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NFI4b

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration %± %± %± %± %± %±
upper subalpineless than 1%....100.0.11.17.4..11.66.3
1-4%......33.311.171.417.142.49.7
5-9%......27.810.614.313.223.08.2
10-25%......27.810.6..19.17.7
26-50%........14.313.23.93.8
51-75%............
76-100%............
total....100.0.100.0.100.0.100.0.
lower subalpineless than 1%....12.511.710.33.513.38.810.73.1
1-4%....12.511.721.84.719.910.320.34.0
5-9%50.335.4..50.017.721.84.713.38.823.44.2
10-25%49.735.4..12.511.732.05.333.212.231.04.6
26-50%....12.511.714.13.913.68.913.63.4
51-75%............
76-100%........6.66.41.01.0
total100.0...100.0.100.0.100.0.100.0.
upper montaneless than 1%....10.57.017.14.35.95.713.53.1
1-4%16.715.2..26.310.117.14.323.710.319.63.7
5-9%33.319.3..5.35.117.14.329.311.017.83.5
10-25%16.715.2..36.811.125.05.029.311.027.24.1
26-50%....15.88.414.54.011.77.813.53.1
51-75%33.319.3....6.62.8..5.92.2
76-100%....5.35.12.61.8..2.51.5
total100.0...100.0.100.0.100.0.100.0.
lower montaneless than 1%......15.410.0..8.15.5
1-4%......7.77.4..4.14.0
5-9%40.021.9..33.319.37.77.4..21.28.4
10-25%20.017.9..16.715.261.513.5..41.110.0
26-50%20.017.9..16.715.2....8.65.8
51-75%....16.715.2....4.34.2
76-100%20.017.9..16.715.27.77.4..12.66.8
total100.0...100.0.100.0...100.0.
colline/submontaneless than 1%............
1-4%....50.235.4....33.927.4
5-9%............
10-25%....49.835.4....33.627.3
26-50%......100.0...32.526.9
51-75%............
76-100%............
total....100.0.100.0...100.0.
totalless than 1%....11.15.213.52.57.74.311.61.9
1-4%7.77.4..19.46.619.92.930.87.420.82.5
5-9%38.513.5..19.46.619.42.920.56.520.52.4
10-25%23.011.7..27.87.530.63.425.67.029.12.7
26-50%7.77.4..13.95.812.42.412.95.412.42.0
51-75%15.410.0..2.82.72.71.2..2.91.0
76-100%7.77.4..5.63.81.60.92.62.52.61.0
total100.0...100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170175/156558

NFI3

forest area: altitudinal vegetation zone · production region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine....0.75028.0811.11239.86
lower subalpine0.750..24.5888.5424.48138.13
upper montane7.8150.75050.5576.2440.66175.93
lower montane18.697.51531.5732.3721.29111.14
colline/submontane11.11213.41111.31215.51034.7686.04
total38.3621.69118.63240.42132.02550.91

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170176/156559

NFI4b

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpineless than 1%....0.41000.771..1.158
1-4%......2.1411.8453.830
5-9%......1.7450.41002.141
10-25%......1.745..1.745
26-50%........0.41000.4100
51-75%............
76-100%............
total....0.41006.2232.5389.119
lower subalpineless than 1%....0.41002.8350.7713.930
1-4%....0.41005.9241.1587.322
5-9%0.4100..1.4505.9240.7718.420
10-25%0.4100..0.41008.6201.84511.118
26-50%....0.41003.8300.7714.927
51-75%............
76-100%........0.41000.4100
total0.771..2.93527.0115.32535.910
upper montaneless than 1%....0.7714.5280.41005.625
1-4%0.4100..1.8454.5281.4508.121
5-9%0.771..0.41004.5281.8457.422
10-25%0.4100..2.5386.6231.84511.218
26-50%....1.1583.8300.7715.625
51-75%0.771....1.745..2.538
76-100%....0.41000.771..1.158
total2.241..6.82326.3116.02441.39
lower montaneless than 1%......0.771..0.771
1-4%......0.3100..0.3100
5-9%0.771..0.7710.3100..1.845
10-25%0.4100..0.41002.835..3.532
26-50%0.4100..0.4100....0.771
51-75%....0.4100....0.4100
76-100%0.4100..0.41000.3100..1.158
total1.845..2.2414.528..8.520
colline/submontaneless than 1%............
1-4%....0.4100....0.4100
5-9%............
10-25%....0.4100....0.4100
26-50%......0.3100..0.3100
51-75%............
76-100%............
total....0.7710.3100..1.158
totalless than 1%....1.4508.7201.15811.218
1-4%0.4100..2.53812.8164.32919.913
5-9%1.845..2.53812.5162.83519.613
10-25%1.158..3.63119.7133.53127.911
26-50%0.4100..1.8457.9211.84511.917
51-75%0.771..0.41001.745..2.835
76-100%0.4100..0.7711.0580.41002.538
total4.727..13.01664.3713.81595.96

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170177/156560

NFI3

forest area: altitudinal vegetation zone · protection forest region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %± %±
upper subalpine..1.10.40.70.416.21.716.61.78.41.07.20.5
lower subalpine1.20.630.41.817.91.840.32.337.82.218.51.425.20.8
upper montane14.21.942.21.939.72.324.62.031.82.130.81.732.00.8
lower montane43.52.719.71.630.02.210.31.410.41.416.01.320.10.7
colline/submontane41.12.76.61.011.71.58.61.33.30.826.31.615.60.6
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, 03.11.2014 #170178/156561

NFI4b

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration %± %± %± %± %± %± %±
upper subalpineless than 1%..100.0...10.09.512.511.7..11.66.3
1-4%......50.015.812.511.771.417.142.39.7
5-9%......30.014.525.015.314.313.223.08.2
10-25%......10.09.550.017.7..19.37.7
26-50%..........14.313.23.93.8
51-75%..............
76-100%..............
total..100.0...100.0.100.0.100.0.100.0.
lower subalpineless than 1%....15.310.07.54.122.29.813.38.810.73.0
1-4%..14.39.47.77.434.17.45.65.419.910.320.23.9
5-9%49.735.450.013.423.411.814.65.527.810.613.38.823.54.2
10-25%50.335.428.612.130.712.836.57.516.78.833.212.231.04.6
26-50%..7.16.923.011.77.34.127.810.613.68.913.63.4
51-75%..............
76-100%..........6.66.41.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montaneless than 1%..8.14.533.311.14.84.726.310.15.95.713.53.1
1-4%16.715.218.96.411.17.423.89.321.19.423.710.319.53.7
5-9%33.319.313.55.616.78.828.69.9..29.311.017.73.5
10-25%16.715.237.88.016.78.828.69.915.88.429.311.027.24.1
26-50%..13.55.616.78.89.56.421.19.411.77.813.53.2
51-75%33.319.32.72.75.65.44.84.710.57.0..5.92.2
76-100%..5.43.7....5.35.1..2.61.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneless than 1%..25.021.710.09.5......8.45.7
1-4%....10.09.5......4.14.0
5-9%40.021.925.021.710.09.5..20.017.9..21.08.3
10-25%20.017.925.021.740.015.5..80.017.9..41.510.1
26-50%20.017.9..10.09.5......8.35.6
51-75%..25.021.7........4.34.2
76-100%20.017.9..20.012.7......12.46.7
total100.0.100.0.100.0...100.0...100.0.
colline/submontaneless than 1%..............
1-4%..49.935.4........33.927.4
5-9%..............
10-25%..50.135.4........33.927.5
26-50%......100.0.....32.226.7
51-75%..............
76-100%..............
total..100.0...100.0.....100.0.
totalless than 1%..8.63.721.96.56.93.020.05.77.74.311.71.9
1-4%7.77.417.25.09.74.632.85.512.04.630.87.420.72.4
5-9%38.413.522.45.517.25.920.54.716.05.220.56.520.52.4
10-25%23.211.734.56.226.86.930.15.428.06.425.67.029.22.7
26-50%7.77.410.34.017.15.98.23.218.05.412.95.412.42.0
51-75%15.410.03.42.42.42.41.41.44.02.8..2.91.0
76-100%7.77.43.42.44.93.4..2.02.02.62.52.61.0
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, 03.11.2014 #170179/156562

NFI3

forest area: altitudinal vegetation zone · protection forest region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine..1.3380.55812.81113.91111.11239.66
lower subalpine0.75035.8714.01131.9631.8724.48138.63
upper montane8.51449.7531.1719.4926.8740.66176.03
lower montane26.0823.1823.588.2148.81421.29110.74
colline/submontane24.587.8159.2136.8152.82534.7685.84
total59.75117.6378.3379.1384.13132.02550.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170180/156563

NFI4b

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpineless than 1%..0.4100..0.31000.4100..1.158
1-4%......1.7440.41001.8453.830
5-9%......1.0580.7710.41002.141
10-25%......0.31001.450..1.745
26-50%..........0.41000.4100
51-75%..............
76-100%..............
total..0.4100..3.4312.8352.5389.119
lower subalpineless than 1%....0.7711.0581.4500.7713.930
1-4%..0.7710.31004.8260.41001.1587.322
5-9%0.41002.5381.1582.1411.8450.7718.520
10-25%0.41001.4501.4505.1251.1581.84511.218
26-50%..0.41001.0581.0581.8450.7714.927
51-75%..............
76-100%..........0.41000.4100
total0.7715.0264.52714.1156.3235.32536.010
upper montaneless than 1%..1.1582.1410.31001.8450.41005.625
1-4%0.41002.5380.7711.7441.4501.4508.121
5-9%0.7711.8451.0582.141..1.8457.422
10-25%0.41005.0261.0582.1411.1581.84511.318
26-50%..1.8451.0580.7711.4500.7715.625
51-75%0.7710.41000.31000.31000.771..2.538
76-100%..0.771....0.4100..1.158
total2.14113.3166.2237.2216.7226.02441.69
lower montaneless than 1%..0.41000.3100......0.771
1-4%....0.3100......0.3100
5-9%0.7710.41000.3100..0.4100..1.845
10-25%0.41000.41001.450..1.450..3.532
26-50%0.4100..0.3100......0.771
51-75%..0.4100........0.4100
76-100%0.4100..0.771......1.058
total1.8451.4503.431..1.845..8.420
colline/submontaneless than 1%..............
1-4%..0.4100........0.4100
5-9%..............
10-25%..0.4100........0.4100
26-50%......0.3100....0.3100
51-75%..............
76-100%..............
total..0.771..0.3100....1.158
totalless than 1%..1.8453.1331.7453.5311.15811.218
1-4%0.41003.6311.4508.2202.1414.32919.913
5-9%1.8454.7272.4385.1252.8352.83519.713
10-25%1.1587.2223.8307.5214.9263.53128.111
26-50%0.41002.2412.4382.1413.2331.84511.917
51-75%0.7710.7710.31000.31000.771..2.835
76-100%0.41000.7710.771..0.41000.41002.538
total4.72820.91314.21525.01117.61313.81596.26

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170181/156564

NFI4b

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover of assured regeneration %± %± %± %± %± %±
Western Juraless than 1%............
1-4%....16.715.2....7.77.4
5-9%..49.035.333.319.340.021.9..38.313.5
10-25%..51.035.316.715.220.017.9..23.311.8
26-50%......20.017.9..7.77.4
51-75%....33.319.3....15.310.0
76-100%......20.017.9..7.77.4
total..100.0.100.0.100.0...100.0.
Eastern Juraless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Eastern Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alpsless than 1%............
1-4%....28.617.1..51.235.333.515.8
5-9%....14.313.3....11.210.6
10-25%....28.617.1..48.835.333.015.7
26-50%....14.313.3....11.210.6
51-75%............
76-100%....14.313.3....11.210.6
total....100.0...100.0.100.0.
Central Pre-Alpsless than 1%100.0.........5.35.1
1-4%....33.315.7....15.88.4
5-9%..66.719.3..33.327.3..26.310.1
10-25%..16.715.255.616.633.327.3..36.811.1
26-50%..16.715.211.110.5....10.57.1
51-75%......33.327.3..5.35.1
76-100%............
total100.0.100.0.100.0.100.0...100.0.
Eastern Pre-Alpsless than 1%..50.035.466.727.3....37.517.1
1-4%..50.035.4......12.511.7
5-9%......33.327.3..12.511.7
10-25%............
26-50%....33.327.333.327.3..25.015.3
51-75%............
76-100%......33.327.3..12.511.7
total..100.0.100.0.100.0...100.0.
Northwestern Alpsless than 1%....14.37.7100.0...13.36.2
1-4%..25.015.39.56.4....13.36.2
5-9%..37.517.219.08.6....23.37.7
10-25%..37.517.233.310.3....33.38.6
26-50%....14.37.7....10.05.5
51-75%....4.84.7....3.33.3
76-100%....4.84.7....3.33.3
total..100.0.100.0.100.0...100.0.
Central Alpsless than 1%....25.015.4....13.38.8
1-4%....12.511.7100.0...13.38.8
5-9%..33.319.3......13.38.8
10-25%..33.319.325.015.4....26.711.5
26-50%..33.319.325.015.4....26.711.5
51-75%....12.511.7....6.76.5
76-100%............
total..100.0.100.0.100.0...100.0.
Northeastern Alpsless than 1%..19.917.928.617.116.715.3..22.29.8
1-4%....14.313.3....5.65.4
5-9%..20.218.042.918.8....22.39.8
10-25%..39.922.014.313.366.719.3..38.911.5
26-50%..19.917.9......5.65.4
51-75%............
76-100%......16.715.3..5.65.4
total..100.0.100.0.100.0...100.0.
Southwestern Alpsless than 1%10.09.57.54.14.84.7....6.93.0
1-4%50.015.834.17.423.89.3....32.85.5
5-9%30.014.514.65.528.69.9....20.54.7
10-25%10.09.536.57.528.69.9....30.15.4
26-50%..7.34.19.56.4..100.0.8.23.2
51-75%....4.84.7....1.41.4
76-100%............
total100.0.100.0.100.0...100.0.100.0.
Southeastern Alpsless than 1%12.511.722.29.826.310.1....20.05.7
1-4%12.511.75.65.421.19.4....12.04.6
5-9%25.015.327.810.6..20.017.9..16.05.2
10-25%50.017.716.78.815.88.480.017.9..28.06.4
26-50%..27.810.621.19.4....18.05.4
51-75%....10.57.0....4.02.8
76-100%....5.35.1....2.02.0
total100.0.100.0.100.0.100.0...100.0.
Southern Alpsless than 1%..13.38.85.95.7....7.74.3
1-4%71.417.119.910.323.710.3....30.87.4
5-9%14.313.213.38.829.311.0....20.56.5
10-25%..33.212.229.311.0....25.67.0
26-50%14.313.213.68.911.77.8....12.95.4
51-75%............
76-100%..6.66.4......2.62.5
total100.0.100.0.100.0.....100.0.
Switzerlandless than 1%11.66.310.83.113.53.18.45.7..11.71.9
1-4%42.39.720.23.919.53.74.03.934.827.820.72.4
5-9%23.08.223.44.217.83.520.98.3..20.42.4
10-25%19.37.731.04.627.14.141.610.033.127.129.22.7
26-50%3.93.813.63.413.53.28.45.732.126.712.42.0
51-75%....5.92.24.24.1..2.91.0
76-100%..1.01.02.61.512.66.8..2.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170182/156565

NFI3

forest area: altitudinal vegetation zone · economic region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region %± %± %± %± %± %±
Western Jura..2.21.123.83.250.83.723.23.1100.0.
Eastern Jura......34.58.865.58.8100.0.
Western Plateau....3.73.644.39.651.99.6100.0.
Central Plateau....3.42.437.36.359.36.4100.0.
Eastern Plateau....2.92.822.97.174.37.4100.0.
Western Pre-Alps1.30.930.53.750.74.011.12.56.52.0100.0.
Central Pre-Alps0.70.522.42.539.12.930.22.77.51.6100.0.
Eastern Pre-Alps..11.92.241.43.332.63.114.12.3100.0.
Northwestern Alps1.40.840.73.340.33.312.02.25.61.6100.0.
Central Alps2.21.625.54.637.85.121.14.313.43.6100.0.
Northeastern Alps0.80.721.93.638.34.232.34.16.82.2100.0.
Southwestern Alps16.21.740.32.324.62.010.31.48.61.3100.0.
Southeastern Alps16.61.737.82.231.82.110.41.43.30.8100.0.
Southern Alps8.41.018.51.430.81.716.01.326.31.6100.0.
Switzerland7.20.525.10.832.00.820.10.715.60.6100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #170183/156566

NFI4b

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%............
1-4%....0.4100....0.4100
5-9%..0.41000.7710.771..1.845
10-25%..0.41000.41000.4100..1.158
26-50%......0.4100..0.4100
51-75%....0.771....0.771
76-100%......0.4100..0.4100
total..0.7712.1411.845..4.627
Eastern Juraless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Eastern Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alpsless than 1%............
1-4%....0.770..0.41001.157
5-9%....0.4100....0.4100
10-25%....0.770..0.41001.158
26-50%....0.4100....0.4100
51-75%............
76-100%....0.4100....0.4100
total....2.637..0.7713.333
Central Pre-Alpsless than 1%0.4100........0.4100
1-4%....1.158....1.158
5-9%..1.450..0.4100..1.844
10-25%..0.41001.8440.4100..2.537
26-50%..0.41000.4100....0.771
51-75%......0.4100..0.4100
76-100%............
total0.41002.2403.2331.158..6.822
Eastern Pre-Alpsless than 1%..0.41000.771....1.157
1-4%..0.4100......0.4100
5-9%......0.4100..0.4100
10-25%............
26-50%....0.41000.4100..0.771
51-75%............
76-100%......0.4100..0.4100
total..0.7711.1571.157..2.935
Northwestern Alpsless than 1%....1.1570.4100..1.450
1-4%..0.7710.771....1.450
5-9%..1.1571.450....2.537
10-25%..1.1572.537....3.631
26-50%....1.157....1.157
51-75%....0.4100....0.4100
76-100%....0.4100....0.4100
total..2.9357.5210.4100..10.717
Central Alpsless than 1%....0.770....0.770
1-4%....0.31000.3100..0.770
5-9%..0.770......0.770
10-25%..0.7700.770....1.449
26-50%..0.7700.770....1.449
51-75%....0.3100....0.3100
76-100%............
total..2.1402.7340.3100..5.224
Northeastern Alpsless than 1%..0.41000.7700.4100..1.449
1-4%....0.4100....0.4100
5-9%..0.41001.157....1.450
10-25%..0.7700.41001.449..2.537
26-50%..0.4100......0.4100
51-75%............
76-100%......0.4100..0.4100
total..1.8442.5372.140..6.422
Southwestern Alpsless than 1%0.31001.0580.3100....1.745
1-4%1.7444.8261.744....8.220
5-9%1.0582.1412.141....5.125
10-25%0.31005.1252.141....7.521
26-50%..1.0580.771..0.31002.141
51-75%....0.3100....0.3100
76-100%............
total3.43114.1157.221..0.310025.011
Southeastern Alpsless than 1%0.41001.4501.845....3.531
1-4%0.41000.41001.450....2.141
5-9%0.7711.845..0.4100..2.835
10-25%1.4501.1581.1581.450..4.926
26-50%..1.8451.450....3.233
51-75%....0.771....0.771
76-100%....0.4100....0.4100
total2.8356.3236.7221.845..17.613
Southern Alpsless than 1%..0.7710.4100....1.158
1-4%1.8451.1581.450....4.329
5-9%0.41000.7711.845....2.835
10-25%..1.8451.845....3.531
26-50%0.41000.7710.771....1.845
51-75%............
76-100%..0.4100......0.4100
total2.5385.3256.024....13.815
Switzerlandless than 1%1.1583.9305.6250.771..11.318
1-4%3.8307.3228.1210.31000.410020.013
5-9%2.1418.4207.4221.845..19.713
10-25%1.74511.21711.3183.6310.410028.111
26-50%0.41004.9275.6250.7710.310012.017
51-75%....2.5380.4100..2.835
76-100%..0.41001.1581.158..2.538
total9.11936.01041.798.5201.15896.46

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170184/156567

NFI3

forest area: altitudinal vegetation zone · economic region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura..0.7507.71516.5107.51532.47
Eastern Jura......1.9313.7225.618
Western Plateau....0.21002.2282.6265.018
Central Plateau....0.3713.7215.9169.912
Eastern Plateau....0.21001.5354.7196.316
Western Pre-Alps0.4718.61314.3103.1241.83128.36
Central Pre-Alps0.47111.31219.8915.3103.82150.55
Eastern Pre-Alps..4.71916.5913.0115.61739.95
Northwestern Alps0.55815.8915.7104.7192.22838.95
Central Alps0.4714.3206.4163.6222.32817.08
Northeastern Alps0.21005.0188.6127.3141.53322.66
Southwestern Alps12.81131.9619.498.2146.81579.13
Southeastern Alps13.91131.8726.878.8142.82584.13
Southern Alps11.11224.4840.6621.2934.76132.02
Switzerland39.66138.63176.53110.9486.04551.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170185/156568

NFI4b

forest area: slope (20% classes) · altitude (400 m classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m..............
1401-1800 m..............
1001-1400 m..............
601-1000 m..............
to 600 m..............
total..............
21-40 %above 1800 m....0.41005.81454.2822.832013.3200
1401-1800 m0.4100..8.515911.3917.41237.813635.456
1001-1400 m2.9191..22.3704.11762.51073.210835.0128
601-1000 m1.4158..3.9158......5.3140
to 600 m..............
total4.7163..35.15521.26914.18713.919189.192
over 100%above 1800 m..............
1401-1800 m....1.1581.0580.41000.41002.835
1001-1400 m....2.1411.0580.41000.41003.930
601-1000 m....0.771......0.771
to 600 m..............
total....3.9302.1410.7710.7717.422
totalabove 1800 m....0.41005.8244.2282.83513.316
1401-1800 m0.4100..9.61912.3167.8218.22038.29
1001-1400 m2.935..24.5125.1252.8353.63138.99
601-1000 m1.450..4.628......6.124
to 600 m..............
total4.727..39.0923.31114.81514.61596.46

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170186/156569

NFI3

forest area: slope (20% classes) · biogeographical region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %± %±
to 20%3.71.315.32.84.70.60.50.31.60.61.70.53.50.3
21-40 %94.010.384.110.989.34.893.27.893.38.084.75.789.22.9
over 100%2.31.00.60.66.00.76.31.25.21.113.61.27.20.5
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, 03.11.2014 #170187/156570

NFI4b

forest area: slope (20% classes) · altitude (400 m classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
slope (20% classes)
to 20%21-40 %over 100%total
cantonaltitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
AIabove 1800 m........
1401-1800 m........
1001-1400 m..0.62000.31001.054
601-1000 m........
to 600 m........
total..0.62000.31001.054
ARabove 1800 m........
1401-1800 m........
1001-1400 m..0.3100..0.3100
601-1000 m........
to 600 m........
total..0.3100..0.3100
BEabove 1800 m..0.3100..0.3100
1401-1800 m..3.12020.31003.431
1001-1400 m..8.5211..8.520
601-1000 m..2.1228..2.141
to 600 m........
total..14.11860.310014.415
BL/BSabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
FRabove 1800 m........
1401-1800 m........
1001-1400 m..1.1170..1.157
601-1000 m........
to 600 m........
total..1.1170..1.157
GEabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
GLabove 1800 m........
1401-1800 m..1.9149..1.944
1001-1400 m..1.257..1.257
601-1000 m..0.82000.41001.257
to 600 m........
total..3.8870.41004.228
GRabove 1800 m..5.273..5.225
1401-1800 m..9.81170.310010.118
1001-1400 m..5.61460.7716.323
601-1000 m........
to 600 m........
total..20.6731.05821.612
JUabove 1800 m........
1401-1800 m........
1001-1400 m..0.8200..0.870
601-1000 m........
to 600 m........
total..0.8200..0.870
LUabove 1800 m........
1401-1800 m........
1001-1400 m..0.6200..0.670
601-1000 m........
to 600 m........
total..0.6200..0.670
NEabove 1800 m........
1401-1800 m........
1001-1400 m..0.3100..0.3100
601-1000 m..0.6200..0.670
to 600 m........
total..1.0170..1.057
NWabove 1800 m........
1401-1800 m....0.41000.4100
1001-1400 m..0.4100..0.4100
601-1000 m..0.4100..0.4100
to 600 m........
total..0.8690.41001.255
OWabove 1800 m........
1401-1800 m..0.41000.41000.770
1001-1400 m..0.770..0.770
601-1000 m..0.4100..0.4100
to 600 m........
total..1.51570.41001.943
SGabove 1800 m........
1401-1800 m........
1001-1400 m..2.22500.41002.537
601-1000 m..1.1300..1.157
to 600 m........
total..3.31850.41003.631
SHabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
SOabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
SZabove 1800 m........
1401-1800 m........
1001-1400 m..1.81270.41002.240
601-1000 m........
to 600 m........
total..1.81270.41002.240
TGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
TIabove 1800 m..1.8371..1.844
1401-1800 m..5.71460.41006.124
1001-1400 m..1.41580.41001.844
601-1000 m........
to 600 m........
total..9.02130.7719.719
URabove 1800 m........
1401-1800 m..1.3140..1.349
1001-1400 m..1.31570.31001.744
601-1000 m....0.31000.3100
to 600 m........
total..2.61000.7703.330
VDabove 1800 m........
1401-1800 m..1.1171..1.158
1001-1400 m..2.71070.41003.035
601-1000 m........
to 600 m........
total..3.81940.41004.230
VSabove 1800 m..5.8145..5.824
1401-1800 m..12.0901.05813.015
1001-1400 m..5.11591.0586.223
601-1000 m........
to 600 m........
total..23.0672.14125.011
ZGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
ZHabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Switzerlandabove 1800 m..13.2200..13.216
1401-1800 m..35.3562.83538.29
1001-1400 m..34.81293.83038.69
601-1000 m..5.31400.7716.024
to 600 m........
total..88.7937.42296.16

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170188/156571

NFI3

forest area: slope (20% classes) · biogeographical region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%1.4354.6199.8130.3711.1412.32819.69
21-40 %37.17525.694186.82565.94363.246114.032492.615
over 100%0.9450.210012.5124.4193.52218.3939.86
total39.5630.47209.1270.7367.84134.62552.01

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170189/156572

NFI4b

forest area: slope (20% classes) · altitude (400 m classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m............
1401-1800 m............
1001-1400 m............
601-1000 m............
to 600 m............
total............
21-40 %above 1800 m....0.410010.01162.832013.2200
1401-1800 m0.4100..1.117126.6627.113835.256
1001-1400 m2.9191..7.212421.4723.210834.8128
601-1000 m1.5158..2.21211.7128..5.3140
to 600 m............
total4.7163..10.810159.84213.119288.592
over 100%above 1800 m............
1401-1800 m....1.1581.4500.41002.835
1001-1400 m....1.1582.4380.41003.930
601-1000 m......0.771..0.771
to 600 m............
total....2.2414.5280.7717.422
totalabove 1800 m....0.410010.0182.83513.216
1401-1800 m0.4100..2.24128.0117.52138.09
1001-1400 m2.935..8.32023.8123.63138.69
601-1000 m1.550..2.2412.438..6.024
to 600 m............
total4.727..13.01664.3713.81595.96

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170190/156573

NFI3

forest area: slope (20% classes) · canton
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
slope (20% classes)
to 20%21-40 %over 100%total
canton %± %± %± %±
AG..100.054.8..100.0.
AI5.04.990.034.95.04.9100.0.
AR5.65.494.429.3..100.0.
BE5.81.190.87.43.30.8100.0.
BL/BS9.56.485.728.74.84.7100.0.
FR9.03.089.915.51.11.1100.0.
GE........
GL1.61.683.618.414.74.5100.0.
GR1.80.590.86.47.41.1100.0.
JU3.22.295.218.61.61.6100.0.
LU7.14.090.524.12.42.4100.0.
NE3.83.888.526.57.75.2100.0.
NW4.44.383.031.012.66.9100.0.
OW9.34.083.320.97.43.6100.0.
SG7.11.885.811.47.11.8100.0.
SH..100.0...100.0.
SO11.17.488.938.6..100.0.
SZ4.82.488.017.47.22.8100.0.
TG6.36.193.824.5..100.0.
TI1.60.584.96.413.41.4100.0.
UR1.51.588.817.69.73.8100.0.
VD8.02.488.014.44.01.7100.0.
VS0.60.493.37.46.01.1100.0.
ZG6.76.593.330.6..100.0.
ZH..100.048.4..100.0.
Switzerland3.50.389.22.97.20.5100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #170191/156574

NFI4b

forest area: slope (20% classes) · altitude (400 m classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m..............
1401-1800 m..............
1001-1400 m..............
601-1000 m..............
to 600 m..............
total..............
21-40 %above 1800 m..0.4100..5.81454.2822.832013.3200
1401-1800 m0.41004.31873.19812.0908.41207.113835.356
1001-1400 m2.919112.6907.21705.11593.91903.210834.9128
601-1000 m1.41582.22281.7241......5.3140
to 600 m..............
total4.716419.57312.112023.06716.58013.119288.893
over 100%above 1800 m..............
1401-1800 m..1.158..1.0580.41000.41002.835
1001-1400 m..0.41001.4501.0580.7710.41003.830
601-1000 m....0.771......0.771
to 600 m..............
total..1.4502.1412.1411.1580.7717.322
totalabove 1800 m..0.4100..5.8244.2282.83513.316
1401-1800 m0.41005.4263.13313.0158.8197.52138.29
1001-1400 m2.93513.0168.6196.2234.6273.63138.89
601-1000 m1.4502.2412.438......6.024
to 600 m..............
total4.72820.91314.21525.01117.61313.81596.26

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170192/156575

NFI3

forest area: slope (20% classes) · canton
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
slope (20% classes)
to 20%21-40 %over 100%total
canton1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG..1.7291..1.733
AI0.21002.72030.21003.016
AR0.21002.8140..2.919
BE5.01977.5402.82585.34
BL/BS0.4703.61250.21004.220
FR1.53514.61200.210016.39
GE........
GL0.21008.81471.53210.510
GR1.93098.2368.015108.13
JU0.47110.51430.210011.011
LU0.5586.51560.21007.114
NE0.21004.11080.4704.718
NW0.21003.72110.6574.516
OW0.9448.11340.7499.710
SG2.52629.6612.52634.55
SH..0.657..0.657
SO0.3712.8205..3.123
SZ0.75013.4991.14015.28
TG0.21002.572..2.724
TI1.83191.83514.511108.12
UR0.210010.31761.14011.610
VD1.83119.9790.94522.78
VS0.55873.8414.81979.13
ZG0.21002.5177..2.620
ZH..1.5191..1.535
Switzerland19.59491.51539.86550.91

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170193/156576

NFI4b

forest area: slope (20% classes) · altitude (400 m classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
slope (20% classes)
to 20%21-40 %over 100%total
economic regionaltitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraabove 1800 m........
1401-1800 m..0.4100..0.4100
1001-1400 m..2.9191..2.935
601-1000 m..1.4158..1.450
to 600 m........
total..4.6163..4.627
Eastern Juraabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Western Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Central Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Eastern Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Western Pre-Alpsabove 1800 m........
1401-1800 m..0.4100..0.4100
1001-1400 m..2.22280.41002.637
601-1000 m..0.4100..0.4100
to 600 m........
total..2.92070.41003.333
Central Pre-Alpsabove 1800 m..0.4100..0.4100
1401-1800 m..0.7711.1581.844
1001-1400 m..3.2211..3.233
601-1000 m..1.4141..1.450
to 600 m........
total..5.71581.1586.822
Eastern Pre-Alpsabove 1800 m........
1401-1800 m........
1001-1400 m..1.81500.7712.537
601-1000 m..0.4100..0.4100
to 600 m........
total..2.12500.7712.935
Northwestern Alpsabove 1800 m........
1401-1800 m..3.2202..3.233
1001-1400 m..7.1121..7.121
601-1000 m..0.4100..0.4100
to 600 m........
total..10.797..10.717
Central Alpsabove 1800 m........
1401-1800 m..1.4141..1.449
1001-1400 m..3.1970.31003.430
601-1000 m....0.31000.3100
to 600 m........
total..4.5780.7705.224
Northeastern Alpsabove 1800 m........
1401-1800 m..1.8150..1.844
1001-1400 m..2.52440.41002.934
601-1000 m..1.41410.41001.844
to 600 m........
total..5.71710.7706.422
Southwestern Alpsabove 1800 m..5.8145..5.824
1401-1800 m..12.0901.05813.015
1001-1400 m..5.11591.0586.223
601-1000 m........
to 600 m........
total..23.0672.14125.011
Southeastern Alpsabove 1800 m..4.282..4.228
1401-1800 m..8.41200.41008.819
1001-1400 m..3.91900.7714.627
601-1000 m........
to 600 m........
total..16.5801.15817.613
Southern Alpsabove 1800 m..2.8320..2.835
1401-1800 m..7.11380.41007.521
1001-1400 m..3.21080.41003.631
601-1000 m........
to 600 m........
total..13.11920.77113.815
Switzerlandabove 1800 m..13.3200..13.316
1401-1800 m..35.4562.83538.29
1001-1400 m..35.01283.93038.99
601-1000 m..5.41400.7716.124
to 600 m........
total..89.0927.42296.46

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170194/156577

NFI3

forest area: slope (20% classes) · production region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %±
to 20%3.81.319.03.67.11.01.40.31.70.53.60.3
21-40 %93.810.581.012.889.36.191.84.384.55.789.22.9
over 100%2.41.1..3.60.76.80.713.81.37.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170195/156578

NFI4b

forest area: stand stability · regeneration cover · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover %± %± %± %± %± %± %±
critical< 1%......1.51.57.14.0..1.50.7
1-9%....3.61.85.92.92.42.44.93.44.01.2
10-25%....0.90.92.92.02.42.4..1.40.7
26-50%....0.90.91.51.52.42.4..1.10.6
51-75%..............
76-100%......1.51.5....0.40.4
total....5.52.213.24.114.35.44.93.48.31.7
less stable< 1%....6.42.34.42.52.42.42.42.44.41.2
1-9%15.410.0..18.23.722.05.019.06.117.05.918.92.4
10-25%....20.03.814.74.39.54.512.25.115.02.2
26-50%....3.61.85.92.94.83.39.84.75.11.3
51-75%....1.81.3..4.83.3..1.50.7
76-100%7.77.4..0.90.9....2.42.41.10.6
total23.011.7..50.94.847.06.140.57.643.97.845.93.0
stable< 1%....3.61.8..4.83.32.42.42.61.0
1-9%23.011.7..11.83.119.24.89.54.526.96.916.12.2
10-25%23.211.7..12.73.216.24.519.06.112.25.114.92.2
26-50%7.77.4..6.42.34.42.57.14.09.74.66.61.5
51-75%7.77.4..4.52.0..4.83.3..2.91.0
76-100%15.410.0..4.52.0......2.61.0
total77.011.7..43.64.739.85.945.27.751.27.845.73.0
total< 1%....10.02.95.92.914.35.44.93.48.41.7
1-9%38.413.5..33.64.547.16.131.07.148.87.839.02.9
10-25%23.211.7..33.64.533.85.731.07.124.36.731.32.8
26-50%7.77.4..10.93.011.83.914.35.419.66.212.82.0
51-75%7.77.4..6.42.3..9.54.5..4.41.2
76-100%23.011.7..5.52.21.51.5..2.42.44.01.2
total100.0...100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170196/156579

NFI4b

forest area: stand stability · regeneration cover · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%......0.31001.158..1.450
1-9%....1.4501.4500.41000.7713.930
10-25%....0.41000.7710.4100..1.450
26-50%....0.41000.31000.4100..1.058
51-75%..............
76-100%......0.3100....0.3100
total....2.1413.1332.1410.7718.021
less stable< 1%....2.5381.0580.41000.41004.229
1-9%0.771..7.1225.1252.8352.53818.314
10-25%....7.8213.4311.4501.84514.415
26-50%....1.4501.4500.7711.4504.927
51-75%....0.771..0.771..1.450
76-100%0.4100..0.4100....0.41001.158
total1.158..19.91310.9176.0246.42344.39
stable< 1%....1.450..0.7710.41002.538
1-9%1.158..4.6284.5271.4503.93015.515
10-25%1.158..5.0273.8302.8351.84514.415
26-50%0.4100..2.5381.0581.1581.4506.424
51-75%0.4100..1.845..0.771..2.835
76-100%0.771..1.845......2.538
total3.631..17.0149.3196.7227.52144.19
total< 1%....3.9301.4502.1410.7718.121
1-9%1.845..13.11611.0174.6277.12237.69
10-25%1.158..13.1167.9204.6273.63130.211
26-50%0.4100..4.3292.7352.1412.93512.317
51-75%0.4100..2.538..1.450..4.329
76-100%1.158..2.1410.3100..0.41003.930
total4.727..39.0923.31114.81514.61596.46

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170197/156580

NFI3

forest area: slope (20% classes) · production region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%1.5354.1218.4143.3232.32819.69
21-40 %36.07617.5127105.936220.823111.532491.615
over 100%0.945..4.32016.31018.1939.76
total38.3621.69118.63240.42132.02550.91

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170198/156581
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