Evaluation of ecological quality in peri-urban rivers in Mexico City: a proposal for identifying and validating reference sites using benthic macroinvertebrates as indicators. J Limnol [Internet]. 2015 Aug. 18 [cited 2025 Jul. 2];75(s1). Available from: https://www.jlimnol.it/jlimnol/article/view/jlimnol.2015.1304