Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
권호 표지

Intersexuality of Crassostrea gigas and Ruditapes philippinarum in Southern Coastal Waters of Korea

  • Lee, Jung-Sick (Department of Aqualife Medicine, Chonnam National University) ;
  • Lee, Yeon-Gyu (Faculty of Marine Technology, Chonnam National University) ;
  • Kang, Seung-Wan (Gyeongsangnam-Do Fisheries Resources Research Institute) ;
  • Park, Ji-Seon (Department of Aqualife Medicine, Chonnam National University) ;
  • Lee, Dong-Geun (Department of Aqualife Medicine, Chonnam National University) ;
  • Jeon, Mi-Ae (Department of Aqualife Medicine, Chonnam National University) ;
  • Ju, Sun-Mi (Department of Aqualife Medicine, Chonnam National University)
  • Received : 2010.08.23
  • Accepted : 2010.11.01
  • Published : 2010.12.31
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Abstract

Objectives : The aim of this study was to verify the intersexuality of Crassostrea gigas and Ruditapes philippinarum in southern coastal waters of Korea. Methods : Specimens of Crassostrea gigas (n=363) were collected from six areas of Tongyeong, Geoje and Yeosu. Ruditapes philippinarum (n=221) was collected from five areas of Yeosu. The sex ratio and intersexuality were determined after observing gonad preparations. Results : The rate of intersexuality in Crassostrea gigas was 16.25%, with females (24.79%; n=30/121) exhibiting a higher rate than males (11.98%; n=29/242). The rate of intersexuality in Ruditapes philippinarum was 24.43%, with females (37.76%; n=37/98) exhibiting a higher rate than males (13.82%; n=17/123). Conclusions : The results of this study suggest that intersexuality is induced by aquatic pollutants such as endocrine disrupting chemicals (EDCs).

Keywords

References

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