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Please use this identifier to cite or link to this item: http://hdl.handle.net/1834/2584

Title: Estratificación y estimación de los rendimientos de la flota de buques procesadores congeladores arrastreros.
Other Titles: Stratification of the trawler processing freezer vessels and estimate of yields.
Authors: Bertolotti, M.I.
Hernandez, D.R.
Pagani, A.N.
Castañeda, M.F.
ASFA Terms: Trawlers
Factory ships
Yield
Mathematical models
Fish catch statistics
Issue Date: 2001
Publisher: Mar del Plata: Instituto Nacional de Investigacion y Desarrollo Pesquero
Citation: Bertolotti, M.I. & Verazay, G.A. & Akselman, R. (Ed.) Evolución de la flota pesquera Argentina, artes de pesca y dispositivos selectivos, p. 71-88.
Series: El Mar Argentino y sus Recursos Pesqueros, 3
Abstract: In order to better understand the behaviour of the trawler processing freezer fleet in the Argentine Sea, an analysis of yields and structural characteristics for the 1989-98 period was carried out. The relationship between structural variables and yield expressed in kilos per day was explained with a simplified asymptotic model. The fleet was divided into four homogeneous strata. Common hake is the target of stratum I and stratum II which are deeply affected by overfishing of the species. As of 1993, in stratum III, common hake was replaced by other pelagic and demersal species, mainly hoki. In fleet stratum IV southern blue whiting and hoki were caught. Catches of the latter increased during the last three years.
URI: http://hdl.handle.net/1834/2584
ISBN: 987-20245-0-2
Appears in Collections:4. Publicaciones especiales del INIDEP

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