**Acknowledgements**

Thanks to Dr. Alejandra Martín Dominguez, Treatment and Water Quality Area Coordinator of the Instituto Mexicano de Tecnología del Agua for the invitation to participate in the project TC1605.1 "Ecological Integrity and Environmental Health Indicators for the Yautepec, Mor., River Basin. 1st., 2nd., and 3rd. Stage" (Indicadores de Integridad Ecológica y Salud Ambiental para la Cuenca del Río Yautepec, Mor. 1ra., 2da., y 3ra. Etapa"), led by Dr. Perla Alonso Elia-Egís.
