| Concentration of organochlorine in egg yolk and reproductive success of Egretta garzetta (Linnaeus, 1758) at Wat Tan-en non-hunting area, Phra Nakhorn Si Ayuthaya Province, Thailand. | |
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MedLine Citation:
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PMID: 17081607 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Contaminant analyses in animal eggs have illustrated the benefit of wildlife as indicators of xenobiotic contamination in natural habitats. In 2002, concentrations of 16 organochlorine insecticides were measured in egg yolk and the reproductive success of the little egret, Egretta garzetta, was studied in a population at Wat Tan-en non-hunting area Bang Pahan District, Phra Nakhorn Si Ayuthaya Province, Thailand. Only 4,4'-dichloro diphenylethane (4,4'-DDE) was detected in the yolk of all samples (n=12) at the concentrations ranging from 33.4 to 116.0 ng/gwetwt. Mean eggshell thickness (n=24) was 0.261+/-0.005 mm. Relationships between the concentrations of 4,4'-DDE and eggshell thickness as well as the reproductive success at all stages were not found (P>0.05). Rather, major factors potentially influencing the decline of reproductive success observed during the field study may include strong wind, predators, intraspecific and interspecific competitions. |
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Authors:
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S Keithmaleesatti; K Thirakhupt; A Pradatsudarasar; P Varanusupakul; N Kitana; M Robson |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2006-11-01 |
Journal Detail:
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Title: Ecotoxicology and environmental safety Volume: 68 ISSN: 0147-6513 ISO Abbreviation: Ecotoxicol. Environ. Saf. Publication Date: 2007 Sep |
Date Detail:
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Created Date: 2007-07-27 Completed Date: 2007-11-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7805381 Medline TA: Ecotoxicol Environ Saf Country: United States |
Other Details:
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Languages: eng Pagination: 79-83 Citation Subset: IM |
Affiliation:
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Inter-department of Environmental Science, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Birds / physiology* Clutch Size / drug effects Dichlorodiphenyl Dichloroethylene / analysis, toxicity Egg Shell / drug effects, pathology Egg Yolk / chemistry* Environmental Monitoring Female Hydrocarbons, Chlorinated / analysis*, toxicity Insecticides / analysis*, toxicity Reproduction / drug effects, physiology* Thailand Water Pollutants, Chemical / analysis*, toxicity |
| Chemical | |
Reg. No./Substance:
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0/Hydrocarbons, Chlorinated; 0/Insecticides; 0/Water Pollutants, Chemical; 72-55-9/Dichlorodiphenyl Dichloroethylene |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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