Search Results - "Ferreira, Paulo Alves de Lima"

Spatial distribution and enrichment assessment of heavy metals in surface sediments from Baixada Santista, Southeastern Brazil by Kim, Bianca Sung Mi, Salaroli, Alexandre Barbosa, Ferreira, Paulo Alves de Lima, Sartoretto, Juliê Rosemberg, Mahiques, Michel Michaelovich de, Figueira, Rubens Cesar Lopes

“…The Baixada Santista, besides being an important estuarine system, is responsible for most of the international trade and economic development in the region…”
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Paleolimnological evidence of environmental changes in seven subtropical reservoirs based on metals, nutrients, and sedimentation rates by Cardoso-Silva, Sheila, Oliveira Soares Silva Mizael, Juliana, Frascareli, Daniele, Alves de Lima Ferreira, Paulo, Henrique Rosa, André, Vicente, Eduardo, César Lopes Figueira, Rubens, L. M. Pompêo, Marcelo, Moschini-Carlos, Viviane

“…[Display omitted] •Historical changes in sedimentation rate and metal levels were investigated.•Increasing SR was related to eutrophication and land use and…”
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Assessing the degree of ecological change and baselines for reservoirs: challenges and implications for management by Wengrat, Simone, Bennion, Helen, Ferreira, Paulo Alves de Lima, Figueira, Rubens Cesar Lopes, Bicudo, Denise C.

“…Tropical reservoirs are sensitive to eutrophication but long-term impacts of impoundment on their productivity and biota are poorly understood. Here, we employ…”
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Factors that control the spatial and temporal distributions of phosphorus, nitrogen, and carbon in the sediments of a tropical reservoir by Cardoso-Silva, Sheila, Ferreira, Paulo Alves de Lima, Figueira, Rubens César Lopes, da Silva, Daniel Clemente Vieira Rêgo, Moschini-Carlos, Viviane, Pompêo, Marcelo L. M.

“…The impacts of anthropic activities have had profound effects on the nitrogen (N) and phosphorus (P) cycles in many aquatic ecosystems. We investigated the…”
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Grain-size end-members and environmentally sensitive grain-size components: A comparative study in the mud shelf depocenters off southern Brazil by de Mahiques, Michel Michaelovitch, y Goya, Samara Cazzoli, Matos, Maria Carolina da Silva Nogueira de, Oliveira, Rodrigo Augusto Udenal de, Kim, Bianca Sung Mi, Ferreira, Paulo Alves de Lima, Figueira, Rubens Cesar Lopes, Bícego, Marcia Caruso

“…The current study aims to do a comparative analysis of the results obtained with two End-Member (EM) grain-size modeling techniques (AnalySize and BasEMMA) and…”
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Bioaccumulation of potentially toxic trace elements in benthic organisms of Admiralty Bay (King George Island, Antarctica) by Majer, Alessandra Pereira, Petti, Mônica Angélica Varella, Corbisier, Thais Navajas, Ribeiro, Andreza Portella, Theophilo, Carolina Yume Sawamura, Ferreira, Paulo Alves de Lima, Figueira, Rubens Cesar Lopes

“…•Toxic metals were released in the 2012 fire in the Brazilian base at Admiralty Bay.•Potentially toxic metals were measured in eight Antarctic benthos…”
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Reconstruction of historical trends in potentially toxic elements from sediment cores collected in Bertioga channel, southeastern Brazil by Gonçalves, Cristina, Figueira, Rubens Cesar Lopes, Sartoretto, Juliê Rosemberg, Salaroli, Alexandre Barbosa, Ribeiro, Andreza Portella, Ferreira, Paulo Alves de Lima, Mahiques, Michel Michaelovitch de

“…The study presents an evaluation of potentially toxic elements deposition in Bertioga Channel (Southeastern Brazilian coast) along the last 150 years, the main…”
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136 Years of variation of sediment-associated metals in a subtropical reservoir in southern Brazil: Implications for the environmental change by Martinez, Angela Ethelis Jimenez, Galoski, Carlos Eduardo, Lopes Figueira, Rubens César, de Lima Ferreira, Paulo Alves, Froehner, Sandro

“…[Display omitted] •Geochemical data of the Passauna reservoir sediments record the historical anthropogenic activities.•The enrichment factor during the period…”
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Historical mercury contamination in a major Latin American industrial and port complex: The case of the Santos estuary, Southeastern Brazil by Angeli, José Lourenço Friedmann, Sartoretto, Juliê Rosemberg, Kim, Bianca Sung Mi, de Lima Ferreira, Paulo Alves, Benedetti, Beatriz, de Mahiques, Michel Michaelovitch, Figueira, Rubens Cesar Lopes

“…The present study determined total mercury (Hg) in four 210Pb dated sediment cores to assess the historical anthropogenic Hg accumulation in the Santos…”
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Past environmental changes: using sedimentary photosynthetic pigments to enhance subtropical reservoir management by Cardoso-Silva, Sheila, Mizael, Juliana Soares Silva, Frascareli, Daniele, de Lima Ferreira, Paulo Alves, Figueira, Rubens César Lopes, Pompêo, Marcelo, Vicente, Eduardo, Moschini-Carlos, Viviane

“…The historical impacts of eutrophication processes were investigated in six subtropical reservoirs (São Paulo, Brazil) using a paleolimnological approach. We…”
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Paleolimnological evidence of the Inverted Trophic Cascade Hypothesis in a Neotropical lake by Maroneze, Daniel Marchetti, Menendez, Rosa Maria, Ferreira, Daniela Rabello, Pujoni, Diego Guimarães Florencio, de Lima Ferreira, Paulo Alves, Figueira, Rubens Cesar Lopes, Maia-Barbosa, Paulina Maria

“…In a natural lake of southeastern Brazil (Lake Carioca), the current scarcity of limnetic cladocerans is attributed to the predatory activity of the dipteran…”
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Chronostratigraphy elucidates environmental changes in lacustrine sedimentation rates and metal accumulation by Biamont-Rojas, Ivan Edward, Cardoso-Silva, Sheila, Alves de Lima Ferreira, Paulo, Alfaro-Tapia, René, Figueira, Rubens, Pompêo, Marcelo

“…All changes taking place in a watershed have repercussions on lacustrine environments, being these, the sink of all activities occurring in the basin. Lake…”
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Geochemical behavior, environmental availability, and reconstruction of historical trends of Cu, Pb, and Zn in sediment cores of the Cananéia-Iguape coastal system, Southeastern Brazil by Tramonte, Keila Modesto, Figueira, Rubens Cesar Lopes, Majer, Alessandra Pereira, de Lima Ferreira, Paulo Alves, Batista, Miriam Fernanda, Ribeiro, Andreza Portella, de Mahiques, Michel Michaelovitch

“…The Cananéia-Iguape system is located in a coastal region of southeastern Brazil, recognized by UNESCO as an Atlantic Forest Biosphere Reserve. This system has…”
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Trace element fluxes during the “Anthropocene” in a large South American industrial and port area (Santos and São Vicente estuarine system, SE, Brazil) by Angeli, José Lourenço Friedmann, Sartoretto, Juliê Rosemberg, Kim, Bianca Sung Mi, de Lima Ferreira, Paulo Alves, de Mahiques, Michel Michaelovitch, Figueira, Rubens Cesar Lopes

“…The worldwide evidence of human activities on the environment led the scientific community to recognize a new geologic time unit known as the “Anthropocene.”…”
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Transfer of industrial contaminants from the inner to the outer region of Sepetiba Bay (SE Brazil) by dredge spoil dumping activities: a temporal record by Saibro, Murilo Barros, Martins, Maria Virgínia Alves, Guerra, Josefa Varela, Figueira, Rubens Cesar Lopes, de Castro Figueiredo Simões, Felipe, Dadalto, Tatiana Pinheiro, Trevizani, Tailisi Hoppe, de Lima Ferreira, Paulo Alves, Silva, Cleverson Guizan, dos Reis, António Tadeu, Terroso, Denise, da Silva, Layla Cristine, Bergamaschi, Sergio, Rocha, Fernando, Heilbron, Monica

“…A multiproxy approach involving grain size, geophysical (resistivity, magnetic susceptibility, and P-wave velocity), mineralogical (XRD), and geochemical…”
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Use of a chemometric tool to establish the regional background and assess trace metal enrichment at Baixada Santista – southeastern Brazil by Kim, Bianca Sung Mi, Angeli, José Lourenço Friedmann, Ferreira, Paulo Alves de Lima, Sartoretto, Juliê Rosemberg, Miyoshi, Carolina, de Mahiques, Michel Michaelovich, Figueira, Rubens Cesar Lopes

“…The trace metals in sediments consist of two components, anthropogenic and lithogenic or natural, which can cause misinterpretations for what actually exists…”
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Environmental changes reflected by sedimentary geochemistry for the last one hundred years of a tropical estuary by Angeli, José Lourenço Friedmann, Rubio, Belén, Kim, Bianca Sung Mi, Ferreira, Paulo Alves de Lima, Siegle, Eduardo, Figueira, Rubens César Lopes

“…Based on multiple proxies, such as major and trace elements, mineralogy, Corg/Ntotal ratio and δ13C, we assessed the natural and anthropogenic depositional…”
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Considerations on premises of recent (< 120 years) sedimentation rate models with unsupported 210Pb: a study case of sediment cores from mud shelf depocenters by Ferreira, Paulo Alves de Lima, Figueira, Rubens Cesar Lopes, de Mahiques, Michel Michaelovitch, Kim, Bianca Sung Mi, Bícego, Márcia Caruso

“…This study examines the impact of the constant sedimentation—CS premise on sedimentation rates, mass accumulation rates and age-depth results obtained from…”
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Forensic assessment of polycyclic aromatic hydrocarbons to reconstruct anthropogenic activities in a nearby urban reservoir by Jimenez Martinez, Angela Ethelis, Galoski, Carlos Eduardo, Cardoso Borillo, Guilherme, Moreton Godoi, Ricardo Henrique, Lopes Figueira, Rubens César, Alves de Lima Ferreira, Paulo, Froehner, Sandro

“…This work examined the presence of polycyclic aromatic hydrocarbons (PAHs) in two sediment cores from the Passauna reservoir, in southern Brazil. The sediment…”
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Sedimentation on the southern Brazilian shelf mud depocenters: Insights on potential source areas by de Mahiques, Michel Michaelovitch, Figueira, Rubens Cesar Lopes, Sousa, Silvia Helena de Mello, Santos, Rosangela Felicio dos, Ferreira, Paulo Alves de Lima, Kim, Bianca Sung Mi, Cazzoli y Goya, Samara, de Matos, Maria Carolina Silva Nogueira, Bícego, Marcia Caruso

“…In this paper, we investigate the characteristics of the shelf mud depocenters off South Brazil, between latitudes 27°30′S and 24°30′S. A combination of…”
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