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NFI4b

forest area: percentage of salvage logging · 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
percentage of salvage logging %± %± %± %± %± %± %±
0%85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
1-50%8.10.82.70.72.70.8..0.20.21.50.64.00.3
over 50%6.80.74.60.95.31.23.51.03.00.91.20.54.80.4
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 #137077/123451

NFI4b

forest area: percentage of salvage logging · 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
percentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0%366.02189.02119.33105.33136.12141.821057.51
1-50%34.7105.4263.431..0.41002.14146.09
over 50%29.3119.4196.9223.8304.2291.84555.48
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137078/123452

NFI4b

forest area: percentage of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
percentage of salvage logging
0%1-50%over 50%total
economic region %± %± %± %±
Western Jura91.11.44.21.04.71.0100.0.
Eastern Jura79.53.714.83.25.72.1100.0.
Western Plateau84.83.33.31.611.93.0100.0.
Central Plateau82.02.69.52.08.61.9100.0.
Eastern Plateau81.52.211.51.87.01.4100.0.
Western Pre-Alps95.91.83.31.60.80.8100.0.
Central Pre-Alps92.31.61.80.85.91.4100.0.
Eastern Pre-Alps89.82.13.41.36.81.8100.0.
Northwestern Alps91.32.23.51.45.21.7100.0.
Central Alps92.43.02.51.85.12.5100.0.
Northeastern Alps96.61.91.11.12.21.6100.0.
Southwestern Alps96.51.0..3.51.0100.0.
Southeastern Alps96.70.90.20.23.00.9100.0.
Southern Alps97.30.81.50.61.20.5100.0.
Switzerland91.30.54.00.34.80.4100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137079/123453

NFI4b

forest area: percentage of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
percentage of salvage logging
0%1-50%over 50%total
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura139.326.4237.122152.82
Eastern Jura38.357.1222.83748.22
Western Plateau41.051.6505.82548.43
Central Plateau56.346.5215.92268.72
Eastern Plateau91.2312.9167.921111.92
Western Pre-Alps42.941.5490.410044.84
Central Pre-Alps90.031.8445.72497.52
Eastern Pre-Alps66.142.5375.02673.63
Northwestern Alps56.142.2403.23361.54
Central Alps24.980.7701.44927.07
Northeastern Alps30.860.41000.77031.96
Southwestern Alps105.33..3.830109.13
Southeastern Alps136.120.41004.229140.62
Southern Alps141.822.1411.845145.72
Switzerland1060.1146.0855.681161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137080/123454

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · 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
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %±
0%n/a90.21.381.31.493.60.896.11.196.31.097.40.891.30.5
insects..............
fungi..............
windthrow..............
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total90.21.381.31.493.60.896.11.196.31.097.40.891.30.5
1-50%n/a..............
insects0.90.43.00.60.30.2....0.20.20.90.2
fungi..1.00.40.10.1......0.20.1
windthrow2.40.73.60.71.00.3....0.20.21.50.2
snow load0.40.31.90.50.40.2..0.30.30.50.30.70.1
avalanches..........0.50.30.10.0
landslides..0.10.1........0.00.0
flooding..............
forest fire..............
loss of vitality1.30.50.30.20.30.2......0.40.1
others..0.30.2........0.10.0
total5.00.910.21.12.20.5..0.30.31.40.64.00.3
over 50%n/a..............
insects2.80.74.50.82.50.5..0.90.50.20.22.30.3
fungi..0.10.1........0.00.0
windthrow0.90.41.80.51.00.31.80.80.60.40.50.31.10.2
snow load0.40.30.60.30.40.21.40.71.80.70.20.20.60.1
avalanches......0.40.4..0.20.20.10.0
landslides....0.20.1......0.10.0
flooding..............
forest fire..............
loss of vitality0.60.31.10.40.10.1......0.40.1
others0.20.20.40.2..0.40.4....0.20.1
total4.80.98.51.04.20.63.91.13.41.01.20.54.80.4
totaln/a90.21.381.31.493.60.896.11.196.31.097.40.891.30.5
insects3.70.87.61.02.80.5..0.90.50.50.33.30.3
fungi..1.10.40.10.1......0.30.1
windthrow3.30.85.40.82.10.51.80.80.60.40.70.42.70.3
snow load0.70.42.50.60.80.31.40.72.10.80.70.41.30.2
avalanches......0.40.4..0.70.40.10.1
landslides..0.10.10.20.1......0.10.1
flooding..............
forest fire..............
loss of vitality1.90.61.40.40.40.2......0.70.1
others0.20.20.70.3..0.40.4....0.20.1
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, 10.11.2014 #137081/123455

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · 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
percentage of salvage loggingcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0%n/a174.82209.02322.9293.83111.73146.121058.31
insects..............
fungi..............
windthrow..............
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total174.82209.02322.9293.83111.73146.121058.31
1-50%n/a..............
insects1.8457.8211.158....0.410011.018
fungi..2.5380.4100......2.835
windthrow4.7279.2193.531....0.410017.814
snow load0.7714.9261.450..0.41000.7718.221
avalanches..........0.7710.771
landslides..0.4100........0.4100
flooding..............
forest fire..............
loss of vitality2.5380.7711.158......4.329
others..0.771........0.771
total9.71926.2117.522..0.41002.14145.89
over 50%n/a..............
insects5.42511.7178.520..1.1580.410027.011
fungi..0.4100........0.4100
windthrow1.8454.6283.5311.7440.7710.77113.116
snow load0.7711.4501.4501.4502.1410.41007.422
avalanches......0.3100..0.41000.771
landslides....0.771......0.771
flooding..............
forest fire..............
loss of vitality1.1582.8350.4100......4.329
others0.41001.158..0.3100....1.845
total9.41921.91214.5153.8303.9301.84555.38
totaln/a174.82209.02322.9293.83111.73146.121058.31
insects7.22219.4139.619..1.1580.77138.09
fungi..2.8350.4100......3.233
windthrow6.52313.8167.1221.7440.7711.15830.911
snow load1.4506.4232.8351.4502.5381.15815.615
avalanches......0.3100..1.1581.450
landslides..0.41000.771......1.158
flooding..............
forest fire..............
loss of vitality3.6313.5311.450......8.620
others0.41001.845..0.3100....2.538
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137082/123456

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0%n/a76.23.893.86.192.05.587.71.578.45.890.32.8100.0.97.82.296.90.895.42.388.22.989.83.3100.0.90.24.293.32.080.66.488.13.689.83.577.65.097.30.996.32.691.61.796.51.057.113.786.22.991.20.5
insects....................................................
fungi....................................................
windthrow....................................................
snow load....................................................
avalanches....................................................
landslides....................................................
flooding....................................................
forest fire....................................................
loss of vitality....................................................
others....................................................
total76.23.893.86.192.05.587.71.578.45.890.32.8100.0.97.82.296.90.895.42.388.22.989.83.3100.0.90.24.293.32.080.66.488.13.689.83.577.65.097.30.996.32.691.61.796.51.057.113.786.22.991.20.5
1-50%n/a....................................................
insects4.11.8....1.80.6..0.90.9......1.21.20.80.83.41.9....0.70.75.63.91.21.2..2.82.00.30.3..0.40.4....2.11.20.90.2
fungi1.61.2....0.40.3......................2.82.8................2.11.20.20.1
windthrow5.72.1....2.20.73.92.81.81.2..........2.31.6..3.92.71.30.98.34.76.02.61.31.34.22.40.30.3..1.90.8..7.17.12.11.21.60.2
snow load2.51.4..4.04.0..3.92.8......0.40.3..0.80.8....2.02.02.01.1..2.41.7..2.82.00.30.3......7.17.12.81.40.70.1
avalanches................0.20.2....................0.30.3..........0.10.0
landslides............................0.70.7....................0.00.0
flooding....................................................
forest fire....................................................
loss of vitality1.61.2....0.80.42.02.0............1.11.1........2.41.7........0.80.5......0.40.1
others0.80.8..............................................0.70.70.10.0
total16.43.4..4.04.05.31.09.84.22.61.5....0.60.41.21.21.61.16.82.7..5.93.34.71.716.76.311.93.61.31.39.83.51.20.6..3.01.1..14.39.79.72.54.00.3
over 50%n/a....................................................
insects3.31.6..4.04.04.60.93.92.82.61.5..2.22.20.80.41.21.28.62.53.41.9..2.02.01.30.9....3.82.28.43.30.30.3..2.71.0....2.11.22.30.3
fungi0.80.8................................................0.00.0
windthrow1.61.2....1.60.62.02.01.81.2....0.40.31.21.20.80.8....2.02.0..2.82.8..2.61.81.41.40.60.41.81.81.20.71.60.714.39.71.41.01.10.2
snow load......0.60.32.02.0......1.30.5..........0.70.7....1.31.31.41.40.30.3..0.40.41.30.614.39.7..0.60.1
avalanches......................................0.30.3....0.30.3....0.10.0
landslides....................0.80.8............1.31.3..............0.10.0
flooding....................................................
forest fire....................................................
loss of vitality..6.26.1..0.20.23.92.80.90.9......1.21.2................1.41.4..1.81.81.20.7....0.70.70.40.1
others1.61.2........1.81.2................................0.30.3....0.20.1
total7.42.46.26.14.04.07.11.211.84.67.02.4..2.22.22.50.73.52.010.22.73.41.9..3.92.72.01.12.82.8..9.03.312.64.01.50.73.72.65.41.43.51.028.612.54.11.74.80.4
totaln/a76.23.993.86.192.05.587.71.578.45.890.32.8100.0.97.82.296.90.895.42.388.22.989.83.3100.0.90.24.293.32.080.66.788.13.689.83.577.65.097.30.996.32.691.61.796.51.057.113.786.22.991.20.5
insects7.42.4..4.04.06.51.13.92.83.51.7..2.22.20.80.42.31.69.42.66.82.7..2.02.02.01.15.63.91.21.23.82.211.23.80.60.4..3.11.1....4.11.73.20.3
fungi2.51.4....0.40.3......................2.82.8................2.11.20.30.1
windthrow7.42.4....3.80.95.93.33.51.7....0.40.31.21.20.80.82.31.6..5.93.31.30.911.15.36.02.63.82.25.62.70.90.51.81.83.01.11.60.721.411.33.41.52.70.3
snow load2.51.4..4.04.00.60.35.93.3......1.70.6..0.80.8....2.02.02.71.3..2.41.71.31.34.22.40.60.4..0.40.41.30.621.411.32.81.41.40.2
avalanches................0.20.2....................0.60.4....0.30.3....0.10.1
landslides....................0.80.8......0.70.7....1.31.3..............0.10.1
flooding....................................................
forest fire....................................................
loss of vitality1.61.26.26.1..1.00.55.93.30.90.9......1.21.2..1.11.1........2.41.7..1.41.4..1.81.81.90.9....0.70.70.80.2
others2.51.4........1.81.2................................0.30.3..0.70.70.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137083/123457

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
percentage of salvage logging
0%1-50%over 50%total
cantoncause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a37.45....37.46
insects..2.0441.6493.632
fungi..0.8700.41001.257
windthrow..2.8370.8703.632
snow load..1.257..1.257
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.870..0.870
others..0.41000.8701.257
total37.458.0213.63249.12
AIn/a4.914....4.914
insects........
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total4.914..0.31005.212
ARn/a7.48....7.48
insects....0.31000.3100
fungi........
windthrow........
snow load..0.3100..0.3100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total7.480.31000.31008.05
BEn/a148.62....148.62
insects..3.1337.92010.917
fungi..0.771..0.771
windthrow..3.8302.7356.523
snow load....1.0581.058
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..1.4500.31001.745
others........
total148.628.91912.016169.52
BL/BSn/a16.29....16.29
insects....0.8700.870
fungi........
windthrow..0.8700.41001.257
snow load..0.8700.41001.257
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.41000.8701.257
others........
total16.292.0432.43920.75
FRn/a38.54....38.54
insects..0.41001.1571.549
fungi........
windthrow..0.7700.7701.549
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.41000.4100
others....0.7700.770
total38.541.1573.03442.63
GEn/a3.120....3.120
insects........
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total3.120....3.120
GLn/a16.97....16.97
insects....0.41000.4100
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total16.97..0.410017.37
GRn/a163.42....163.42
insects....1.4501.450
fungi........
windthrow....0.7710.771
snow load..0.7712.1412.835
avalanches..0.3100..0.3100
landslides........
flooding........
forest fire........
loss of vitality........
others........
total163.421.0584.229168.62
JUn/a32.34....32.34
insects..0.41000.41000.870
fungi........
windthrow....0.41000.4100
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.41000.4100
others........
total32.340.41001.25733.93
LUn/a35.35....35.35
insects..0.31003.5293.828
fungi........
windthrow....0.31000.3100
snow load..0.3100..0.3100
avalanches........
landslides....0.31000.3100
flooding........
forest fire........
loss of vitality........
others........
total35.350.6704.12640.03
NEn/a25.36....25.36
insects..1.0571.0571.940
fungi........
windthrow..0.670..0.670
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.3100..0.3100
others........
total25.361.9401.05728.24
NWn/a7.78....7.78
insects........
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total7.78....7.78
OWn/a17.26....17.26
insects....0.41000.4100
fungi........
windthrow..0.7700.41001.157
snow load..0.4100..0.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total17.261.1570.77019.04
SGn/a50.65....50.65
insects..0.41000.7701.157
fungi........
windthrow..0.770..0.770
snow load..1.1570.41001.450
avalanches........
landslides..0.4100..0.4100
flooding........
forest fire........
loss of vitality........
others........
total50.652.5371.15754.24
SHn/a10.39....10.39
insects..0.770..0.770
fungi..0.4100..0.4100
windthrow..1.1560.41001.448
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total10.392.1380.410012.83
SOn/a28.05....28.05
insects..0.4100..0.4100
fungi........
windthrow..1.944..1.944
snow load..0.870..0.870
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.870..0.870
others........
total28.053.830..31.83
SZn/a25.46....25.46
insects....1.1571.157
fungi........
windthrow..0.41000.7701.157
snow load....0.41000.4100
avalanches........
landslides....0.41000.4100
flooding........
forest fire........
loss of vitality........
others........
total25.460.41002.53628.35
TGn/a16.57....16.57
insects..0.6701.8392.434
fungi........
windthrow..0.9570.31001.249
snow load..0.6700.31000.957
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total16.572.1362.73121.33
TIn/a114.53....114.53
insects..0.41000.41000.771
fungi........
windthrow..0.41000.7711.158
snow load..0.41000.41000.771
avalanches..0.41000.41000.771
landslides........
flooding........
forest fire........
loss of vitality........
others........
total114.531.4501.844117.72
URn/a17.39....17.39
insects........
fungi........
windthrow....0.31000.3100
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total17.39..0.77018.09
VDn/a90.63....90.63
insects..0.41002.7373.035
fungi........
windthrow..1.9451.1583.035
snow load....0.41000.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.8711.1581.944
others........
total90.633.0355.32698.92
VSn/a105.33....105.33
insects........
fungi........
windthrow....1.7441.744
snow load....1.4501.450
avalanches....0.31000.3100
landslides........
flooding........
forest fire........
loss of vitality........
others....0.31000.3100
total105.33..3.830109.13
ZGn/a3.425....3.425
insects........
fungi........
windthrow..0.41000.9681.353
snow load..0.41000.9681.353
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total3.4250.9681.7446.06
ZHn/a44.14....44.14
insects..1.1571.1572.140
fungi..1.157..1.157
windthrow..1.1570.7701.844
snow load..1.449..1.449
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.41000.4100
others..0.4100..0.4100
total44.144.9262.14051.12
Switzerlandn/a1060.21....1060.21
insects..11.01826.41137.39
fungi..2.9350.41003.333
windthrow..18.21413.31631.511
snow load..8.4217.52215.915
avalanches..0.7710.7711.450
landslides..0.41000.7711.058
flooding........
forest fire........
loss of vitality..4.4294.4298.820
others..0.8711.9452.738
total1060.2146.7955.281162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137084/123458

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %±
0%n/a88.51.482.21.592.21.195.50.697.30.891.30.5
insects............
fungi............
windthrow............
snow load............
avalanches............
landslides............
flooding............
forest fire............
loss of vitality............
others............
total88.51.482.21.592.21.195.50.697.30.891.30.5
1-50%n/a............
insects1.50.52.60.60.70.30.10.10.20.21.00.2
fungi0.40.30.80.30.20.2....0.20.1
windthrow3.10.73.40.70.80.40.50.20.20.21.50.2
snow load0.40.31.80.50.80.40.20.10.50.30.70.1
avalanches........0.50.30.10.0
landslides..0.20.2......0.00.0
flooding............
forest fire............
loss of vitality1.30.50.30.20.20.20.20.1..0.40.1
others..0.30.2......0.10.0
total6.51.19.41.12.70.70.90.31.50.64.00.3
over 50%n/a............
insects2.50.74.80.83.30.70.90.30.20.22.30.3
fungi..0.20.2......0.00.0
windthrow1.10.41.50.50.80.41.30.40.50.31.10.2
snow load0.40.30.50.30.70.31.00.30.20.20.60.1
avalanches......0.10.10.20.20.10.0
landslides..0.20.20.20.2....0.10.0
flooding............
forest fire............
loss of vitality0.70.40.90.40.20.20.10.1..0.40.1
others0.20.20.50.3..0.10.1..0.20.1
total4.90.98.41.15.20.93.60.61.20.54.80.4
totaln/a88.51.482.21.592.21.195.50.697.30.891.30.5
insects4.00.87.41.04.00.81.00.30.50.33.30.3
fungi0.40.30.90.40.20.2....0.30.1
windthrow4.20.94.90.81.70.51.80.40.70.42.70.3
snow load0.70.42.30.61.50.51.20.30.70.41.30.2
avalanches......0.10.10.70.40.10.1
landslides..0.30.20.20.2....0.10.1
flooding............
forest fire............
loss of vitality2.00.61.20.40.30.20.30.2..0.70.2
others0.20.20.80.3..0.10.1..0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137085/123459

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · 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
percentage of salvage loggingcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0%n/a177.82188.42198.92350.12141.821057.01
insects............
fungi............
windthrow............
snow load............
avalanches............
landslides............
flooding............
forest fire............
loss of vitality............
others............
total177.82188.42198.92350.12141.821057.01
1-50%n/a............
insects2.9356.0241.4500.31000.410011.018
fungi0.7711.8450.4100....2.835
windthrow6.2247.7211.8451.7450.410017.814
snow load0.7714.2291.8450.7710.7718.121
avalanches........0.7710.771
landslides..0.4100......0.4100
flooding............
forest fire............
loss of vitality2.6380.7710.41000.771..4.329
others..0.771......0.771
total13.11621.4125.8253.5322.14145.99
over 50%n/a............
insects5.12610.9187.2223.5310.410027.011
fungi..0.4100......0.4100
windthrow2.2413.5311.8454.8270.77113.116
snow load0.7711.1581.4503.8300.41007.422
avalanches......0.31000.41000.771
landslides..0.41000.4100....0.771
flooding............
forest fire............
loss of vitality1.5502.1410.41000.3100..4.329
others0.41001.158..0.3100..1.845
total9.91919.31311.21813.1161.84555.38
totaln/a177.82188.42198.92350.12141.821057.01
insects8.02116.9148.7203.8300.77138.19
fungi0.7712.1410.4100....3.233
windthrow8.42011.3173.6316.6231.15830.911
snow load1.5505.3263.2334.5281.15815.515
avalanches......0.31001.1581.450
landslides..0.7710.4100....1.158
flooding............
forest fire............
loss of vitality4.0302.8350.7711.158..8.620
others0.41001.845..0.3100..2.538
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137086/123460

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · 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
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %±
0%n/a85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
insects..............
fungi..............
windthrow..............
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
1-50%n/a..............
insects2.10.40.70.40.30.3....0.20.21.00.2
fungi0.60.2..0.30.3......0.20.1
windthrow3.20.51.20.50.80.5....0.20.21.50.2
snow load1.20.30.20.21.30.6..0.20.20.50.30.70.1
avalanches..........0.50.30.10.0
landslides0.10.1..........0.00.0
flooding..............
forest fire..............
loss of vitality0.70.20.50.3........0.40.1
others0.20.1..........0.10.0
total8.10.82.70.72.70.8..0.20.21.50.64.00.3
over 50%n/a..............
insects3.70.53.20.72.10.7..1.00.50.20.22.30.3
fungi0.10.1..........0.00.0
windthrow1.30.31.20.51.30.61.60.70.50.40.50.31.10.2
snow load0.40.20.20.21.10.51.30.61.50.60.20.20.60.1
avalanches......0.30.3..0.20.20.10.0
landslides0.10.1..0.30.3......0.10.0
flooding..............
forest fire..............
loss of vitality0.80.3..0.50.4......0.40.1
others0.30.2....0.30.3....0.20.1
total6.80.74.60.95.31.23.51.03.00.91.20.54.80.4
totaln/a85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
insects5.80.73.90.82.40.8..1.00.50.50.33.30.3
fungi0.70.2..0.30.3......0.30.1
windthrow4.60.62.50.72.10.71.60.70.50.40.70.42.70.3
snow load1.60.40.40.32.40.81.30.61.80.70.70.41.30.2
avalanches......0.30.3..0.70.40.10.1
landslides0.20.1..0.30.3......0.10.1
flooding..............
forest fire..............
loss of vitality1.60.40.50.30.50.4......0.70.1
others0.50.2....0.30.3....0.20.1
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, 10.11.2014 #137087/123461

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · 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
percentage of salvage loggingcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0%n/a366.02189.02119.33105.33136.12141.821057.51
insects..............
fungi..............
windthrow..............
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total366.02189.02119.33105.33136.12141.821057.51
1-50%n/a..............
insects8.9201.4500.3100....0.410011.118
fungi2.538..0.3100......2.835
windthrow14.0162.5381.058....0.410017.914
snow load5.0270.41001.744..0.41000.7718.221
avalanches..........0.7710.771
landslides0.4100..........0.4100
flooding..............
forest fire..............
loss of vitality3.2331.158........4.329
others0.771..........0.771
total34.7105.4263.431..0.41002.14146.09
over 50%n/a..............
insects16.1156.5232.835..1.4500.410027.111
fungi0.4100..........0.4100
windthrow5.7252.5381.7441.7440.7710.77113.116
snow load1.8450.41001.4501.4502.1410.41007.422
avalanches......0.3100..0.41000.771
landslides0.4100..0.3100......0.771
flooding..............
forest fire..............
loss of vitality3.632..0.771......4.329
others1.450....0.3100....1.845
total29.3119.4196.9223.8304.2291.84555.48
totaln/a366.02189.02119.33105.33136.12141.821057.51
insects25.0127.9213.133..1.4500.77138.29
fungi2.935..0.3100......3.233
windthrow19.7135.0262.8351.7440.7711.15831.011
snow load6.8230.7713.1331.4502.5381.15815.515
avalanches......0.3100..1.1581.450
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.8231.1580.771......8.620
others2.141....0.3100....2.538
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137088/123462

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0%n/a91.11.479.53.784.83.382.02.681.52.295.91.892.31.689.82.191.32.292.43.096.61.996.51.096.70.997.30.891.30.5
insects..............................
fungi..............................
windthrow..............................
snow load..............................
avalanches..............................
landslides..............................
flooding..............................
forest fire..............................
loss of vitality..............................
others..............................
total91.11.479.53.784.83.382.02.681.52.295.91.892.31.689.82.191.32.292.43.096.61.996.51.096.70.997.30.891.30.5
1-50%n/a..............................
insects1.20.52.51.40.90.93.21.22.90.90.80.80.70.50.50.50.60.6........0.20.20.90.2
fungi..1.61.2..0.90.61.00.6....0.50.5............0.20.1
windthrow1.90.77.42.42.41.43.21.23.81.12.51.40.40.40.50.51.71.02.51.8......0.20.21.50.2
snow load..1.61.2..1.40.82.90.9..0.40.41.91.0....1.11.1..0.20.20.50.30.70.1
avalanches..........................0.50.30.10.0
landslides........0.30.3..................0.00.0
flooding..............................
forest fire..............................
loss of vitality1.20.51.61.2..0.90.6....0.40.4..1.20.8..........0.40.1
others........0.60.5..................0.10.0
total4.21.014.83.23.31.69.52.011.51.83.31.61.80.83.41.33.51.42.51.81.11.1..0.20.21.50.64.00.3
over 50%n/a..............................
insects3.00.80.80.85.12.05.91.63.81.1..5.11.32.91.22.31.2..2.21.6..1.00.50.20.22.30.3
fungi........0.30.3..................0.00.0
windthrow0.90.51.61.21.71.21.40.81.60.70.80.80.40.41.50.82.91.32.51.8..1.60.70.50.40.50.31.10.2
snow load0.20.20.80.80.90.90.50.50.30.3..0.40.41.50.8..1.31.3..1.30.61.50.60.20.20.60.1
avalanches......................0.30.3..0.20.20.10.0
landslides......0.50.5......0.50.5............0.10.0
flooding..............................
forest fire..............................
loss of vitality0.50.31.61.22.61.50.50.50.60.5....0.50.5..1.31.3........0.40.1
others..0.80.81.71.2..0.30.3............0.30.3....0.20.1
total4.71.05.72.111.93.08.61.97.01.40.80.85.91.46.81.85.21.75.12.52.21.63.51.03.00.91.20.54.80.4
totaln/a91.11.479.53.784.83.382.02.681.52.295.91.892.31.689.82.191.32.292.43.096.61.996.51.096.70.997.30.891.30.5
insects4.21.03.31.66.02.29.01.96.71.40.80.85.91.43.41.32.91.3..2.21.6..1.00.50.50.33.30.3
fungi..1.61.2..0.90.61.30.6....0.50.5............0.30.1
windthrow2.80.89.02.64.11.84.51.45.41.33.31.60.70.51.91.04.61.65.12.5..1.60.70.50.40.70.42.70.3
snow load0.20.22.51.40.90.91.80.93.21.0..0.70.53.41.3..1.31.31.11.11.30.61.80.70.70.41.30.2
avalanches......................0.30.3..0.70.40.10.1
landslides......0.50.50.30.3....0.50.5............0.10.1
flooding..............................
forest fire..............................
loss of vitality1.60.63.31.62.61.51.40.80.60.5..0.40.40.50.51.20.81.31.3........0.80.2
others..0.80.81.71.2..1.00.6............0.30.3....0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137089/123463

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
percentage of salvage logging
0%1-50%over 50%total
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a139.32....139.32
insects..1.8454.6276.423
fungi........
windthrow..2.9351.4504.329
snow load....0.41000.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..1.8450.7712.538
others........
total139.326.4237.122152.82
Eastern Juran/a38.35....38.35
insects..1.2570.41001.649
fungi..0.870..0.870
windthrow..3.6320.8704.429
snow load..0.8700.41001.257
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.8700.8701.649
others....0.41000.4100
total38.357.1222.83748.22
Western Plateaun/a41.05....41.05
insects..0.41002.5402.937
fungi........
windthrow..1.2580.8702.044
snow load....0.41000.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....1.2571.257
others....0.8700.870
total41.051.6505.82548.43
Central Plateaun/a56.34....56.34
insects..2.2374.0276.221
fungi..0.671..0.671
windthrow..2.2370.9573.131
snow load..0.9570.31001.250
avalanches........
landslides....0.31000.3100
flooding........
forest fire........
loss of vitality..0.6710.31000.957
others........
total56.346.5215.92268.72
Eastern Plateaun/a91.23....91.23
insects..3.2334.3287.521
fungi..1.1580.41001.450
windthrow..4.3281.8446.124
snow load..3.2330.41003.631
avalanches........
landslides..0.4100..0.4100
flooding........
forest fire........
loss of vitality....0.7710.771
others..0.7710.41001.158
total91.2312.9167.921111.92
Western Pre-Alpsn/a42.94....42.94
insects..0.4100..0.4100
fungi........
windthrow..1.1570.41001.549
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total42.941.5490.410044.84
Central Pre-Alpsn/a90.03....90.03
insects..0.7715.0265.724
fungi........
windthrow..0.41000.41000.771
snow load..0.41000.41000.771
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.4100..0.4100
others........
total90.031.8445.72497.52
Eastern Pre-Alpsn/a66.14....66.14
insects..0.41002.1402.537
fungi..0.4100..0.4100
windthrow..0.41001.1571.450
snow load..1.4501.1572.537
avalanches........
landslides....0.41000.4100
flooding........
forest fire........
loss of vitality....0.41000.4100
others........
total66.142.5375.02673.63
Northwestern Alpsn/a56.14....56.14
insects..0.41001.4501.844
fungi........
windthrow..1.1571.8442.935
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.771..0.771
others........
total56.142.2403.23361.54
Central Alpsn/a24.98....24.98
insects........
fungi........
windthrow..0.7700.7701.449
snow load....0.31000.3100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total24.980.7701.44927.07
Northeastern Alpsn/a30.86....30.86
insects....0.7700.770
fungi........
windthrow........
snow load..0.4100..0.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total30.860.41000.77031.96
Southwestern Alpsn/a105.33....105.33
insects........
fungi........
windthrow....1.7441.744
snow load....1.4501.450
avalanches....0.31000.3100
landslides........
flooding........
forest fire........
loss of vitality........
others....0.31000.3100
total105.33..3.830109.13
Southeastern Alpsn/a136.12....136.12
insects....1.4501.450
fungi........
windthrow....0.7710.771
snow load..0.41002.1412.538
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total136.120.41004.229140.62
Southern Alpsn/a141.82....141.82
insects..0.41000.41000.771
fungi........
windthrow..0.41000.7711.158
snow load..0.7710.41001.158
avalanches..0.7710.41001.158
landslides........
flooding........
forest fire........
loss of vitality........
others........
total141.822.1411.845145.72
Switzerlandn/a1060.11....1060.11
insects..10.91826.91137.89
fungi..2.8350.41003.233
windthrow..18.01413.21631.211
snow load..8.1217.52215.615
avalanches..0.7710.7711.450
landslides..0.41000.7711.058
flooding........
forest fire........
loss of vitality..4.3294.5298.720
others..0.7711.9452.638
total1060.1146.0855.681161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137090/123464

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model) %± %± %± %± %± %± %±
criticalmanaged63.614.577.89.866.45.738.57.861.69.614.06.553.23.6
infrequently managed27.313.411.17.420.44.910.34.97.85.334.38.818.32.8
not managed9.18.711.17.413.24.151.38.030.69.051.79.328.43.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stablemanaged78.53.179.62.462.82.346.74.654.34.620.82.859.61.3
infrequently managed11.02.416.82.318.71.810.02.717.93.518.42.716.51.0
not managed10.52.33.61.118.51.843.34.527.94.160.93.423.91.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablemanaged73.22.481.61.969.32.256.44.463.33.529.73.467.41.1
infrequently managed21.42.215.91.817.01.89.52.613.52.513.82.516.40.9
not managed5.31.22.50.813.61.634.14.223.23.156.53.616.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalmanaged74.71.980.71.566.01.549.83.059.92.724.22.163.40.8
infrequently managed18.21.716.11.418.11.29.81.814.62.017.41.816.50.6
not managed7.11.13.20.615.91.240.32.925.52.458.32.420.10.6
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 #137097/123471

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalmanaged2.5384.92616.4145.1255.6251.45036.010
infrequently managed1.1580.7715.0271.4500.7713.53112.417
not managed0.41000.7713.3336.8222.8355.32619.213
total4.0306.42324.71213.3159.11910.21867.67
less stablemanaged48.6877.16102.7519.21222.61215.315285.43
infrequently managed6.82316.31430.6104.1287.42113.51678.86
not managed6.5233.53130.31017.81311.61744.88114.55
total62.0696.95163.6441.0741.6873.65478.72
stablemanaged93.75125.54108.6524.31141.3819.613413.12
infrequently managed27.41124.41226.7114.1288.8199.119100.66
not managed6.8233.93021.41314.71415.11437.4999.46
total127.93153.83156.7443.2765.2566.16613.02
totalmanaged144.83207.62227.7348.6769.5536.39734.51
infrequently managed35.3941.4962.379.61816.91426.211191.84
not managed13.7168.12154.9839.4829.51087.55233.13
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137098/123472

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonforest management intensity (NFI1 model) %± %± %± %±
AGmanaged..76.16.293.42.586.92.9
infrequently managed..15.25.35.32.69.02.6
not managed..8.74.21.31.34.11.8
total..100.0.100.0.100.0.
AImanaged..60.022.471.313.967.811.8
infrequently managed..20.018.417.811.818.59.9
not managed..20.018.410.89.913.78.9
total..100.0.100.0.100.0.
ARmanaged..70.014.857.113.360.010.0
infrequently managed100.0.30.014.835.713.036.09.7
not managed....7.17.04.04.0
total100.0.100.0.100.0.100.0.
BEmanaged76.08.569.53.279.42.575.01.9
infrequently managed20.08.018.32.611.72.014.91.6
not managed4.03.912.22.28.91.810.11.4
total100.0.100.0.100.0.100.0.
BL/BSmanaged..78.99.372.37.974.86.0
infrequently managed..10.57.121.47.317.35.3
not managed..10.57.16.34.37.93.8
total..100.0.100.0.100.0.
FRmanaged40.022.077.75.770.96.272.84.2
infrequently managed40.022.014.84.916.45.016.73.5
not managed20.018.07.43.612.74.510.52.9
total100.0.100.0.100.0.100.0.
GEmanaged..50.038.062.922.359.119.5
infrequently managed..50.038.037.122.340.919.6
not managed........
total..100.0.100.0.100.0.
GLmanaged80.018.060.910.371.011.166.87.1
infrequently managed..17.48.017.79.415.65.5
not managed20.018.021.78.711.37.617.65.7
total100.0.100.0.100.0.100.0.
GRmanaged57.68.648.13.759.43.055.02.3
infrequently managed15.26.316.42.715.62.215.91.7
not managed27.17.735.53.525.02.629.12.1
total100.0.100.0.100.0.100.0.
JUmanaged75.021.775.27.668.66.571.34.9
infrequently managed25.021.812.55.927.56.321.94.4
not managed..12.25.83.92.76.82.7
total100.0.100.0.100.0.100.0.
LUmanaged81.811.678.55.876.85.377.93.7
infrequently managed18.211.721.55.821.75.221.33.7
not managed....1.51.50.80.8
total100.0.100.0.100.0.100.0.
NEmanaged..96.33.689.04.091.23.1
infrequently managed....7.73.75.32.6
not managed..3.73.63.32.33.41.9
total..100.0.100.0.100.0.
NWmanaged100.0.61.513.666.719.565.010.8
infrequently managed..15.410.2..10.06.9
not managed..23.111.933.319.625.09.9
total100.0.100.0.100.0.100.0.
OWmanaged66.727.552.010.082.58.066.66.7
infrequently managed..8.05.58.75.97.93.8
not managed33.327.540.09.88.76.025.56.2
total100.0.100.0.100.0.100.0.
SGmanaged80.017.967.55.461.85.965.33.9
infrequently managed..16.94.320.64.918.03.1
not managed20.017.915.64.117.74.616.73.0
total100.0.100.0.100.0.100.0.
SHmanaged..66.715.857.79.758.38.2
infrequently managed100.0.22.214.042.39.738.98.2
not managed..11.110.6..2.82.8
total100.0.100.0.100.0.100.0.
SOmanaged..77.47.573.16.273.84.8
infrequently managed..6.54.423.15.916.74.1
not managed100.0.16.16.63.82.79.53.2
total100.0.100.0.100.0.100.0.
SZmanaged71.417.157.68.765.87.762.85.5
infrequently managed28.617.215.16.318.46.317.94.4
not managed..27.37.815.86.019.24.5
total100.0.100.0.100.0.100.0.
TGmanaged100.0.85.46.767.57.375.85.0
infrequently managed..14.66.832.57.424.25.1
not managed........
total100.0.100.0.100.0.100.0.
TImanaged12.76.821.93.225.83.822.82.3
infrequently managed28.99.320.13.113.12.917.92.1
not managed58.410.158.03.861.14.259.32.7
total100.0.100.0.100.0.100.0.
URmanaged32.619.151.710.160.910.253.46.8
infrequently managed34.819.720.28.121.78.722.55.7
not managed32.619.128.19.117.48.024.15.9
total100.0.100.0.100.0.100.0.
VDmanaged45.515.068.65.074.43.471.32.8
infrequently managed27.313.417.54.118.93.118.82.4
not managed27.313.413.93.76.72.09.91.9
total100.0.100.0.100.0.100.0.
VSmanaged41.57.747.44.354.94.250.02.8
infrequently managed9.84.612.02.811.12.611.31.8
not managed48.87.840.64.334.04.038.72.7
total100.0.100.0.100.0.100.0.
ZGmanaged..80.018.3100.0.92.97.1
infrequently managed..20.018.5..7.17.1
not managed........
total..100.0.100.0.100.0.
ZHmanaged83.315.276.56.078.44.477.93.5
infrequently managed..21.65.820.44.320.03.3
not managed16.715.32.01.91.11.12.11.2
total100.0.100.0.100.0.100.0.
Switzerlandmanaged53.03.659.61.367.51.163.40.8
infrequently managed18.32.816.41.016.40.916.50.6
not managed28.73.324.01.116.20.820.10.6
total100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137099/123473

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGmanaged..14.11428.6842.74
infrequently managed..2.8371.6494.429
not managed..1.6490.41002.044
total..18.51230.6749.12
AImanaged..1.0542.6273.519
infrequently managed..0.31000.6691.054
not managed..0.31000.41000.771
total..1.6393.6225.212
ARmanaged..2.2332.6304.817
infrequently managed0.31001.0551.6412.927
not managed....0.31000.3100
total0.31003.2254.5188.05
BEmanaged6.52350.7769.96127.13
infrequently managed1.74513.31510.31825.311
not managed0.31008.9197.92017.114
total8.52072.9588.05169.52
BL/BSmanaged..6.1229.41615.59
infrequently managed..0.8702.8363.631
not managed..0.8700.8701.649
total..7.71913.01220.75
FRmanaged0.77015.71314.61331.07
infrequently managed0.7703.0343.4327.121
not managed0.41001.5492.6374.528
total1.94420.21020.51042.63
GEmanaged..0.51001.4481.836
infrequently managed..0.51000.8711.354
not managed........
total..0.9652.2343.120
GLmanaged1.5495.4234.62611.612
infrequently managed..1.5491.2572.736
not managed0.41001.9430.7713.034
total1.9438.9166.52117.37
GRmanaged6.62330.71055.5792.75
infrequently managed1.74510.51814.61526.811
not managed3.13322.71223.31249.17
total11.41763.8693.44168.62
JUmanaged1.2579.41813.61324.27
infrequently managed0.41001.6495.5257.420
not managed..1.5500.8702.340
total1.64912.41519.9933.93
LUmanaged2.83212.61415.81231.26
infrequently managed0.6703.5294.5268.518
not managed....0.31000.3100
total3.52916.11120.5940.03
NEmanaged..8.41717.3925.75
infrequently managed....1.5501.550
not managed..0.31000.6701.057
total..8.71719.4928.24
NWmanaged0.41003.1291.5465.019
infrequently managed..0.869..0.869
not managed..1.2550.8691.940
total0.41005.0192.3367.78
OWmanaged0.7704.9247.11912.711
infrequently managed..0.7700.7701.549
not managed0.41003.7290.7704.924
total1.1579.3158.61619.04
SGmanaged1.45018.81215.21435.47
infrequently managed..4.7275.1269.818
not managed0.41004.3284.3289.019
total1.84427.8924.61054.24
SHmanaged..2.1385.3207.514
infrequently managed0.41000.7703.9265.021
not managed..0.4100..0.4100
total0.41003.2299.31112.83
SOmanaged..9.11814.41223.57
infrequently managed..0.8704.5275.325
not managed0.41001.9440.8703.034
total0.410011.71519.7931.83
SZmanaged1.8446.9219.11717.810
infrequently managed0.7701.8442.5365.125
not managed..3.3322.2405.424
total2.53611.91413.81328.35
TGmanaged0.6707.5168.11516.17
infrequently managed..1.3503.9255.222
not managed........
total0.6708.71511.91121.33
TImanaged1.15813.21612.61626.810
infrequently managed2.53812.2166.42321.012
not managed5.02635.1929.81069.85
total8.52060.5648.77117.72
URmanaged0.7704.3264.6249.615
infrequently managed0.7711.7441.7444.127
not managed0.7702.4371.3494.326
total2.0408.4177.61718.09
VDmanaged1.94422.41246.2770.55
infrequently managed1.1585.72511.71718.613
not managed1.1584.5284.2309.819
total4.23032.6962.1598.92
VSmanaged5.82421.61227.11054.66
infrequently managed1.4505.5255.52512.416
not managed6.92218.51316.81342.27
total14.11545.6749.57109.13
ZGmanaged..1.7443.9215.69
infrequently managed..0.4100..0.4100
not managed........
total..2.1373.9216.06
ZHmanaged1.84413.81424.3939.85
infrequently managed..3.9296.32210.217
not managed0.41000.41000.41001.157
total2.14018.01231.0751.12
Switzerlandmanaged35.610286.03415.02736.61
infrequently managed12.31778.97100.66191.74
not managed19.313115.1599.46233.83
total67.27480.02615.021162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137100/123474

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilityforest management intensity (NFI1 model) %± %± %± %± %± %±
criticalmanaged58.314.281.39.868.37.352.05.115.06.953.23.6
infrequently managed33.313.66.36.122.06.513.53.529.48.818.32.8
not managed8.38.012.58.39.84.634.44.955.69.628.53.2
total100.0.100.0.100.0.100.0.100.0.100.0.
less stablemanaged77.03.282.52.467.52.853.32.320.22.859.71.3
infrequently managed13.82.613.02.119.02.417.01.818.22.716.41.0
not managed9.22.24.51.313.52.129.82.161.63.423.91.1
total100.0.100.0.100.0.100.0.100.0.100.0.
stablemanaged73.62.381.02.075.02.661.62.229.73.467.41.1
infrequently managed20.62.116.91.916.22.214.01.513.72.516.40.9
not managed5.81.22.10.78.81.724.41.956.63.716.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totalmanaged74.41.981.61.571.11.957.11.524.12.163.40.8
infrequently managed18.71.715.21.417.91.615.21.116.91.816.50.7
not managed6.91.13.20.711.01.327.61.459.02.420.10.6
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 #137101/123475

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalmanaged2.6384.62710.11817.3141.45035.910
infrequently managed1.5500.41003.2334.5282.83512.317
not managed0.41000.7711.45011.5175.32519.213
total4.4295.62514.81533.3109.51967.57
less stablemanaged48.9871.3666.7683.8614.515285.23
infrequently managed8.82011.31718.71326.71113.11678.67
not managed5.8253.93013.31646.9844.28114.25
total63.5686.4598.75157.4471.85477.92
stablemanaged97.85111.0476.86108.4519.213413.22
infrequently managed27.41123.21216.61424.6128.820100.66
not managed7.7212.8359.02043.0936.5999.06
total132.93137.13102.35176.1364.46612.82
totalmanaged149.33186.92153.53209.5335.19734.41
infrequently managed37.6934.8938.6955.8724.711191.54
not managed13.9167.42223.812101.3586.05232.43
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137102/123476

NFI4b

forest area: stand stability · altitude (200 m class) · 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 stabilityaltitude (200 m class) %± %± %± %± %± %±
criticalabove 1800 m......7.03.0..3.11.4
1601-1800 m....5.13.518.44.6..9.42.3
1401-1600 m....15.45.818.34.65.04.912.62.6
1201-1400 m8.38.0..30.87.424.05.119.48.821.53.3
1001-1200 m25.012.5..20.56.58.43.325.29.714.12.8
801-1000 m16.710.8..20.56.515.54.310.16.814.62.8
601-800 m8.38.037.512.17.74.37.03.020.29.012.02.6
to 600 m41.714.262.512.1..1.41.420.29.012.82.6
total100.0.100.0.100.0.100.0.100.0.100.0.
less stableabove 1800 m......11.41.61.10.83.70.5
1601-1800 m....3.01.114.91.86.81.96.20.7
1401-1600 m1.20.80.40.411.82.023.82.113.12.512.00.9
1201-1400 m6.41.9..21.32.514.21.815.92.812.10.9
1001-1200 m18.12.91.20.723.22.613.41.714.22.614.01.0
801-1000 m20.53.18.31.822.12.612.41.712.52.514.81.0
601-800 m27.53.434.73.115.22.28.91.415.32.718.71.1
to 600 m26.33.455.43.23.41.11.00.521.03.118.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
stableabove 1800 m....0.40.423.52.012.82.87.60.6
1601-1800 m....4.51.316.71.822.03.57.30.6
1401-1600 m2.00.71.00.511.31.919.01.915.53.09.10.7
1201-1400 m12.21.70.50.413.52.113.11.611.42.79.80.7
1001-1200 m20.12.11.80.724.12.610.61.514.93.013.30.8
801-1000 m20.72.25.71.226.72.77.71.38.52.413.50.8
601-800 m19.32.133.92.416.52.35.41.17.82.317.60.9
to 600 m25.82.357.02.53.01.04.10.97.12.221.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m....0.20.217.01.26.01.35.70.4
1601-1800 m....3.90.816.11.212.81.86.90.4
1401-1600 m1.70.60.80.311.81.421.01.413.61.910.50.5
1201-1400 m10.31.30.30.218.31.614.41.214.21.911.40.6
1001-1200 m19.61.71.60.523.41.811.71.115.12.013.60.6
801-1000 m20.51.76.51.024.11.810.31.010.71.714.10.6
601-800 m21.61.834.31.915.31.57.00.812.41.817.80.7
to 600 m26.31.956.52.03.00.72.50.515.12.019.90.6
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 #137103/123477

NFI4b

forest area: stand stability · altitude (200 m class) · 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 stabilityaltitude (200 m class)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalabove 1800 m......1.745..1.745
1601-1800 m....0.7714.528..5.226
1401-1600 m....2.2414.5280.41007.022
1201-1400 m0.4100..4.3295.9241.45011.917
1001-1200 m1.158..2.9352.1411.8457.821
801-1000 m0.771..2.9353.8300.7718.121
601-800 m0.41002.1411.1581.7451.4506.723
to 600 m1.8453.531..0.31001.4507.122
total4.4295.62514.11624.6127.02255.78
less stableabove 1800 m......15.6150.77116.314
1601-1800 m....2.93520.4134.32927.511
1401-1600 m0.7710.410011.21832.6108.22053.08
1201-1400 m4.030..20.21319.4139.91853.58
1001-1200 m11.3171.15822.01218.3138.91961.67
801-1000 m12.8167.02220.91316.9147.82165.47
601-800 m17.21429.51014.41512.1179.51982.76
to 600 m16.41447.183.2331.45013.11681.26
total62.4685.0594.85136.7462.36441.32
stableabove 1800 m....0.410036.096.42342.89
1601-1800 m....4.32925.61111.01740.99
1401-1600 m2.5381.45010.81829.1117.82151.68
1201-1400 m15.7150.77113.01620.1135.72555.18
1001-1200 m25.9112.53823.11216.3147.42175.27
801-1000 m26.7117.72125.61111.7174.32976.07
601-800 m24.81146.0815.9158.3203.93098.96
to 600 m33.21077.362.9356.2233.531123.25
total128.93135.7395.95153.3450.07563.72
totalabove 1800 m....0.410053.387.12260.87
1601-1800 m....7.92150.5815.21573.77
1401-1600 m3.3331.84524.11266.1716.314111.65
1201-1400 m20.1130.77137.5945.3817.014120.65
1001-1200 m38.393.53147.9836.7918.113144.55
801-1000 m40.2914.81549.4832.51012.816149.65
601-800 m42.3877.7631.41022.11214.815188.34
to 600 m51.57127.946.1248.02118.113211.53
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137104/123478

NFI4b

forest area: stand stability · altitude (200 m class) · 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 stabilityaltitude (200 m class) %± %± %± %± %± %± %±
criticalabove 1800 m......6.34.316.88.8..3.11.4
1601-1800 m..7.94.44.54.421.97.321.89.7..9.32.3
1401-1600 m..18.46.39.16.115.66.427.910.65.04.912.72.6
1201-1400 m3.63.534.27.732.010.018.86.916.88.819.48.821.53.3
1001-1200 m10.75.815.85.927.29.56.34.3..25.29.714.02.8
801-1000 m7.14.918.46.322.78.915.66.411.27.510.16.814.52.8
601-800 m25.08.25.33.64.54.412.55.95.65.420.29.012.12.6
to 600 m53.69.4....3.13.1..20.29.012.82.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stableabove 1800 m..1.50.8..15.83.417.43.31.10.83.70.5
1601-1800 m..6.91.62.21.322.83.915.33.16.81.96.30.7
1401-1600 m0.70.417.62.410.12.524.64.027.53.913.12.512.10.9
1201-1400 m2.70.819.52.520.23.312.33.112.22.915.92.812.10.9
1001-1200 m8.21.421.82.622.33.48.82.79.92.614.22.613.91.0
801-1000 m13.31.717.62.424.83.510.52.98.42.412.52.514.71.0
601-800 m31.72.313.82.115.02.93.51.79.22.515.32.718.81.1
to 600 m43.32.41.10.75.21.81.81.2..21.03.118.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stableabove 1800 m..1.30.8..30.74.133.23.412.82.87.60.6
1601-1800 m..9.61.95.51.814.23.119.42.922.03.57.30.6
1401-1600 m1.50.417.52.511.72.513.43.020.02.915.53.09.20.7
1201-1400 m6.10.914.02.316.52.914.23.18.92.111.42.79.70.7
1001-1200 m10.61.121.02.720.83.214.13.15.81.714.93.013.20.8
801-1000 m12.91.221.82.722.73.33.91.76.81.88.52.413.40.9
601-800 m26.91.612.22.216.52.92.41.35.31.67.82.317.60.9
to 600 m42.11.82.61.16.11.97.12.30.50.57.12.222.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m..1.30.5..21.62.526.22.46.01.35.80.4
1601-1800 m..8.11.24.01.118.72.417.92.112.81.87.00.5
1401-1600 m1.20.317.61.710.81.718.32.323.32.313.61.910.60.5
1201-1400 m4.80.618.21.719.22.113.92.110.61.714.21.911.30.6
1001-1200 m9.70.921.01.821.92.311.01.97.11.415.12.013.50.6
801-1000 m12.91.019.51.723.72.38.01.67.71.410.71.714.00.6
601-800 m28.61.312.51.415.11.94.01.26.81.412.41.817.80.7
to 600 m42.81.41.70.65.31.24.41.20.30.315.12.020.00.7
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 #137105/123479

NFI4b

forest area: stand stability · altitude (200 m class) · 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 stabilityaltitude (200 m class)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalabove 1800 m......0.7711.158..1.745
1601-1800 m..1.1580.31002.4381.450..5.226
1401-1600 m..2.5380.7711.7441.8450.41007.022
1201-1400 m0.41004.7272.4382.1411.1581.45011.917
1001-1200 m1.1582.2412.1410.771..1.8457.821
801-1000 m0.7712.5381.7441.7440.7710.7718.121
601-800 m2.5380.7710.31001.4500.41001.4506.723
to 600 m5.426....0.3100..1.4507.122
total10.01913.7167.62111.0176.3237.02255.68
less stableabove 1800 m..1.450..6.2238.0200.77116.314
1601-1800 m..6.5231.2598.9197.0224.32927.911
1401-1600 m1.15816.6145.4269.61812.7168.22053.48
1201-1400 m3.93018.41310.7174.8265.6259.91853.48
1001-1200 m12.21720.61311.8173.4314.6278.91961.37
801-1000 m19.71316.61413.1164.1283.9307.82165.27
601-800 m46.9813.0167.9201.4504.2299.51982.96
to 600 m64.071.1582.8350.771..13.11681.66
total147.7494.1552.8739.1846.0762.36442.02
stableabove 1800 m..1.158..13.41522.2126.42343.09
1601-1800 m..7.9213.1336.22313.01611.01741.29
1401-1600 m3.93014.4156.6235.82413.4167.82151.98
1201-1400 m16.11511.5179.3196.2236.0245.72554.88
1001-1200 m27.91117.31411.7166.2233.9307.42174.47
801-1000 m34.01018.01412.8161.7444.6274.32975.37
601-800 m71.2710.1189.3191.0583.5313.93099.06
to 600 m111.252.2413.4313.1330.41003.531123.85
total264.3282.6556.3643.6766.8650.07563.52
totalabove 1800 m..2.538..20.31231.2107.12261.17
1601-1800 m..15.5154.62817.51321.41215.21574.37
1401-1600 m5.02733.51012.61617.11327.81016.314112.45
1201-1400 m20.41334.6922.41113.01512.71617.014120.15
1001-1200 m41.1940.0925.61110.3188.42018.113143.55
801-1000 m54.4837.1927.6107.5219.11912.816148.55
601-800 m120.5523.81217.6133.8308.12014.815188.64
to 600 m180.633.2336.2234.1280.410018.113212.63
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137106/123480
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