Browsing by Subject "Organic matter"
Now showing items 1-8 of 8
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BIOGEOQUÍMICA DA MATÉRIA ORGÂNICA NOS SEDIMENTOS DOS ESTUÁRIOS DO RIO DAS OSTRAS E RIO SÃO JOÃO/RJ
| Posted on: 12 mai. 2011The change of land use through urbanization and the replacement of natural vegetation (C3 plants) for pasture (C4 plants), promotes modifications in the composition of organic matter, affecting its quality, which is ... -
Biogeoquímica da Várzea do Lago Grande de Curuai, Rio Amazonas, Pará, Brasil: caracterização, origem, ciclagem e destino do material orgânico e inorgânico
| Posted on: 30 jun. 2008The aim of this work was to study the biogeochemistry of a floodplain system in the Amazon lowland. The Lago Grande of Curuai floodplain is located on the right bank of the river near to Óbidos city, in the Pará state to ... -
Caracterização biogeoquímica da Lagoa de Araruama, RJ
| Posted on: 26 fev. 2007The Araruama lagoon is the most hipersaline coastal lagoon of the Rio de Janeiro State and has been experienced for the last decades an intense domestic sewage load due to high tourism pressure. Since 2005 July, its clean ... -
Composição e acumulação da matéria orgânica (C, N, Ligninas) nos sedimentos do sistema lagunar Mundaú-Manguaba, AL-Brasil.
| Posted on: 11 mar. 2010The Mundaú-Manguaba Estuarine-Lagoon System (MMELS), located in northeastern Brazil, has been undergoing a continuous process of environmental degradation, mainly related to the input of effluents from the sugar-cane ... -
FLUXO DE CO2 PROVENIENTE DA RESPIRAÇÃO DO SOLO SOB PASTAGENS E FRAGMENTOS DE FLORESTA ATLÂNTICA EM REGENERAÇÃO (RJ)
| Posted on: 27 ago. 2010The soil, structural and integral part of the terrestrial ecosystem, contains approximate more carbon (C) than the atmosphere. Important mediator of the C cycle, the soil acting like a temporary reservoir of carbon and ... -
Impacto e degradação microbiana de efluentes da indústria sucro - Alcooleira no baixo Rio Paraíba do Sul, RJ
| Posted on: 15 abr. 2008The pollution in rivers caused by sugar cane agriculture and industry is a result of runoff and point source discharge of sugar cane effluents, mainly vinasse with high organic content, oxygen biological demand and suspended ... -
Sedimentação orgânica recente da lagoa do Caçó- Maranhão (MA)
| Posted on: 12 jun. 2001Elemental, isotopic compositions and palynofacies observations of organic matter in surficial sediments from a transect across Lagoa do Caçó (MA Brazil) have been analyzed to investigate the processes that participate ... -
Uso de aminoácidos como indicadores de deposição e fonte da matéria orgânica em manguezal
| Posted on: 01 jan. 2008This work was realized in Bragança's peninsula, in the North of Brazil, where a transect with 14 points, containing different vegetation types and flood regimes, was chosen for the collection of cores. In these cores were ...