Search Results - "Pereira, Wendel Valter da Silveira"

Geochemical Background for Potentially Toxic Elements in Forested Soils of the State of Pará, Brazilian Amazon by Deyvison Andrey Medrado Gonçalves, Wendel Valter da Silveira Pereira, Karen H. Johannesson, Daniel Vidal Pérez, Luiz Roberto Guimarães Guilherme, Antonio Rodrigues Fernandes

“…The objectives of this study were to establish geochemical background values of aluminum (Al), iron (Fe), arsenic (As), barium (Ba), cadmium (Cd), cobalt (Co),…”
Get full text

Effects of long-term phosphate fertilization on potential risks of emerging contaminants in agroecosystems of the eastern Amazon, Brazil by Braz, Anderson Martins de Souza, da Costa, Marcondes Lima, Ramos, Sílvio Junio, Pereira, Wendel Valter da Silveira, Rizzo, Rodnei, Fernandes, Antonio Rodrigues

“…This study aimed to assess the levels of rare earth elements and yttrium (REY) and vanadium (V) in soils cultivated with citrus, oil palm and black pepper in…”
Get full text

Environmental and human health risks of arsenic in gold mining areas in the eastern Amazon by Souza Neto, Hamilton Ferreira de, Pereira, Wendel Valter da Silveira, Dias, Yan Nunes, Souza, Edna Santos de, Teixeira, Renato Alves, Lima, Mauricio Willians de, Ramos, Silvio Junio, Amarante, Cristine Bastos do, Fernandes, Antonio Rodrigues

“…Knowledge of arsenic (As) levels in gold (Au) mining areas in the Amazon is critical for determining environmental risks and the health of the local…”
Get full text

Artisanal gold mining in the eastern Amazon: Environmental and human health risks of mercury from different mining methods by Teixeira, Renato Alves, Pereira, Wendel Valter da Silveira, Souza, Edna Santos de, Ramos, Silvio Junio, Dias, Yan Nunes, Lima, Mauricio Willians de, de Souza Neto, Hamilton Ferreira, Oliveira, Eder Silva de, Fernandes, Antonio Rodrigues

“…Artisanal gold (Au) mining is the activity with the highest consumption of mercury (Hg) and the main source of environmental contamination by this element,…”
Get full text

Phytoremediation potential of Khaya ivorensis and Cedrela fissilis in copper contaminated soil by Covre, Watilla Pereira, Pereira, Wendel Valter da Silveira, Gonçalves, Deyvison Andrey Medrado, Teixeira, Orivan Maria Marques, Amarante, Cristine Bastos do, Fernandes, Antonio Rodrigues

“…Mineral exploration of copper (Cu) in the Amazon has significantly impacted the environment, leading to contamination of large areas that require remediation…”
Get full text

Cowpea yield on soils with residues of NPK and natural phosphate fertilizers in succession the area of degraded pasture by Teixeira, Pedro Emerson Gazel, Fernandes, Antonio Rodrigues, Galvão, Jessivaldo Rodrigues, Pereira, Wendel Valter da Silveira, Casanova, Sandro Rogério Almeida, Filho, Pedro Paulo da Costa Alves

“…ABSTRACT The cultivation of cowpea [Vigna unguiculata (L) Walp] can be an important alternative in succession to maize in areas of degraded pastures due to the…”
Get full text

Chemical fractionation and bioaccessibility of potentially toxic elements in area of artisanal gold mining in the Amazon by Pereira, Wendel Valter da Silveira, Teixeira, Renato Alves, Souza, Edna Santos de, Moraes, Adriele Laena Ferreira de, Campos, Willison Eduardo Oliveira, Amarante, Cristine Bastos do, Martins, Gabriel Caixeta, Fernandes, Antonio Rodrigues

“…Artisanal mining may have modified the mobility, bioavailability and bioaccessibility of potentially toxic elements (PTEs) in the Serra Pelada gold mine,…”
Get full text

Bioaccumulation and human health risks of potentially toxic elements in fish species from the southeastern Carajás Mineral Province, Brazil by Lima, Mauricio Willians de, Pereira, Wendel Valter da Silveira, Souza, Edna Santos de, Teixeira, Renato Alves, Palheta, Dulcidéia da Conceição, Faial, Kelson do Carmo Freitas, Costa, Hain Figueiredo, Fernandes, Antonio Rodrigues

“…Anthropogenic activities may have increased the concentrations of potentially toxic elements (PTEs) in fish from the southeastern Carajás Mineral Province in…”
Get full text

Biochar mitigates bioavailability and environmental risks of arsenic in gold mining tailings from the eastern Amazon by Dias, Yan Nunes, Pereira, Wendel Valter da Silveira, Costa, Marcela Vieira da, Souza, Edna Santos de, Ramos, Silvio Junio, Amarante, Cristine Bastos do, Campos, Willison Eduardo Oliveira, Fernandes, Antonio Rodrigues

“…Artisanal gold mining has generated tailings highly contaminated by arsenic (As) in Cachoeira do Piriá, eastern Amazon, leading to severe risks to the…”
Get full text

Properties and environmental quality of the overburden and tailings of manganese mining in the Eastern Amazon by Nahum, Ana Beatriz Rodrigues, Pereira, Wendel Valter da Silveira, Martins, Gabriel Caixeta, Dias, Yan Nunes, Ribeiro, Paula Godinho, Salomão, Gabriel Negreiros, Gastauer, Markus, Caldeira, Cecílio Frois, Fernandes, Antonio Rodrigues, Souza, Edna Santos de, Dall'Agnol, Roberto, Ramos, Sílvio Junio

“…Knowledge about the characteristics of overburden and tailings from manganese (Mn) mining is essential for defining their levels of potentially toxic elements…”
Get full text

Artisanal mining of monazite and cassiterite in the Amazon: Potential risks of rare earth elements for the environment and human health by da Costa Alves Filho, Pedro Paulo, da Silveira Pereira, Wendel Valter, Dias, Yan Nunes, Ferreira de Moraes, Adriele Laena, Rodrigues, Flavio Henrique Santos, Ramos, Sílvio Junio, Santos de Souza, Edna, Fontes do Amaral, Anna Maria, Fernandes, Antonio Rodrigues

“…Artisanal mining is intensely carried out in developing countries, including Brazil and especially in the Amazon. This method of mineral exploration generally…”
Get full text

Combining approaches for environmental assessment of rehabilitated gold‐mining areas in the Eastern Amazon by Ramos, Silvio Junio, Oliveira, Schweyka Stanley Holanda, Ribeiro, Paula Godinho, Martins, Gabriel Caixeta, Silva Junior, Ediu Carlos, Gastauer, Markus, Caldeira, Cecílio Frois, Pereira, Wendel Valter da Silveira, Santos, Diogo Corrêa, Sarmento, Priscila Sanjuan de Medeiros, Nascimento Júnior, Wilson da Rocha, Souza‐Filho, Pedro Walfir Martins

“…Monitoring key soil and vegetation attributes in mining areas under environmental rehabilitation is essential to ensure that the intervention techniques are…”
Get full text

Açaí Seed Biochar-Based Phosphate Fertilizers for Improving Soil Fertility and Mitigating Arsenic-Related Impacts from Gold Mining Tailings: Synthesis, Characterization, and Lettuce Growth Assessment by Yan Nunes Dias, Wendel Valter da Silveira Pereira, Cecílio Frois Caldeira, Sílvio Junio Ramos, Edna Santos de Souza, Paula Godinho Ribeiro, Antonio Rodrigues Fernandes

“…Biochar represents a promising alternative for enhancing substrates and remediating contaminants in mining areas. Given that arsenic (As) and phosphorus (P)…”
Get full text

Index of geoaccumulation and spatial distribution of potentially toxic elements in the Serra Pelada gold mine by Teixeira, Renato Alves, de Souza, Edna Santos, de Lima, Mauricio Wilians, Dias, Yan Nunes, da Silveira Pereira, Wendel Valter, Fernandes, Antonio Rodrigues

“…Purpose The concentration and spatial distribution of many potentially toxic elements (PTEs) have not been studied in the mining areas of tropical soils in the…”
Get full text

Rare Earths as Emerging Trace Element Contaminants in the Soil by Ribeiro, Paula Godinho, de Oliveira, Cynthia, Guerra, Marcelo Braga Bueno, de Carvalho, Teotônio Soares, Martins, Gabriel Caixeta, Pereira, Wendel Valter da Silveira, Ramos, Silvio Junio, Guilherme, Luiz Roberto Guimarães

“…Purpose of Review This review examines recent publications on rare earth elements (REE) in soils, critically evaluating their role as emerging soil…”
Get full text

Productivity and nutrition of fertigated açaí palms according to boron fertilization by Lindolfo, Marcelo Morita, Matos, Gilson Sérgio Bastos de, Pereira, Wendel Valter da Silveira, Fernandes, Antonio Rodrigues

“…Abstract Due to the increasing national and international demand, the cultivation of açaí palm trees (Euterpe oleracea Mart.) has expanded to upland areas in…”
Get full text

Impact of copper mining wastes in the Amazon: Properties and risks to environment and human health by Covre, Watilla Pereira, Ramos, Silvio Junio, Pereira, Wendel Valter da Silveira, Souza, Edna Santos de, Martins, Gabriel Caixeta, Teixeira, Orivan Maria Marques, Amarante, Cristine Bastos do, Dias, Yan Nunes, Fernandes, Antonio Rodrigues

“…Improper disposal of copper mining wastes can threaten the ecosystem and human health due to the high levels of potentially toxic elements released into the…”
Get full text

Human and environmental exposure to rare earth elements in gold mining areas in the northeastern Amazon by Pereira, Wendel Valter da Silveira, Ramos, Sílvio Junio, Melo, Leônidas Carrijo Azevedo, Dias, Yan Nunes, Martins, Gabriel Caixeta, Ferreira, Luana Cristina Gonçalves, Fernandes, Antonio Rodrigues

“…Rudimentary methods are used to exploit gold (Au) in several artisanal mines in the Amazon, producing hazardous wastes that may pose risks of contamination by…”
Get full text

Levels and environmental risks of rare earth elements in a gold mining area in the Amazon by Pereira, Wendel Valter da Silveira, Ramos, Sílvio Junio, Melo, Leônidas Carrijo Azevedo, Braz, Anderson Martins de Souza, Dias, Yan Nunes, Almeida, Gabriela Vilhena de, Fernandes, Antonio Rodrigues

“…Artisanal gold (Au) mining may have increased the concentrations of rare earth elements (REEs) in the Serra Pelada mine (southeastern Amazon, Brazil), which…”
Get full text

Cowpea yield on soils with residues of NPK and natural phosphate fertilizers in succession the area of degraded pasture 1/Rendimento de feijão-caupi em solos com resíduos de NPK e fertilizantes fosfatados naturais em sucessão a área de pastagem degradada by Teixeira, Pedro Emerson Gazel, Fernandes, Antonio Rodrigues, Galvão, Jessivaldo Rodrigues, Pereira, Wendel Valter da Silveira, Casanova, Sandro Rogério Almeida, Filho, Pedro Paulo da Costa Alves

Get full text