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Article: Effects of 1,2-dichlorobenzene on the growth, bioenergetics and reproduction of the amphipod, Melita longidactyla
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TitleEffects of 1,2-dichlorobenzene on the growth, bioenergetics and reproduction of the amphipod, Melita longidactyla
 
AuthorsTong, ESP1 2
Merwe, JPVD1
Chiu, JMY1
Wu, RSS1
 
KeywordsAmphipods
Bioenergetics
Dichlorobenzene
Growth
Reproduction
 
Issue Date2010
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere
 
CitationChemosphere, 2010, v. 80 n. 1, p. 20-27 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.chemosphere.2010.03.045
 
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.
 
ISSN0045-6535
2012 Impact Factor: 3.137
2012 SCImago Journal Rankings: 1.554
 
DOIhttp://dx.doi.org/10.1016/j.chemosphere.2010.03.045
 
ISI Accession Number IDWOS:000278604500004
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.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorTong, ESP
 
dc.contributor.authorMerwe, JPVD
 
dc.contributor.authorChiu, JMY
 
dc.contributor.authorWu, RSS
 
dc.date.accessioned2011-09-23T06:20:49Z
 
dc.date.available2011-09-23T06:20:49Z
 
dc.date.issued2010
 
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.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationChemosphere, 2010, v. 80 n. 1, p. 20-27 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.chemosphere.2010.03.045
 
dc.identifier.citeulike7083586
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.chemosphere.2010.03.045
 
dc.identifier.epage27
 
dc.identifier.hkuros192056
 
dc.identifier.hkuros172458
 
dc.identifier.isiWOS:000278604500004
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.

 
dc.identifier.issn0045-6535
2012 Impact Factor: 3.137
2012 SCImago Journal Rankings: 1.554
 
dc.identifier.issue1
 
dc.identifier.pmid20416923
 
dc.identifier.scopuseid_2-s2.0-77952672744
 
dc.identifier.spage20
 
dc.identifier.urihttp://hdl.handle.net/10722/140878
 
dc.identifier.volume80
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofChemosphere
 
dc.relation.referencesReferences in Scopus
 
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.subjectAmphipods
 
dc.subjectBioenergetics
 
dc.subjectDichlorobenzene
 
dc.subjectGrowth
 
dc.subjectReproduction
 
dc.titleEffects of 1,2-dichlorobenzene on the growth, bioenergetics and reproduction of the amphipod, Melita longidactyla
 
dc.typeArticle
 
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Author Affiliations
  1. City University of Hong Kong
  2. Black &amp; Veatch