Evaluating the Ecological Conditions of a Semi-Arid River Basin: A Multimetric Index Incorporating Fish and Macroinvertebrate assemblages.
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| Titel: | Evaluating the Ecological Conditions of a Semi-Arid River Basin: A Multimetric Index Incorporating Fish and Macroinvertebrate assemblages. |
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| Autoren: | Zare Shahraki M; Institute of Microbiology, University of Applied Sciences and Arts of Southern Switzerland, Mendrisio, Switzerland., Esmaeili Ofogh AR; Institute of Microbiology, University of Applied Sciences and Arts of Southern Switzerland, Mendrisio, Switzerland., Fathi P; Institute of Microbiology, University of Applied Sciences and Arts of Southern Switzerland, Mendrisio, Switzerland.; FWBON the Freshwater Biodiversity Observation Network of GEOBON, Montreal, QC, Canada., Flotemersch J; U.S. Environmental Protection Agency, Office of Research and Development, Ohio, OH, USA., Blocksom K; U.S. Environmental Protection Agency, Office of Research and Development, Oregon, OR, USA., Bruder A; Institute of Microbiology, University of Applied Sciences and Arts of Southern Switzerland, Mendrisio, Switzerland. andreas.bruder@supsi.ch.; FWBON the Freshwater Biodiversity Observation Network of GEOBON, Montreal, QC, Canada. andreas.bruder@supsi.ch. |
| Quelle: | Environmental management [Environ Manage] 2025 Nov 28; Vol. 76 (1), pp. 19. Date of Electronic Publication: 2025 Nov 28. |
| Publikationsart: | Journal Article |
| Sprache: | English |
| Info zur Zeitschrift: | Publisher: Springer Verlag Country of Publication: United States NLM ID: 7703893 Publication Model: Electronic Cited Medium: Internet ISSN: 1432-1009 (Electronic) Linking ISSN: 0364152X NLM ISO Abbreviation: Environ Manage Subsets: MEDLINE |
| Imprint Name(s): | Publication: New York Ny : Springer Verlag Original Publication: New York, Springer-Verlag. |
| MeSH-Schlagworte: | Fishes*/classification , Invertebrates*/classification , Rivers* , Ecosystem* , Environmental Monitoring*/methods, Animals ; Iran ; Biodiversity ; Conservation of Natural Resources ; Principal Component Analysis |
| Abstract: | Competing Interests: Competing interests: The authors declare no competing interests. The health and integrity of freshwater ecosystems are significantly affected by anthropogenic pressures. Understanding the ecological conditions of freshwater ecosystems is crucial for effective conservation and management strategies. In this study, we developed a new multimetric index, the Karun Fish-Macroinvertebrate Index (KFMI), that incorporates data on fish and macroinvertebrate assemblages to assess the ecological conditions of the Karun River basin, in Iran. We sampled 53 sites and collected data on fish and macroinvertebrate communities, physicochemical parameters, and habitat characteristics. We used physicochemical and physical habitat characteristics data to identify reference conditions using the concept of least-disturbed condition and based on Principal Component Analysis (PCA). We calculated 54 fish and 363 macroinvertebrate metrics to represent different aspects of ecosystem health. We created multiple KFMIs by combining specific core metrics through a stepwise process that assessed metric stability, responsiveness to environmental variables, and redundancy. The final KFMI consisted of seven metrics (3 fish and 4 macroinvertebrate) related to taxa richness, community composition, functional diversity indices, functional feeding groups, reproduction status, and habitat preferences. The index showed good discrimination efficiency (92%) and precision in classifying sites into different ecological health categories and highlights the value of incorporating multiple biological assemblages in multimetric indices to support ecosystem assessment and management strategies. (© 2025. The Author(s).) |
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| Contributed Indexing: | Keywords: Anthropogenic disturbances; Bioindicators; Ecosystem health; Freshwater ecosystem |
| Entry Date(s): | Date Created: 20251128 Date Completed: 20251128 Latest Revision: 20251201 |
| Update Code: | 20251201 |
| PubMed Central ID: | PMC12662918 |
| DOI: | 10.1007/s00267-025-02319-7 |
| PMID: | 41315093 |
| Datenbank: | MEDLINE |
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Nájsť tento článok vo Web of Science | Abstract: | Competing Interests: Competing interests: The authors declare no competing interests.<br />The health and integrity of freshwater ecosystems are significantly affected by anthropogenic pressures. Understanding the ecological conditions of freshwater ecosystems is crucial for effective conservation and management strategies. In this study, we developed a new multimetric index, the Karun Fish-Macroinvertebrate Index (KFMI), that incorporates data on fish and macroinvertebrate assemblages to assess the ecological conditions of the Karun River basin, in Iran. We sampled 53 sites and collected data on fish and macroinvertebrate communities, physicochemical parameters, and habitat characteristics. We used physicochemical and physical habitat characteristics data to identify reference conditions using the concept of least-disturbed condition and based on Principal Component Analysis (PCA). We calculated 54 fish and 363 macroinvertebrate metrics to represent different aspects of ecosystem health. We created multiple KFMIs by combining specific core metrics through a stepwise process that assessed metric stability, responsiveness to environmental variables, and redundancy. The final KFMI consisted of seven metrics (3 fish and 4 macroinvertebrate) related to taxa richness, community composition, functional diversity indices, functional feeding groups, reproduction status, and habitat preferences. The index showed good discrimination efficiency (92%) and precision in classifying sites into different ecological health categories and highlights the value of incorporating multiple biological assemblages in multimetric indices to support ecosystem assessment and management strategies.<br /> (© 2025. The Author(s).) |
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| ISSN: | 1432-1009 |
| DOI: | 10.1007/s00267-025-02319-7 |