4.7 Article

Assessing the Dependencies of Scots Pine (Pinus sylvestris L.) Structural Characteristics and Internal Wood Property Variation

Journal

FORESTS
Volume 13, Issue 3, Pages -

Publisher

MDPI
DOI: 10.3390/f13030397

Keywords

terrestrial laser scanning; wood density; tree architecture; remote sensing; forest structure

Categories

Funding

  1. Academy of Finland [315079, 345166, 331711, 337127]
  2. Academy of Finland (AKA) [315079, 331711, 337127, 315079] Funding Source: Academy of Finland (AKA)

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The study found that different silvicultural treatments did not significantly affect mean wood density, but the relationship between structural characteristics and mean ring width was more pronounced under varying treatments. Single time terrestrial laser scanning can capture the variability of structural characteristics and their interactions with mean ring width.
Wood density is well known to vary between tree species as well as within and between trees of a certain species depending on the growing environment causing uncertainties in forest biomass and carbon storage estimation. This has created a need to develop novel methodologies to obtain wood density information over multiple tree communities, landscapes, and ecoregions. Therefore, the aim of this study was to evaluate the dependencies between structural characteristics of Scots pine (Pinus sylvestris L.) tree communities and internal wood property (i.e., mean wood density and ring width) variations at breast height. Terrestrial laser scanning was used to derive the structural characteristics of even-aged Scots pine dominated forests with varying silvicultural treatments. Pearson's correlations and linear mixed effect models were used to evaluate the interactions. The results show that varying silvicultural treatments did not have a statistically significant effect on the mean wood density. A notably stronger effect was observed between the structural characteristics and the mean ring width within varying treatments. It can be concluded that single time terrestrial laser scanning is capable of capturing the variability of structural characteristics and their interactions with mean ring width within different silvicultural treatments but not the variation of mean wood density.

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