Quantitative assessment of reproductive effort of the Manila clam Ruditapes philippinarum in a lagoon on Jeju Island (Korea) using enzyme-linked immunosorbent assay
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Title
- Quantitative assessment of reproductive effort of the Manila clam Ruditapes philippinarum in a lagoon on Jeju Island (Korea) using enzyme-linked immunosorbent assay
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Author(s)
- Uddin, M. Jasim; Jeung, Hee-Do; Yang, Hyun-Sung; Kim, Bong-Kyu; Ju, Se-Jong; Choi, Kwang-Sik
- KIOST Author(s)
- Yang, Hyun Sung(양현성); Ju, Se Jong(주세종)
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Alternative Author(s)
- 양현성; 주세종
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Publication Year
- 2013
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Abstract
- We investigated gonad development and reproductive effort (RE) of the Manila clam Ruditapes philippinarum at Jeju Island, Korea. Gonad maturation and RE were determined using histology and an indirect enzyme-linked immunosorbent assay (ELISA). In June 2006, most of the clams (80%) in the lagoon were in the resting stage. Spawning clams first appeared in late July, and most clams spawned from early August to mid-September. The condition index increased gradually from early July to late August, then declined from early to mid-September, suggesting that spawning occurred during this period. The gonadosomatic index assessed by ELISA also increased dramatically from June (0.9), peaked in early August (19.7) then declined from late August to mid-September, indicating that clams at the study site had only one spawning pulse during the spawning period. Spawning at Jeju Island was one month later than Manila clams on the west coast of Korea. The delayed spawning and low RE of the clams could be in part, be explained by lower food availability, as the level of chlorophyll-a recorded in this study was much lower than that found in water from the west and south coast.
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ISSN
- 0792-4259
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/3342
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DOI
- 10.1080/07924259.2013.793219
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Bibliographic Citation
- INVERTEBRATE REPRODUCTION & DEVELOPMENT, v.57, no.4, pp.316 - 324, 2013
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Publisher
- TAYLOR & FRANCIS LTD
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Subject
- CRASSOSTREA-GIGAS THUNBERG; PACIFIC OYSTER; TAPES-PHILIPPINARUM; GAMETOGENIC CYCLE; PERKINSUS-OLSENI; SEASONAL-CHANGES; NEW-ZEALAND; WEST-COAST; REEVE 1850; GROWTH
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Keywords
- Manila clam; fecundity; quantification; GSI; food availability
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Type
- Article
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Language
- English
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Document Type
- Article
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