Search Results - "Almeida, Marcelo Gomes"
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Metal concentrations and biological effects from one of the largest mining disasters in the world (Brumadinho, Minas Gerais, Brazil)
Published in Scientific reports (03-04-2020)“…The rupture of the Brumadinho mining tailings dam in Brazil is considered one of the largest mining disasters in the world, resulting in 244 deaths and 26…”
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Risk of exposure to total and inorganic arsenic by meat intake among different age groups from Brazil: a probabilistic assessment
Published in Environmental science and pollution research international (01-12-2018)“…Beef and poultry as well as cattle and chicken livers are staple food items for Brazilian population, and previous studies had detected arsenic levels in these…”
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3
Mercury in litterfall and sediment using elemental and isotopic composition of carbon and nitrogen in the mangrove of Southeastern Brazil
Published in Estuarine, coastal and shelf science (05-03-2018)“…Mercury and elemental and isotopic compositions of carbon and nitrogen were determined in litterfall and sediments from the mangrove of the Paraíba do Sul…”
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Consequences of removal of exotic species (eucalyptus) on carbon and nitrogen cycles in the soil-plant system in a secondary tropical Atlantic forest in Brazil with a dual-isotope approach
Published in PeerJ (San Francisco, CA) (28-05-2020)“…The impact of exotic species on heterogeneous native tropical forest requires the understanding on which temporal and spatial scales these processes take…”
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Concentrations and isotope ratios of mercury in sediments from shelf and continental slope at Campos Basin near Rio de Janeiro, Brazil
Published in Chemosphere (Oxford) (01-07-2017)“…Mercury (Hg) may originate from both anthropogenic and natural sources. The measurement of spatial and temporal variations of Hg isotope ratios in sediments…”
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Effects of recent urbanization on carbon and nitrogen burial rates of sedimentary records in a tropical coastal lagoon (Brazil)
Published in Environmental research (15-12-2024)“…Land use and land cover changes (LULCC) are a global environmental issue that has impacted biogeochemical cycles worldwide. Sedimentary records can demonstrate…”
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Mercury biomagnification in an ichthyic food chain of an amazon floodplain lake (Puruzinho Lake): Influence of seasonality and food chain modeling
Published in Ecotoxicology and environmental safety (01-01-2021)“…Mercury (Hg) biomagnification in fish food chains is a relevant subject due to the high fish consumption of the Amazonian population and the high toxicity of…”
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Evaluating total mercury and methylmercury biomagnification using stable isotopes of carbon and nitrogen in fish from the Madeira River basin, Brazilian Amazon
Published in Environmental science and pollution research international (01-03-2023)“…The isotopic signatures of carbon in primary consumer fish species in the Madeira River basin (Western Amazon) follow a pattern, with basal species feeding…”
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Do fish isotopic niches change in an Amazon floodplain lake over the hydrological regime?
Published in Ecology of freshwater fish (01-01-2022)“…Floodplain lakes are ecosystems characterised by annual flood and dry cycles. Fish ecology is influenced by the flood pulse due to the large influx of…”
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Arsenic in the lower drainage basin of the Paraíba do Sul River (Southeast Brazil): dynamics between the water column and sediment
Published in Environmental monitoring and assessment (01-02-2021)“…The presence of arsenic (As) in the sediment and the particulate and dissolved fractions of the water column determines its behavior and bioavailability. The…”
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Land-use changes in Amazon and Atlantic rainforests modify organic matter and black carbon compositions transported from land to the coastal ocean
Published in The Science of the total environment (20-06-2023)“…This study assessed black carbon (BC) dynamics, concentrations, and the organic matter (OM) isotopic carbon composition in northeastern South America drainage…”
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Long‐term trophic state responses of a large tropical coastal lagoon to land use changes and nutrient transport
Published in Ecohydrology (01-12-2021)“…The watershed of a large tropical coastal lagoon, historically hosting large sugarcane crops, which has been reduced during the last decades. It suggests that…”
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Exposure to toxic and essential trace elements through the intake of processed and meat cuts (beef and chicken) in southeastern Brazil
Published in Environmental monitoring and assessment (01-08-2019)“…The present study evaluated the concentration of six trace elements in processed meat products and in meat cuts. We also assessed the risk associated with the…”
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Comparative metal accumulation and toxicogenetic damage induction in three neotropical fish species with distinct foraging habits and feeding preferences
Published in Ecotoxicology and environmental safety (01-06-2020)“…Environmental pollutants affect fish species differently because their routes of exposure make them more critical to a specific group regarding foraging habits…”
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Arsenic in groundwater in Paraíba do Sul river, Brazil: sources, hydrogeochemistry, and correlation with redox parameters
Published in Environmental earth sciences (01-05-2020)“…This study assessed the presence of As in wells located near the lower Paraíba do Sul river, southeastern Brazil. Water samples were collected from 19 home…”
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Arsenic Pathways in the Environment: The Role of Contaminated Groundwater in the Dispersion of Arsenic to Soil, Vegetables and Chicken Meat
Published in International Journal of Environmental Research (01-12-2021)“…This study evaluated the dispersion of arsenic (As) in the environment due to the use of contaminated groundwater for the irrigation of vegetables and chicken…”
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DISTRIBUTION AND FRACTIONATION OF Hg IN SEDIMENTS FROM THE PARAÍBA DO SUL RIVER - RJ, BRAZIL
Published in Química nova (01-01-2015)Get full text
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Arsenic Exposure and Effects in Humans: A Mini-Review in Brazil
Published in Archives of environmental contamination and toxicology (01-04-2019)“…Arsenic (As) is widely studied in several countries due to its toxicity to biota in the environment. Arsenic sources may be natural or anthropogenic, and the…”
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DISTRIBUIÇÃO E FRACIONAMENTO DO Hg EM SEDIMENTOS DO RIO PARAÍBA DO SUL – RJ, BRASIL
Published in Química Nova (01-01-2015)“…Mercury distribution and fractionation were determined in sediments from the Paraíba do Sul River – RJ, Brazil. Total mercury concentration ranged from 1 to…”
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The Paraíba do Sul River Basin and its coastal area as a study model of the mercury cycle: A meta-analytical review of three decades of research
Published in Journal of hazardous materials (15-10-2023)“…The Paraíba do Sul River (PSR) Basin is a crucial drainage basin in Southeast Brazil, being the most industrialized and densely populated region in the…”
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