태안 안면도 조간대에 서식하는 바지락 (Ruditapes philippinarum) 의 조위별 성장양상Growth Patterns of the Manila Clam, Ruditapes philippinarum at Each Tidal Level in the Intertidal Zone in Tae-an, West Coast of South Korea
- Other Titles
- Growth Patterns of the Manila Clam, Ruditapes philippinarum at Each Tidal Level in the Intertidal Zone in Tae-an, West Coast of South Korea
- Authors
- 한형섬; 마채우; 김지연
- Issue Date
- 2012
- Publisher
- 한국패류학회
- Keywords
- Manila clam; Ruditapes philippianarum; growth; intertidal zone; exposure duration
- Citation
- The Korean Journal of Malacology, v.28, no.1, pp.29 - 35
- Journal Title
- The Korean Journal of Malacology
- Volume
- 28
- Number
- 1
- Start Page
- 29
- End Page
- 35
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/15872
- ISSN
- 1225-3480
- Abstract
- Growth patterns of the Manila clam, Ruditapes philippinarum in each tidal level were studied in the intertidal zone in Tae-an on the west coast of South Korea from April to August 2009. Environmental factors and the specimens of R. philippinarum were monthly collected at three intertidal locations: low intertidal zone, low-middle intertidal zone and middle intertidal zone. Temperature of sediment in low intertidal zone were lower than those in other intertidal locations. Concentrations of Chl-α were not significantly different between in each tidal level. Exposure hours in low intertidal zone were shorter than those in other intertidal locations. Density of each year class in low intertidal zone were higher than those in low-middle intertidal zone and middle intertidal zone. Growth factors of R. philippinarum in low intertidal zone were better than those in other intertidal locations. The growth rate of under one year class individuals of low intertidal zone were higher than those in low-middle intertidal zone and middle intertidal zone, before the main recruitment period of R. pilippinarum. Although the growth patterns of R. philippinarum may be affected by various environmental factors, we suggests that the exposure duration is the main affect in the growth patterns of R. philippinarum in intertidal zone.
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