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Density-dependent linkage between juveniles and recruitment for pink shrimp (Farfantepenaeus duorarum) in southern Florida
Ehrdardt, N.M.; Legault, C.M.; Restrepo, V.R. (2001). Density-dependent linkage between juveniles and recruitment for pink shrimp (Farfantepenaeus duorarum) in southern Florida, in: Daan, N. et al. Recruitment dynamics of exploited marine populations: physical-biological interactions. Part 2: Proceedings of an ICES Symposium held in Baltimore, Maryland, USA 22-24 September 1997. ICES Marine Science Symposia, 214: pp. 1100-1105
In: Daan, N. et al. (2001). Recruitment dynamics of exploited marine populations: physical-biological interactions. Part 2: Proceedings of an ICES Symposium held in Baltimore, Maryland, USA 22-24 September 1997. ICES Marine Science Symposia, 214. Academic Press: London. ISBN 1054. 935-1114 pp., more
In: ICES Marine Science Symposia. ICES/Reitzel: Copenhagen. ISSN 0906-060X, more

Also published as
  • Ehrdardt, N.M.; Legault, C.M.; Restrepo, V.R. (2001). Density-dependent linkage between juveniles and recruitment for pink shrimp (Farfantepenaeus duorarum) in southern Florida. ICES J. Mar. Sci./J. Cons. int. Explor. Mer 58(5): 1100-1105, more

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Keywords
    Density dependence; Recruitment; Farfantepenaeus duorarum (Burkenroad, 1939) [WoRMS]; ASW, USA, Florida [Marine Regions]; ASW, USA, Florida, Florida Bay [Marine Regions]; Marine

Authors  Top 
  • Ehrdardt, N.M., correspondent
  • Legault, C.M.
  • Restrepo, V.R.

Abstract
    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.

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