Mostrando 641 - 660 Resultados de 1,239 Para Buscar '"Central Africa"', tiempo de consulta: 0.27s Limitar resultados
  1. 641
    “…Here, we described and studied Anopheles fontenillei sp.n., a new species in the Anopheles gambiae complex that we recently discovered in the forested areas of Gabon, Central Africa. Our analysis placed the new taxon in the phylogenetic tree of the An. gambiae complex, revealing important introgression events with other members of the complex. …”
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  2. 642
    “…Here, we report eleven new FV env sequences in two mandrill populations in Central Africa, geographically separated by the Ogooué River into the North and the South populations. …”
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  3. 643
    “…We explore the application of this framework to guide the conservation of a group of threatened bird species endemic to papyrus (Cyperus papyrus) swamps in East and Central Africa. Using occupancy data for five species collected over two years from a network of wetlands in Uganda, we determine the local and landscape factors that influence local extinction and colonization, and map expected rates of population turnover across the network to draw inferences about the locations that contribute most to regional resistance and resilience for all species combined. …”
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  4. 644
    “…The results show that northern‐breeding populations and Southern Africa as well as southern‐breeding populations and Western–Central Africa are more strongly connected through Barn Swallow migration than central European breeding populations with any of the African wintering areas. …”
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  5. 645
  6. 646
    “…We extrapolate the evolutionary relationship between pathogen sharing and divergence time between primate species to generate “hotspot” maps, highlighting regions where the risk of disease transfer between wild primates and from wild primates to humans is greatest. We find that central Africa and Amazonia are hotspots for cross-species transmission events between wild primates, due to a high diversity of closely related primate species. …”
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  7. 647
    “…We discuss also the natural history in humans of these retroviruses of zoonotic origin (magnitude and geographical distribution, possible inter-human transmission). In Central Africa, the increase of the bushmeat trade during the last decades has opened new possibilities for retroviral emergence in humans, especially in immuno-compromised persons.…”
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  8. 648
    por Wilson, Ben
    Publicado 2019
    “…Immigrants have significantly higher completed fertility than UK-born natives if they were born in India, Pakistan, Bangladesh, Jamaica, or Western and Central Africa, but the profile of their cumulative fertility differentials—versus the UK-born—varies considerably over the life course, especially by age at migration. …”
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  9. 649
    “…The emergence of agriculture in Central Africa has previously been associated with the migration of Bantu-speaking populations during an anthropogenic or climate-driven ‘opening’ of the rainforest. …”
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  10. 650
    “…The objective of the present study was to assess their performance, classify them into distinct heterotic groups and identify promising hybrids for commercialization in the West and Central Africa sub-region. General combining ability and specific combining ability mean squares were highly significant for grain yield and other traits under the research environments. …”
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  11. 651
    “…First report was in Kenya in 2012, since then the disease has rapidly spread to most parts of eastern and central Africa region including Tanzania, Burundi, DRC Congo, Rwanda, Uganda, Ethiopia and similar symptoms were observed in South Sudan. …”
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  12. 652
    “…However, the role of Official Development Assistance (ODA) in enhancing WASH facilities in the most vulnerable countries cannot be disregarded, but it is unevenly distributed: for each 50–100 US$ of ODA per capita, the probability of directing more than 3 US$ to WASH ranges between 48% (Western Africa) and 8% (Central Africa).…”
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  13. 653
    por Dounebaine, Bonheur, Winskell, Kate
    Publicado 2021
    “…INTRODUCTION: the neighboring Republics of Chad and Cameroon have respectively one of the lowest and highest HIV prevalence rates in central Africa at 1.3% and 4.5%, respectively. We conducted a comparative description of social behaviors and HIV risk factors among heterosexual men and explored the baseline of the first UNAIDS target (by 2020, 90% of people living with HIV will know their status) in the two countries. …”
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  14. 654
    “…The unexpected Ebola virus outbreak in West Africa in 2014 involving the Zaire ebolavirus made clear that other regions outside Central Africa, its previously documented niche, were at risk of future epidemics. …”
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  15. 655
    “…Taking as constraints the mass and radius of earth, and measured gravity, this theoretical method explores the use of gravitational potential to calculate the absolute gravity at three locations in Africa (e.g., Cape Town at latitude -34(o), central Africa at latitude 0, and Benghazi at latitude 32(o)). …”
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  16. 656
    “…By investigating the evolutionary history of Bicyclus butterflies within a phylogenetic framework, we inferred the group’s origin at the Oligo-Miocene boundary from ancestors in the Congolian rainforests of central Africa. Abrupt climatic fluctuations during the Miocene (ca. 19–17 Ma) likely fragmented ancestral populations, resulting in at least eight early-divergent lineages. …”
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  17. 657
    “…SUMMARY: Gambiense human African trypanosomiasis is a deadly infectious disease affecting West and Central Africa, South Sudan and Uganda, and transmitted between humans by tsetse flies. …”
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  18. 658
    “…Despite previously being endemic in west and central Africa with a mortality rate of up to 10%, it remained a neglected tropical disease. …”
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  19. 659
  20. 660
    “…This cross-sectional study used Demographic and Health Survey (DHS) data on family planning from 32 LMICs of South Asia (SA), Southeast Asia (SEA), West-Central Africa (WCA), and Eastern-Southern Africa (ESA). …”
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