Showing 281 - 300 results of 356 for search '"São Francisco River"', query time: 0.69s Refine Results
  1. 281

    Arqueologia nas missões religiosas do nordeste do Brasil by Gabriela Martin

    Published 2011-05-01
    “…In the case of the São Francisco River Valley, missions were located on the river's islands whose fertile soils contrasted with the aridity of the rest of the region. …”
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  2. 282

    Impact of a large dam on reproduction of a non-migratory teleost species, Acestrorhynchus lacustris (Characiformes: Acestrorhynchidae) by R. Z. Gomes, A. L. Paschoalini, A. A. Weber, K. B. Santiago, E. Rizzo, N. Bazzoli

    Published 2021-06-01
    “…In this sense, the reproduction of Acestrohynchus lacustris was evaluated in two sections of São Francisco River, Minas Gerais, Brazil. Section 1, located immediately downstream from Três Marias Dam (18°09’31.65”S and 45°13’36.00”W) and section 2, located at the confluence of the São Francisco and the Abaeté Rivers (18°02’47.78”S and 45°10’57.95”W). …”
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  3. 283

    Quality and antioxidant potential of ‘BRS Magna’ grapes harvested in the first half of the year under different training systems and rootstocks in a tropical region by Talita de Oliveira Ferreira, Rayssa Ribeiro da Costa, Débora Tamara Félix, Eugenio Ribeiro de Andrade Neto, Maísa de Macedo Cruz, Maria Auxiliadora Coêlho de Lima

    “…The aim of this study was to characterize the quality and antioxidant activity of ‘BRS Magna’ grapes in irrigated crops of the Submedium São Francisco River Valley under the influence of training systems and rootstocks, in production cycles of the first half of the year. …”
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  4. 284

    Socio-economic aspects of irrigation agriculture as livelihood for rural families in Brazil’s semi-arid northeast by Heinrich Hagel, Christa Hoffmann, José Ferreira Irmão, Reiner Doluschitz

    Published 2019-12-01
    “…Along the lower-middle São Francisco River, in the semi-arid region of Northeast Brazil, irrigated agriculture contributes to reduce rural poverty. …”
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  5. 285

    PV to reduce evaporative losses in the channels of the São Francisco’s River water transposition project by Uri Stiubiener, Adriano Gomes de Freitas, Janne Heilala, Igor Fuser

    Published 2024-03-01
    “…Abstract Open water transposition channels in hot and arid regions, like those in the São Francisco River Integration Project (PISF) in Brazil, suffer significant water losses through evaporation. …”
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  6. 286

    RELATIONSHIP BETWEEN METAL WATER CONCENTRATION AND ANTHROPOGENIC PRESSURES IN A TROPICAL WATERSHED, BRAZIL by Adolf Heinrich Horn, Isabela Claret Torres, Elizene Velloso Ribeiro, Antônio Perreira Magalhães Junior

    Published 2017-04-01
    “…The main objective was to address the relationship between metal concentration and anthropogenic pressures in São Francisco River. A Principal Component Analysis was used to determine a relationship between human activities and water metal concentration and to verify if there was a seasonal trend. …”
    Article
  7. 287

    Analysis of the Vegetation Density of the Rio Pajeú Watershed Using TM - LANDSAT 5 Data by Jefferson Aparecido Arestides de Melo, Heliofabio Barros Gomes, Laurizio Emanuel Ribeiro Alves, Jadson Arestides de Melo, Ianne Lopes de Araujo

    Published 2017-07-01
    “…The objective of the present work is to analyze the density of vegetation cover of the Rio Pajeú watershed, situated in the mesoregion of the interior region of the State of Pernambuco and the section of the São Francisco River within the State of Pernambuco using TM - Landsat 5 images and the SEBAL algorithm. …”
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  8. 288
  9. 289

    Cytogenetic and molecular analyses in troglobitic and epigean species of Pimelodella (Siluriformes: Heptapteridae) from Brazil by Bianca Dazzani, Caroline Garcia, Marilena Peixoto, Eleonora Trajano, Lurdes Foresti de Almeida-Toledo

    Published 2012-09-01
    “…Samples from seven different locations of the genus Pimelodella were genetically examined, two caves (exclusively subterranean, upper Tocantins River and São Francisco River) and five epigean (from upper Paraná River basin). …”
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  10. 290

    Uncertainty estimation in hydrodynamic modeling using Bayesian techniques by Viviane Borda Pinheiro, Mauro Naghettini, Luiz Rafael Palmier

    Published 2019-10-01
    “…The study reported in this paper sought to apply a Bayesian-based methodology, associated with thousands of Markov Chain Monte Carlo simulations, in order to identify and quantify the uncertainty related to the Manning’s n roughness coefficient in a 1D hydrodynamic model and the total uncertainty involved in the prediction of hydrographs and water surface elevation profiles resulting from flood routing through a reach located in the upper São Francisco river, between the Abaeté river outlet and the town of Pirapora. …”
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  11. 291

    Population parameters of the endangered titi monkey, Callicebus coimbrai Kobayashi and Langguth, 1999, in the fragmented landscape of southern Sergipe, Brazil by RRD. Chagas, SF. Ferrari

    “…The recently-discovered titi, Callicebus coimbrai, is endemic to the coastal Brazilian Atlantic Forest south of the São Francisco River, a region with a long tradition of deforestation. …”
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  12. 292

    Challenges of a young ribeirinha - a river where you are born, grow and live: I was born here, growed here, my life was all here/Desafios de uma jovem ribeirinha - um rio onde se n... by Humberto Ferreira da Silva, Jairton Peterson Rodrigues dos Santos

    Published 2020-04-01
    “…A community that lives in the region surrounding the São Francisco River. Through oral history we analyze the life trajectory and future expectations in a relationship of social geopolitical interdependence with its territory. …”
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  13. 293

    Relationships of stable isotopes, water-rock interaction and salinization in fractured aquifers, Petrolina region, Pernambuco State, Brazil by Priscila Sousa Silva, José Eloi Guimarães Campos, Luciano Soares Cunha, Luís Henrique Mancini

    “…Stable isotope analyses of H and O were developed in groundwater samples (with different electrical conductivity) and surface water collected in a bypass channel flowing from the São Francisco River. The results were plotted in a dD ‰ versus δ18O ‰ graph along with the curves of the global and local meteoric water line. …”
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  14. 294

    CARRYING CAPACITY LIMITS OF NET CAGE AQUACULTURE IN BRAZILIAN RESERVOIRS by Günter Gunkel, Elena Matta, Florian Selge, Gérsica Morais Nogueira da Silva, Maria do Carmo Sobral

    Published 2015-06-01
    “…There is a large and increasing potential for production in the São Francisco river basin, and particularly the Itaparica reservoir. …”
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  15. 295

    Geographic Concentration of Companies and Relationship Resources at the Horizontal Level by Vinicius Farias Moreira, Walter Fernando Araújo de Moraes, Jose Luis Hervas-Oliver, Samuely Bezerra Barbosa Laurentino

    Published 2019-10-01
    “…Purpose – This paper analyzes how horizontal relationship resources collaborated in the value creation process of fruit producing and exporting companies geographically concentrated in the São Francisco River Valley (SFRV), Brazil. Design/methodology/approach – It is a qualitative case study, in which the units of analysis were the medium and large producing and exporting companies and the fruit cluster of the SFRV, understanding that both co-evolve. …”
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  16. 296

    Modernização agrícola autoritária e desestruturação do ecossistema: o caso do Baixo São Francisco by Henrique O. Monteiro de Barros

    Published 2001-01-01
    “…. ****************************************** This paper examines the government projects for the modernization of agriculture introduced in the northeast of Brazil during the seventies, taking as its reference point the case of the irrigation program carried out by CODEVASF in the flood plains of the lower Sao Francisco river valley (Alagoas/Sergipe). The systems of rice cultivation prevailing in the area prior to the execution of the projects axe described, emphasis being laid on the negative effects of the projects on the level of employment in the area. …”
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  17. 297

    Evaluation of the reproductive parameters of female neotropical migratory fish from a lotic and lentic environment of a dammed river by Luiza Mariz Amador de Souza, Gabriela Gonçalves Theobaldo, Elizete Rizzo, José Enemir dos Santos, Nilo Bazzoli, Alessandro Loureiro Paschoalini

    Published 2021-08-01
    “…Therefore, the present study aims to comparatively analyze the reproductive potential of female Megaleporinus reinhardti, a migratory species, sampled in the lentic environment of the Três Marias Reservoir and the lotic environment of the São Francisco River. Biometric data were obtained from 79 females and the biological indices were subsequently calculated. …”
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  18. 298

    Cobrança pelo uso da água no Brasil: uma revisão metodológica by Nícolas Reinaldo Finkler, Ludmilson Abritta Mendes, Taison Anderson Bortolin, Vania Elisabete Schneider

    Published 2015-04-01
    “…In Brazil, this tool is currently used in the following watersheds: Paraíba do Sul, Piracicaba, Capivari and Judiaí Rivers, São Francisco River and Rio Doce. Also in the state of Ceará, a pioneer in the country, a price is paid for water use, but in a conceptually different way. …”
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  19. 299

    Highlight on Water Resources in the Five Brazilian Regions by Ana Lúcia de Oliveira Borges, Tais Karinna de Oliveira Borges, Flávia Cartaxo Ramalho Vilar

    Published 2022-12-01
    “…In turn, the Midwest region is supplied by the Tocantins-Araguaia, Paraná, Amazon, Paraguay and São Francisco rivers, but is subject to the problem of deforestation of riverside areas and lack of proper sanitation. …”
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  20. 300

    ALÉM DO RIO SÃO FRANCISCO: Análise Tecnológica das Indústrias Líticas do Sítio Praça de Piragiba, Brasil by Jacques Pelegrin, Juliana de Resende Machado

    Published 2017-07-01
    “…Assim, um sítio considerado uniocupacional, conexo à tradição cerâmica Aratu, teria parte de sua coleção lítica relacionada a outros períodos mais antigos. BEYOND SÃO FRANCISCO RIVER: Technological Analysis of Lithic Industry from Praça de Piragiba Site, Brazil ABSTRACT We demonstrate the potential of technological analysis that along with taphonomic observations and knowledge of the regional archeology, allows for the evaluation of a lithic collection’s homogeneity of Praça de Piragiba site (Bahia). …”
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