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Massive recruitment of the barnacle Semibalanus balanoides in the Clyde Sea (Scotland, UK) in the spring of 2000
Hansson, L.J.; Hudson, I.R.; Seddon, R.J.; Shaw, O.; Thomson, J.C. (2003). Massive recruitment of the barnacle Semibalanus balanoides in the Clyde Sea (Scotland, UK) in the spring of 2000. J. Mar. Biol. Ass. U.K. 83(5): 923-924
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keywords
    Abundance; Recruitment; Semibalanus balanoides (Linnaeus, 1767) [WoRMS]; ANE, British Isles, Scotland [Marine Regions]; Marine

Authors  Top 
  • Hansson, L.J.
  • Hudson, I.R., more
  • Seddon, R.J.
  • Shaw, O.
  • Thomson, J.C.

Abstract
    In April 2000 a massive recruitment of the barnacle Semibalanus balanoides was observed in the Clyde Sea. At one location 700 cyprids l−1 of this species were recorded. This is ~3500 times more abundant than previously recorded, and resulted in metamorphosis of some cyprids whilst still in the plankton, as well as massive settlement, with recruits found on adults and in the splash zone. The maximum density recorded was 109 settlers cm−2. Over the next 60 d mortality averaged 85%, resulting in a mean density of 8·4 recruits cm−2 in June 2000. Recruitment varied spatially at the km and m scale (site, shore height) but there was no evidence that it was affected by the presence of adult conspecifics.

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