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Article: Effects of artificial defoliation on growth, reproduction and leaf chemistry of the mangrove Kandelia candel

TitleEffects of artificial defoliation on growth, reproduction and leaf chemistry of the mangrove Kandelia candel
Authors
Keywordsartificial defoliation
herbivory
Kandelia candel
leaf chemistry
mangrove
Issue Date2003
PublisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=TRO
Citation
Journal of Tropical Ecology, 2003, v. 19 n. pt 4, p. 397-406 How to Cite?
AbstractThe effects of defoliation on leaf and propagule production, and leaf chemistry of the mangrove Kandelia candel (L.) Druce were evaluated in a manipulative experiment in Hong Kong. Artificial defoliation of leaf lamina at 50% of the length of midrib resulted in significant reduction in leaf, twig and propagule production, and size of the latter. Through the negative effects on propagule number and size, severe herbivory may influence fitness of the mangrove, and, thus, community structure. In contrast, no apparent adverse effects on growth and production were observable at 25% defoliation. Defoliation also significantly affected leaf chemistry of the trees, particularly those suffering 50% defoliation. Concentrations of soluble tannins and carbohydrates in leaves were significantly lower at 50% defoliation compared with the control. Total nitrogen also decreased significantly with increased per cent defoliation. Plants surviving in stressful habitats, such as mangroves, are probably more affected by loss of leaf biomass than those surviving in favourable environments.
Persistent Identifierhttp://hdl.handle.net/10722/44704
ISSN
2015 Impact Factor: 0.975
2015 SCImago Journal Rankings: 0.569
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTong, YFen_HK
dc.contributor.authorLee, SYen_HK
dc.contributor.authorMorton, Ben_HK
dc.date.accessioned2007-10-30T06:08:16Z-
dc.date.available2007-10-30T06:08:16Z-
dc.date.issued2003en_HK
dc.identifier.citationJournal of Tropical Ecology, 2003, v. 19 n. pt 4, p. 397-406en_HK
dc.identifier.issn0266-4674en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44704-
dc.description.abstractThe effects of defoliation on leaf and propagule production, and leaf chemistry of the mangrove Kandelia candel (L.) Druce were evaluated in a manipulative experiment in Hong Kong. Artificial defoliation of leaf lamina at 50% of the length of midrib resulted in significant reduction in leaf, twig and propagule production, and size of the latter. Through the negative effects on propagule number and size, severe herbivory may influence fitness of the mangrove, and, thus, community structure. In contrast, no apparent adverse effects on growth and production were observable at 25% defoliation. Defoliation also significantly affected leaf chemistry of the trees, particularly those suffering 50% defoliation. Concentrations of soluble tannins and carbohydrates in leaves were significantly lower at 50% defoliation compared with the control. Total nitrogen also decreased significantly with increased per cent defoliation. Plants surviving in stressful habitats, such as mangroves, are probably more affected by loss of leaf biomass than those surviving in favourable environments.en_HK
dc.format.extent154856 bytes-
dc.format.extent455 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=TROen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsJournal of Tropical Ecology. Copyright © Cambridge University Press.en_HK
dc.subjectartificial defoliationen_HK
dc.subjectherbivoryen_HK
dc.subjectKandelia candelen_HK
dc.subjectleaf chemistryen_HK
dc.subjectmangroveen_HK
dc.titleEffects of artificial defoliation on growth, reproduction and leaf chemistry of the mangrove Kandelia candelen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0266-4674&volume=19&issue=pt 4&spage=397&epage=406&date=2003&atitle=Effects+of+artificial+defoliation+on+growth,+reproduction+and+leaf+chemistry+of+the+mangrove+Kandelia+candelen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1017/S0266467403003444en_HK
dc.identifier.scopuseid_2-s2.0-0041846885-
dc.identifier.isiWOS:000184650700005-

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