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Juveniles stick to adults: recruitment of the tube-dwelling polychaete Lanice conchilega (Pallas, 1766)
Callaway, R. (2003). Juveniles stick to adults: recruitment of the tube-dwelling polychaete Lanice conchilega (Pallas, 1766), in: Jones, M.B. et al. (Ed.) Migrations and Dispersal of Marine Organisms: Proceedings of the 37th European Marine Biology Symposium held in Reykjavik, Iceland, 5-9 August 2002. pp. 121-130
In: Jones, M.B. et al. (Ed.) (2003). Migrations and Dispersal of Marine Organisms: Proceedings of the 37th European Marine Biology Symposium held in Reykjavik, Iceland, 5-9 August 2002. Reprinted from Hydrobiologia, 503. Developments in Hydrobiology, 174. Kluwer Academic: Dordrecht. ISBN 1-4020-1736-7. XII, 262 pp., more
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, more

Also published as
  • Callaway, R. (2003). Juveniles stick to adults: recruitment of the tube-dwelling polychaete Lanice conchilega (Pallas, 1766). Hydrobiologia 503: 121-130, more

Available in Author 
    VLIZ: Proceedings [56446]
Document type: Conference paper

Keywords
    Juveniles; Recruitment; Lanice conchilega (Pallas, 1766) [WoRMS]; Polychaeta [WoRMS]; ANE, British Isles, Wales [Marine Regions]; Marine

Author  Top 
  • Callaway, R.

Abstract
    Juveniles of the tube-dwelling polychaete L. conchilega were found attached to adult tubes at an exposed beach in South Wales (U.K.). They attached to the upper part of tubes protruding above the sediment. The aim of this study was to determine the timing of juvenile settlement on to adult tubes, their abundance and size distribution, and the time of detachment and densities in the sediment after re-settlement. Furthermore, to establish whether the sediment composition of juvenile tubes differed from those of adults and the surrounding sediment. In 1998, 1999 and 2000, tubes of adult L. conchilega were sampled and numbers of attached juveniles were quantified and their sizes measured. Densities of solitary L. conchilega in the sediment were estimated, as well as the size distribution of solitary tubes. On average, 5-13 juveniles were attached to single adult tubes in spring, but numbers varied greatly with up to 72 juveniles on a single tube in April 1998. Availability of a hard substratum and chemical cues are discussed as potential factors triggering the attachment of juveniles to adult tubes. Juveniles started to detach and re-settle in the sediment 1 month after attachment. Once settled in the sediment, juvenile numbers decreased steeply, but the size distribution of solitary L. conchilega suggested that some juveniles survived in the population. However, the extent to which numbers of juvenile recruits contribute to the density of adults remained unclear. Juveniles used a smaller mean particle size for tube building than adults, but both actively selected particles.

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