Rico, A. and Hommen, U. and Escher, B.I. and Koch, A. and Bado-Nilles, A. and Gonzalez-Gaya, B. and Cody, E. and Sylvester, F. and Treu, G. and Alurralde, G. and Hollert, H. and Alvarez-Mora, I. and Moe, S.J. and de Jonge, J. and Ng, K. and Soto, M. and Liess, M. and Muz, M. and Bundschuh, M. and Lopez-Herguedas, N. and Pucheux, N. and Alygizakis, N. and von der Ohe, P.C. and Beaudouin, R. and Finckh, S. and Schulze, T. and Verhaegen, Y. and van den Brink, P.J. (2025) The use of diagnostic tools to assess the risks of chemicals to freshwater ecosystems: towards a unified evaluation framework. Environmental Management. ISSN 0364-152X (In Press)
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Abstract
The risk assessment of chemicals relies on multiple tools to quantify the ecological responses of ecosystems to existing chemical pollution. These tools are broadly categorized into three major groups: toxic pressure assessments, bioassays, and ecological monitoring. Here, we examine the strengths and limitations of these approaches, their current level of implementation for freshwater ecosystems across Europe, and their ability to evaluate the impacts of chemicals under field conditions. Additionally, we analyze the correspondence between results obtained from these tools when applied to a monitoring dataset from German streams. Our evaluation showed that no single tool can perfectly characterize the environmental impacts of chemical mixtures. However, each provides distinct lines of evidence, enabling the identification of chemicals driving ecological risks and the biological endpoints most likely to be affected, with ecological monitoring tools having the potential to show long-term ecosystem impairment. Finally, we propose recommendations to better understand the discrepancies between the outcomes of different methods and explore their potential integration into a unified water quality evaluation framework.
| Item Type: | Article |
|---|---|
| Subjects: | Q Science > Q Science (General) |
| Depositing User: | José Ángel Gómez Martín |
| Date Deposited: | 01 Oct 2025 14:40 |
| Last Modified: | 01 Oct 2025 14:42 |
| URI: | http://eprints.imdea-agua.org:13000/id/eprint/1745 |
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