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Riqueza, composición de la comunidad y similitud de las especies bentónicas de la subclase Opisthobranchia (Mollusca: Gastropoda) en cinco sitios del litoral de Acapulco, México

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Composition of Prosobranchia-Pulmonata (Mollusca: Gastropoda) in rocky intertidal zone in the Marine Priority Region 32, Guerrero, Mexico

Autores

CORRESPONSAL

Carmina Torreblanca-Ramírez

carminatorreblanca@yahoo.com.mx

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Unidad de Ciencias de Desarrollo Regional, Universidad Autónoma de Guerrero, Calle Pino s/n Colonia El Roble, C.P. 39640 Acapulco, Guerrero, México

Rafael Flores-Garza

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Facultad de Ecología Marina, Universidad Autónoma de Guerrero, Av. Gran Vía Tropical No. 20, Fraccionamiento Las Playas, C.P. 39390, Acapulco Guerrero, México

Pedro Flores-Rodríguez

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Facultad de Ecología Marina, Universidad Autónoma de Guerrero, Av. Gran Vía Tropical No. 20, Fraccionamiento Las Playas, C.P. 39390, Acapulco Guerrero, México

Sergio García-Ibáñez

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Facultad de Ecología Marina, Universidad Autónoma de Guerrero, Av. Gran Vía Tropical No. 20, Fraccionamiento Las Playas, C.P. 39390, Acapulco Guerrero, México

Jesús Emilio Michel-Morfín

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Universidad de Guadalajara, Departamento de Estudios para el Desarrollo Sustentable de Zonas Costeras, Av. Gómez Farías No. 82, C.P. 48980, San Patricio-Melaque Jalisco, México

José Luis Rosas-Acevedo

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Unidad de Ciencias de Desarrollo Regional, Universidad Autónoma de Guerrero, Calle Pino s/n Colonia El Roble, C.P. 39640 Acapulco, Guerrero, México

Arcadio Valdés-González

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Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Cd. Universitaria, San Nicolás de los Garza, Nuevo León, México

Resumen

The aim of this research was the description of the taxocoenosis of Prosobranchia and Pulmonata subclasses (Gastropoda) associated with the rocky intertidal zone of the Marine Priority Region 32, Guerrero, Mexico. Based on known species richness, we examine the composition of the community based on the representation of families, assess abundance, the geographic distribution of species, estimate descriptive statistics of size, and estimate diversity. Sampling was conducted at 7 sites, the sampling unit was 1 m-2 and the sampling area was 10 m-2. One hundred and four species of subclass Prosobranchia and 4 species of subclass Pulmonata were identified. Columbellidae and Muricidae families showed higher species richness, meanwhile family Muricidae was the most abundant. Acanthais triangularis was the most representative species of the study area, and Macrocypraea cervinetta showed the greatest size. Twenty three species were found with broad distribution, 27 taxa with frequent distribution and 54 taxa with restricted distribution. Twenty eight species were represented by a single organism and 6 species with 2 organisms, these species were considered rare and were found in sites whose characteristic wave exposure is low to medium. Species richness was high and corresponds to that expected in the tropics.

Palabras clave

Gastropoda, species richness, geographic distribution, size, Guerrero

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