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Microplastics in Freshwater River in Rio de Janeiro and Its Role as a Source of Microplastic Pollution in Guanabara Bay, SE Brazil
Micro2023
40 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 50
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
Diego Gomes de Carvalho,
Diego Gomes de Carvalho,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Thiago L. Drabinski,
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Christine C. Gaylarde,
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Diego Gomes de Carvalho,
Diego Gomes de Carvalho,
André Luiz Carvalho da Silva,
André Luiz Carvalho da Silva,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
José Antônio Baptista Neto,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Christine C. Gaylarde,
José Antônio Baptista Neto,
Diego Gomes de Carvalho,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Marcos F. P. Lourenço,
Christine C. Gaylarde,
Christine C. Gaylarde,
José Antônio Baptista Neto,
José Antônio Baptista Neto,
André Luiz Carvalho da Silva,
Wilson Machado,
Thiago L. Drabinski,
Marcos F. P. Lourenço,
Marcos F. P. Lourenço,
Marcos F. P. Lourenço,
Wilson Machado,
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
José Antônio Baptista Neto,
Diego Gomes de Carvalho,
Estefan Monteiro da Fonseca
André Luiz Carvalho da Silva,
Estefan Monteiro da Fonseca
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
José Antônio Baptista Neto,
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
José Antônio Baptista Neto,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Christine C. Gaylarde,
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Estefan Monteiro da Fonseca
Summary
Researchers found widespread microplastic contamination in three rivers flowing into Guanabara Bay, Brazil, with an average of 3,651 particles per cubic meter dominated by fibers, identifying these freshwater systems as major sources of coastal microplastic pollution.
In the present research, the occurrence of contamination by microplastics in the water column was investigated in 15 sample sites along the rivers Guapimirim, Macacu and Maracanã—important rivers that flow into Guanabara Bay, a very polluted estuarine environment in Brazil. The correctidentified polymers were manually counted and classified as to their morphology and color using a binocular stereomicroscope and were characterized by ATR-FTIR spectroscopy. The total mean abundance of particles was 3651.5 items m−3, ranging from 3.6 to 51,166.5 items m−3. Plastic debris was identified in all samples, with a predominance of fibers (67.3%). Polyethylene, polyester fiber and high-density polyethylene (50%) were the major polymers, and the main colors were transparent followed by black and blue in all the water bodies studied. The highest quantities of microplastics were found in the Maracanã River. The figures show that microplastic concentrations are correlated to the level of urbanization.