Analysis of benthic macroinvertebrates and biotic indices to evaluate water quality in rivers impacted by mining activities in northern ChileI.E. Alvial, D.H. Tapia, M.J. Castro, B.C. Duran and C.A. VerdugoKnowl. Managt. Aquatic Ecosyst., 407 (2012) 01DOI: https://doi.org/10.1051/kmae/2012027