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Copper release from waste rocks in an abandoned mine (NE, Brazil) and its impacts on ecosystem environmental quality
ArticleAbstract: This study aimed to estimate the impact of an abandoned copper (Cu) mine on ecosystem environmentalPalabras claves:Benthic organism, Biodiversity, Copper emission, Environment contamination, Mining wasteAutores:Asensio V., de Oliveira D.P., Ferreira T.O., Martins E.P., Perlatti F., Rezende C.F., Ruiz F., Xosé Luis Otero PérezFuentes:scopusAre acid volatile sulfides (AVS) important trace metals sinks in semi-arid mangroves?
ArticleAbstract: Acid-volatile sulfides (AVS) formation and its role on trace metals bioavailability were studied inPalabras claves:Bioavailability, Coastal wetlands, Iron, pyrite, sulfate reduction, Trace elementsAutores:Ferreira T.O., Nóbrega G.N., Queiroz H.M., Xosé Luis Otero PérezFuentes:scopusArsenic in rice agrosystems (water, soil and rice plants) in Guayas and Los Ríos provinces, Ecuador
ArticleAbstract: Geogenic arsenic (As) can accumulate and reach high concentrations in rice grains, thus representingPalabras claves:Amorphous Fe oxyhydroxides, Arsenic speciation, Plant tissuesAutores:Darwin Pillo-Guanoluisa, Ferreira T.O., Jenny Ruales, Nunes L.M., Oliva Atiaga, Oliva Lucía Atiaga Franco Ph.D, Wladimir Tierra, Xosé Luis Otero PérezFuentes:googlescopusFrom sinks to sources: The role of Fe oxyhydroxide transformations on phosphorus dynamics in estuarine soils
ArticleAbstract: The availability of phosphorus (P) in estuarine ecosystems is ultimately controlled by the nature ofPalabras claves:Crystallinity, eutrophication, Fe oxides, Pollution, Redox processes, SamarcoAutores:Antelo J., Barcellos D., Bernardino A.F., Ferreira T.O., Nóbrega G.N., Queiroz H.M., Xosé Luis Otero PérezFuentes:scopusGeochemical speciation and dynamic of cooper in tropical semi-arid soils exposed to metal-bearing mine wastes
ArticleAbstract: The potentially hazardous effects of rock wastes disposed at open pit in three different areas (Pr:Palabras claves:Acid drainage, Carbonates, Cu sequential extraction, MINING, SulphidesAutores:Ferreira T.O., Perlatti F., Vázquez F.M., Xosé Luis Otero PérezFuentes:scopusGeochemistry of iron and manganese in soils and sediments of a mangrove system, Island of Pai Matos (Cananeia - SP, Brazil)
ArticleAbstract: Five zones along a transect of 180 m were selected for study on the Island of Pai Matos (Sao Paulo,Palabras claves:geochemistry, Iron, manganese, Mangrove soils, Mangrove vegetation, nontronite, pyriteAutores:Ferreira T.O., Huerta-Diaz M.A., Partiti C.S.M., Souza-Junior V.S., Vázquez F.M., Vidal-Torrado P., Xosé Luis Otero PérezFuentes:scopusGlobal deposition of potentially toxic metals via faecal material in seabird colonies
ArticleAbstract: Seabirds are known to play an important role in the geochemical cycling of macronutrients; however,Palabras claves:Autores:De la Peña-Lastra S., Ferreira T.O., Huerta-Diaz M.A., Pérez‐alberti A., Xosé Luis Otero PérezFuentes:scopusGypsum amendment induced rapid pyritization in fe-rich mine tailings from doce river estuary after the fundão dam collapse
ArticleAbstract: Mine tailings containing trace metals arrived at the Doce River estuary, after the world’s largest mPalabras claves:Chemical immobilization, Lead sulfide, pyrite, Soil remediation, SulfidationAutores:Bernardino A.F., Ferreira A.D., Ferreira T.O., Kaneagae M.P., Nóbrega G.N., Queiroz H.M., Xosé Luis Otero PérezFuentes:scopusIron and sulfur geochemistry in semi-arid mangrove soils (Ceará, Brazil) in relation to seasonal changes and shrimp farming effluents
ArticleAbstract: Iron and sulfur are key elements in the biogeochemistry of estuarine soils, in which Fe and sulfatePalabras claves:Aquaculture, Environmental Impacts, Fe, mangrove ecosystem, S, seasonal variationAutores:Ferreira T.O., Marques A.G.B., Nóbrega G.N., Romero R.E., Xosé Luis Otero PérezFuentes:scopusIron hazard in an impacted estuary: Contrasting controls of plants and implications to phytoremediation
ArticleAbstract: Due to its abundance and role as a micronutrient for plants iron (Fe) is rarely perceived as a contaPalabras claves:biogeochemistry, H. tiliaceus, Mine tailings, Phytoextraction, T. domingensisAutores:Barcellos D., Bernardino A.F., Ferreira A.D., Ferreira T.O., Queiroz H.M., Xosé Luis Otero PérezFuentes:scopus