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NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jurano treatment........1.4501.450
tending............
thinning....0.4100....0.4100
establishment cut0.771..0.4100....1.158
removal cut......0.4100..0.4100
plentering..0.41000.4100....0.771
thinning of mountain forest..0.4100..0.4100..0.771
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.7710.7711.1580.7711.4504.627
Eastern Jurano treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
Western Plateauno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
Central Plateauno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
Eastern Plateauno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
Western Pre-Alpsno treatment........0.41000.4100
tending....0.7700.4100..1.157
thinning....0.7700.4100..1.157
establishment cut............
removal cut............
plentering............
thinning of mountain forest......0.770..0.770
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total....1.5491.5490.41003.333
Central Pre-Alpsno treatment........1.8441.844
tending............
thinning..0.771......0.771
establishment cut............
removal cut............
plentering....0.4100....0.4100
thinning of mountain forest0.41000.7711.4501.845..4.328
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41001.4501.8441.8451.8447.222
Eastern Pre-Alpsno treatment........0.41000.4100
tending..0.4100......0.4100
thinning....0.4100....0.4100
establishment cut0.4100....0.4100..0.771
removal cut............
plentering....0.4100....0.4100
thinning of mountain forest......0.771..0.771
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.41000.7711.1570.41002.935
Northwestern Alpsno treatment........2.5372.537
tending0.4100....0.4100..0.771
thinning....0.41000.771..1.157
establishment cut0.4100....0.4100..0.771
removal cut....0.771....0.771
plentering............
thinning of mountain forest..1.1571.1572.935..5.026
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.7711.1572.1404.3282.53710.717
Central Alpsno treatment........1.4501.450
tending..0.3100..0.3100..0.770
thinning......0.3100..0.3100
establishment cut............
removal cut......0.770..0.770
plentering............
thinning of mountain forest0.3100..0.7701.744..2.734
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.31000.31000.7703.1321.4505.923
Northeastern Alpsno treatment........1.8441.844
tending............
thinning..0.4100......0.4100
establishment cut0.4100........0.4100
removal cut0.4100........0.4100
plentering......0.4100..0.4100
thinning of mountain forest..1.4491.1570.770..3.232
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.7701.8441.1571.1571.8446.422
Southwestern Alpsno treatment........10.31810.318
tending....0.3100....0.3100
thinning..0.3100..0.771..1.058
establishment cut..1.4501.0581.058..3.431
removal cut......0.3100..0.3100
plentering............
thinning of mountain forest0.31002.7353.1333.431..9.618
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.31004.5274.5275.52510.31825.011
Southeastern Alpsno treatment........10.91710.917
tending......1.158..1.158
thinning....0.41000.4100..0.771
establishment cut1.1580.7710.7710.771..3.233
removal cut............
plentering............
thinning of mountain forest..0.7711.1580.771..2.538
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.1581.4502.1412.83510.91718.313
Southern Alpsno treatment........8.2208.220
tending............
thinning............
establishment cut..0.4100......0.4100
removal cut..0.4100......0.4100
plentering............
thinning of mountain forest0.41001.4501.1581.845..4.627
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......0.4100..0.4100
total0.41002.1411.1582.1418.22013.815
Switzerlandno treatment........39.0939.09
tending0.41000.7711.1582.141..4.329
thinning..1.4502.2412.538..6.024
establishment cut2.8352.4382.1412.438..9.819
removal cut0.41000.41000.7711.450..2.835
plentering..0.41001.1580.4100..1.845
thinning of mountain forest1.4508.4209.51914.815..34.110
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......0.4100..0.4100
total5.02713.71616.61423.91239.0998.26

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169743/156126

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned %± %± %± %± %± %±
inside perimeter49.54.931.46.513.41.927.11.822.12.524.81.2
outside perimeter50.54.968.66.586.61.972.91.877.92.575.21.2
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 #169744/156127

NFI4b

forest area: degree of mixture · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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....1.4500.7710.771..2.835
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total....1.4500.7710.771..2.835
pure conifer forestn/a..............
crowded....4.6283.4310.7711.84510.518
normal0.4100..4.6283.4311.8441.84512.017
loose0.4100..2.5383.8301.8441.1589.419
open....2.5384.1283.2333.23313.016
scattered....1.1581.4500.7710.7713.930
grouped crowded....0.7710.31001.1580.41002.538
grouped normal....1.8450.7713.2331.8457.422
heterogeneous....0.41003.8300.7711.4506.223
total0.771..18.11420.91213.11612.11764.97
mixed conifer forestn/a..............
crowded1.450..3.2330.771....5.326
normal0.771..2.538..0.4100..3.632
loose0.4100..1.158......1.450
open0.4100..1.8450.3100....2.538
scattered....1.158..0.4100..1.450
grouped crowded....0.4100......0.4100
grouped normal0.4100..0.771......1.158
heterogeneous0.4100..0.771......1.158
total3.631..11.4171.0580.771..16.714
mixed broadleaf forestn/a..............
crowded....2.538..0.771..3.233
normal....0.4100....0.41000.771
loose....0.4100......0.4100
open0.4100..0.4100......0.771
scattered..........0.41000.4100
grouped crowded....0.771......0.771
grouped normal....0.4100......0.4100
heterogeneous..............
total0.4100..4.628..0.7710.7716.423
pure broadleaf forestn/a..............
crowded....1.450....0.7712.141
normal....1.158..0.41000.41001.845
loose....0.4100....0.41000.771
open....0.41000.3100....0.771
scattered....0.7710.3100....1.158
grouped crowded....0.4100......0.4100
grouped normal..........0.41000.4100
heterogeneous....0.4100......0.4100
total....4.6280.7710.41001.8457.422
totaln/a....1.4500.7710.771..2.835
crowded1.450..11.7174.1281.4502.53821.113
normal1.158..8.5203.4312.5382.53818.014
loose0.771..4.3293.8301.8441.45011.917
open0.771..5.0274.8263.2333.23316.914
scattered....2.8351.7441.1581.1586.723
grouped crowded....2.1410.31001.1580.41003.930
grouped normal0.4100..2.8350.7713.2332.1419.219
heterogeneous0.4100..1.4503.8300.7711.4507.721
total4.727..40.1923.31115.61414.61598.26

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169745/156128

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter18.6135.62514.81556.7722.312118.15
outside perimeter19.01312.31795.95152.2478.95358.33
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169746/156129

NFI4b

forest area: degree of mixture · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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....0.3100....0.3100
normal............
loose..0.669......0.669
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.6690.3100....1.054
ARn/a............
crowded............
normal..0.3100......0.3100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.3100......0.3100
BEn/a1.058........1.058
crowded..1.0581.4500.771..3.133
normal..1.7450.3100..0.31002.438
loose..0.31000.771....1.058
open..1.4500.771..0.41002.438
scattered..0.3100....0.31000.771
grouped crowded......0.31000.31000.771
grouped normal..1.4501.058....2.438
heterogeneous..0.3100....0.31000.771
total1.0586.5234.1291.0581.74514.415
BL/BSn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
FRn/a0.4100........0.4100
crowded..0.4100......0.4100
normal............
loose............
open............
scattered....0.4100....0.4100
grouped crowded............
grouped normal............
heterogeneous............
total0.41000.41000.4100....1.157
GEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GLn/a............
crowded....0.4100..0.8701.257
normal..0.41000.4100....0.870
loose............
open..0.41000.4100....0.771
scattered............
grouped crowded..0.870......0.870
grouped normal..0.4100..0.4100..0.870
heterogeneous............
total..1.9441.2570.41000.8704.228
GRn/a0.771........0.771
crowded..1.450..1.0580.7713.133
normal..2.8350.771..0.7714.229
loose..2.141....0.31002.438
open..4.527......4.527
scattered..1.4500.3100....1.745
grouped crowded..1.058......1.058
grouped normal..3.133......3.133
heterogeneous..1.450......1.450
total0.77117.8131.1581.0581.74522.412
JUn/a............
crowded............
normal....0.4100....0.4100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous....0.4100....0.4100
total....0.870....0.870
LUn/a............
crowded....0.3100....0.3100
normal....0.3100....0.3100
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.670....0.670
NEn/a............
crowded............
normal............
loose..0.3100......0.3100
open....0.31000.3100..0.670
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.31000.31000.3100..1.057
NWn/a............
crowded..0.4100......0.4100
normal............
loose............
open..0.4100......0.4100
scattered............
grouped crowded............
grouped normal............
heterogeneous....0.4100....0.4100
total..0.8690.4100....1.255
OWn/a............
crowded..0.770..0.770..1.549
normal............
loose............
open....0.41000.3100..0.771
scattered....0.3100....0.3100
grouped crowded............
grouped normal............
heterogeneous............
total..0.7700.7711.157..2.537
SGn/a............
crowded..0.41000.7700.4100..1.450
normal..0.4100..0.41000.41001.157
loose..0.4100..0.4100..0.770
open............
scattered..0.4100......0.4100
grouped crowded............
grouped normal............
heterogeneous............
total..1.4500.7701.1570.41003.631
SHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
SOn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
SZn/a............
crowded........0.41000.4100
normal....0.770....0.770
loose....0.4100....0.4100
open..0.41000.4100....0.770
scattered........0.41000.4100
grouped crowded............
grouped normal............
heterogeneous............
total..0.41001.449..0.7702.536
TGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
TIn/a............
crowded..1.450....0.41001.844
normal..0.771..0.41000.41001.450
loose..1.158......1.158
open..1.844......1.844
scattered..0.4100..0.4100..0.771
grouped crowded..0.4100......0.4100
grouped normal..1.450....0.41001.844
heterogeneous..0.771......0.771
total..7.921..0.7711.1589.719
URn/a............
crowded..0.3100......0.3100
normal..1.0570.3100....1.349
loose..0.770....0.31001.057
open............
scattered....0.3100....0.3100
grouped crowded............
grouped normal..0.3100......0.3100
heterogeneous............
total..2.3360.770..0.31003.330
VDn/a............
crowded..0.41001.550....1.944
normal..0.8710.4100....1.158
loose....0.4100....0.4100
open............
scattered............
grouped crowded....0.41000.4100..0.871
grouped normal............
heterogeneous............
total..1.1582.7370.4100..4.230
VSn/a0.771........0.771
crowded..4.1280.7710.3100..5.125
normal..3.830......3.830
loose..3.830......3.830
open..4.1280.3100..0.31004.826
scattered..1.450....0.31001.744
grouped crowded..0.3100......0.3100
grouped normal..0.771......0.771
heterogeneous..3.8300.3100....4.128
total0.77121.9111.4500.31000.77125.011
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/a2.835........2.835
crowded..10.5185.3263.2332.24121.213
normal..11.8173.6320.7711.84517.914
loose..9.3191.4500.41000.77111.717
open..12.9162.5380.7710.77116.714
scattered..3.8301.4500.41001.0586.623
grouped crowded..2.5380.41000.7710.31004.030
grouped normal..7.3221.0580.41000.41009.120
heterogeneous..6.2231.158..0.31007.721
total2.83564.5716.7146.4247.42297.86

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169747/156130

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter43.54.014.02.022.92.934.93.321.63.022.12.524.71.2
outside perimeter56.54.086.02.077.12.965.13.378.43.077.92.575.31.2
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 #169748/156131

NFI4b

forest area: degree of mixture · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....0.7712.141..2.835
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.7712.141..2.835
pure conifer forestn/a............
crowded....1.8457.3221.45010.518
normal0.4100..0.41009.3191.84511.917
loose0.4100..1.4506.6231.1589.419
open....0.7719.0193.23312.916
scattered......3.5310.41003.830
grouped crowded......2.1410.41002.438
grouped normal....0.7714.8271.8457.322
heterogeneous....0.41004.5281.4506.323
total0.771..5.42647.0811.41764.57
mixed conifer forestn/a............
crowded1.550..1.1582.835..5.326
normal0.771..0.41002.438..3.532
loose0.4100..0.41000.771..1.450
open0.4100..0.7711.450..2.538
scattered....0.7710.771..1.450
grouped crowded......0.3100..0.3100
grouped normal0.4100..0.41000.3100..1.158
heterogeneous0.4100..0.41000.3100..1.158
total3.631..4.0309.019..16.614
mixed broadleaf forestn/a............
crowded....1.1582.141..3.233
normal......0.31000.41000.771
loose......0.3100..0.3100
open0.4100....0.4100..0.771
scattered........0.41000.4100
grouped crowded....0.41000.3100..0.771
grouped normal......0.3100..0.3100
heterogeneous............
total0.4100..1.4503.8300.7716.324
pure broadleaf forestn/a............
crowded....0.41001.0580.7712.141
normal....0.41001.0580.41001.845
loose......0.31000.41000.771
open....0.41000.3100..0.771
scattered....0.41000.771..1.158
grouped crowded......0.3100..0.3100
grouped normal........0.41000.4100
heterogeneous....0.4100....0.4100
total....1.8453.8301.8457.422
totaln/a....0.7712.141..2.835
crowded1.550..4.32913.1162.14121.013
normal1.158..1.15813.1162.53817.814
loose0.771..1.8457.9211.45011.917
open0.771..1.84511.1173.23316.814
scattered....1.1584.8270.7716.623
grouped crowded....0.41003.1330.41003.830
grouped normal0.4100..1.1585.5252.1419.120
heterogeneous0.4100..1.1584.8271.4507.721
total4.727..13.31665.7713.81597.66

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169749/156132

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter24.01215.11516.21425.41014.81522.312117.85
outside perimeter31.11093.0554.7647.3753.4778.95358.63
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169750/156133

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region %± %± %±
Western Jura46.05.354.05.3100.0.
Eastern Jura71.412.128.612.1100.0.
Western Plateau16.910.983.110.9100.0.
Central Plateau40.910.559.110.5100.0.
Eastern Plateau29.411.170.611.0100.0.
Western Pre-Alps13.34.186.74.1100.0.
Central Pre-Alps7.82.492.22.4100.0.
Eastern Pre-Alps20.03.880.03.8100.0.
Northwestern Alps22.34.177.74.1100.0.
Central Alps32.47.767.67.7100.0.
Northeastern Alps22.45.577.65.5100.0.
Southwestern Alps34.93.365.13.3100.0.
Southeastern Alps21.63.078.43.0100.0.
Southern Alps22.12.577.92.5100.0.
Switzerland24.71.275.31.2100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #169751/156134

NFI4b

forest area: degree of mixture · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a..1.450..0.7710.771..2.935
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total..1.450..0.7710.771..2.935
pure conifer forestn/a..............
crowded..2.9350.7714.1281.4501.45010.518
normal0.41002.2412.1413.8301.8451.84511.917
loose0.41000.41001.7443.8302.1411.1589.419
open..1.8450.7714.1283.2333.23313.016
scattered..0.41000.31001.4501.4500.41003.830
grouped crowded....0.7710.31001.1580.41002.438
grouped normal..1.4500.7710.7712.8351.8457.422
heterogeneous..0.4100..3.8300.7711.4506.323
total0.7719.4196.92221.91114.41511.41764.77
mixed conifer forestn/a..............
crowded1.4501.8451.4500.771....5.326
normal0.7710.7711.450..0.771..3.532
loose0.41000.7710.3100......1.450
open0.41001.1580.7710.3100....2.538
scattered..0.7710.3100..0.4100..1.450
grouped crowded..0.4100........0.4100
grouped normal0.41000.771........1.158
heterogeneous0.41000.4100..0.3100....1.158
total3.6326.5234.1281.4501.158..16.614
mixed broadleaf forestn/a..............
crowded..1.4500.31000.31001.158..3.233
normal....0.3100....0.41000.771
loose....0.3100......0.3100
open0.4100..0.4100......0.771
scattered..........0.41000.4100
grouped crowded..0.771........0.771
grouped normal....0.3100......0.3100
heterogeneous..............
total0.41002.2411.7450.31001.1580.7716.424
pure broadleaf forestn/a..............
crowded....1.058..0.41000.7712.141
normal..0.41000.3100..0.7710.41001.845
loose....0.3100....0.41000.771
open..0.4100..0.3100....0.771
scattered..0.41000.31000.3100....1.058
grouped crowded..0.4100........0.4100
grouped normal..........0.41000.4100
heterogeneous..0.4100........0.4100
total..1.8452.1410.7711.1581.8457.422
totaln/a..1.450..0.7710.771..2.935
crowded1.4506.1243.4315.1252.8352.14121.113
normal1.1583.2334.1283.8303.2332.53817.914
loose0.7711.1582.8353.8302.1411.45011.917
open0.7713.2331.8454.8263.2333.23316.914
scattered..1.4501.0581.7441.8450.7716.723
grouped crowded..1.4500.7710.31001.1580.41003.930
grouped normal0.41002.2411.0580.7712.8352.1419.220
heterogeneous0.41001.158..4.1280.7711.4507.721
total4.72821.31214.91525.01118.31313.81598.06

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169752/156135

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura14.61517.11431.810
Eastern Jura4.0301.6495.525
Western Plateau0.8704.1314.928
Central Plateau2.8334.0276.820
Eastern Plateau1.8444.3286.124
Western Pre-Alps3.33221.81025.29
Central Pre-Alps3.63142.7746.37
Eastern Pre-Alps7.92031.4839.37
Northwestern Alps8.22028.6936.87
Central Alps4.1278.61812.713
Northeastern Alps4.72616.11220.810
Southwestern Alps25.41047.3772.75
Southeastern Alps14.81553.4768.25
Southern Alps22.31278.95101.34
Switzerland118.25360.03478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169753/156136

NFI4b

forest area: degree of mixture · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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....1.450....1.450
normal..0.41000.771....1.158
loose..0.41000.4100....0.771
open....0.41000.4100..0.771
scattered............
grouped crowded............
grouped normal....0.4100....0.4100
heterogeneous....0.4100....0.4100
total..0.7713.6310.4100..4.627
Eastern Juran/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Western Plateaun/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Central Plateaun/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Eastern Plateaun/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Western Pre-Alpsn/a0.770........0.770
crowded..0.7700.4100....1.157
normal............
loose............
open........0.41000.4100
scattered....0.4100....0.4100
grouped crowded......0.4100..0.4100
grouped normal....0.4100....0.4100
heterogeneous............
total0.7700.7701.1570.41000.41003.333
Central Pre-Alpsn/a............
crowded..1.1580.41000.771..2.240
normal....0.4100....0.4100
loose..0.41000.4100....0.771
open..0.7710.771....1.450
scattered....0.4100..0.41000.771
grouped crowded............
grouped normal..0.771......0.771
heterogeneous..0.41000.4100..0.41001.158
total..3.2332.5380.7710.7717.222
Eastern Pre-Alpsn/a............
crowded....0.41000.41000.41001.157
normal..0.4100....0.41000.771
loose..1.157......1.157
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..1.4500.41000.41000.7712.935
Northwestern Alpsn/a0.771........0.771
crowded..1.1571.1570.771..2.935
normal..2.1400.4100..0.41002.935
loose....0.4100....0.4100
open..1.1570.4100....1.450
scattered..0.4100......0.4100
grouped crowded....0.41000.41000.41001.157
grouped normal..0.7710.4100....1.157
heterogeneous............
total0.7715.4252.9351.1570.77110.717
Central Alpsn/a............
crowded..0.3100......0.3100
normal..1.0571.057....2.140
loose..0.7700.3100..0.31001.449
open..0.31000.31000.4100..1.158
scattered....0.3100..0.31000.770
grouped crowded............
grouped normal..0.3100......0.3100
heterogeneous............
total..2.7342.1400.41000.7705.923
Northeastern Alpsn/a............
crowded..0.41001.157..0.7702.140
normal..0.7700.41000.4100..1.449
loose......0.4100..0.4100
open..0.41000.4100....0.771
scattered..0.4100......0.4100
grouped crowded..0.770......0.770
grouped normal..0.4100..0.4100..0.770
heterogeneous............
total..2.9351.8441.1570.7706.422
Southwestern Alpsn/a0.771........0.771
crowded..4.1280.7710.3100..5.125
normal..3.830......3.830
loose..3.830......3.830
open..4.1280.3100..0.31004.826
scattered..1.450....0.31001.744
grouped crowded..0.3100......0.3100
grouped normal..0.771......0.771
heterogeneous..3.8300.3100....4.128
total0.77121.9111.4500.31000.77125.011
Southeastern Alpsn/a0.771........0.771
crowded..1.450..1.1580.41002.835
normal..1.8450.771..0.7713.233
loose..2.141......2.141
open..3.233......3.233
scattered..1.4500.4100....1.845
grouped crowded..1.158......1.158
grouped normal..2.835......2.835
heterogeneous..0.771......0.771
total0.77114.4151.1581.1581.15818.313
Southern Alpsn/a............
crowded..1.450....0.7712.141
normal..1.845..0.41000.41002.538
loose..1.158....0.41001.450
open..3.233......3.233
scattered..0.4100..0.4100..0.771
grouped crowded..0.4100......0.4100
grouped normal..1.845....0.41002.141
heterogeneous..1.450......1.450
total..11.417..0.7711.84513.815
Switzerlandn/a2.935........2.935
crowded..10.5185.3263.2332.14121.213
normal..11.9173.5320.7711.84517.914
loose..9.4191.4500.41000.77111.917
open..13.0162.5380.7710.77116.914
scattered..3.8301.4500.41001.0586.723
grouped crowded..2.5380.41000.7710.41003.930
grouped normal..7.4221.1580.41000.41009.220
heterogeneous..6.2231.158..0.41007.721
total2.93564.8716.7146.4247.42298.26

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169754/156137

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter12.33.2..19.61.734.93.424.23.512.82.019.01.1
outside perimeter87.73.2100.0.80.41.765.13.475.83.587.22.081.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169755/156138

NFI4b

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpine0-20%..............
21-40%..............
41-60%....100.0.60.015.550.017.728.617.149.89.8
61-80%......40.015.537.517.171.417.146.39.8
over 80%........12.511.7..3.93.8
total....100.0.100.0.100.0.100.0.100.0.
lower subalpine0-20%....6.94.7......1.91.4
21-40%50.435.4..6.94.710.44.921.19.4..10.63.0
41-60%....17.37.035.87.736.811.126.911.528.84.4
61-80%....41.39.128.27.226.310.139.912.632.74.6
over 80%49.635.4..27.68.325.67.015.88.433.212.225.94.3
total100.0...100.0.100.0.100.0.100.0.100.0.
upper montane0-20%....3.22.2......1.71.2
21-40%....6.33.15.65.4..5.35.15.02.0
41-60%....12.74.211.17.440.012.716.08.515.73.3
61-80%33.319.3..23.85.427.810.626.711.431.510.726.44.0
over 80%66.719.3..53.96.355.611.733.312.247.311.551.24.5
total100.0...100.0.100.0.100.0.100.0.100.0.
lower montane0-20%..............
21-40%..............
41-60%........100.0...4.14.1
61-80%60.021.9..27.810.6......33.49.6
over 80%40.021.9..72.210.6......62.49.9
total100.0...100.0...100.0...100.0.
colline/submontane0-20%..............
21-40%..............
41-60%....50.535.4100.0.100.0...75.021.6
61-80%....49.535.4......25.021.6
over 80%..............
total....100.0.100.0.100.0...100.0.
total0-20%....3.51.7......1.40.7
21-40%7.87.5..5.32.17.43.29.14.32.42.46.11.4
41-60%....13.33.233.85.743.27.522.16.523.62.5
61-80%38.413.5..29.24.329.45.527.36.741.47.731.22.8
over 80%53.813.8..48.64.729.45.520.46.134.17.437.72.9
total100.0...100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169756/156139

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter4.727..36.9922.91113.11613.21690.86
outside perimeter33.51027.911151.5442.8741.0890.04386.72
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169757/156140

NFI4b

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
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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%..............
21-40%..............
41-60%....0.41002.1411.4500.7714.528
61-80%......1.4501.1581.8454.229
over 80%........0.4100..0.4100
total....0.41003.4312.8352.5389.119
lower subalpine0-20%....0.771......0.771
21-40%0.4100..0.7711.4501.450..3.930
41-60%....1.8454.8262.5371.45010.518
61-80%....4.3293.8301.8442.14111.917
over 80%0.4100..2.8353.4311.1581.8459.519
total0.771..10.31813.4156.7225.42536.410
upper montane0-20%....0.771......0.771
21-40%....1.4500.3100..0.41002.141
41-60%....2.8350.7712.1411.1586.723
61-80%0.771..5.3261.7441.4502.14111.318
over 80%1.450..12.1173.4311.8443.23321.913
total2.241..22.3126.2235.3256.82342.79
lower montane0-20%..............
21-40%..............
41-60%........0.4100..0.4100
61-80%1.158..1.845......2.935
over 80%0.771..4.628......5.326
total1.845..6.423..0.4100..8.520
colline/submontane0-20%..............
21-40%..............
41-60%....0.41000.31000.4100..1.158
61-80%....0.4100......0.4100
over 80%..............
total....0.7710.31000.4100..1.450
total0-20%....1.450......1.450
21-40%0.4100..2.1411.7451.4500.41006.024
41-60%....5.3267.9206.7223.23323.212
61-80%1.845..11.7176.8224.2286.12430.611
over 80%2.538..19.5136.8223.2335.02637.010
total4.727..40.1923.31115.61414.61598.26

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169758/156141

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton %± %± %±
AG..100.0.100.0.
AI30.014.970.014.6100.0.
AR10.09.790.09.7100.0.
BE18.72.681.32.6100.0.
BL/BS..100.0.100.0.
FR6.73.793.33.7100.0.
GE......
GL38.59.661.59.6100.0.
GR22.32.677.72.6100.0.
JU6.74.693.34.2100.0.
LU9.16.290.96.1100.0.
NE21.411.078.610.9100.0.
NW42.919.157.119.0100.0.
OW19.27.880.87.8100.0.
SG11.93.588.13.5100.0.
SH..100.0.100.0.
SO..100.0.100.0.
SZ15.05.785.05.7100.0.
TG..100.0.100.0.
TI10.12.089.92.0100.0.
UR32.08.968.08.9100.0.
VD18.65.381.45.3100.0.
VS33.53.266.53.2100.0.
ZG..100.0.100.0.
ZH..100.0.100.0.
Switzerland19.01.181.01.1100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #169759/156142

NFI4b

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantondegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
AG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
AI0-20%............
21-40%............
41-60%............
61-80%..100.0.......66.727.9
over 80%....100.0.....33.328.0
total..100.0.100.0.....100.0.
AR0-20%............
21-40%............
41-60%............
61-80%....100.0.....100.0.
over 80%............
total....100.0.....100.0.
BE0-20%..18.111.64.03.9....7.14.0
21-40%..18.711.912.06.5....12.05.0
41-60%100.0.18.111.68.05.4..100.0.14.45.4
61-80%..27.113.424.08.575.021.7..28.57.0
over 80%..18.111.652.010.025.021.7..38.07.5
total100.0.100.0.100.0.100.0.100.0.100.0.
BL/BS0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
FR0-20%............
21-40%............
41-60%....50.035.5....33.327.3
61-80%....50.035.5..100.0.66.727.3
over 80%............
total....100.0...100.0.100.0.
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%..20.418.3......9.28.8
41-60%..18.616.850.035.7....17.511.3
61-80%..40.722.2......18.311.8
over 80%..20.418.350.035.7100.0...55.015.1
total..100.0.100.0.100.0...100.0.
GR0-20%............
21-40%..14.37.6......4.72.6
41-60%40.015.533.310.333.49.120.017.9100.0.34.55.9
61-80%50.015.838.110.625.98.440.021.9..34.35.9
over 80%10.09.514.37.640.79.540.021.9..26.55.5
total100.0.100.0.100.0.100.0.100.0.100.0.
JU0-20%............
21-40%............
41-60%............
61-80%......100.0...50.035.5
over 80%....100.0.....50.035.5
total....100.0.100.0...100.0.
LU0-20%............
21-40%............
41-60%....50.035.5....50.035.5
61-80%............
over 80%....50.035.5....50.035.5
total....100.0.....100.0.
NE0-20%............
21-40%............
41-60%............
61-80%....50.035.5....33.327.4
over 80%....50.035.5100.0...66.727.3
total....100.0.100.0...100.0.
NW0-20%............
21-40%............
41-60%............
61-80%..100.0.......33.327.8
over 80%....100.0.100.0...66.727.7
total..100.0.100.0.100.0...100.0.
OW0-20%............
21-40%............
41-60%....32.326.9....13.412.5
61-80%..66.727.432.326.9....42.718.9
over 80%..33.327.535.428.0100.0...44.018.9
total..100.0.100.0.100.0...100.0.
SG0-20%............
21-40%............
41-60%............
61-80%....33.319.350.025.1..40.015.5
over 80%....66.719.350.025.1..60.015.5
total....100.0.100.0...100.0.
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
SO0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
SZ0-20%............
21-40%............
41-60%............
61-80%..50.035.6......14.313.3
over 80%..50.035.6100.0.100.0...85.713.2
total..100.0.100.0.100.0...100.0.
TG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
TI0-20%............
21-40%....10.09.5....3.73.6
41-60%40.021.933.513.710.09.5....26.08.5
61-80%60.021.924.912.540.015.5....37.09.3
over 80%..41.514.240.015.5....33.39.1
total100.0.100.0.100.0.....100.0.
UR0-20%....25.021.8....10.09.5
21-40%..20.018.0......10.09.5
41-60%..40.022.0......20.012.7
61-80%....25.021.8....10.09.6
over 80%..40.022.050.025.1100.0...50.015.9
total..100.0.100.0.100.0...100.0.
VD0-20%............
21-40%....11.110.5....9.18.7
41-60%....11.110.5....9.18.7
61-80%....33.315.7....27.313.4
over 80%..100.0.44.416.6100.0...54.515.0
total..100.0.100.0.100.0...100.0.
VS0-20%............
21-40%..9.94.74.84.7....6.93.0
41-60%60.015.534.17.49.56.4..100.0.31.55.4
61-80%40.015.529.27.123.89.3....28.75.3
over 80%..26.86.961.910.6....32.85.5
total100.0.100.0.100.0...100.0.100.0.
ZG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
ZH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
Switzerland0-20%..1.91.31.61.1....1.40.7
21-40%..10.63.05.02.0....6.11.4
41-60%49.89.828.64.415.83.34.04.074.122.123.52.5
61-80%46.39.832.84.626.44.032.89.525.922.131.22.8
over 80%3.93.826.04.351.34.563.19.8..37.82.9
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 #169760/156143

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · 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 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton1000 ha± %1000 ha± %1000 ha± %
AG..1.2571.257
AI1.0542.3303.221
AR0.31002.9283.225
BE14.11560.9675.05
BL/BS..4.1294.129
FR1.15715.71316.812
GE......
GL3.9296.22110.014
GR19.61368.1687.65
JU0.87010.91611.715
LU0.6706.3216.920
NE1.0573.5284.525
NW1.2551.5462.732
OW1.9437.8179.714
SG3.63126.7930.48
SH..0.7700.770
SO..2.3402.340
SZ2.24012.31414.512
TG..3.0303.030
TI8.32073.7582.04
UR3.0316.3209.315
VD3.83116.71420.512
VS24.41148.4772.75
ZG..3.9213.921
ZH..1.4491.449
Switzerland90.46386.72477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169761/156144

NFI4b

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
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%............
over 80%............
total............
AI0-20%............
21-40%............
41-60%............
61-80%..0.669......0.669
over 80%....0.3100....0.3100
total..0.6690.3100....1.054
AR0-20%............
21-40%............
41-60%............
61-80%....0.3100....0.3100
over 80%............
total....0.3100....0.3100
BE0-20%..0.7710.3100....1.058
21-40%..0.7711.058....1.745
41-60%0.31000.7710.771..0.41002.141
61-80%..1.0582.1411.058..4.129
over 80%..0.7714.4270.3100..5.525
total0.31003.8308.5201.4500.410014.415
BL/BS0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
FR0-20%............
21-40%............
41-60%....0.4100....0.4100
61-80%....0.4100..0.41000.770
over 80%............
total....0.770..0.41001.157
GE0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
GL0-20%............
21-40%..0.4100......0.4100
41-60%..0.41000.4100....0.771
61-80%..0.870......0.870
over 80%..0.41000.41001.549..2.339
total..1.9440.8701.549..4.228
GR0-20%............
21-40%..1.058......1.058
41-60%1.4502.4383.2330.31000.41007.721
61-80%1.7452.8352.4380.771..7.721
over 80%0.31001.0583.8300.771..5.924
total3.5317.3219.4191.7450.410022.412
JU0-20%............
21-40%............
41-60%............
61-80%......0.4100..0.4100
over 80%....0.4100....0.4100
total....0.41000.4100..0.870
LU0-20%............
21-40%............
41-60%....0.3100....0.3100
61-80%............
over 80%....0.3100....0.3100
total....0.670....0.670
NE0-20%............
21-40%............
41-60%............
61-80%....0.3100....0.3100
over 80%....0.31000.3100..0.670
total....0.6700.3100..1.057
NW0-20%............
21-40%............
41-60%............
61-80%..0.4100......0.4100
over 80%....0.41000.4100..0.869
total..0.41000.41000.4100..1.255
OW0-20%............
21-40%............
41-60%....0.3100....0.3100
61-80%..0.7700.3100....1.157
over 80%..0.41000.41000.4100..1.157
total..1.1571.1580.4100..2.537
SG0-20%............
21-40%............
41-60%............
61-80%....0.7700.770..1.450
over 80%....1.4500.770..2.240
total....2.2401.450..3.631
SH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
SO0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
SZ0-20%............
21-40%............
41-60%............
61-80%..0.4100......0.4100
over 80%..0.41001.4490.4100..2.240
total..0.7701.4490.4100..2.536
TG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
TI0-20%............
21-40%....0.4100....0.4100
41-60%0.7711.4500.4100....2.538
61-80%1.1581.1581.450....3.631
over 80%..1.8441.450....3.233
total1.8444.3293.631....9.719
UR0-20%....0.3100....0.3100
21-40%..0.3100......0.3100
41-60%..0.770......0.770
61-80%....0.3100....0.3100
over 80%..0.7700.7700.3100..1.743
total..1.7441.3490.3100..3.330
VD0-20%............
21-40%....0.4100....0.4100
41-60%....0.4100....0.4100
61-80%....1.158....1.158
over 80%..0.41001.5500.4100..2.340
total..0.41003.4330.4100..4.230
VS0-20%............
21-40%..1.4500.3100....1.745
41-60%2.1414.8260.771..0.31007.920
61-80%1.4504.1281.744....7.221
over 80%..3.8304.527....8.220
total3.43114.1157.221..0.310025.011
ZG0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
ZH0-20%............
21-40%............
41-60%............
61-80%............
over 80%............
total............
Switzerland0-20%..0.7710.771....1.450
21-40%..3.9302.141....6.024
41-60%4.52810.4186.7230.31001.15823.012
61-80%4.22911.91711.2182.8350.410030.511
over 80%0.31009.51921.7135.526..37.010
total9.11936.31042.498.6201.45097.86

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169762/156145

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · 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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %±
inside perimeter12.63.3..11.41.829.01.812.31.919.01.1
outside perimeter87.43.3100.0.88.61.871.01.887.71.981.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169763/156146

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · 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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter4.727..12.61660.5712.41690.36
outside perimeter32.91017.91498.05148.4488.84386.02
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169764/156147

NFI4b

forest area: altitudinal vegetation zone · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
upper subalpine0-20%............
21-40%............
41-60%....100.0.55.611.728.617.149.99.8
61-80%......38.911.571.417.146.29.8
over 80%......5.65.4..3.83.7
total....100.0.100.0.100.0.100.0.
lower subalpine0-20%......2.51.8..1.91.3
21-40%49.735.4....12.73.8..10.63.0
41-60%....12.511.731.75.226.911.528.84.4
61-80%....75.015.327.85.039.912.632.84.6
over 80%50.335.4..12.511.725.34.933.212.225.94.3
total100.0...100.0.100.0.100.0.100.0.
upper montane0-20%......2.61.8..1.61.1
21-40%....10.06.73.82.25.95.75.02.0
41-60%....25.09.714.13.917.89.315.73.3
61-80%33.319.3..15.08.028.35.129.311.026.44.0
over 80%66.719.3..50.011.251.25.746.912.151.24.5
total100.0...100.0.100.0.100.0.100.0.
lower montane0-20%............
21-40%............
41-60%......7.77.4..4.14.0
61-80%60.021.9..16.715.230.812.8..33.59.6
over 80%40.021.9..83.315.261.513.5..62.59.9
total100.0...100.0.100.0...100.0.
colline/submontane0-20%............
21-40%............
41-60%....49.835.4100.0...74.821.8
61-80%....50.235.4....25.221.8
over 80%............
total....100.0.100.0...100.0.
total0-20%......2.11.0..1.40.7
21-40%7.67.3..5.43.76.91.82.62.56.11.4
41-60%....21.66.825.83.223.26.823.62.5
61-80%38.513.5..29.77.528.93.340.97.931.22.8
over 80%53.913.8..43.38.136.33.533.37.537.72.9
total100.0...100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169765/156148

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter8.42.218.72.319.02.733.53.222.73.012.31.919.01.1
outside perimeter91.62.281.32.381.02.766.53.277.33.087.71.981.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169766/156149
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