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Distribution and Strandings of Endangered Sea Turtles in Korean Waters

한국 연안의 멸종위기 바다거북의 분포 및 좌초 현황

  • Moon, Dae-Yeon (Cetacean Research Institute, National Fisheries Research and Development Institute) ;
  • Jung, Min-Min (Jeju Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • An, Yong-Rock (Cetacean Research Institute, National Fisheries Research and Development Institute) ;
  • Choi, Seok-Gwan (Cetacean Research Institute, National Fisheries Research and Development Institute) ;
  • Oh, Bong-Se (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Kim, Zang-Geun (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Lee, Chu (East Sea Research Institute, National Fisheries Research and Development Institute) ;
  • Kim, Moon-Jin (Busan Aquarium) ;
  • Kim, Sam-Yeon (Jeju Fisheries Research Institute, National Fisheries Research and Development Institute)
  • 문대연 (국립수산과학원 고래연구소) ;
  • 정민민 (국립수산과학원 제주연구소) ;
  • 안용락 (국립수산과학원 고래연구소) ;
  • 최석관 (국립수산과학원 고래연구소) ;
  • 오봉세 (국립수산과학원 남해연구소 증식과) ;
  • 김장근 (국립수산과학원 자원연구과) ;
  • 이주 (국립수산과학원 동해연구소 증식과) ;
  • 김문진 (부산아쿠아리움) ;
  • 김삼연 (국립수산과학원 제주연구소)
  • Published : 2009.12.31

Abstract

This paper reports the strandings of sea turtles on Korean shores monitored for the first time in 2008. A total of 19 sea turtles, consisting of 12 greens and 7 loggerheads, were recorded as stranded from the east coast to the south including Jeju Island. Reported strandings reached a peak in July and dominant area was Jeju Island. The curved carapace length of loggerhead sea turtles ranged 65-84.2cm and that of green sea turtles ranged 39.2-90cm, indicating most of them were immature to sub-adult. Out of 19 turtles, 11 were found dead with unknown reasons. Possible causes of death may include drawning by fishing gear, swallowing of marine debris, boat collision, and diseases. An immature green sea turtle tagged with a satellite transmitter spent winter near Jeju Island where it was released, suggesting that the Island provide immature greens a feeding ground. Considering thousands of sea turtles crawl on Japanese shores for nesting every year, the number of sea turtles reported in Korean waters was relatively small. Therefore, it is suggested that an appropriate monitoring system be necessary to protect and conserve endangered sea turtle species in Korean waters.

Keywords

References

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