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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-011-0716-z
|2 doi
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|a pubmed24n0698.xml
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|a (DE-627)NLM209308184
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|a (NLM)21688058
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Yu, Shuangying
|e verfasserin
|4 aut
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| 245 |
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|a Metal accumulation and evaluation of effects in a freshwater turtle
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 16.03.2012
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|a Date Revised 20.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a A variety of contaminants have been detected in aquatic and terrestrial environments around the Paducah Gaseous Diffusion Plant (PGDP), Kentucky. The presence of these contaminants at the PGDP may pose a risk to biota, yet little is known about the bioaccumulation of contaminants and associated effects in wildlife, especially in aquatic turtles. The current study was initiated to evaluate: (1) the accumulation of heavy metals (Cd, Cr, Cu, Pb, and Hg) in aquatic ecosystems associated with the PGDP using red-eared slider turtle (Trachemys scripta elegans) as biomonitors; (2) maternal transfer of heavy metals; and (3) potential hematological and immunological effects resulting from metal accumulation. A total of 26 turtles were collected from 7 ponds located south, adjacent, and north of the PGDP. Liver Cu concentrations were significantly different among ponds and Cu concentrations in eggs were positively correlated with female Cu concentrations in kidney. The concentrations of heavy metals measured in turtle tissues and eggs were low and, based on previous studies of reptiles and established avian threshold levels of heavy metals, did not appear to have adverse effects on aquatic turtles inhabiting ponds near the PGDP. However, total white blood cell counts, heterophil to lymphocyte ratio, and phytohemagglutinin stimulation index were correlated with metal concentrations. Because other factors may affect the hematological and immunological indices, further investigation is needed to determine if these effects are associated with metal exposure, other contaminants, or disease
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Metals, Heavy
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Halbrook, Richard S
|e verfasserin
|4 aut
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|a Sparling, Donald W
|e verfasserin
|4 aut
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|a Colombo, Robert
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 20(2011), 8 vom: 28. Nov., Seite 1801-12
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
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|g volume:20
|g year:2011
|g number:8
|g day:28
|g month:11
|g pages:1801-12
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|u http://dx.doi.org/10.1007/s10646-011-0716-z
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