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순천 상내리 갯벌역에 출현하는 문절망둑 (Acanthogobius flavimanus)의 식성

Feeding habits of yellowfin goby, Acanthogobius flavimanus in the tidal flat of Sangnae-ri, Suncheon, Korea

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참고문헌

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주제분류수산학

초록

문절망둑의 식성에 한 선행 연구는 잘피밭에서만 이 루어졌기 때문에 서식지간 먹이습성을 비교하기 위하 여 갯벌에 출현하는 문절망둑의 식성 연구가 필요할 것으로 판단되었다. 따라서 이번 연구의 목적은 생태적 으로 중요한 순천만 갯벌역에 출현하는 문절망둑의 위내용물을 분석하여 주요먹이생물, 성장에 따른 먹이변 화를 조사함으로써 생태학적 정보와 수산자원 관리에 필요한 기초자료를 제공하기 위함이다.

Abstract

The feeding habits of yellowfin goby (Acanthogobius flavimanus) were studied based on the examination of stomach contents of 171 specimens collected from September 2013 to August 2014 in the tidal flat of Sangnae-ri, Suncheon, Korea. The size of A. flavimanus ranged from 10.6 to 18.3 cm in standard length (SL). A. flavimanus mainly consumed amphipods (especially Corophium sp.). Its diet also included shrimps, crabs, fishes and polychaetes. Ontogenetic changes in diet composition of A. flavimanus were evident. The portion of amphipods and polychaetes was inversely proprotional to the increase in fish size whereas it was directly proportional to the increase in the consumption of shrimps and crabs increased.

참고문헌 (25)

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