បង្ហាញកំណត់ត្រាសាមញ្ញសម្រាប់ធាតុ

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dc.contributor.authorBañada, Vicente C.
dc.contributor.editorTaki, Yasuhiko
dc.contributor.editorPrimavera, Jurgenne H.
dc.contributor.editorLlobrera, Jose A.
dc.date.accessioned2012-04-20T03:41:08Z
dc.date.available2012-04-20T03:41:08Z
dc.date.issued1985
dc.identifier.citationBañada,V. C. (1985). Seasonal and local occurrence of adults and postlarval stages of Penaeus merguiensis and Penaeus indicus in Batan bay, Philippines. (Abstract only). In Taki Y., Primavera J.H. and Llobrera J.A. (Eds.). Proceedings of the First International Conference on the Culture of Penaeid Prawns/Shrimps, 4-7 December 1984, Iloilo City, Philippines (p. 176). Iloilo City, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.en
dc.identifier.isbn9718511008
dc.identifier.urihttp://hdl.handle.net/10862/889
dc.descriptionAbstract only.en
dc.description.abstractStudies on seasonal and local occurrence of adults (spawners) and postlarval stages of Penaeus merguiensis and P. indicus in Batan Bay and Banate Bay, Aklan yielded the following results: 1) small-sized P. merguiensis and P. indicus dominated the rivers and interior bays, 2) P. merguiensis and P. indicus spawners appeared throughout the year with varying monthly abundance in Batan Channel and Banate shoreline, and 3) larval stages of penaeids were found in interior bays but were more abundant in the channel and offshore areas. Postlarval stages of penaeids are more abundant along the shoreline than in water edges of mangrove swamps which indicate that channels and offshore waters may be primary spawning grounds while interior bays and rivers are secondary spawning grounds. Moreover, size distribution of carapace length of P. merguiensis suggests that the channel and offshore areas are utilized as primary spawning grounds while the inner portions of the bay are nursery grounds and secondary spawning grounds. Lunar phase did not show a positive correlation with abundance of both spawners and postlarval P. merguiensis and P. indicus. The minimum size at sexual maturity for both male and female P. merguiensis is about 11 mm CL. Female P. indicus appear to become sexually mature at a smaller size (13 mm CL) than males (20 mm CL).en
dc.language.isoenen
dc.publisherAquaculture Department, Southeast Asian Fisheries Development Centeren
dc.subjectCrustacean larvaeen
dc.subjectDistributionen
dc.subjectSpawning populationen
dc.subjectPenaeus indicusen
dc.subjectPhilippinesen
dc.titleSeasonal and local occurrence of adults and postlarval stages of Penaeus merguiensis and Penaeus indicus in Batan bay, Philippinesen
dc.typeConference posteren
dc.citation.spage176
dc.citation.conferenceTitleProceedings of the First International Conference on the Culture of Penaeid Prawns/Shrimps, 4-7 December 1984, Iloilo City, Philippinesen


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