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NFI1

forest area: degree of mixture · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
degree of mixture
n/apure conifer forestmixed conifer forestmixed broadleaf forestpure broadleaf foresttotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.450........1.450
crowded..1.1583.2333.9303.63111.817
heterogeneous....0.41000.771..1.158
normal, loose..3.6315.0261.4501.84511.817
open, scattered..2.5381.845..0.7715.026
crowded, clustered normal..0.4100..0.4100..0.771
total1.4507.52110.4186.4236.12431.810
Eastern Juran/a0.4100........0.4100
crowded..0.41000.8701.2571.2573.632
heterogeneous............
normal, loose......0.41000.41000.870
open, scattered..0.41000.4100....0.870
crowded, clustered normal............
total0.41000.8701.2571.6491.6495.525
Western Plateaun/a............
crowded..0.4100....0.41000.870
heterogeneous............
normal, loose..0.41000.41001.2570.8702.937
open, scattered....0.4100..0.8711.258
crowded, clustered normal............
total..0.8700.8701.2572.0444.928
Central Plateaun/a0.3100........0.3100
crowded..0.31000.9570.31001.2502.833
heterogeneous............
normal, loose..0.6711.5440.31000.6713.131
open, scattered........0.31000.3100
crowded, clustered normal......0.3100..0.3100
total0.31000.9572.5350.9572.2376.820
Eastern Plateaun/a0.4100........0.4100
crowded..0.41000.4100..0.7711.450
heterogeneous......0.4100..0.4100
normal, loose..0.41001.8440.7711.1583.930
open, scattered............
crowded, clustered normal............
total0.41000.7712.1411.1581.8446.124
Western Pre-Alpsn/a1.844........1.844
crowded..3.7311.9440.41001.1577.021
heterogeneous............
normal, loose..3.3321.9440.4100..5.624
open, scattered..4.4281.157..0.7706.323
crowded, clustered normal..3.7310.41000.4100..4.428
total1.84415.2135.2251.1571.94425.29
Central Pre-Alpsn/a2.538........2.538
crowded..4.3282.2402.2404.32812.916
heterogeneous..3.6312.2400.771..6.523
normal, loose..6.1243.9301.1580.410011.517
open, scattered..4.3282.240..0.41006.822
crowded, clustered normal..4.3281.450..0.41006.124
total2.53822.61111.8163.9305.42546.37
Eastern Pre-Alpsn/a1.844........1.844
crowded..5.4253.6311.8443.92914.614
heterogeneous..0.7710.4100....1.157
normal, loose..8.9195.7242.1400.410017.113
open, scattered..1.4501.157..0.41002.935
crowded, clustered normal....0.7710.7710.41001.844
total1.84416.41311.4164.6275.02639.37
Northwestern Alpsn/a1.450........1.450
crowded..4.3280.7711.1571.4507.521
heterogeneous..1.4500.4100..0.41002.140
normal, loose..8.2202.2412.1402.14014.714
open, scattered..3.9291.1570.7710.41006.123
crowded, clustered normal..5.026......5.026
total1.45022.9104.3283.9294.32836.87
Central Alpsn/a0.3100........0.3100
crowded..2.734....1.7444.526
heterogeneous............
normal, loose..2.4371.0570.7700.7704.825
open, scattered..0.7700.3100....1.057
crowded, clustered normal..1.7440.3100....2.140
total0.31007.6191.7440.7702.43712.713
Northeastern Alpsn/a0.4100........0.4100
crowded..0.7702.9350.7702.9347.221
heterogeneous............
normal, loose..4.7260.7700.7701.4497.520
open, scattered..2.240..0.7700.41003.232
crowded, clustered normal..1.1571.1570.4100..2.537
total0.41008.6194.7262.5374.72620.810
Southwestern Alpsn/a2.835........2.835
crowded..6.2232.4370.7713.83013.015
heterogeneous..4.527......4.527
normal, loose..14.4151.4501.0580.77117.513
open, scattered..20.6121.0581.0581.05823.711
crowded, clustered normal..8.9190.7710.31001.45011.317
total2.83554.565.5253.1336.92272.75
Southeastern Alpsn/a2.141........2.141
crowded..9.8180.7710.7712.53813.715
heterogeneous..3.2330.4100....3.531
normal, loose..14.1151.4500.41001.45017.213
open, scattered..14.1151.4500.41000.410016.214
crowded, clustered normal..13.7151.4500.4100..15.514
total2.14154.865.3251.8454.22868.25
Southern Alpsn/a1.450........1.450
crowded..6.4231.4503.23328.31039.38
heterogeneous..1.1580.7710.4100..2.141
normal, loose..7.5212.5381.15810.21821.212
open, scattered..9.9181.7451.1588.52021.212
crowded, clustered normal..8.9201.450..5.72516.014
total1.45033.797.8215.72552.77101.34
Switzerlandn/a17.014........17.014
crowded..46.0921.01316.11557.17140.25
heterogeneous..14.4154.3292.1410.410021.213
normal, loose..74.5729.41113.71622.013139.65
open, scattered..64.4712.5173.93013.81694.66
crowded, clustered normal..47.687.4222.8357.82165.67
total17.014247.0374.6738.69101.05478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169335/155718

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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%......0.3100..0.3100
1-4%....0.41001.4500.41002.141
5-9%......1.4500.7712.141
10-25%......2.4380.7713.133
26-50%............
51-75%............
76-100%............
total....0.41005.5251.8457.721
lower subalpineless than 1%....0.41002.438..2.835
1-4%0.4100..0.7715.2260.7717.022
5-9%....0.7715.2261.8457.721
10-25%0.4100..1.1589.0191.45011.917
26-50%......3.8301.1584.927
51-75%............
76-100%............
total0.771..2.93525.6115.02634.210
upper montaneless than 1%1.158..0.41001.7450.41003.532
1-4%....0.7714.5281.8457.022
5-9%....2.9354.5281.1588.420
10-25%0.4100..1.1588.3201.15810.818
26-50%0.771..1.1583.8301.1586.723
51-75%....0.41002.1410.41002.835
76-100%............
total2.241..6.52324.9115.72539.29
lower montaneless than 1%............
1-4%1.158..0.7711.450..3.233
5-9%....0.41001.058..1.450
10-25%0.771..0.41001.058..2.141
26-50%....0.41000.3100..0.771
51-75%....0.41000.3100..0.771
76-100%............
total1.845..2.2414.129..8.121
colline/submontaneless than 1%............
1-4%............
5-9%............
10-25%....0.41000.3100..0.771
26-50%....0.4100....0.4100
51-75%............
76-100%............
total....0.7710.3100..1.158
totalless than 1%1.158..0.7714.5280.41006.723
1-4%1.550..2.53812.4162.83519.313
5-9%....4.03012.1173.53119.613
10-25%1.550..2.93521.1123.23328.611
26-50%0.771..1.8457.9212.14112.617
51-75%....0.7712.4380.41003.532
76-100%............
total4.727..12.61660.5712.41690.36

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169336/155719

NFI1

forest area: altitudinal vegetation zone · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpinen/a......0.3100..0.3100
single-layered......5.2262.1417.322
multi-layered......5.2261.4506.623
stratified......6.9221.4508.320
clustered structure....0.41004.2291.4505.924
total....0.410021.8126.42328.511
lower subalpinen/a....1.8452.835..4.628
single-layered1.158..9.02024.6127.42142.19
multi-layered0.4100..6.82324.9114.62736.710
stratified....2.24115.2152.14119.513
clustered structure....2.5388.3201.84512.617
total1.550..22.31275.7616.014115.55
upper montanen/a0.771..3.6312.1410.7717.122
single-layered1.158..15.51525.61110.61852.88
multi-layered4.7270.410019.51325.61114.81565.07
stratified0.41000.41006.8238.3204.32920.113
clustered structure....1.4502.4380.7714.628
total6.9230.77146.9864.0731.110149.64
lower montanen/a0.771..0.7710.7710.41002.538
single-layered3.7312.5387.9219.7196.72230.511
multi-layered12.8164.62716.61416.3147.12257.38
stratified1.158..3.6313.8301.4509.919
clustered structure............
total18.3147.02228.81030.41015.614100.26
colline/submontanen/a0.41000.771..1.0580.41002.538
single-layered4.7274.6274.7284.52820.51239.09
multi-layered5.5254.6276.82310.41810.91738.29
stratified0.41000.41000.7711.0580.41002.835
clustered structure............
total11.01810.21812.31716.91432.2982.56
totaln/a1.8450.7716.1246.9221.45017.014
single-layered10.6187.02237.1969.5647.57171.74
multi-layered23.4129.51949.7882.3638.98203.84
stratified1.8450.77113.31635.299.61960.77
clustered structure....4.32914.9153.93023.112
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169337/155720

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration %± %± %± %± %± %± %±
upper subalpineless than 1%........14.313.2..4.64.5
1-4%..100.0...33.315.714.313.220.017.927.39.5
5-9%......44.416.6..40.021.927.19.4
10-25%......22.213.971.417.140.021.941.010.5
26-50%..............
51-75%..............
76-100%..............
total..100.0...100.0.100.0.100.0.100.0.
lower subalpineless than 1%....25.012.55.03.518.89.8..8.22.8
1-4%50.335.438.513.516.710.812.25.131.311.614.29.320.64.1
5-9%..23.111.78.38.031.77.3..35.612.822.44.2
10-25%49.735.438.513.525.012.541.47.725.010.828.812.134.74.8
26-50%....25.012.59.74.625.010.821.411.014.23.5
51-75%..............
76-100%..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montaneless than 1%50.020.42.82.717.69.3..11.87.86.26.08.92.7
1-4%..19.46.617.69.310.06.717.69.331.411.617.93.6
5-9%..30.67.717.69.325.09.711.87.818.79.721.53.9
10-25%16.715.225.07.229.411.135.010.735.311.618.79.727.64.2
26-50%33.319.319.46.65.95.715.08.017.69.318.79.717.03.6
51-75%..2.82.711.87.815.08.05.95.76.26.07.02.4
76-100%..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneless than 1%..............
1-4%60.021.950.025.040.015.5......39.310.2
5-9%..25.021.720.012.7..25.021.7..17.37.9
10-25%40.021.9..20.012.7..50.025.0..26.19.2
26-50%..25.021.7....25.021.7..8.85.9
51-75%....20.012.7......8.55.8
76-100%..............
total100.0.100.0.100.0...100.0...100.0.
colline/submontaneless than 1%..............
1-4%..............
5-9%..............
10-25%..50.135.4..100.0.....66.127.4
26-50%..49.935.4........33.927.4
51-75%..............
76-100%..............
total..100.0...100.0.....100.0.
totalless than 1%23.111.71.81.815.45.82.92.013.65.22.92.87.41.6
1-4%30.812.826.85.923.16.814.14.120.56.122.97.121.42.6
5-9%..26.85.915.45.831.05.56.83.828.57.621.72.6
10-25%30.712.826.85.925.67.038.05.838.67.325.87.431.72.9
26-50%15.410.016.14.910.34.99.93.518.25.817.16.414.02.2
51-75%..1.81.810.34.94.22.42.32.22.92.83.81.2
76-100%..............
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 #169338/155721

NFI1

forest area: altitudinal vegetation zone · stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a....0.7710.41000.41001.450
single-layered..1.1581.1583.6312.9358.620
multi-layered..0.41004.62711.1173.93020.013
stratified....0.41001.1580.41001.845
clustered structure............
total..1.4506.82316.0147.52131.810
Eastern Juran/a......0.4100..0.4100
single-layered........2.0442.044
multi-layered......1.6491.6493.234
stratified............
clustered structure............
total......2.0443.6325.525
Western Plateaun/a............
single-layered......0.8711.2572.044
multi-layered......2.1440.41002.540
stratified....0.4100....0.4100
clustered structure............
total....0.41002.8371.6494.928
Central Plateaun/a........0.31000.3100
single-layered......1.2501.5442.833
multi-layered......1.9401.9403.728
stratified............
clustered structure............
total......3.1313.7286.820
Eastern Plateaun/a........0.41000.4100
single-layered......0.41001.8442.141
multi-layered....0.41000.7712.1413.233
stratified........0.41000.4100
clustered structure............
total....0.41001.1584.6276.124
Western Pre-Alpsn/a..0.41001.1570.4100..1.844
single-layered..3.0343.7300.7700.41007.820
multi-layered..3.0345.5251.5492.24012.215
stratified....1.157....1.157
clustered structure..1.1571.157....2.240
total..7.42112.6152.6372.63725.29
Central Pre-Alpsn/a..0.7711.4500.4100..2.538
single-layered..3.2336.1242.9351.45013.615
multi-layered..2.5376.5237.2221.84417.913
stratified..2.2405.0262.5370.77110.418
clustered structure0.41001.1580.4100....1.844
total0.41009.71819.41212.9163.93046.37
Eastern Pre-Alpsn/a..0.7711.158....1.844
single-layered..2.9355.7244.3282.93515.714
multi-layered..1.4507.5217.9202.93519.612
stratified....0.7711.157..1.844
clustered structure..0.4100......0.4100
total..5.42515.01413.2155.72439.37
Northwestern Alpsn/a..0.41000.7710.4100..1.450
single-layered..5.7245.7241.1571.15713.615
multi-layered..5.0265.7242.9351.84415.414
stratified0.41001.8441.4501.157..4.627
clustered structure0.41001.450......1.844
total0.77114.31413.6155.4252.93536.87
Central Alpsn/a..0.3100......0.3100
single-layered..2.1402.1400.770..4.825
multi-layered..1.0572.1401.7442.1406.920
stratified......0.3100..0.3100
clustered structure....0.3100....0.3100
total..3.4304.5262.7342.14012.713
Northeastern Alpsn/a....0.4100....0.4100
single-layered..1.4502.1404.7261.1579.318
multi-layered..1.1573.9292.9350.41008.219
stratified....1.157....1.157
clustered structure..1.4490.4100....1.844
total..3.9297.9197.5201.44920.810
Southwestern Alpsn/a..1.4500.3100..1.0582.835
single-layered2.7356.9225.5251.7441.45018.213
multi-layered2.73512.7168.9194.5273.83032.69
stratified2.4376.9223.1331.4501.05814.714
clustered structure2.4381.7440.3100....4.527
total10.31829.51018.2137.5217.22172.75
Southeastern Alpsn/a0.41000.7710.7710.4100..2.141
single-layered2.5388.81910.5181.8451.15824.611
multi-layered2.5385.3255.3254.6272.53820.012
stratified4.2286.7222.8351.158..14.815
clustered structure1.4503.9301.450....6.722
total10.91725.31120.7127.7213.53168.25
Southern Alpsn/a....0.7710.41000.41001.450
single-layered2.1417.42110.6186.72220.51247.57
multi-layered1.4504.62714.8157.12210.91738.98
stratified1.4502.1414.3291.4500.41009.619
clustered structure1.4501.8450.771....3.930
total6.42316.01431.11015.61432.29101.34
Switzerlandn/a0.41004.6287.2222.5382.43817.014
single-layered7.32242.4953.2830.41139.29172.54
multi-layered6.62337.0965.3757.3838.29204.34
stratified8.42019.61320.3139.9192.83561.07
clustered structure6.02412.8174.628....23.312
total28.711116.35150.54100.2682.56478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169339/155722

NFI3

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 NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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..0.4100
1-4%..0.4100..1.0580.41000.41002.141
5-9%......1.450..0.7712.141
10-25%......0.7711.8450.7713.233
26-50%..............
51-75%..............
76-100%..............
total..0.4100..3.1332.5381.8457.721
lower subalpineless than 1%....1.0580.7711.158..2.835
1-4%0.41001.8450.7711.7441.8450.7717.022
5-9%..1.1580.31004.527..1.8457.721
10-25%0.41001.8451.0585.8241.4501.45011.917
26-50%....1.0581.4501.4501.1584.927
51-75%..............
76-100%..............
total0.7714.7274.12814.1155.6255.02634.210
upper montaneless than 1%1.1580.41001.058..0.7710.41003.532
1-4%..2.5381.0580.7711.1581.8457.122
5-9%..4.0301.0581.7440.7711.1588.520
10-25%0.41003.2331.7442.4372.1411.15810.918
26-50%0.7712.5380.31001.0581.1581.1586.723
51-75%..0.41000.7711.0580.41000.41002.835
76-100%..............
total2.14113.0165.9246.9226.0245.72539.59
lower montaneless than 1%..............
1-4%1.1580.7711.450......3.233
5-9%..0.41000.771..0.4100..1.450
10-25%0.771..0.771..0.771..2.141
26-50%..0.4100....0.4100..0.771
51-75%....0.771......0.771
76-100%..............
total1.8451.4503.431..1.450..8.121
colline/submontaneless than 1%..............
1-4%..............
5-9%..............
10-25%..0.4100..0.3100....0.771
26-50%..0.4100........0.4100
51-75%..............
76-100%..............
total..0.771..0.3100....1.158
totalless than 1%1.1580.41002.1410.7712.1410.41006.723
1-4%1.4505.4263.1333.4313.2332.83519.413
5-9%..5.4262.1417.5211.1583.53119.613
10-25%1.4505.4263.4319.3196.0243.23328.711
26-50%0.7713.2331.4502.4372.8352.14112.717
51-75%..0.41001.4501.0580.41000.41003.532
76-100%..............
total4.72820.21313.41524.41115.51412.41690.56

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169340/155723

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
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....0.4100..0.41000.41001.158
1001-1400 m....6.423..0.7710.41007.522
601-1000 m0.7711.4503.5310.31000.41000.41006.723
to 600 m..2.1410.771......2.835
total0.7713.53111.0180.31001.4501.15818.114
21-40 %above 1800 m....1.812813.414215.52014.623035.394
1401-1800 m0.4100..34.58625.310424.010523.9109108.149
1001-1400 m7.21170.720075.65714.71347.419428.599134.143
601-1000 m23.412417.39254.3667.92174.220422.0110129.143
to 600 m6.11396.42083.22860.7200..14.613131.090
total37.110924.4130169.33761.96351.27593.751437.623
over 100%above 1800 m......0.31000.41000.41001.158
1401-1800 m....2.1411.0580.41002.4385.924
1001-1400 m....3.5311.7440.7712.5388.520
601-1000 m0.4100..2.1410.3100..2.5385.326
to 600 m....0.4100....0.7711.158
total0.4100..8.2213.4311.4508.52021.813
totalabove 1800 m....1.84513.71515.9145.02636.49
1401-1800 m0.4100..37.0926.31024.71126.711115.15
1001-1400 m7.2220.77185.5616.4138.81931.410150.04
601-1000 m24.51118.71359.978.6194.62724.911141.25
to 600 m6.1248.5204.3290.771..15.31534.910
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169341/155724

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
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..1.2300..1.257
total..1.2300..1.257
AIabove 1800 m........
1401-1800 m........
1001-1400 m..1.93370.31002.330
601-1000 m0.31000.669..1.054
to 600 m........
total0.31002.63140.31003.221
ARabove 1800 m........
1401-1800 m........
1001-1400 m..0.6200..0.669
601-1000 m0.31002.2102..2.630
to 600 m........
total0.31002.9196..3.225
BEabove 1800 m..1.7128..1.745
1401-1800 m0.310012.31671.45014.015
1001-1400 m1.45024.71010.77126.811
601-1000 m1.45028.71081.05831.110
to 600 m0.31001.0171..1.450
total3.43168.5603.13375.05
BL/BSabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m0.41001.2170..1.649
to 600 m..2.4119..2.439
total0.41003.7175..4.129
FRabove 1800 m........
1401-1800 m..1.5400..1.550
1001-1400 m1.9448.6207..10.517
601-1000 m0.41003.7890.41004.528
to 600 m0.4100....0.4100
total2.63713.81640.410016.812
GEabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
GLabove 1800 m........
1401-1800 m..1.5157..1.549
1001-1400 m..4.284..4.227
601-1000 m0.41003.51830.41004.227
to 600 m........
total0.41009.21060.410010.014
GRabove 1800 m..17.81620.77118.513
1401-1800 m0.310033.5941.45035.29
1001-1400 m0.77119.91322.14122.712
601-1000 m0.31008.71930.31009.419
to 600 m0.31001.4141..1.745
total1.74581.3604.52787.65
JUabove 1800 m........
1401-1800 m........
1001-1400 m..0.8200..0.870
601-1000 m..7.8233..7.820
to 600 m..3.1206..3.134
total..11.7199..11.715
LUabove 1800 m........
1401-1800 m..0.9170..0.957
1001-1400 m0.6701.3270..1.940
601-1000 m..3.1172..3.131
to 600 m0.31000.6200..0.957
total0.9576.0230..6.920
NEabove 1800 m........
1401-1800 m........
1001-1400 m..1.3270..1.349
601-1000 m..3.2171..3.230
to 600 m........
total..4.5143..4.525
NWabove 1800 m........
1401-1800 m....0.41000.4100
1001-1400 m..1.2300..1.255
601-1000 m..1.2169..1.255
to 600 m........
total..2.32240.41002.732
OWabove 1800 m........
1401-1800 m..2.22270.41002.636
1001-1400 m0.7703.4183..4.127
601-1000 m..3.0297..3.033
to 600 m........
total0.7708.62070.41009.714
SGabove 1800 m........
1401-1800 m..2.2358..2.241
1001-1400 m1.1578.31880.41009.818
601-1000 m0.77014.81270.410015.913
to 600 m..2.23570.41002.537
total1.84427.5911.15730.48
SHabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..0.4100..0.4100
to 600 m..0.4100..0.4100
total..0.770..0.770
SOabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m0.41001.5400..1.944
to 600 m..0.4100..0.4100
total0.41001.9370..2.340
SZabove 1800 m........
1401-1800 m..0.7200..0.770
1001-1400 m0.41008.31720.41009.117
601-1000 m0.7703.6276..4.327
to 600 m..0.4100..0.4100
total1.15713.01360.410014.512
TGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..1.2140..1.249
to 600 m0.31001.5127..1.839
total0.31002.792..3.030
TIabove 1800 m..2.1341..2.141
1401-1800 m0.410018.31241.45020.012
1001-1400 m0.410020.81111.84422.911
601-1000 m0.410020.41162.14122.911
to 600 m..13.31380.77114.015
total1.15874.9566.02482.04
URabove 1800 m........
1401-1800 m..1.7127..1.743
1001-1400 m0.41003.33100.31004.027
601-1000 m..2.62140.31003.031
to 600 m..0.7200..0.770
total0.41008.32200.7709.315
VDabove 1800 m........
1401-1800 m..4.6265..4.628
1001-1400 m..7.62040.8718.321
601-1000 m0.41004.9239..5.326
to 600 m1.1581.1300..2.340
total1.55018.21220.87120.512
VSabove 1800 m..13.41420.310013.815
1401-1800 m..27.8991.05828.810
1001-1400 m..16.81301.74418.513
601-1000 m0.31009.32060.31009.918
to 600 m..1.7241..1.744
total0.310068.9593.43172.75
ZGabove 1800 m........
1401-1800 m..0.4100..0.4100
1001-1400 m..0.968..0.968
601-1000 m0.41002.1121..2.632
to 600 m........
total0.41003.4100..3.921
ZHabove 1800 m........
1401-1800 m........
1001-1400 m..0.4100..0.4100
601-1000 m..1.1170..1.157
to 600 m........
total..1.4141..1.449
Switzerlandabove 1800 m..35.1941.05836.19
1401-1800 m1.058107.6495.924114.65
1001-1400 m7.522134.2438.420150.14
601-1000 m6.923128.9435.326141.15
to 600 m2.83531.4901.15835.210
total18.214437.12321.813477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169342/155725

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover of assured regeneration %± %± %± %± %± %±
Western Juraless than 1%....50.020.4....23.011.7
1-4%..51.035.3..60.021.9..31.012.9
5-9%............
10-25%..49.035.316.715.240.021.9..30.712.8
26-50%....33.319.3....15.310.0
51-75%............
76-100%............
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%............
5-9%....66.719.3....50.317.7
10-25%........48.835.312.011.2
26-50%....33.319.3..51.235.337.717.2
51-75%............
76-100%............
total....100.0...100.0.100.0.
Central Pre-Alpsless than 1%............
1-4%100.0.33.319.322.213.933.327.3..31.610.7
5-9%..16.715.233.315.733.327.3..26.310.1
10-25%..50.020.433.315.7....31.610.7
26-50%....11.110.533.327.3..10.57.1
51-75%............
76-100%............
total100.0.100.0.100.0.100.0...100.0.
Eastern Pre-Alpsless than 1%..50.035.433.327.3....25.015.3
1-4%......33.327.3..12.511.7
5-9%..50.035.433.327.3....25.015.3
10-25%......33.327.3..12.511.7
26-50%............
51-75%....33.327.333.327.3..25.015.3
76-100%............
total..100.0.100.0.100.0...100.0.
Northwestern Alpsless than 1%....4.84.7....3.43.4
1-4%..42.918.723.89.3100.0...31.08.6
5-9%..28.617.119.08.6....20.77.5
10-25%..28.617.128.69.9....27.68.3
26-50%....19.08.6....13.86.4
51-75%....4.84.7....3.43.4
76-100%............
total..100.0.100.0.100.0...100.0.
Central Alpsless than 1%..16.715.314.313.3....14.39.4
1-4%..33.319.328.617.2....28.612.1
5-9%......100.0...7.16.9
10-25%..33.319.342.918.8....35.712.9
26-50%..16.715.314.313.3....14.39.4
51-75%............
76-100%............
total..100.0.100.0.100.0...100.0.
Northeastern Alpsless than 1%..25.021.714.313.3....11.87.8
1-4%....14.313.350.020.5..23.510.3
5-9%....28.617.116.715.3..17.69.3
10-25%..25.021.728.617.116.715.3..23.510.3
26-50%..50.025.1......11.87.8
51-75%....14.313.316.715.3..11.87.8
76-100%............
total..100.0.100.0.100.0...100.0.
Southwestern Alpsless than 1%..5.03.5......2.92.0
1-4%33.315.712.25.110.06.7....14.14.1
5-9%44.416.631.77.325.09.7....31.05.5
10-25%22.213.941.47.735.010.7..100.0.38.05.8
26-50%..9.74.615.08.0....9.93.5
51-75%....15.08.0....4.22.4
76-100%............
total100.0.100.0.100.0...100.0.100.0.
Southeastern Alpsless than 1%14.313.218.89.811.87.8....13.65.2
1-4%14.313.231.311.617.69.3....20.56.1
5-9%....11.87.825.021.7..6.83.8
10-25%71.417.125.010.835.311.650.025.0..38.67.3
26-50%..25.010.817.69.325.021.7..18.25.8
51-75%....5.95.7....2.32.2
76-100%............
total100.0.100.0.100.0.100.0...100.0.
Southern Alpsless than 1%....6.26.0....2.92.8
1-4%20.017.914.29.331.411.6....22.97.1
5-9%40.021.935.612.818.79.7....28.57.6
10-25%40.021.928.812.118.79.7....25.87.4
26-50%..21.411.018.79.7....17.16.4
51-75%....6.26.0....2.92.8
76-100%............
total100.0.100.0.100.0.....100.0.
Switzerlandless than 1%4.64.58.22.88.92.7....7.41.6
1-4%27.39.520.54.117.93.639.310.2..21.42.6
5-9%27.19.522.44.221.63.917.27.9..21.72.6
10-25%41.110.534.64.827.54.226.09.265.227.831.62.9
26-50%..14.33.517.03.68.75.934.827.814.02.2
51-75%....7.12.48.75.9..3.91.2
76-100%............
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 #169343/155726

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
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......0.7710.41001.058
1001-1400 m....5.8251.4500.41007.522
601-1000 m0.7711.1583.6311.0580.41006.823
to 600 m0.41001.8450.41000.3100..2.835
total1.1582.8359.7193.5321.15818.214
21-40 %above 1800 m....0.410030.11084.623035.194
1401-1800 m0.4100..11.217172.66023.1111107.249
1001-1400 m6.91200.410042.57856.07328.0102133.843
601-1000 m21.912710.210841.59134.29021.6111129.443
to 600 m6.91364.62851.13003.826514.513130.990
total36.111115.119196.653196.83691.851436.423
over 100%above 1800 m......0.7710.41001.058
1401-1800 m....1.4502.1412.4385.924
1001-1400 m....2.2413.8302.5388.420
601-1000 m0.4100..0.41002.1412.5385.326
to 600 m....0.4100..0.7711.158
total0.4100..4.3298.6208.42021.813
totalabove 1800 m....0.410030.8105.02636.19
1401-1800 m0.4100..12.61675.4625.811114.25
1001-1400 m6.9230.410050.5861.2730.810149.84
601-1000 m23.01211.31745.4837.4924.411141.45
to 600 m7.3226.3231.8454.12915.21534.810
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169344/155727

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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%....1.158....1.158
1-4%..0.4100..1.158..1.450
5-9%............
10-25%..0.41000.41000.771..1.450
26-50%....0.771....0.771
51-75%............
76-100%............
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%............
5-9%....1.549....1.549
10-25%........0.41000.4100
26-50%....0.770..0.41001.157
51-75%............
76-100%............
total....2.240..0.7712.935
Central Pre-Alpsless than 1%............
1-4%0.41000.7710.7710.4100..2.240
5-9%..0.41001.1580.4100..1.844
10-25%..1.1581.158....2.240
26-50%....0.41000.4100..0.771
51-75%............
76-100%............
total0.41002.2403.2331.158..6.822
Eastern Pre-Alpsless than 1%..0.41000.4100....0.771
1-4%......0.4100..0.4100
5-9%..0.41000.4100....0.771
10-25%......0.4100..0.4100
26-50%............
51-75%....0.41000.4100..0.771
76-100%............
total..0.7711.1571.157..2.935
Northwestern Alpsless than 1%....0.4100....0.4100
1-4%..1.1571.8440.4100..3.233
5-9%..0.7711.450....2.140
10-25%..0.7712.140....2.935
26-50%....1.450....1.450
51-75%....0.4100....0.4100
76-100%............
total..2.5377.5210.4100..10.417
Central Alpsless than 1%..0.31000.3100....0.770
1-4%..0.7700.770....1.449
5-9%......0.3100..0.3100
10-25%..0.7701.057....1.744
26-50%..0.31000.3100....0.770
51-75%............
76-100%............
total..2.1402.4370.3100..4.825
Northeastern Alpsless than 1%..0.41000.4100....0.770
1-4%....0.41001.157..1.449
5-9%....0.7700.4100..1.157
10-25%..0.41000.7700.4100..1.449
26-50%..0.770......0.770
51-75%....0.41000.4100..0.770
76-100%............
total..1.4492.5372.140..6.122
Southwestern Alpsless than 1%..0.771......0.771
1-4%1.0581.7440.771....3.431
5-9%1.4504.5271.744....7.521
10-25%0.7715.8242.437..0.31009.319
26-50%..1.4501.058....2.437
51-75%....1.058....1.058
76-100%............
total3.13314.1156.922..0.310024.411
Southeastern Alpsless than 1%0.41001.1580.771....2.141
1-4%0.41001.8451.158....3.233
5-9%....0.7710.4100..1.158
10-25%1.8451.4502.1410.771..6.024
26-50%..1.4501.1580.4100..2.835
51-75%....0.4100....0.4100
76-100%............
total2.5385.6256.0241.450..15.514
Southern Alpsless than 1%....0.4100....0.4100
1-4%0.41000.7711.845....2.835
5-9%0.7711.8451.158....3.531
10-25%0.7711.4501.158....3.233
26-50%..1.1581.158....2.141
51-75%....0.4100....0.4100
76-100%............
total1.8455.0265.725....12.416
Switzerlandless than 1%0.41002.8353.532....6.723
1-4%2.1417.0227.1223.233..19.413
5-9%2.1417.7218.5201.450..19.713
10-25%3.23311.91710.9182.1410.77128.711
26-50%..4.9276.7230.7710.410012.717
51-75%....2.8350.771..3.532
76-100%............
total7.72134.31039.698.2211.15890.86

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169345/155728

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
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..0.4100....0.41000.41001.158
1001-1400 m..4.7271.745..0.7710.41007.522
601-1000 m1.8451.4502.4380.31000.41000.41006.723
to 600 m2.1410.4100....0.4100..2.935
total3.9306.9234.2290.31001.8451.15818.114
21-40 %above 1800 m..1.8128..13.414215.52024.623035.394
1401-1800 m0.410021.61116.420127.89928.810023.1111108.049
1001-1400 m7.211842.27726.99316.813012.614928.0102133.743
601-1000 m31.811530.39728.3909.32067.423521.6111128.643
to 600 m11.42030.72002.43281.7241..14.513130.890
total50.89596.65064.05868.95964.36691.851436.523
over 100%above 1800 m......0.31000.41000.41001.058
1401-1800 m..2.241..1.0580.41002.4386.024
1001-1400 m..1.4501.4501.7441.4502.5388.420
601-1000 m0.41001.1581.0580.3100..2.5385.326
to 600 m....0.3100....0.7711.158
total0.41004.7272.8353.4312.1418.42021.813
totalabove 1800 m..1.845..13.81515.8145.02636.39
1401-1800 m0.410024.2126.42328.81029.51025.811115.15
1001-1400 m7.22248.3830.01018.51314.81530.810149.64
601-1000 m34.01032.81031.799.9187.72124.411140.65
to 600 m13.6161.1582.8351.7440.410015.21534.710
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169346/155729

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
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..6.8120..6.823
601-1000 m0.410020.01300.410020.712
to 600 m0.41003.6173..3.930
total0.77130.71140.410031.810
Eastern Juraabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m0.41001.6270..2.044
to 600 m..3.6107..3.632
total0.41005.1162..5.525
Western Plateauabove 1800 m........
1401-1800 m........
1001-1400 m..0.4100..0.4100
601-1000 m0.8702.0150..2.837
to 600 m1.2570.4100..1.649
total2.1442.8107..4.928
Central Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..5.3129..5.323
to 600 m0.31001.2271..1.544
total0.31006.5116..6.820
Eastern Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m0.41002.5107..2.935
to 600 m0.41002.9207..3.233
total0.7715.4175..6.124
Western Pre-Alpsabove 1800 m........
1401-1800 m..5.9212..5.924
1001-1400 m1.94412.21680.77014.813
601-1000 m..4.1870.41004.428
to 600 m........
total1.94422.21211.15725.29
Central Pre-Alpsabove 1800 m..0.4100..0.4100
1401-1800 m..3.91601.4505.425
1001-1400 m2.93515.81260.77119.412
601-1000 m1.45019.4133..20.812
to 600 m0.4100....0.4100
total4.72739.4842.24046.37
Eastern Pre-Alpsabove 1800 m........
1401-1800 m..1.4157..1.450
1001-1400 m1.15714.61300.77116.413
601-1000 m2.14017.9133..20.012
to 600 m..1.13000.41001.450
total3.23335.0861.15739.37
Northwestern Alpsabove 1800 m..1.4141..1.450
1401-1800 m0.410011.81570.77112.915
1001-1400 m..14.3145..14.314
601-1000 m..6.82020.7717.521
to 600 m..0.7200..0.771
total0.410035.0861.45036.87
Central Alpsabove 1800 m........
1401-1800 m..1.7128..1.744
1001-1400 m0.41005.52520.31006.222
601-1000 m..3.42850.31003.829
to 600 m..1.0170..1.057
total0.410011.71690.77012.713
Northeastern Alpsabove 1800 m........
1401-1800 m..3.2291..3.233
1001-1400 m0.41007.51330.41008.219
601-1000 m0.41007.91790.7709.018
to 600 m..0.4100..0.4100
total0.77019.01201.15720.810
Southwestern Alpsabove 1800 m..13.41420.310013.815
1401-1800 m..27.8991.05828.810
1001-1400 m..16.81301.74418.513
601-1000 m0.31009.32060.31009.918
to 600 m..1.7241..1.744
total0.310068.9593.43172.75
Southeastern Alpsabove 1800 m..15.52020.410015.814
1401-1800 m0.410028.81000.410029.510
1001-1400 m0.77112.61491.45014.815
601-1000 m0.41007.4235..7.721
to 600 m0.4100....0.4100
total1.84564.3662.14168.25
Southern Alpsabove 1800 m..4.62300.41005.026
1401-1800 m0.410023.11112.43825.811
1001-1400 m0.410028.01022.53830.810
601-1000 m0.410021.61112.53824.411
to 600 m..14.51310.77115.215
total1.15891.8518.420101.34
Switzerlandabove 1800 m..35.3941.05836.39
1401-1800 m1.158108.0496.024115.05
1001-1400 m7.622134.6438.520150.74
601-1000 m6.923128.9435.326141.15
to 600 m3.03531.0901.15835.110
total18.514437.82321.913478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169347/155730

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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....0.41005.51463.9872.135811.9204
1401-1800 m0.4100..7.816311.3916.41447.513733.358
1001-1400 m2.9191..21.3724.11762.51072.913833.6130
601-1000 m1.4158..3.9158......5.3140
to 600 m..............
total4.7163..33.35720.96912.79612.519884.194
over 100%above 1800 m..............
1401-1800 m....1.1581.0580.41000.41002.835
1001-1400 m....1.8451.058..0.41003.233
601-1000 m....0.771......0.771
to 600 m..............
total....3.5312.1410.41000.7716.723
totalabove 1800 m....0.41005.5253.9302.14111.917
1401-1800 m0.4100..8.92012.3166.7227.82136.110
1001-1400 m2.935..23.0125.1252.5373.23336.710
601-1000 m1.450..4.628......6.124
to 600 m..............
total4.727..36.9922.91113.11613.21690.86

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169348/155731

NFI1

forest area: altitudinal vegetation zone · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonestand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpinen/a........0.4100..0.4100
single-layered......2.7352.5372.2417.422
multi-layered......2.7352.5371.4506.623
stratified....0.41002.4374.2281.4508.420
clustered structure....0.7712.4381.4501.4506.024
total....1.15810.31811.0176.42328.711
lower subalpinen/a....3.2331.0580.4100..4.628
single-layered1.158..19.2136.2238.5207.52142.49
multi-layered0.4100..15.31511.3175.3254.62736.910
stratified....4.3296.8226.4232.14119.613
clustered structure....7.1221.4502.5371.84512.717
total1.450..49.0826.71023.01116.014116.25
upper montanen/a0.7710.41004.6280.31000.41000.7717.122
single-layered1.1580.77127.7114.8267.82111.11753.18
multi-layered4.7271.15833.0107.2213.93015.31565.17
stratified0.771..10.3183.1331.4504.62720.113
clustered structure....3.2330.31000.41000.7714.628
total7.2222.14178.8615.71413.81532.410150.04
lower montanen/a0.771..1.158..0.41000.41002.538
single-layered3.6313.93012.8161.7441.4507.12230.511
multi-layered13.7167.12222.3123.8303.2337.12257.28
stratified1.1580.41005.7251.450..1.4509.919
clustered structure..............
total19.11311.31741.896.8225.02616.014100.16
colline/submontanen/a0.41000.7710.41000.771..0.41002.538
single-layered4.7275.7256.0241.0581.15820.71239.19
multi-layered5.0267.82110.6183.4310.410011.01738.29
stratified0.41000.41000.7711.058..0.41002.835
clustered structure..............
total10.41814.51517.7146.2231.45032.3982.66
totaln/a1.8451.1589.2192.1411.4501.45017.014
single-layered10.41810.31865.6716.41321.21248.57172.44
multi-layered23.81215.91481.3628.41015.21439.48204.04
stratified2.2410.77121.31314.71412.01610.01860.87
clustered structure....11.0184.1284.2283.93023.312
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169349/155732

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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..2.82150.31003.133
1001-1400 m..8.5211..8.520
601-1000 m..2.1228..2.141
to 600 m........
total..13.71880.310014.115
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..1.5157..1.549
1001-1400 m..1.257..1.257
601-1000 m..0.82000.41001.257
to 600 m........
total..3.5920.41003.929
GRabove 1800 m..4.975..4.926
1401-1800 m..8.71380.31009.119
1001-1400 m..5.21500.31005.625
601-1000 m........
to 600 m........
total..18.9800.77119.613
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..1.1300..1.158
1401-1800 m..5.41490.41005.725
1001-1400 m..1.1580.41001.450
601-1000 m........
to 600 m........
total..7.52370.7718.320
URabove 1800 m........
1401-1800 m..1.3140..1.349
1001-1400 m..1.3157..1.349
601-1000 m....0.31000.3100
to 600 m........
total..2.61000.31003.031
VDabove 1800 m........
1401-1800 m..1.1171..1.158
1001-1400 m..2.31150.41002.737
601-1000 m........
to 600 m........
total..3.42020.41003.831
VSabove 1800 m..5.5147..5.525
1401-1800 m..12.0901.05813.015
1001-1400 m..4.81611.0585.824
601-1000 m........
to 600 m........
total..22.3682.14124.411
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..11.8204..11.817
1401-1800 m..33.2582.83536.110
1001-1400 m..33.31313.23336.510
601-1000 m..5.31400.7716.024
to 600 m........
total..83.7946.72390.46

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169350/155733

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura14.61517.11431.810
Eastern Jura4.0301.6495.525
Western Plateau0.8704.1314.928
Central Plateau2.8334.0276.820
Eastern Plateau1.8444.3286.124
Western Pre-Alps3.33221.81025.29
Central Pre-Alps3.63142.7746.37
Eastern Pre-Alps7.92031.4839.37
Northwestern Alps8.22028.6936.87
Central Alps4.1278.61812.713
Northeastern Alps4.72616.11220.810
Southwestern Alps25.41047.3772.75
Southeastern Alps14.81553.4768.25
Southern Alps22.31278.95101.34
Switzerland118.25360.03478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169351/155734

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter12.33.2..19.61.734.93.424.23.512.82.019.01.1
outside perimeter87.73.2100.0.80.41.765.13.475.83.587.22.081.01.1
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, 03.11.2014 #169352/155735

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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....0.41009.31192.135811.8204
1401-1800 m0.4100..1.117124.9666.714033.158
1001-1400 m2.9191..6.813220.7732.813833.3130
601-1000 m1.5158..2.21211.7128..5.3140
to 600 m............
total4.7163..10.510356.74311.719983.694
over 100%above 1800 m............
1401-1800 m....1.1581.4500.41002.835
1001-1400 m....1.1581.7450.41003.233
601-1000 m......0.771..0.771
to 600 m............
total....2.2413.8300.7716.723
totalabove 1800 m....0.41009.3192.14111.817
1401-1800 m0.4100..2.24126.3117.12235.910
1001-1400 m2.935..7.92122.5123.23336.510
601-1000 m1.550..2.2412.438..6.024
to 600 m............
total4.727..12.61660.5712.41690.36

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169353/155736

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter4.727..36.9922.91113.11613.21690.86
outside perimeter33.51027.911151.5442.8741.0890.04386.72
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169354/155737

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
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..5.51473.9872.135811.9204
1401-1800 m0.41004.01952.810212.0907.41416.714033.258
1001-1400 m2.919112.3927.21704.81613.51942.813833.5130
601-1000 m1.41582.22281.7241......5.3140
to 600 m..............
total4.716418.87511.712122.36814.88911.719983.994
over 100%above 1800 m..............
1401-1800 m..1.158..1.0580.41000.41002.835
1001-1400 m..0.41001.0581.0580.41000.41003.133
601-1000 m....0.771......0.771
to 600 m..............
total..1.4501.7442.1410.7710.7716.623
totalabove 1800 m..0.4100..5.5253.9302.14111.917
1401-1800 m0.41005.0262.83513.0157.7217.12236.010
1001-1400 m2.93512.6168.3205.8243.9303.23336.710
601-1000 m1.4502.2412.438......6.024
to 600 m..............
total4.72820.21313.41524.41115.51412.41690.56

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169355/155738

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton %± %± %±
AG..100.0.100.0.
AI30.014.970.014.6100.0.
AR10.09.790.09.7100.0.
BE18.72.681.32.6100.0.
BL/BS..100.0.100.0.
FR6.73.793.33.7100.0.
GE......
GL38.59.661.59.6100.0.
GR22.32.677.72.6100.0.
JU6.74.693.34.2100.0.
LU9.16.290.96.1100.0.
NE21.411.078.610.9100.0.
NW42.919.157.119.0100.0.
OW19.27.880.87.8100.0.
SG11.93.588.13.5100.0.
SH..100.0.100.0.
SO..100.0.100.0.
SZ15.05.785.05.7100.0.
TG..100.0.100.0.
TI10.12.089.92.0100.0.
UR32.08.968.08.9100.0.
VD18.65.381.45.3100.0.
VS33.53.266.53.2100.0.
ZG..100.0.100.0.
ZH..100.0.100.0.
Switzerland19.01.181.01.1100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #169356/155739

NFI3

forest area: stand stability · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%..............
1-9%..1.158..1.0580.41000.7713.233
10-25%....0.3100......0.3100
26-50%..0.4100..0.31000.4100..1.158
51-75%..0.4100....0.4100..0.771
76-100%..............
total..1.8450.31001.4501.1580.7715.326
less stable< 1%....0.31000.31000.4100..1.058
1-9%..5.8251.4503.8301.4501.45013.716
10-25%0.41003.6312.1413.8302.1411.15813.016
26-50%0.41001.8450.7711.4501.4501.1586.723
51-75%....0.31000.771..0.41001.450
76-100%..0.4100..0.3100....0.771
total0.77111.5174.82610.3185.3253.93036.510
stable< 1%1.158..0.771..0.4100..2.141
1-9%1.1582.2412.8355.5252.8353.23317.514
10-25%0.7712.5381.7445.1253.5312.83516.514
26-50%0.7711.4501.0581.7441.8451.1587.721
51-75%0.41000.41001.7440.31000.7710.7714.229
76-100%..0.41000.3100......0.771
total3.9306.9238.32012.7169.1197.82148.78
total< 1%1.158..1.0580.31000.771..3.233
1-9%1.1589.0204.12810.3184.6275.32534.410
10-25%1.1586.1244.1288.9195.6253.93029.811
26-50%1.1583.6311.7453.4313.5312.14115.515
51-75%0.41000.7712.1411.0581.1581.1586.323
76-100%..0.7710.31000.3100....1.450
total4.72820.21313.41524.41115.51412.41690.56

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169357/155740

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter6.52.05.71.310.72.211.32.23.11.210.21.88.00.7
outside perimeter93.52.094.31.389.32.288.72.296.91.289.81.892.00.7
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, 03.11.2014 #169358/155741
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