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Mostrando 61 - 80 Resultados de 163 Para Buscar '"Tocantins"', tiempo de consulta: 0.18s Limitar resultados
  1. 61
    “…Here we show that the Araguaian boto population in the Tocantins River is relatively small (N = 1083, CV = 0.52). …”
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    On the brink of isolation: Population estimates of the Araguaian river dolphin in a human-impacted region in Brazil
  2. 62
    “…With these topics in mind, we explored the morphological changes that have occurred across several cichlid species following the damming of the Tocantins River, Brazil. The Tocantins was once a large (2,450 km), contiguous river system; however, upon closure of the Tucuruí Hydroelectric Dam in 1984, a large (~2,850 km(2)), permanent reservoir was established. …”
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    Rapid morphological change in multiple cichlid ecotypes following the damming of a major clearwater river in Brazil
  3. 63
    “…Thus, this study aims to evaluate the health care offered to quilombo communities in the northern region of Tocantins. This is an exploratory, descriptive study with a qualitative approach, including field research and focus group, carried out with 58 quilombo remnants people from communities in the northern region of Tocantins. …”
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    Access to Health Services and Assistance Offered to the Afro-Descendant Communities in Northern Brazil: A Qualitative Study
  4. 64
    “…Here, we show the impact of environmental modifications on cases of infections by the dengue, chikungunya and Zika viruses in humans in the state of Tocantins, Brazil, between the years 2010 and 2019. …”
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    Environmental Changes and the Impact on the Human Infections by Dengue, Chikungunya and Zika Viruses in Northern Brazil, 2010–2019
  5. 65
    “…However, the highest genetic differentiation was identified between populations from Paraná-Paraguay system and Tocantins River basin. Three species delimitation analyses (PTP, GMYC, and ABGD) suggested that there are at least two species among the analyzed populations. …”
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    Genetic evidence for a species complex within the piranha Serrasalmus maculatus (Characiformes, Serrasalmidae) from three Neotropical river basins based on mitochondrial DNA sequences
  6. 66
    “…A cross-sectional study was conducted to evaluate the adequacy of the work process among family health teams and compare differences in regional adequacy in the state of Tocantins, in the Amazonian Region, Brazil. Categorical principal components analysis was used, and scores of each principal component extracted in the analysis were compared among health regions in Tocantins. …”
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    Performance of family health teams for tackling chronic diseases in a state of the Amazon
  7. 67
    “…In the states of Acre and Amapá, there was a reduction of 5.85% and –5.68% per year, respectively, and in Tocantins, an increase of 4.16% per year. The incidence of hospitalization did not vary between 2008 and 2017. …”
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    Temporal trend of mortality and hospitalization for chronic kidney disease in adults from Northern Brazil
  8. 68
    “…Current knowledge suggests that T. costalimai can transmit human Chagas disease in the upper Tocantins Basin; control-surveillance systems should ‘tag’ the species as a potentially important local vector in the Brazilian states of Goiás and Tocantins. …”
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    Triatoma costalimai, a neglected vector of Trypanosoma cruzi in the Cerrado savannas of South America: A comprehensive review
  9. 69
    “…Our study contributes to an understanding of the introduction of Cichla in regions of Brazil outside the Amazon basin, and adds phylogenetic data to the recently describe Cichla species, endemic from the Tocantins-Araguaia basin.…”
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    Genetic characterization of native and introduced populations of the neotropical cichlid genus Cichla in Brazil
  10. 70
    “…Heteropterys tocantinensis is more common in eastern Tocantins State and on the border with Bahia State, and there are a few records from Mato Grosso State. …”
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    Deciphering the Heteropterys pannosa species complex (Malpighiaceae)
  11. 71
    “…Samples were obtained at three different sites along the Tocantins River (Tocantins State, Brazil). The area has withstood the impact mainly of rural activities, which release different chemical compounds in the environment. …”
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    Surface Water Impacted by Rural Activities Induces Genetic Toxicity Related to Recombinagenic Events in Vivo
  12. 72
    “…C. asellus is spread over the entire Amazon, Tocantins-Araguaia drainages, and coastal environments from the Amazon mouth to Venezuela, and is the only freshwater puffers on that continent. …”
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    A New Cryptic Species of South American Freshwater Pufferfish of the Genus Colomesus (Tetraodontidae), Based on Both Morphology and DNA Data
  13. 73
    “…The material was collected in the rural area of the municipality of Sítio Novo do Tocantins, in the state of Tocantins, Brazil. Analyses were performed considering jointly the three layers that make up the babassu nut shell. …”
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    Babassu nut residues: potential for bioenergy use in the North and Northeast of Brazil
  14. 74
    “…Our genetic results reveal that O. bicirrhosum colonized the Tocantins-Araguaia basin from the Amazon basin about one million years ago. …”
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    Interspecific Genetic Differences and Historical Demography in South American Arowanas (Osteoglossiformes, Osteoglossidae, Osteoglossum)
  15. 75
    “…The objective of this study was to analyze the spatial distribution of arboviruses transmitted by Aedes aegypti (dengue, Zika, and chikungunya) and assess their correlations with demographic, social, and environmental data from the state of Tocantins, Brazil. METHODS: This was an ecological time series study of the dengue, Zika, and chikungunya arboviruses in the state of Tocantins. …”
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    Identification of risk areas for arboviruses transmitted by Aedes aegypti in northern Brazil: A One Health analysis
  16. 76
    “…They are present in high frequencies and are circulating in different small and isolated cities in the state of Tocantins. Further studies will be needed to establish whether the detected recombinant strains have been replacing parental strains or if they are co-circulating in distinct frequencies in Tocantins.…”
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    Recombinant Strains of Human Parechovirus in Rural Areas in the North of Brazil
  17. 77
    “…In Brazil, the SqMV has been identified in the states of Ceará, Maranhão, Piauí, Rio Grande do Norte, and Tocantins. The presence of non-pathogenic viruses in animals, such as phytoviruses, may not be completely risk-free. …”
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    New Variants of Squash Mosaic Viruses Detected in Human Fecal Samples
  18. 78
    “…The largest number of cases were found in Tocantins and Mato Grosso, inner states of Brazil (p < 0.05). …”
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    Leprosy morbidity and mortality in Brazil: 2008–2018
  19. 79
    “…The states of Acre (-7.19%; 95%CI -12.31; -1.77), Pará (-4.86%; 95%CI -9.44; -0.03), and Tocantins (-6.22%; 95%CI -9.88; -2.41) showed a tendency to reduce the prevalence of stunting, while the other four states showed stability during the period. …”
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    The tendency of stunting among children under five in the Northern Region of Brazil, according to the Food and Nutrition Surveillance System, 2008-2017
  20. 80
    “…The Brazilian municipalities presenting the highest rates were Taipas do Tocantins, state of Tocantins (79.68 deaths per 100,000 population), Itaporã, state of Mato Grosso do Sul (75.15 deaths per 100,000 population), Mampituba, state of Rio Grande do Sul (52.98 deaths per 100,000 population), Paranhos, state of Mato Grosso do Sul (52.41 deaths per 100,000 population), and Monjolos, state of Minas Gerais (52.08 deaths per 100,000 population). …”
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    Analysis of suicide mortality in Brazil: spatial distribution and socioeconomic context
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