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Article: Effects of 1,2-dichlorobenzene on the growth, bioenergetics and reproduction of the amphipod, Melita longidactyla

TitleEffects of 1,2-dichlorobenzene on the growth, bioenergetics and reproduction of the amphipod, Melita longidactyla
Authors
KeywordsAmphipods
Bioenergetics
Dichlorobenzene
Growth
Reproduction
Issue Date2010
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere
Citation
Chemosphere, 2010, v. 80 n. 1, p. 20-27 How to Cite?
AbstractThe amphipod Melita longidactyla occurs in great abundance and serves important roles in the trophic transfer and nutrient recycling in marine systems along the Chinese coast. This study investigated the lethal dose (48h LC 50), as well as sub-lethal effects of a common xenobiotic, 1,2-dichlorobenzene (1,2-DCB), on the bioenergetics, growth and reproduction of this important species. The 48h LC 50 for M. longidactyla exposed to 1,2-DCB was 780μgL -1. Exposure to 20μgL -1 1,2-DCB for 3weeks resulted in 22% reduction in the growth (dry weight) and 57% reduction in the number of progeny, respectively. Furthermore, a significant reduction in RNA:DNA ratio was observed in amphipods exposed to 1,2-DCB at concentration as low as 5μgL -1, whereas significant reductions in scope for growth occurred upon exposure to higher concentrations of 1,2-DCB (10 and 20μgL -1) for 3 and 5weeks. Our results showed that environmentally relevant concentrations of 1,2-DCB can affect the bioenergetics and more importantly, growth and reproduction of M. longidactyla, implicating that 1,2-DCB may affect the recruitment and sustainability of natural populations of this ecologically important species. © 2010.
Persistent Identifierhttp://hdl.handle.net/10722/140878
ISSN
2015 Impact Factor: 3.698
2015 SCImago Journal Rankings: 1.536
ISI Accession Number ID
Funding AgencyGrant Number
City University of Hong Kong
Funding Information:

This study was partially supported by a postgraduate studentship awarded to Esther Tong from the City University of Hong Kong.

References

 

DC FieldValueLanguage
dc.contributor.authorTong, ESPen_HK
dc.contributor.authorMerwe, JPVDen_HK
dc.contributor.authorChiu, JMYen_HK
dc.contributor.authorWu, RSSen_HK
dc.date.accessioned2011-09-23T06:20:49Z-
dc.date.available2011-09-23T06:20:49Z-
dc.date.issued2010en_HK
dc.identifier.citationChemosphere, 2010, v. 80 n. 1, p. 20-27en_HK
dc.identifier.issn0045-6535en_HK
dc.identifier.urihttp://hdl.handle.net/10722/140878-
dc.description.abstractThe amphipod Melita longidactyla occurs in great abundance and serves important roles in the trophic transfer and nutrient recycling in marine systems along the Chinese coast. This study investigated the lethal dose (48h LC 50), as well as sub-lethal effects of a common xenobiotic, 1,2-dichlorobenzene (1,2-DCB), on the bioenergetics, growth and reproduction of this important species. The 48h LC 50 for M. longidactyla exposed to 1,2-DCB was 780μgL -1. Exposure to 20μgL -1 1,2-DCB for 3weeks resulted in 22% reduction in the growth (dry weight) and 57% reduction in the number of progeny, respectively. Furthermore, a significant reduction in RNA:DNA ratio was observed in amphipods exposed to 1,2-DCB at concentration as low as 5μgL -1, whereas significant reductions in scope for growth occurred upon exposure to higher concentrations of 1,2-DCB (10 and 20μgL -1) for 3 and 5weeks. Our results showed that environmentally relevant concentrations of 1,2-DCB can affect the bioenergetics and more importantly, growth and reproduction of M. longidactyla, implicating that 1,2-DCB may affect the recruitment and sustainability of natural populations of this ecologically important species. © 2010.en_HK
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphereen_HK
dc.relation.ispartofChemosphereen_HK
dc.subjectAmphipodsen_HK
dc.subjectBioenergeticsen_HK
dc.subjectDichlorobenzeneen_HK
dc.subjectGrowthen_HK
dc.subjectReproductionen_HK
dc.subject.meshAmphipoda - drug effects - growth and development-
dc.subject.meshAnimals-
dc.subject.meshChlorobenzenes - chemistry - toxicity-
dc.subject.meshEnergy Metabolism - drug effects-
dc.subject.meshWater Pollutants, Chemical - chemistry - toxicity-
dc.titleEffects of 1,2-dichlorobenzene on the growth, bioenergetics and reproduction of the amphipod, Melita longidactylaen_HK
dc.typeArticleen_HK
dc.identifier.emailChiu, JMY: jillchiu@hku.hken_HK
dc.identifier.emailWu, RSS: rudolfwu@hku.hken_HK
dc.identifier.authorityChiu, JMY=rp01325en_HK
dc.identifier.authorityWu, RSS=rp01398en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.chemosphere.2010.03.045en_HK
dc.identifier.pmid20416923-
dc.identifier.scopuseid_2-s2.0-77952672744en_HK
dc.identifier.hkuros192056en_US
dc.identifier.hkuros172458-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77952672744&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume80en_HK
dc.identifier.issue1en_HK
dc.identifier.spage20en_HK
dc.identifier.epage27en_HK
dc.identifier.isiWOS:000278604500004-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridTong, ESP=35796447700en_HK
dc.identifier.scopusauthoridMerwe, JPVD=35795979800en_HK
dc.identifier.scopusauthoridChiu, JMY=8833480800en_HK
dc.identifier.scopusauthoridWu, RSS=7402945079en_HK
dc.identifier.citeulike7083586-

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