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The study of how and why marine animals distribute themselves at sea has important conservation and management implications of the species and their habitats. We characterize the oceanographic and biological landscapes of the marine areas used by breeding Southern Giant Petrels (Macronectes giganteus) at Patagonian colonies and explore inter-sexual and inter-colony differences. The at-sea movements of 16 adults (7 males and 9 females) were studied by means of satellite telemetry techniques during 1999, 2000, 2002, and 2004 breeding seasons. Southern Giant Petrels utilized an oceanographic scenario characterized by high productivity, warm sea surface temperature, and shallow waters. The biological landscape was characterized by a high availability of squid and carrion nearby colonies. Females spent more time in the shelf break and exploited deeper waters than males. In contrast, males spent more time in coastal areas and they showed a higher spatial overlap with areas of high squid density than females. Such a prosperous foraging scenario for both sexes may play a key role in the growth of the breeding population of Southern Giant Petrel Patagonian colonies. © 2011 Springer-Verlag.


Documento: Artículo
Título:Oceanographic and biological landscapes used by the Southern Giant Petrel during the breeding season at the Patagonian Shelf
Autor:Copello, S.; Dogliotti, A.I.; Gagliardini, D.A.; Quintana, F.
Filiación:Centro Nacional Patagónico (CONICET), Blvd. Brown 2915 (U9120ACF), Puerto Madryn, Argentina
Departamento de Biología, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, D. Funes 3250 (B7602AYJ), Mar del Plata, Argentina
Pabellón IAFE-Ciudad Universitaria-Buenos Aires, Instituto de Astronomía y Física del Espacio (CONICET), C.C. 67, Suc. 28 (C1428ZAA), Buenos Aires, Argentina
Wildlife Conservation Society, Amenabar 1595 P 2 Of. 19, Ciudad de Buenos Aires, Argentina
Palabras clave:biological production; breeding population; breeding season; habitat conservation; intersexual interaction; movement; radiotelemetry; satellite data; sea surface temperature; seabird; shallow water; shelf break; Atlantic Ocean; Patagonian Shelf; Animalia; Cephalopoda; Macronectes giganteus; Procellariidae
Página de inicio:1247
Página de fin:1257
Título revista:Marine Biology
Título revista abreviado:Mar. Biol.


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---------- APA ----------
Copello, S., Dogliotti, A.I., Gagliardini, D.A. & Quintana, F. (2011) . Oceanographic and biological landscapes used by the Southern Giant Petrel during the breeding season at the Patagonian Shelf. Marine Biology, 158(6), 1247-1257.
---------- CHICAGO ----------
Copello, S., Dogliotti, A.I., Gagliardini, D.A., Quintana, F. "Oceanographic and biological landscapes used by the Southern Giant Petrel during the breeding season at the Patagonian Shelf" . Marine Biology 158, no. 6 (2011) : 1247-1257.
---------- MLA ----------
Copello, S., Dogliotti, A.I., Gagliardini, D.A., Quintana, F. "Oceanographic and biological landscapes used by the Southern Giant Petrel during the breeding season at the Patagonian Shelf" . Marine Biology, vol. 158, no. 6, 2011, pp. 1247-1257.
---------- VANCOUVER ----------
Copello, S., Dogliotti, A.I., Gagliardini, D.A., Quintana, F. Oceanographic and biological landscapes used by the Southern Giant Petrel during the breeding season at the Patagonian Shelf. Mar. Biol. 2011;158(6):1247-1257.