Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil

Along the coast of the State of São Paulo, Brazil, urban drainage channels introduce a complex mixture of pollutants into the South Atlantic Ocean, that may cause deleterious effects to the aquatic biota. The objective of this study was to analyse, for the first time, the mutagenicity (Ames Salmonel...

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Autores principales:	Vinicius Roveri, Luciana Lopes Guimarães, Alberto Teodorico Correia
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	bioassay domestic sewage non-point source pollution pollution effect subtropical zone urban drainage channel Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/79d76faf199643a7a58718a1b37a9ec8
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spelling	oai:doaj.org-article:79d76faf199643a7a58718a1b37a9ec82021-11-06T11:09:59ZMutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil0273-12231996-973210.2166/wst.2021.175https://doaj.org/article/79d76faf199643a7a58718a1b37a9ec82021-06-01T00:00:00Zhttp://wst.iwaponline.com/content/83/12/3054https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732Along the coast of the State of São Paulo, Brazil, urban drainage channels introduce a complex mixture of pollutants into the South Atlantic Ocean, that may cause deleterious effects to the aquatic biota. The objective of this study was to analyse, for the first time, the mutagenicity (Ames Salmonella/microsome test) and ecotoxicity (acute and chronic tests, with Daphnia simillis and Ceriodaphnia dubia, respectively) exerted by the diffuse loads discharged in Guarujá, São Paulo coast, Brazil. Water sampling occurred bimonthly between January and July 2018 (rainy season: January through March; dry season: May through July) at four beaches with different profiles of use and land occupation: Tombo (Blue Flag certification), Enseada (high use by tourists), Perequê (fishing community) and Iporanga (conservation unit). No mutagenic potential was detected in the complex mixtures flowing to the study beaches. However, 30 and 80% of the analyses showed acute and chronic toxicities, respectively, mainly in the Enseada and Perequê channels during the rainy season. To improve the environmental quality of these coastal waters and to reduce the ecological risks posed to the aquatic organisms and public health, several actions are imperative, such as the amelioration of the basic sanitation facilities and land regularisation actions. HIGHLIGHTS Evaluation of the genotoxicity and ecotoxicity of urban surface runoff of Guarujá (State of São Paulo, Brazil).; No mutagenicity (Ames Salmonella) was detected in the water samples.; Acute (Daphnia simillis) and chronic (Ceriodaphnia dubia) toxicities were however recorded.; Results suggest potential risk to the environmental and public health.;Vinicius RoveriLuciana Lopes GuimarãesAlberto Teodorico CorreiaIWA Publishingarticlebioassaydomestic sewagenon-point source pollutionpollution effectsubtropical zoneurban drainage channelEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 12, Pp 3054-3062 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bioassay domestic sewage non-point source pollution pollution effect subtropical zone urban drainage channel Environmental technology. Sanitary engineering TD1-1066
spellingShingle	bioassay domestic sewage non-point source pollution pollution effect subtropical zone urban drainage channel Environmental technology. Sanitary engineering TD1-1066 Vinicius Roveri Luciana Lopes Guimarães Alberto Teodorico Correia Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil
description	Along the coast of the State of São Paulo, Brazil, urban drainage channels introduce a complex mixture of pollutants into the South Atlantic Ocean, that may cause deleterious effects to the aquatic biota. The objective of this study was to analyse, for the first time, the mutagenicity (Ames Salmonella/microsome test) and ecotoxicity (acute and chronic tests, with Daphnia simillis and Ceriodaphnia dubia, respectively) exerted by the diffuse loads discharged in Guarujá, São Paulo coast, Brazil. Water sampling occurred bimonthly between January and July 2018 (rainy season: January through March; dry season: May through July) at four beaches with different profiles of use and land occupation: Tombo (Blue Flag certification), Enseada (high use by tourists), Perequê (fishing community) and Iporanga (conservation unit). No mutagenic potential was detected in the complex mixtures flowing to the study beaches. However, 30 and 80% of the analyses showed acute and chronic toxicities, respectively, mainly in the Enseada and Perequê channels during the rainy season. To improve the environmental quality of these coastal waters and to reduce the ecological risks posed to the aquatic organisms and public health, several actions are imperative, such as the amelioration of the basic sanitation facilities and land regularisation actions. HIGHLIGHTS Evaluation of the genotoxicity and ecotoxicity of urban surface runoff of Guarujá (State of São Paulo, Brazil).; No mutagenicity (Ames Salmonella) was detected in the water samples.; Acute (Daphnia simillis) and chronic (Ceriodaphnia dubia) toxicities were however recorded.; Results suggest potential risk to the environmental and public health.;
format	article
author	Vinicius Roveri Luciana Lopes Guimarães Alberto Teodorico Correia
author_facet	Vinicius Roveri Luciana Lopes Guimarães Alberto Teodorico Correia
author_sort	Vinicius Roveri
title	Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil
title_short	Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil
title_full	Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil
title_fullStr	Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil
title_full_unstemmed	Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil
title_sort	mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of guarujá, state of são paulo, brazil
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/79d76faf199643a7a58718a1b37a9ec8
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Mutagenic and ecotoxicological assessment of urban surface runoff flowing to the beaches of Guarujá, State of São Paulo, Brazil

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