Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Seasonal Changes of Zooplankton Communities along the Coast of Geumo Arichipelago, Yeosu

여수 금오열도 연안에서 동물플랑크톤 군집의 계절 변동

  • Oh, Hyun-Ju (External Research Cooperation Division, NFRDI) ;
  • Moon, Seong Yong (Division of Marine Technology, Chonnam National University) ;
  • Soh, Ho Young (Division of Marine Technology, Chonnam National University)
  • 오현주 (국립수산과학원 대외협력과) ;
  • 문성용 (전남대학교 해양기술학부 환경해양학전공) ;
  • 서호영 (전남대학교 해양기술학부 환경해양학전공)
  • Received : 2013.08.06
  • Accepted : 2013.09.03
  • Published : 2013.09.30
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Abstract

To understand the seasonal changes in the zooplankton community, we investigated their occurrence patterns and environmental factors during four seasons at 9 stations along the coast of Geumo Archipelago, Yeosu. A total of 44 taxa were sampled, with an abundance ranging from 15~$28,183inds.\;m^{-3}$, among which Noctiluca scintillans predominented. Noctiluca scintillans, Paracalaus parvus s. l., Acartia (Acartiura) omorii, Oithona spp., Aidanosagitta crassa, dedapods larvae, copepods nauplii, and copepodites were the most abundant taxa detected. Species diversity of zooplankton was high in autumn and winter, but it was relatively low in summer and spring. Non-metric multidimensional scaling (nMDS) revealed significant differences in the structures of the zooplankton community among the seasons. Our results showed that the seasonal variation in zooplankton community along the coast of Guemo Archipelago, Yeosu were attributable to seasonal changes in temperature, salinity, and Chl. a concentration. Additionally, this particularly study area might have been specifically influenced by occurs of the neritic species.

금오열도 연안에서 출현하는 동물플랑크톤 계절별 군집의 변동 양상을 이해하기 위해 그들의 출현 양상과 환경인자를 2003년 8월부터 2004년 4월까지 계절별로 실시하였다. 조사기간 동안 출현한 동물플랑크톤은 모두 44개 분류군이 출현하였고, 출현 개체수는 15~$28,183inds.\;m^{-3}$의 범위를 보였으며, N. scintillans가 가장 우점 하는 분류군이었다. 동물플랑크톤 주요 분류군은 N. scintillans를 포함하여 P. parvus s. l., A. omorii, Oithona spp., Aidanosagitta crassa, 십각류 유생, 요각류 전기유생, 요각류 후기유생이었다. 종 다양도 지수는 여름철과 봄철에 낮게 나타난 반면에 가을철과 겨울철에는 높게 나타났다. 결과적으로 금오열도 연안의 동물플랑크톤 출현양상이 계절에 따른 수온, 염분, Chl. a 농도와 함께 일부 내만종들에 기인하여 변동될 수 있음을 시사하고 있다.

Keywords

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