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Variación de la calidad del agua de La Ciénega de Tláhuac, México

Water quality variation of Cienega de Tlahuac, Mexico
[journal article]

Lanza Espino, Guadalupe de la
Hernández Pulido, Salvador

Abstract

En las márgenes de la Ciénega de Tláhuac se encuentran actualmente asentamientos humanos y se desarrollan actividades agropecuarias que impactan el medio acuático por las descargas de aguas residuales. Debido a ello, este trabajo evalúa la calidad del agua y la compara con información publicada ha... view more

En las márgenes de la Ciénega de Tláhuac se encuentran actualmente asentamientos humanos y se desarrollan actividades agropecuarias que impactan el medio acuático por las descargas de aguas residuales. Debido a ello, este trabajo evalúa la calidad del agua y la compara con información publicada hace 20 años. Los resultados muestran alta conductividad derivada de escurrimientos agropecuarios periféricos que emplean fertilizantes, elevada dureza, altos contenidos de sulfatos, pH alcalino, concentración de oxígeno disuelto desde sobresaturación hasta hipoxia o anoxia, una hipereutrofización con elevados niveles de nitrógeno y fósforo totales, además de contaminación bacteriana por coliformes fecales. Los resultados encontrados son más altos comparados con los de 20 años atrás y señalan una mala calidad del agua, en particular hipereutrofizada.... view less


At present, domestic and farming activities take place along its margins of the Cienega de Tlahuac and affect the water through runoff. In view of this, the study evaluated the water quality and compared it to data which was published 20 years ago. The results showed high conductivity due to surrou... view more

At present, domestic and farming activities take place along its margins of the Cienega de Tlahuac and affect the water through runoff. In view of this, the study evaluated the water quality and compared it to data which was published 20 years ago. The results showed high conductivity due to surrounding farming runoff rich in fertilizers, hard water with a high sulfate content, an alkaline pH, an oxygen content that varied from anoxia or hypoxia to oversaturation, a hypereutrophication due to high levels of total nitrogen and phosphorus, and contamination due to fecal coliform bacteria. These data are higher than those of 20 years ago and indicate a bad water quality, particularly hypereutrophic.... view less

Keywords
water; quality; agriculture; environmental impact; Mexico; Central America

Classification
Ecology, Environment

Free Keywords
Cienega de Tlahuac; hypereutrophication

Document language
Spanish

Publication Year
2019

Page/Pages
p. 1-20

Journal
CIENCIA ergo-sum : revista científica multidisciplinaria de la Universidad Autónoma del Estado de México, 26 (2019) 3

DOI
https://doi.org/10.30878/ces.v26n3a4

ISSN
2395-8782

Status
Published Version; reviewed

Licence
Creative Commons - Attribution-Noncommercial-No Derivative Works 4.0


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