Mercury Contamination in Fish from Santarém, Pará, Brazil

This paper reports on total mercury concentrations in edible tissue from 11 fish species caught in the Municipality of Santarém, Tapajós River Basin, Pará State, which are most consumed by the local population and investigates the influence of the distance between the goldmining areas and Santarém c...

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Bibliographic Details
Published in:Environmental research 2000-06, Vol.83 (2), p.117-122
Main Authors: de Souza Lima, Ana Paula, Sarkis Müller, Regina Celi, de Souza Sarkis, Jorge Eduardo, Nahum Alves, Cláudio, da Silva Bentes, Maria Helena, Brabo, Edilson, de Oliveira Santos, Elisabeth
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Body Weight
Brazil
Brazil, Santarem
Environmental Monitoring
fish
Fishes
Food Contamination
Food toxicology
Freshwater
Gold
Humans
Medical sciences
Mercury - analysis
Mining
Pellona
Pseudoplatystoma
Public Health
Santarém
Seafood
Tapajós River
Tissue Distribution
total mercury
Toxicology
weight
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Summary:This paper reports on total mercury concentrations in edible tissue from 11 fish species caught in the Municipality of Santarém, Tapajós River Basin, Pará State, which are most consumed by the local population and investigates the influence of the distance between the goldmining areas and Santarém city on fish contamination by mercury. It was found that the carnivorous species reached an average of 222.1 ng.g−1 (n=69), higher than the herbivorous species with 31.9 ng.g−1 (n=30) and the omnivorous species with 68.7 ng.g−1 (n=10). Significant relationships are found between fish weight and total mercury concentrations by using descriptive statistical and regression analysis for the two species, the carnivorous Pellona sp. (Sarda, r=0.73) and Pseudoplatystoma sp. (Surubim, r=0.63).
ISSN:0013-9351
1096-0953
DOI:10.1006/enrs.2000.4051