Results 21 to 30 of about 11,177 (206)

Estudo do comportamento hidrológico do Rio São Francisco e seus principais afluentes Study of the hydrological behavior of São Francisco River and its main tributaries

Revista Brasileira de Engenharia Agrícola e Ambiental, 2007
A Bacia do São Francisco possui 36 afluentes mais importantes, dos quais 19 são perenes, cujas áreas de drenagem, com exceção do Rio Verde Grande, se situam na região da bacia não abrangida pelo Polígono das Secas, representando 50% da área total da ...
Silvio B. Pereira, Fernando F. Pruski, Demetrius D. da Silva, Márcio M. Ramos   +3 more
doaj   +2 more sources

A poorly known case of watershed transposition between the São Francisco and upper Paraná river basins

Neotropical Ichthyology
During construction of the Furnas hydroelectric power dam in the upper rio Paraná basin in the early 1960s, the rio Piumhi drainage outflow was diverted into the headwaters of the São Francisco river basin.
Orlando Moreira Filho, Paulo Andreas Buckup   +1 more
doaj   +2 more sources

The ichthyofauna of the Rio Carinhanha basin, one of the main tributaries of the Rio São Francisco

Arquivos de Zoologia, 2020
The ichthyofauna of the Rio São Francisco basin is relatively well-documented. However, most of this knowledge is concentrated at the upper stretch of its catchment area.
Gilberto Nepomuceno Salvador, Ruanny Casarim, Gustavo Ribeiro Rosa, Yuri Malta Caldeira, Paulo Santos Pompeu   +4 more
doaj   +2 more sources

Helminth fauna parasitizing Pimelodus pohli (Actinopterygii: Pimelodidae) from the upper São Francisco River, Brazil

Revista Brasileira de Parasitologia Veterinária
The parasite fauna of catfish, Pimelodus pohli, from the São Francisco River Basin is presented. A total of 45 catfish from the upper São Francisco River (45°15′44″W 18°13′25″S), were examined from July 2009 to September 2011. Forty-three catfish (95.5%)
Claudia Silveira São Sabas, Marilia Carvalho Brasil-Sato   +1 more
doaj   +2 more sources

Seasonal study of concentration of heavy metals in waters from lower São Francisco River basin, Brazil

Brazilian Journal of Biology
In this study we determined the concentration of metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn) in the water lower São Francisco River basin, to evaluate the influence of urbanization and industrialization on environmental changes in the water resource.
A. M. Souza, A. M. Salviano, J. F. B. Melo, W. P. Felix, C. S. Belém, P. N. Ramos   +5 more
doaj   +2 more sources

Anthropic Changes in Land Use and Land Cover and Their Impacts on the Hydrological Variables of the São Francisco River Basin, Brazil

Sustainability, 2022
The growing impact of human activities on the environment has increased their influence on the planet’s natural cycles, especially in relation to the hydrological cycle of watersheds.
Carlos Eduardo Sousa Lima, Marx Vinicius Maciel da Silva, Sofia Midauar Godim Rocha, C. Silveira   +3 more
semanticscholar   +1 more source

Projection of Climate Change and Consumptive Demands Projections Impacts on Hydropower Generation in the São Francisco River Basin, Brazil

Water, 2021
Climate change impacts may influence hydropower generation, especially with the intensification of extreme events and growing demand. In this study, we analyzed future hydroelectric generation using a set of scenarios considering both climate change and ...
Marx Vinicius Maciel da Silva, C. Silveira, J. M. Costa, E. Martins, Francisco das Chagas Vasconcelos Júnior   +4 more
semanticscholar   +1 more source

Land use and land cover changes and carbon stock valuation in the São Francisco river basin, Brazil

, 2021
The Sao Francisco River Basin (SFRB) is one of the largest basins in Brazil and hosts several economic activities. However, it is under socioeconomic and environmental vulnerabilities.
M. M. Fernandes, M. R. D. M. Fernandes, Junior Ruiz Garcia, E. Matricardi, Alexandre Herculano de Souza Lima, Renisson Neponuceno de Araújo Filho, R. R. G. Filho, V. Piscoya, Thaísa Oliveira Folha Piscoya, M. C. Filho   +9 more
semanticscholar   +1 more source

Element contents in the lower São Francisco river assessed by inductively coupled plasma optical emission spectrometry (ICP OES) analysis.

Ambiente, 2021
The São Francisco river basin, also known as Velho Chico, exhibits an extension of over 640,000 km2 and runs 2,700 km from Minas Gerais to reach its mouth in the Atlantic Ocean, on the Alagoas and Sergipe states coast border.
Ana Lúcia Eufrázio Romão, Elma Neide Vasconcelos Martins Carrilho, Aristides Pavani Filho, Carlucio Roberto Alves   +3 more
doaj   +1 more source

Fish, Characiformes, Characidae, Astyanax turmalinensis Triques, Vono and Caiafa, 2003: distribution extension [PDF]

Check List, 2010
Astyanax turmalinensis was described from upper Jequitinhonha River basin and this note extends the species distribution to two adjacent drainages, the São Francisco and the Doce River basins, in the Parque Nacional da Serra do Cipó.
Mauro Triques, Frederico Queiroz
doaj   +3 more sources