온도가 긴꼬리투구새우(Triops longicaudatus (LeConte): Triopsidae, Notostraca)의 부화에 미치는 영향

Effect of Temperature on Hatching Rate of Triops longicaudatus (Triopsidae, Notostraca)

  • 권순직 (안동대학교 생명과학과) ;
  • 권혁영 (안동대학교 생명과학과) ;
  • 전영철 ((주)생태조사단 부설 두희자연환경연구소) ;
  • 이종은 (안동대학교 생명과학과) ;
  • 원두희 ((주)생태조사단 부설 두희자연환경연구소)
  • Kwon, Soon-Jik (Department of Biological Science, Andong National University) ;
  • Kwon, Hyeok-Young (Department of Biological Science, Andong National University) ;
  • Jun, Yung-Chul (Doohee Institute of Ecological Research (DIER), Korea Ecosystem Service Inc. (KES)) ;
  • Lee, Jong-Eun (Department of Biological Science, Andong National University) ;
  • Won, Doo-Hee (Doohee Institute of Ecological Research (DIER), Korea Ecosystem Service Inc. (KES))
  • 발행 : 2009.03.31

초록

긴꼬리투구새우 알의 온도별 부화율을 파악하기 위하여 여러 온도조건 (10, 15, 20, 25, 30, 35, 40, 45, $50^{\circ}C$)으로 설정된 인큐베이터에서 실험을 수행하였다. 실험재료로 사용된 긴꼬리투구새우의 알은 2006년 7월 경상북도 안동시 일대의 농경지에서 포획한 것이다. 부화 성공률은 $35^{\circ}C$에서 80.0 (${\pm}9.43$)%로 가장 높게 나타났다. 온도조건 중 $10^{\circ}C$$50^{\circ}C$에서는 부화 현상이 일어나지 않았다. 본 연구 결과 긴꼬리투구새우의 부화 최저임계온도는 $6.66^{\circ}C$, 최적 부화 온도는 $35^{\circ}C$로 나타났으며, 부화 가능 온도 범위는 $15{\sim}45^{\circ}C$로 비교적 넓은 것으로 확인되었다.

The hatching rate of the eggs of Triops longicaudatus (LeConte), an endangered tadpole shrimp species in Korea, was experimented in different levels of temperature (10, 15, 20, 25, 30, 35, 40, 45, and $50^{\circ}C$) under 24 L photoperiod conditions in incubator. Eggs of T. longicaudatus in this study were obtained from the adults collected from Andong-si, Gyeongsangbuk-do, Korea, in July 2006. The highest hatching rate was the 80.0 (${\pm}9.43$)% in average at $35^{\circ}C$. The thermal threshold for hatching was derived at $6.66^{\circ}C$. However, eggs were not hatched both at $10^{\circ}C$ and at $50^{\circ}C$ during the experimental period.

키워드

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