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Abstract:

The present paper deals with the dynamic population of the flatfish Xystreurys rasile on the Southwest Atlantic between 34° and 40°S. Increase of mean size of Xystreurys rasile's shoals was observed to the south. The smallest specimens were found in coastal waters in Spring. Two groups were identified according to the abundance, one northern than 36°S, characterized with very low captures and the other southern than 37°S, characterized with higher yields. In Spring mature individuals of X. rasile migrate to shallow waters at 38°S and southwards for spawning. On the contrary, in autumn they migrate offshore for feeding and growing. First sexual maturity length was estimated in 20.0 cm for males and 21.2 cm for females, corresponding to one and two years respectively. Adult recruitment to the fishing area is around the second and third years of age. Strong evidences enforce that juveniles are not available to the fishing fleet.

Registro:

Documento: Artículo
Título:Dynamic population of the flatfish Xystreurys rasile, from the Southwestern Atlantic between 34° and 40°S
Autor:Fabré, N.N.; Cousseau, M.B.; Denegri, M.A.
Filiación:Comisión de Investigación Científica de la Provincia de Buenos Aires (CIC), Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
Universidade do Amazonas, ICB, Departamento de Biologia, Manaus, 69083-000. Amazonas, Brazil
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata, Dean Funes 3350, 7600 Mar del Plata, Argentina
CONICET, Universidad Nacional Del Comahue, 8400 San Carlos de Bariloche, Argentina
Idioma: Español
Palabras clave:Dynamics population; Flatfish; Southwest atlantic; Structure; Xystreurys rasile; Pleuronectiformes; Xystreurys rasile
Año:2001
Volumen:29
Número:1
Página de inicio:83
Página de fin:105
Título revista:Investigaciones Marinas
Título revista abreviado:Invest. Mar.
ISSN:07161069
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07161069_v29_n1_p83_Fabre

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Citas:

---------- APA ----------
Fabré, N.N., Cousseau, M.B. & Denegri, M.A. (2001) . Dynamic population of the flatfish Xystreurys rasile, from the Southwestern Atlantic between 34° and 40°S . Investigaciones Marinas, 29(1), 83-105.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07161069_v29_n1_p83_Fabre [ ]
---------- CHICAGO ----------
Fabré, N.N., Cousseau, M.B., Denegri, M.A. "Dynamic population of the flatfish Xystreurys rasile, from the Southwestern Atlantic between 34° and 40°S " . Investigaciones Marinas 29, no. 1 (2001) : 83-105.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07161069_v29_n1_p83_Fabre [ ]
---------- MLA ----------
Fabré, N.N., Cousseau, M.B., Denegri, M.A. "Dynamic population of the flatfish Xystreurys rasile, from the Southwestern Atlantic between 34° and 40°S " . Investigaciones Marinas, vol. 29, no. 1, 2001, pp. 83-105.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07161069_v29_n1_p83_Fabre [ ]
---------- VANCOUVER ----------
Fabré, N.N., Cousseau, M.B., Denegri, M.A. Dynamic population of the flatfish Xystreurys rasile, from the Southwestern Atlantic between 34° and 40°S . Invest. Mar. 2001;29(1):83-105.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07161069_v29_n1_p83_Fabre [ ]