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Title: Association of growth and hollow stem development in Shorea albida trees in a tropical peat swamp forest in Sarawak, Malaysia
Authors: Monda, Yukako
Kiyono, Yoshiyuki
Chaddy, Auldry
Damian, Christopher
Melling, Lulie
Author's alias: 門田, 有佳子
Keywords: Construction cost
Growth strategy
Hollow development
Oligotrophic environment
Resource trade-offs
Tall trees
Issue Date: Oct-2018
Publisher: Springer Nature
Journal title: Trees
Volume: 32
Issue: 5
Start page: 1357
End page: 1364
Abstract: The tropical peat swamp forests of Sarawak, Malaysia are low-nutrient soils, but nonetheless have tall Shorea albida trees. Most of these large trees have hollow stems and broken crowns. We examined tree morphology to determine how this species develops and maintains tall above-ground parts in oligotrophic peat soils. We measured hollow diameter at breast height (Dhollow), tree diameter at breast height (DBH), tree height, and height of breakage of 81 trees. Destructive sampling was also conducted for seven trees, and these data were used to determine wood density and both hollow diameter and stem diameter per meter height. All sampled trees developed hollow trunks before they reach the canopy layer. Linear regression of Dhollow on DBH indicated that the radial expansion rate of the hollow was slightly less than the thickening growth. Stem breakage and crown breakage reduced tree height, but most broken trees regrew from pre-existing upper branches or by epicormic branching. These results suggest that S. albida trees devote more resources to growth than defense, and therefore become large with hollow stems.
Rights: © The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
URI: http://hdl.handle.net/2433/237398
DOI(Published Version): 10.1007/s00468-018-1717-9
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