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Published (Version of record)CC BY V4.0, Open Access
Published (Version of record)CC BY V4.0, Open
Journal article
Composition of decapod crustacean assemblages in beds of Pinctada imbricata and Arca zebra (Mollusca: Bivalvia) in Cubagua Island, Venezuela: Effect of bed density
Scientia marina, Vol.76(4), pp.705-712
30/12/2012
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Abstract
Beds of the Atlantic pearl oyster (Pinctada imbricata) and the turkey wing (Arca zebra) of contrasting population densities were evaluated to determine the occurrence of associated decapod crustaceans. In these beds at Cubagua Island, Venezuela, we recorded 40 decapod species belonging to 18 families. Mithraculus forceps (Majidae), Pilumnus caribaeus (Pilumnidae), Cuapetes americanus (Palaemonidae) and Petrolisthes galathinus (Porcellanidae) were the most common species found in these assemblages. The medium- and high-density bivalve beds exhibited more species and a greater abundance of associated decapods than the low-density bivalve beds, and more taxonomic distinctness. Multivariate analysis detected different groups of decapods in the low-density beds and the medium- to high-density beds. Additionally, similarities were found in the communities of crustaceans in the beds of Atlantic pearl oysters and turkey wing, demonstrating that bed density is important for the composition of associated fauna.
Details
- Title
- Composition of decapod crustacean assemblages in beds of Pinctada imbricata and Arca zebra (Mollusca: Bivalvia) in Cubagua Island, Venezuela: Effect of bed density
- Creators
- Iván Hernández-Ávila - Universidad de OrienteAlejandro Tagliafico - Universidad de OrienteNéstor Rago - National University of Costa RicaJesús Marcano - Instituto Nacional de Pediatria
- Publication Details
- Scientia marina, Vol.76(4), pp.705-712
- Publisher
- Consejo Superior de Investigaciones Científicas
- Grant note
- This work was partially supported by grants from INIA and the Comisión de Investigación, Universidad de Oriente, Venezuela.
- Identifiers
- 991012936799902368
- Academic Unit
- National Marine Science Centre
- Language
- English
- Resource Type
- Journal article