충남 갯벌 저서환경과 대형저서동물의 군집 변화 (Benthic Environment and Community Structure of Macrobenthos at the Tidal Flats in Chung-nam, Korea)

서지정보

· 발행기관 : 한국수산과학회
· 수록지 정보 : 한국수산과학회지 / 48권 / 1호 / 104 ~ 115페이지
· 저자명 : 김종춘, 마채우, 정윤환

초록

This study was conducted during April–June in 2008 and 2010, following the Taean Oil Spill. We measured year-toyear changes in benthos species abundances and composition in 16 intertidal zone regions of Chungcheongnam-do. In total, 154 species were found 2008 and 134 in 2010; the mean abundance per area was 403 ind./m2 and 242 ind./ m2, respectively. In 2008, the 10 dominant species included four species of arthropods, three species of annelids, and three species of mollusks. In 2010, dominant species included five species of annelids, three species of mollusks, one species of arthropods, and one other species. We used bray-curtis similarity to group species and found two groups in 2008 and five in 2010, complementing our NMDS analysis. Finally, we tested correlations between abiotic and biotic factors, and implemented a BIO-ENV analysis, which showed that sediment type, MZ (Phi), and organic content are important environmental factors affecting benthos in the Chung-nam tidal flats.

영어초록

This study was conducted during April–June in 2008 and 2010, following the Taean Oil Spill. We measured year-toyear changes in benthos species abundances and composition in 16 intertidal zone regions of Chungcheongnam-do. In total, 154 species were found 2008 and 134 in 2010; the mean abundance per area was 403 ind./m2 and 242 ind./ m2, respectively. In 2008, the 10 dominant species included four species of arthropods, three species of annelids, and three species of mollusks. In 2010, dominant species included five species of annelids, three species of mollusks, one species of arthropods, and one other species. We used bray-curtis similarity to group species and found two groups in 2008 and five in 2010, complementing our NMDS analysis. Finally, we tested correlations between abiotic and biotic factors, and implemented a BIO-ENV analysis, which showed that sediment type, MZ (Phi), and organic content are important environmental factors affecting benthos in the Chung-nam tidal flats.

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