Journal Article

Density-dependent linkage between juveniles and recruitment for pink shrimp (<i>Farfantepenaeus duorarum</i>) in southern florida

Nelson M. Ehrhardt, Christopher M. Legault and Victor R. Restrepo

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 58, issue 5, pages 1100-1105
Published in print January 2001 | ISSN: 1054-3139
Published online January 2001 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1006/jmsc.2001.1101
Density-dependent linkage between juveniles and recruitment for pink shrimp (Farfantepenaeus duorarum) in southern florida

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Pink shrimp (Farfantepenaeus duorarum) is an important commercial species in the eastern Gulf of Mexico, with annual landings between 2300 and 4500 metric tonnes during the past decade. The adults are exploited by a trawl fishery in the Dry Tortugas region, while juveniles inhabit Florida Bay. The onshore–offshore ontogenetic migrations create many opportunities for disruption of cohorts. Potential linkage between the abundance of juveniles in nursery areas and of recruits to the fishery was examined by relating recruitment success to juvenile density spanning 123 months of data. The fitted recruitment success model predicts well the general trend in the ratio of recruitment to juvenile density. However, the full magnitude of the expected trends is not fully explained by the model, and environmental variables on recruitment may have a sizeable effect. However, the density dependence of recruitment to the fishery on juvenile density is significant.

Keywords: density-dependent recruitment; Florida Bay; pink shrimp

Journal Article.  0 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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