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Study on natural short-necked clam, Ruditapes philippinarum, stocks in Yeongheung coast of Wando Island, Korea
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  • Journal title : The Korean Journal of Malacology
  • Volume 28, Issue 2,  2012, pp.109-116
  • Publisher : The Malacological Society of Korea
  • DOI : 10.9710/kjm.2012.28.2.109
 Title & Authors
Study on natural short-necked clam, Ruditapes philippinarum, stocks in Yeongheung coast of Wando Island, Korea
Cho, Sang-Man; Lee, Jong Hwa;
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 Abstract
In order to understand the effect of introduction of oyster rack culture on natural short-necked clam, Ruditapes philippinarum, stock, we investigated the status of natural clam stock prior to introduction of oyster rack culture at Yeongheung Coast of Wando Island. The growth equation of the clam was estimated as: from ring radius composition of shell. Instantaneous coefficient of total mortality and natural mortality were calculated as: 2.4087/year and 0.478/year, respectively. The age at first capture was estimated to be 2.55 year. The total biomass was estimated to 3.23 ton in the bed (0.8 ha). Applied by these parameters, the annual recruit biomass and the current yield per recruit (Y/R) was corresponded to and , respectively. Maximum sustainable yield (MSY) was estimated 0.77 ton/year which was close to annual catches, 0.74 ton/year, in the area.
 Keywords
Oyster rack culture;Ruditapes philippinarum;Stock assessment;
 Language
Korean
 Cited by
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