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Life history traits and spawning characteristics in populations of long rough dab (American plaice) Hippoglossoides platessoides (Fabricius) in the North Atlantic
Walsh, S.J. (1994). Life history traits and spawning characteristics in populations of long rough dab (American plaice) Hippoglossoides platessoides (Fabricius) in the North Atlantic. Neth. J. Sea Res. 32(3-4): 241-254
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keyword
    Marine

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  • Walsh, S.J.

Abstract
    Life history traits and spawning characteristics of 10 populations of long rough dab (American plaice), Hippoglossoides platessoides, in the western North Atlantic and 4 populations in the eastern North Atlantic were described and compared over the range of this species. Literature-derived values of eggs and larvae, longevity, body size, size at maturity, growth, fecundity, spawning times and temperature, and plankton production were examined. Considerable regional variation in life history traits and spawning characteristics were found on both sides of the North Atlantic. The results imply latitudinal variation of which temperature may play a significant role. Southern populations were characterized by faster growing, early maturing, winter-spring spawners exhibiting low stock-dependent responses and northern populations were characterized by slow-growing, late maturing, spring-summer spawners exhibiting strong stock-dependent responses. These patterns were consistent on both sides of the North Atlantic. Some processes were suggested which may regulate the population dynamics of this species and should be investigated in further studies.

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