An ecosystem-based approach to assess the status of Mediterranean algae-dominated shallow rocky reefs

Last modified: 
May 23, 2017 - 7:58am
Type: Journal Article
Year of publication: 2017
Date published: 04/2017
Authors: Thierry Thibaut, Aurélie Blanfuné, Charles Boudouresque, Sébastien Personnic, Sandrine Ruitton, Enric Ballesteros, Denise Bellan-Santini, Carlo Bianchi, Simona Bussotti, Emma Cebrian, Adrien Cheminée, Jean-Michel Culioli, Sandrine Derrien-Courtel, Paolo Guidetti, Mireille Harmelin-Vivien, Bernat Hereu, Carla Morri, Jean-Christophe Poggiale, Marc Verlaque
Journal title: Marine Pollution Bulletin
Volume: 117
Issue: 1-2
Pages: 311 - 329
ISSN: 0025326X

A conceptual model was constructed for the functioning the algae-dominated rocky reef ecosystem of the Mediterranean Sea. The Ecosystem-Based Quality Index (reef-EBQI) is based upon this model. This index meets the objectives of the EU Marine Strategy Framework Directive. It is based upon (i) the weighting of each compartment, according to its importance in the functioning of the ecosystem; (ii) biological parameters assessing the state of each compartment; (iii) the aggregation of these parameters, assessing the quality of the ecosystem functioning, for each site; (iv) and a Confidence Index measuring the reliability of the index, for each site. The reef-EBQI was used at 40 sites in the northwestern Mediterranean. It constitutes an efficient tool, because it is based upon a wide set of functional compartments, rather than upon just a few species; it is easy and inexpensive to implement, robust and not redundant with regard to already existing indices.

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