Multiple stressor effects on biological quality elements in the Ebro River: Present diagnosis and predicted responses
MetadataShow full item record
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.
Is part ofScience of the Total Environment, 2018, núm. 630, p. 1608-1618
The following license files are associated with this item:
Except where otherwise noted, this item's license is described as cc-by-nc-nd (c) Herrero et al., 2018
Showing items related by title, author, creator and subject.
Herrero, Albert; Vila, Judit; Ginebreda, A.; Sabater, Sergi; Batalla, Ramon J.; Barceló, Damià (Elsevier, 2018)Pollutants' dynamics in rivers flowing through industrial areas is linked to the entrainment and transport of contaminants attached to solid particles. The transport of sediment is mainly associated to high discharges and ...
Buendia, C.; Herrero, A.; Sabater, Sergi; Batalla, Ramon J. (Elsevier, 2016)The number of studies assessing soil erosion and sediment transport has increased with the aim of achieving sustainable land and water management. Mediterranean rivers have been the object of many of these studies due to ...
Effects of flow regulation on river bed dynamics and invertebrate communities in a Mediterranean river Lobera Galán, Gemma; Muñoz, I.; López Tarazón, José Andrés; Vericat Querol, Damià; Batalla, Ramon J. (Springer International Publishing, 2016)Mediterranean rivers are hotspots for biodiversity, and riverine species are adapted to regular physical perturbations that affect channel morphology during flashy rainfall-runoff events. Dams alter flow regimes, ...