Biological indicators of water quality: The role of fish and macroinvertebrates as indicators of water quality

Eugenia López-López, Jacinto Elías Sedeño-Díaz

Research output: Chapter in Book/Report/Conference proceedingChapter

14 Scopus citations

Abstract

© Springer Science+Business Media Dordrecht 2015. Freshwater systems contain about 10% of the fauna species on earth and offer environmental services; however, human activities affect freshwater resources structurally and functionally, reducing the possibilities of using it. Thus, freshwater ecosystems are recognized as the most threatened worldwide, and therefore, aquatic organisms require attention for their conservation. Biological methods have proved to be suitable for the surveillance of aquatic ecosystems. In this sense, given their biological and ecological features, freshwater fish and macroinvertebrates, from the suborganismal to community level, exhibit excellent response signals to stressors. In this contribution, we review the main approaches for assessing freshwater ecosystems using fish and macroinvertebrates. At low organization levels, biomarkers are excellent early warning indicators making evident that organisms have been in contact with contaminants and the effects can be reversible, while the high organization levels reflect an overview of the global impact on aquatic resources; both organization levels show spatial (locally and regionally), and temporal (past and present) effects of water quality conditions of the aquatic ecosystems.
Original languageAmerican English
Title of host publicationEnvironmental Indicators
Number of pages576
ISBN (Electronic)9789401794992, 9789401794985
DOIs
StatePublished - 1 Jan 2015

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