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NFI4b

forest area: year of afforestation (class size 10) · biogeographical region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
year of afforestation (class size 10)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
no afforestation or unknown180.92249.41381.11111.22143.62189.021255.21
before 18512.2410.41000.4100..0.4100..3.233
1851-1860..0.41000.4100......0.771
1861-18701.1580.7710.771......2.538
1871-18800.41000.41000.771..0.4100..1.845
1881-18900.7710.7712.835......4.329
1891-19001.4500.41001.8450.7710.4100..4.628
1901-19101.8451.1581.450..0.41000.41005.027
1911-19200.41000.41001.845......2.538
1921-19300.7710.41001.845....0.41003.233
1931-19401.158..1.8450.771....3.532
1941-19501.4501.8450.4100..0.41000.41004.329
1951-19601.4500.41002.141......3.930
1961-19701.4502.8352.1410.31000.771..7.522
1971-19801.8450.41001.158......3.233
1981-1990..0.771..0.31000.41000.41001.845
1991-2000..0.41000.4100......0.771
2001-20100.41000.4100........0.771
2011-2020..............
total197.11260.71400.61113.32146.52190.411308.61

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146003/132376

NFI4b

forest area: year of afforestation (class size 10) · production region
unit: %
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
year of afforestation (class size 10) %± %± %± %± %± %±
no afforestation or unknown91.91.295.90.892.41.098.10.499.20.495.90.3
before 18511.10.40.20.20.20.20.10.1..0.20.1
1851-1860....0.30.2....0.10.0
1861-18700.50.30.30.20.20.20.10.1..0.20.1
1871-18800.20.2..0.50.30.10.1..0.10.1
1881-18900.40.30.30.21.20.4....0.30.1
1891-19000.50.30.30.20.50.30.40.2..0.40.1
1901-19100.90.40.30.20.60.30.20.10.20.20.40.1
1911-19200.20.20.20.20.80.3....0.20.1
1921-19300.40.30.20.20.60.30.10.10.20.20.20.1
1931-19400.50.3..0.60.30.20.1..0.30.1
1941-19501.10.40.50.3..0.20.10.20.20.30.1
1951-19600.70.40.20.20.60.30.20.1..0.30.1
1961-19700.70.41.10.40.80.30.40.2..0.60.1
1971-19800.70.40.20.20.60.3....0.20.1
1981-1990..0.30.2..0.20.10.20.20.10.1
1991-2000..0.20.20.20.2....0.10.0
2001-20100.20.20.20.2......0.10.0
2011-2020............
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146004/132377

NFI4b

forest area: year of afforestation (class size 10) · production region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
year of afforestation (class size 10)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
no afforestation or unknown187.22224.31214.42444.71183.711254.41
before 18512.2410.41000.41000.4100..3.333
1851-1860....0.771....0.771
1861-18701.1580.7710.41000.3100..2.538
1871-18800.4100..1.1580.3100..1.845
1881-18900.7710.7712.935....4.329
1891-19001.1580.7711.1581.745..4.628
1901-19101.8450.7711.4500.7710.41005.027
1911-19200.41000.41001.845....2.538
1921-19300.7710.41001.4500.31000.41003.233
1931-19401.158..1.4501.058..3.632
1941-19502.2411.158..0.7710.41004.329
1951-19601.5500.41001.4500.771..4.030
1961-19701.5502.5381.8451.745..7.422
1971-19801.5500.41001.450....3.333
1981-1990..0.771..0.7710.41001.745
1991-2000..0.41000.4100....0.771
2001-20100.41000.4100......0.771
2011-2020............
total203.71233.81232.01453.41185.111308.01

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146005/132378

NFI4b

forest area: year of afforestation (class size 10) · protection forest region
unit: %
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
year of afforestation (class size 10) %± %± %± %± %± %± %±
no afforestation or unknown94.10.794.20.995.01.098.40.698.20.699.20.495.90.3
before 18510.60.20.20.2....0.20.2..0.20.1
1851-1860..0.20.20.20.2......0.10.0
1861-18700.40.2..0.40.3......0.20.1
1871-18800.10.10.20.20.60.4......0.10.1
1881-18900.30.20.80.40.60.4......0.30.1
1891-19000.40.20.80.4..0.50.40.20.2..0.40.1
1901-19100.60.20.50.30.40.3..0.20.20.20.20.40.1
1911-19200.20.10.80.4........0.20.1
1921-19300.20.10.20.20.90.4....0.20.20.20.1
1931-19400.20.10.80.4..0.50.4....0.30.1
1941-19500.70.2......0.40.30.20.20.30.1
1951-19600.40.20.60.30.40.3......0.30.1
1961-19700.90.30.60.30.40.30.30.30.60.3..0.60.1
1971-19800.40.2..0.90.4......0.20.1
1981-19900.20.1....0.30.30.20.20.20.20.10.1
1991-20000.10.10.20.2........0.10.0
2001-20100.20.1..........0.10.0
2011-2020..............
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, 07.11.2014 #146006/132379

NFI4b

forest area: year of afforestation (class size 10) · protection forest region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
year of afforestation (class size 10)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
no afforestation or unknown411.81211.02151.62126.32170.82183.711255.11
before 18512.5380.4100....0.4100..3.233
1851-1860..0.41000.3100......0.771
1861-18701.845..0.771......2.538
1871-18800.41000.41001.058......1.845
1881-18901.4501.8451.058......4.329
1891-19001.8451.845..0.7710.4100..4.628
1901-19102.5381.1580.771..0.41000.41005.027
1911-19200.7711.845........2.538
1921-19301.1580.41001.450....0.41003.233
1931-19401.1581.845..0.771....3.632
1941-19503.233......0.7710.41004.329
1951-19601.8451.4500.771......3.930
1961-19703.9301.4500.7710.31001.158..7.522
1971-19801.845..1.450......3.233
1981-19900.771....0.31000.41000.41001.845
1991-20000.41000.4100........0.771
2001-20100.771..........0.771
2011-2020..............
total437.51224.01159.52128.32174.02185.111308.51

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146007/132380

NFI4b

forest area: year of afforestation (class size 10) · economic region
unit: %
unit of evaluation: forest
grid:
state 2009/13
year of afforestation (class size 10)
no afforestation or unknownbefore 18511851-18601861-18701871-18801881-18901891-19001901-19101911-19201921-19301931-19401941-19501951-19601961-19701971-19801981-19901991-20002001-20102011-2020total
economic region %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
Western Jura92.01.30.50.3..0.50.30.20.20.20.20.50.31.10.50.20.20.50.30.70.40.70.40.90.50.90.50.90.5....0.20.2..100.0.
Eastern Jura91.82.53.31.6..0.80.8..0.80.80.80.8........2.51.4..............100.0.
Western Plateau95.91.8....................0.80.8..2.51.4..0.80.8......100.0.
Central Plateau96.71.20.40.4........0.40.4........0.50.5..0.40.40.40.4..0.40.40.50.5..100.0.
Eastern Plateau95.31.2....0.60.4..0.60.40.30.30.60.40.30.30.30.3..0.30.30.30.30.90.5..0.30.3......100.0.
Western Pre-Alps93.92.1........3.01.50.80.8..0.80.8......0.80.80.80.8..........100.0.
Central Pre-Alps92.81.50.30.30.30.3..0.30.30.30.30.70.50.70.51.40.70.30.31.40.7..0.30.30.70.5....0.30.3....100.0.
Eastern Pre-Alps90.91.9..0.50.50.50.50.90.61.40.8..0.90.6..1.40.8....0.90.60.90.61.80.9........100.0.
Northwestern Alps96.51.3..........1.00.70.50.5....0.50.5..1.00.70.50.5..........100.0.
Central Alps99.10.9......0.90.9............................100.0.
Northeastern Alps98.31.2....0.90.9..........0.90.9..................100.0.
Southwestern Alps98.40.6..........0.50.4......0.50.4....0.30.3..0.30.3......100.0.
Southeastern Alps98.20.60.20.2........0.20.20.20.2......0.40.3..0.60.3..0.20.2......100.0.
Southern Alps99.20.4............0.20.2..0.20.2..0.20.2......0.20.2......100.0.
Switzerland95.90.30.30.10.10.00.20.10.10.10.30.10.40.10.40.10.20.10.20.10.30.10.30.10.30.10.60.10.20.10.10.10.10.00.10.0..100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146008/132381

NFI4b

forest area: year of afforestation (class size 10) · economic region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
year of afforestation (class size 10)
no afforestation or unknownbefore 18511851-18601861-18701871-18801881-18901891-19001901-19101911-19201921-19301931-19401941-19501951-19601961-19701971-19801981-19901991-20002001-20102011-2020total
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± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura143.320.771..0.7710.41000.41000.7711.8450.41000.7711.1581.1581.4501.4501.450....0.4100..155.82
Eastern Jura44.231.649..0.4100..0.41000.4100........1.257..............48.22
Western Plateau47.94....................0.4100..1.257..0.4100......49.93
Central Plateau67.820.3100........0.3100........0.4100..0.31000.3100..0.31000.4100..70.12
Eastern Plateau108.32....0.771..0.7710.41000.7710.41000.4100..0.41000.41001.158..0.4100......113.72
Western Pre-Alps45.84........1.5490.4100..0.4100......0.41000.4100..........48.73
Central Pre-Alps97.230.41000.4100..0.41000.41000.7710.7711.4500.41001.450..0.41000.771....0.4100....104.72
Eastern Pre-Alps71.43..0.41000.41000.7711.157..0.771..1.157....0.7710.7711.450........78.63
Northwestern Alps68.03..........0.7710.4100....0.4100..0.7710.4100..........70.53
Central Alps39.05......0.3100............................39.34
Northeastern Alps40.94....0.4100..........0.4100..................41.64
Southwestern Alps126.32..........0.771......0.771....0.3100..0.3100......128.32
Southeastern Alps170.820.4100........0.41000.4100......0.771..1.158..0.4100......174.02
Southern Alps183.71............0.4100..0.4100..0.4100......0.4100......185.11
Switzerland1254.513.3330.7712.5381.8454.4294.6285.0272.5383.2333.5324.5293.9307.6223.2331.8450.7710.771..1308.51

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146009/132382

NFI4b

forest area: year of afforestation (classes) · biogeographical region
unit: %
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
year of afforestation (classes) %± %± %± %± %± %± %±
before 18511.10.40.10.10.10.1..0.20.2..0.20.1
1851-19001.80.60.90.41.60.40.60.40.50.3..1.10.2
1901-19502.70.71.40.41.80.40.60.40.50.30.60.31.40.2
1951-20002.40.71.80.51.40.40.60.40.70.40.20.21.30.2
2001-20130.20.20.10.1........0.10.0
no afforestation or unknown91.81.295.70.895.10.698.20.798.10.799.30.495.90.3
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, 07.11.2014 #146010/132383

NFI4b

forest area: year of afforestation (classes) · biogeographical region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
year of afforestation (classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
before 18512.2410.41000.4100..0.4100..3.233
1851-19003.6312.5386.4230.7710.771..13.816
1901-19505.4253.5317.1220.7710.7711.15818.514
1951-20004.7274.6285.7250.7711.1580.410017.114
2001-20130.41000.4100........0.771
no afforestation or unknown180.92249.41381.11111.22143.62189.021255.21
total197.11260.71400.61113.32146.52190.411308.61

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146011/132384

NFI4b

forest area: year of afforestation (classes) · production region
unit: %
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
year of afforestation (classes) %± %± %± %± %± %±
before 18511.10.40.20.20.20.20.10.1..0.20.1
1851-19001.60.50.90.42.60.60.50.2..1.10.2
1901-19503.00.71.10.42.60.60.60.20.60.31.40.2
1951-20002.20.61.80.52.20.60.70.20.20.21.30.2
2001-20130.20.20.20.2......0.10.0
no afforestation or unknown91.91.295.90.892.41.098.10.499.20.495.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146012/132385

NFI4b

forest area: year of afforestation (classes) · production region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
year of afforestation (classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
before 18512.2410.41000.41000.4100..3.333
1851-19003.3332.1416.1242.438..13.916
1901-19506.2242.5386.1242.8351.15818.614
1951-20004.4294.2295.0263.1330.410017.114
2001-20130.41000.4100......0.771
no afforestation or unknown187.22224.31214.42444.71183.711254.41
total203.71233.81232.01453.41185.111308.01

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146013/132386

NFI4b

forest area: year of afforestation (classes) · protection forest region
unit: %
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
year of afforestation (classes) %± %± %± %± %± %± %±
before 18510.60.20.20.2....0.20.2..0.20.1
1851-19001.20.31.90.61.90.60.50.40.20.2..1.10.2
1901-19502.00.42.30.61.30.50.50.40.60.30.60.31.40.2
1951-20002.00.41.40.51.70.60.50.40.80.40.20.21.30.2
2001-20130.20.1..........0.10.0
no afforestation or unknown94.10.794.20.995.01.098.40.698.20.699.20.495.90.3
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, 07.11.2014 #146014/132387

NFI4b

forest area: year of afforestation (classes) · protection forest region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
year of afforestation (classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
before 18512.5380.4100....0.4100..3.233
1851-19005.4264.3293.1330.7710.4100..13.816
1901-19508.6205.0262.1410.7711.1581.15818.514
1951-20008.6203.2332.8350.7711.4500.410017.114
2001-20130.771..........0.771
no afforestation or unknown411.81211.02151.62126.32170.82183.711255.11
total437.51224.01159.52128.32174.02185.111308.51

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146015/132388

NFI4b

forest area: year of afforestation (classes) · economic region
unit: %
unit of evaluation: forest
grid:
state 2009/13
year of afforestation (classes)
before 18511851-19001901-19501951-20002001-2013no afforestation or unknowntotal
economic region %± %± %± %± %± %± %±
Western Jura0.50.31.40.63.20.82.70.80.20.292.01.3100.0.
Eastern Jura3.31.62.51.42.51.4....91.82.5100.0.
Western Plateau....0.80.83.31.6..95.91.8100.0.
Central Plateau0.40.40.40.40.50.51.30.80.50.596.71.2100.0.
Eastern Plateau..1.60.71.60.71.60.7..95.31.2100.0.
Western Pre-Alps..3.81.70.80.81.51.1..93.92.1100.0.
Central Pre-Alps0.30.31.70.83.81.11.40.7..92.81.5100.0.
Eastern Pre-Alps..3.21.22.31.03.61.3..90.91.9100.0.
Northwestern Alps..1.00.71.00.71.50.9..96.51.3100.0.
Central Alps..0.90.9......99.10.9100.0.
Northeastern Alps..0.90.90.90.9....98.31.2100.0.
Southwestern Alps..0.50.40.50.40.50.4..98.40.6100.0.
Southeastern Alps0.20.20.20.20.60.30.80.4..98.20.6100.0.
Southern Alps....0.60.30.20.2..99.20.4100.0.
Switzerland0.30.11.10.21.40.21.30.20.10.095.90.3100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146016/132389

NFI4b

forest area: year of afforestation (classes) · economic region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
year of afforestation (classes)
before 18511851-19001901-19501951-20002001-2013no afforestation or unknowntotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0.7712.1415.0264.3290.4100143.32155.82
Eastern Jura1.6491.2571.257....44.2348.22
Western Plateau....0.41001.649..47.9449.93
Central Plateau0.31000.31000.41000.9570.410067.8270.12
Eastern Plateau..1.8441.8441.845..108.32113.72
Western Pre-Alps..1.9440.41000.770..45.8448.73
Central Pre-Alps0.41001.8443.9301.450..97.23104.72
Eastern Pre-Alps..2.5371.8442.935..71.4378.63
Northwestern Alps..0.7710.7711.157..68.0370.53
Central Alps..0.3100......39.0539.34
Northeastern Alps..0.41000.4100....40.9441.64
Southwestern Alps..0.7710.7710.771..126.32128.32
Southeastern Alps0.41000.41001.1581.450..170.82174.02
Southern Alps....1.1580.4100..183.71185.11
Switzerland3.33314.01618.71417.2140.7711254.511308.51

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146017/132390

NFI4b

forest area: origin of the forest · biogeographical region
unit: %
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
origin of the forest %± %± %± %± %± %± %±
always forest84.61.592.11.082.41.180.52.285.91.772.61.983.50.6
natural reforestation6.81.12.20.512.31.017.42.112.21.626.31.911.90.5
artificial reforestation5.51.03.10.63.80.60.60.41.50.60.20.22.90.3
mixed reforestation2.70.71.20.41.10.31.20.60.50.30.60.31.20.2
unkown0.40.31.40.40.40.20.30.3..0.40.30.50.1
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, 07.11.2014 #146018/132391

NFI4b

forest area: origin of the forest · biogeographical region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
origin of the forest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
always forest166.82240.12330.1291.23125.83138.331092.41
natural reforestation13.4165.72549.2819.71217.81350.07155.74
artificial reforestation10.8188.22115.3150.7712.1410.410037.410
mixed reforestation5.4263.2334.3291.4500.7711.15816.015
unkown0.7713.5311.8450.3100..0.7717.122
total197.11260.71400.61113.32146.52190.411308.61

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146019/132392

NFI4b

forest area: origin of the forest · production region
unit: %
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
origin of the forest %± %± %± %± %± %±
always forest85.11.591.91.183.21.583.01.072.81.983.50.6
natural reforestation6.41.02.60.68.51.115.01.026.01.911.90.5
artificial reforestation5.20.92.90.66.41.01.10.30.20.22.90.3
mixed reforestation2.90.71.20.41.20.40.80.20.60.31.20.2
unkown0.40.31.50.50.60.30.20.10.40.30.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146020/132393

NFI4b

forest area: origin of the forest · production region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
origin of the forest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
always forest173.42214.82193.12376.12134.831092.21
natural reforestation13.1166.02419.81367.9748.27155.04
artificial reforestation10.6186.72314.8155.2260.410037.610
mixed reforestation5.8252.8352.9353.5311.15816.115
unkown0.7713.5311.4500.7710.7717.122
total203.71233.81232.01453.41185.111308.01

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146021/132394

NFI4b

forest area: origin of the forest · protection forest region
unit: %
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
origin of the forest %± %± %± %± %± %± %±
always forest88.80.983.11.583.31.879.82.185.01.672.81.983.50.6
natural reforestation4.30.610.51.211.51.518.32.013.21.526.01.911.90.5
artificial reforestation3.90.64.70.84.10.90.50.41.20.50.20.22.90.3
mixed reforestation2.00.41.10.40.90.41.10.50.60.30.60.31.20.2
unkown1.00.30.60.30.20.20.30.3..0.40.30.50.1
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, 07.11.2014 #146022/132395

NFI4b

forest area: origin of the forest · protection forest region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
origin of the forest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
always forest388.51186.12132.83102.43147.82134.831092.41
natural reforestation19.01423.41218.41323.51123.01248.27155.64
artificial reforestation17.21410.5186.6220.7712.1410.410037.410
mixed reforestation8.6202.5381.4501.4501.1581.15816.015
unkown4.3291.4500.41000.3100..0.7717.122
total437.51224.01159.52128.32174.02185.111308.51

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146023/132396

NFI4b

forest area: origin of the forest · economic region
unit: %
unit of evaluation: forest
grid:
state 2009/13
origin of the forest
always forestnatural reforestationartificial reforestationmixed reforestationunkowntotal
economic region %± %± %± %± %± %±
Western Jura84.11.87.41.35.01.03.00.80.50.3100.0.
Eastern Jura88.62.73.21.65.72.12.51.4..100.0.
Western Plateau93.42.32.51.42.51.41.71.2..100.0.
Central Plateau94.01.61.90.92.41.10.90.60.90.6100.0.
Eastern Plateau89.61.73.21.03.51.01.30.62.50.9100.0.
Western Pre-Alps75.73.718.23.46.12.1....100.0.
Central Pre-Alps85.62.15.81.45.81.41.40.71.40.7100.0.
Eastern Pre-Alps84.62.46.41.67.31.81.80.9..100.0.
Northwestern Alps84.32.612.22.32.01.01.50.9..100.0.
Central Alps83.73.515.43.40.90.9....100.0.
Northeastern Alps82.73.514.73.31.71.2..0.90.9100.0.
Southwestern Alps79.82.118.32.00.50.41.10.50.30.3100.0.
Southeastern Alps85.01.613.21.51.20.50.60.3..100.0.
Southern Alps72.81.926.01.90.20.20.60.30.40.3100.0.
Switzerland83.50.611.80.52.90.31.20.20.50.1100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146024/132397

NFI4b

forest area: origin of the forest · economic region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
origin of the forest
always forestnatural reforestationartificial reforestationmixed reforestationunkowntotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura131.1311.5177.8214.6270.771155.82
Eastern Jura42.741.5502.8371.257..48.22
Western Plateau46.641.2571.2570.870..49.93
Central Plateau65.831.3501.7450.6710.67170.12
Eastern Plateau101.923.6313.9301.4502.935113.72
Western Pre-Alps36.968.9193.034....48.73
Central Pre-Alps89.636.1246.1241.4501.450104.72
Eastern Pre-Alps66.445.0265.7241.450..78.63
Northwestern Alps59.448.6191.4501.157..70.53
Central Alps32.956.1240.3100....39.34
Northeastern Alps34.456.1230.770..0.410041.64
Southwestern Alps102.4323.5110.7711.4500.3100128.32
Southeastern Alps147.8223.0122.1411.158..174.02
Southern Alps134.8348.270.41001.1580.771185.11
Switzerland1092.81154.6437.91016.1157.0221308.51

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #146025/132398

NFI4b

forest area: year of afforestation (class size 10) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
year of afforestation (class size 10) %± %± %± %± %± %± %±
no afforestation or unknown91.71.295.80.794.60.798.00.897.70.899.10.495.60.4
before 18511.10.40.10.10.10.1..0.30.3..0.30.1
1851-1860..0.10.10.10.1......0.10.0
1861-18700.60.30.30.20.20.1......0.20.1
1871-18800.20.20.10.10.20.1..0.30.3..0.10.1
1881-18900.40.30.30.20.80.3......0.40.1
1891-19000.70.40.10.10.50.20.70.50.30.3..0.40.1
1901-19100.90.40.40.20.40.2..0.30.30.20.20.40.1
1911-19200.20.20.10.10.50.2......0.20.1
1921-19300.40.30.10.10.50.2....0.20.20.30.1
1931-19400.60.3..0.50.20.70.5....0.30.1
1941-19500.70.40.70.30.10.1..0.30.30.20.20.40.1
1951-19600.70.40.10.10.60.2......0.30.1
1961-19700.70.41.10.40.60.20.30.30.60.4..0.60.1
1971-19800.90.40.10.10.30.2......0.30.1
1981-1990..0.30.2..0.30.30.30.30.20.20.10.1
1991-2000....0.10.1......0.00.0
2001-20100.20.20.10.1........0.10.0
2011-2020..............
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, 07.11.2014 #146026/132399
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