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Submitted July 21, 2022
Published 2022-07-21

Artículos

Vol. 11 No. 2 (2022): Centros: Revista Científica Universitaria

EVALUATION OF COLIFORMS AND PHYSICO-CHEMICAL FACTORS OF THE WATER IN A SECTOR OF THE MOUTH OF THE SAN PABLO RIVER, VERAGUAS, PANAMA

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DOI: ND

Published: 2022-07-21

How to Cite

Him Fábrega, J. J., & Vásquez, D. (2022). EVALUATION OF COLIFORMS AND PHYSICO-CHEMICAL FACTORS OF THE WATER IN A SECTOR OF THE MOUTH OF THE SAN PABLO RIVER, VERAGUAS, PANAMA. Centros: Revista Científica Universitaria, 11(2), 27–42. Retrieved from https://revistas.up.ac.pa/index.php/centros/article/view/3080
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Abstract

Between April 2003 and February 2004, a study was carried out in the estuarine ecosystem of the San Pablo River in de Gulf of Montijo. In order to determine the level of physical-chemical and bacteriological contamination that this river contributes to the Gulf, five stations were established where surface waters were sampled in the morning hours. The physical-chemical parameters studied were pH, total suspended solids, nutrients (phosphorus, phosphate and nitrate), detergents, dissolved oxygen and biochemical oxygen demand. Fecal coliforms were used to establish the degree of bacterial contamination. In the physical- chemical analysis, the results indicated that the waters of the studied ecosystem have a pH and and an oxygenation level that allow the development and maintenance of the biota. Although eutrophic conditions were not detected, the existing nutrient levels indicated that the stuary possibly receives an important contribution of fertilizers, product of agricultural activities. The bacteriological analysis showed that coliform levels in the estuary did not exceed 50 CFU / 100 mL, remaining well under the maximum permissible limit for recreational waters (200 CFU / 100 mL). In general, the waters of the San Pablo River do not provide significant pollution to the Gulf of Montijo in terms of the parameters analyzed, since they did not exceed the maximum permissible ranges in any of the sampling stations.

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