Development of a fish-based index to assess the ecological quality of transitional waters: the case of French estuaries

Marine Pollution Bulletin
C DelpechM Lepage

Abstract

The Water Framework Directive requires the assessment of the ecological status of transitional waters considering the fish component. An original methodology, based on a pressure-impact approach, was established to develop a multimetric fish-based index to characterize the ecological quality of French estuaries. An index of contamination, based on the chemical pollution affecting aquatic systems, was used as a proxy of anthropogenic pressure. The fish metric selection was based on their response to disturbances tested via statistical models (generalized linear models) taking into account sampling strategy and estuarine features. Four metrics, for which discriminating responses to level of pressure were demonstrated, were retained to constitute the estuarine multimetric fish index. This new tool appeared particularly relevant to detect the contamination effects on fish communities in estuaries. It could help managers to take decisions in order to maintain or reach the good status required by the Water Framework Directive for 2015.

Citations

Nov 3, 2015·Marine Pollution Bulletin·Szymon Smoliński, Joanna Całkiewicz
Mar 5, 2016·The Science of the Total Environment·Sandra PoikaneMarco Cantonati
Feb 3, 2012·Marine Pollution Bulletin·Andréa P VianaThierry Frédou
Jun 14, 2016·Marine Pollution Bulletin·Tatiana Pires Teixeira-NevesFrancisco Gerson Araújo
Jan 14, 2018·Environmental Management·H DrouineauE de Oliveira
May 16, 2014·Global Change Biology·Brian R MacKenzieHelle Siegstad
Apr 28, 2019·Environmental Monitoring and Assessment·G B SreekanthS K Chakraborty
Mar 5, 2021·Environmental Science and Pollution Research International·Dhanya Mohan LalZeba Jaffer Abidi
Jun 21, 2020·The Science of the Total Environment·Sandra PoikaneWouter van de Bund

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