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Title (Primary) Multiple stressor effects on biological quality elements in the Ebro River: Present diagnosis and predicted responses
Author Herrero, A.; Gutiérrez-Cánovas, C.; Vigiak, O.; Lutz, S.; Kumar, R.; Gampe, D.; Huber-García, V.; Ludwig, R.; Batalla, R.; Sabater, S.;
Journal Science of the Total Environment
Year 2018
Department CHS; CATHYD;
Volume 630
Language englisch;
POF III (all) T53;
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Keywords Diatoms; Macrophytes; Invertebrates Climate change Land use change
UFZ wide themes RU2;
Abstract Multiple abiotic stressors affect the ecological status of water bodies. The status of waterbodies in the Ebro catchment (NE Spain) is evaluated using the biological quality elements (BQEs) of diatoms, invertebrates and macrophytes. The multi-stressor influence on the three BQEs was evaluated using the monitoring dataset available from the catchment water authority. Nutrient concentrations, especially total phosphorus (TP), affected most of the analyzed BQEs, while changes in mean discharge, water temperature, or river morphology did not show significant influences. Linear statistical models were used to evaluate the change of water bodies' ecological status under different combinations of future socioeconomic and climate scenarios. Changes in land use, rainfall, water temperature, mean discharge, TP and nitrate concentrations were modeled according to the future scenarios. These revealed an evolution of the abiotic stressors that could lead to a general decrease in the ecosystem quality of water bodies within the Ebro catchment. This deterioration was especially evidenced on the diatoms and invertebrate biological indices, mainly because of the foreseen increase in TP concentrations. Water bodies located in the headwaters were seen as the most sensitive to future changes.
ID 20096
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=20096
Herrero, A., Gutiérrez-Cánovas, C., Vigiak, O., Lutz, S., Kumar, R., Gampe, D., Huber-García, V., Ludwig, R., Batalla, R., Sabater, S. (2018):
Multiple stressor effects on biological quality elements in the Ebro River: Present diagnosis and predicted responses
Sci. Total Environ. 630 , 1608 - 1618