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Article: Spatio-temporal changes of marine macrobenthic community in sub-tropical waters upon recovery from eutrophication. II. Life-history traits and feeding guilds of polychaete community
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TitleSpatio-temporal changes of marine macrobenthic community in sub-tropical waters upon recovery from eutrophication. II. Life-history traits and feeding guilds of polychaete community
 
AuthorsCheung, SG1
Lam, NWY1
Wu, RSS1
Shin, PKS1
 
KeywordsEutrophication
Feeding guilds
Life-history traits
Polychaete community
Recovery
 
Issue Date2008
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/marpolbul
 
CitationMarine Pollution Bulletin, 2008, v. 56 n. 2, p. 297-307 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.marpolbul.2007.10.019
 
AbstractA two-year study was conducted in the vicinity of a harbour in sub-tropical Hong Kong, to examine the progress of recovery of macrobenthic community, based on analyses of both life-history traits and trophic guilds of polychaetes, upon cessation of organic pollution caused by sewage discharge. Seventy seven out of 83 species collected were classified under four ecological groups based on the life-history traits and sensitivity to organic gradients. The mean ATZI marine biotic index (AMBI) derived from these ecological groups showed spatial difference among the five sampling locations. In particular, the presence of different percentages of polychaete species from Groups III (unbalanced community) and IV (polluted community) suggested the presence of pollution stress in certain degree at all sampling locations. However, no significant temporal changes were noted over the study period. From all polychaete species identified, they were classified into 13 feeding guilds. The mean diversity of these feeding guilds at most of the sampling locations was significantly higher than that at one of the inside-harbour locations. The composition of feeding guilds was also significantly different spatially. At one of the inside-harbour locations, the dominant feeding guilds were motile/discretely motile surface deposit feeders with tentaculates or unarmed pharynx, and motile omnivores with jawed pharynx in the first year of study, but were replaced by motile, jawed carnivores in the second year of study. The increased proportion of carnivores over the study period can be seen as a sign of recovery in the community structure since abundance of predators is commonly higher in habitats with better environmental quality. The implications of using life-history traits and feeding guild analyses for benthic community are discussed. © 2007 Elsevier Ltd. All rights reserved.
 
ISSN0025-326X
2013 Impact Factor: 2.793
2013 SCImago Journal Rankings: 1.197
 
DOIhttp://dx.doi.org/10.1016/j.marpolbul.2007.10.019
 
ISI Accession Number IDWOS:000254101900023
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorCheung, SG
 
dc.contributor.authorLam, NWY
 
dc.contributor.authorWu, RSS
 
dc.contributor.authorShin, PKS
 
dc.date.accessioned2010-09-17T10:53:37Z
 
dc.date.available2010-09-17T10:53:37Z
 
dc.date.issued2008
 
dc.description.abstractA two-year study was conducted in the vicinity of a harbour in sub-tropical Hong Kong, to examine the progress of recovery of macrobenthic community, based on analyses of both life-history traits and trophic guilds of polychaetes, upon cessation of organic pollution caused by sewage discharge. Seventy seven out of 83 species collected were classified under four ecological groups based on the life-history traits and sensitivity to organic gradients. The mean ATZI marine biotic index (AMBI) derived from these ecological groups showed spatial difference among the five sampling locations. In particular, the presence of different percentages of polychaete species from Groups III (unbalanced community) and IV (polluted community) suggested the presence of pollution stress in certain degree at all sampling locations. However, no significant temporal changes were noted over the study period. From all polychaete species identified, they were classified into 13 feeding guilds. The mean diversity of these feeding guilds at most of the sampling locations was significantly higher than that at one of the inside-harbour locations. The composition of feeding guilds was also significantly different spatially. At one of the inside-harbour locations, the dominant feeding guilds were motile/discretely motile surface deposit feeders with tentaculates or unarmed pharynx, and motile omnivores with jawed pharynx in the first year of study, but were replaced by motile, jawed carnivores in the second year of study. The increased proportion of carnivores over the study period can be seen as a sign of recovery in the community structure since abundance of predators is commonly higher in habitats with better environmental quality. The implications of using life-history traits and feeding guild analyses for benthic community are discussed. © 2007 Elsevier Ltd. All rights reserved.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationMarine Pollution Bulletin, 2008, v. 56 n. 2, p. 297-307 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.marpolbul.2007.10.019
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.marpolbul.2007.10.019
 
dc.identifier.epage307
 
dc.identifier.isiWOS:000254101900023
 
dc.identifier.issn0025-326X
2013 Impact Factor: 2.793
2013 SCImago Journal Rankings: 1.197
 
dc.identifier.issue2
 
dc.identifier.pmid18061624
 
dc.identifier.scopuseid_2-s2.0-38949095643
 
dc.identifier.spage297
 
dc.identifier.urihttp://hdl.handle.net/10722/92668
 
dc.identifier.volume56
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/marpolbul
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofMarine Pollution Bulletin
 
dc.relation.referencesReferences in Scopus
 
dc.subjectEutrophication
 
dc.subjectFeeding guilds
 
dc.subjectLife-history traits
 
dc.subjectPolychaete community
 
dc.subjectRecovery
 
dc.titleSpatio-temporal changes of marine macrobenthic community in sub-tropical waters upon recovery from eutrophication. II. Life-history traits and feeding guilds of polychaete community
 
dc.typeArticle
 
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Author Affiliations
  1. City University of Hong Kong