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Genetic structure of the massive coral Porites panamensis (Anthozoa: Scleractinia) from the Mexican Pacific
DAVID ARTURO PAZ GARCIA
FRANCISCO CORREA SANDOVAL
Héctor Efraín Chávez Romo
H. Reyes Bonilla
RAMON ANDRES LOPEZ PEREZ
Pedro Medina Rosas
MARTHA PATRICIA HERNANDEZ CORTES
Acceso Abierto
Atribución-NoComercial-SinDerivadas
URL: https://nsuworks.nova.edu/occ_icrs/1/
ISBN: 9780984387151
Population structure, Scleractinian coral, brooding coral, population genetics
"Genetic structure was studied in the brooding coral Porites panamensis along of the Mexican Pacific (MP). We collected in three locations inside of the Gulf of California, two zones at the entrance of the Gulf, and one location at south of MP. Exclusive genotypes in two of six allozyme loci were observed in northern (LGG- 1DE and LGG-1EE) and southern (EST-1AA and EST-1AB) populations. All populations presented significant deficits of heterozygotes. These deficits could be for different recruitment and temporal events of larvae expulsion along the MP, high local recruitment and inbreeding by limited dispersion of larvae, and different mortality events by natural disturbances. Cluster analysis of genetic distance showed three groups by geographic proximity: the populations from inside of the GC, two populations from the entrance of the gulf, and the southern population of MP. AMOVA indicated a significant differentiation among the three groups (11.93%, p = 0.016). Mean significant FST value (FST = 0.104, p < 0.01) reveled a genetic structure. The oceanic patterns coupled with restricted dispersion of this brooding coral species could be the principal factor that generating the genetic structure observed."
National Coral Reef Institute (U.S.)
2008
Capítulo de libro
Proceedings of the 11th International Coral Reef Symposium: Fort Lauderdale, Florida, USA, July 7-11, 2008
Inglés
GENÉTICA DE POBLACIONES
Versión publicada
publishedVersion - Versión publicada
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