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Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP) >
2. INIDEP Informe Técnico >
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http://hdl.handle.net/1834/2477
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| Titre: | Índice de abundancia del grupo merluza de edad 2 en el área de cría patagónica. Período 1995-1998 |
| Autre(s) titre(s): | Abundance index of hake age 2 in the Patagonian nursing area. Period 1995-1998 |
| Auteur(s): | Castrucci, R.
Aubone, A.
Pérez, M.
Renzi, M.A. |
| mot-clé ASFA: | Nursery grounds
Juveniles
Abundance
Stock assessment
Gadoid fisheries |
| Date de publication: | 2003 |
| Editeur: | Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero |
| Référence bibliographique: | INIDEP informe técnico, 51. p. 27-38 |
| Résumé: | An abundance index of hake Merluccius hubbsi individuals age 2 was estimated in the nursery area south of 41°S Argentine Sea, SW Atlantic. The analysis comprised the 1995-1998 period and was made with data derived from research surveys programmed to that end. A mean value estimator of CPUE catch in number of individuals per trawl hour based on delta distribution was used. The spatial distribution of CPUE of age groups 1 and 2 in the area surveyed, total length distribution per survey and the corresponding age composition are presented. The declining trend of abundance index of hake age 2 observed during the four year period amounted to 52.9. |
| URI/URL: | http://hdl.handle.net/1834/2477 |
| ISSN: | 0327-9642 |
| Collection(s) : | 2. INIDEP Informe Técnico
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