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NFI4
total stem number by type of damage
slope (20% classes) · damage on tree (13 classes)
unit of reference: production region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)damage on tree (13 classes) n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
to 20%no visible damage3195324335963948303143312
exposed wood core409296281442214421335
crack062130248247754120
stem breakage3232173345441258313
defoliation2381402448581447223
canker423219329650268313
bark necrosis010006301000.0.054
resinosis111615813181424857147
inclusion325134351348562217
dead terminal3272244417401648315
various damages42531842710381342412
lying live0.1430100539398127
dead2410208311747176432256
total............
21-40 %no visible damage134835141970131726126317133129129411
exposed wood core461443429928243231323274227418
crack2973528181451198161251063
stem breakage2413072253191332080281112350
defoliation72131521052136136311871095
canker16150122301612010100141221354
bark necrosis010011530171010001000200
resinosis371182311473661443442959127
inclusion1113521172413813111171791581
dead terminal24168552351612711109541022358
various damages28117501832790276033902739
lying live425718272520319101141581372
dead227572417025743271332915625221
total............
over 100%no visible damage277340.2222326010209112357
exposed wood core247310.2272998121151312410
crack0.0.398176445237
stem breakage0.0.373728840724
defoliation0.0.1980.549248
canker0.0.651345175332
bark necrosis0.0.0.0.2991100
resinosis0.0.363841174402416
inclusion0.0.267435161229
dead terminal24650.75464022301323
various damages12880.1951102610241118
lying live0.0.7701129539823
dead98380.1062187116218799
total............
totalno visible damage329231823442319232033251
exposed wood core575345575563865562
crack12712321531141427
stem breakage5123175125981155
defoliation122131119217920211
canker41321551031241436
bark necrosis0870390560100090034
resinosis1091371873441010203
inclusion32112761631342138
dead terminal512318413311151156
various damages5123135117791064
lying live12912621951241739
dead355256555653726512
total............
© WSL, Swiss National Forest Inventory, 10.07.2020 #893605/359823
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