Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river

A novel method is proposed for the development of ecosystem specific water quality indices in accordance with specific guidelines for the protection of aquatic life and with the capacity to demonstrate annual cycles, spatial and temporal variations, and trends in water quality. An ecosystem-specific...

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Autores principales:	Luis Fernando Casillas-García, José de Anda, Carlos Yebra-Montes, Harvey Shear, Diego Díaz-Vázquez, Misael Sebastián Gradilla-Hernández
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Ecosystem-specific water quality index Urban river Santiago-Guadalajara River Protection of aquatic life Land uses Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/ec804e84931449a68f8e15dd9274cbf1
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spelling	oai:doaj.org-article:ec804e84931449a68f8e15dd9274cbf12021-12-01T04:55:22ZDevelopment of a specific water quality index for the protection of aquatic life of a highly polluted urban river1470-160X10.1016/j.ecolind.2021.107899https://doaj.org/article/ec804e84931449a68f8e15dd9274cbf12021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21005641https://doaj.org/toc/1470-160XA novel method is proposed for the development of ecosystem specific water quality indices in accordance with specific guidelines for the protection of aquatic life and with the capacity to demonstrate annual cycles, spatial and temporal variations, and trends in water quality. An ecosystem-specific water quality index for the Santiago-Guadalajara River (SGR-WQI) was developed using a method based entirely on multivariate statistical methods and historical data distributions. The SGR-WQI was developed using data from 13 water quality monitoring stations in the Santiago-Guadalajara River basin, collected monthly from 2009 to 2019 by the State Water Commission of Jalisco, México. The behaviour of 44 water quality parameters was statistically analyzed. It was found that 17 of the parameters best represented the water quality of the River. Parameter selection also considered the legal limits, established by the Government of Mexico, for the protection of aquatic life. To consider the protection of aquatic biota in the assessment of the index, a method was proposed to incorporate these limits in the development of rating curves providing the WQI with high sensitivity to parameter values that are outside the legal limits. Furthermore, a well-structured method based on multivariate statistical techniques was used to determine the parameter weights that best distinguish between sampling points and seasons, clearly reflecting temporal and spatial variability, as well as to demonstrate the annual cycle and trends in water quality. The methodology proposed can be used elsewhere to develop ecosystem specific water quality indices that evaluate surface water for protection of aquatic life in accordance with local limits/standards/guidelines and that adequately reflect spatial and temporal variability in agreement with the specific context.Luis Fernando Casillas-GarcíaJosé de AndaCarlos Yebra-MontesHarvey ShearDiego Díaz-VázquezMisael Sebastián Gradilla-HernándezElsevierarticleEcosystem-specific water quality indexUrban riverSantiago-Guadalajara RiverProtection of aquatic lifeLand usesEcologyQH540-549.5ENEcological Indicators, Vol 129, Iss , Pp 107899- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ecosystem-specific water quality index Urban river Santiago-Guadalajara River Protection of aquatic life Land uses Ecology QH540-549.5
spellingShingle	Ecosystem-specific water quality index Urban river Santiago-Guadalajara River Protection of aquatic life Land uses Ecology QH540-549.5 Luis Fernando Casillas-García José de Anda Carlos Yebra-Montes Harvey Shear Diego Díaz-Vázquez Misael Sebastián Gradilla-Hernández Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
description	A novel method is proposed for the development of ecosystem specific water quality indices in accordance with specific guidelines for the protection of aquatic life and with the capacity to demonstrate annual cycles, spatial and temporal variations, and trends in water quality. An ecosystem-specific water quality index for the Santiago-Guadalajara River (SGR-WQI) was developed using a method based entirely on multivariate statistical methods and historical data distributions. The SGR-WQI was developed using data from 13 water quality monitoring stations in the Santiago-Guadalajara River basin, collected monthly from 2009 to 2019 by the State Water Commission of Jalisco, México. The behaviour of 44 water quality parameters was statistically analyzed. It was found that 17 of the parameters best represented the water quality of the River. Parameter selection also considered the legal limits, established by the Government of Mexico, for the protection of aquatic life. To consider the protection of aquatic biota in the assessment of the index, a method was proposed to incorporate these limits in the development of rating curves providing the WQI with high sensitivity to parameter values that are outside the legal limits. Furthermore, a well-structured method based on multivariate statistical techniques was used to determine the parameter weights that best distinguish between sampling points and seasons, clearly reflecting temporal and spatial variability, as well as to demonstrate the annual cycle and trends in water quality. The methodology proposed can be used elsewhere to develop ecosystem specific water quality indices that evaluate surface water for protection of aquatic life in accordance with local limits/standards/guidelines and that adequately reflect spatial and temporal variability in agreement with the specific context.
format	article
author	Luis Fernando Casillas-García José de Anda Carlos Yebra-Montes Harvey Shear Diego Díaz-Vázquez Misael Sebastián Gradilla-Hernández
author_facet	Luis Fernando Casillas-García José de Anda Carlos Yebra-Montes Harvey Shear Diego Díaz-Vázquez Misael Sebastián Gradilla-Hernández
author_sort	Luis Fernando Casillas-García
title	Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
title_short	Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
title_full	Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
title_fullStr	Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
title_full_unstemmed	Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
title_sort	development of a specific water quality index for the protection of aquatic life of a highly polluted urban river
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/ec804e84931449a68f8e15dd9274cbf1
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Development of a specific water quality index for the protection of aquatic life of a highly polluted urban river

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