Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Seasonal and Interannual Variation in Species Composition and Abundance of Decapod Assemblages Collected using Pots in the Coastal Waters off Gori, Korea

고리 주변해역 통발에서 채집된 십각류 종조성의 계절변동과 연간변동

  • Huh, Sung-Hoi (Department of Oceanography, Pukyong National University) ;
  • Park, Joo-Myun (Division of Marine Technology, Chonnam National University) ;
  • Jeong, Dal-Sang (Department of Aquaculture, Korea National Collage of Agriculture and Fisheries) ;
  • Baeck, Gun-Wook (Department of Marine Biology & Aquaculture / Institute of Marine Industry, College of Marine Science, Gyeongsang National University)
  • 허성회 (부경대학교 해양학과) ;
  • 박주면 (전남대학교 해양기술학부) ;
  • 정달상 (한국농수산대학 수산양식학과) ;
  • 백근욱 (경상대학교 해양생명과학과/해양산업연구소)
  • Received : 2010.07.29
  • Accepted : 2010.10.11
  • Published : 2010.10.31
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Abstract

The seasonal and interannual variation in the species composition and abundance of the decapod assemblage (shrimps, crabs, and hermit crabs) collected using pots in the coastal waters off Gori were studied between 2005 and 2008. During the study period, 49 decapod species belonging to 19 families were collected. The dominant species were Crangon hakodatei, Pandalus gracilis, Carcinoplax longimana, Charybdis bimaculata, Carcinoplax vestita, Diogenes edwardsii, and Dardanus arrosor. These seven species accounted for 95.46% of the total number of individuals collected. The number of species, number of individuals, biomass, and species diversity indices fluctuated with the seasons. The peak number and biomass of individuals occurred in July 2006. The number and biomass of individuals were higher in summer and lower in winter, and the diversity indices were lower in summer than in the other seasons. The abundance of dominant species showed some seasonal and interannual change; in particular, those of C. hakodatei and P. gracilis corresponded with the bottom water temperature.

Keywords

References

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