Mercury exposures in riverside Amazon communities in Para, Brazil
Open accessAbstract
Cross-sectional studies were conducted in three riverside communities in the state of Pará in the Amazon Region of Brazil. Two of these communities, Brasília Legal and São Luís do Tapajós, are located in a watershed exposed to mercury pollution from artisanal gold mining, and the third, Santana do Ituqui, is outside this area. The studies were based upon a community census and included all persons volunteering for participation in each community. All participants were surveyed by questionnaire for health history, occupation, residence, and diet. Clinical evaluations were also done on each subject, along with collection of blood, urine, feces, and hair. Fish samples were collected to represent the most frequently consumed species. Mercury was measured in hair and fish. Although no signs or symptoms of overt mercury intoxication were observed, persons in Brasília Legal and São Luís do Tapajós had higher levels of mercury in hair than residents of Santana de Ituqui, located out of the risk area. Levels of mercury in fish were below Brazilian health guidance limits, but the high rates of fish consumption among these populations raise concerns for the possible effects of chronic exposure, especially among young children and women of childbearing age.
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Many studies have already shown mercury contamination in the fauna of the Tapajós River Basin at least two decades ago.
“Many studies have already shown mercury contamination in the fauna of the Tapajós River Basin at least two decades ago [55,56,57,58,59,60,61,62,63,64,65].”
From Health Risk Assessment of Mercury Exposure from Fish Consumption in Munduruku Indigenous Communities in the Brazilian Amazon (2021) · cites this paper as [58]
Fish consumption among Munduruku indigenous people can be considered high, at least three meals per day, varying slightly between different groups.
“On the other hand, fish consumption among Munduruku indigenous people can be considered high (at least three meals per day), varying slightly between different groups [56,58,59].”
From Health Risk Assessment of Mercury Exposure from Fish Consumption in Munduruku Indigenous Communities in the Brazilian Amazon (2021) · cites this paper as [58]
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Vasconcellos, A. C. S. D., Hallwass, G., Bezerra, J. G., Aciole, A. N. S., Meneses, H. N. D. M., Lima, M. D. O., Jesus, I. M. D., Hacon, S. D. S., & Basta, P. C. (2021) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph18157940 · Cited by 69 · see citing works
Self-citation
- Authors
- de Oliveira Santos, E. C., de Jesus, I. M., da Silva Brabo, E., Brito Loureiro, E. C., da Silva Mascarenhas, A. F., Weirich, J., Câmara, V. D. M., & Cleary, D.
- Affiliations
- Instituto Evandro Chagas (BR)
- Universidade Federal do Rio de Janeiro (BR)
- European Union (BE)
- ORCID
- Câmara, Volney de M.
- Venue
- Environmental Research
- Publisher
- Elsevier BV
- Published
- 2000-10
- Volume
- 84
- Issue
- 2
- Pages
- 100-107
- ISSN
- 0013-9351 (ISSN-L)
- OpenAlex
- W2138885738
- Cited by
- 100
- References
- 0
- Citations by year
- 2026: 4 · 2025: 1 · 2023: 2 · 2022: 3 · 2021: 3 · 2020: 2 · 2019: 2 · 2018: 3 · 2017: 2 · 2016: 2 · 2015: 5 · 2014: 6 · 2013: 7 · 2012: 4
- FWCI
- 3.48
- Type
- journal article
- Language
- en
- Open access
- green
- patua.iec.gov.br
- Licence
- Locations
- Environmental Research (publishedVersion)
- PubMed (publishedVersion)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, other-oa)
- Funders
- European Commission
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
- Topics
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Mercury impact and mitigation studies
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Heavy Metal Exposure and Toxicity
- Physical Sciences › Environmental Science › Environmental Chemistry › Arsenic contamination and mitigation
- Keywords
- mercury exposure, artisanal gold mining, riverine communities, hair mercury, mercury in fish, fish consumption, chronic mercury exposure, women of reproductive age, Pará
- MeSH terms
- Adolescent, Adult, Aged, Animals, Brazil, Child, Child, Preschool, Cross-Sectional Studies, Environmental Exposure, Female, Fishes, Food Contamination, Hair, Humans, Infant, Male, Middle Aged, Surveys and Questionnaires, Water Pollution, Chemical, Water Supply, Mercury Compounds, Age Distribution, Seafood
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