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Evasion of CO2 and dissolved carbon in river waters of three small catchments in an area occupied by small family farms in the eastern Amazon. Abstract: CO2 effluxes from streams and rivers has been hypothesized to be a critical pathway of carbon flow from the biosphere back to the atmosphere. This study was conducted in three Amazonian smal... ... Repository: BDPA Publication year: 2017
Hydrobiogeochemical fluxes and its relation to land use changes at small catchments in the Marapanim River Basin, Pará state, Brazil. Abstract; The macro region "Nordeste Paraense" in Pará state is the oldest agricultural settlement area in the Eastern Brazilian Amazon and has been the location of widespread slash-and-burn agricultu... ... Repository: BDPA Publication year: 2014
Monitoring two small catchments to evaluate effects of no-tillage agricultural management in São Paulo state, Brazil. In recent years, declines in water and soil quality have been observed in areas of Brazil where no-till agriculture had been previously implemented. Poor soil management associated with the absence of... ... Repository: BDPA Publication year: 2015
Hydrological effects of spatial harvest patterns in a small catchment Covered by fast-growing plantations in the neotropics. ABSTRACT: Eucalyptus forests are expanding worldwide and concerns exist about their impact on water resources. There is a lack of information about the hydrological effects of spatial harvest patterns... ... Repository: BDPA Publication year: 2023
Dissolved CO2 in small catchment streams of Eastern Amazonia. Repository: BDPA Publication year: 2008
Carbon dynamics along small streams in agriculture catchments in Eastern Amazonia. Repository: BDPA Publication year: 2006
Water risk contamination trends by yellow-passion fruit pesticides in a small catchment in the eastern Amazon. Repository: BDPA Publication year: 2009
Stream water quality monitoring as a tool to evaluate a payment for environmental service in Extrema (Minas Gerais), Brazil. Posses and Salto de Cima small catchments (1,200 ha and 1,500 ha, respectively) are situated in the municipality of Extrema (MG), southeast Brazil. Their stream outlets enter into the Jaguari River, a... ... Repository: BDPA Publication year: 2018
Responses of water resources to land and soil management in a tropical small watershed under a Payment for Environmental Services public policy. The 12-km2 Ribeirão das Posses Watershed (RPW), which is dominated by Ultisols and Inceptisols, is located in the south of Minas Gerais, Brazil. RPW discharges into the Jaguarí River, one of the most... ... Repository: BDPA Publication year: 2018
Grupo de Interesse de Pesquisa em Agricultura Familiar e Meio Ambiente - GIPAF: um recurso útil para o debate nacional via Internet. O presente trabalho apresenta uma proposta de renovação de um serviço de apoio à pesquisa agropecuária, via internet, intitulado ?Grupo de interesse de pesquisa em agricultura familiar e meio ambiente... ... Repository: BDPA Publication year: 2005

Showing 1 - 10 of 285 results.

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