Are biotic indices sensitive to river toxicants? A comparison of metrics based on diatoms and macro-invertebrates.

@article{Blanco2010AreBI,
  title={Are biotic indices sensitive to river toxicants? A comparison of metrics based on diatoms and macro-invertebrates.},
  author={Sa{\'u}l Blanco and Eloy B{\'e}cares},
  journal={Chemosphere},
  year={2010},
  volume={79 1},
  pages={18-25}
}
Biotic indices based on macro-invertebrates and diatoms are frequently used to diagnose ecological quality in watercourses, but few published works have assessed their effectiveness as biomonitors of the concentration of micropollutants. A biological survey performed at 188 sites in the basin of the River Duero in north-western Spain. Nineteen diatom and six macro-invertebrate indices were calculated and compared with the concentrations of 37 different toxicants by means of a correlation… CONTINUE READING
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