Journal of Plankton Research Vol.22 no.7 pp.1419-1422, 2000
© Oxford University Press 2000
Short Communication |
Planktonic determination of variability and sustainability of fisheries
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory, Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK, 1 198 Yarmouth Road, Lowestoft, Suffolk NR32 4AB, UK and 2 Instituto de Investigaciones Pesqueras de Vigo, Vigo, Spain
Traditional explanations for the variability, and limits to sustainability, of fish stocks focus on the early planktonic life history. Recently, these models have been challenged. Here, the arguments for the locus of regulation in fish stocks are reviewed. New material is presented, of North Sea plaice, indicating that only the fittest larvae survive, and that there is an increased predation on weaker larvae. It is concluded that the main source of regulation is in the planktonic phase, and that this is where research needs to be.
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