Reef coral reproduction in the equatorial eastern Pacific: Costa Rica, Panamá, and the Galápagos Islands (Ecuador). VII. Siderastreidae, Psammocora stellata and Psammocora profundacella

P. W. Glynn, S. B. Colley, J. L. Maté, I. B. Baums, J. S. Feingold, J. Cortés, H. M. Guzmán, J. C. Afflerbach, V. W. Brandtneris, Jerald S Ault

Research output: Contribution to journalArticle

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Abstract

Two zooxanthellate, scleractinian species present in the equatorial eastern Pacific, Psammocora stellata and Psammocora profundacella, were examined in terms of their reproductive biology and ecology at four study sites, non-upwelling (Caño Island, Costa Rica, and Uva Island, Panamá), upwelling (Gulf of Panamá, Panamá), and seasonally varying thermal environments (Galápagos Islands). Both species were gonochoric broadcast spawners lacking zooxanthellae in mature ova. Mature gametes and spawned gonads are present around full moon; however, no spawning was observed naturally or in outdoor aquaria. Mature gametes occurred in P. stellata at Caño Island for nearly 6 months, and year round at Uva Island, both non-upwelling sites. Reproductively active colonies occurred mostly in the warmer months in the Gulf of Panamá and Galápagos Islands. In the Galápagos Islands, where collecting effort was greatest for P. profundacella, mature gametes were also most prevalent during the warm season. Annual fecundity was high in both species, 1. 3-1. 8 × 10 4 ova cm -2 year -1 in P. stellata and 1. 2-2. 0 × 10 4 ova cm -2 year -1 in P. profundacella. Compared to other eastern Pacific corals, P. stellata was relatively resistant to ENSO-related bleaching and mortality, especially populations inhabiting deep (12-20 m) coral communities. Rapid recovery and persistence of Psammocora spp. can be attributed to several factors: (a) relative resistance to bleaching, (b) deep refuge populations, (c) broadcast spawning, (d) protracted seasonal reproduction, (e) high fecundity, and (f) asexual propagation.

Original languageEnglish
Pages (from-to)1917-1932
Number of pages16
JournalMarine Biology
Volume159
Issue number9
DOIs
StatePublished - Sep 1 2012

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Ecuador
Costa Rica
coral reefs
coral reef
gamete
ova
germ cells
bleaching
fecundity
corals
coral
spawning
vegetative propagation
warm season
reproductive biology
aquarium
aquariums
refuge
El Nino-Southern Oscillation
Moon

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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Reef coral reproduction in the equatorial eastern Pacific : Costa Rica, Panamá, and the Galápagos Islands (Ecuador). VII. Siderastreidae, Psammocora stellata and Psammocora profundacella. / Glynn, P. W.; Colley, S. B.; Maté, J. L.; Baums, I. B.; Feingold, J. S.; Cortés, J.; Guzmán, H. M.; Afflerbach, J. C.; Brandtneris, V. W.; Ault, Jerald S.

In: Marine Biology, Vol. 159, No. 9, 01.09.2012, p. 1917-1932.

Research output: Contribution to journalArticle

Glynn, P. W. ; Colley, S. B. ; Maté, J. L. ; Baums, I. B. ; Feingold, J. S. ; Cortés, J. ; Guzmán, H. M. ; Afflerbach, J. C. ; Brandtneris, V. W. ; Ault, Jerald S. / Reef coral reproduction in the equatorial eastern Pacific : Costa Rica, Panamá, and the Galápagos Islands (Ecuador). VII. Siderastreidae, Psammocora stellata and Psammocora profundacella. In: Marine Biology. 2012 ; Vol. 159, No. 9. pp. 1917-1932.
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abstract = "Two zooxanthellate, scleractinian species present in the equatorial eastern Pacific, Psammocora stellata and Psammocora profundacella, were examined in terms of their reproductive biology and ecology at four study sites, non-upwelling (Ca{\~n}o Island, Costa Rica, and Uva Island, Panam{\'a}), upwelling (Gulf of Panam{\'a}, Panam{\'a}), and seasonally varying thermal environments (Gal{\'a}pagos Islands). Both species were gonochoric broadcast spawners lacking zooxanthellae in mature ova. Mature gametes and spawned gonads are present around full moon; however, no spawning was observed naturally or in outdoor aquaria. Mature gametes occurred in P. stellata at Ca{\~n}o Island for nearly 6 months, and year round at Uva Island, both non-upwelling sites. Reproductively active colonies occurred mostly in the warmer months in the Gulf of Panam{\'a} and Gal{\'a}pagos Islands. In the Gal{\'a}pagos Islands, where collecting effort was greatest for P. profundacella, mature gametes were also most prevalent during the warm season. Annual fecundity was high in both species, 1. 3-1. 8 × 10 4 ova cm -2 year -1 in P. stellata and 1. 2-2. 0 × 10 4 ova cm -2 year -1 in P. profundacella. Compared to other eastern Pacific corals, P. stellata was relatively resistant to ENSO-related bleaching and mortality, especially populations inhabiting deep (12-20 m) coral communities. Rapid recovery and persistence of Psammocora spp. can be attributed to several factors: (a) relative resistance to bleaching, (b) deep refuge populations, (c) broadcast spawning, (d) protracted seasonal reproduction, (e) high fecundity, and (f) asexual propagation.",
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