Effects of light intensity on the growth and allometry of two Bornean Dryobalanops (Dipterocarpaceae) seedlings


Citation

Itoh A., . and Yamakura T., . and Lee H. S., . Effects of light intensity on the growth and allometry of two Bornean Dryobalanops (Dipterocarpaceae) seedlings. pp. 610-618. ISSN 0128-1283

Abstract

Biomass growth and allometry of Dryobalanops aromatica and D. lanceolata seedlings were compared among five neutral shade conditions 7 12 27 48 and 100 relative light intensity (RLI). The estimated optimum RLIs for seedling growth were not much different between the species; 26.9 and 31.8 for D. aromatica and D. lanceolata respectively. But seedling allometry showed significant interspecific differences. Dryobalanops aromatica allocated more above-ground biomass to stem and made taller seedlings than D. lanceolata. This allometric difference seems to be related to the differences in gap regimes of the sites where they are distributed in the study forest.


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Abstract

Biomass growth and allometry of Dryobalanops aromatica and D. lanceolata seedlings were compared among five neutral shade conditions 7 12 27 48 and 100 relative light intensity (RLI). The estimated optimum RLIs for seedling growth were not much different between the species; 26.9 and 31.8 for D. aromatica and D. lanceolata respectively. But seedling allometry showed significant interspecific differences. Dryobalanops aromatica allocated more above-ground biomass to stem and made taller seedlings than D. lanceolata. This allometric difference seems to be related to the differences in gap regimes of the sites where they are distributed in the study forest.

Additional Metadata

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Item Type: Article
AGROVOC Term: Dryobalanops
AGROVOC Term: Dipterocarps
AGROVOC Term: Seedlings
AGROVOC Term: Light
AGROVOC Term: Growth
AGROVOC Term: Allometry
AGROVOC Term: Biomass
AGROVOC Term: Plant ecology
AGROVOC Term: Species
AGROVOC Term: Tropical rain forests
Depositing User: Ms. Suzila Mohamad Kasim
Last Modified: 24 Apr 2025 06:27
URI: http://webagris.upm.edu.my/id/eprint/22471

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