Show simple item record

dc.contributor.author Lopez Cazorla, Andrea Cecilia
dc.contributor.author Molina, Juan Manuel
dc.date.available 2016-09-02T20:27:32Z
dc.date.issued 2015-01
dc.identifier.citation Lopez Cazorla, Andrea Cecilia; Molina, Juan Manuel; Biology of Myliobatis goodei (Springer, 1939) a widely distributed eagle ray caught in northern Patagonia; Elsevier; Journal of Sea Research; 95; 1-2015; 106-114
dc.identifier.issn 1385-1101
dc.identifier.uri http://hdl.handle.net/11336/7418
dc.description.abstract Chondrichthyans play an important role in structuring marine communities. Myliobatis goodie is an eagle ray reported from South Carolina in USA (35°N) to Santa Cuz, Argentina (44°S), however little is known about this species, which is considered Data Deficient by the IUCN. In order to create adequate management strategies for this species, biological information is sorely needed. The objective of this study was to describe the biology of the population of M. goodei and its relationships with season, sex and the geographic features of Anegada Bay, Argentina (from 39.96°S to 40.60°S and from 62.10°W to 62.46°W) during 2008. Specifically, the population structure of M. goodie was studied by sex, seasons and sites, its food habits by seasons and sites, and the reproductive biology by seasons and sex. The results show that M. goodei exhibits seasonal migrations. Young-of-the-year remain in the bay all year long, while adults enter during spring and summer. Juveniles in spring are likely to become first-time mating individuals that migrate into open sea at the end of summer. These individuals would return to give birth for the first time and mate for the second time during the next year at summer. Anegada Bay would then be a mating and nursery area for the species. M. goodei behave as a generalist feeder with a uniform diet composed mainly of bivalves. Seasonal differences in the diet found arise from differences in prey diversity between summer and spring. Spatial differences, however, arise from the different abundances of caprelids and bivalves. Trophic level was 3.2 and it constitutes the first reference for this species, characterizing it as a secondary consumer.
dc.format application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject Myliobatis goodei
dc.subject Reproductive parameters
dc.subject Trophic ecology
dc.subject Elasmobranches
dc.subject Patagonia
dc.subject Argentina
dc.subject.classification Biología Reproductiva
dc.subject.classification Ciencias Biológicas
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.subject.classification Conservación de la Biodiversidad
dc.subject.classification Ciencias Biológicas
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.subject.classification Ecología
dc.subject.classification Ciencias Biológicas
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.title Biology of Myliobatis goodei (Springer, 1939) a widely distributed eagle ray caught in northern Patagonia
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2016-07-12T15:22:16Z
dc.journal.number 95
dc.journal.pagination 106-114
dc.journal.pais Países Bajos
dc.journal.ciudad Amsterdam
dc.description.fil Fil: Lopez Cazorla, Andrea Cecilia. Consejo Nacional de Investigaciones Cient__itilde__ficas y T__etilde__cnicas; Argentina. Universidad Nacional del Sur; Argentina
dc.description.fil Fil: Molina, Juan Manuel. Consejo Nacional de Investigaciones Cient__itilde__ficas y T__etilde__cnicas; Argentina. Universidad Nacional del Sur; Argentina
dc.journal.title Journal of Sea Research
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S138511011400166X
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.seares.2014.09.006


Archivos asociados

Icon
Blocked Acceso no disponible

This item appears in the following Collection(s)

Show simple item record

info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)