Mercury in fish marketed in the Amazon Triple Frontier and Health Risk Assessment

Autor: Marcelo de Oliveira Lima, Stephani Ferreira da Silva
Rok vydání: 2020
Předmět:
Gills
Gill
Sa?de P?blica
Health
Toxicology and Mutagenesis
0208 environmental biotechnology
02 engineering and technology
010501 environmental sciences
01 natural sciences
Dietary Exposure
Hoplias malabaricus
Intoxica??o por Merc?rio / veterin?ria
Merc?rio / toxicidade
Biodegrada??o Ambiental
Alto Solim?es (AM)
education.field_of_study
biology
Muscles
Fishes
Cichlids
General Medicine
Pollution
Bioaccumulation
Merc?rio / an?lise
Characiformes
Hoplosternum littorale
Pseudoplatystoma fasciatum
Environmental Monitoring
Food Chain
Environmental Engineering
Cichla ocellaris
Population
Zoology
Food Contamination
Risk Assessment
Rivers
Animals
Humans
Environmental Chemistry
Peixes / an?lise
education
Ecosystem
0105 earth and related environmental sciences
Mercury in fish
Public Health
Environmental and Occupational Health
Mercury
General Chemistry
biology.organism_classification
020801 environmental engineering
Seafood
Water Pollutants
Chemical
Zdroj: Repositório Digital do Instituto Evandro Chagas (Patuá)
Instituto Evandro Chagas (IEC)
instacron:IEC
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2020.125989
Popis: Federal University of Para. Aquatic Ecology and Fisheries Graduate Program. Bel?m, PA, Brazil. Federal University of Para. Aquatic Ecology and Fisheries Graduate Program. Bel?m, PA, Brazil / Minist?rio da Sa?de. Secretaria de Vigil?ncia em Sa?de. Instituto Evandro Chagas. Ananindeua, PA, Brasil. Fish has great socioeconomic, cultural, and nutritional importance for Amazonian populations. Despite all health benefits, fish can accumulate great amounts of mercury (Hg). The entry of Hg in aquatic trophic chains is an issue of concern to animal and human health. Higher risks of human exposure are strongly related to fish consumption. Upper Solimoes population has one of the highest fish consumption rates of the Amazon. This study aimed to access the concentration of total Hg (THg) in muscle, liver, and gills of 17 species of fishes marketed in the Upper Solimoes Region and Health Risk Assessment. Higher concentrations were observed in Carnivores/Piscivores. The highest THg concentration was found in liver of Cichla ocellaris (4.549 mg/g) and the lowest in gills of Hoplosternum littorale (0.002 mg/g). Most species had higher THg concentrations in muscle>liver>gills, in the Ebb period, and liver>muscle>gills, in the Flood period. Hoplias malabaricus, Pseudoplatystoma fasciatum, Plagioscion squamosissimus, Ageneiosus inermis, and C. ocellaris presented average THg concentrations above the safe limit stablished by WHO. THg levels in C. ocellaris, H. malabaricus, P. squamosissimus, P. fasciatum, and Semaprochilodus insignis were higher than those found in fish of heavily impacted areas. Signs of bioaccumulation and biomagnifications of Hg can already be observed in this region. The Western Amazon Region urgently needs government actions to inhibit Hg release in aquatic ecosystems and to advise this population on the safe amount of fish to be eaten according to species and period of the year.
Databáze: OpenAIRE
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