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Variability in settlement and recruitment of 0-group dab Limanda limanda L. in Port Erin Bay, Irish Sea
Beggs, S.E.; Nash, R.D.M. (2007). Variability in settlement and recruitment of 0-group dab Limanda limanda L. in Port Erin Bay, Irish Sea, in: Yamashita, Y. et al. (Ed.) Proceedings of the Sixth International Symposium on Flatfish Ecology, Part II, held at Maizuru, Kyoto, Japan from 20-25 October 2005. Journal of Sea Research, 58(1): pp. 90-99
In: Yamashita, Y.; Nash, R.D.M.; van der Veer, H.W. (Ed.) (2007). Proceedings of the Sixth International Symposium on Flatfish Ecology, Part II, held at Maizuru, Kyoto, Japan from 20-25 October 2005. Journal of Sea Research, 58(1). Elsevier: Amsterdam. 1-112 pp., more
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101, more
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Keywords
    Irish sea; Juveniles; Larvae; Larval settlement; Limanda; Recruitment; Settlement; Settlement; Temporal variations; Pleuronectes limanda Linnaeus, 1758 [WoRMS]; ANE, Irish Sea [Marine Regions]; Marine

Authors  Top 
  • Beggs, S.E.
  • Nash, R.D.M.

Abstract
    Inter-annual variability in settlement and recruitment of 0-group dab Limanda limanda L. was investigated between 1996 and 2003 on Port Erin Bay, Isle of Man. The annual settlement index of post larvae dab (ind ≤20 mm) varied considerably between years with a corresponding coefficient of variation of 97%. The timing of the settlement of dab was associated with metamorphosis and varied significantly with temporal variation in estimated spawning activity. Inter-annual variation in the numbers of settling post larvae was strongly associated with stage one larvae abundance indices from adjacent offshore waters. 0-group abundance indices were significantly correlated with the index of settlement abundance, but not however, with larvae indices. These relationships suggest that the strength of the recruiting year-class of 0-group dab in Port Erin Bay is established early in life, during or before the pelagic phase, in the waters west of the Isle of Man. Inter-annual variability in 0-group mortality rates suggests a possible density-dependent process operating during the nursery ground phase.

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