Influence of hydroclimatic conditions and anthropogenic activities on the water quality of a floodplain lake (Argentina) during a warm season

被引：1

作者：

Gonzalez, María Josefina ^{[1
]}

Gonzalez, Stella Maris ^{[1
]}

Mayora, Gisela ^{[1
]}

Gutierrez, María Florencia ^{[1
,2
]}

Alberto, Diana ^{[1
]}

Rojas Molina, Florencia ^{[1
,3
]}

机构：

[1] Instituto Nacional de Limnología (INALI, CONICET-UNL), Ciudad Universitaria, Colectora Ruta Nacional 168 Km 0, Paraje “El Pozo”, Santa Fe

[2] Escuela Superior de Sanidad “Dr. Ramón Carrillo”, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (FBCB, UNL), Ciudad Universitaria, Colectora Ruta Nacional 168 Km 0, Paraje “El Pozo”, Santa Fe

[3] Facultad de Humanidades y Ciencias, Universidad Nacional del Litoral (FHUC, UNL), Ciudad Universitaria, Colectora Ruta Nacional 168 Km 0, Paraje “El Pozo”, Santa Fe

来源：

Environmental Science and Pollution Research | 2024年 / 31卷 / 36期

关键词：

Anthropogenic influence; Escherichia coli; Middle Paraná River; Recreational water; Water pollution; Water quality bioindicators;

D O I：

10.1007/s11356-024-34426-z

中图分类号：

学科分类号：

摘要：

Contamination of water bodies, associated with urbanization, agricultural, and industrial activities, is a serious environmental challenge, with particular concern about microbial pollution due to its public health implications. This study is aimed at evaluating the spatial and temporal variations in the microbiological and physicochemical quality of a floodplain lake used for recreational purposes, whose watershed has been disturbed by diverse anthropogenic activities. The results showed that, while the spatial variation of water quality principally depends on the basin characteristics, temporal variation of water quality depends on land uses, hydrological conditions, and climatic conditions. Rainfall and rising water level intensified the influence of land use on the water quality by increasing concentrations of Escherichia coli, thermotolerant coliforms, and organic matter and decreasing dissolved oxygen. Thus, the residents and tourists are potentially exposed to microbiological risks given that it exceeds the international standards suggested for recreational waters on some occasions. It would be advisable to improve routine bathing water monitoring and management to preserve the health of the inhabitants and limit the recreational use of the water body in the days following heavy rainfall as well as during the beginning of the increase in the hydrometric level. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

引用

页码：49330 / 49341

页数：11

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