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- W2077372273 abstract "MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 196:169-177 (2000) - doi:10.3354/meps196169 Egg production by colonies of a gorgonian coral Elizabeth A. Beiring*, Howard R. Lasker Department of Biological Sciences, University at Buffalo, Buffalo, New York 14260, USA *Present address: Office of Wetlands, Oceans, and Watersheds (4504F), U.S. Environmental Protection Agency, Ariel Rios Building, 1200 Pennsylvania Ave. NW, Washington, DC 20460, USA. E-mail: beiring.elizabeth@epa.gov ABSTRACT: Reproductive success, the production and fertilization of gametes, is a key component of fitness. Among many colonial marine invertebrates, the production of gametes by a colony is a function of both gamete production per module (e.g., polyp, zooid) and the number of modules in the colony (i.e., colony size). We examined variance in gamete production per polyp and egg production per colony over a range of colony sizes, and the relationship between egg production and growth in the common Caribbean gorgonian Plexaura flexuosa. The number of polyps per colony and the average number of mature eggs per polyp both were greater among larger female colonies (>70 cm in height) than among smaller colonies (<70 cm), resulting in a 1 to 2 order of magnitude increase in whole colony egg release for the larger colonies. In a group of 24 colonies, 98% of the 9.2 × 106 eggs produced in one spawning event came from the 12 colonies taller than 70 cm. Branch extension rates showed no relationship to colony size, but whole colony relative growth appears to decrease as colony size increases. This suggests that proportionately less energy is used for growth as a colony gets larger, and thus may be available for reproduction. KEY WORDS: Reproduction · Growth · Invertebrates · Modular animals · Plexaura flexuosa Full text in pdf format PreviousNextExport citation RSS - Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 196. Publication date: April 18, 2000 Print ISSN:0171-8630; Online ISSN:1616-1599 Copyright © 2000 Inter-Research." @default.
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- W2077372273 title "Egg production by colonies of a gorgonian coral" @default.
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