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Hyperiid amphipods of Banco Chinchorro

Por: Gasca, Rebeca. Doctora [autor/a].
Shih, Chang-Tai [autor/a].
Tipo de material: Artículo impreso(a) y electrónico Artículo impreso(a) y electrónico Tema(s): Anfípodos hiperídeos | Lestrigonus bengalensis | Paratyphis maculatus | Tetrathyrus forcipatus | Densidad de poblaciónTema(s) en inglés: Hyperiid amphipods | Lestrigonus bengalensis | Paratyphis maculatus | Tetrathyrus forcipatus | Population densityDescriptor(es) geográficos: Reserva de la Biosfera Banco Chinchorro (Quintana Roo, México) Nota de acceso: Acceso en línea sin restricciones En: Bulletin of Marine Science. volumen 73, número 1 (July 2003), páginas 91-98. --ISSN: 0007-4977Número de sistema: 45961Resumen:
Inglés

The Hyperiid amphipod fauna of the tropical northwestern Atlantic is poorly known, particularly in the western Caribbean Sea. Twenty-eight species of Hyperiid were collected from two zooplankton samplings carried out in Banco Chinchorro, an oceanic atoll in the westernmost part of the Caribbean Sea. Lestrigonus bengalensis (40% of hyperiid numbers), Paratyphis maculatus (13.3%) and Tetrathyrus forcipatus (6.3%) were the most abundant species. Hyperiideans were most abundant in the western area of Banco Chinchorro (1202 ± 116 org/ 1000 m3); and least abundant in the reef lagoon. Shannon- Wiener diversity and species richness followed a similar pattern. The strong differences of these parameters between the reef lagoon and the oceanic areas of Banco Chinchorro showed that the oceanic influence within Chinchorro is weak. The occurrence of the highest hyperiid density, diversity, and species richness in the western part seems to be related to accumulation or retention effect in this protected zone.

Recurso en línea: http://www.ingentaconnect.com/contentone/umrsmas/bullmar/2003/00000073/00000001/art00010
Lista(s) en las que aparece este ítem: Producción Rebeca Gasca
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Acceso en línea sin restricciones

The Hyperiid amphipod fauna of the tropical northwestern Atlantic is poorly known, particularly in the western Caribbean Sea. Twenty-eight species of Hyperiid were collected from two zooplankton samplings carried out in Banco Chinchorro, an oceanic atoll in the westernmost part of the Caribbean Sea. Lestrigonus bengalensis (40% of hyperiid numbers), Paratyphis maculatus (13.3%) and Tetrathyrus forcipatus (6.3%) were the most abundant species. Hyperiideans were most abundant in the western area of Banco Chinchorro (1202 ± 116 org/ 1000 m3); and least abundant in the reef lagoon. Shannon- Wiener diversity and species richness followed a similar pattern. The strong differences of these parameters between the reef lagoon and the oceanic areas of Banco Chinchorro showed that the oceanic influence within Chinchorro is weak. The occurrence of the highest hyperiid density, diversity, and species richness in the western part seems to be related to accumulation or retention effect in this protected zone. eng

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