Browsing IMar - Artigos by Submit Date
Now showing items 1-20 of 219
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Utilização de Sistema de Informação Geográfica como ferramenta para gestão do monitoramento da qualidade do ar na Região Metropolitana do Rio de Janeiro
(Associação Brasileira de Engenharia Sanitária e Ambiental - ABES, 2014-01-01)The concern with the air quality management in the city of Rio de Janeiro has increased in recent last years due to the great events that this city will receive in the near future. The use of a Geographic Information System ...
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Considerations about the recommendations of the Commission on the Limits of the Continental Shelf on the Amazon fan
(Instituto Brasileiro de Relações Internacionais, 2014-01-01)In 2004, Brazil submitted to the Commission on the Limits of the Continental Shelf (CLCS) a Submission for the outer limit of the Brazilian continental shelf for its extension beyond the limits of 200 nautical miles. In ...
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Confiabilidade nas estimativas do regime do vento fornecidas pelo brams no estado de Alagoas: influência do aninhamento e da resolução horizontal de grades
(Sociedade Brasileira de Meteorologia, 2014-06-01)Observational data obtained at two wind towers located at the Alagoas State (Northeast of Brazil -NEB) were used to evaluate the influence of horizontal grid setup on the reliability of wind estimates provided by the ...
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Ser-estar no sertão: capítulos da vida como filosofia visceral
(UNESP, 2014-09-01)An ethnographic study conducted in the wilderness of Ceará, Brasil, the concept of bodily mimesis in theater production and a documentary film on bandit hunters in the caatinga were the starting points in this text, for a ...
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Safflower oil: an integrated assessment of phytochemistry, antiulcerogenic activity, and rodent and environmental toxicity
(Sociedade Brasileira de Farmacognosia, 2014-10-01)Gastric ulcers are a significant medical problem and the development of complications lead to significant mortality rates worldwide. In Brazil, Carthamus tinctorius L., Asteraceae, seeds essential oil, the safflower oil, ...
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Bony fishes (Teleostei) caught by small-scale fisheries off central to south coast of São Paulo State, Southeastern Brazil
(Instituto Virtual da Biodiversidade | BIOTA - FAPESP, 2014-12-01)Small-scale fisheries have a great socioeconomic importance in Brazil. Different regional characteristics along the coast, mostly related to landing sites, equipment used, and targeted species, renders its assessment and ...
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Short-term movements and habitat preferences of sailfish, Istiophorus platypterus (Istiophoridae), along the southeast coast of Brazil
(Sociedade Brasileira de Ictiologia, 2014-12-01)Pop-up satellite archival tags (PSATs) were deployed on four sailfish, Istiophorus platypterus, in the coastal waters of Rio de Janeiro State in southeast Brazil during January and February of 2009 (sailfish I and II) and ...
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Molecular and cytogenetic analyses of cryptic species within the Synbranchus marmoratus Bloch, 1795 (Synbranchiformes: Synbranchidae) grouping: species delimitations, karyotypic evolution and intraspecific diversification
(Sociedade Brasileira de Ictiologia, 2014-12-01)The fish species Synbranchus marmoratus has been reported to exist as a species complex due to high intraspecific karyotypic variability in spite of the difficulty or impossibility to distinguish them using morphological ...
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Effects of Dietary Copper on Life-History Traits of a Tropical Freshwater Cladoceran
(Springer, 2012-05-01)Life-history parameters of Ceriodaphnia cornuta (Cladocera: Daphniidae) fed on Pseudokirchneriella subcapitata (Chlorophyceae) exposed to different copper concentrations were investigated. C. cornuta individuals were reared ...
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Abundance of biofilm on intertidal rocky shores: Can trampling by humans be a negative influence?
(Elsevier B.V., 2012-08-01)Trampling by human visitors to rocky shores is a known stressor on macroorganisms. However, the effects of trampling on rocky intertidal biofilm, a complex association of microorganisms of ecological importance in coastal ...
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Biological effects of environmentally relevant concentrations of the pharmaceutical Triclosan in the marine mussel Perna perna (Linnaeus, 1758)
(Elsevier B.V., 2012-09-01)Triclosan (5-Chloro-2-(2,4-dichlorophenoxy) phenol) is an antibacterial compound widely employed in pharmaceuticals and personal care products. Although this emerging compound has been detected in aquatic environments, ...
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The application of biochemical responses to assess environmental quality of tropical estuaries: field surveys
(Royal Soc Chemistry, 2012-10-01)A battery of biomarkers of exposure (EROD, DBF, GST and GPx) and effect (lipid peroxidation and DNA damage - strand breaks) were analyzed in gill tissues from caged and native oysters Crassostrea rhizophorae exposed to two ...
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Organochlorines and metals induce changes in the mitochondria-rich cells of fish gills: An integrative field study involving chemical, biochemical and morphological analyses
(Elsevier B.V., 2013-01-15)Through integrating chemical, biochemical and morphological analyses, this study investigated the effects of multiple pollutants on the gill mitochondria-rich cells (MRCs) in two fish species, Astyanax fasciatus and Pimelodus ...
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Food selection by a mangrove crab: temporal changes in fasted animals
(Springer, 2013-02-01)The feeding choices of the mangrove crab Ucides cordatus for various mangrove plant leaves (Avicennia schaueriana, Laguncularia racemosa, and Rhizophora mangle) at different ages (mature, senescent pre-abscission, and ...
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Integrated quality assessment of sediments from harbour areas in Santos-Sao Vicente Estuarine System, Southern Brazil
(Elsevier B.V., 2013-09-20)Santos-Sao Vicente Estuarine System is a highly populated coastal zone in Brazil and where it is located the major port of Latin America. Historically, port activities, industrial and domestic effluents discharges have ...
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Using a Caesalpinia echinata Lam. protease inhibitor as a tool for studying the roles of neutrophil elastase, cathepsin G and proteinase 3 in pulmonary edema
(Elsevier B.V., 2013-12-01)Acute lung injury (ALI) is characterized by neutrophil infiltration and the release of proteases, mainly elastase (NE), cathepsin G (Cat G) and proteinase 3 (PR3), which can be controlled by specific endogenous inhibitors. ...
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Photoluminescence and Magnetism in Mn2+-Doped ZnO Nanostructures Grown Rapidly by the Microwave Hydrothermal Method
(Amer Chemical Soc, 2013-12-12)Zn1-xMnxO nanostructures were synthesized via the microwave-assisted hydrothermal method, which rapidly produces particles of controlled size and morphology. Samples were analyzed considering the effects of manganese ion ...
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Using Urban Streams as Drinking Water: the Potential Risk in Respect to Polycyclic Aromatic Hydrocarbons (PAHs) Content in Sediments
(Taylor & Francis Ltd, 2014-01-01)Several polycyclic aromatic hydrocarbons are considered carcinogenic and mutagenic. 16 of these compounds are listed as priority control pollutants by the USEPA. the present study aimed at the evaluation of the presence ...
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Thermoluminescence features of MgB4O7:Tb phosphor
(Elsevier B.V., 2014-02-01)In the present work, polycrystalline samples of MgB4O7 doped with terbium at different concentrations were synthesized using the solvent evaporation method. the sample doped with 1 mol% of Tb presented the highest luminescence ...
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Cylindrospermopsis raciborskii (Cyanobacteria) exudates: Chemical characterization and complexation capacity for Cu, Zn, Cd and Pb
(Elsevier B.V., 2014-02-01)Cylindrospermopsis raciborskii is a cosmopolitan and potentially toxic planktonic Cyanobacteria that produces and exudes copious amounts of dissolved organic materials. This organism dominates the eutrophic reservoir Barra ...
