Moluscos bivalvos perforadores de rocas en la zona intermareal de la Provincia de Esmeraldas - Ecuador, 2002-2005
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Author
Cruz, M.Date
2013
Metadata
Show full item recordAbstract
Of the analysis of five rocky areas in the intertidal zone of the Esmeraldas province: Tachina, Balao, Súa-Atacames, Galera and Mompiche, from the limit of the high tide to the limit of the low tide, were founded nine (9) species of drilling bivalves molluscs, that belong to three families: Mytilidae, Petricolidae and Pholadidae. Petricola denticulata was the most abundant species in the Esmeraldas province and represents the 26.1% among all species, whiles the sites or stations that were observed the greater abundance of organisms were Balao and Súa-Atacames with 39.1% each one. The greater richness of species was observed in Súa-Atacames, having reprsented 50% of the total diversity. In Tachina station, drilling rock organism were not observed. The distribution of the following species is extended: Petricola cognata from the area of Panama to Ecuador and Petricola parallela from Nicaragua to Ecuador.Del análisis de cinco áreas rocosa en la zona intermareal de la Provincia de Esmeraldas: Tachina, Balao, Súa-Atacames, galera y Mompiche, desde el límite de la pleamar hasta el límite de la bajamar, se encontraron nuev (9) especies de moluscos bivalvos perforadores, que pertenecen a tres familias: Mytilidae, petricolidae y Pholadidae. Petricola denticulata fue la especie más abundante en la Provincia de esmeraldas y representa el 26.1% de todas las especies, mientras que los sitios o estaciones que presentaron la mayor abundancia de organismos fueron Balao y Súa-Atacames con el 39,1%. La mayor riqueza de especies se observó en Súa-Atacames, representando el 50% de la diversidad total. En Tachina no se observaron organismos perforadores de rocas. Se amplía la distribución de las siguientes especies: Petricola cognata desde el área de Panamá hasta Ecuador y Petricola parallela desde Nicaragua hasta Ecuador.
Journal
Acta Oceanográfica del PacíficoVolume
18Issue/Article Nr
1Collections
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