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Mar Environ Res. 2017 Oct;131:227-235. doi: 10.1016/j.marenvres.2017.09.020. Epub 2017 Oct 04.

Multiple effects of a Gracilaria vermiculophylla invasion on estuarine mudflat functioning and diversity.

Marine environmental research

D Davoult, G Surget, V Stiger-Pouvreau, F Noisette, P Riera, D Stagnol, T Androuin, N Poupart

Affiliations

  1. Sorbonne Universités, UPMC Univ Paris 6, CNRS, UMR 7144, Station Biologique de Roscoff, F. 29680 Roscoff, France. Electronic address: [email protected].
  2. Université de Bretagne Occidentale, Institut Universitaire Européen de la Mer, 29280 Plouzané, France; CNRS, UMR 6539 LEMAR-IUEM-UBO, Institut Universitaire Européen de la Mer, 29280 Plouzané, France.
  3. Sorbonne Universités, UPMC Univ Paris 6, CNRS, UMR 7144, Station Biologique de Roscoff, F. 29680 Roscoff, France.

PMID: 29029761 DOI: 10.1016/j.marenvres.2017.09.020

Abstract

The invasive Japanese seaweed Gracilaria vermiculophylla has become established over the past several years in numerous European estuaries, from Portugal to Norway. In the Faou estuary (48.295°N-4.179°W, Brittany, France), it forms a dense population at the mud's surface. The effects of G. vermiculophylla on metabolism, diversity, and the food web were studied. Community gross primary production (GPP) and respiration (CR) during emersion, chlorophyll-a content, macrofaunal and meiofaunal diversity and abundance, and stable isotopes (δ

Copyright © 2017 Elsevier Ltd. All rights reserved.

Keywords: Engineer species; Food web; Invasive; Macrofauna diversity; Meiofauna diversity; Metabolism; Non-indigenous species; Red alga

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