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Isopod mouthpart traits respond to a tropical forest recovery gradient
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- Ang, Shawn B. H. (author)
- The Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, Singapore, Singapore
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- Lam, Weng Ngai (author)
- The Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, Singapore, Singapore
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- Png, G. Kenny (author)
- The Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, Singapore, Singapore
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- (creator_code:org_t)
- Springer Science+Business Media B.V. 2024
- 2024
- English.
- In: Oecologia. - : Springer Science+Business Media B.V.. - 0029-8549 .- 1432-1939. ; 204:1, s. 147-159
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Functional trait ecology has the potential to provide generalizable and mechanistic predictions of ecosystem function from data of species distributions and traits. The traits that are selected should both respond to environmental factors and influence ecosystem functioning. Invertebrate mouthpart traits fulfill these criteria, but are seldom collected, lack standardized measurement protocols, and have infrequently been investigated in response to environmental factors. We surveyed isopod species that consume plant detritus, and tree communities in 58 plots across primary and secondary forests in Singapore. We measured body dimensions (body size traits), pereopod and antennae lengths (locomotory traits), dimensions of mandible structures (morphological mouthpart traits), and mechanical advantages generated by mandible shape (mechanical mouthpart traits) for six isopod species found in these plots and investigated if these traits respond to changes in tree community composition, tree diversity, and forest structure. Morphological mouthpart traits responded to a tree compositional gradient reflecting forest recovery degree. Mouthpart features associated with greater consumption of litter (broader but less serrated/rugose lacinia mobilis [an important cutting and chewing structure on the mandible]) were most prevalent in abandoned plantation and young secondary forests containing disturbance-associated tree species. Feeding strategies associated with fungi grazing (narrower and more serrated/rugose lacinia mobilis) were most prevalent in late secondary forests containing later successional tree species. Since morphological mouthpart traits likely also predict consumption and excretion rates of isopods, these traits advance our understanding of environment–trait–ecosystem functioning relationships across contrasting tropical forest plots that vary in composition, disturbance history, and post-disturbance recovery.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- Functional traits
- Mandible
- Plantation
- Soil invertebrate
- Succession
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- ref (subject category)
- art (subject category)
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- Ang, Shawn B. H.
- Lam, Weng Ngai
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- Khoo, Max
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- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Biological Scien ...
- and Ecology
- Articles in the publication
- Oecologia
- By the university
- Umeå University
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