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NFI3
total stem number by type of damage
slope (20% classes) · damage on tree (13 classes)
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)damage on tree (13 classes) n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
to 20%no visible damage3383350834284371838511272133412
exposed wood core37544153024533652235822394
crack4122434610.269298311
stem breakage5116298404969431572510
defoliation124437199866099298118
canker412527844697949468510
bark necrosis12601000.0.0.298125
resinosis2082519939224019311455207
inclusion137277099796367859228
dead terminal3162422570.270558314
various damages3134323500.558568311
lying live131249199297199298124
dead20832203126663732366135237
total..............
21-40 %no visible damage136837125027134132124932119631132228127411
exposed wood core42042273373285920568195533014726919
crack301291411511180924912141111421556
stem breakage3591467133116341093792301013536
defoliation414515141223172129216241451181
canker181213190211291115921122211312147
bark necrosis6220223832380.0200122253145
resinosis35131115626393113661715446838929
inclusion10199261562117872118220131551478
dead terminal2211719129111561122015148451032255
various damages171232012214166161261612029951949
lying live2177112177275151271519592271099
dead17650250512086123164216592236220823
total..............
over 100%no visible damage3492120819264193131721317218122387
exposed wood core1503315122202207923862097141179
crack1387369559298298537426
stem breakage0.143710483771936635919
defoliation0.2741980.198181146
canker0.298751198838247326
bark necrosis8873992980.0.170147
resinosis457046231934163963317392416
inclusion586459450198862454429
dead terminal51615511047847116018271319
various damages0.746451560843341522
lying live0.798857876298551633
dead95181332278246223762148227311
total..............
totalno visible damage3312319334333184297331933231
exposed wood core483625757517486795582
crack5831231832931731445
stem breakage6710881381391081184
defoliation11841513622422761929
canker4881151431951451555
bark necrosis1221381420.076327115
resinosis1562861510297406119213
inclusion21772051922522331739
dead terminal49315317320416121256
various damages4851641641541471145
lying live121228232524430321211
dead244576507587507567433
total..............
© WSL, Swiss National Forest Inventory, 10.07.2020 #893587/359805
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