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NFI4b

forest area: 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 2009/13
altitude (400 m classes)
above 1800 m1401-1800 m1001-1400 m601-1000 mto 600 mtotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura..0.41006.82320.7123.93031.810
Eastern Jura......2.0443.6325.525
Western Plateau....0.41002.8371.6494.928
Central Plateau......5.3231.5446.820
Eastern Plateau......2.9353.2336.124
Western Pre-Alps..5.92414.8134.428..25.29
Central Pre-Alps0.41005.42519.41220.8120.410046.37
Eastern Pre-Alps..1.45016.41320.0121.45039.37
Northwestern Alps1.45012.91514.3147.5210.77136.87
Central Alps..1.7446.2223.8291.05712.713
Northeastern Alps..3.2338.2199.0180.410020.810
Southwestern Alps13.81528.81018.5139.9181.74472.75
Southeastern Alps15.81429.51014.8157.7210.410068.25
Southern Alps5.02625.81130.81024.41115.215101.34
Switzerland36.39115.05150.74141.1535.110478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170945/157328

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %± %±
upper subalpine....0.60.315.62.620.33.36.21.46.00.6
lower subalpine3.81.9..26.01.940.63.542.54.015.52.124.31.1
upper montane18.93.87.63.041.82.123.93.125.53.531.42.731.41.3
lower montane50.04.940.55.522.21.810.42.29.22.315.52.121.01.1
colline/submontane27.44.351.95.69.41.39.42.12.61.331.32.717.31.0
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 #170946/157329

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine....1.15810.31811.0176.42328.711
lower subalpine1.450..49.0826.71023.01116.014116.25
upper montane7.2222.14178.8615.71413.81532.410150.04
lower montane19.11311.31741.896.8225.02616.014100.16
colline/submontane10.41814.51517.7146.2231.45032.3982.66
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170947/157330

NFI4b

forest area: altitudinal vegetation zone · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
canton %± %± %± %± %± %±
AG........100.0.100.0.
AI..30.014.940.015.830.014.9..100.0.
AR....30.014.850.016.120.012.9100.0.
BE1.40.822.82.835.23.226.93.013.72.3100.0.
BL/BS......40.015.660.015.6100.0.
FR..22.16.251.27.522.26.24.43.1100.0.
GE............
GL..19.27.838.59.638.59.63.83.8100.0.
GR15.12.332.73.034.33.010.82.07.21.6100.0.
JU....10.05.553.39.136.78.8100.0.
LU..13.67.336.410.331.810.018.28.3100.0.
NE..7.16.935.712.957.113.2..100.0.
NW..14.313.557.119.028.617.4..100.0.
OW..53.89.823.18.319.27.83.83.8100.0.
SG..13.13.733.35.231.05.122.64.6100.0.
SH......50.035.850.035.8100.0.
SO....16.715.333.319.350.020.5100.0.
SZ..17.56.052.57.925.06.95.03.5100.0.
TG....10.09.520.012.770.014.5100.0.
TI4.81.415.32.426.62.917.02.536.23.2100.0.
UR..32.08.928.98.724.98.214.26.6100.0.
VD..22.35.735.16.520.35.522.35.7100.0.
VS14.22.440.63.425.03.010.42.19.92.1100.0.
ZG..11.110.822.214.366.716.1..100.0.
ZH....25.021.7..75.021.7100.0.
Switzerland6.00.624.31.131.41.321.01.117.41.0100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #170948/157331

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI1
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..............
1001-1400 m..............
601-1000 m..............
to 600 m..............
total..............
21-40 %above 1800 m......0.62280.2200..0.8186
1401-1800 m0.11000.42710.22002.12751.41431.21605.4176
1001-1400 m0.52411.21521.81711.31471.01652.22197.9160
601-1000 m1.92742.12182.72091.61320.71992.421211.3101
to 600 m1.01730.11000.63580.3171..2.11214.1157
total3.51953.81875.31535.91443.3917.813229.667
over 100%above 1800 m........0.11000.11000.271
1401-1800 m..0.1100..0.2710.11000.11000.545
1001-1400 m..0.3580.5450.271..0.5451.526
601-1000 m0.271..0.835..0.6410.8352.420
to 600 m..0.11000.1100....0.4500.641
total0.2710.5451.4270.4500.8351.9235.214
totalabove 1800 m......0.6410.3580.11001.032
1401-1800 m0.11000.5450.2712.3201.5261.3285.913
1001-1400 m0.5451.5262.3211.5261.0322.7199.410
601-1000 m2.1222.1223.5171.6251.3283.21813.78
to 600 m1.0320.2710.7380.358..2.5204.715
total3.7164.3156.7126.3124.1159.71034.75

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170949/157332

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
canton1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG........1.2571.257
AI..1.0541.3451.054..3.221
AR....1.0551.6410.6693.225
BE1.05817.11426.41120.21210.31875.05
BL/BS......1.6492.4394.129
FR..3.7318.6193.7300.77016.812
GE............
GL..1.9433.9293.9290.410010.014
GR13.31628.61030.0109.4196.32387.65
JU....1.2576.2234.32811.715
LU..0.9572.5342.2371.3496.920
NE..0.31001.6442.634..4.525
NW..0.41001.5460.869..2.732
OW..5.2232.2391.9430.41009.714
SG..4.03010.1179.4186.92230.48
SH......0.41000.41000.770
SO....0.41000.8701.1572.340
SZ..2.5367.6193.6300.77014.512
TG....0.31000.6702.1363.030
TI3.93012.61621.81214.01529.71082.04
UR..3.0312.7342.3361.3499.315
VD..4.6287.2224.2304.62820.512
VS10.31829.51018.2137.5217.22172.75
ZG..0.41000.9682.632..3.921
ZH....0.4100..1.1571.449
Switzerland28.511115.75149.75100.3682.96477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170950/157333

NFI4b

forest area: altitudinal vegetation zone · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %±
upper subalpine....0.30.310.41.26.31.46.00.6
lower subalpine3.91.9..20.22.336.32.015.82.224.21.1
upper montane18.43.83.92.742.32.830.61.930.82.731.41.3
lower montane48.64.939.36.826.12.514.61.415.42.121.01.1
colline/submontane29.14.556.86.911.11.88.11.131.82.817.31.0
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 #170951/157334

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine....0.410021.8126.42328.511
lower subalpine1.550..22.31275.7616.014115.55
upper montane6.9230.77146.9864.0731.110149.64
lower montane18.3147.02228.81030.41015.614100.26
colline/submontane11.01810.21812.31716.91432.2982.56
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170952/157335

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %± %±
upper subalpine..1.00.6..14.22.416.02.66.31.46.00.6
lower subalpine2.61.329.02.617.82.740.63.437.13.515.82.224.41.2
upper montane13.62.842.02.937.53.425.03.030.43.330.82.731.41.3
lower montane45.54.019.32.332.13.310.42.111.42.315.42.120.91.1
colline/submontane38.33.98.71.612.62.39.92.15.21.631.82.817.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170953/157336

NFI1

forest area: slope (20% classes) · altitude (400 m classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI1
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..0.1100..0.1100
1001-1400 m..0.5241..0.545
601-1000 m..1.61760.2711.823
to 600 m..0.6228..0.641
total..2.81080.2713.018
Eastern Juraabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..0.2200..0.271
to 600 m..0.2200..0.271
total..0.4400..0.450
Western Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m..0.1100..0.1100
total..0.1100..0.1100
Central Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..0.1100..0.1100
to 600 m..0.1100..0.1100
total..0.2200..0.271
Eastern Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Western Pre-Alpsabove 1800 m........
1401-1800 m........
1001-1400 m..0.1100..0.1100
601-1000 m..0.3300..0.358
to 600 m........
total..0.4400..0.450
Central Pre-Alpsabove 1800 m........
1401-1800 m....0.11000.1100
1001-1400 m..0.33000.11000.450
601-1000 m..0.7199..0.738
to 600 m..0.1100..0.1100
total..1.11580.2711.328
Eastern Pre-Alpsabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..0.4141..0.450
to 600 m..0.3300..0.358
total..0.7328..0.738
Northwestern Alpsabove 1800 m........
1401-1800 m..0.4271..0.450
1001-1400 m..0.81860.2711.031
601-1000 m..1.1169..1.130
to 600 m....0.11000.1100
total..2.31120.3582.719
Central Alpsabove 1800 m........
1401-1800 m..0.2200..0.271
1001-1400 m..1.0890.4501.426
601-1000 m..0.82150.5441.327
to 600 m..0.31710.11000.450
total..2.41601.0313.417
Northeastern Alpsabove 1800 m........
1401-1800 m........
1001-1400 m..0.82410.11000.933
601-1000 m..1.52450.3581.823
to 600 m........
total..2.32220.4502.719
Southwestern Alpsabove 1800 m..0.6228..0.641
1401-1800 m..2.12750.2712.320
1001-1400 m..1.31470.2711.526
601-1000 m..1.6132..1.625
to 600 m..0.3171..0.358
total..5.91440.4506.312
Southeastern Alpsabove 1800 m..0.22000.11000.358
1401-1800 m..1.41430.11001.526
1001-1400 m..1.0165..1.032
601-1000 m..0.71990.6411.328
to 600 m........
total..3.3910.8354.115
Southern Alpsabove 1800 m....0.11000.1100
1401-1800 m..1.21600.11001.328
1001-1400 m..2.22190.5452.719
601-1000 m..2.42120.8353.218
to 600 m..2.11210.4502.520
total..7.81321.9239.710
Switzerlandabove 1800 m..0.81860.2711.032
1401-1800 m..5.41760.5455.913
1001-1400 m..8.01601.5269.510
601-1000 m..11.41012.42013.88
to 600 m..4.11570.6414.715
total..29.7675.21434.95

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170954/157337

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpine..1.158..10.31810.9176.42328.711
lower subalpine1.45031.41012.61629.51025.31116.014116.25
upper montane7.52245.4826.61018.21320.71231.110149.64
lower montane25.01220.91322.8117.5217.72115.61499.66
colline/submontane21.1139.4199.0197.2213.53132.2982.36
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170955/157338

NFI4b

forest area: altitudinal vegetation zone · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region %± %± %± %± %± %±
Western Jura..4.52.221.44.450.55.323.64.5100.0.
Eastern Jura......35.712.864.312.8100.0.
Western Plateau....8.48.157.814.333.713.7100.0.
Central Plateau......45.510.654.510.6100.0.
Eastern Plateau....5.95.717.69.376.510.3100.0.
Western Pre-Alps..29.45.550.06.110.33.710.23.7100.0.
Central Pre-Alps0.80.820.93.641.94.427.94.08.52.5100.0.
Eastern Pre-Alps..13.63.338.24.633.64.514.53.4100.0.
Northwestern Alps1.91.438.84.836.94.814.63.57.82.6100.0.
Central Alps..27.07.335.37.921.66.816.26.1100.0.
Northeastern Alps..19.05.237.96.436.26.36.93.3100.0.
Southwestern Alps14.22.440.63.425.03.010.42.19.92.1100.0.
Southeastern Alps16.02.637.13.530.43.311.42.35.21.6100.0.
Southern Alps6.31.415.82.230.82.715.42.131.82.8100.0.
Switzerland6.00.624.31.131.51.321.01.117.31.0100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #170956/157339

NFI4b

forest area: altitudinal vegetation zone · 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 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura..1.4506.82316.0147.52131.810
Eastern Jura......2.0443.6325.525
Western Plateau....0.41002.8371.6494.928
Central Plateau......3.1313.7286.820
Eastern Plateau....0.41001.1584.6276.124
Western Pre-Alps..7.42112.6152.6372.63725.29
Central Pre-Alps0.41009.71819.41212.9163.93046.37
Eastern Pre-Alps..5.42515.01413.2155.72439.37
Northwestern Alps0.77114.31413.6155.4252.93536.87
Central Alps..3.4304.5262.7342.14012.713
Northeastern Alps..3.9297.9197.5201.44920.810
Southwestern Alps10.31829.51018.2137.5217.22172.75
Southeastern Alps10.91725.31120.7127.7213.53168.25
Southern Alps6.42316.01431.11015.61432.29101.34
Switzerland28.711116.35150.54100.2682.56478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170957/157340

NFI2

forest area: degree of mixture · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a......0.4100..0.41000.771
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total......0.4100..0.41000.771
pure conifer forestn/a..............
crowded....2.1410.3100....2.538
normal....1.4502.4371.1581.1585.924
loose0.771..1.4501.7440.41000.7714.927
open....0.7710.31000.41000.41001.845
scattered......0.3100..0.41000.771
grouped crowded....0.4100......0.4100
grouped normal..............
heterogeneous..............
total0.771..6.0245.1251.8442.53816.215
mixed conifer forestn/a..............
crowded....1.158....0.41001.450
normal..0.41000.41000.31000.4100..1.450
loose0.4100....0.3100....0.771
open..............
scattered0.4100..0.4100......0.771
grouped crowded..............
grouped normal....0.4100......0.4100
heterogeneous..............
total0.7710.41002.1410.7710.41000.41004.628
mixed broadleaf forestn/a..............
crowded....1.1580.3100..0.41001.845
normal0.771..0.4100......1.158
loose..............
open....0.4100......0.4100
scattered..........0.41000.4100
grouped crowded..............
grouped normal..............
heterogeneous..............
total0.771..1.8450.3100..0.7713.532
pure broadleaf forestn/a..............
crowded0.41000.41001.8450.771..3.2336.423
normal0.771..1.450....1.4503.632
loose......0.771..0.41001.058
open....0.41000.3100..1.1581.845
scattered..........0.41000.4100
grouped crowded..............
grouped normal..............
heterogeneous..............
total1.1580.41003.5311.744..6.42313.116
totaln/a......0.4100..0.41000.771
crowded0.41000.41006.0241.450..3.93012.017
normal1.4500.41003.5312.7351.4502.53812.017
loose1.158..1.4502.7350.41001.1586.723
open....1.4500.7710.41001.4503.930
scattered0.4100..0.41000.3100..1.1582.141
grouped crowded....0.4100......0.4100
grouped normal....0.4100......0.4100
heterogeneous..............
total3.2330.77113.5168.2202.14110.31838.19

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170958/157341

NFI4b

forest area: slope (20% classes) · 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 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %± %±
to 20%1.91.312.73.75.81.00.50.52.61.31.00.63.80.5
21-40 %97.214.987.316.389.87.194.311.694.812.690.79.591.64.4
over 100%0.90.9..4.30.95.21.62.61.38.21.64.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170959/157342

NFI4b

forest area: slope (20% 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 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%0.7713.53111.0180.31001.4501.15818.114
21-40 %37.110924.4130169.33761.96351.27593.751437.623
over 100%0.4100..8.2213.4311.4508.52021.813
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170960/157343

NFI4b

forest area: slope (20% classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
slope (20% classes)
to 20%21-40 %over 100%total
canton %± %± %± %±
AG..100.082.0..100.0.
AI10.09.880.048.310.09.8100.0.
AR10.09.790.040.5..100.0.
BE4.61.491.310.94.11.3100.0.
BL/BS10.09.690.043.0..100.0.
FR15.65.482.221.32.22.2100.0.
GE........
GL3.83.892.326.03.83.8100.0.
GR2.00.992.89.75.21.4100.0.
JU..100.027.5..100.0.
LU13.67.386.431.8..100.0.
NE..100.036.5..100.0.
NW..85.750.014.313.5100.0.
OW7.75.388.530.03.83.8100.0.
SG6.02.690.517.93.62.0100.0.
SH..100.0...100.0.
SO16.715.383.365.2..100.0.
SZ7.54.290.025.82.52.5100.0.
TG10.09.590.031.5..100.0.
TI1.30.891.310.87.41.7100.0.
UR4.03.988.826.67.14.9100.0.
VD7.43.688.921.73.72.6100.0.
VS0.50.594.811.14.71.5100.0.
ZG11.110.888.930.4..100.0.
ZH..100.050.1..100.0.
Switzerland3.80.591.64.44.60.6100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #170961/157344

NFI2

forest area: degree of mixture · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
degree of mixture
n/apure conifer forestmixed conifer forestmixed broadleaf forestpure broadleaf foresttotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
AIn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
ARn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
BEn/a............
crowded..0.7710.7710.771..2.141
normal....0.31000.7710.31001.450
loose..0.3100......0.3100
open..0.3100..0.3100..0.771
scattered....0.771....0.771
grouped crowded..0.3100......0.3100
grouped normal............
heterogeneous............
total..1.7451.7451.7450.31005.525
BL/BSn/a............
crowded............
normal............
loose..0.4100......0.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100......0.4100
FRn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GLn/a............
crowded..0.41000.4100..0.8701.549
normal..0.4100....0.41000.870
loose............
open............
scattered............
grouped crowded............
grouped normal....0.4100....0.4100
heterogeneous............
total..0.8700.870..1.2572.736
GRn/a............
crowded........0.31000.3100
normal..1.7450.3100....2.141
loose..0.771......0.771
open..0.771....0.31001.058
scattered..0.3100..0.31000.31001.058
grouped crowded............
grouped normal............
heterogeneous............
total..3.5310.31000.31001.0585.226
JUn/a............
crowded........0.41000.4100
normal......0.4100..0.4100
loose....0.4100....0.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.41000.41001.257
LUn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
NEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
NWn/a............
crowded............
normal........0.41000.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total........0.41000.4100
OWn/a............
crowded..0.4100....0.41000.770
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....0.41000.770
SGn/a............
crowded........0.7700.770
normal............
loose..0.4100......0.4100
open........0.41000.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....1.1571.450
SHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
SOn/a............
crowded............
normal........0.41000.4100
loose..0.4100......0.4100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4100....0.41000.870
SZn/a............
crowded......0.4100..0.4100
normal....0.4100..0.41000.770
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.41000.41000.41001.157
TGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
TIn/a0.4100........0.4100
crowded....0.41000.41002.9353.631
normal..0.4100....1.4501.844
loose..0.4100....0.41000.771
open........0.7710.771
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total0.41000.7710.41000.41005.4257.222
URn/a............
crowded..0.770......0.770
normal..1.057......1.057
loose..0.770......0.770
open..0.3100......0.3100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..2.634......2.634
VDn/a............
crowded........0.41000.4100
normal........0.41000.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total........0.8710.871
VSn/a0.4100........0.4100
crowded..0.3100..0.31000.7711.450
normal..2.4370.3100....2.735
loose..1.7440.3100..0.7712.735
open..0.3100....0.31000.771
scattered..0.3100......0.3100
grouped crowded............
grouped normal............
heterogeneous............
total0.41005.1250.7710.31001.7448.220
ZGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
ZHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Switzerlandn/a0.771........0.771
crowded..2.4381.4501.7456.52312.217
normal..5.9241.4501.1583.73212.017
loose..4.9270.771..1.0586.723
open..1.745..0.31001.8453.830
scattered..0.7710.7710.31000.31002.141
grouped crowded..0.3100......0.3100
grouped normal....0.4100....0.4100
heterogeneous............
total0.77116.0154.6283.53213.41638.29

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170962/157345

NFI4b

forest area: slope (20% 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 2009/13
slope (20% classes)
to 20%21-40 %over 100%total
canton1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG..1.2300..1.257
AI0.31002.63140.31003.221
AR0.31002.9196..3.225
BE3.43168.5603.13375.05
BL/BS0.41003.7175..4.129
FR2.63713.81640.410016.812
GE........
GL0.41009.21060.410010.014
GR1.74581.3604.52787.65
JU..11.7199..11.715
LU0.9576.0230..6.920
NE..4.5143..4.525
NW..2.32240.41002.732
OW0.7708.62070.41009.714
SG1.84427.5911.15730.48
SH..0.770..0.770
SO0.41001.9370..2.340
SZ1.15713.01360.410014.512
TG0.31002.792..3.030
TI1.15874.9566.02482.04
UR0.41008.32200.7709.315
VD1.55018.21220.87120.512
VS0.310068.9593.43172.75
ZG0.41003.4100..3.921
ZH..1.4141..1.449
Switzerland18.214437.12321.813477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170963/157346

NFI4b

forest area: slope (20% classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %±
to 20%2.91.715.75.18.81.61.70.51.00.63.80.5
21-40 %96.115.184.319.587.38.994.26.590.69.591.64.4
over 100%1.01.0..3.91.14.10.88.31.64.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170964/157347

NFI4b

forest area: slope (20% 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 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%1.1582.8359.7193.5321.15818.214
21-40 %36.111115.119196.653196.83691.851436.423
over 100%0.4100..4.3298.6208.42021.813
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170965/157348

NFI4b

forest area: slope (20% classes) · 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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
slope (20% classes) %± %± %± %± %± %± %±
to 20%7.12.16.31.45.91.60.50.52.61.11.00.63.80.5
21-40 %92.212.189.39.390.311.594.811.194.311.290.69.591.64.4
over 100%0.60.64.31.23.91.34.71.53.11.28.31.64.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170966/157349

NFI4b

forest area: slope (20% 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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
slope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%3.9306.9234.2290.31001.8451.15818.114
21-40 %50.89596.65064.05868.95964.36691.851436.523
over 100%0.41004.7272.8353.4312.1418.42021.813
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170967/157350

NFI2

forest area: degree of mixture · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a......0.41000.41000.771
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total......0.41000.41000.771
pure conifer forestn/a............
crowded....0.41002.141..2.438
normal......4.8271.1585.924
loose0.771....3.5310.7714.927
open....0.41001.0580.41001.845
scattered......0.31000.41000.771
grouped crowded......0.3100..0.3100
grouped normal............
heterogeneous............
total0.771..0.77112.1172.53816.015
mixed conifer forestn/a............
crowded......1.0580.41001.450
normal..0.4100..1.058..1.450
loose0.4100....0.3100..0.771
open............
scattered0.4100....0.3100..0.771
grouped crowded............
grouped normal......0.3100..0.3100
heterogeneous............
total0.7710.4100..3.1330.41004.528
mixed broadleaf forestn/a............
crowded....0.41001.0580.41001.845
normal0.771....0.3100..1.158
loose............
open....0.4100....0.4100
scattered........0.41000.4100
grouped crowded............
grouped normal............
heterogeneous............
total0.771..0.7711.4500.7713.532
pure broadleaf forestn/a............
crowded0.4100..1.1581.7453.2336.423
normal0.771..0.41001.0581.4503.532
loose......0.7710.41001.058
open......0.7711.1581.845
scattered........0.41000.4100
grouped crowded............
grouped normal............
heterogeneous............
total1.158..1.4504.1296.42313.116
totaln/a......0.41000.41000.771
crowded0.4100..1.8455.9243.93011.917
normal1.5500.41000.41007.3222.53811.917
loose1.158....4.5281.1586.723
open....0.7711.7451.4503.930
scattered0.4100....0.7711.1582.141
grouped crowded......0.3100..0.3100
grouped normal......0.3100..0.3100
heterogeneous............
total3.3330.41002.93521.11210.31837.99

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170968/157351
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