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Vertical Distribution of Mega-invertebrate and Calculation to the Stock Assessment of Commercial Species Inhibiting Shallow Hard-bottom in Dokdo, Korea
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  • Journal title : Ocean and Polar Research
  • Volume 24, Issue 4,  2002, pp.457-464
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2002.24.4.457
 Title & Authors
Vertical Distribution of Mega-invertebrate and Calculation to the Stock Assessment of Commercial Species Inhibiting Shallow Hard-bottom in Dokdo, Korea
Park, Heung-Sik; Park, Rae-Sun; Myoung, Jung-Goo;
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 Abstract
Distribution and stock assessment of mega-benthos living in the shallow hard bottom around Dokdo were studied in July,2000. Depth and topographical conditions have affected to the densities and biomass of benthic animals. In shallow area, less than 10 m depth, turbo shell Batillus cornutus, mussel, Mytilus corusucs were dominated and showed distinct patterns in vertical distribution. On the other hand, the area over 10m depth, it showed diverse pattern depending on topography. Turbo shell, mussel and sea cucumber Stichopus japonicus were dominated in terms of fishery resources, but abalones were rarely sampled. Stock assessment were estimated to be 6.54 M/T, 3.89 M/T and 8.92 M/T, respectively. Some parts of coastal hard bottom around Dokdo, such as the area between Dongdo and Seodo, seemed to play an Important role as nursery ground. Therefore, it is necessary to the environmental monitoring for coastal fishery managements aspects.
 Keywords
mega-benthos;Standing stock;hard-bottom;Dokdo;
 Language
Korean
 Cited by
1.
독도의 해조상 및 군집구조,최창근;이해원;홍병규;

한국수산과학회지, 2009. vol.42. 5, pp.503-508 crossref(new window)
2.
도서생물지리설의 관점에서 대형무척추동물 군집 비교,서인수;최병미;김미향;윤재성;박재영;이상엽;

환경생물, 2010. vol.28. 4, pp.179-187
3.
독도 주변해약에서 삼중자망으로 어획한 어류의 종조성 및 계절변동,이해원;홍병규;손명호;전영열;이동우;최영민;황강석;

한국수산과학회지, 2010. vol.43. 6, pp.693-704 crossref(new window)
1.
Seasonal Variation in Species Composition of Fish Collected by Trammel Net Around Dokdo, East Sea of Korea, Korean Journal of Fisheries and Aquatic Sciences, 2010, 43, 6, 693  crossref(new windwow)
2.
Marine Algal Flora and Community Structure in Dokdo, East Sea, Korea, Korean Journal of Fisheries and Aquatic Sciences, 2009, 42, 5, 503  crossref(new windwow)
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