Indicator taxa of benthic diatom communities: a case study in Mediterranean streamsE. Tornés, J. Cambra, J. Gomà, M. Leira, R. Ortiz and S. SabaterAnn. Limnol. - Int. J. Lim., 43 1 (2007) 1-11DOI: https://doi.org/10.1051/limn/2007023