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2 resultados encontrados para: AUTOR: Ramos Castillejos, Jorge
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1.
Artículo
Horizontal movements, vertical-habitat utilization and diet of the jumbo squid (Dosidicus gigas) in the Pacific Ocean off Baja California Sur, Mexico
Bazzino, Gastón ; Gilly, William F. (coaut.) ; Markaida Aburto, Unai (coaut.) ; Salinas Zavala, César Augusto (coaut.) ; Ramos Castillejos, Jorge (coaut.) ;
Contenido en: Progress in Oceanography Vol. 86, no. 1-2 (July-August 2010), p. 59-71 ISSN: 0079-6611
Resumen en: Inglés |
Resumen en inglés

We deployed four pop-up archival-transmitting (PAT) tags on jumbo squid (Dosidicus gigas) collected in the Pacific Ocean off the main entrance to Magdalena Bay on the Baja California peninsula in June 2005. This is the first successful deployment of PAT tags on jumbo squid in an area outside the Gulf of California. Summary data were obtained through the ARGOS satellite system for three of the tags; the fourth tag was physically recovered. All of the tagged squid tended to remain on the shallow continental shelf for several days after tagging and then moved offshore into deeper water. Three of the four squid appeared to migrate in a general southerly direction while the fourth remained offshore of Magdalena Bay. All of the squid spent most daylight hours at depths that were associated with the hypoxic oxygen minimum layer, and at night they spent a majority of time in the upper 50 m of the water column. Stomach content analysis and tag temperature–depth data during the first days after tagging revealed that the squid were feeding on pelagic red crabs (Pleuroncodes planipes) and several larger, neritic fishes over the continental shelf off Magdalena Bay during a seasonal nearshore upwelling. Comparison of our results with those previously collected in the Gulf of California reveal that Dosidicus gigas can vary its behavior and diet to suit local environmental conditions. This adaptability is likely to be an important factor in the ability of D. gigas to invade and colonize new areas.


2.
Capítulo de libro
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Studies of the jumbo squid (Dosidicus gigas d´Orbigny, 1835) in Mexico: fishery, ecology and climate
Salinas Zavala, César Augusto (autor) ; Camarillo Coop, Susana (autora) ; Mejia Rebollo, Arminda (autora) ; Rosas Luis, Rigoberto (autor) ; Ramos Castillejos, Jorge (autor) ; Ramírez Rojo, R. (coaut.) ; Arizmendi Cárdenas, Diana (autora) ; Bazzino, Gastón (autor) ; Dimaté Velázquez, N. (coaut.) ; Markaida Aburto, Unai (autor) ;
Disponible en línea
Contenido en: The role of squid in open ocean ecosystems / Robert J. Olson, Jock W. Young (editores) Honolulu, Hawaii, United States : Report of a GLOBEC-CLIOTOP/PFRP Workshop, 2006 p. 35-41
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