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NFI4
volume
rockfall SilvaProtect · main tree species
unit of reference: production region
unit: m³/ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectmain tree species m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± %
n/aspruce115.35119.75232.05147.9535.120139.13
fir80.2764.7790.0811.9196.36156.94
pine10.41412.9114.24416.7135.25011.37
larch1.5385.8162.15932.3936.01512.07
stone pine0.0.0.0.0.21007.5150.4611.815
other conifers1.8444.9270.1560.4300.01002.022
beech108.1495.3556.5914.2188.73768.13
maple14.8813.4911.9134.1174.43410.85
ash13.61128.1812.8183.4209.12915.36
oak14.21419.3111.8302.3303.14110.38
chestnut0.0.0.4920.0.0.48427.8281.826
other broadleaves11.91715.7134.9199.71633.61612.67
total371.82380.12416.63250.73169.68342.11
inside perimeterspruce86.5314.8060.358172.61457.131126.112
fir9.2710.0.36.55625.33413.39620.730
pine35.0550.0.5.79322.23012.19919.828
larch6.3970.0.0.0.39.22826.64430.623
stone pine0.0.0.0.0.0.4.8530.0.2.754
other conifers0.0.0.0.0.5920.4700.0.0.264
beech208.0240.0.212.74041.22228.43160.415
maple14.2520.0.9.7638.5254.4417.920
ash2.7970.0.22.48011.03811.65410.829
oak1.8820.0.0.0.1.0634.8492.137
chestnut0.0.0.0.0.0.1.66245.33013.730
other broadleaves5.8569.308.56311.43545.22320.319
total369.31314.20356.326339.18248.810315.46
outside perimeterspruce69.31385.018219.25211.7383.39169.03
fir98.81178.018113.6725.71013.21950.05
pine14.7317.1402.24011.2140.7486.911
larch0.21004.1692.14252.7740.4932.86
stone pine0.0.0.0.0.41006.9140.01003.114
other conifers3.3752.2540.7600.2560.3970.635
beech165.67122.31186.7721.21151.5957.24
maple23.01320.62916.2109.0112.12310.66
ash20.82254.21814.7124.9156.42110.68
oak2.43910.7301.0371.2297.2183.012
chestnut0.0.0.0.0.0.0.16434.7117.911
other broadleaves8.11812.1375.3139.41026.8912.46
total406.14396.36462.13354.32266.43364.21
totalspruce106.95116.55224.43183.7370.08150.82
fir82.1665.86101.3520.1911.51853.03
pine11.61312.3113.33214.192.5429.86
larch1.3355.6162.03643.7638.4821.04
stone pine0.0.0.0.0.3757.0100.1602.410
other conifers2.0384.7260.4530.3280.2931.419
beech119.7497.6472.5519.5839.7963.52
maple16.2714.0914.087.092.81810.64
ash14.61030.4813.8104.6127.41613.25
oak11.91318.5101.4231.6216.0167.17
chestnut0.0.0.3920.0.0.34933.8104.69
other broadleaves11.21515.4125.1119.6929.7712.85
total377.62381.32438.52311.62242.23350.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #842486/308817
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane0.20.8....0.20.8
colline/submontane-0.40.2....-0.40.2
total-0.40.2....-0.40.2
AIupper subalpine........
lower subalpine1.22.21.80.7-5.90.01.10.9
upper montane2.80.80.30.0-1.71.50.61.0
lower montane1.70.9..1.90.61.80.5
colline/submontane....1.50.21.50.2
total2.10.61.30.60.30.91.20.5
ARupper subalpine........
lower subalpine........
upper montane3.00.6-0.1.1.30.42.30.5
lower montane-0.91.1..1.51.10.10.9
colline/submontane-2.40.3..2.00.8-0.21.1
total0.50.8-0.1.1.50.70.90.5
BEupper subalpine1.30.5-0.10.91.81.10.70.8
lower subalpine0.10.50.51.0-0.10.60.10.4
upper montane-0.50.4-0.50.60.10.3-0.20.2
lower montane-0.60.3-0.81.20.20.2-0.20.2
colline/submontane-1.00.3-3.50.0-0.60.4-0.90.2
total-0.60.2-0.40.50.00.2-0.30.1
BL/BSupper subalpine........
lower subalpine........
upper montane-0.10.0....-0.10.0
lower montane0.60.6..-0.30.60.30.4
colline/submontane-0.80.4..0.21.0-0.60.3
total-0.30.3..-0.10.5-0.30.3
FRupper subalpine........
lower subalpine-0.70.9-0.50.30.01.0-0.40.6
upper montane-1.10.9-4.00.01.10.6-0.10.6
lower montane-0.80.61.8.0.31.3-0.60.5
colline/submontane-0.70.620.4.-0.70.3-0.60.6
total-0.80.3-0.81.30.50.5-0.40.2
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-0.20.9....-0.20.9
total-0.20.9....-0.20.9
GLupper subalpine........
lower subalpine0.90.61.60.80.90.31.10.4
upper montane-0.01.02.81.91.41.01.20.7
lower montane0.21.00.40.6-0.21.10.10.6
colline/submontane....2.72.62.72.6
total0.50.51.40.60.60.70.80.3
GRupper subalpine1.30.42.20.42.00.81.80.4
lower subalpine0.90.30.90.50.50.30.70.2
upper montane1.40.40.30.40.70.40.80.2
lower montane0.30.70.91.21.50.50.90.4
colline/submontane-1.20.5..1.60.6-0.00.5
total0.80.20.80.30.90.20.90.1
JUupper subalpine........
lower subalpine........
upper montane-0.20.85.13.22.20.80.60.7
lower montane0.20.50.61.5-0.20.60.10.4
colline/submontane-0.30.4..0.00.7-0.20.4
total-0.00.32.72.00.10.50.00.2
LUupper subalpine........
lower subalpine0.30.84.80.0-2.21.2-0.40.8
upper montane-1.00.50.40.20.91.0-0.70.4
lower montane-0.20.4..0.90.4-0.10.4
colline/submontane-0.60.4..-0.20.9-0.50.4
total-0.50.21.10.90.10.5-0.40.2
NEupper subalpine........
lower subalpine1.00.6..0.4.0.90.5
upper montane0.90.30.11.4-1.11.00.80.3
lower montane-0.20.51.90.31.81.10.10.5
colline/submontane0.40.6..-1.90.00.00.6
total0.50.21.10.90.10.70.50.2
NWupper subalpine........
lower subalpine2.60.8-1.11.3-1.42.61.21.1
upper montane-2.6.-3.41.9-0.10.5-1.31.1
lower montane0.82.9-0.10.0-2.01.7-0.11.8
colline/submontane2.80.0..-2.40.9-2.01.1
total1.61.5-2.41.5-1.20.7-0.40.7
OWupper subalpine1.00.0..1.40.01.30.1
lower subalpine0.50.90.51.31.20.40.70.5
upper montane-0.90.8-0.22.11.02.3-0.20.9
lower montane1.90.7-0.20.0-1.61.50.30.9
colline/submontane2.54.6..0.11.30.71.3
total0.30.60.21.00.40.70.30.4
SGupper subalpine....1.10.01.10.0
lower subalpine0.90.57.91.60.90.71.00.4
upper montane0.20.91.40.50.20.50.30.4
lower montane-0.00.7-1.01.10.20.6-0.10.4
colline/submontane-1.40.6..-0.70.6-1.00.4
total-0.10.40.20.90.10.3-0.00.2
SHupper subalpine........
lower subalpine........
upper montane........
lower montane1.20.8..2.80.01.30.7
colline/submontane1.10.5..-2.00.01.00.4
total1.10.4..-0.21.61.10.4
SOupper subalpine........
lower subalpine0.30.2....0.30.2
upper montane0.60.8..0.11.10.50.8
lower montane-0.40.51.50.0-0.41.0-0.40.5
colline/submontane-0.20.4..0.80.8-0.10.4
total-0.20.31.50.00.10.6-0.10.3
SZupper subalpine........
lower subalpine1.30.6-1.20.00.81.41.00.6
upper montane-1.00.91.60.5-0.50.8-0.50.6
lower montane2.20.8-0.20.0-0.60.90.80.6
colline/submontane1.50.8..2.61.31.80.7
total0.80.50.60.5-0.20.50.30.3
TGupper subalpine........
lower subalpine........
upper montane....0.6.0.6.
lower montane1.51.0..6.70.21.71.0
colline/submontane-0.90.4..0.51.3-0.80.4
total-0.50.4..0.81.2-0.40.4
TIupper subalpine2.60.61.51.33.10.72.70.5
lower subalpine3.00.81.30.91.50.51.60.4
upper montane0.92.60.70.51.60.41.30.3
lower montane1.40.6..2.10.42.00.3
colline/submontane1.50.7..1.30.31.30.3
total1.70.51.00.51.60.21.60.2
URupper subalpine1.60.02.1...1.90.1
lower subalpine2.01.11.20.2-0.10.81.10.4
upper montane1.21.00.51.20.20.80.60.6
lower montane1.50.40.20.10.91.00.90.6
colline/submontane3.70.0..3.51.83.41.4
total1.70.60.80.60.90.61.10.3
VDupper subalpine1.2.....1.2.
lower subalpine0.60.33.11.01.20.90.90.3
upper montane1.00.40.70.60.90.70.90.3
lower montane-0.90.31.0.1.40.9-0.70.3
colline/submontane0.70.5..-0.20.60.50.4
total0.20.21.30.50.80.40.30.2
VSupper subalpine1.30.61.60.71.40.41.40.3
lower subalpine0.90.80.90.31.10.31.00.2
upper montane1.30.60.90.41.10.61.00.3
lower montane0.40.8..0.70.50.60.4
colline/submontane1.01.35.72.40.30.70.80.6
total1.00.41.00.21.00.21.00.1
ZGupper subalpine........
lower subalpine....-6.50.0-6.50.0
upper montane-2.11.5-0.9.-0.51.2-1.41.0
lower montane1.21.2..1.51.01.40.8
colline/submontane-1.21.0..0.81.1-0.60.9
total-0.90.8-0.9.0.00.8-0.60.6
ZHupper subalpine........
lower subalpine........
upper montane-0.00.8..0.0.0.61.2
lower montane-0.40.4..-0.61.5-0.40.4
colline/submontane-0.30.2..-2.51.0-0.40.2
total-0.40.2..-1.70.9-0.40.2
Switzerlandupper subalpine1.40.31.80.41.90.51.70.3
lower subalpine0.70.21.00.20.60.20.70.1
upper montane0.20.20.40.20.60.20.40.1
lower montane-0.20.1-0.00.50.50.20.00.1
colline/submontane-0.40.12.73.20.20.2-0.30.1
total-0.10.10.70.10.50.10.20.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842487/308818
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane0.80.6....0.80.6
colline/submontane-0.20.2....-0.20.2
total-0.10.1....-0.10.1
AIupper subalpine........
lower subalpine1.92.60.10.2-4.00.00.40.5
upper montane0.90.81.60.0-1.70.6-0.20.6
lower montane2.40.9..1.20.71.70.6
colline/submontane....-0.90.0-0.90.0
total1.50.70.40.4-0.60.50.30.4
ARupper subalpine........
lower subalpine........
upper montane1.11.0-0.00.01.00.91.00.7
lower montane-0.30.9..1.81.00.60.8
colline/submontane-0.30.2..1.90.41.00.5
total0.40.6-0.00.01.60.60.80.5
BEupper subalpine1.80.3-0.80.46.44.80.40.8
lower subalpine0.50.30.30.5-0.00.40.20.3
upper montane-0.10.3-0.20.40.70.20.20.2
lower montane-0.10.2-0.50.70.50.20.20.2
colline/submontane-0.50.2-1.20.0-0.10.3-0.40.2
total-0.20.1-0.20.30.40.10.00.1
BL/BSupper subalpine........
lower subalpine........
upper montane0.80.0....0.80.0
lower montane0.90.6..0.30.30.70.4
colline/submontane0.10.3..0.50.70.10.3
total0.30.2..0.40.30.40.2
FRupper subalpine........
lower subalpine0.30.8-0.00.30.40.90.30.6
upper montane-0.50.7-1.90.01.10.60.30.5
lower montane-0.20.40.2.1.71.40.10.4
colline/submontane-0.30.516.60.0-0.80.2-0.30.5
total-0.20.3-0.10.70.90.40.10.2
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane1.40.8....1.40.8
total1.40.8....1.40.8
GLupper subalpine........
lower subalpine1.00.51.50.6-0.50.40.90.4
upper montane1.20.61.61.12.51.11.70.6
lower montane0.50.4-0.00.6-0.40.8-0.10.4
colline/submontane....-1.61.3-1.61.3
total0.90.30.80.50.20.60.70.3
GRupper subalpine1.10.31.20.51.70.61.40.3
lower subalpine0.70.30.60.40.30.20.50.2
upper montane1.50.30.60.40.50.30.70.2
lower montane0.40.50.61.01.30.40.80.3
colline/submontane-0.40.4..2.80.70.80.5
total0.80.20.70.30.70.20.70.1
JUupper subalpine........
lower subalpine........
upper montane0.60.64.91.81.60.71.00.5
lower montane0.50.40.81.30.60.50.60.3
colline/submontane0.10.4..0.70.50.30.3
total0.40.22.61.60.80.40.50.2
LUupper subalpine........
lower subalpine0.90.83.8.-1.10.90.30.6
upper montane-0.20.41.60.10.91.00.00.4
lower montane0.10.3..1.80.60.30.3
colline/submontane0.20.5..-0.00.50.20.4
total0.10.22.00.50.50.40.20.2
NEupper subalpine........
lower subalpine0.90.7..0.10.00.70.6
upper montane1.00.30.30.4-0.60.70.90.2
lower montane0.20.40.80.40.70.80.30.3
colline/submontane0.20.4..-0.80.00.10.4
total0.70.20.60.30.00.40.60.2
NWupper subalpine........
lower subalpine2.10.9-2.00.9-1.31.70.40.9
upper montane-1.00.0-2.11.00.60.3-0.40.7
lower montane1.22.9-1.5.-1.11.50.11.5
colline/submontane9.1...-1.50.5-0.90.8
total1.71.5-1.90.6-0.50.6-0.10.5
OWupper subalpine3.8...3.30.03.40.1
lower subalpine0.50.70.61.01.30.30.80.4
upper montane-0.80.6-0.61.10.41.4-0.40.6
lower montane1.60.50.50.0-0.61.30.70.7
colline/submontane2.23.0..0.31.70.71.5
total0.20.40.10.70.60.50.30.3
SGupper subalpine....1.30.01.30.0
lower subalpine-0.10.46.21.2-0.00.80.10.4
upper montane0.10.70.41.00.10.40.10.3
lower montane0.50.6-0.00.90.50.40.40.3
colline/submontane-0.40.5..-0.00.6-0.20.4
total0.10.30.40.70.20.20.20.2
SHupper subalpine........
lower subalpine........
upper montane........
lower montane1.20.5..4.00.01.30.5
colline/submontane1.20.4..-1.00.01.10.4
total1.20.3..0.51.51.20.3
SOupper subalpine........
lower subalpine0.50.4....0.50.4
upper montane0.10.7..-0.60.3-0.00.6
lower montane0.30.41.7.0.81.00.40.4
colline/submontane0.10.3..0.30.70.10.3
total0.10.21.7.0.40.50.20.2
SZupper subalpine........
lower subalpine0.00.5-0.30.00.71.00.20.4
upper montane-0.50.61.41.00.40.70.10.4
lower montane1.70.7-0.50.0-0.40.60.60.5
colline/submontane1.91.2..1.50.61.80.9
total0.50.30.70.70.20.40.40.2
TGupper subalpine........
lower subalpine........
upper montane....6.40.06.40.0
lower montane1.70.8..3.35.01.70.8
colline/submontane-0.10.3..0.20.7-0.10.3
total0.20.3..0.60.70.20.3
TIupper subalpine3.21.31.20.82.90.72.70.6
lower subalpine3.20.81.60.81.80.41.90.4
upper montane0.71.51.20.42.30.41.90.3
lower montane1.60.9..2.70.42.60.4
colline/submontane1.30.6..2.30.32.00.3
total1.70.51.40.42.30.22.10.2
URupper subalpine0.10.03.90.0..1.61.3
lower subalpine1.00.90.70.90.50.50.80.5
upper montane2.60.80.30.81.50.51.20.5
lower montane1.80.50.50.02.11.11.70.7
colline/submontane5.70.0..0.91.21.51.2
total1.90.60.60.51.20.51.10.3
VDupper subalpine1.1.....1.1.
lower subalpine0.50.23.31.31.00.60.80.2
upper montane1.30.30.90.51.40.61.20.3
lower montane-0.40.32.8.1.81.2-0.20.3
colline/submontane1.60.5..0.50.51.30.4
total0.50.21.50.51.10.30.60.1
VSupper subalpine1.40.61.70.61.60.31.60.3
lower subalpine0.50.60.90.31.00.20.90.2
upper montane1.30.81.20.41.20.51.20.3
lower montane1.61.0..1.30.51.40.5
colline/submontane-0.40.67.23.91.40.71.00.5
total0.80.31.10.21.20.21.10.1
ZGupper subalpine........
lower subalpine....-4.00.0-4.00.0
upper montane-1.01.2-1.50.0-0.61.0-0.90.7
lower montane4.33.1..0.60.62.11.2
colline/submontane-0.40.8..0.90.7-0.00.7
total0.20.8-1.50.0-0.00.6-0.00.4
ZHupper subalpine........
lower subalpine........
upper montane0.10.6..1.20.00.20.6
lower montane-0.20.3..-0.61.0-0.30.3
colline/submontane-0.20.2..-1.70.7-0.30.2
total-0.20.1..-1.30.6-0.30.1
Switzerlandupper subalpine1.30.31.30.31.80.41.50.2
lower subalpine0.60.10.90.20.50.10.60.1
upper montane0.40.10.50.20.80.10.60.1
lower montane0.20.10.10.30.80.10.40.1
colline/submontane-0.00.15.03.10.60.20.10.1
total0.20.10.70.10.80.10.40.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842488/308819
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane1.30.9....1.30.9
colline/submontane-0.20.4....-0.20.4
total-0.10.4....-0.10.4
AIupper subalpine........
lower subalpine0.42.62.40.2-14.50.00.51.4
upper montane2.61.31.8.-7.72.4-1.82.0
lower montane0.40.8..2.90.71.60.7
colline/submontane....-0.11.5-0.11.5
total1.30.72.20.3-2.21.8-0.21.0
ARupper subalpine........
lower subalpine........
upper montane2.71.11.5.2.10.72.40.8
lower montane-3.92.4..1.61.9-1.81.9
colline/submontane-1.50.1..2.11.20.60.9
total-1.11.61.5.1.81.1-0.01.1
BEupper subalpine1.50.24.11.21.80.22.70.8
lower subalpine0.11.23.11.41.41.31.00.8
upper montane0.20.5-0.31.40.40.50.20.4
lower montane-0.60.54.21.40.40.3-0.10.3
colline/submontane-1.10.522.7.-1.90.9-1.30.5
total-0.50.30.91.10.20.3-0.20.2
BL/BSupper subalpine........
lower subalpine........
upper montane1.50.0....1.50.0
lower montane0.60.4..-1.11.2-0.00.5
colline/submontane-0.70.6..-0.00.8-0.60.6
total-0.30.5..-0.70.9-0.30.4
FRupper subalpine........
lower subalpine3.42.94.00.50.51.61.81.4
upper montane0.81.86.80.21.51.01.30.9
lower montane0.70.91.50.02.61.21.00.8
colline/submontane-0.21.39.8.0.52.3-0.01.2
total0.70.74.10.91.40.71.00.5
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-0.61.2....-0.61.2
total-0.61.2....-0.61.2
GLupper subalpine........
lower subalpine2.01.01.90.72.40.52.00.7
upper montane-3.01.72.61.0-0.61.3-0.51.1
lower montane-6.14.4-0.31.0-0.31.5-2.12.0
colline/submontane....2.12.52.12.5
total-1.51.81.20.6-0.10.9-0.40.9
GRupper subalpine0.80.41.20.52.81.91.91.0
lower subalpine1.50.50.50.70.50.50.90.3
upper montane0.80.60.70.91.30.61.10.4
lower montane-1.51.42.01.41.10.9-0.20.9
colline/submontane-1.20.9..2.01.20.30.8
total0.60.40.70.51.30.40.90.2
JUupper subalpine........
lower subalpine........
upper montane-0.41.15.22.02.00.40.50.9
lower montane-0.10.93.50.4-0.11.2-0.00.7
colline/submontane1.00.7..-1.01.30.30.7
total0.30.54.51.2-0.20.80.20.4
LUupper subalpine........
lower subalpine0.01.26.20.0-4.01.9-0.71.1
upper montane-1.40.7-0.50.10.91.6-1.00.6
lower montane0.20.7..1.11.10.40.7
colline/submontane-1.01.0..0.61.1-0.70.8
total-0.60.41.31.60.20.7-0.40.4
NEupper subalpine........
lower subalpine2.21.0..1.5.2.10.9
upper montane1.10.4-0.82.0-2.82.60.90.4
lower montane-0.20.82.41.5-0.81.3-0.10.7
colline/submontane1.91.2..-2.90.00.91.3
total0.90.41.01.4-1.51.00.70.3
NWupper subalpine........
lower subalpine2.71.1-0.21.05.01.92.60.9
upper montane1.1.5.31.90.80.91.41.0
lower montane-0.52.94.80.00.30.8-0.12.2
colline/submontane-1.10.0..0.71.80.21.3
total1.01.63.01.01.10.71.20.9
OWupper subalpine18.80.0..1.40.02.61.7
lower subalpine0.90.90.52.30.90.90.80.6
upper montane0.31.42.01.61.33.90.81.6
lower montane2.42.3-3.10.01.81.51.81.5
colline/submontane3.42.7..-0.21.40.61.2
total1.10.80.51.41.01.21.00.6
SGupper subalpine....3.90.03.90.0
lower subalpine2.00.65.51.90.60.71.60.5
upper montane0.70.62.10.8-0.00.80.40.5
lower montane-1.61.00.40.90.40.9-0.50.6
colline/submontane-1.10.9..-1.20.6-1.20.5
total-0.40.51.50.6-0.10.4-0.10.3
SHupper subalpine........
lower subalpine........
upper montane........
lower montane-0.11.1..2.10.00.01.1
colline/submontane1.20.7..1.9.1.30.7
total0.80.6..2.00.00.90.6
SOupper subalpine........
lower subalpine0.50.4....0.50.4
upper montane1.00.8..-1.01.30.70.7
lower montane-0.70.92.2.-0.91.2-0.60.8
colline/submontane0.30.6..2.01.40.40.6
total0.00.52.2.0.20.80.10.4
SZupper subalpine........
lower subalpine2.00.7-2.70.10.51.61.20.8
upper montane1.70.71.41.0-1.31.1-0.10.7
lower montane1.90.6-2.00.0-1.11.60.60.8
colline/submontane1.20.3..1.83.01.40.7
total1.80.3-0.10.8-0.80.80.50.4
TGupper subalpine........
lower subalpine........
upper montane....-3.10.0-3.10.0
lower montane0.21.3..-2.54.00.01.3
colline/submontane-0.50.6..-0.31.5-0.50.6
total-0.30.6..-0.71.3-0.40.5
TIupper subalpine1.90.93.83.01.31.71.71.0
lower subalpine2.70.92.31.41.20.81.60.6
upper montane2.71.60.70.51.40.51.30.4
lower montane1.71.3..1.01.11.11.0
colline/submontane1.40.9..1.40.51.40.4
total1.80.51.40.61.30.31.40.3
URupper subalpine1.30.01.30.0..1.30.0
lower subalpine2.51.61.41.11.72.11.80.8
upper montane1.50.72.51.4-0.72.61.40.9
lower montane1.50.42.60.91.81.11.90.7
colline/submontane7.0...5.21.35.31.0
total2.10.72.00.71.91.02.00.5
VDupper subalpine2.4.....2.4.
lower subalpine0.30.52.41.40.41.50.50.5
upper montane1.00.31.31.11.01.11.00.3
lower montane-0.90.72.50.03.01.2-0.50.6
colline/submontane-0.30.9..0.11.0-0.20.7
total-0.10.31.70.80.90.60.20.3
VSupper subalpine2.10.71.00.91.60.81.60.5
lower subalpine0.11.51.00.31.00.40.80.3
upper montane0.20.81.70.61.70.61.50.4
lower montane2.01.6..-0.60.7-0.10.7
colline/submontane1.51.65.12.3-0.31.20.60.9
total0.80.81.30.31.00.31.00.2
ZGupper subalpine........
lower subalpine....0.0.0.0.
upper montane-4.23.0-0.70.0-2.01.5-2.91.7
lower montane-0.32.0..2.52.80.61.8
colline/submontane-1.11.5..1.30.9-0.31.3
total-1.81.4-0.70.0-0.01.3-1.21.0
ZHupper subalpine........
lower subalpine........
upper montane0.61.1..43.0.1.61.7
lower montane-0.40.7..-1.12.3-0.50.7
colline/submontane-0.20.4..-2.53.1-0.20.4
total-0.20.3..-1.52.3-0.30.3
Switzerlandupper subalpine1.30.31.40.52.31.11.80.6
lower subalpine1.10.31.30.30.80.31.00.2
upper montane0.50.21.10.40.70.30.60.1
lower montane-0.40.21.20.50.50.3-0.00.2
colline/submontane-0.20.27.02.4-0.00.3-0.20.2
total0.00.11.20.20.60.10.30.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842489/308820
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane1.30.9....1.30.9
colline/submontane-0.20.4....-0.20.4
total-0.00.4....-0.00.4
AIupper subalpine........
lower subalpine0.42.62.40.2-14.50.00.51.4
upper montane2.01.11.8.-7.72.4-1.71.8
lower montane0.40.8..2.90.71.60.7
colline/submontane....-0.11.5-0.11.5
total1.20.72.20.3-2.21.8-0.21.0
ARupper subalpine........
lower subalpine........
upper montane2.71.11.5.2.10.72.40.8
lower montane-3.92.4..1.61.9-1.81.9
colline/submontane-1.50.1..2.11.20.60.9
total-1.11.61.5.1.81.1-0.01.1
BEupper subalpine2.40.34.11.21.80.22.90.6
lower subalpine0.81.13.01.41.41.31.30.8
upper montane-0.60.8-0.41.40.50.5-0.00.5
lower montane-0.60.54.21.40.40.3-0.10.3
colline/submontane-1.10.522.7.-1.90.9-1.30.5
total-0.60.30.81.10.20.3-0.20.2
BL/BSupper subalpine........
lower subalpine........
upper montane4.92.9....4.92.9
lower montane0.40.4..-1.11.2-0.10.5
colline/submontane-0.70.6..0.10.8-0.60.6
total-0.20.5..-0.60.9-0.30.4
FRupper subalpine....19.70.019.70.0
lower subalpine3.32.94.00.50.71.51.91.4
upper montane1.11.86.80.21.61.01.50.9
lower montane0.80.91.50.02.61.21.10.7
colline/submontane-0.11.39.8.0.52.30.01.2
total0.80.74.10.91.50.71.10.5
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-0.61.3....-0.61.3
total-0.61.3....-0.61.3
GLupper subalpine........
lower subalpine2.00.90.91.22.90.71.80.7
upper montane-2.51.92.61.0-0.61.3-0.41.1
lower montane-6.14.4-0.31.0-0.31.5-2.12.0
colline/submontane....2.12.52.12.5
total-1.31.71.00.6-0.10.9-0.30.9
GRupper subalpine1.20.41.30.52.81.92.00.9
lower subalpine1.70.50.50.70.70.41.10.3
upper montane1.00.60.30.91.30.61.00.4
lower montane-1.61.31.91.31.30.8-0.00.8
colline/submontane-0.90.9..1.91.10.40.8
total0.80.30.60.51.40.41.00.2
JUupper subalpine........
lower subalpine........
upper montane-1.51.45.22.02.00.4-0.51.2
lower montane-0.10.93.50.4-0.11.2-0.00.7
colline/submontane1.10.7..-1.01.30.40.7
total0.00.64.51.2-0.20.80.00.5
LUupper subalpine........
lower subalpine-0.31.16.20.0-3.61.8-0.81.0
upper montane-1.50.7-0.50.10.91.6-1.10.6
lower montane0.20.7..1.11.10.40.7
colline/submontane-1.01.0..0.61.1-0.70.8
total-0.60.41.31.60.20.7-0.40.4
NEupper subalpine........
lower subalpine2.61.0..1.5.2.40.9
upper montane1.20.5-0.82.0-2.82.61.00.4
lower montane-0.20.82.41.5-0.81.3-0.10.7
colline/submontane1.91.2..-2.90.00.91.3
total1.00.41.01.4-1.51.00.70.3
NWupper subalpine........
lower subalpine3.21.1-0.21.05.01.93.00.9
upper montane1.1.5.31.90.80.91.41.0
lower montane-0.52.94.80.00.60.8-0.02.2
colline/submontane-1.10.0..0.71.80.21.3
total1.31.63.01.01.10.71.40.9
OWupper subalpine18.80.0..1.40.02.61.7
lower subalpine1.61.00.52.30.90.81.20.7
upper montane0.31.42.01.61.33.90.81.6
lower montane2.42.3-3.10.01.81.51.81.5
colline/submontane3.42.7..-0.21.40.61.2
total1.40.80.51.41.01.11.20.6
SGupper subalpine....3.90.03.90.0
lower subalpine2.21.05.51.90.80.71.80.7
upper montane1.00.62.10.80.30.80.70.5
lower montane-1.80.90.40.90.50.8-0.50.6
colline/submontane-1.00.9..-1.20.6-1.10.5
total-0.20.51.50.60.10.40.10.3
SHupper subalpine........
lower subalpine........
upper montane........
lower montane-0.11.1..2.10.00.01.1
colline/submontane1.20.7..1.9.1.30.7
total0.80.6..2.00.00.90.6
SOupper subalpine........
lower subalpine0.40.4....0.40.4
upper montane1.00.8..-1.01.30.70.7
lower montane-0.70.92.2.-0.91.2-0.60.7
colline/submontane0.30.6..2.01.40.50.6
total0.10.52.2.0.20.80.10.4
SZupper subalpine........
lower subalpine1.90.7-2.70.10.51.61.20.7
upper montane1.60.71.41.0-0.91.10.10.7
lower montane1.90.6-0.11.4-0.81.60.70.8
colline/submontane1.20.3..-3.64.2-0.31.7
total1.80.30.20.8-0.90.80.50.4
TGupper subalpine........
lower subalpine........
upper montane....-3.10.0-3.10.0
lower montane0.21.3..-2.54.00.01.3
colline/submontane-0.40.7..-0.31.5-0.40.6
total-0.30.6..-0.71.3-0.30.5
TIupper subalpine2.21.04.12.81.51.52.00.9
lower subalpine3.81.02.31.21.40.71.90.6
upper montane3.51.40.80.51.70.51.60.4
lower montane4.22.3..1.11.11.41.0
colline/submontane1.90.8..1.50.51.60.4
total2.60.61.50.51.50.31.60.3
URupper subalpine1.30.01.30.0..1.30.0
lower subalpine2.71.61.41.12.02.11.90.8
upper montane1.80.82.71.4-1.32.11.30.9
lower montane1.90.52.60.91.81.11.90.7
colline/submontane-0.22.7..5.21.32.91.8
total1.80.72.00.71.61.01.80.5
VDupper subalpine3.70.7....3.70.7
lower subalpine0.30.52.41.40.51.50.50.4
upper montane1.00.31.41.11.11.11.10.3
lower montane-1.20.72.50.03.01.2-0.80.6
colline/submontane0.10.9..0.11.00.10.7
total-0.00.31.80.81.00.60.20.3
VSupper subalpine1.90.90.90.91.60.71.50.5
lower subalpine0.61.51.00.31.00.41.00.3
upper montane1.00.91.70.61.80.71.70.4
lower montane2.31.6..-0.60.70.00.7
colline/submontane1.41.45.12.3-0.21.20.70.9
total1.20.71.30.31.00.31.10.2
ZGupper subalpine........
lower subalpine....0.0.0.0.
upper montane-4.23.0-0.70.0-2.01.5-2.91.7
lower montane0.92.1..2.52.81.51.8
colline/submontane-1.11.5..1.30.9-0.31.3
total-1.21.4-0.70.0-0.01.3-0.81.0
ZHupper subalpine........
lower subalpine........
upper montane0.61.1..43.0.1.61.7
lower montane-0.50.7..-1.12.3-0.50.7
colline/submontane-0.20.4..-2.53.1-0.20.4
total-0.20.3..-1.52.3-0.30.3
Switzerlandupper subalpine1.60.41.40.52.41.11.90.6
lower subalpine1.30.31.20.30.90.31.10.2
upper montane0.40.21.00.40.80.20.60.2
lower montane-0.40.21.20.50.50.3-0.00.2
colline/submontane-0.20.27.02.4-0.10.3-0.10.2
total0.10.11.20.20.70.10.40.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842490/308821
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine..1.30.11.60.01.30.61.00.33.30.61.40.3
lower subalpine0.50.30.20.31.20.30.90.80.80.32.80.60.70.2
upper montane0.40.2-0.60.30.30.51.30.61.30.41.71.30.20.2
lower montane-0.40.2-0.30.30.50.40.40.80.30.71.50.6-0.20.1
colline/submontane-0.50.10.40.60.00.61.01.3-1.30.51.40.6-0.50.1
total-0.30.1-0.20.20.60.21.00.40.70.21.90.4-0.10.1
inside perimeterupper subalpine..-0.10.92.1.1.60.71.50.43.30.81.80.4
lower subalpine-0.82.91.30.61.50.40.90.30.90.51.40.71.00.2
upper montane1.70.7-0.60.51.20.60.90.40.20.50.60.40.40.2
lower montane1.30.6-0.61.0-0.30.6..0.81.1..-0.00.5
colline/submontane..0.04.3..5.72.4....2.83.2
total1.40.5-0.10.30.80.31.00.20.70.31.10.30.70.1
outside perimeterupper subalpine..1.60.41.10.01.40.42.10.92.20.51.90.5
lower subalpine0.70.20.10.40.50.51.10.30.40.31.40.40.60.2
upper montane0.70.50.40.30.30.41.10.60.40.41.60.40.60.2
lower montane0.10.20.20.30.20.40.70.51.10.52.30.40.50.2
colline/submontane-0.40.3-0.30.40.00.50.30.72.01.11.30.30.20.2
total-0.00.20.20.20.20.21.00.20.70.21.60.20.50.1
totalupper subalpine..1.00.41.60.21.40.31.60.52.70.41.70.3
lower subalpine0.40.30.30.21.00.21.00.20.60.21.60.30.70.1
upper montane0.50.2-0.20.20.40.31.00.30.60.31.40.30.40.1
lower montane-0.30.1-0.10.20.30.30.60.40.60.42.20.30.00.1
colline/submontane-0.50.10.00.30.00.40.80.6-0.50.51.30.2-0.30.1
total-0.30.1-0.00.10.40.11.00.10.70.11.60.10.20.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842491/308822
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine..1.40.20.10.01.40.60.80.33.50.81.30.3
lower subalpine0.40.20.60.20.40.30.50.60.60.33.00.90.60.1
upper montane0.70.2-0.10.30.30.31.30.81.30.31.91.00.40.1
lower montane0.00.10.40.30.90.41.61.00.40.51.61.00.20.1
colline/submontane-0.10.10.70.50.80.5-0.40.6-0.50.51.20.6-0.10.1
total0.00.10.30.10.50.20.80.30.70.21.90.40.20.1
inside perimeterupper subalpine..-0.80.43.90.01.70.60.80.61.90.41.30.3
lower subalpine-0.01.51.00.50.80.50.90.30.50.51.70.60.90.2
upper montane1.80.5-0.20.30.60.51.20.40.70.51.00.30.50.2
lower montane1.50.6-0.70.40.10.5..0.61.0..0.10.3
colline/submontane..2.74.4..7.23.9....5.13.1
total1.60.40.00.20.50.31.10.20.60.31.30.30.70.1
outside perimeterupper subalpine..4.51.41.30.01.60.31.70.72.40.41.80.4
lower subalpine0.60.40.20.30.20.51.00.20.20.21.60.40.50.1
upper montane0.90.40.80.20.40.31.20.50.20.32.10.40.80.1
lower montane0.60.20.70.30.40.31.30.50.80.42.90.40.80.1
colline/submontane0.10.2-0.00.3-0.00.41.40.72.31.12.40.30.70.2
total0.50.10.50.10.30.21.20.20.50.22.30.20.80.1
totalupper subalpine..1.10.61.40.81.60.31.20.42.50.31.50.2
lower subalpine0.40.20.50.20.40.20.90.20.40.21.80.30.60.1
upper montane0.80.20.20.10.40.21.20.30.60.21.80.30.60.1
lower montane0.10.10.50.20.50.21.40.50.60.32.80.40.40.1
colline/submontane-0.10.10.30.30.20.31.00.50.20.52.10.30.10.1
total0.10.10.40.10.40.11.10.10.60.12.10.10.40.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842492/308823
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine..2.50.61.30.02.10.70.70.41.80.61.30.3
lower subalpine0.50.50.60.72.10.40.11.51.50.52.30.91.00.3
upper montane0.60.30.10.40.50.60.20.80.70.62.51.00.50.2
lower montane-0.30.3-0.20.5-1.00.92.01.6-1.51.41.71.3-0.40.2
colline/submontane-0.30.2-0.20.80.50.71.51.6-1.40.91.30.8-0.30.2
total-0.20.10.10.30.30.40.80.80.50.41.80.40.00.1
inside perimeterupper subalpine..4.11.21.3.1.00.90.30.53.41.01.40.5
lower subalpine-2.54.72.41.01.50.61.00.30.50.81.60.91.20.3
upper montane2.90.9-0.11.02.10.51.70.61.11.20.40.61.10.4
lower montane2.20.73.11.40.10.6..2.11.4..1.20.5
colline/submontane..12.62.5..5.12.3....7.02.3
total2.40.71.10.71.40.31.30.30.70.61.10.51.20.2
outside perimeterupper subalpine..1.70.23.90.01.60.82.92.42.11.12.31.2
lower subalpine2.00.40.70.70.60.71.00.40.40.51.30.70.80.3
upper montane1.60.70.40.4-0.40.61.70.61.50.51.40.60.70.3
lower montane0.30.40.50.40.30.6-0.60.70.71.11.21.00.40.3
colline/submontane-0.80.5-0.60.9-0.30.6-0.31.21.91.91.40.4-0.00.3
total0.00.30.40.3-0.00.31.00.31.20.51.40.30.60.1
totalupper subalpine..2.60.52.10.81.60.51.81.22.20.61.80.6
lower subalpine0.50.50.90.51.60.30.80.30.80.31.50.51.00.2
upper montane0.80.20.20.30.30.41.50.41.20.41.20.40.70.1
lower montane-0.20.20.20.3-0.30.5-0.10.7-0.50.91.20.9-0.10.2
colline/submontane-0.40.2-0.30.6-0.00.50.60.9-0.30.91.40.4-0.20.2
total-0.10.10.40.20.30.21.00.20.90.31.40.30.30.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842493/308824
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
Western Juraupper subalpine........
lower subalpine0.50.3-0.01.50.60.40.50.2
upper montane0.80.21.80.51.10.40.90.2
lower montane0.40.21.50.60.50.30.40.2
colline/submontane0.20.2..0.50.40.20.2
total0.50.11.50.40.60.20.50.1
Eastern Juraupper subalpine........
lower subalpine........
upper montane0.8.....0.8.
lower montane1.00.4..0.50.40.90.3
colline/submontane0.10.2..-0.10.50.10.2
total0.30.2..0.20.30.30.1
Western Plateauupper subalpine........
lower subalpine0.20.4....0.20.4
upper montane1.51.3..-3.50.00.91.3
lower montane-0.50.3..3.10.9-0.30.3
colline/submontane0.50.4..-0.40.50.40.3
total-0.00.2..0.80.60.00.2
Central Plateauupper subalpine........
lower subalpine........
upper montane-2.11.0..0.40.6-1.20.9
lower montane-0.40.2..0.00.4-0.30.2
colline/submontane-0.40.2..0.00.4-0.40.2
total-0.40.1..0.00.3-0.40.1
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-0.90.7..6.40.0-0.70.8
lower montane0.30.3..0.71.20.30.3
colline/submontane-0.20.1..0.20.6-0.20.1
total-0.10.1..0.40.6-0.10.1
Western Pre-Alpsupper subalpine........
lower subalpine0.40.50.90.7-0.00.60.20.4
upper montane-0.20.6-0.20.71.00.50.30.3
lower montane0.50.80.2.1.11.30.70.6
colline/submontane-0.60.02.24.0-0.10.7-0.00.6
total0.10.40.20.50.50.30.30.2
Central Pre-Alpsupper subalpine2.10.4-0.20.03.30.01.40.8
lower subalpine0.40.40.70.90.10.40.30.3
upper montane-0.20.3-0.10.50.50.20.10.2
lower montane0.40.3-0.40.50.60.30.40.2
colline/submontane0.50.5..-0.40.40.00.3
total0.10.20.00.40.40.20.20.1
Eastern Pre-Alpsupper subalpine........
lower subalpine0.20.40.00.20.40.60.30.3
upper montane0.10.40.10.70.10.30.10.2
lower montane1.00.5-0.00.90.40.40.60.3
colline/submontane0.50.5..-0.20.50.10.4
total0.40.20.00.50.20.20.30.1
Northwestern Alpsupper subalpine1.10.0-1.3.6.14.40.80.8
lower subalpine0.90.41.30.70.50.50.70.3
upper montane0.70.9-0.40.51.00.60.40.3
lower montane1.32.0-1.50.71.20.70.80.7
colline/submontane1.31.4..1.10.91.20.8
total0.90.4-0.00.40.80.30.70.2
Central Alpsupper subalpine0.10.03.90.0..1.41.2
lower subalpine0.70.70.50.80.40.60.60.5
upper montane0.30.90.70.73.41.41.10.6
lower montane1.20.40.50.01.60.61.30.3
colline/submontane4.40.3..1.20.81.90.8
total0.90.50.60.51.70.51.10.3
Northeastern Alpsupper subalpine....1.30.01.30.0
lower subalpine0.50.52.00.8-0.60.90.40.4
upper montane0.90.40.70.80.20.70.50.4
lower montane0.10.50.10.5-0.20.4-0.10.3
colline/submontane-0.70.0..-0.51.0-0.50.8
total0.50.30.70.5-0.10.30.20.2
Southwestern Alpsupper subalpine1.40.61.70.61.60.31.60.3
lower subalpine0.50.60.90.31.00.20.90.2
upper montane1.30.81.20.41.20.51.20.3
lower montane1.61.0..1.30.51.40.5
colline/submontane-0.40.67.23.91.40.71.00.5
total0.80.31.10.21.20.21.10.1
Southeastern Alpsupper subalpine0.80.30.80.61.70.71.20.4
lower subalpine0.60.30.50.50.20.20.40.2
upper montane1.30.30.70.50.20.30.60.2
lower montane0.40.50.61.00.80.40.60.3
colline/submontane-0.50.5..2.31.10.20.5
total0.70.20.60.30.50.20.60.1
Southern Alpsupper subalpine3.50.81.90.42.40.42.50.3
lower subalpine3.00.91.70.61.60.41.80.3
upper montane1.91.01.00.32.10.41.80.3
lower montane1.61.0..2.90.42.80.4
colline/submontane1.20.6..2.40.32.10.3
total1.90.41.30.32.30.22.10.1
Switzerlandupper subalpine1.30.31.30.31.80.41.50.2
lower subalpine0.60.10.90.20.50.10.60.1
upper montane0.40.10.50.20.80.10.60.1
lower montane0.20.10.10.30.80.10.40.1
colline/submontane-0.00.14.93.10.60.20.10.1
total0.20.00.70.10.70.10.40.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842494/308825
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
Western Juraupper subalpine........
lower subalpine0.60.3-0.82.90.70.20.50.3
upper montane0.50.21.70.71.00.60.60.2
lower montane0.00.21.20.60.10.30.10.2
colline/submontane-0.20.3..0.10.5-0.10.2
total0.20.11.40.50.20.20.30.1
Eastern Juraupper subalpine........
lower subalpine........
upper montane-0.10.0....-0.10.0
lower montane0.80.4..-0.10.60.60.4
colline/submontane-0.30.2..-0.70.7-0.40.2
total-0.10.2..-0.40.5-0.10.2
Western Plateauupper subalpine........
lower subalpine-0.20.5....-0.20.5
upper montane2.72.4..-5.8.1.92.2
lower montane-1.10.3..1.10.9-0.90.3
colline/submontane0.10.4..-1.00.6-0.10.4
total-0.50.2..-0.20.6-0.50.2
Central Plateauupper subalpine........
lower subalpine........
upper montane-2.51.5..0.10.7-1.31.0
lower montane-0.90.3..-0.50.5-0.80.3
colline/submontane-1.00.2..-0.60.6-0.90.2
total-1.00.2..-0.50.4-0.90.1
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-1.81.2..0.60.0-1.71.2
lower montane0.10.4..1.21.50.20.4
colline/submontane-0.60.2..-0.10.9-0.60.2
total-0.40.1..0.20.7-0.40.1
Western Pre-Alpsupper subalpine........
lower subalpine-0.10.60.80.6-0.20.8-0.10.5
upper montane-0.80.8-1.00.90.60.5-0.10.4
lower montane-0.70.91.8.0.11.3-0.30.7
colline/submontane4.30.0-0.43.80.30.80.50.8
total-0.50.5-0.40.70.30.4-0.10.3
Central Pre-Alpsupper subalpine1.20.4-1.1.1.4.0.40.7
lower subalpine-0.10.61.01.30.10.50.10.4
upper montane-0.80.3-0.30.90.10.3-0.40.2
lower montane-0.00.40.50.7-0.00.3-0.00.2
colline/submontane0.50.6..-0.90.5-0.30.4
total-0.30.20.10.6-0.00.2-0.20.1
Eastern Pre-Alpsupper subalpine........
lower subalpine1.00.41.60.60.50.90.80.4
upper montane0.30.60.10.3-0.30.40.00.3
lower montane0.50.5-0.71.20.40.60.40.4
colline/submontane-0.20.7..-0.60.6-0.40.4
total0.40.3-0.10.8-0.10.30.20.2
Northwestern Alpsupper subalpine1.2.2.20.01.81.01.50.2
lower subalpine0.80.51.71.00.30.70.70.4
upper montane0.91.4-0.60.60.40.70.10.5
lower montane-0.50.7-2.31.51.70.50.40.5
colline/submontane-0.11.2..0.80.90.30.8
total0.50.5-0.10.50.60.40.40.3
Central Alpsupper subalpine1.60.02.10.0..1.90.1
lower subalpine2.70.70.80.4-0.20.81.40.4
upper montane-0.11.10.90.92.71.61.00.7
lower montane1.70.60.20.10.60.61.10.4
colline/submontane2.60.1..3.11.33.00.8
total1.50.60.80.51.50.61.30.3
Northeastern Alpsupper subalpine....1.10.01.10.0
lower subalpine0.60.62.31.10.60.90.90.4
upper montane0.60.92.20.91.10.51.30.4
lower montane-0.90.80.10.5-0.30.6-0.30.4
colline/submontane-1.70.0..1.31.00.61.0
total0.20.41.40.50.30.40.50.2
Southwestern Alpsupper subalpine1.30.61.60.71.40.41.40.3
lower subalpine0.90.80.90.31.10.31.00.2
upper montane1.30.60.90.41.10.61.00.3
lower montane0.40.8..0.70.50.60.4
colline/submontane1.01.35.72.40.30.70.80.6
total1.00.41.00.21.00.21.00.1
Southeastern Alpsupper subalpine1.00.31.50.42.10.91.60.5
lower subalpine0.80.30.90.50.40.30.60.2
upper montane1.30.40.20.50.40.40.60.3
lower montane0.30.70.81.11.10.50.60.4
colline/submontane-1.30.5..2.01.1-0.50.5
total0.70.20.70.30.70.20.70.1
Southern Alpsupper subalpine3.30.63.30.82.20.52.70.4
lower subalpine2.80.61.40.71.40.41.60.3
upper montane1.71.30.60.41.60.41.40.3
lower montane1.50.6..2.30.42.20.3
colline/submontane1.40.6..1.30.31.30.2
total1.90.41.10.31.60.21.60.1
Switzerlandupper subalpine1.40.31.80.41.90.51.70.3
lower subalpine0.70.21.00.20.60.20.70.1
upper montane0.20.20.40.20.60.20.40.1
lower montane-0.20.10.00.40.50.20.00.1
colline/submontane-0.40.12.53.20.20.2-0.30.1
total-0.10.10.70.10.50.10.20.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842495/308826
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine....2.00.41.00.33.50.81.30.3
lower subalpine0.50.30.10.40.30.20.70.23.00.90.60.1
upper montane0.80.2-0.30.7-0.10.21.10.31.91.00.40.1
lower montane0.50.2-0.20.20.50.20.70.31.61.00.20.1
colline/submontane0.10.2-0.20.10.50.30.20.41.20.6-0.10.1
total0.40.1-0.20.10.20.10.70.11.90.40.20.0
inside perimeterupper subalpine....-0.2.1.20.41.90.41.30.3
lower subalpine-0.11.5..0.60.50.80.21.70.60.90.2
upper montane1.80.5..-0.10.40.50.21.00.30.50.2
lower montane1.50.6..-0.10.6-0.10.4..0.10.3
colline/submontane....2.64.37.03.7..5.03.0
total1.50.4..0.10.30.70.21.30.30.70.1
outside perimeterupper subalpine....3.30.01.70.42.40.41.80.4
lower subalpine0.60.4..0.10.30.50.21.60.40.50.1
upper montane1.10.4-0.41.20.50.20.60.22.10.40.80.1
lower montane0.50.20.90.40.50.20.70.22.90.40.80.1
colline/submontane0.30.3-0.00.3-0.20.31.20.42.40.30.60.2
total0.60.20.30.20.30.10.70.12.30.20.70.1
totalupper subalpine....1.40.81.40.22.50.31.50.2
lower subalpine0.50.20.10.40.30.20.60.11.80.30.60.1
upper montane0.90.2-0.30.60.10.10.70.11.80.30.60.1
lower montane0.50.1-0.10.10.50.20.60.22.80.40.40.1
colline/submontane0.20.1-0.20.10.00.20.80.32.10.30.10.1
total0.50.1-0.20.10.30.10.70.12.10.10.40.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842496/308827
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine....1.30.41.10.33.30.61.40.3
lower subalpine0.60.3-0.20.50.20.31.00.22.80.60.70.2
upper montane0.50.2-0.41.1-0.50.30.90.41.71.30.20.2
lower montane0.20.2-0.70.2-0.00.30.30.41.50.6-0.20.1
colline/submontane-0.30.2-0.60.10.20.4-0.40.51.40.6-0.50.1
total0.10.1-0.60.1-0.10.20.70.21.90.4-0.10.1
inside perimeterupper subalpine....-1.10.01.60.43.30.81.80.4
lower subalpine-0.92.9..1.00.71.00.21.40.71.00.2
upper montane1.70.7..-0.60.60.50.30.60.40.30.2
lower montane1.20.6..-0.20.9-0.20.5..0.00.4
colline/submontane....-0.14.25.52.3..2.73.1
total1.40.5..-0.10.40.80.21.10.30.70.1
outside perimeterupper subalpine....1.40.01.80.62.20.51.90.5
lower subalpine0.70.2..0.10.40.60.21.40.40.60.2
upper montane1.00.5-1.01.10.10.20.70.31.60.40.60.2
lower montane0.10.30.30.40.10.30.60.32.30.40.50.2
colline/submontane-0.10.4-0.50.4-0.50.41.20.41.30.30.20.2
total0.20.2-0.20.30.00.20.80.11.60.20.50.1
totalupper subalpine....0.50.71.60.32.70.41.70.3
lower subalpine0.50.3-0.20.50.20.20.80.11.60.30.70.1
upper montane0.60.2-0.50.9-0.20.20.70.21.40.30.40.1
lower montane0.20.2-0.60.20.10.20.40.22.20.30.00.1
colline/submontane-0.30.2-0.60.1-0.30.30.50.31.30.2-0.30.1
total0.20.1-0.60.1-0.10.10.80.11.60.10.20.0
© WSL, Swiss National Forest Inventory, 19.06.2020 #842497/308828
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
Western Juraupper subalpine........
lower subalpine0.40.5-2.54.72.00.40.40.5
upper montane0.50.32.90.92.20.70.80.3
lower montane-0.20.42.20.70.00.5-0.10.3
colline/submontane0.70.4..-0.50.90.40.4
total0.30.22.30.70.30.40.40.2
Eastern Juraupper subalpine........
lower subalpine........
upper montane5.23.0....5.23.0
lower montane0.20.5..-0.91.3-0.00.5
colline/submontane-0.20.5..0.50.9-0.10.5
total-0.00.4..-0.40.9-0.10.4
Western Plateauupper subalpine........
lower subalpine0.60.8....0.60.8
upper montane1.60.8..39.2.1.70.8
lower montane-0.40.7..3.51.3-0.10.7
colline/submontane-0.00.7..-1.21.3-0.20.7
total-0.10.5..1.01.0-0.00.4
Central Plateauupper subalpine........
lower subalpine........
upper montane-3.80.7..-0.81.3-1.91.0
lower montane-0.70.6..0.80.6-0.40.5
colline/submontane-1.10.5..-1.81.1-1.20.4
total-0.90.4..-0.80.7-0.90.3
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-0.21.2..-3.1.-0.41.1
lower montane-0.30.5..-0.01.7-0.30.5
colline/submontane-0.20.3..0.21.0-0.20.3
total-0.20.2..0.10.8-0.20.2
Western Pre-Alpsupper subalpine....19.70.019.70.0
lower subalpine2.21.31.31.60.71.21.40.8
upper montane-1.02.0-0.22.70.61.1-0.11.0
lower montane-0.71.11.50.02.30.90.60.8
colline/submontane2.70.012.92.82.60.33.10.5
total0.11.10.71.71.10.70.60.6
Central Pre-Alpsupper subalpine3.01.96.90.01.40.02.91.0
lower subalpine0.31.11.02.40.70.70.50.7
upper montane-0.50.52.11.00.00.5-0.10.3
lower montane0.40.61.62.00.10.50.30.4
colline/submontane0.40.8..-1.41.1-0.50.7
total0.10.31.71.00.00.30.10.2
Eastern Pre-Alpsupper subalpine........
lower subalpine1.80.82.40.20.11.01.20.6
upper montane1.00.70.60.4-0.80.7-0.00.5
lower montane-0.40.90.70.90.30.9-0.00.6
colline/submontane0.10.7..-1.20.7-0.70.5
total0.50.50.90.5-0.50.40.00.3
Northwestern Alpsupper subalpine3.70.41.90.01.80.23.20.4
lower subalpine1.40.74.11.01.11.61.60.8
upper montane2.20.6-1.41.41.40.70.70.6
lower montane-3.61.27.00.51.60.8-0.30.9
colline/submontane-0.91.3..-1.21.7-1.01.1
total0.60.50.81.11.10.80.80.4
Central Alpsupper subalpine1.30.01.3...1.30.0
lower subalpine2.70.80.61.02.02.01.90.6
upper montane0.31.22.31.04.02.82.11.0
lower montane1.31.12.70.71.40.91.50.7
colline/submontane0.61.6..0.52.90.51.8
total1.40.61.70.62.11.21.70.5
Northeastern Alpsupper subalpine....3.90.03.90.0
lower subalpine2.20.91.91.01.70.72.00.6
upper montane-0.71.82.60.7-0.10.80.50.7
lower montane-5.62.4-0.70.9-0.10.8-1.61.1
colline/submontane5.74.3..1.51.12.41.3
total-0.71.31.30.50.20.50.10.5
Southwestern Alpsupper subalpine1.90.90.90.91.60.71.50.5
lower subalpine0.61.51.00.31.00.41.00.3
upper montane1.00.91.70.61.80.71.70.4
lower montane2.31.6..-0.60.70.00.7
colline/submontane1.41.45.12.3-0.21.20.70.9
total1.20.71.30.31.00.31.10.2
Southeastern Alpsupper subalpine1.10.50.50.52.92.31.91.2
lower subalpine1.70.50.60.70.60.51.00.3
upper montane0.90.60.51.21.50.51.10.4
lower montane-1.61.32.01.20.91.0-0.30.8
colline/submontane-1.11.0..1.81.8-0.10.9
total0.70.40.60.61.30.41.00.3
Southern Alpsupper subalpine2.00.63.51.02.31.02.40.6
lower subalpine3.00.91.60.91.60.61.80.5
upper montane2.71.00.40.61.60.61.40.4
lower montane4.32.3..1.31.01.50.9
colline/submontane1.80.8..1.50.41.60.4
total2.40.41.10.41.50.31.60.2
Switzerlandupper subalpine1.60.41.40.52.41.11.90.6
lower subalpine1.30.31.20.30.90.31.10.2
upper montane0.40.21.00.40.80.20.60.2
lower montane-0.40.21.20.50.50.3-0.00.2
colline/submontane-0.20.27.02.4-0.10.3-0.20.2
total0.10.11.20.20.70.10.40.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842498/308829
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine..3.30.61.30.01.90.91.10.52.00.61.60.4
lower subalpine0.50.51.10.72.20.50.61.51.70.53.00.91.30.3
upper montane0.50.3-0.40.60.60.61.00.90.90.62.71.00.40.2
lower montane-0.40.3-0.30.5-1.00.92.31.6-1.61.34.32.3-0.40.2
colline/submontane-0.30.2-0.00.80.30.71.41.4-1.11.01.80.8-0.20.2
total-0.20.10.10.30.40.41.20.70.70.42.40.40.10.1
inside perimeterupper subalpine..4.11.21.3.0.90.90.50.53.51.01.40.5
lower subalpine-2.54.72.41.01.30.71.00.30.60.71.60.91.20.3
upper montane2.90.9-0.21.02.10.51.70.60.51.20.40.61.00.4
lower montane2.20.73.11.40.20.6..2.01.2..1.20.5
colline/submontane..12.62.5..5.12.3....7.02.3
total2.40.71.10.71.30.31.30.30.60.61.10.41.20.2
outside perimeterupper subalpine..3.81.53.90.01.60.72.92.32.31.02.41.1
lower subalpine2.00.40.80.70.80.71.00.40.60.51.60.60.90.3
upper montane1.80.70.50.4-0.20.61.80.71.50.51.60.60.80.2
lower montane0.30.40.50.40.40.6-0.60.70.91.01.31.00.50.2
colline/submontane-0.80.5-0.60.9-0.70.7-0.21.21.81.81.50.4-0.10.3
total0.10.30.50.30.00.31.00.31.30.41.50.30.70.1
totalupper subalpine..3.50.62.10.81.50.51.91.22.40.61.90.6
lower subalpine0.50.41.10.51.70.41.00.31.00.31.80.51.10.2
upper montane0.70.30.10.30.40.41.70.41.10.41.40.40.60.2
lower montane-0.20.20.20.3-0.20.50.00.7-0.30.81.50.9-0.10.2
colline/submontane-0.30.2-0.20.6-0.30.50.70.9-0.10.91.60.4-0.20.2
total-0.10.10.40.20.30.21.10.21.00.31.60.20.40.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842499/308830
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine....2.91.71.20.41.80.61.30.3
lower subalpine0.50.50.50.90.80.71.40.42.30.91.00.3
upper montane0.60.30.40.80.20.40.50.52.51.00.50.2
lower montane-0.10.3-0.40.4-0.10.5-1.81.01.71.3-0.40.2
colline/submontane0.10.3-0.50.20.30.6-0.60.71.30.8-0.30.2
total0.20.2-0.40.20.20.30.40.31.80.40.00.1
inside perimeterupper subalpine....6.9.0.70.53.41.01.30.5
lower subalpine-2.74.7..1.31.31.20.31.60.91.20.3
upper montane2.90.9..0.91.21.10.50.40.61.10.4
lower montane2.20.7..1.10.70.80.8..1.20.5
colline/submontane....12.72.65.02.2..6.92.3
total2.30.7..1.20.71.10.31.10.51.20.2
outside perimeterupper subalpine....1.40.02.51.42.11.12.41.2
lower subalpine2.00.4..0.50.50.80.41.30.70.80.3
upper montane2.10.7-1.21.2-0.30.41.50.41.40.60.70.3
lower montane-0.10.51.30.60.30.50.40.41.21.00.40.3
colline/submontane-0.30.8-1.10.7-0.90.60.80.71.40.4-0.00.3
total0.20.4-0.20.5-0.10.21.10.21.40.30.60.1
totalupper subalpine....2.80.91.70.72.20.61.90.6
lower subalpine0.50.50.50.90.70.41.00.21.50.51.00.2
upper montane0.90.30.10.70.00.31.10.31.20.40.60.2
lower montane-0.10.3-0.20.30.10.3-0.40.51.20.9-0.10.2
colline/submontane0.00.3-0.50.2-0.40.40.30.51.40.4-0.20.2
total0.20.2-0.40.20.10.20.90.21.40.30.30.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842500/308831
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr±
Western Juraupper subalpine........
lower subalpine0.50.5-2.54.72.00.40.50.5
upper montane0.60.32.90.92.00.70.90.3
lower montane-0.20.42.20.70.00.5-0.10.3
colline/submontane0.60.4..-0.50.90.30.4
total0.30.22.30.70.30.40.40.2
Eastern Juraupper subalpine........
lower subalpine........
upper montane1.50.0....1.50.0
lower montane0.30.6..-0.91.30.00.5
colline/submontane-0.30.5..0.50.9-0.20.4
total-0.10.4..-0.40.9-0.20.3
Western Plateauupper subalpine........
lower subalpine0.60.8....0.60.8
upper montane1.60.8..39.2.1.70.8
lower montane-0.20.7..3.51.30.10.7
colline/submontane-0.30.8..-1.21.3-0.40.7
total-0.10.4..1.01.00.00.4
Central Plateauupper subalpine........
lower subalpine........
upper montane-3.80.7..-0.81.3-1.91.0
lower montane-0.70.6..0.80.6-0.40.5
colline/submontane-1.10.5..-1.81.1-1.20.4
total-0.90.4..-0.80.7-0.90.3
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-0.21.2..-3.1.-0.41.1
lower montane-0.20.5..-0.01.7-0.20.5
colline/submontane-0.20.3..0.21.0-0.20.3
total-0.20.2..0.10.8-0.20.2
Western Pre-Alpsupper subalpine........
lower subalpine2.41.51.31.60.61.21.40.8
upper montane0.71.4-0.32.60.51.10.40.8
lower montane-0.81.11.50.02.30.90.60.8
colline/submontane2.70.012.92.82.60.33.10.5
total0.90.80.61.70.90.70.90.5
Central Pre-Alpsupper subalpine3.01.96.90.01.40.02.91.0
lower subalpine-0.31.21.02.40.70.70.20.7
upper montane-0.40.52.11.0-0.00.5-0.10.3
lower montane0.40.61.62.00.10.50.30.4
colline/submontane0.40.8..-1.41.1-0.50.7
total-0.00.41.71.00.00.30.10.2
Eastern Pre-Alpsupper subalpine........
lower subalpine1.60.62.40.20.11.01.00.5
upper montane1.00.70.60.4-1.00.7-0.10.5
lower montane-0.50.90.70.90.21.0-0.10.6
colline/submontane0.10.7..-1.20.7-0.70.5
total0.40.50.90.5-0.60.4-0.10.3
Northwestern Alpsupper subalpine2.4.1.90.01.80.22.50.4
lower subalpine0.60.64.21.01.01.71.30.8
upper montane2.20.5-1.31.51.30.70.60.6
lower montane-3.21.37.00.51.60.90.11.0
colline/submontane-1.71.5..-1.21.7-1.41.1
total0.20.50.91.11.00.80.70.4
Central Alpsupper subalpine1.30.01.3...1.30.0
lower subalpine2.70.80.61.01.62.01.80.6
upper montane0.11.12.30.94.73.22.11.0
lower montane1.21.12.60.91.10.91.30.7
colline/submontane2.50.6..3.71.63.41.0
total1.50.61.60.62.81.11.90.4
Northeastern Alpsupper subalpine....3.90.03.90.0
lower subalpine2.20.92.60.81.30.62.10.6
upper montane-1.61.52.60.7-0.30.80.20.7
lower montane-5.62.4-0.70.9-0.10.8-1.61.1
colline/submontane1.30.0..1.51.11.50.9
total-1.21.31.40.50.10.5-0.00.5
Southwestern Alpsupper subalpine2.10.71.00.91.60.81.60.5
lower subalpine0.11.51.00.31.00.40.80.3
upper montane0.20.81.70.61.70.61.50.4
lower montane2.01.6..-0.60.7-0.10.7
colline/submontane1.51.65.12.3-0.31.20.60.9
total0.80.81.30.31.00.31.00.2
Southeastern Alpsupper subalpine0.70.40.30.52.92.41.81.2
lower subalpine1.50.50.50.80.40.50.80.3
upper montane0.70.61.11.21.50.51.20.4
lower montane-1.51.42.11.40.71.1-0.50.9
colline/submontane-1.40.9..1.91.9-0.30.9
total0.50.40.70.61.20.50.90.3
Southern Alpsupper subalpine1.80.63.41.02.11.12.20.6
lower subalpine2.30.91.60.91.30.71.50.5
upper montane2.51.00.40.61.40.61.20.4
lower montane1.71.3..1.21.01.20.9
colline/submontane1.30.8..1.40.41.40.4
total1.80.41.10.51.40.31.40.3
Switzerlandupper subalpine1.30.31.30.52.31.21.80.6
lower subalpine1.00.31.20.30.80.31.00.2
upper montane0.50.21.10.40.70.30.70.2
lower montane-0.30.21.20.50.40.3-0.00.2
colline/submontane-0.30.27.02.4-0.10.3-0.20.2
total0.00.11.20.20.60.10.30.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842501/308832
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %/yr± %/yr± %/yr± %/yr± %/yr± %/yr±
n/aupper subalpine....2.91.71.50.42.00.61.60.4
lower subalpine0.50.50.50.91.20.71.70.43.00.91.30.3
upper montane0.50.30.40.8-0.20.50.80.52.71.00.40.2
lower montane-0.20.3-0.50.4-0.00.5-1.90.94.32.3-0.40.2
colline/submontane0.20.3-0.40.20.30.6-0.30.71.80.8-0.20.2
total0.20.2-0.40.20.20.30.60.32.40.40.10.1
inside perimeterupper subalpine....6.9.0.70.53.51.01.40.5
lower subalpine-2.74.7..1.31.31.20.31.60.91.20.3
upper montane2.90.9..0.91.20.90.50.40.61.00.4
lower montane2.20.7..1.10.70.90.8..1.20.5
colline/submontane....12.72.65.02.2..6.92.3
total2.30.7..1.20.71.00.31.10.41.10.2
outside perimeterupper subalpine....4.51.92.41.42.31.02.41.1
lower subalpine2.00.4..0.50.50.90.41.60.60.90.3
upper montane2.30.7-1.21.2-0.10.41.50.41.60.60.80.3
lower montane-0.10.51.30.60.30.50.50.41.31.00.50.2
colline/submontane-0.30.8-1.10.7-0.90.60.30.81.50.4-0.10.3
total0.20.4-0.20.50.00.21.10.21.50.30.70.1
totalupper subalpine....3.81.11.80.72.40.61.90.6
lower subalpine0.50.50.50.90.90.41.20.21.80.51.10.2
upper montane0.80.30.10.7-0.10.31.10.31.40.40.60.2
lower montane-0.10.3-0.30.30.20.3-0.40.51.50.9-0.10.2
colline/submontane0.10.3-0.50.2-0.40.40.10.51.60.4-0.20.2
total0.30.2-0.40.20.20.20.90.21.60.20.40.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842502/308833
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %± %± %± %±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane10.97.3....10.97.3
colline/submontane-2.03.7....-2.03.7
total-0.63.4....-0.63.4
AIupper subalpine........
lower subalpine4.125.515.31.2-102.00.04.311.4
upper montane20.910.49.2.-48.415.1-13.114.5
lower montane2.44.5..21.35.110.65.0
colline/submontane....-0.515.2-0.515.2
total10.65.713.41.8-16.613.6-1.37.6
ARupper subalpine........
lower subalpine........
upper montane17.27.210.3.17.76.016.95.3
lower montane-29.618.3..11.313.8-13.214.3
colline/submontane-15.51.5..14.28.35.07.6
total-8.311.610.3.13.38.3-0.18.2
BEupper subalpine17.11.836.310.711.81.423.46.8
lower subalpine0.98.720.29.410.39.56.96.0
upper montane1.54.0-2.310.33.44.11.82.9
lower montane-4.93.733.010.93.23.0-0.62.4
colline/submontane-8.94.5141.6.-14.96.9-10.53.7
total-4.32.46.27.91.42.5-1.21.7
BL/BSupper subalpine........
lower subalpine........
upper montane13.50.0....13.50.0
lower montane4.73.7..-9.410.6-0.04.7
colline/submontane-6.05.5..-0.36.6-5.34.9
total-2.24.0..-5.97.2-3.03.5
FRupper subalpine........
lower subalpine22.719.827.73.73.110.512.49.7
upper montane5.812.441.01.39.86.68.56.3
lower montane5.67.015.00.016.27.87.85.7
colline/submontane-1.310.068.4.3.618.1-0.29.3
total5.25.129.66.79.14.77.03.6
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-5.611.0....-5.611.0
total-5.611.0....-5.611.0
GLupper subalpine........
lower subalpine18.18.714.15.623.34.817.56.1
upper montane-20.811.824.29.9-5.110.5-4.18.9
lower montane-39.828.5-2.18.1-2.212.1-16.215.5
colline/submontane....19.522.519.522.5
total-11.613.910.35.2-0.97.5-2.97.5
GRupper subalpine6.53.110.04.322.815.615.17.9
lower subalpine11.94.24.15.84.23.66.92.5
upper montane6.74.75.66.610.64.68.63.0
lower montane-11.810.613.19.28.17.1-1.46.5
colline/submontane-9.36.8..14.18.42.55.8
total4.72.85.83.710.03.27.51.9
JUupper subalpine........
lower subalpine........
upper montane-3.810.351.720.217.53.74.58.2
lower montane-0.67.531.13.3-0.510.1-0.16.0
colline/submontane8.55.7..-8.311.02.85.4
total2.54.442.811.7-1.76.91.73.7
LUupper subalpine........
lower subalpine0.111.083.80.0-31.115.0-6.89.9
upper montane-11.05.7-2.60.47.813.1-7.85.0
lower montane2.16.3..10.49.63.35.6
colline/submontane-8.68.4..5.69.8-6.47.4
total-4.73.710.113.32.06.3-3.33.2
NEupper subalpine........
lower subalpine19.49.2..12.2.18.37.8
upper montane9.73.8-6.116.1-21.019.38.03.8
lower montane-1.56.819.011.8-6.810.4-0.95.6
colline/submontane15.510.0..-32.30.07.110.8
total7.73.17.811.2-12.18.15.82.9
NWupper subalpine........
lower subalpine23.99.6-2.010.361.523.025.68.7
upper montane7.3.44.016.17.08.011.67.8
lower montane-4.727.032.30.03.07.6-0.720.5
colline/submontane-9.10.0..7.821.52.413.6
total9.014.126.58.911.17.411.38.3
OWupper subalpine239.60.0..16.40.032.120.6
lower subalpine8.48.84.821.07.87.77.65.9
upper montane2.412.320.916.912.737.57.915.2
lower montane21.721.0-21.40.016.013.316.013.0
colline/submontane30.424.5..-2.514.85.511.6
total10.67.14.813.09.110.99.45.7
SGupper subalpine....40.90.040.90.0
lower subalpine14.84.757.519.44.15.212.03.6
upper montane6.15.017.16.5-0.07.03.64.6
lower montane-13.37.83.58.03.27.4-4.05.0
colline/submontane-10.88.3..-9.75.2-10.14.5
total-3.03.912.95.3-0.73.6-0.72.5
SHupper subalpine........
lower subalpine........
upper montane........
lower montane-0.77.8..12.60.00.27.4
colline/submontane9.35.0..13.4.9.44.8
total6.24.3..12.90.36.54.1
SOupper subalpine........
lower subalpine5.14.3....5.14.3
upper montane8.16.5..-10.413.45.95.9
lower montane-5.87.626.1.-8.711.3-5.76.6
colline/submontane2.65.5..19.313.73.85.2
total0.44.026.1.1.88.00.73.7
SZupper subalpine........
lower subalpine18.16.7-25.50.64.314.411.06.9
upper montane16.16.59.47.0-11.19.5-0.56.3
lower montane18.85.7-10.70.0-9.514.25.17.7
colline/submontane12.72.8..13.322.112.86.7
total17.23.1-0.46.0-6.96.84.83.8
TGupper subalpine........
lower subalpine........
upper montane....-15.40.0-15.40.0
lower montane1.611.4..-16.126.20.310.8
colline/submontane-4.05.4..-2.311.2-3.84.9
total-2.84.8..-4.89.8-3.14.4
TIupper subalpine15.97.422.417.98.210.312.07.1
lower subalpine19.06.415.69.28.55.611.34.3
upper montane21.413.25.94.310.43.510.02.8
lower montane10.78.1..7.67.87.97.2
colline/submontane10.96.8..9.93.310.12.9
total13.64.210.34.19.22.59.92.0
URupper subalpine12.20.011.70.0..11.90.2
lower subalpine19.612.49.57.211.714.813.15.9
upper montane13.76.822.612.3-4.114.511.87.1
lower montane14.84.324.08.112.87.915.05.6
colline/submontane33.4...39.99.638.37.1
total17.65.615.95.912.97.015.23.8
VDupper subalpine25.5.....25.5.
lower subalpine2.44.320.611.82.59.34.13.8
upper montane8.43.09.37.66.57.38.12.7
lower montane-8.56.116.00.024.39.4-4.85.7
colline/submontane-2.27.4..0.58.5-1.76.2
total-0.52.813.06.27.04.41.82.3
VSupper subalpine15.24.87.06.412.25.611.53.6
lower subalpine0.411.26.22.27.63.16.02.4
upper montane1.55.812.14.411.84.410.42.8
lower montane15.512.9..-4.55.1-0.45.0
colline/submontane11.111.644.820.5-2.38.04.36.7
total5.65.58.72.06.92.17.21.6
ZGupper subalpine........
lower subalpine....0.0.0.0.
upper montane-36.726.4-7.50.0-19.414.3-26.815.7
lower montane-2.718.8..15.317.74.713.7
colline/submontane-11.215.8..14.29.9-3.313.2
total-17.113.2-7.50.0-0.110.2-10.29.0
ZHupper subalpine........
lower subalpine........
upper montane5.09.5..172.3.12.112.4
lower montane-3.35.5..-13.225.9-3.75.4
colline/submontane-1.33.1..-22.427.3-1.93.2
total-1.82.7..-13.220.8-2.12.7
Switzerlandupper subalpine10.52.510.33.617.78.714.14.6
lower subalpine8.72.49.22.36.02.27.61.4
upper montane3.91.78.12.95.11.95.01.2
lower montane-3.21.99.54.03.92.0-0.41.4
colline/submontane-2.11.555.618.8-0.32.3-1.61.3
total0.30.99.01.64.61.12.60.7
© WSL, Swiss National Forest Inventory, 19.06.2020 #842503/308834
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %± %±
n/aupper subalpine..28.23.336.60.024.612.120.36.665.512.127.75.5
lower subalpine8.95.54.26.522.25.717.715.316.26.750.811.212.93.2
upper montane8.24.0-11.56.06.38.425.212.526.47.931.624.83.43.1
lower montane-6.72.9-4.86.19.17.68.516.76.112.825.810.3-4.22.4
colline/submontane-10.02.07.110.70.911.221.327.5-25.19.727.212.0-8.61.9
total-6.21.4-4.13.410.24.319.77.913.34.136.77.9-1.91.2
inside perimeterupper subalpine..-1.919.543.1.31.614.228.57.862.915.334.67.9
lower subalpine-13.348.825.312.627.47.516.15.017.79.925.211.819.94.0
upper montane33.613.8-11.78.623.110.618.08.14.89.811.97.77.14.2
lower montane22.810.4-11.319.0-4.811.6..14.820.6..-0.28.3
colline/submontane..0.882.4..117.450.7....56.565.1
total26.29.6-1.96.815.26.619.24.214.26.220.76.412.82.7
outside perimeterupper subalpine..32.38.123.90.027.47.942.818.941.98.837.09.1
lower subalpine13.54.42.87.88.09.621.95.28.65.625.67.211.33.4
upper montane12.49.47.14.84.76.721.411.97.27.729.86.911.52.9
lower montane2.44.63.65.94.46.914.19.120.59.542.36.68.72.9
colline/submontane-7.25.6-5.17.60.99.16.013.037.720.623.05.04.03.2
total-0.23.33.93.14.33.920.43.914.64.629.93.110.41.5
totalupper subalpine..21.39.233.94.927.86.132.410.051.67.133.75.2
lower subalpine8.65.35.84.718.94.419.13.812.94.029.15.613.52.1
upper montane9.83.6-3.83.57.94.820.56.612.45.125.65.47.31.9
lower montane-4.72.5-1.14.15.24.712.78.112.58.040.96.10.31.8
colline/submontane-9.71.90.16.20.97.115.712.3-8.610.223.84.6-5.81.6
total-5.11.3-0.32.18.12.619.92.814.02.829.62.73.50.9
© WSL, Swiss National Forest Inventory, 19.06.2020 #842504/308835
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %± %± %± %±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane10.97.3....10.97.3
colline/submontane-1.53.7....-1.53.7
total-0.23.4....-0.23.4
AIupper subalpine........
lower subalpine4.125.515.31.2-102.00.04.311.4
upper montane15.58.69.2.-48.415.1-12.213.1
lower montane2.44.5..21.35.110.65.0
colline/submontane....-0.515.2-0.515.2
total9.05.213.41.8-16.613.6-1.47.2
ARupper subalpine........
lower subalpine........
upper montane17.27.210.3.17.76.016.95.3
lower montane-29.618.3..11.313.8-13.214.3
colline/submontane-15.51.5..14.28.35.07.6
total-8.311.610.3.13.38.3-0.18.2
BEupper subalpine21.13.036.310.711.81.423.75.0
lower subalpine6.28.619.38.810.49.49.25.9
upper montane-4.66.6-2.910.24.44.0-0.23.6
lower montane-4.83.633.010.93.22.9-0.52.4
colline/submontane-9.14.4141.6.-14.96.9-10.63.7
total-4.62.65.87.71.82.5-1.31.8
BL/BSupper subalpine........
lower subalpine........
upper montane34.420.2....34.420.2
lower montane3.33.5..-9.410.6-0.74.4
colline/submontane-5.65.5..0.96.6-4.74.8
total-1.63.8..-5.37.2-2.33.4
FRupper subalpine....59.20.059.20.0
lower subalpine22.419.327.73.74.410.212.99.5
upper montane7.712.741.01.310.76.49.86.2
lower montane6.46.815.00.016.27.88.45.6
colline/submontane-0.710.068.4.3.618.10.39.3
total6.15.029.66.710.24.58.03.5
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-5.011.0....-5.011.0
total-5.011.0....-5.011.0
GLupper subalpine........
lower subalpine18.58.86.78.725.76.015.96.1
upper montane-17.313.024.29.9-5.110.5-3.09.0
lower montane-39.828.5-2.18.1-2.212.1-16.215.5
colline/submontane....19.522.519.522.5
total-10.514.08.55.2-0.77.5-2.77.4
GRupper subalpine9.33.510.54.222.114.615.77.3
lower subalpine13.64.04.45.76.03.58.42.4
upper montane8.04.82.36.910.54.58.23.0
lower montane-12.310.312.07.910.26.4-0.16.1
colline/submontane-7.27.1..13.68.23.35.8
total6.32.74.83.710.73.08.21.8
JUupper subalpine........
lower subalpine........
upper montane-14.513.651.720.217.53.7-4.611.6
lower montane-0.67.531.13.3-0.510.1-0.16.0
colline/submontane9.05.7..-8.311.03.25.4
total0.44.942.811.7-1.76.90.44.0
LUupper subalpine........
lower subalpine-2.410.083.80.0-31.115.0-7.99.3
upper montane-12.25.5-2.60.47.813.1-8.94.8
lower montane2.16.3..10.49.63.35.6
colline/submontane-8.68.4..5.69.8-6.47.4
total-5.33.610.113.32.06.3-3.83.1
NEupper subalpine........
lower subalpine22.89.2..12.2.21.27.9
upper montane10.34.0-6.116.1-21.019.38.63.9
lower montane-1.56.819.011.8-6.810.4-0.95.6
colline/submontane15.510.0..-32.30.07.110.8
total8.33.27.811.2-12.18.16.43.0
NWupper subalpine........
lower subalpine27.99.6-2.010.361.523.028.78.5
upper montane7.3.44.016.17.08.011.67.8
lower montane-4.727.032.30.06.07.9-0.120.6
colline/submontane-9.10.0..7.821.52.413.6
total11.713.826.58.911.57.412.98.3
OWupper subalpine239.60.0..16.40.032.120.6
lower subalpine16.29.84.821.08.07.611.66.4
upper montane2.412.320.916.912.737.57.915.2
lower montane21.721.0-21.40.016.013.316.013.0
colline/submontane30.424.5..-2.514.85.511.6
total13.97.54.813.09.210.811.15.8
SGupper subalpine....40.90.040.90.0
lower subalpine17.18.157.519.45.85.113.95.2
upper montane8.15.117.16.52.96.75.84.5
lower montane-14.37.33.58.04.07.0-4.14.8
colline/submontane-9.18.3..-9.75.2-9.54.5
total-2.04.012.95.30.83.50.52.5
SHupper subalpine........
lower subalpine........
upper montane........
lower montane-0.77.8..12.60.00.27.4
colline/submontane9.35.0..13.4.9.44.8
total6.24.3..12.90.36.54.1
SOupper subalpine........
lower subalpine3.64.2....3.64.2
upper montane8.16.5..-10.413.45.95.9
lower montane-5.67.526.1.-8.711.3-5.56.5
colline/submontane3.25.6..19.313.74.45.3
total0.74.026.1.1.88.01.03.7
SZupper subalpine........
lower subalpine18.16.5-25.50.64.314.411.26.8
upper montane14.56.29.47.0-8.29.50.76.2
lower montane18.85.7-0.910.5-7.614.26.27.6
colline/submontane12.72.8..-27.832.8-3.115.7
total16.83.01.46.0-7.57.14.34.0
TGupper subalpine........
lower subalpine........
upper montane....-15.40.0-15.40.0
lower montane1.611.4..-16.126.20.310.8
colline/submontane-3.65.5..-2.311.2-3.45.0
total-2.54.9..-4.89.8-2.84.5
TIupper subalpine16.57.626.017.79.89.413.96.3
lower subalpine25.86.815.78.69.95.213.44.0
upper montane24.49.86.04.212.63.412.02.7
lower montane26.614.8..8.47.89.97.3
colline/submontane14.96.7..10.53.311.52.9
total19.34.110.73.910.52.411.82.0
URupper subalpine12.20.011.70.0..11.90.2
lower subalpine19.611.59.57.215.015.614.05.8
upper montane15.07.022.612.3-9.114.210.57.0
lower montane16.94.424.08.112.97.915.45.6
colline/submontane-1.119.7..39.99.621.613.7
total14.15.915.95.911.87.113.83.8
VDupper subalpine29.55.2....29.55.2
lower subalpine2.64.120.611.83.19.14.23.6
upper montane9.03.09.57.66.87.18.72.6
lower montane-11.26.216.00.024.39.4-7.35.8
colline/submontane1.27.5..0.58.51.16.2
total-0.22.813.16.17.24.31.92.3
VSupper subalpine14.46.46.26.311.65.310.93.5
lower subalpine4.010.76.52.27.73.06.72.4
upper montane7.46.412.04.312.64.511.52.9
lower montane18.212.9..-4.45.10.34.9
colline/submontane9.79.744.820.5-1.77.94.76.3
total8.55.28.72.07.22.07.91.5
ZGupper subalpine........
lower subalpine....0.0.0.0.
upper montane-36.726.4-7.50.0-19.414.3-26.815.7
lower montane8.618.7..15.317.710.913.7
colline/submontane-11.215.8..14.29.9-3.313.2
total-11.313.5-7.50.0-0.110.2-7.19.2
ZHupper subalpine........
lower subalpine........
upper montane5.09.5..172.3.12.112.4
lower montane-4.05.4..-13.225.9-4.35.3
colline/submontane-1.33.1..-22.427.3-1.93.2
total-2.02.6..-13.220.8-2.32.6
Switzerlandupper subalpine12.52.810.53.517.58.114.64.2
lower subalpine10.82.39.12.36.92.18.91.4
upper montane3.02.07.32.96.11.94.91.3
lower montane-3.41.99.73.94.42.0-0.31.4
colline/submontane-1.51.555.618.8-0.62.3-1.21.3
total0.70.98.71.65.21.13.00.7
© WSL, Swiss National Forest Inventory, 19.06.2020 #842505/308836
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %± %± %± %±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane3.714.0....3.714.0
colline/submontane-8.34.2....-8.34.2
total-7.03.9....-7.03.9
AIupper subalpine........
lower subalpine23.445.430.011.0-102.50.020.316.6
upper montane51.915.45.30.0-28.725.010.718.2
lower montane26.813.7..34.111.130.28.7
colline/submontane....30.84.730.84.7
total37.210.721.39.85.016.020.99.2
ARupper subalpine........
lower subalpine........
upper montane49.710.4-1.9.23.97.839.07.8
lower montane-15.719.2..26.419.61.715.5
colline/submontane-48.25.7..34.313.3-3.620.6
total8.013.1-1.9.27.111.814.89.3
BEupper subalpine27.911.7-1.919.534.219.813.715.4
lower subalpine1.79.69.118.7-1.111.51.07.1
upper montane-8.97.2-9.911.22.85.4-3.84.1
lower montane-10.65.1-14.221.53.04.5-4.63.4
colline/submontane-18.75.2-68.00.0-10.67.6-16.94.3
total-11.63.0-7.48.60.23.2-6.62.1
BL/BSupper subalpine........
lower subalpine........
upper montane-1.90.0....-1.90.0
lower montane11.811.1..-5.010.66.18.4
colline/submontane-14.36.9..2.918.2-12.26.4
total-6.55.8..-1.99.6-5.64.9
FRupper subalpine........
lower subalpine-13.816.9-10.36.30.219.9-7.212.1
upper montane-21.817.0-71.30.320.311.8-2.710.8
lower montane-16.111.143.6.5.424.2-11.59.8
colline/submontane-12.812.3382.3.-13.45.8-11.711.4
total-16.16.1-16.626.810.28.9-8.34.7
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-4.618.6....-4.618.6
total-4.618.6....-4.618.6
GLupper subalpine........
lower subalpine17.810.929.115.219.37.420.38.5
upper montane-0.116.155.736.926.018.723.113.9
lower montane3.016.17.911.3-3.419.42.09.8
colline/submontane....49.747.449.747.4
total9.28.627.311.511.712.314.86.1
GRupper subalpine26.17.343.78.840.515.235.88.3
lower subalpine17.76.619.09.29.75.214.23.8
upper montane28.77.46.07.712.97.015.54.6
lower montane6.213.015.821.729.19.117.17.9
colline/submontane-23.39.3..30.310.8-0.28.5
total15.54.016.55.417.84.016.82.5
JUupper subalpine........
lower subalpine........
upper montane-3.214.2101.0.40.414.910.812.4
lower montane4.39.510.327.9-3.311.31.37.2
colline/submontane-4.67.6..0.313.6-3.26.6
total-0.75.551.438.51.68.30.84.5
LUupper subalpine........
lower subalpine6.115.6112.50.0-39.721.9-7.514.5
upper montane-17.49.25.53.116.219.0-11.98.0
lower montane-4.07.5..16.68.1-1.46.7
colline/submontane-10.98.0..-3.316.8-9.67.2
total-9.44.420.415.71.49.0-7.13.8
NEupper subalpine........
lower subalpine19.512.0..7.6.17.510.1
upper montane16.35.62.226.3-19.117.614.45.4
lower montane-4.39.233.75.932.721.02.58.5
colline/submontane8.011.0..-37.10.00.111.3
total10.04.519.515.72.712.59.74.1
NWupper subalpine........
lower subalpine49.314.2-22.125.1-29.757.423.422.4
upper montane-42.3.-60.733.3-1.99.1-23.019.1
lower montane16.255.7-2.10.0-39.133.9-2.733.8
colline/submontane50.30.0..-52.618.3-41.021.6
total29.727.8-44.628.0-23.713.6-7.113.3
OWupper subalpine23.40.0..30.90.029.51.6
lower subalpine9.517.09.624.721.67.813.99.6
upper montane-16.415.8-4.142.519.345.8-4.417.2
lower montane35.612.7-3.40.0-30.527.35.616.5
colline/submontane47.988.1..2.628.213.126.4
total6.210.93.219.27.713.86.47.5
SGupper subalpine....23.90.023.90.0
lower subalpine15.08.9160.433.314.512.018.07.6
upper montane2.715.925.29.74.08.45.67.3
lower montane-0.712.6-18.519.83.510.3-1.07.6
colline/submontane-26.111.4..-12.010.5-17.97.7
total-2.66.84.316.81.05.3-0.24.0
SHupper subalpine........
lower subalpine........
upper montane........
lower montane22.214.2..47.00.023.813.6
colline/submontane20.88.4..-35.10.018.38.3
total21.27.2..-4.227.819.97.0
SOupper subalpine........
lower subalpine6.33.2....6.33.2
upper montane11.015.7..2.923.510.114.2
lower montane-7.99.733.90.0-7.819.3-7.28.6
colline/submontane-3.98.2..15.815.7-2.57.7
total-3.75.633.90.02.711.8-2.85.1
SZupper subalpine........
lower subalpine24.811.1-25.10.713.924.818.311.0
upper montane-18.217.027.18.4-8.514.3-9.010.3
lower montane43.616.2-2.30.0-11.715.514.611.8
colline/submontane30.115.0..46.723.834.512.8
total15.29.611.48.9-3.99.56.46.3
TGupper subalpine........
lower subalpine........
upper montane....8.5.8.5.
lower montane26.817.0..103.33.529.616.7
colline/submontane-16.37.1..7.521.5-14.06.7
total-9.56.6..13.319.6-7.36.2
TIupper subalpine50.712.126.121.753.212.548.48.8
lower subalpine54.314.422.615.427.18.429.16.9
upper montane17.550.414.310.428.77.425.06.5
lower montane25.410.1..38.86.737.66.1
colline/submontane29.013.1..23.25.424.45.0
total32.810.018.08.329.43.428.63.0
URupper subalpine36.60.043.1...40.52.2
lower subalpine39.720.722.54.4-1.315.420.78.1
upper montane23.820.110.024.04.214.112.812.7
lower montane31.37.84.41.916.818.516.512.4
colline/submontane54.80.0..68.134.264.725.5
total33.011.515.711.117.011.020.86.6
VDupper subalpine28.8.....28.8.
lower subalpine12.55.868.623.024.718.118.85.9
upper montane19.87.613.811.119.013.918.65.8
lower montane-18.66.916.2.27.418.2-14.06.6
colline/submontane14.510.0..-3.512.410.18.0
total3.03.927.210.515.87.86.73.3
VSupper subalpine24.612.131.614.227.47.927.86.1
lower subalpine17.715.316.15.021.95.219.13.8
upper montane25.212.518.08.121.411.920.56.6
lower montane8.516.7..14.19.112.78.1
colline/submontane21.327.5117.450.76.013.015.712.3
total19.77.919.24.220.43.919.92.8
ZGupper subalpine........
lower subalpine....-100.00.0-100.00.0
upper montane-40.229.1-18.6.-10.523.9-26.819.5
lower montane22.922.8..24.016.023.414.5
colline/submontane-24.220.8..17.022.7-13.018.3
total-17.615.6-18.6.0.913.9-10.610.7
ZHupper subalpine........
lower subalpine........
upper montane-0.314.9..0.0.11.221.8
lower montane-7.87.3..-14.534.0-8.07.2
colline/submontane-6.34.5..-49.018.7-7.94.4
total-6.63.5..-33.018.5-7.63.4
Switzerlandupper subalpine27.65.534.67.836.78.933.55.1
lower subalpine13.33.219.84.011.13.413.52.1
upper montane3.23.16.84.311.42.97.11.9
lower montane-4.22.5-0.48.69.12.90.31.8
colline/submontane-7.81.954.464.13.83.3-5.21.7
total-1.61.212.52.810.41.53.60.9
© WSL, Swiss National Forest Inventory, 19.06.2020 #842506/308837
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %± %±
n/aupper subalpine..47.27.52.10.039.716.524.58.9104.323.037.87.8
lower subalpine12.87.116.77.011.88.114.017.619.38.383.424.116.93.8
upper montane20.55.7-3.47.37.29.539.623.640.410.453.629.212.63.9
lower montane0.53.411.18.926.410.049.431.311.815.042.926.45.33.0
colline/submontane-3.62.520.514.423.615.0-13.518.9-13.413.335.116.8-1.82.4
total1.01.77.54.215.55.222.810.120.35.054.911.55.91.5
inside perimeterupper subalpine..-25.713.3119.60.050.016.923.716.953.711.436.89.9
lower subalpine-0.239.930.414.123.715.425.59.514.813.847.816.825.16.0
upper montane52.114.9-6.79.316.213.436.111.119.514.227.410.015.45.2
lower montane43.617.6-21.811.61.713.2..16.827.5..2.88.7
colline/submontane..80.3128.4..220.1120.4....153.993.7
total45.111.01.37.114.18.332.76.917.48.836.27.919.33.5
outside perimeterupper subalpine..131.741.442.70.045.29.749.720.869.412.252.610.6
lower subalpine16.810.86.68.84.413.230.46.65.77.446.010.314.84.2
upper montane25.311.422.66.310.78.535.915.14.78.159.211.623.23.8
lower montane18.16.220.28.19.87.938.814.925.211.281.712.423.73.9
colline/submontane3.76.5-1.49.8-0.510.942.319.965.430.367.17.918.84.4
total13.24.215.24.07.74.735.35.114.05.363.85.321.82.0
totalupper subalpine..32.920.043.124.445.17.636.711.273.49.345.06.2
lower subalpine12.76.813.45.311.66.326.15.512.25.151.58.417.42.5
upper montane22.55.06.64.210.25.736.58.816.86.050.78.317.32.4
lower montane3.93.013.85.715.05.741.213.517.69.378.111.611.22.3
colline/submontane-3.02.38.08.27.09.128.215.46.813.859.57.52.62.1
total2.81.610.32.611.73.232.33.816.93.458.64.312.31.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842507/308838
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone %± %± %± %±
AGupper subalpine........
lower subalpine........
upper montane........
lower montane22.317.1....22.317.1
colline/submontane-6.74.4....-6.74.4
total-4.04.2....-4.04.2
AIupper subalpine........
lower subalpine56.779.72.54.9-106.80.011.313.6
upper montane24.522.039.40.0-44.115.8-6.616.4
lower montane63.023.8..31.820.246.516.7
colline/submontane....-28.10.4-28.10.4
total41.718.311.49.3-16.212.78.911.1
ARupper subalpine........
lower subalpine........
upper montane28.525.2-1.30.028.426.226.218.4
lower montane-6.925.4..48.828.015.320.9
colline/submontane-9.46.9..50.611.629.413.4
total10.117.2-1.30.043.616.821.312.7
BEupper subalpine56.29.9-25.713.3181.1135.712.925.9
lower subalpine14.89.37.715.2-1.212.25.97.4
upper montane-1.99.7-6.712.120.66.46.85.2
lower montane-2.36.6-13.219.115.06.05.04.5
colline/submontane-15.86.4-37.20.0-3.98.9-12.95.3
total-5.23.8-5.48.810.74.01.12.5
BL/BSupper subalpine........
lower subalpine........
upper montane25.40.0....25.40.0
lower montane25.617.3..9.49.020.311.9
colline/submontane2.58.2..14.920.24.17.6
total10.07.1..11.69.610.36.0
FRupper subalpine........
lower subalpine7.722.9-0.09.112.526.09.516.1
upper montane-13.820.5-53.90.432.318.38.413.7
lower montane-5.513.36.4.46.840.52.612.4
colline/submontane-9.914.5478.40.0-24.46.6-10.113.1
total-7.17.5-3.119.525.412.92.56.0
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane44.125.6....44.125.6
total44.125.6....44.125.6
GLupper subalpine........
lower subalpine28.613.241.315.7-16.812.126.410.5
upper montane31.714.847.334.272.331.849.715.8
lower montane11.810.7-0.317.3-10.922.3-2.011.6
colline/submontane....-45.836.6-45.836.6
total25.38.123.114.06.816.618.77.6
GRupper subalpine31.99.435.813.851.517.342.19.6
lower subalpine21.88.318.113.38.16.914.65.0
upper montane46.110.418.710.713.58.222.15.8
lower montane11.715.116.528.638.112.423.79.6
colline/submontane-12.812.9..80.119.922.913.1
total23.65.020.57.621.14.921.93.2
JUupper subalpine........
lower subalpine........
upper montane16.618.7147.553.747.821.129.915.5
lower montane15.611.123.837.218.314.916.88.8
colline/submontane2.910.2..19.815.17.58.5
total10.16.977.148.021.610.014.75.6
LUupper subalpine........
lower subalpine27.822.8127.6.-30.325.49.118.7
upper montane-5.311.241.82.624.229.10.810.0
lower montane2.39.2..51.518.07.58.6
colline/submontane5.514.6..-0.314.04.412.1
total1.85.856.214.715.212.04.85.0
NEupper subalpine........
lower subalpine26.320.3..3.40.022.116.8
upper montane29.17.68.012.5-18.019.826.47.1
lower montane5.011.423.511.220.023.28.49.7
colline/submontane6.611.6..-24.40.02.010.4
total20.15.817.09.21.212.018.25.2
NWupper subalpine........
lower subalpine61.524.5-59.226.4-42.153.712.627.9
upper montane-25.80.0-59.828.317.69.2-12.120.6
lower montane34.785.2-40.0.-33.844.52.144.3
colline/submontane252.1...-46.415.5-29.224.8
total48.842.4-55.516.7-16.317.3-2.315.6
OWupper subalpine122.8...104.50.0107.63.6
lower subalpine13.521.517.729.137.07.522.212.4
upper montane-22.917.4-18.934.412.942.3-12.116.5
lower montane47.014.712.90.0-16.035.520.219.0
colline/submontane65.188.1..8.552.921.043.9
total6.413.12.719.717.215.89.98.8
SGupper subalpine....42.70.042.70.0
lower subalpine-2.312.4186.136.5-1.022.01.511.5
upper montane2.619.610.629.01.911.23.19.4
lower montane14.516.4-0.826.713.111.212.09.1
colline/submontane-10.714.8..-0.416.6-4.511.3
total2.68.211.120.94.66.94.35.0
SHupper subalpine........
lower subalpine........
upper montane........
lower montane34.014.1..110.60.038.014.5
colline/submontane35.313.1..-30.30.032.312.6
total34.910.2..13.543.633.99.9
SOupper subalpine........
lower subalpine16.110.8....16.110.8
upper montane1.818.8..-18.49.8-0.716.4
lower montane7.312.254.1.23.829.410.211.2
colline/submontane2.08.8..9.920.72.78.2
total3.96.254.1.11.815.34.95.8
SZupper subalpine........
lower subalpine1.414.9-8.20.619.228.96.012.8
upper montane-13.915.939.327.811.019.53.212.0
lower montane50.620.2-11.70.0-11.516.716.613.0
colline/submontane56.334.6..42.116.851.924.7
total13.69.819.118.96.111.510.86.9
TGupper subalpine........
lower subalpine........
upper montane....159.20.0159.20.0
lower montane47.824.1..87.9131.449.623.8
colline/submontane-3.39.2..6.819.3-2.28.4
total4.88.4..16.019.66.07.8
TIupper subalpine94.936.831.720.477.319.874.015.6
lower subalpine90.623.743.621.051.212.553.710.1
upper montane19.444.336.012.664.211.555.19.3
lower montane42.925.7..76.312.873.011.9
colline/submontane38.918.1..64.18.158.07.8
total47.713.638.610.565.15.459.74.7
URupper subalpine2.10.0119.60.0..50.540.2
lower subalpine30.525.920.825.713.115.021.814.0
upper montane77.723.88.523.440.114.534.215.9
lower montane56.314.816.40.057.730.348.218.8
colline/submontane146.50.0..26.033.742.634.3
total55.618.216.415.734.513.032.89.0
VDupper subalpine39.0.....39.0.
lower subalpine15.97.2103.741.628.418.923.77.1
upper montane38.010.426.714.943.018.136.97.8
lower montane-12.87.977.5.53.235.1-6.57.8
colline/submontane47.115.6..16.116.139.112.2
total14.64.846.715.533.810.419.84.1
VSupper subalpine39.716.550.016.945.29.745.17.6
lower subalpine14.017.625.59.530.56.626.15.5
upper montane39.623.636.111.135.915.136.58.8
lower montane49.431.3..38.814.941.213.5
colline/submontane-13.518.9220.1120.442.319.928.215.4
total22.810.132.76.935.35.132.33.8
ZGupper subalpine........
lower subalpine....-100.00.0-100.00.0
upper montane-27.834.7-47.10.0-16.430.5-26.319.5
lower montane124.890.5..14.515.956.934.0
colline/submontane-13.024.2..29.120.5-1.220.3
total7.224.2-47.10.0-1.015.7-0.312.9
ZHupper subalpine........
lower subalpine........
upper montane3.717.8..29.60.05.816.8
lower montane-6.98.7..-18.833.7-7.48.5
colline/submontane-5.95.1..-49.619.2-7.65.0
total-6.03.8..-37.516.6-7.33.8
Switzerlandupper subalpine37.87.737.19.852.310.444.96.1
lower subalpine17.23.824.86.014.54.217.42.6
upper montane12.63.915.55.223.03.817.32.4
lower montane5.13.03.19.024.53.811.32.3
colline/submontane-0.82.4151.192.718.44.53.32.1
total6.21.519.33.521.82.012.51.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842508/308839
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %± %±
n/aupper subalpine..28.36.312.20.015.24.85.53.315.25.410.42.5
lower subalpine4.34.45.05.517.93.50.511.211.84.415.96.38.62.4
upper montane5.42.30.63.44.45.01.55.85.45.018.87.64.01.7
lower montane-2.52.1-1.54.2-8.67.515.512.9-11.810.510.98.1-3.31.9
colline/submontane-2.71.6-1.36.04.05.911.111.6-10.47.110.36.4-2.31.5
total-1.41.11.12.32.73.45.65.53.92.913.73.40.30.9
inside perimeterupper subalpine..36.310.711.7.7.06.42.54.025.67.510.33.7
lower subalpine-18.033.419.38.011.74.86.22.24.46.511.36.68.92.4
upper montane27.08.6-0.96.918.14.212.14.48.79.23.24.38.32.9
lower montane18.35.925.211.61.25.2..13.58.9..9.64.0
colline/submontane..83.316.8..44.820.5....55.818.6
total20.56.37.95.211.42.78.72.05.94.48.13.49.01.7
outside perimeterupper subalpine..14.41.740.90.012.25.623.519.314.98.117.98.9
lower subalpine16.33.05.45.55.15.97.63.13.23.99.64.95.92.2
upper montane13.75.83.13.2-3.35.111.84.412.44.49.94.35.41.9
lower montane2.73.44.13.52.54.9-4.55.15.28.18.57.33.52.0
colline/submontane-6.84.6-4.36.3-2.54.9-2.38.013.713.610.23.1-0.22.3
total0.32.63.22.1-0.22.86.92.19.53.79.92.34.61.1
totalupper subalpine..25.64.520.77.511.53.614.09.717.14.914.24.7
lower subalpine4.24.26.83.613.22.86.02.46.52.711.03.57.51.4
upper montane7.32.11.52.32.63.210.42.89.43.19.13.25.21.2
lower montane-1.41.81.92.7-2.54.1-0.45.0-3.56.88.76.8-0.51.4
colline/submontane-3.11.5-2.44.4-0.33.84.36.7-2.26.710.22.8-1.71.3
total-0.91.02.81.52.42.07.21.66.82.110.21.82.50.6
© WSL, Swiss National Forest Inventory, 19.06.2020 #842509/308840
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