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Fisheries oceanography of the early stages of squid Loliginidae (Cephalopoda: Myopsida): spatial-temporal distribution of paralarvae along continental shelf between Cabo de São Tomé (RJ) and Cananéia (SP) (22ºS-25ºS).

Grant number: 10/03733-0
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2011
Effective date (End): August 31, 2012
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Marine Fishing Resources
Principal researcher:Maria de Los Angeles Gasalla
Grantee:Carolina Costa de Araújo
Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The squid Loliginidae are potential fishery resources in the Southeast Continental Shelf (PCSE) of Brazil, both small-scale and industrial fishing. However, to implementation of measures for sustainable management, key aspects about the mechanisms responsible for the recruitment variability are unknown. These mechanisms will be investigated through the distribution and abundance of spatiotemporal paralarvae squid, based on plankton samples obtained from oceanographic cruises conducted by Oceanographic Institute of USP between 1991 and 2005. This study aims to identify paralarvae that occurred over the continental shelf between Cabo de São Tomé (RJ) and Cananéia (SP) during these cruises, to verify spatio-temporal patterns of distribution and abundance, and relate them with environmental variables and life cycle of the species. This study will provide key information to assessment and management of fisheries stocks of loliginid in the region, providing an evaluation, unprecedented on the fishery oceanography of these organisms.

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)

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