Wood density at breast height as estimate of the whole tree density in<i>Grevillea robusta</i>

Hernández, Mariano Agustín; Genes, Pabla Yolanda

doi:10.1080/00049158.2016.1164578

Cited by 1 publication

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References 7 publications

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“…The current study aimed to quantify the effects of site, diameter class, relative height within the stem and their interactions on wood and bark density, bark volume, mass, and thickness of Lebombo ironwood. As these tree variables are often measured at a single specific sampling point, generally breast height (Hernández & Genes 2016;Tian et al 1995), whole-stem-based properties (e.g. whole-stem wood density) were compared to the equivalent breast height-based properties.…”

Section: Introductionmentioning

confidence: 99%

Effects of site and tree size on wood density and bark properties of Lebombo ironwood (Androstachys johnsonii Prain)

Magalhães

2021

NZJFS

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Background: Wood and bark are important renewable natural resources. Density is an important property that is used to describe wood and bark quality for a number of end uses. However, wood and bark density, bark proportion and dimensions vary with age and site, as well as among and within trees. The aim of this study was to investigate the effect of site, diameter class, and vertical position within the stem on the density of wood and bark, bark volume, bark dry-mass and thickness of Lebombo ironwood (Androstachys johnsonii Prain). Methods: The study was conducted on 93 Lemombo ironwood trees growing in Mozambique. Eight discs were sampled from each selected tree and diameter over and under bark was measured. Bark thickness, bark mass and bark density were determined along with the basic wood density of each disc. Results: The overall average whole-stem properties were estimated at: 786 kg m–3 wood density, 586 kg m–3 bark density, 19% bark volume, 19% bark dry-mass, and 9 mm bark thickness. Height level uniquely explained most of the variation in bark mass (97%), bark volume (95%) and wood density (86%). Diameter class explained most of the variation in bark density (51%) and bark thickness (51%). Site only explained a small proportion of the variation in all dependent variables. Conclusions: Overall, the patterns of variation of all wood and bark properties were highly dependent on tree diameter class and vertical position within the stem. Site differences were not a significant source of variation in the properties studied. Improved knowledge of the wood and bark properties of this species will aid its sustainable management and utilisation.

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Section: Introductionmentioning

confidence: 99%

Effects of site and tree size on wood density and bark properties of Lebombo ironwood (Androstachys johnsonii Prain)

Magalhães

2021

NZJFS

View full text Add to dashboard Cite

show abstract

Wood density at breast height as estimate of the whole tree density inGrevillea robusta

Cited by 1 publication

References 7 publications

Effects of site and tree size on wood density and bark properties of Lebombo ironwood (Androstachys johnsonii Prain)

Effects of site and tree size on wood density and bark properties of Lebombo ironwood (Androstachys johnsonii Prain)

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