Phenological Patterns of Wood Formation and Allocation of Coniferous and Broadleaved Species

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 1040

Special Issue Editors


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Guest Editor
Research Institute on Terrestrial Ecosystems (IRET), National Research Council (CNR), 50019 Sesto Fiorentino, FI, Italy
Interests: carbon allocation; growth; tree carbon balance; resilience; extreme weather events

Special Issue Information

Dear Colleagues,

The capacity of forests to continue to mitigate climate change depends on their ability to cope and adapt to global change drivers, such as more frequent and intense extreme weather events. The cyclic dynamics of wood formation are the primary biological process through which carbon is sequestered in plants. The wide variation observed in the timing of wood formation across geographical regions demonstrates the high plasticity of trees in adapting their growth to local environmental conditions. Generally, long-term series of tree-ring widths are thought to be equivalent to the total annual growth measured in autumn. However, this annual growth is the result of a gradual accumulation of cells, which lasts for at least 3–4 months. During this period, trees can experience cold events, drought stress, heat waves, and other disturbances. The main aim of this Special Issue is to gain an understanding of the patterns of seasonal growth phenology (timing and magnitude) and carbon allocation in different organs (e.g., stem, branch, and coarse root) of coniferous evergreen and deciduous broadleaved species. This issue therefore welcomes the submission of any research focused on the above-mentioned topics.

Dr. Alessio Giovannelli
Dr. Negar Rezaie
Guest Editors

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Keywords

  • dendrometers
  • xylogenesis
  • stem growth phenology
  • coniferous and broadleaved species
  • tree carbon balance

Published Papers (1 paper)

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Research

15 pages, 2376 KiB  
Article
Wood Density and Carbon Concentration Jointly Drive Wood Carbon Density of Five Rosaceae Tree Species
by Pingping Guo, Xiping Zhao, Xingchang Wang, Qi Feng, Xinjing Li and Yangyang Tan
Forests 2024, 15(7), 1102; https://doi.org/10.3390/f15071102 - 26 Jun 2024
Viewed by 771
Abstract
Wood can store carbon and help mitigate global climate change. Carbon density (CD), the basis for measuring and analyzing C storage, is the product of wood density (WD) and C concentration, which are dependent on wood structure, cellulose concentration (CC), hemicellulose concentration (HC), [...] Read more.
Wood can store carbon and help mitigate global climate change. Carbon density (CD), the basis for measuring and analyzing C storage, is the product of wood density (WD) and C concentration, which are dependent on wood structure, cellulose concentration (CC), hemicellulose concentration (HC), and lignin concentration (LC). However, little attention has been paid to the C concentration of cellulose, hemicellulose, and lignin, which are fundamental factors in C storage and affect the credibility of accurate CD estimates. In order to disentangle the CD drives, WD, C concentration, CC, HC, and LC of the branch, stem, and root were quantified for five Rosaceae species from temperate forests in Northeastern China. The species were Sorbus alnifolia (Sieb.et Zucc.) K. Koch, Pyrus ussuriensis Maxim., Malus baccata (L.) Borkh., Crataegus pinnatifida var. major N. E. Brown, and Padus racemosa (Linn.) Gilib. The WD, CC, HC, and LC differed among species and tree organs, with the highest variability for the HC. The structural carbon concentration (SCC) was lower than the organic carbon concentration (OCC) and even the Intergovernmental Panel on Climate Change (IPCC) default value of 45%, with a maximum deviation of 2.6%. CD differed dramatically among species and tree organs. Based on SCC calculations, the highest CD was found in Sorbus alnifolia root (0.27 × 106 g/m3), while the lowest was found in Padus racemosa branch (0.22 × 106 g/m3). The results suggest that when estimating CD accurately at species level, it is important to consider not only WD but also structural carbohydrates and lignin concentration, providing important information on C fluxes and long-term C sequestration for forests. The study findings provide valuable insights into CD variations among tree species and organs and are valuable for forest management and policy development to improve carbon sequestration. Full article
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