Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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The Estimation of Food Sources for Macroinvertebrates as Stenopsyche marmorata in Natory Stream by Fatty Acid

지방산 분석에 의한 나토리 하천 대형 무척추동물인 Stenopsyche marmorata의 먹이원 평가

  • Shin, Woo-Seok (Institute of Marine Science and Technology Research, Hankyong National University) ;
  • Kim, Boo-Gil (Department of Civil and Environmental Engineering, Dongseo University) ;
  • Lee, Yong-Doo (Department of Civil and Environmental Engineering, Cheju National University)
  • 신우석 (국립한경대학교 해양과학기술연구센터) ;
  • 김부길 (동서대학교 건축.토목공학부 토목공학과) ;
  • 이용두 (제주대학교 환경공학과)
  • Received : 2012.01.03
  • Accepted : 2012.02.24
  • Published : 2012.02.29
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Abstract

The purpose of this study is to clarify the origin and the variation of essential fatty acid (FA) and food sources of Stenopsyche marmorata at downstream region of Dam. As a result, the water particulate organic matter (POM) is mainly derived from diatom, green algae and bacteria. Moreover, the main food sources of S. marmorata mainly used diatom, green algae and bacteria. ${\omega}3$ essential FA of S. marmorata was higher than ${\omega}6$, and showed about 7 for essential FA ratio.

본 연구에서는 댐 하류에 있어서 Stenopsyche marmorata의 먹이원과 더불어 필수 지방산의 변화를 조사했다. 조사결과, 수중 POM의 기원은 규조류, 녹조류 같은 미세 조류 유래 유기물과 세균 유래 유기물이 큰 비중을 차지하고 있었다. 또한, S. marmorata의 지방산 검출에 의하면 규조류, 녹조류 및 세균이 주 먹이원으로 이용되고 있었다. S. marmorata의 ${\omega}3$ 필수 지방산은 ${\omega}6$보다 높게 검출되었으며, 전 조사 지점간에서 S. marmorata의 필수 지방산비는 약 7을 나타내고 있었다.

Keywords

References

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