[PDF] Top 20 old sediment in the Bay of Guanabara, Rio de Janeiro, Brazil

... analysis of a sediment sample obtained at 222 cm from the top of a drilling core collected in the Bay of Guanabara, Rio de Janeiro, was used as ... See full document

... is the second largest industrial region in Brazil and has over 12,000 industries operating along the Guanabara Bay drainage basin, and these account for 25% of the ... See full document

... Eutrophication of coastal waters, due to human activities, is a world-wide ...that the export of P to the oceans has increased threefold, and N had even a higher increase in the ... See full document

... investigate the deposition of pollen grains and spores in Guanabara Bay, Rio de Janeiro State, 61 surface sediment samples were ...analyzed. The results ... See full document

... occurring in the coastal areas of the state of Rio de Janeiro lack paly- nological ...ments of southeastern Brazil supplied, in the last years, ... See full document

... showing the concentrations of Zn, Cu, Ni, Pb and Cr in the urban street sediments around Guanabara Bay is presented in Figure 3 and these show higher concentrations when ... See full document

... abundance of juvenile fish of the family Engraulididae in the Sepetiba Bay, Rio de Janeiro, Brazil was assessed to detect patterns of use of ... See full document

... Guanabara Bay is an important Brazilian es- tuary located in the southeast coast of Brazil ...amounts of urban effluents during last decades. Human activities (in- ... See full document

... DISTRIBUTION OF IRON, COPPER AND LEAD IN MANGROVE SEDIMENTS IN A DEGRADATION GRADIENT IN GUANABARA BAY (RIO DE JANEIRO ...evaluated in sediment cores ... See full document

... state of Brazil, Rio de Janeiro, and has an area of 384 km 2 .... The bay is connected to the sea by an access ...occur in this area, a rainy (December to ... See full document

... Despite the magnitude of domestic and industrial pollution, fishery yield registered in several landing points at Guanabara Bay, between April 2001 and March 2002 was slightly over ... See full document

... into the macromolecular ...incubated in the dark for 30 min. Incubations were stopped by the addition of 90 µL of 100% ice-cold ...TCA. The tubes were again shaken on a ... See full document

... As espécies de peixe empregadas neste trabalho foram agrupadas de acordo com a dieta alimentar (peixes predadores vorazes, peixes predadores pouco vorazes e peixes não predadores), isto é, em grupos de espécies de peixe ... See full document

... with the geological context of the study area during the ...Quaternary. The seismic profiles presented in this study provide evidence that covers from the end of a ... See full document

... As cladocerans are transparent animals, the eye of those embryos are perceivable through the mother 's brood pouch wall, a fact which renders gravid females more visible.. R[r] ... See full document

... O objetivo desta pesquisa foi avaliar a dinâmica do metano (CH 4 ) no sedimento em diferentes áreas na região de transição entre a borda do manguezal e o mar, em função da composição do sedimento. A pesquisa foi ... See full document

... range of marine environments, from brackish estu- aries to deep ocean basins at all ...indicators of past environmental events (Ellison and Nichols 1976). One method of studying the effects ... See full document

... Etropus crossotus foi uma espécie constante e de maior dominância dentre as populações de Pleuronectiformes estudadas, estando presente em 69,8% dos arrastos e participando com m[r] ... See full document

... A sediment sample was obtained at 122 cm from the top of a drilling core in the Guapimirim mangrove, Bay of Guanabara, and analyzed using pollen ... See full document

... As variações espaciais de todos os fatores ambientais, incluindo a temperatura da água, são apresentados na figura 3, com as maiores médias da temperatura da água nos loc[r] ... See full document