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Population structure and spread of the polychaete Diopatra biscayensis along the French Atlantic coast: Human-assisted transport by-passes larval dispersal
Woodin, S.A.; Wethey, D.S.; Dubois, S.F. (2014). Population structure and spread of the polychaete Diopatra biscayensis along the French Atlantic coast: Human-assisted transport by-passes larval dispersal. Mar. Environ. Res. 102: 110-121. https://dx.doi.org/10.1016/j.marenvres.2014.05.006
In: Marine Environmental Research. Applied Science Publishers: Barking. ISSN 0141-1136; e-ISSN 1879-0291, more
Also appears in:
Kennedy, R.; Allcock, L.; Firth, L.; Power, A.M. (Ed.) (2014). Managing Biodiversity in a Changing Ocean. Proceedings of the 48th European Marine Biology Symposium (EMBS), Galway, Ireland, 19-23 August 2013. Marine Environmental Research, 102(Special Issue). Elsevier: Amsterdam. 130 pp., more
Peer reviewed article  

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Keywords
    Diopatra biscayensis Fauchald, Berke & Woodin, 2012 [WoRMS]
    Marine/Coastal
Author keywords
    Diopatra biscayensis; Ecosystem engineer; Larval dispersal; Aquaculture; Life history; Human-assisted-transport; Connectivity

Authors  Top 
  • Woodin, S.A.
  • Wethey, D.S.
  • Dubois, S.F.

Abstract
    Intertidal populations of the ecosystem engineering polychaete, Diopatra biscayensis, were analyzed on the French Atlantic coast for three years with individual size estimated from tube-cap aperture. All but the northernmost population along the Bay of Biscay have yearly recruitment. Individuals live 3–5 years and are likely reproductive as one year olds. Simulations indicate dispersal distances are <50 km; yet, populations also exist within the Normano-Breton Gulf in the western English Channel, more than 450 km from the northernmost Bay of Biscay population at La Trinité-sur-Mer. Three of the four populations in the Normano-Breton Gulf have no young of the year, but are near to active mussel culture where mussel seed is transported on ropes from dense D. biscayensis areas in the Vendée-Charente region in the Bay of Biscay. The majority of D. biscayensis were adjacent to the likely source, mussel seed ropes. Transport assisted by aquaculture is the likely explanation for the populations in the Normano-Breton Gulf.

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