Abstract
Benthic fauna size distribution, water and sediment composition, and physiographic features of catchments were used to classify ten reservoirs in the Ebro basin, Spain. Three reservoirs (Alloz, Urrunaga and Barasona) diverged from the rest. Environmental factors (water and sediment characteristics) that accounted for the separation of these three reservoirs were directly linked to minor features of the watersheds (high chloride water concentration in Alloz reservoir, iron loading in Barasona reservoir, and Na-rich silicates in sediments from Urrunaga reservoir).
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Real, M., Sabater, F. & Morguí, J.A. Significant physiographic disturbances in the Ebro basin reservoirs (N.E. Spain) reflected by Oligochaeta size spectra. Hydrobiologia 235, 363–374 (1992). https://doi.org/10.1007/BF00026226
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DOI: https://doi.org/10.1007/BF00026226