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Artículo

Myxozoans as biological tags for stock identification of the Argentine hake, Merluccius hubbsi (Gadiformes: Merlucciidae)

Cantatore, Delfina María PaulaIcon ; Irigoitia, Manuel MarcialIcon ; Holzer, Astrid Sybylle; Timi, Juan TomasIcon
Fecha de publicación: 05/2016
Editorial: Cambridge University Press
Revista: Parasitology
ISSN: 0031-1820
e-ISSN: 1469-8161
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Myxozoans have been successfully used as tags for fish stock identification around the world. However, few studies using myxozoan tags have been carried out in the Southern Atlantic, a region with complex oceanography that constitutes a potentially suitable scenario for testing the utility of myxozoans as indicators. Its usefulness was tested using six samples of Merluccius hubbsi in two different regions of the Argentine Sea. Generalized linear models were performed to assess the effects of fish size and sex, and year and region of capture and selected using the Information Theoretic approach. Three myxozoan species were recorded: Kudoa rosenbuschi, Myxoproteus meridionalis and Fabespora sp. Results of modelling species individually showed differential capabilities for detecting geographical population structure at different spatial scales, with K. rosenbuschi and Fabespora sp. allowing the discrimination of northern and southern stocks, but Fabespora sp. also as a promissory indicator of intrapopulation sub-structure due to different migratory routes during non-reproductive periods. This work confirms that myxozoans offer a set of suitable markers at different spatial scales, which can be selected individually or in any combination, depending on the geographical extent of the study, constituting tools adaptable to the objectives of further research on fish population structure.
Palabras clave: Biological Markers , Common Hake , Fabespora Sp. , Kudoa Rosenbuschi , Myxoproteus Meridionalis , South West Atlantic , Stock Discrimination
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/64099
DOI: https://dx.doi.org/10.1017/S0031182016000226
URL: https://www.cambridge.org/core/journals/parasitology/article/myxozoans-as-biolog
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Articulos(IIMYC)
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Citación
Cantatore, Delfina María Paula; Irigoitia, Manuel Marcial; Holzer, Astrid Sybylle; Timi, Juan Tomas; Myxozoans as biological tags for stock identification of the Argentine hake, Merluccius hubbsi (Gadiformes: Merlucciidae); Cambridge University Press; Parasitology; 143; 6; 5-2016; 732-740
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