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NFI4
total stem number by cause of damage
altitude (200 m class) · cause of damage on tree (10 classes)
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
altitude (200 m class)cause of damage on tree (10 classes) n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
above 1800 mno visible damage0.342221762028973146245112974
fire0.1960.0.0100099058
rockfall0.87735837304391634719
various damages0.1550188392610238431015
indeterminable0.68221875663115895221617
timber harvest0.0.0.1571560.142
human, other0.5670.142238399228
weather0.16445383131991911351212
lying living trees0.396188353816333601026
dead trees0.1163539835914681547206410
total..............
1601-1800 mno visible damage0.3391236317366103457306103435
fire0.0.0.01000.099071
rockfall0.1028498103963215411018
various damages0.14470.12268238321017
indeterminable0.5913612768127094220626
timber harvest0.1990.366451170237
human, other0.347798438463099332
weather0.1223373132473020261113
lying living trees0.3601381255444351427
dead trees0.82186728871760113218668
total..............
1401-1600 mno visible damage206133037241123099347835493104
fire0.0.0.11000.099075
rockfall0.83726013447351339820
various damages85582363910319291122912
indeterminable26245294917781163125614585
timber harvest1986311632635370.321
human, other0.10351152549435182622
weather756171610301524102722261510
lying living trees0.23844910510100446328
dead trees443290127723671447165114677
total..............
1201-1400 mno visible damage30673516329736593261133493363
fire0.01000.0990.0.078
rockfall179232413312527103531241713
various damages12227261932112793011291113
indeterminable371548104714641382127115555
timber harvest1325728431656645070615
human, other434734537679453250520
weather4341119932192983121231111
lying living trees174241439546277555321
dead trees331985116411781465158620696
total..............
1001-1200 mno visible damage361532463837303103231037093493
fire0.010011000.0.575165
rockfall1234312232254537283651212911
various damages1023101711201350133410251110
indeterminable4294885110601477156213524
timber harvest81816191327299270099912
human, other8225308289554541144715
weather433724634142718431324813
lying living trees1702420100947175260226
dead trees341160104712931658176614545
total..............
801-1000 mno visible damage349535463766357102821237193543
fire010001000.1990.499173
rockfall2224124236243342124434302313
various damages92211161124949103015351111
indeterminable509421064135620571611012575
timber harvest151613289275824580.1113
human, other835835839269643656719
weather4296258332036944930713
lying living trees150243162647943740219
dead trees3710451259121191754188319536
total..............
601-800 mno visible damage3323349635883231729012340103362
fire01000.0.0.0.2263262
rockfall527193724264339106713351015
various damages7187271149199144331351014
indeterminable386451138154325661911614465
timber harvest141015274485721185378129
human, other321944662377298352418
weather41972783614479691423612
lying living trees1350100259757668562224
dead trees3373716511810918442411314456
total..............
to 600 mno visible damage30324601835012379222262735283132
fire0890.0.0.0.858149
rockfall1683897645927840.2328628
various damages61266720460.91721926711
indeterminable325603162243742218612812435
timber harvest1096839570.0.27099
human, other420197910522960.935516
weather41668219811847791028414
lying living trees1290.3690.0.346124
dead trees246452743268236427914512376
total..............
totalno visible damage3222339334933284326334233311
fire07205601000540100538132
rockfall6161913251420159152611146
various damages789101214101410111413105
indeterminable383484536645665825522
timber harvest126101271532842214285
human, other51271571842542152157
weather4101098151510912151084
lying living trees11921932462062341939
dead trees304665576816596826532
total..............
© WSL, Swiss National Forest Inventory, 02.12.2020 #893702/359920
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