Can a change in the spawning pattern of Argentine hake (Merluccius hubbsi) affect its recruitment?

Macchi, Gustavo J. and Pájaro, Marcelo and Madirolas, Adrián (2005) Can a change in the spawning pattern of Argentine hake (Merluccius hubbsi) affect its recruitment? Fishery Bulletin, 103(2), pp. 445-452.

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Abstract

Argentine hake (Merluccius hubbsi) inhabit waters of the Southwest Atlantic Ocean between 22° and 55°S, at depths ranging from 50 to 500 m (Cousseau and Perrota, 1998). This species has historically been among the more abundant fish resources in the Argentine Sea, where its biomass has ranged between one and two million metric tons annually since 1986 (Aubone et al., 2000). In this area, there are two identified fishing stocks, limited by the 41°S parallel. The southern group (Patagonian stock) is the more important with an abundance of about 85% of the total biomass estimated for this species in 1999 (Aubone et al., 2000). During the late 1990s, the spawning biomass of both stocks and their recruitment indices declined drastically, both of which were attributed to an increase in exploitation (Aubone et al., 2000).

Item Type: Article
Title: Can a change in the spawning pattern of Argentine hake (Merluccius hubbsi) affect its recruitment?
Personal Creator/Author:
CreatorsEmail
Macchi, Gustavo J.
Pájaro, Marcelo
Madirolas, Adrián
Refereed: Yes
Journal or Publication Title: Fishery Bulletin
Volume: 103
Number: 2
Page Range: pp. 445-452
Date: 2005
ISSN: 0090-0656
Issuing Agency: United States National Marine Fisheries Service
Subjects: Biology
Ecology
Fisheries
Item ID: 9633
Depositing User: Patti M. Marraro
Date Deposited: 13 Aug 2012 15:45
Last Modified: 13 Aug 2012 15:46
URI: http://aquaticcommons.org/id/eprint/9633

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