.01710.31622.0107.12068.72
Eastern Plateau0.410013.61519.71212.21625.01127.91011.417110.12
Western Pre-Alps1.5494.8273.0345.6248.2198.9199.21841.14
Central Pre-Alps1.4507.2227.2226.82211.11726.91034.1994.72
Eastern Pre-Alps1.8445.0267.1218.61916.41319.31210.71768.93
Northwestern Alps1.4504.7276.8224.3287.52111.41618.61254.74
Central Alps..1.7442.8342.7344.1275.8224.82522.18
Northeastern Alps0.7713.6302.5373.9294.7266.4226.82128.76
Southwestern Alps2.4385.52515.4149.6188.91916.51435.3893.73
Southeastern Alps3.9305.62515.41412.61623.91125.61132.09119.03
Southern Alps1.4502.53829.01019.41312.41615.61438.98119.33
Switzerland17.91479.76149.95127.05185.44240.03263.931063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135068/121443

NFI4b

forest area: stand age (classes of 20 years) · 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 age (classes of 20 years) %± %± %± %± %± %± %±
0 (unstocked)0.60.30.80.31.90.42.40.92.90.91.40.51.50.2
1-205.31.012.41.27.00.83.11.02.60.92.00.76.50.4
21-408.51.217.51.411.11.014.62.115.41.916.71.813.50.6
41-604.60.910.11.17.30.87.41.56.01.316.91.88.60.5
61-8010.81.38.61.05.20.76.11.43.71.011.11.57.60.5
81-10014.51.515.61.38.90.93.41.05.71.23.30.89.70.5
101-1209.61.314.11.38.50.94.41.25.71.24.10.98.70.5
121-1409.01.26.70.96.00.74.11.26.31.32.50.76.10.4
141-1607.21.12.30.67.10.85.71.49.51.62.70.85.60.4
161-1802.00.60.40.24.00.63.41.04.61.12.00.72.70.3
over 1801.30.50.40.23.90.68.41.69.71.64.71.03.80.3
uneven-aged26.71.910.91.228.91.437.12.827.82.432.72.225.70.7
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 #135069/121444

NFI4b

forest area: stand age (classes of 20 years) · 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 age (classes of 20 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)1.1582.1416.8232.4383.5312.14118.114
1-2010.41832.21025.4123.1333.2333.23377.57
21-4016.61445.3840.1914.81518.91326.411162.14
41-609.02026.21126.5117.5217.42126.711103.36
61-8021.31222.31218.8136.2234.52717.51490.56
81-10028.51040.3931.9103.4317.0225.326116.45
101-12018.71336.4930.5104.4277.1226.423103.66
121-14017.71417.31421.6124.1287.8213.93072.47
141-16014.0156.02425.6115.82411.7174.32967.47
161-1804.0301.15814.6153.4315.7253.23331.910
over 1802.5381.15814.2168.61912.0167.52145.89
uneven-aged52.3728.311104.1537.7834.3951.67308.23
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135070/121445

NFI4b

forest area: stand age (classes of 20 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand age (classes of 20 years) %± %± %± %± %± %±
0 (unstocked)0.50.30.90.42.00.62.20.41.20.51.50.2
1-205.81.012.51.38.01.14.10.62.10.76.50.4
21-409.21.217.81.59.31.214.51.116.41.813.50.6
41-605.00.99.91.26.81.07.60.816.61.88.60.5
61-8011.21.38.71.15.50.94.80.611.31.57.60.5
81-10014.81.515.71.49.91.26.10.73.20.89.70.5
101-12010.11.313.11.312.01.35.20.74.11.08.70.5
121-1408.11.26.81.06.31.05.70.72.50.86.00.4
141-1606.81.12.40.67.61.16.90.82.80.85.60.4
161-1801.80.60.80.32.80.74.40.62.10.72.60.3
over 1801.10.40.50.32.90.77.40.84.81.03.80.3
uneven-aged25.61.911.11.226.81.831.11.432.92.325.70.7
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 #135071/121446

NFI4b

forest area: stand age (classes of 20 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand age (classes of 20 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0 (unstocked)1.1582.1414.3298.7201.84518.014
1-2011.71728.81017.61416.0153.23377.47
21-4018.61341.1820.51356.1825.311161.74
41-6010.21822.81215.11529.21125.511102.96
61-8022.61220.01312.31718.41317.41490.76
81-10029.91036.2922.01223.5124.927116.65
101-12020.41330.21026.71120.1136.423103.86
121-14016.41415.81414.11622.1123.93072.37
141-16013.9165.62516.91426.6114.32967.37
161-1803.6311.8456.12417.0143.23331.710
over 1802.2411.1586.52328.4117.42145.69
uneven-aged51.8725.71159.47120.3550.67307.93
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135072/121447

NFI4b

forest area: stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand structure %± %± %± %± %± %± %±
n/a0.80.32.30.62.10.82.61.03.21.01.20.61.70.2
single-layered31.61.434.12.140.42.743.63.038.12.637.32.635.40.9
multi-layered59.31.444.92.246.72.731.12.834.52.651.42.749.20.9
stratified8.10.817.41.710.51.722.32.521.22.29.51.612.90.6
clustered structure0.30.11.30.50.30.30.40.42.90.90.60.40.80.2
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 #135073/121448

NFI4b

forest area: stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a3.2334.3292.4382.4383.9301.45017.714
single-layered133.4464.9647.1740.8845.3744.58376.13
multi-layered250.4385.5554.5629.21041.1861.36522.02
stratified34.01033.21012.21620.91225.21111.317136.95
clustered structure1.1582.5380.31000.31003.5310.7718.520
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135074/121449

NFI4b

forest area: stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand structure
n/asingle-layeredmulti-layeredstratifiedclustered structuretotal
economic region %± %± %± %± %± %±
Western Jura0.70.430.52.355.62.412.71.60.50.3100.0.
Eastern Jura..27.84.169.74.22.51.4..100.0.
Western Plateau3.51.732.34.459.84.63.51.70.90.9100.0.
Central Plateau0.50.540.73.352.43.46.41.7..100.0.
Eastern Plateau0.30.327.92.664.92.76.81.4..100.0.
Western Pre-Alps3.61.836.04.648.64.810.83.00.90.9100.0.
Central Pre-Alps1.50.832.62.944.33.120.52.51.10.7100.0.
Eastern Pre-Alps2.61.143.53.645.13.68.82.0..100.0.
Northwestern Alps2.61.335.33.943.14.017.03.02.01.1100.0.
Central Alps..40.66.245.36.314.14.4..100.0.
Northeastern Alps2.51.732.55.352.55.611.33.51.21.2100.0.
Southwestern Alps2.61.043.63.031.12.822.32.50.40.4100.0.
Southeastern Alps3.21.038.12.634.52.621.22.22.90.9100.0.
Southern Alps1.20.637.32.651.42.79.51.60.60.4100.0.
Switzerland1.70.235.40.949.30.912.80.60.80.2100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135075/121450

NFI4b

forest area: stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
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 Jura1.15845.4882.8518.9130.771148.92
Eastern Jura..13.11532.871.257..47.03
Western Plateau1.64915.21428.291.6490.410047.24
Central Plateau0.310028.0836.074.426..68.72
Eastern Plateau0.410030.7971.547.521..110.12
Western Pre-Alps1.54914.81320.0114.4280.410041.14
Central Pre-Alps1.45030.8941.9719.4121.15894.72
Eastern Pre-Alps1.84430.0931.186.123..68.93
Northwestern Alps1.45019.31223.6109.3181.15754.74
Central Alps..9.01710.0163.132..22.18
Northeastern Alps0.7719.31715.0123.2320.410028.76
Southwestern Alps2.43840.8829.21020.9120.310093.73
Southeastern Alps3.93045.3741.1825.2113.531119.03
Southern Alps1.45044.5861.3611.3170.771119.33
Switzerland17.914376.33524.52136.758.6201063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135076/121451

NFI4b

forest area: regeneration cover · 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
regeneration cover %± %± %± %± %± %± %±
< 1%2.50.73.20.75.50.86.11.58.81.77.01.44.90.4
1-9%20.61.814.91.330.81.642.63.240.63.047.12.728.90.8
10-25%24.01.923.51.632.81.630.42.932.12.827.72.428.20.8
26-50%19.41.722.11.617.01.316.62.413.12.013.61.917.90.7
51-75%16.21.618.01.48.50.93.21.14.71.33.41.010.80.6
76-100%17.31.618.21.45.30.81.20.70.70.51.20.69.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135077/121452

NFI4b

forest area: regeneration cover · 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
regeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
< 1%4.7288.12117.4145.1258.5208.52052.48
1-9%38.9937.8996.9536.0839.2857.76306.53
10-25%45.4859.87103.3525.71031.0933.99299.03
26-50%36.7956.2753.6814.01512.71616.714190.04
51-75%30.61045.6826.7112.7354.6274.229114.55
76-100%32.81046.3816.7141.0580.7711.45099.06
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #135078/121453
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