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논문 기본 정보

자료유형
학술저널
저자정보
홍두표 (강원대학교 환경학과) 김재훈 (강원대학교) 김범준 (강원대학교 환경연구소) 이광열 ((주) 자연과 사람) 김희갑 (강원대학교) 김윤희 (강원대학교 환경연구소) 최재석 (강원대학교 환경연구소)
저널정보
강원대학교 농업생명과학연구원(구 농업과학연구소) 농업생명환경연구 농업생명환경연구 제36권 제1호
발행연도
2024.3
수록면
37 - 53 (17page)
DOI
10.22698/jales.20240004

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초록· 키워드

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In this study, we focused primarily on analyzing the fish community in Lake Yeongrang, a representative lagoon in Korea, aiming to investigate changes in the aquatic ecosystem of this lake by comparing the fish community surveyed before 2009 with the conditions observed after that year. For this purpose, four surveys were conducted from December 2022 to October 2023 at five different locations, collecting a total of 3,498 individuals from 26 families and 42 species. A comparison with past data revealed significant changes in the composition of primary freshwater fish, peripheral freshwater fish, and seawater fish. Regarding species, the research findings indicated notable differences compared with past data. The percentage of primary freshwater fish was 10% lower, that of peripheral freshwater fish was 20% lower, and that of seawater fish showed an increase of over 30% compared to past data. A similar pattern was observed when considering individual counts. Primary freshwater fish exhibited a decrease of 12%, peripheral freshwater fish decreased by over 5%, and seawater fish showed an increase of more than 16% compared to previous data. Therefore, the aquatic ecosystem of Lake Yeongrang appears to have undergone significant marinification, largely owing to human-induced interventions. The distinctive function of the lagoon, characterized by material cycling influenced by the breaking sandbar, has been substantially compromised. Additionally, the aquatic ecosystem of Lake Yeongrang was affected by the installation of a floating bridge. Therefore, continuous monitoring and research are required.

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