Cadmium Accumulation in Two Populations of Rice Frogs (Fejervarya limnocharis) Naturally Exposed to Different Environmental Cadmium Levels

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• 作者：Mohd Sham Othman (1) (2) (3) (4)
  Wichase Khonsue (3)
  Jirarach Kitana (3)
  Kumthorn Thirakhupt (3)
  Mark Gregory Robson (2) (5) (6)
  Noppadon Kitana (3)
  
• 关键词：Cadmium ; Environment ; Fejervarya limnocharis ; Sentinel species
• 刊名：Bulletin of Environmental Contamination and Toxicology
• 出版年：2009
• 出版时间：November 2009
• 年：2009
• 卷：83
• 期：5
• 页码：703-707
• 全文大小：218KB
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• 作者单位：Mohd Sham Othman (1) (2) (3) (4)
  Wichase Khonsue (3)
  Jirarach Kitana (3)
  Kumthorn Thirakhupt (3)
  Mark Gregory Robson (2) (5) (6)
  Noppadon Kitana (3)
  
  1. International Postgraduate Programs in Environmental Management, Graduate School, Chulalongkorn University, Bangkok, Thailand
  2. National Center of Excellence for Environmental and Hazardous Waste Management (NCE-EHWM), Chulalongkorn University, Bangkok, Thailand
  3. Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
  4. Environmental Health Program, Faculty of Allied Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
  5. School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
  6. Thai Fogarty International Training and Research in Environmental and Occupational Health Center, Chulalongkorn University, Bangkok, Thailand
  
• ISSN：1432-0800

文摘

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.