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Bull Environ Contam Toxicol. 2009 Nov;83(5):703-7. doi: 10.1007/s00128-009-9845-y. Epub 2009 Aug 19.

Cadmium accumulation in two populations of rice frogs (Fejervarya limnocharis) naturally exposed to different environmental cadmium levels.

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  • 1International Postgraduate Programs in Environmental Management, Graduate School, Chulalongkorn University, Bangkok, Thailand.

Abstract

Contaminant accumulation analysis is important in the study of sentinels. This research determined cadmium accumulation and bioconcentration factors of whole organism, liver, kidney, ovary and testis of Fejervarya limnocharis exposed to different environmental cadmium levels. Frogs from contaminated sites had significantly higher hepatic (1.939 mg/kg), renal (7.253 mg/kg) and testicular (1.462 mg/kg) cadmium than those from the reference sites (0.205, 0.783 and 0.379 mg/kg, respectively). Cadmium accumulation was the highest during the late dry and early rainy seasons. If this species is used as a sentinel for cadmium accumulation, the utilization of its whole organism, liver, kidney and testis is appropriate.

PMID:
19690790
PMCID:
PMC4040278
DOI:
10.1007/s00128-009-9845-y
[PubMed - indexed for MEDLINE]
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