Search Results - "Bastos, Wanderley R"

Mercury in fish of the Madeira river (temporal and spatial assessment), Brazilian Amazon by Bastos, Wanderley R., Dórea, José G., Bernardi, José Vicente E., Lauthartte, Leidiane C., Mussy, Marilia H., Lacerda, Luiz D., Malm, Olaf

“…The Madeira River is the largest tributary of the Amazon River Basin and one of the most impacted by artisanal gold-mining activities, deforestation for…”
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Mercury and methylmercury in carapace of the marine turtle Caretta caretta, in northeastern Brazil and its potential for environmental monitoring by Rodriguez, César Augusto B, Bezerra, Moises F, Rezende, Carlos Eduardo DE, Bastos, Wanderley R, Lacerda, Luiz D DE

“…The present work tests the use of carapace fragments of the marine turtle Caretta caretta as a tool for environmental biomonitoring of mercury (Hg) and to…”
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The impacts of land use changes in the mercury flux in the Madeira River, Western Amazon by Lacerda, Luiz D, Bastos, Wanderley R, Almeida, Marcelo D

“…Changes in hydrochemistry and Hg distribution in the Madeira River from Porto Velho to the confluence with the Amazon River were studied in two cruises in 1997…”
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Total Hg and methylmercury dynamics in a river-floodplain system in the Western Amazon: Influence of seasonality, organic matter and physical and chemical parameters by Pestana, Inacio A., Almeida, Marcelo G., Bastos, Wanderley R., Souza, Cristina M.M.

“…Total mercury (Hg) and methylmercury (MeHg) circulation in a connected river-floodplain system composed of two black water (a small forest river, igarapé, and…”
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Methylmercury in environmental compartments of a hydroelectric reservoir in the Western Amazon, Brazil by Pestana, Inacio A., Bastos, Wanderley R., Almeida, Marcelo G., Mussy, Marilia H., Souza, Cristina MM

“…Damming rivers to generate electricity creates a lentic environment that favors methylmercury (MeHg) formation. Reservoirs in the Amazon are critical…”
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Total mercury and methylmercury in river dolphins (Cetacea: Iniidae: Inia spp.) in the Madeira River Basin, Western Amazon by Barbosa, Melissa S., Carvalho, Dario P., Gravena, Waleska, de Almeida, Ronaldo, Mussy, Marília H., Sousa, Eduardo A., Holanda, Igor B. B., de Sousa-Filho, Izidro F., Bastos, Wanderley R.

“…In the Amazon, mercury (Hg) contamination comes from ASGM operations along with soil remobilization processes associated with deforestation. The objective of…”
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Trophic dynamics of methylmercury and trace elements in a remote Amazonian Lake by Eduardo Azevedo-Silva, Claudio, Carolina Pizzochero, Ana, Galvão, Petrus M.A., Ometto, Jean P.H.B., de Camargo, Plínio B., Azeredo, Antonio, Coelho-Souza, Sergio A., Das, Krishna, Bastos, Wanderley R., Malm, Olaf, Dorneles, Paulo R.

“…Information on pollutant trophodynamics can be crucial for public health, as contaminated food consumption may lead to deleterious effects. This study was…”
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Mercury biomagnification and the trophic structure of the ichthyofauna from a remote lake in the Brazilian Amazon by Azevedo-Silva, Claudio Eduardo, Almeida, Ronaldo, Carvalho, Dario P., Ometto, Jean P.H.B., de Camargo, Plínio B., Dorneles, Paulo R., Azeredo, Antonio, Bastos, Wanderley R., Malm, Olaf, Torres, João P.M.

“…The present study assesses mercury biomagnification and the trophic structure of the ichthyofauna from the Puruzinho Lake, Brazilian Amazon. In addition to…”
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Reservoir Stratification Affects Methylmercury Levels in River Water, Plankton, and Fish Downstream from Balbina Hydroelectric Dam, Amazonas, Brazil by Kasper, Daniele, Forsberg, Bruce R, Amaral, João H. F, Leitão, Rafael P, Py-Daniel, Sarah S, Bastos, Wanderley R, Malm, Olaf

“…The river downstream from a dam can be more contaminated by mercury than the reservoir itself. However, it is not clear how far the contamination occurs…”
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Mercury in birds (aquatic and scavenger) from the Western Amazon by Dias dos Santos, Angela N., Recktenvald, Maria Cristina N.do N., de Carvalho, Dario P., Bortoleto Puerta, Emília L., de Sousa-Filho, Izidro F., Dórea, José G., Bastos, Wanderley R.

“…In the Amazon rainforest, methylmercury (MeHg) is easily biomagnified and bio-accumulated in the aquatic food chain. This unique biome has been studied for…”
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Mercury in the brain (tumor tissues) and in markers (hair and blood) of exposure in Western Amazonia patients by de Sousa Parreira, Johnathan, Cabral, Cássio da S., Crispim, Pedro di Tárique B., Ott, Ari Miguel T., Dórea, José G., Bastos, Wanderley R.

“…Central nervous system tumors (CNSTs) represent the second most frequent form of malignant tumors in childhood and the second leading cause of death associated…”
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Dynamics of Hg and MeHg in the Madeira River basin (Western Amazon) before and after impoundment of a run-of-river hydroelectric dam by Bastos, Wanderley R., Dórea, José G., Lacerda, Luiz D., Almeida, Ronaldo, Costa-Junior, Walkimar Aleixo, Baía, Célia C., Sousa-Filho, Izidro F., Sousa, Eduardo A., Oliveira, Iuri Aparecida S., Cabral, Cássio S., Manzatto, Angelo G., Carvalho, Dario P., Ribeiro, Kaio Augusto N., Malm, Olaf

“…The impact of a hydroelectric run-of-river (RoR) dam construction on the dynamics of total mercury (THg) and methylmercury (MeHg) is of interest to the…”
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Methylmercury Modulation in Amazon Rivers Linked to Basin Characteristics and Seasonal Flood-Pulse by Kasper, Daniele, Forsberg, Bruce R, Amaral, João H. F, Py-Daniel, Sarah S, Bastos, Wanderley R, Malm, Olaf

“…We investigated the impact of the seasonal inundation of wetlands on methylmercury (MeHg) concentration dynamics in the Amazon river system. We sampled 38…”
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Mercury in blood, hair, and feces from subsistence fish-eating riverines of the Madeira River Basin (Western Amazon) by Mendes, Vanessa A., de Carvalho, Dario P., de Almeida, Ronaldo, do N. Recktenvald, Maria Cristina N., Pedrosa, Olakson P., de Sousa-Filho, Izidro F., Dórea, José G., Bastos, Wanderley R.

“…•Total Hg and MeHg in blood, hair, and feces were studied in subsistence Amazon communities.•Mean fish consumption rate is 146.6 g.day−1 (men, women, and…”
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The influence of inundation and lake morphometry on the dynamics of mercury in the water and plankton in an Amazon floodplain lake by Brito, Brendson C., Forsberg, Bruce R., Kasper, Daniele, Amaral, João H. F., de Vasconcelos, Moema R. R., de Sousa, Otávio P., Cunha, Fábio A. G., Bastos, Wanderley R.

“…Seasonal flooding changes chemical and morphometric characteristics of the tropical floodplain lakes, affecting stratification which can influence mercury…”
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Sex-related mercury bioaccumulation in fish from the Madeira River, Amazon by Bastos, Wanderley R., Dórea, José G., Bernardi, José Vicente E., Manzatto, Angelo G., Mussy, Marilia H., Lauthartte, Leidiane C., Lacerda, Luiz D., Malm, Olaf

“…Sex plays an important role in the kinetics and dynamics of methylmercury in some animals. Although fish is the main source of mercury exposure to consumers,…”
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Heterogeneity of Multimedia Exposures to Neurotoxic Elements (Al, As, Cd, Pb, Mn, and Hg) in Breastfed Infants from Porto Velho, Brazil by Bastos, Wanderley R., Vieira, Solange M., Manzatto, Ângelo G., Dórea, José G., Rubira, Marcelo C., de Souza, Victor Francisco P., da Costa Junior, Walkimar A., Souza Bastos, Maria T.

“…Infant exposure to neurotoxic elements is a public health issue that needs monitoring with regard to breast milk composition. We studied six neurotoxic…”
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Total and methyl-mercury in hair and milk of mothers living in the city of Porto Velho and in villages along the Rio Madeira, Amazon, Brazil by Vieira, Solange M., de Almeida, Ronaldo, Holanda, Igor B.B., Mussy, Marília H., Galvão, Roberta C.F., Crispim, Pedro T.B., Dórea, José G., Bastos, Wanderley R.

“…High fish consumption and extended breastfeeding are hallmarks of traditional lifestyle in Western Amazonia. We studied sources of mercury exposure,…”
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Mercury in muscle and brain of catfish from the Madeira river, Amazon, Brazil by Bastos, Wanderley R., Dórea, José G., Bernardi, José Vicente E, Lauthartte, Leidiane C., Mussy, Marilia H., Hauser, Marília, Dória, Carolina Rodrigues da C., Malm, Olaf

“…The central nervous system is a critical target for Hg toxicity in all living organisms. Total Hg (THg) was determined in brain and muscle samples of 165…”
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Mercury in breast milk from women in the Federal District, Brazil and dietary risk assessment for breastfed infants by Rebelo, Fernanda M., Cunha, Leandro R. da, Andrade, Patrícia D., Costa Junior, Walkimar A. da, Bastos, Wanderley R., Caldas, Eloisa D.

“…Mercury is a toxic metal, ubiquitous in nature; it is excreted in breast milk from exposed mothers and may affect infant neuro-development. In this study, 224…”
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