Advanced search
Start date
Betweenand

The reservoirs of the Cantareira System (Brazil, São Paulo): the relations between bioindicators benthic organisms and the heavy metals contamination

Grant number: 13/03494-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2013
Effective date (End): April 26, 2016
Field of knowledge:Engineering - Sanitary Engineering
Principal Investigator:Viviane Moschini Carlos
Grantee:Frederico Guilherme de Souza Beghelli
Home Institution: Instituto de Ciência e Tecnologia. Universidade Estadual Paulista (UNESP). Campus de Sorocaba. Sorocaba , SP, Brazil

Abstract

The potentially toxic metals are among the pollutants of most concern to aquatic environments. The Cantareira System is the main supplier of water for the Metropolitan Region of São Paulo. In recent years, there has been systematic application of copper in Atibainha downstream, leading to the hypothesis that the Paiva Castro reservoir is contaminated. It is recognized that contaminants tend to accumulate in the sediments and organisms living therein as macroinvertebrates (MIB). This research aims to: detect changes in the composition and structure of MIB in areas with different concentrations of metals; verify the occurrence of bioaccumulation of Cu in the MIB; verify relationships between morphological changes and concentrations of metals in sediments as well as perform a diagnosis of the quality of the system with the use of bioindicators. Samples were collected at nine points over three reservoirs: Jaguari-Jacarei; Cachoeira and Paiva Castro. Lectures of transparency, pH, temperature, dissolved oxygen and conductivity of the water was measured. Water samples were collected for the determination of metals. Regarding sediment concentrations were determined for Cd, Ni, Zn, Pb, Cu, Cr, As, Fe and Al and the proportions between fine, coarse fractions and organic matter content. We determined the proportions of changes in mouthparts of Chironomidae. Data obtained to date indicate the possibility of contamination. Statistical analysis indicated reduced diversity and density of organisms with increasing concentrations of Cr and an increase in the proportion of changes in the mouthparts against the concentrations of Cu. To confirm the effects of sediments on the Paiva Castro chironomid larvae, one in situ experiment with C. riparius larvae will be held. An experiment ex situ evaluate the effects of different concentrations of Cu over organisms

Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE SOUZA BEGHELLI, FREDERICO GUILHERME; CESAR LOPEZ-DOVAL, JULIO; HENRIQUE ROSA, ANDRE; POMPEO, MARCELO; MOSCHINI CARLOS, VIVIANE. Lethal and sublethal effects of metal-polluted sediments on Chironomus sancticaroli Strixino and Strixino, 1981. ECOTOXICOLOGY, v. 27, n. 3, p. 286-299, APR 2018. Web of Science Citations: 1.
BEGHELLI, F. G. S.; POMPEO, M. L. M.; ROSA, A. H.; MOSCHINI-CARLOS, V. Effects of copper in sediments on benthic macroinvertebrate communities in tropical reservoirs. LIMNETICA, v. 35, n. 1, p. 103-115, JUN 2016. Web of Science Citations: 3.
DE SOUZA BEGHELLI, FREDERICO GUILHERME; FRASCARELI, DANIELE; MARTINS POMPEO, MARCELO LUIZ; MOSCHINI-CARLOS, VIVIANE. Trophic State Evolution over 15 Years in a Tropical Reservoir with Low Nitrogen Concentrations and Cyanobacteria Predominance. WATER AIR AND SOIL POLLUTION, v. 227, n. 3 MAR 2016. Web of Science Citations: 8.
FREDERICO GUILHERME DE SOUZA BEGHELLI; MARCELO LUIZ MARTINS POMPÊO; MÔNICA PÁSCOLI; VIVIAN SILVA LIRA; RENATA DE LIMA; VIVIANE MOSCHINI-CARLOS. Can a one-sampling campaign produce robust results for water quality monitoring? A case of study in Itupararanga reservoir, SP, Brazil. Acta Limnol. Bras., v. 28, 2016.
FREDERICO GUILHERME DE SOUZA BEGHELLI; MARCELO LUIZ MARTINS POMPÊO; VIVIANE MOSCHINI CARLOS. First occurrence of the exotic Asian clam Corbicula fluminea (Muller, 1774) in the Jundiaí-Mirim River Basin, SP, Brazil. Rev. Ambient. Água, v. 9, n. 3, p. -, Set. 2014.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
BEGHELLI, Frederico Guilherme de Souza. As relações de organismos bentônicos bioindicadores com a poluição por metais e metaloides em represas do sistema Cantareira, São Paulo. 2016. 184 f. Doctoral Thesis - Universidade Estadual Paulista "Júlio de Mesquita Filho" (Câmpus de Sorocaba)..

Please report errors in scientific publications list by writing to: cdi@fapesp.br.
Distribution map of accesses to this page
Click here to view the access summary to this page.