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NFI3

forest area: degree of mixture · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
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/a............
crowded..1.1583.6312.5384.32911.417
normal..2.1412.5382.1412.5389.319
loose..0.41002.9350.41001.4505.026
open..0.7711.4500.7711.1583.930
scattered..0.41000.7710.4100..1.550
grouped crowded..0.4100......0.4100
grouped normal........0.41000.4100
heterogeneous....0.41000.4100..0.771
total..5.02611.4176.4239.61932.59
Eastern Juran/a............
crowded......0.8701.6492.440
normal..0.41000.41000.870..1.649
loose........0.41000.4100
open......0.41000.41000.870
scattered....0.4100....0.4100
grouped crowded............
grouped normal............
heterogeneous............
total..0.41000.8702.0442.4405.525
Western Plateaun/a0.4100........0.4100
crowded....0.8700.4100..1.257
normal..0.41000.41000.8700.41002.144
loose............
open......0.4100..0.4100
scattered....0.4100..0.41000.870
grouped crowded............
grouped normal............
heterogeneous............
total0.41000.41001.6491.6500.8704.928
Central Plateaun/a............
crowded..0.671..1.2501.5443.430
normal..0.31000.3100..0.31000.957
loose....1.250..0.6711.940
open....0.31000.3100..0.671
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.9571.9401.5442.5356.820
Eastern Plateaun/a0.4100........0.4100
crowded..0.4100..0.41000.41001.158
normal..0.41001.450..1.1582.935
loose....0.41000.41000.41001.158
open......0.41000.41000.771
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total0.41000.7711.8441.1582.1416.124
Western Pre-Alpsn/a2.637........2.637
crowded..2.637..0.7701.5494.826
normal..5.2251.5490.770..7.421
loose..1.549..0.7700.41002.637
open..1.9440.4100..0.41002.637
scattered..1.158..0.4100..1.550
grouped crowded..3.034......3.034
grouped normal..0.4100......0.4100
heterogeneous..1.1580.41000.4100..1.844
total2.63716.6122.2403.0342.24026.68
Central Pre-Alpsn/a1.158........1.158
crowded..3.2332.2401.4502.5379.319
normal..4.7275.4251.4502.24013.615
loose..2.9352.2400.7710.41006.124
open..4.3281.8441.1580.7717.921
scattered..0.7710.7710.771..2.241
grouped crowded..1.450....0.41001.844
grouped normal..1.1580.771....1.844
heterogeneous..2.2400.771....2.935
total1.15820.41213.6155.4256.12446.67
Eastern Pre-Alpsn/a1.158........1.158
crowded..2.1403.6313.2332.93511.816
normal..3.2332.9352.9352.53711.416
loose..1.4501.1570.41000.41003.233
open..2.9353.2330.771..6.822
scattered..0.7710.7710.7710.7712.935
grouped crowded..0.7710.4100..0.41001.450
grouped normal....0.41000.4100..0.771
heterogeneous..0.41000.41000.771..1.450
total1.15811.41612.5168.9196.82240.77
Northwestern Alpsn/a1.844........1.844
crowded..2.5371.8441.8441.8447.920
normal..4.3282.5371.8442.53711.117
loose..1.4500.771....2.140
open..1.1570.7711.4500.41003.631
scattered..2.9350.41000.41000.41003.929
grouped crowded..2.5370.7710.41000.41003.930
grouped normal..1.4501.157....2.537
heterogeneous..1.8440.4100..0.41002.537
total1.84417.9128.2205.7245.72439.37
Central Alpsn/a0.3100........0.3100
crowded..1.4490.31001.4491.4504.526
normal..1.7440.770....2.437
loose..1.0570.7700.31001.0573.132
open..1.4491.057....2.437
scattered..0.3100..0.3100..0.770
grouped crowded............
grouped normal............
heterogeneous..0.3100......0.3100
total0.31006.2222.7342.1402.43713.813
Northeastern Alpsn/a1.450........1.450
crowded..1.8442.140..3.9297.919
normal..1.1571.1570.41001.4493.929
loose..0.41000.41000.7700.41001.844
open..1.4500.4100..0.7702.537
scattered..0.7700.4100..1.1572.140
grouped crowded..0.4100....0.41000.770
grouped normal............
heterogeneous..1.844......1.844
total1.4507.5204.3271.1577.91922.29
Southwestern Alpsn/a1.058........1.058
crowded..6.9220.7711.0582.73511.317
normal..6.9221.7441.0581.74411.317
loose..7.5211.4500.7710.31009.918
open..11.7161.058..1.45014.115
scattered..6.5220.7710.7710.7718.619
grouped crowded..7.5210.31000.7712.14110.617
grouped normal..6.2231.0580.771..7.920
heterogeneous..2.7350.771..0.31003.830
total1.05855.967.5214.8269.31978.54
Southeastern Alpsn/a1.450........1.450
crowded..5.3250.7710.7713.2339.918
normal..8.1201.4500.41001.15810.917
loose..8.1200.771....8.819
open..12.6161.450..1.84515.814
scattered..7.7210.41000.41000.41008.819
grouped crowded..6.3230.4100..1.1587.721
grouped normal..6.3230.4100....6.722
heterogeneous..5.3250.41000.4100..6.024
total1.45059.765.6251.8457.42175.95
Southern Alpsn/a1.450........1.450
crowded..3.5311.4502.53819.51326.911
normal..5.0262.1411.45016.61425.111
loose..3.9300.7710.7718.52013.815
open..6.4231.1581.4505.02613.815
scattered..6.4230.7710.7714.32912.117
grouped crowded..2.8350.41000.7714.3298.120
grouped normal..5.3250.41000.771..6.423
heterogeneous..4.3291.0580.41001.8457.421
total1.45037.697.8218.52059.86115.13
Switzerlandn/a12.917........12.917
crowded..31.41017.21418.11447.18113.85
normal..43.7924.31213.71632.210113.95
loose..28.51112.2175.02714.11659.87
open..44.3912.7176.82312.11775.87
scattered..27.4115.4264.6287.92145.39
grouped crowded..25.0122.1411.8458.82037.79
grouped normal..20.7133.9301.8450.410026.711
heterogeneous..19.8134.2292.1412.53828.611
total12.917240.8382.0653.88125.15514.62

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170729/157112

NFI2–NFI3

annual salvage logging: cause of salvage logging · production region
unit: m³/yr/ha
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
cause of salvage logging (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± %
insects....0.0.9.27110.5.7.254
fungi............
windthrow......38.0...38.0.
snow load......0.0...0.0.
avalanches............
landslides............
flooding............
forest fire............
loss of vitality............
others............
total0.0.0.0.0.0.0.9740.3980.664

change, calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170730/157113

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpine0-20%....25.021.75.94.0..7.14.94.92.1
21-40%....25.021.78.84.92.82.721.57.810.93.1
41-60%......29.57.825.07.225.08.225.54.3
61-80%....50.025.023.57.338.98.135.79.133.44.7
over 80%......32.38.033.37.910.75.825.44.3
total....100.0.100.0.100.0.100.0.100.0.
lower subalpine0-20%....5.41.91.31.3..1.91.82.80.9
21-40%....3.41.54.92.415.34.2..5.51.2
41-60%25.321.8..25.73.614.63.919.44.723.35.721.62.2
61-80%24.921.6..31.63.834.15.233.35.637.46.533.42.5
over 80%49.825.0..33.93.945.15.531.95.537.46.536.72.5
total100.0...100.0.100.0.100.0.100.0.100.0.
upper montane0-20%....1.70.92.01.92.22.22.01.41.80.6
21-40%..16.715.23.01.1..8.94.21.91.43.00.8
41-60%..16.715.29.41.921.65.822.26.25.92.310.81.4
61-80%9.56.433.319.314.52.325.56.131.16.920.24.018.61.8
over 80%90.56.433.319.371.43.051.07.035.57.169.94.565.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%....0.80.84.84.77.37.0..1.00.6
21-40%1.91.9..0.80.8....1.91.91.00.6
41-60%1.91.93.13.15.82.14.84.7..5.83.24.41.2
61-80%11.34.412.65.913.93.128.69.921.411.011.54.414.22.0
over 80%84.94.984.36.478.73.761.910.671.312.180.85.579.32.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%..............
21-40%..............
41-60%3.33.3....5.65.4..1.11.11.30.7
61-80%3.33.312.25.111.84.511.17.450.025.014.03.612.22.1
over 80%93.34.687.85.188.24.583.38.850.025.084.93.786.52.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%....2.50.72.51.11.20.81.50.71.80.3
21-40%0.90.91.31.32.50.73.41.39.42.22.70.93.30.5
41-60%2.81.62.51.812.01.417.02.619.33.09.11.611.70.8
61-80%9.32.814.03.918.91.727.73.133.33.621.42.321.41.1
over 80%87.03.282.34.364.02.049.53.536.83.765.32.661.91.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170731/157114

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine0-20%....0.41000.771..0.7711.845
21-40%....0.41001.0580.41002.2413.930
41-60%......3.4313.2332.5389.119
61-80%....0.7712.7354.9263.63112.017
over 80%......3.8304.2281.1589.119
total....1.45011.61612.71610.01835.810
lower subalpine0-20%....2.8350.4100..0.41003.632
21-40%....1.8451.4503.930..7.022
41-60%0.4100..13.5164.1284.9264.62727.611
61-80%0.4100..16.7149.6188.5207.52142.69
over 80%0.771..17.81412.7168.1207.52146.88
total1.450..52.7828.11025.41120.013127.65
upper montane0-20%....1.4500.31000.41000.7712.935
21-40%..0.41002.538..1.4500.7715.027
41-60%..0.41007.8213.8303.5312.24117.614
61-80%0.7710.77112.1174.4275.0267.42130.311
over 80%6.8230.77159.278.9195.72425.611107.05
total7.6212.14183.0617.41315.91436.79162.74
lower montane0-20%....0.41000.31000.4100..1.158
21-40%0.4100..0.4100....0.41001.158
41-60%0.41000.41002.5380.3100..1.1584.628
61-80%2.2411.4506.0242.1411.1582.14114.915
over 80%16.2149.51934.0104.4273.53115.01582.76
total19.11311.31743.397.2215.02618.513104.36
colline/submontane0-20%..............
21-40%..............
41-60%0.4100....0.3100..0.41001.158
61-80%0.41001.8452.1410.7710.7714.62710.218
over 80%10.11812.71616.0155.1250.77127.81072.47
total10.81814.51518.1146.2231.45032.7983.76
total0-20%....5.0271.7450.7711.8459.320
21-40%0.41000.41005.0272.4375.7243.23316.914
41-60%1.1580.77123.91212.01611.71710.71860.07
61-80%3.6313.93037.6919.51220.11225.211109.95
over 80%33.9923.012127.1434.9822.31176.95318.03
total38.9927.911198.5370.5560.46117.83514.12

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170732/157115

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
AG0-20%............
21-40%............
41-60%............
61-80%........33.327.333.327.3
over 80%........66.727.366.727.3
total........100.0.100.0.
AI0-20%............
21-40%............
41-60%..100.0.......30.014.9
61-80%....25.022.3....10.09.8
over 80%....75.022.0100.0...60.015.7
total..100.0.100.0.100.0...100.0.
AR0-20%............
21-40%............
41-60%............
61-80%....33.327.7....10.09.7
over 80%....66.727.7100.0.100.0.90.09.7
total....100.0.100.0.100.0.100.0.
BE0-20%..5.73.21.21.2....1.80.9
21-40%33.327.25.73.23.72.1....3.11.2
41-60%..32.26.46.32.71.71.7..10.22.0
61-80%66.727.224.55.917.44.210.03.910.05.516.82.5
over 80%..32.06.471.35.188.34.190.05.568.13.1
total100.0.100.0.100.0.100.0.100.0.100.0.
BL/BS0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
FR0-20%100.0.........2.12.1
21-40%............
41-60%..36.114.517.47.910.09.5..19.15.7
61-80%..9.18.713.07.110.09.5..10.64.5
over 80%..54.815.069.69.680.012.6100.0.68.26.8
total100.0.100.0.100.0.100.0.100.0.100.0.
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%..14.513.5......3.63.5
41-60%..42.118.710.09.610.09.6..17.67.2
61-80%..28.917.310.09.630.014.6..21.57.8
over 80%..14.513.580.012.660.015.6100.0.57.39.4
total..100.0.100.0.100.0.100.0.100.0.
GR0-20%..1.11.11.11.03.53.4..1.10.6
21-40%10.74.512.23.57.42.73.33.3..8.61.7
41-60%23.46.218.94.115.83.8....15.42.2
61-80%38.37.136.75.126.34.533.38.627.810.632.52.8
over 80%27.66.531.14.949.45.159.99.072.210.642.53.0
total100.0.100.0.100.0.100.0.100.0.100.0.
JU0-20%............
21-40%............
41-60%........9.18.73.33.3
61-80%....33.327.425.010.9..16.76.8
over 80%....66.727.375.010.890.98.580.07.2
total....100.0.100.0.100.0.100.0.
LU0-20%............
21-40%............
41-60%............
61-80%..33.327.3....25.021.79.16.2
over 80%..66.727.3100.0.100.0.75.021.790.96.1
total..100.0.100.0.100.0.100.0.100.0.
NE0-20%............
21-40%......12.511.8..7.16.9
41-60%............
61-80%....20.018.0....7.16.9
over 80%..100.0.80.017.987.511.6..85.79.2
total..100.0.100.0.100.0...100.0.
NW0-20%............
21-40%............
41-60%............
61-80%............
over 80%..100.0.100.0.100.0...100.0.
total..100.0.100.0.100.0...100.0.
OW0-20%............
21-40%............
41-60%..21.411.116.715.4....15.47.1
61-80%..50.013.433.319.4..100.0.38.59.6
over 80%..28.612.250.020.6100.0...46.29.9
total..100.0.100.0.100.0.100.0.100.0.
SG0-20%..8.27.93.23.2....2.21.6
21-40%....6.54.4....2.21.6
41-60%....9.75.311.16.0..6.72.7
61-80%..50.014.512.96.014.86.9..15.73.9
over 80%..41.814.367.78.474.18.4100.0.73.14.7
total..100.0.100.0.100.0.100.0.100.0.
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
SO0-20%............
21-40%............
41-60%............
61-80%......50.035.533.327.433.319.3
over 80%....100.0.50.035.566.727.466.719.4
total....100.0.100.0.100.0.100.0.
SZ0-20%..14.313.3..10.09.5..4.83.3
21-40%..14.313.3......2.42.4
41-60%..14.313.313.77.4....9.64.6
61-80%..42.918.89.16.210.09.5..14.35.4
over 80%..14.313.377.28.980.012.6100.0.69.07.1
total..100.0.100.0.100.0.100.0.100.0.
TG0-20%............
21-40%............
41-60%............
61-80%........14.313.310.09.5
over 80%....100.0.100.0.85.713.290.09.4
total....100.0.100.0.100.0.100.0.
TI0-20%11.87.82.32.32.92.0....2.00.9
21-40%11.87.8..1.41.42.32.2..1.50.8
41-60%29.411.124.56.45.62.76.83.81.21.29.21.8
61-80%35.311.635.57.119.54.76.83.814.13.819.42.4
over 80%11.87.837.77.270.55.484.15.584.73.967.92.9
total100.0.100.0.100.0.100.0.100.0.100.0.
UR0-20%....11.210.5....3.83.7
21-40%............
41-60%..11.110.59.99.414.313.3..10.05.5
61-80%..33.315.89.99.4....13.36.2
over 80%..55.616.769.014.885.713.2100.0.73.08.1
total..100.0.100.0.100.0.100.0.100.0.
VD0-20%..7.77.44.44.3....3.42.4
21-40%............
41-60%..15.410.04.84.7....5.33.0
61-80%..46.213.814.37.717.711.48.38.021.05.4
over 80%..30.812.876.49.282.311.491.77.970.36.0
total..100.0.100.0.100.0.100.0.100.0.
VS0-20%5.94.01.21.11.71.74.34.3..2.21.0
21-40%8.84.94.32.1......3.11.1
41-60%29.57.817.44.020.35.24.34.34.84.717.52.5
61-80%23.57.332.64.922.05.430.49.69.56.426.22.9
over 80%32.38.044.55.255.96.560.910.285.77.651.13.3
total100.0.100.0.100.0.100.0.100.0.100.0.
ZG0-20%..100.0.......11.110.8
21-40%............
41-60%......33.319.9..22.214.3
61-80%............
over 80%....100.0.66.719.8..66.716.1
total..100.0.100.0.100.0...100.0.
ZH0-20%............
21-40%....100.0.....25.021.7
41-60%............
61-80%........33.327.325.021.7
over 80%........66.727.350.025.1
total....100.0...100.0.100.0.
Switzerland0-20%5.02.22.90.91.80.61.00.6..1.80.4
21-40%10.83.15.51.23.00.81.00.6..3.30.5
41-60%25.54.321.52.210.91.54.61.21.30.711.70.8
61-80%33.34.733.52.518.61.814.42.012.12.121.41.1
over 80%25.44.336.62.565.72.279.12.486.62.261.91.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170733/157116

NFI2–NFI3

annual salvage logging: cause of salvage logging · production region
unit: 1000 m³/yr
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
cause of salvage logging1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
insects....0.610041001073
fungi............
windthrow......13100..13100
snow load......0...0.
avalanches............
landslides............
flooding............
forest fire............
loss of vitality............
others............
total0.0.0.197541002365

change, calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170734/157117

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%............
21-40%............
41-60%............
61-80%........0.41000.4100
over 80%........0.8700.870
total........1.2571.257
AI0-20%............
21-40%............
41-60%..1.054......1.054
61-80%....0.3100....0.3100
over 80%....1.0541.054..1.934
total..1.0541.3451.054..3.221
AR0-20%............
21-40%............
41-60%............
61-80%....0.3100....0.3100
over 80%....0.6691.6410.6692.928
total....1.0551.6410.6693.225
BE0-20%..1.0580.3100....1.450
21-40%0.31001.0581.058....2.438
41-60%..5.8241.7450.3100..7.921
61-80%0.7714.4274.8262.1411.05813.016
over 80%..5.82419.61318.1139.31952.77
total1.05818.11327.41020.51210.31877.45
BL/BS0-20%............
21-40%............
41-60%............
61-80%............
over 80%......1.6492.9364.527
total......1.6492.9364.527
FR0-20%0.4100........0.4100
21-40%............
41-60%..1.5501.5490.4100..3.332
61-80%..0.41001.1570.4100..1.944
over 80%..2.2406.0233.0340.77012.015
total0.41004.1298.6193.7300.77017.612
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%..0.4100......0.4100
41-60%..1.1570.41000.4100..1.944
61-80%..0.8700.41001.257..2.339
over 80%..0.41003.1332.3390.41006.221
total..2.7363.9293.9290.410010.714
GR0-20%..0.31000.31000.4100..1.158
21-40%1.8453.8302.4380.3100..8.420
41-60%3.8305.9245.226....15.015
61-80%6.32311.5178.7203.5311.74531.810
over 80%4.5279.81816.4146.3234.52741.58
total16.41431.41033.2910.5186.32397.84
JU0-20%............
21-40%............
41-60%........0.41000.4100
61-80%....0.41001.649..1.944
over 80%....0.8704.7273.9309.418
total....1.2576.2234.32811.715
LU0-20%............
21-40%............
41-60%............
61-80%..0.3100....0.31000.670
over 80%..0.6702.5342.2370.9576.321
total..0.9572.5342.2371.3496.920
NE0-20%............
21-40%......0.3100..0.3100
41-60%............
61-80%....0.3100....0.3100
over 80%..0.31001.3492.237..3.827
total..0.31001.6442.634..4.525
NW0-20%............
21-40%............
41-60%............
61-80%............
over 80%..0.41001.5461.255..3.129
total..0.41001.5461.255..3.129
OW0-20%............
21-40%............
41-60%..1.1570.4100....1.549
61-80%..2.6360.770..0.41003.729
over 80%..1.5491.1571.943..4.526
total..5.2232.2391.9430.41009.714
SG0-20%..0.41000.4100....0.771
21-40%....0.770....0.770
41-60%....1.1571.158..2.240
61-80%..2.2401.4501.450..5.126
over 80%..1.8447.6217.2216.92223.510
total..4.32811.2179.8186.92232.28
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%......0.41000.41000.770
total......0.41000.41000.770
SO0-20%............
21-40%............
41-60%............
61-80%......0.41000.41000.870
over 80%....0.41000.41000.8701.549
total....0.41000.8701.1572.340
SZ0-20%..0.4100..0.4100..0.770
21-40%..0.4100......0.4100
41-60%..0.41001.157....1.550
61-80%..1.1570.7700.4100..2.240
over 80%..0.41006.2222.9341.15710.515
total..2.5368.0193.6301.15715.211
TG0-20%............
21-40%............
41-60%............
61-80%........0.31000.3100
over 80%....0.31000.6701.8392.731
total....0.31000.6702.1363.030
TI0-20%0.7710.41000.771....1.845
21-40%0.771..0.41000.4100..1.450
41-60%1.8444.0301.4501.1580.41008.620
61-80%2.1415.7255.0261.1584.22918.213
over 80%0.7716.12417.91313.31625.41163.46
total6.12416.11425.41115.81430.01093.54
UR0-20%....0.4100....0.4100
21-40%............
41-60%..0.31000.31000.3100..1.057
61-80%..1.0570.3100....1.349
over 80%..1.7432.3362.0391.3497.318
total..3.0313.3302.3361.3499.915
VD0-20%..0.41000.4100....0.771
21-40%............
41-60%..0.8710.4100....1.158
61-80%..2.3401.1580.7710.41004.528
over 80%..1.5506.1243.4334.23015.215
total..4.9278.0214.2304.62821.612
VS0-20%0.7710.41000.31000.3100..1.745
21-40%1.0581.450......2.438
41-60%3.4315.5254.1280.31000.310013.715
61-80%2.73510.3184.5272.4380.77120.612
over 80%3.83014.11511.3174.8266.22340.18
total11.71631.6920.2127.9207.22178.54
ZG0-20%..0.4100......0.4100
21-40%............
41-60%......0.968..0.968
61-80%............
over 80%....0.9681.744..2.632
total..0.41000.9682.632..3.921
ZH0-20%............
21-40%....0.4100....0.4100
41-60%............
61-80%........0.41000.4100
over 80%........0.7700.770
total....0.4100..1.1571.449
Switzerland0-20%1.8453.6322.9351.158..9.320
21-40%3.8307.0224.9271.058..16.814
41-60%9.11927.31117.7144.8281.15860.07
61-80%11.91742.6930.21115.01510.218109.85
over 80%9.01946.58106.7582.7672.77317.73
total35.610127.05162.44104.6684.06513.62

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170735/157118

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
upper subalpine0-20%....50.035.42.81.97.14.95.02.2
21-40%....50.035.45.62.721.57.810.93.1
41-60%......26.45.225.08.225.54.3
61-80%......33.35.635.79.133.34.7
over 80%......31.95.510.75.825.34.3
total....100.0.100.0.100.0.100.0.
lower subalpine0-20%....4.82.72.61.01.91.82.80.9
21-40%....3.22.27.51.7..5.51.2
41-60%24.821.5..28.65.719.32.623.35.721.62.2
61-80%25.121.7..27.05.634.33.137.46.533.42.5
over 80%50.125.0..36.56.136.43.137.46.536.72.5
total100.0...100.0.100.0.100.0.100.0.
upper montane0-20%......3.01.22.11.51.80.6
21-40%....2.21.34.91.51.01.03.00.8
41-60%....8.82.416.22.65.12.210.81.4
61-80%10.06.7..15.43.121.12.920.34.118.61.8
over 80%90.06.7100.0.73.53.854.83.571.54.565.82.2
total100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%....1.21.22.21.6..1.00.6
21-40%2.02.0....1.11.12.01.91.00.6
41-60%2.02.0..3.72.16.62.65.93.34.41.2
61-80%12.04.615.18.08.63.121.74.311.84.514.22.0
over 80%84.05.184.98.086.43.868.44.980.45.679.42.4
total100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%............
21-40%............
41-60%3.23.2....2.02.01.11.11.30.7
61-80%3.23.213.86.411.85.514.04.914.03.612.22.1
over 80%93.54.486.26.488.25.584.05.284.93.786.52.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%....1.60.72.50.61.60.71.80.4
21-40%1.00.9..1.90.85.00.92.50.93.30.5
41-60%2.81.6..10.41.716.01.48.91.611.60.8
61-80%9.52.913.84.815.52.026.81.721.42.321.31.1
over 80%86.73.386.24.870.62.649.72.065.62.662.01.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170736/157119

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine0-20%....0.41000.7710.7711.845
21-40%....0.41001.4502.1413.930
41-60%......6.6232.5389.119
61-80%......8.3203.53111.817
over 80%......7.9211.1589.019
total....0.77124.9119.91835.510
lower subalpine0-20%....1.1582.1410.41003.632
21-40%....0.7716.223..6.922
41-60%0.4100..6.52315.9144.62727.411
61-80%0.4100..6.12428.3117.42142.39
over 80%0.771..8.32030.1107.42146.68
total1.550..22.71282.7619.913126.75
upper montane0-20%......2.1410.7712.835
21-40%....1.1583.5310.41004.927
41-60%....4.32911.4171.84517.514
61-80%0.771..7.62114.9157.02230.211
over 80%6.6230.77136.0938.7924.811106.85
total7.3220.77149.0870.6634.79162.34
lower montane0-20%....0.41000.771..1.158
21-40%0.4100....0.31000.41001.158
41-60%0.4100..1.1582.1411.1584.628
61-80%2.2411.1582.5386.9222.14114.815
over 80%15.3156.02425.21121.81214.51582.86
total18.3147.02229.21031.81018.113104.46
colline/submontane0-20%............
21-40%............
41-60%0.4100....0.31000.41001.158
61-80%0.41001.4501.4502.4384.62710.218
over 80%10.6188.82010.81814.51527.61072.37
total11.31710.21812.31717.31432.5983.66
total0-20%....1.8455.6251.8459.220
21-40%0.4100..2.24111.4172.83516.814
41-60%1.158..11.91736.4910.31859.77
61-80%3.7312.53817.71460.8724.711109.35
over 80%33.21015.51580.46113.0575.55317.53
total38.3917.914113.94227.33115.13512.52

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170737/157120

NFI2–NFI3

annual salvage logging: cause of salvage logging · protection forest region
unit: %
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
cause of salvage logging %± %± %± %± %± %± %±
insects..0.0.100.0.....100.0.42.330.2
fungi..............
windthrow..100.0.........57.730.2
snow load............0.0.
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total..100.0.100.0.....100.0.100.0.

change, calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170738/157121

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpine0-20%..25.021.7..5.94.0..7.14.94.92.1
21-40%..25.021.7..8.84.92.82.721.57.810.93.1
41-60%......29.57.825.07.225.08.225.54.3
61-80%..50.025.0..23.57.338.98.135.79.133.44.7
over 80%......32.38.033.37.910.75.825.34.3
total..100.0...100.0.100.0.100.0.100.0.
lower subalpine0-20%..4.32.17.64.21.21.11.31.31.91.82.80.9
21-40%..3.31.95.03.54.32.113.93.9..5.51.2
41-60%25.321.827.24.621.26.717.44.019.04.423.35.721.72.2
61-80%24.921.629.34.735.17.632.64.935.45.437.46.533.32.5
over 80%49.825.035.95.031.17.544.55.230.45.237.46.536.72.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montane0-20%..1.51.12.51.71.71.71.51.52.11.51.80.6
21-40%..2.31.33.62.0..10.33.71.01.03.00.8
41-60%..8.52.49.73.320.35.220.64.95.12.210.81.4
61-80%9.16.116.93.312.03.622.05.428.05.520.34.118.71.8
over 80%90.96.170.84.072.24.955.96.539.75.971.54.565.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montane0-20%....1.51.54.34.34.54.4..1.00.6
21-40%1.41.4......4.34.32.01.91.00.6
41-60%1.41.41.71.710.53.84.34.3..5.93.34.41.2
61-80%12.94.08.33.611.94.030.49.630.49.611.84.514.22.0
over 80%84.34.390.03.976.15.260.910.260.810.280.45.679.42.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontane0-20%..............
21-40%..............
41-60%1.71.7....4.84.7..1.11.11.30.7
61-80%8.33.619.27.7..9.56.440.015.514.03.612.32.1
over 80%90.03.980.87.7100.0.85.77.660.015.584.93.786.52.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%..2.20.82.81.12.21.01.40.81.60.71.80.4
21-40%0.60.62.20.82.31.03.11.19.32.02.50.93.30.5
41-60%1.91.111.91.810.92.117.52.517.62.68.91.611.70.8
61-80%10.92.519.62.214.82.426.22.933.33.221.42.321.41.1
over 80%86.52.764.12.769.33.151.13.338.43.365.62.661.81.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170739/157122

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine0-20%..0.4100..0.771..0.7711.845
21-40%..0.4100..1.0580.41002.1413.930
41-60%......3.4313.2332.5389.119
61-80%..0.771..2.7354.9263.53111.917
over 80%......3.8304.2281.1589.019
total..1.450..11.71612.6169.91835.710
lower subalpine0-20%..1.4501.1580.41000.41000.41003.632
21-40%..1.1580.7711.4503.930..7.022
41-60%0.41009.0202.9365.5255.3254.62727.711
61-80%0.41009.7194.82610.3189.8187.42142.59
over 80%0.77111.9174.32914.1158.4207.42146.88
total1.45033.21013.81631.6927.81019.913127.65
upper montane0-20%..0.7710.7710.31000.41000.7712.935
21-40%..1.1581.058..2.5380.41004.927
41-60%..4.0302.8354.1284.9261.84517.614
61-80%0.7717.9213.4314.5276.7237.02230.311
over 80%7.22233.21020.71211.3179.51924.811106.75
total7.92146.9828.71020.21223.91134.79162.34
lower montane0-20%....0.31000.31000.4100..1.158
21-40%0.4100......0.41000.41001.158
41-60%0.41000.41002.4380.3100..1.1584.628
61-80%3.2331.8452.8352.4382.5382.14114.815
over 80%21.11319.51317.6134.8264.92614.51582.46
total25.01221.61223.1117.9208.12018.113103.86
colline/submontane0-20%..............
21-40%..............
41-60%0.4100....0.3100..0.41001.158
61-80%1.8451.845..0.7711.4504.62710.218
over 80%19.3137.6229.3196.2232.14127.61072.17
total21.5139.4199.3197.2213.53132.5983.46
total0-20%..2.5382.1411.7451.1581.8459.220
21-40%0.41002.5381.7442.4387.0222.83516.914
41-60%1.15813.3168.12113.71513.41610.31859.97
61-80%6.12422.01211.11720.61225.31124.711109.75
over 80%48.3872.1651.9740.1829.21075.55317.03
total55.88112.5474.9578.5475.95115.13512.82

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170740/157123

NFI2–NFI3

annual salvage logging: cause of salvage logging · protection forest region
unit: m³/yr/ha
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
cause of salvage logging (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± %
insects..0.0.9.271....10.5.7.254
fungi..............
windthrow..38.0.........38.0.
snow load......0.0.....0.0.
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total0.0.2.2970.8980.0.0.0.0.3980.665

change, calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170741/157124

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
Western Jura0-20%............
21-40%......2.22.2..1.11.1
41-60%..25.722.1..2.22.24.54.43.31.9
61-80%..24.821.510.06.713.35.14.54.411.03.3
over 80%..49.525.090.06.782.25.790.96.184.63.8
total..100.0.100.0.100.0.100.0.100.0.
Eastern Jura0-20%............
21-40%............
41-60%............
61-80%............
over 80%......100.0.100.0.100.0.
total......100.0.100.0.100.0.
Western Plateau0-20%............
21-40%............
41-60%............
61-80%......12.511.8..7.27.0
over 80%....100.0.87.511.7100.0.92.87.0
total....100.0.100.0.100.0.100.0.
Central Plateau0-20%............
21-40%............
41-60%............
61-80%......20.012.78.38.013.67.3
over 80%......80.012.691.77.986.47.3
total......100.0.100.0.100.0.
Eastern Plateau0-20%............
21-40%............
41-60%............
61-80%........23.111.717.69.3
over 80%....100.0.100.0.76.911.782.49.2
total....100.0.100.0.100.0.100.0.
Western Pre-Alps0-20%100.0.4.84.7......2.81.9
21-40%....2.82.8....1.41.4
41-60%..42.710.813.95.814.313.3..20.84.8
61-80%..4.84.716.76.214.313.314.413.412.53.9
over 80%..47.710.966.67.971.417.185.613.462.55.7
total100.0.100.0.100.0.100.0.100.0.100.0.
Central Pre-Alps0-20%............
21-40%100.0.3.73.6......1.51.1
41-60%..22.28.03.72.6....6.22.1
61-80%..33.39.118.55.35.43.727.313.418.53.4
over 80%..40.79.577.85.794.63.772.713.473.83.9
total100.0.100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alps0-20%..13.38.8..2.72.7..2.61.5
21-40%..6.76.54.33.0....2.61.5
41-60%..20.010.310.94.65.43.7..8.82.7
61-80%..46.712.910.94.610.85.1..14.03.3
over 80%..13.38.873.96.581.16.4100.0.71.94.2
total..100.0.100.0.100.0.100.0.100.0.
Northwestern Alps0-20%..6.83.85.13.5....4.62.0
21-40%..4.53.15.03.5....3.61.8
41-60%..22.76.310.04.8....12.73.2
61-80%100.0.38.67.415.05.712.58.312.511.725.44.2
over 80%..27.36.764.97.587.58.287.511.753.64.8
total100.0.100.0.100.0.100.0.100.0.100.0.
Central Alps0-20%....7.26.9....2.72.7
21-40%............
41-60%..20.012.76.66.412.511.7..10.04.8
61-80%..30.014.66.66.4....10.04.8
over 80%..50.015.979.610.587.511.7100.0.77.36.7
total..100.0.100.0.100.0.100.0.100.0.
Northeastern Alps0-20%..7.26.94.54.5....3.22.3
21-40%..7.16.94.54.5....3.22.3
41-60%..21.511.09.16.218.28.3..14.54.5
61-80%..28.612.118.28.318.28.3..19.45.0
over 80%..35.612.863.610.263.610.3100.0.59.66.2
total..100.0.100.0.100.0.100.0.100.0.
Southwestern Alps0-20%5.94.01.21.11.71.74.34.3..2.21.0
21-40%8.84.94.32.1......3.11.1
41-60%29.57.817.44.020.35.24.34.34.84.717.52.5
61-80%23.57.332.64.922.05.430.49.69.56.426.22.9
over 80%32.38.044.55.255.96.560.910.285.77.651.13.3
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alps0-20%..1.31.31.51.54.54.4..1.40.8
21-40%2.82.713.93.910.33.74.34.3..9.32.0
41-60%25.07.219.04.420.64.9....17.62.6
61-80%38.98.135.45.428.05.530.49.640.015.533.33.2
over 80%33.37.930.45.239.75.960.810.260.015.538.43.3
total100.0.100.0.100.0.100.0.100.0.100.0.
Southern Alps0-20%7.14.91.91.82.11.5....1.60.7
21-40%21.57.8..1.01.02.01.9..2.50.9
41-60%25.08.223.35.75.12.25.93.31.11.18.91.6
61-80%35.79.137.46.520.34.111.84.514.03.621.42.3
over 80%10.75.837.46.571.54.580.45.684.93.765.62.6
total100.0.100.0.100.0.100.0.100.0.100.0.
Switzerland0-20%4.92.22.80.91.80.61.00.6..1.80.4
21-40%10.93.15.51.23.00.81.00.6..3.30.5
41-60%25.54.321.62.210.81.44.41.21.30.711.70.8
61-80%33.44.733.32.518.61.814.12.012.22.121.31.1
over 80%25.34.336.72.565.72.279.42.386.62.261.91.3
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 #170742/157125

NFI3

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%............
21-40%......0.4100..0.4100
41-60%..0.4100..0.41000.41001.158
61-80%..0.41000.7712.1410.41003.631
over 80%..0.7716.42313.2167.12227.510
total..1.4507.12216.0147.82132.59
Eastern Jura0-20%............
21-40%............
41-60%............
61-80%............
over 80%......2.0443.6325.525
total......2.0443.6325.525
Western Plateau0-20%............
21-40%............
41-60%............
61-80%......0.4100..0.4100
over 80%....0.41002.5401.6494.529
total....0.41002.8371.6494.928
Central Plateau0-20%............
21-40%............
41-60%............
61-80%......0.6710.31000.957
over 80%......2.5353.4305.922
total......3.1313.7286.820
Eastern Plateau0-20%............
21-40%............
41-60%............
61-80%........1.1581.158
over 80%....0.41001.1583.6315.026
total....0.41001.1584.6276.124
Western Pre-Alps0-20%0.41000.4100......0.770
21-40%....0.4100....0.4100
41-60%..3.3331.9440.4100..5.525
61-80%..0.41002.2400.41000.41003.332
over 80%..3.7308.9191.9442.24016.612
total0.41007.82013.3142.6372.63726.68
Central Pre-Alps0-20%............
21-40%0.41000.4100......0.771
41-60%..2.2400.771....2.935
61-80%..3.2333.6310.7711.1588.620
over 80%..3.93015.11412.5162.93534.49
total0.41009.71819.41213.3153.93046.67
Eastern Pre-Alps0-20%..0.771..0.4100..1.157
21-40%..0.41000.771....1.157
41-60%..1.1571.8440.771..3.631
61-80%..2.5371.8441.450..5.724
over 80%..0.77112.11610.7175.72429.39
total..5.42516.41313.2155.72440.77
Northwestern Alps0-20%..1.1570.771....1.844
21-40%..0.7710.771....1.450
41-60%..3.6311.450....5.026
61-80%0.7716.1232.1400.7710.410010.018
over 80%..4.3289.3185.0262.53721.111
total0.77115.71314.3145.7242.93539.37
Central Alps0-20%....0.4100....0.4100
21-40%............
41-60%..0.7700.31000.3100..1.449
61-80%..1.0570.3100....1.449
over 80%..1.7444.1272.4372.43710.715
total..3.4305.2242.7342.43713.813
Northeastern Alps0-20%..0.41000.4100....0.771
21-40%..0.41000.4100....0.770
41-60%..1.1580.7701.450..3.233
61-80%..1.4501.4491.449..4.328
over 80%..1.8445.0255.0251.44913.213
total..5.0267.9197.9191.44922.29
Southwestern Alps0-20%0.7710.41000.31000.3100..1.745
21-40%1.0581.450......2.438
41-60%3.4315.5254.1280.31000.310013.715
61-80%2.73510.3184.5272.4380.77120.612
over 80%3.83014.11511.3174.8266.22340.18
total11.71631.6920.2127.9207.22178.54
Southeastern Alps0-20%..0.41000.41000.4100..1.158
21-40%0.41003.9302.5380.4100..7.022
41-60%3.2335.3254.926....13.416
61-80%4.9269.8186.7232.5381.45025.311
over 80%4.2288.4209.5194.9262.14129.210
total12.61627.81023.9118.1203.53175.95
Southern Alps0-20%0.7710.41000.771....1.845
21-40%2.141..0.41000.4100..2.835
41-60%2.5384.6271.8451.1580.410010.318
61-80%3.5317.4217.0222.1414.62724.711
over 80%1.1587.42124.81114.51527.61075.55
total9.91819.91334.7918.11332.59115.13
Switzerland0-20%1.8453.6322.9351.158..9.320
21-40%3.9307.0225.0271.158..16.914
41-60%9.11927.61117.7144.6281.15860.17
61-80%11.91742.6930.41114.81510.218109.85
over 80%9.01946.88107.3583.0672.47318.53
total35.710127.65163.24104.5683.66514.62

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170743/157126

NFI2–NFI3

annual salvage logging: cause of salvage logging · protection forest region
unit: 1000 m³/yr
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
cause of salvage logging1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
insects..0.6100....41001073
fungi..............
windthrow..14100........14100
snow load......0.....0.
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total0.1410061000.0.41002465

change, calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170744/157127

NFI3

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: protection forest perimeter SilvaProtect = 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....0.4100..0.41000.7711.450
1001-1400 m....6.723..0.7710.41007.821
601-1000 m0.7711.4503.5310.31000.41000.41006.723
to 600 m0.41002.1410.771......3.233
total1.1583.53111.4170.31001.4501.45019.113
21-40 %above 1800 m....2.111515.113817.31917.818142.488
1401-1800 m0.4100..38.18126.310128.39529.396122.445
1001-1400 m7.21170.720078.85616.41277.419431.492141.942
601-1000 m23.812317.39255.0668.22144.220423.1108131.643
to 600 m6.11396.42083.52730.7200..15.013031.788
total37.510924.4130177.53666.76057.370106.547469.922
over 100%above 1800 m....0.41000.31000.41000.7711.845
1401-1800 m....2.5381.0580.41002.4386.324
1001-1400 m....3.9301.7441.1583.63110.218
601-1000 m0.4100..2.5380.3100..2.5385.725
to 600 m....0.4100....0.7711.158
total0.4100..9.6193.4311.8449.91825.012
totalabove 1800 m....2.53815.41417.7138.62044.18
1401-1800 m0.4100..41.0927.41029.01032.410130.15
1001-1400 m7.2220.77189.4618.1139.21935.39159.94
601-1000 m24.81118.71361.078.9194.62725.911144.05
to 600 m6.5238.5204.6280.771..15.71435.910
total38.9927.911198.5370.5560.46117.83514.12

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170745/157128

NFI3

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: protection forest perimeter SilvaProtect = 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..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 m0.310013.71581.45015.414
1001-1400 m1.74524.71010.77127.111
601-1000 m1.45029.41071.05831.89
to 600 m0.31001.0171..1.450
total3.83070.5593.13377.45
BL/BSabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m0.41001.2170..1.649
to 600 m0.41002.4119..2.936
total0.8703.7175..4.527
FRabove 1800 m..0.4100..0.4100
1401-1800 m..1.9370..1.944
1001-1400 m1.9448.6207..10.517
601-1000 m0.41003.7890.41004.528
to 600 m0.4100....0.4100
total2.63714.61620.410017.612
GEabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
GLabove 1800 m........
1401-1800 m..2.3119..2.340
1001-1400 m..4.284..4.227
601-1000 m0.41003.51830.41004.227
to 600 m........
total0.410010.01020.410010.714
GRabove 1800 m..21.01500.77121.612
1401-1800 m0.77137.7861.45039.88
1001-1400 m0.77121.31222.83524.811
601-1000 m0.31009.11860.31009.818
to 600 m0.31001.4141..1.745
total2.14190.4555.22597.84
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..1.5269..1.546
to 600 m........
total..2.73240.41003.129
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....0.41000.4100
1401-1800 m..2.2358..2.241
1001-1400 m1.1579.41840.410010.817
601-1000 m0.77014.81270.77016.313
to 600 m..2.23570.41002.537
total1.84428.5901.84432.28
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 m0.41008.71700.41009.417
601-1000 m0.7703.6276..4.327
to 600 m..0.7200..0.770
total1.15713.81340.410015.211
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..3.92490.41004.328
1401-1800 m0.410023.71061.45025.411
1001-1400 m0.410022.91052.53725.811
601-1000 m0.410021.11152.14123.611
to 600 m..13.61350.77114.315
total1.15885.3527.12293.54
URabove 1800 m........
1401-1800 m..1.7127..1.743
1001-1400 m0.41003.62800.7704.725
601-1000 m..2.62140.31003.031
to 600 m..0.7200..0.770
total0.41008.62121.0579.915
VDabove 1800 m........
1401-1800 m..5.3248..5.326
1001-1400 m..8.02020.8718.720
601-1000 m0.41004.9239..5.326
to 600 m1.1581.1300..2.340
total1.55019.31190.87121.612
VSabove 1800 m..15.11380.310015.514
1401-1800 m..29.1961.45030.59
1001-1400 m..18.91231.74420.612
601-1000 m0.31009.62040.310010.318
to 600 m..1.7241..1.744
total0.310074.4573.83078.54
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..42.1881.84543.98
1401-1800 m1.450121.8456.324129.55
1001-1400 m7.821141.94210.218159.94
601-1000 m6.923131.4435.725144.05
to 600 m3.23332.1881.15836.410
total19.314469.32224.912513.62

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170746/157129

NFI2–NFI3

annual salvage logging: cause of salvage logging · economic region
unit: %
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
cause of salvage logging
insectsfungiwindthrowsnow loadavalancheslandslidesfloodingforest fireloss of vitalityotherstotal
economic region %± %± %± %± %± %± %± %± %± %± %±
Western Jura......................
Eastern Jura......................
Western Plateau......................
Central Plateau......................
Eastern Plateau......................
Western Pre-Alps......................
Central Pre-Alps......................
Eastern Pre-Alps......................
Northwestern Alps....100.0...............100.0.
Central Alps......................
Northeastern Alps100.0...................100.0.
Southwestern Alps......................
Southeastern Alps......................
Southern Alps100.0...................100.0.
Switzerland43.230.4..56.830.40.0.............100.0.

change, calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #170747/157130

NFI3

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: protection forest perimeter SilvaProtect = 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......0.7710.7711.450
1001-1400 m....5.8251.7450.41007.921
601-1000 m0.7711.1583.6311.0580.41006.823
to 600 m0.7711.8450.41000.3100..3.233
total1.5502.8359.7193.8301.45019.213
21-40 %above 1800 m....0.720033.61047.818142.188
1401-1800 m0.4100..11.916680.65628.497121.345
1001-1400 m6.91200.410044.37759.86930.197141.542
601-1000 m22.312610.210841.89134.98922.6109131.843
to 600 m6.91364.62851.13004.125814.913031.688
total36.511015.119199.853213.134103.848468.422
over 100%above 1800 m......1.0580.7711.745
1401-1800 m....1.4502.4382.4386.324
1001-1400 m....2.2414.5283.53110.218
601-1000 m0.4100..0.41002.4382.5385.625
to 600 m....0.4100..0.7711.158
total0.4100..4.32910.4189.91824.912
totalabove 1800 m....0.77134.6108.52043.89
1401-1800 m0.4100..13.31683.7631.510129.05
1001-1400 m6.9230.410052.3766.0734.09159.64
601-1000 m23.41211.31745.8838.4925.511144.25
to 600 m7.7216.3231.8454.52815.61435.910
total38.3917.914113.94227.33115.13512.52

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170748/157131

NFI3

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: protection forest perimeter SilvaProtect = 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..0.4100....0.41000.7711.450
1001-1400 m..5.0261.745..0.7710.41007.821
601-1000 m1.8451.4502.4380.31000.41000.41006.723
to 600 m2.5380.4100....0.4100..3.233
total4.3297.2224.2290.31001.8451.45019.213
21-40 %above 1800 m..2.2115..15.113817.21927.818142.388
1401-1800 m0.410024.21027.219529.19633.09128.497122.345
1001-1400 m7.211842.67728.79118.912314.113730.197141.442
601-1000 m32.211431.09628.3909.62047.423522.6109131.143
to 600 m11.42030.72002.82991.7241..14.913031.588
total51.295100.64967.05774.45771.761103.848468.722
over 100%above 1800 m....0.31000.31000.41000.7711.745
1401-1800 m..2.241..1.4500.41002.4386.323
1001-1400 m..1.4501.7441.7441.8453.53110.218
601-1000 m0.41001.1581.4500.3100..2.5385.625
to 600 m....0.3100....0.7711.158
total0.41004.7273.8303.8302.5389.91824.912
totalabove 1800 m..2.2410.310015.51417.6138.52044.18
1401-1800 m0.410026.7117.22230.5933.7931.510130.15
1001-1400 m7.22249.0832.1920.61216.51434.09159.44
601-1000 m34.31033.51032.1910.3187.72125.511143.45
to 600 m13.9161.1583.1331.7440.410015.61435.810
total55.88112.5474.9578.5475.95115.13512.82

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170749/157132

NFI2–NFI3

annual salvage logging: cause of salvage logging · economic region
unit: m³/yr/ha
unit of evaluation:
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
change 1993/95–2004/06
cause of salvage logging
insectsfungiwindthrowsnow loadavalancheslandslidesfloodingforest fireloss of vitalityotherstotal
economic region (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± % (m³/yr)/ha± %
Western Jura....................0.0.
Eastern Jura....................0.0.
Western Plateau......................
Central Plateau....................0.0.
Eastern Plateau......................
Western Pre-Alps0.0...................0.0.
Central Pre-Alps....................0.0.
Eastern Pre-Alps....................0.0.
Northwestern Alps....38.0...............3.296
Central Alps0.0...................0.0.
Northeastern Alps18.4...................2.095
Southwestern Alps......0.0.............0.0.
Southeastern Alps....................0.0.
Southern Alps10.5...................0.398
Switzerland7.254..38.0.0.0.............0.664

change, calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170750/157133

NFI3

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: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
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 m0.410020.31290.410021.012
to 600 m0.7713.6173..4.329
total1.15831.01140.410032.59
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..0.4100..0.4100
1401-1800 m..6.7200..6.722
1001-1400 m1.94412.61660.77015.213
601-1000 m..4.1870.41004.428
to 600 m........
total1.94423.71181.15726.68
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 m1.45019.7132..21.212
to 600 m0.4100....0.4100
total4.72739.8842.24046.67
Eastern Pre-Alpsabove 1800 m........
1401-1800 m..1.4157..1.450
1001-1400 m1.15716.11260.77117.913
601-1000 m2.14017.9133..20.012
to 600 m..1.13000.41001.450
total3.23336.4851.15740.77
Northwestern Alpsabove 1800 m..1.4141..1.450
1401-1800 m0.410013.61390.77114.614
1001-1400 m0.410014.3145..14.714
601-1000 m..7.12010.7717.920
to 600 m..0.7200..0.771
total0.77137.2821.45039.37
Central Alpsabove 1800 m........
1401-1800 m..1.7128..1.744
1001-1400 m0.41005.82380.7706.920
601-1000 m..3.42850.31003.829
to 600 m..1.4270..1.449
total0.410012.41521.05713.813
Northeastern Alpsabove 1800 m....0.41000.4100
1401-1800 m..4.0272..4.029
1001-1400 m0.41007.51330.41008.219
601-1000 m0.41007.91791.1579.317
to 600 m..0.4100..0.4100
total0.77019.71191.84422.29
Southwestern Alpsabove 1800 m..15.11380.310015.514
1401-1800 m..29.1961.45030.59
1001-1400 m..18.91231.74420.612
601-1000 m0.31009.62040.310010.318
to 600 m..1.7241..1.744
total0.310074.4573.83078.54
Southeastern Alpsabove 1800 m..17.21920.410017.613
1401-1800 m0.410033.0910.410033.79
1001-1400 m0.77114.11371.84516.514
601-1000 m0.41007.4235..7.721
to 600 m0.4100....0.4100
total1.84571.7612.53875.95
Southern Alpsabove 1800 m..7.81810.7718.520
1401-1800 m0.77128.4972.43831.510
1001-1400 m0.410030.1973.53134.09
601-1000 m0.410022.61092.53825.511
to 600 m..14.91300.77115.614
total1.450103.8489.918115.13
Switzerlandabove 1800 m..42.3881.84544.18
1401-1800 m1.450122.2456.323129.95
1001-1400 m7.921142.34210.218160.54
601-1000 m6.923131.4435.725144.05
to 600 m3.33331.7881.15836.110
total19.613470.02225.012514.62

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170751/157134

NFI3

forest area: stand stability · regeneration cover · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover %± %± %± %± %± %± %±
critical< 1%....0.70.40.50.5....0.30.2
1-9%1.91.3..2.00.62.91.21.81.02.10.82.00.4
10-25%0.90.92.51.81.40.51.00.70.60.61.20.61.20.3
26-50%..6.32.71.30.51.00.7..0.30.31.00.3
51-75%0.90.9..1.10.4..1.20.8..0.60.2
76-100%1.91.31.31.30.60.3..0.60.60.30.30.60.2
total5.62.210.13.47.01.15.41.64.11.53.91.15.80.6
less stable< 1%0.90.9..1.80.61.00.72.31.20.60.41.30.3
1-9%10.22.92.51.811.31.312.12.39.42.212.61.810.90.8
10-25%6.52.413.93.913.81.512.12.310.52.410.01.611.70.8
26-50%7.42.511.43.67.51.15.81.64.11.56.01.36.70.7
51-75%0.90.98.93.23.20.72.41.11.81.03.61.03.20.5
76-100%3.71.82.51.81.80.60.50.51.20.81.50.71.70.3
total29.64.439.25.539.32.134.03.329.23.534.42.635.51.3
stable< 1%7.42.51.31.32.00.62.91.22.31.2..2.10.4
1-9%11.13.07.63.012.71.421.92.924.03.323.32.317.31.0
10-25%17.63.716.54.216.41.621.32.918.73.024.82.419.41.0
26-50%13.93.312.73.715.01.511.62.215.82.88.21.512.90.9
51-75%11.13.03.82.24.90.92.41.14.71.64.81.24.90.6
76-100%3.71.88.93.22.70.70.50.51.20.80.60.42.10.4
total64.84.650.65.653.62.160.73.466.73.661.72.758.71.3
total< 1%8.32.71.31.34.50.94.41.44.71.60.60.43.70.5
1-9%23.24.110.13.425.91.936.93.435.13.738.12.730.21.2
10-25%25.04.232.95.331.62.034.43.329.83.536.02.632.41.2
26-50%21.33.930.45.223.81.818.42.719.93.114.51.920.61.1
51-75%13.03.212.73.79.21.24.91.57.62.08.51.58.70.7
76-100%9.32.812.73.75.00.91.00.72.91.32.40.84.40.5
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 #170752/157135
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