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Article: Spatio-temporal variation in sediment biochemistry alters larval habitat selection and juvenile performance in the polychaete Capitella sp. I

TitleSpatio-temporal variation in sediment biochemistry alters larval habitat selection and juvenile performance in the polychaete Capitella sp. I
Authors
KeywordsCapitella Sp. I
Juvenile Growth
Larval Metamorphosis
Sediment Organic Matter
Survival
Issue Date2006
PublisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.html
Citation
Marine Ecology Progress Series, 2006, v. 327, p. 207-222 How to Cite?
AbstractThe aim of the present study was to understand how larvae and juveniles of the opportunistic polychaete Capitella sp. I respond to natural sediments with varying biochemical properties. Muddy sediments of a similar particle size spectrum were collected from 5 sites in Hong Kong along a pollution gradient of domestic sewage on 4 sampling occasions in both wet and dry seasons. The sediments were used to study the influence of organic matter quantity and composition (i.e. total organic carbon [TOC], total nitrogen [TN], chlorophyll a, biopolymeric carbon and enzymatically hydrolysable amino acid contents) on larval metamorphosis (i.e. habitat selection) and juvenile performance (i.e. growth and survivorship). Organic matter quantity and composition varied with sampling date and site. Still water multiple-choice experiments showed that larval choice at settlement varied with spatial and temporal variations in sediment biochemical properties. A series of experiments in the study also showed that both the quantity and the composition of organic matter affect the attractiveness of substrates to larvae and appear to play a key role in determining larval behavior at the time of settlement. Further laboratory experiments showed that larvae did not choose to settle on sediments from sites where juvenile growth was poor and mortality was higher. Our field data indicated that both larval metamorphosis and juvenile performance patterns observed in this laboratory study partially corroborate data on the abundance of adult Capitella spp. in the field. Overall, this study suggests that the field distribution of Capitella sp. I, and consequently species composition in a community, could be determined by the habitat selection by larvae and early juvenile performance. © Inter-Research 2006.
Persistent Identifierhttp://hdl.handle.net/10722/178978
ISSN
2015 Impact Factor: 2.361
2015 SCImago Journal Rankings: 1.554
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorThiyagarajan, Ven_US
dc.contributor.authorSoo, Len_US
dc.contributor.authorShin, PKSen_US
dc.contributor.authorQian, PYen_US
dc.date.accessioned2012-12-19T09:51:12Z-
dc.date.available2012-12-19T09:51:12Z-
dc.date.issued2006en_US
dc.identifier.citationMarine Ecology Progress Series, 2006, v. 327, p. 207-222en_US
dc.identifier.issn0171-8630en_US
dc.identifier.urihttp://hdl.handle.net/10722/178978-
dc.description.abstractThe aim of the present study was to understand how larvae and juveniles of the opportunistic polychaete Capitella sp. I respond to natural sediments with varying biochemical properties. Muddy sediments of a similar particle size spectrum were collected from 5 sites in Hong Kong along a pollution gradient of domestic sewage on 4 sampling occasions in both wet and dry seasons. The sediments were used to study the influence of organic matter quantity and composition (i.e. total organic carbon [TOC], total nitrogen [TN], chlorophyll a, biopolymeric carbon and enzymatically hydrolysable amino acid contents) on larval metamorphosis (i.e. habitat selection) and juvenile performance (i.e. growth and survivorship). Organic matter quantity and composition varied with sampling date and site. Still water multiple-choice experiments showed that larval choice at settlement varied with spatial and temporal variations in sediment biochemical properties. A series of experiments in the study also showed that both the quantity and the composition of organic matter affect the attractiveness of substrates to larvae and appear to play a key role in determining larval behavior at the time of settlement. Further laboratory experiments showed that larvae did not choose to settle on sediments from sites where juvenile growth was poor and mortality was higher. Our field data indicated that both larval metamorphosis and juvenile performance patterns observed in this laboratory study partially corroborate data on the abundance of adult Capitella spp. in the field. Overall, this study suggests that the field distribution of Capitella sp. I, and consequently species composition in a community, could be determined by the habitat selection by larvae and early juvenile performance. © Inter-Research 2006.en_US
dc.languageengen_US
dc.publisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.htmlen_US
dc.relation.ispartofMarine Ecology Progress Seriesen_US
dc.subjectCapitella Sp. Ien_US
dc.subjectJuvenile Growthen_US
dc.subjectLarval Metamorphosisen_US
dc.subjectSediment Organic Matteren_US
dc.subjectSurvivalen_US
dc.titleSpatio-temporal variation in sediment biochemistry alters larval habitat selection and juvenile performance in the polychaete Capitella sp. Ien_US
dc.typeArticleen_US
dc.identifier.emailThiyagarajan, V: rajan@hkucc.hku.hken_US
dc.identifier.authorityThiyagarajan, V=rp00796en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.3354/meps327207en_US
dc.identifier.scopuseid_2-s2.0-33846407949en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33846407949&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume327en_US
dc.identifier.spage207en_US
dc.identifier.epage222en_US
dc.identifier.isiWOS:000245319100018-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridThiyagarajan, V=6602476830en_US
dc.identifier.scopusauthoridSoo, L=15830784800en_US
dc.identifier.scopusauthoridShin, PKS=7004445653en_US
dc.identifier.scopusauthoridQian, PY=35240648600en_US

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