한국환경생태학회지 (Korean Journal of Environment and Ecology)

  • 제28권4호
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  • Pages.442-449
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  • 2014
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  • 1229-3857(pISSN)
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  • 2288-131X(eISSN)
한국환경생태학회 (Korean Society of Environment and Ecology)
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새만금 방조제 내측과 외측 조하대 대형저서동물의 생태학적 연구

An ecological study on subtidal macrobenthos inside and outside of Saemangeum dike

  • 김종춘 (순천향대학교 해양생명공학과) ;
  • 마채우 (순천향대학교 해양생명공학과) ;
  • 복영욱 (순천향대학교 해양생명공학과)
  • Kim, Jong-Chun (Department of Marine Biotechnology, Soonchunhyang University) ;
  • Ma, Che-Woo (Department of Marine Biotechnology, Soonchunhyang University) ;
  • Bok, Young-Wook (Department of Marine Biotechnology, Soonchunhyang University)
  • 투고 : 2014.03.19
  • 심사 : 2014.06.28
  • 발행 : 2014.08.31
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초록

본 연구는 새만금 지역에 서식하는 조하대 대형저서동물의 계절별 종조성과 양적 변화를 조사하여 저서동물의 주요 종 분포와 군집 변화양상을 파악하기 위하여 실시하였다. 전체 종수는 총 64종이었으며, 분류군별로는 환형동물(Annelida)이 34종 출현하여 전체의 53.0%를 점유 하였으며, 절지동물(Arthropoda)과 연체동물(Mollusca)이 각각 12종 출현하여 18.8%을 차지하였으며, 기타동물(Other)이 6종으로 9.4%를 점유하였다. 개체수는 총 24,885개체로 단위 면적당 개체수는 4147.5개체/$m^2$였으며, 이중 환형동물이 19,805개체로 79.6%를 나타냈고, 연체동물이 4,620개체로 18.5%, 기타 295개체 1.19%, 절지동물 165개체 0.7%를 차지하였다. Bray-Curtis 유사도(Similarity)를 분석한 결과, 새만금방조제를 기준으로 내측과 외측의 2개 그룹(A, B)으로 구분되어 나누어졌다. 또한, nMDS분석 결과와도 일치하는 것으로 나타났다. 저서오염지수(BPI)를 이용한 저서동물의 군집 분석결과, 각 정점별 지리적 위치, 내측 및 외측에 있어 뚜렷한 차이는 없는 것으로 나타났으나, 계절별로는 3월에 가장 양호한 것으로 조사되었다.

This study was carried out to measure the seasonal changes in community structure and species composition of marobenthos on the subtidal area of Saemangeum regions. The macrobenthos comprised 64 species were during this study, predominately annelids (53.0%), arthropods (18.8%), mollusks (18.8%) and 9.4% were from other species. Total abundance was 24,885 individuals, comprising 19,805 individuals of annelids (79.6%), 4,620 individuals of mollusks (18.5%), 295 individuals of other species (1.2%), and 165 individuals of arthropods (0.7%). After analyzing the bray-curtis similarity, had two large groups (A, B) the inside and outside of Saemangeum dike. They all matched the nMDS analysis. I evaluated the benthic community health using BPI (Benthic pollution Index). There are no significant differences between the station position and the inside or outside of Saemangeum dike. But, highest BPI level was in March.

키워드

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