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Thais Fujita, Marcos Vinicius Bueno de Morais, Vanessa Cristina Dos Santos, Anderson Paulo Rudke, Marilia Moreira de Eiras, Ana Carolina Freitas Xavier, Sameh Adib Abou Rafee, Eliane Barbosa Santos, Leila Droprinchinski Martins, Cintia Bertacchi Uvo, Rodrigo Augusto Ferreira de Souza, Edmilson Dias de Freitas and Jorge Alberto Martins
Within a single region, it is possible to identify opposite changes in flow production. This proved to be the case for several basins in southeastern South America. It remains challenging to the causes this behavior and whether changes in streamflow will...
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Valdemir Antoneli, Manuel Pulido-Fernández, João Anésio Bednarz, Leonardo Brandes, Michael Vrahnakis, Yannis Kazoglou, Javier Lozano-Parra and Ramón García-Marín
The catchment area of River das Antas (Irati, Paraná, Brazil) is of high importance both for human consumption and irrigation. Within Irati, this river passes through a rural area and through the city of Irati, crossing both poor and rich neighbourhoods....
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Dinorah Machado Vaz de Lima, Cristiane Ávila Santana, Luis Humberto da Cunha Andrade, Yzel Rondon Súarez, Sandro Marcio Lima (Author)
Pág. e48395
This study used the visible fluorescence signal of scales from Astyanax lacustris fishes to differentiate ten populations of streams in Ivinhema River Basin, Upper Paraná Basin, Brazil. Scales were removed from the humeral region of each fish and the flu...
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Nathan Felipe da Silva Caldana,Pablo Ricardo Nitsche,Alan Carlos Martelócio,Luiz Gustavo Batista Ferreira,Paulo Vicente Contador Zaccheo,Sergio Luiz Colucci de Carvalho,Jorge Alberto Martins
Fruticulture is a prominent segment of Brazilian agriculture. It presents a continuous evolution of production, attending to the growing internal and external demand, besides being one of the main activities of family agriculture. Despite of recent techn...
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Igor José Malfetoni Ferreira, José Hilário Delconte Ferreira, Paulo Agenor Alves Bueno, Luciane Maria Vieira, Raquel de Oliveira Bueno, Edivando Vitor do Couto (Author)
Pág. e36503
Forest fragmentation may negatively impact fauna and flora. An important tool for the development and implementation of research on these effects is the use of a geographic information system (GIS). This paper aims to perform an integrated analysis of th...
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Paulo Miguel de Bodas Terassi and Emerson Galvani
The objectives of this study are to use a clustering technique to identify homogeneous rainfall regions in the watersheds of the eastern region of the state of Paraná and to associate the spatial and temporal distribution of rainfall with the influences ...
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Alvaro Sordo-Ward, María Dolores Bejarano, Ana Iglesias, Víctor Asenjo and Luis Garrote
We identified and analysed droughts in the La Plata Basin (divided into seven sub-basins) for the current period (1961?2005) and estimated their expected evolution under future climate projections for the periods 2011?2040, 2041?2070, and 2071?2099. Futu...
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Massimo Guerrero, Nils Rüther, Ricardo Szupiany, Stefan Haun, Sandor Baranya, Francisco Latosinski
Pág. 1 - 22
The use of echo-levels from Acoustic Doppler Current Profiler (ADCP) recordings has become more and more common for estimating suspended bed-material and wash loads in rivers over the last decade. Empirical, semi-empirical and physical-based acoustic met...
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Andries J. Paarlberg, Massimo Guerrero, Fredrik Huthoff and Mariano Re
Worldwide, significant dredging activities of riverbed sediment are employed to ensure that freight transportation on rivers can continue year-round. Imbalances of sediment budget may produce relevant impacts regarding river morphology and related enviro...
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Karina Scurupa Machado, Fernanda Dittmar Cardoso, Julio Cesar Rodrigues Azevedo, Cristina Borba Braga
Pág. 421 - 427
Female sexual hormones have attracted the attention of the scientific community due to the effects that they cause by interfering in the endocrine system. Many contemporary studies have sought to monitor some of the main female sexual hormones in surface...
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