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Abstract:

Understanding the dynamics of a fishery is a key ingredient to successful fishery management. The objective of this study was to improve the understanding of the dynamics of the trawl demersal fishery that operates in San Matías Gulf (Patagonia, Argentina). This system offers an opportunity to explore different issues of fishery dynamics and management because it is a simple system with a few well-characterised active vessels and a stock of Argentine hake (Merluccius hubbsi) that seems to have been well preserved since the beginning of the fishery in 1970. This study combined different sources of information to analyse the seasonality of landings, the link between catch and landing profiles, and the association between sea surface temperature and the spatio-temporal variability in catch profiles. The monthly species composition of the catch fell into three fishing seasons, each with a distinct landing profile. During warm months, M. hubbsi dominated the catch, and bottom trawl activity was concentrated in a thermal frontal zone. In winter, the fishing activity was more dispersed over the surface of the gulf, and yields were minimal. From August to October, the landings increased rapidly due to the catch of Seriolella porosa, and the distribution of the fishing effort was partially concentrated in the northeastern area of the gulf. The seasonal pattern observed would be related to the resource availability and the commercial opportunities. These factors were significant in determining what, when, and where to fish in the trawl demersal fishery of San Matías Gulf. © 2012 Elsevier B.V.

Registro:

Documento: Artículo
Título:Understanding the dynamics of an enclosed trawl demersal fishery in Patagonia (Argentina): A holistic approach combining multiple data sources
Autor:Romero, M.A.; Reinaldo, M.O.; Williams, G.; Narvarte, M.; Gagliardini, D.A.; González, R.
Filiación:Instituto de Biologia Marina y Pesquera Almirante Storni (IBMPAS), Escuela Superior de Ciencias Marinas (ESCiMar), Universidad Nacional del Comahue, Güemes 1030, (8520) San Antonio Oeste, Argentina
Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Rivadavia 1917, (1033) Ciudad Autónoma de Buenos Aires, Argentina
Leibniz Centre for Tropical Marine Ecology, Fahrenheitstrasse 6, (28359) Bremen, Germany
Centro Nacional Patagónico, CENPAT, CONICET, Bvd. Brown 2915, (9120) Puerto Madryn, Argentina
Instituto de Astronomía y Física del Espacio, IAFE, CONICET, Casilla de Correo 67 - Suc. 28, (1428) Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:Catch profile; Fishery dynamics; Fishery management; Patagonia; Trawl fishery; Merluccius hubbsi; Seriolella porosa
Año:2013
Volumen:140
Página de inicio:73
Página de fin:82
DOI: http://dx.doi.org/10.1016/j.fishres.2012.12.002
Título revista:Fisheries Research
Título revista abreviado:Fish. Res.
ISSN:01657836
CODEN:FISRD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01657836_v140_n_p73_Romero

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Citas:

---------- APA ----------
Romero, M.A., Reinaldo, M.O., Williams, G., Narvarte, M., Gagliardini, D.A. & González, R. (2013) . Understanding the dynamics of an enclosed trawl demersal fishery in Patagonia (Argentina): A holistic approach combining multiple data sources. Fisheries Research, 140, 73-82.
http://dx.doi.org/10.1016/j.fishres.2012.12.002
---------- CHICAGO ----------
Romero, M.A., Reinaldo, M.O., Williams, G., Narvarte, M., Gagliardini, D.A., González, R. "Understanding the dynamics of an enclosed trawl demersal fishery in Patagonia (Argentina): A holistic approach combining multiple data sources" . Fisheries Research 140 (2013) : 73-82.
http://dx.doi.org/10.1016/j.fishres.2012.12.002
---------- MLA ----------
Romero, M.A., Reinaldo, M.O., Williams, G., Narvarte, M., Gagliardini, D.A., González, R. "Understanding the dynamics of an enclosed trawl demersal fishery in Patagonia (Argentina): A holistic approach combining multiple data sources" . Fisheries Research, vol. 140, 2013, pp. 73-82.
http://dx.doi.org/10.1016/j.fishres.2012.12.002
---------- VANCOUVER ----------
Romero, M.A., Reinaldo, M.O., Williams, G., Narvarte, M., Gagliardini, D.A., González, R. Understanding the dynamics of an enclosed trawl demersal fishery in Patagonia (Argentina): A holistic approach combining multiple data sources. Fish. Res. 2013;140:73-82.
http://dx.doi.org/10.1016/j.fishres.2012.12.002