Bioindicators as metrics for environmental monitoring of desalination plant discharges

Marine Pollution Bulletin
Jose Antonio de-la-Ossa-CarreteroJose Luis Sánchez-Lizaso

Abstract

Development of desalination projects requires simple methodologies and tools for cost-effective and environmentally-sensitive management. Sentinel taxa and biotic indices are easily interpreted in the perspective of environment management. Echinoderms are potential sentinel taxon to gauge the impact produced by brine discharge and the BOPA index is considered an effective tool for monitoring different types of impact. Salinity increase due to desalination brine discharge was evaluated in terms of these two indicators. They reflected the environmental impact and recovery after implementation of a mitigation measure. Echinoderms disappeared at the station closest to the discharge during the years with highest salinity and then recovered their abundance after installation of a diffuser reduced the salinity increase. In the same period, BOPA responded due to the decrease in sensitive amphipods and the increase in tolerant polychaete families when salinities rose. Although salinity changes explained most of the observed variability in both indicators, other abiotic parameters were also significant in explaining this variability.

References

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Dec 30, 2014·Water Research·Yoana Del-Pilar-RusoJosé Luis Sánchez-Lizaso

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Citations

Aug 23, 2019·Global Change Biology·Moslem SharifiniaMehrzad Keshavarzifard
Mar 29, 2019·Environmental Science and Pollution Research International·Marta Herrero-GonzalezAngel Irabien
Nov 1, 2020·Marine Pollution Bulletin·Argyris Panagopoulos, Katherine-Joanne Haralambous
Nov 7, 2020·Marine Pollution Bulletin·Iván SolaJosé Luis Sánchez-Lizaso

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