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NFI4
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
state2009/17
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 damage3233390834994862032910303143322
exposed wood core32531152727403845304421335
crack1271553640.456754120
stem breakage2144331700.7531258312
defoliation1292487958834761447223
canker315343535496772268313
bark necrosis0630.1990.0.0.054
resinosis14817186328541735857147
inclusion120243389397279562217
dead terminal21844974812622691648315
various damages31543284111968561342412
lying live0431700.796744398127
dead21637182823633638266432256
total..............
21-40 %no visible damage135234130726133629121832128928133129129511
exposed wood core43040283402895322253187523274227418
crack92601014414135824410181161251063
stem breakage3513519110201371714225120281112250
defoliation91916190721262335220311871096
canker151301311820120627712164141221354
bark necrosis014901000700.010001000199
resinosis3410895548975154661575142959027
inclusion81302213917173171557218171791581
dead terminal3014415117131891117610181541022358
various damages3210029842512024106269633902739
lying live71907163101952020023162141581372
dead22846288452315330055236522915625221
total..............
over 100%no visible damage2743420220276212971624315209112357
exposed wood core25130129212082489267021115131239
crack0.1982980.298445237
stem breakage0.5507483741242840724
defoliation0.1980.0.0.549248
canker0.6636610.549175332
bark necrosis0.0.0.0.0.2991100
resinosis0.41293229362951334402416
inclusion0.168558555373161229
dead terminal2464369114549867122301323
various damages138714391353550134310241117
lying live0.48314432139498539823
dead9739107189920712287186218809
total..............
totalno visible damage3232337334033144318332033251
exposed wood core453595677576436865562
crack11821731522731841427
stem breakage41051141641661381155
defoliation120120232227226920211
canker31041251222731941436
bark necrosis04001000650.0100090033
resinosis1262361893873761010203
inclusion21861741952222442138
dead terminal410313420321319151156
various damages4961061461371191064
lying live11921832261862141739
dead304645546746556726512
total..............
© WSL, Swiss National Forest Inventory, 10.07.2020 #893591/359809
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