SciELO - Scientific Electronic Library Online

 
vol.51 número2Variaciones morfológicas en Blackfordia virginica (Hydroidomedusae: Blackfordiidae) en lagunas costeras de Chiapas, MéxicoFrecuencia relativa de Boophilus microplus (Acari: Ixodidae) en bovinos (Bos taurus y B. indicus) en ocho zonas ecológicas de Costa Rica índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

Links relacionados

Compartir


Revista de Biología Tropical

versión On-line ISSN 0034-7744versión impresa ISSN 0034-7744

Resumen

PRIETO, Antulio; SANT, Sybil; MENDEZ, Elizabeth  y  LODEIROS, César. Diversidad y abundancia de moluscos en las praderas de Thalassia testudinum de la Bahía de Mochima, Parque Nacional Mochima, Venezuela. Rev. biol. trop [online]. 2003, vol.51, n.2, pp.413-426. ISSN 0034-7744.

The diversity and abundance of benthic malacological communities associated to Thalassia testudinum beds was studied at four localities of Mochima Bay, Sucre state, Venezuela. At each locality, samples were taken monthly on perpendicular transect at different depths (0-4 m), from January 1991 to December 1991, using a quadrate (0.25 m 2 ) for collecting mollusks and sediments. A total of 2 988 organisms of infauna and epifauna belonging to 81 species of the classes Gastropoda (41) and Bivalvia (40) were collected. More abundant species were Anadara notabilis, Codakia orbicularis, Cerithium litteratum, Cerithium eburneum, Batillaria minima, Modiolus squamosus, Modulus modulus, Chione cancellata, Turritella variegata, Arca zebra, y Laevicardium laevigatum. There were significant differences in number of organisms between depth and month at La Gabarra which presented the highest value of total (4.51 bits/ind) and monthly diversity (2.71-3.90 bits/ind). Biomass and abundance were low in the Mochima Bay while Varadero station presented the highest value. The bivalve A. notabilis and gastropod M. modulus were species common to the four stations.

Palabras clave : benthic community; molluscs; seagrass beds; Mochima; Venezuela; Thalassia.

        · resumen en Español     · texto en Español

 

Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons