Mostrando 41 - 60 Resultados de 651 Para Buscar '"Amazonía"', tiempo de consulta: 0.39s Limitar resultados
  1. 41
    “…Brazil has presided over the most comprehensive agrarian reform frontier colonization program on Earth, in which ~1.2 million settlers have been translocated by successive governments since the 1970’s, mostly into forested hinterlands of Brazilian Amazonia. These settlements encompass 5.3% of this ~5 million km(2) region, but have contributed with 13.5% of all land conversion into agropastoral land uses. …”
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    “…Here, we sequenced 2.3 Mb of the NRY from 284 individuals representing more than 30 Native American groups from Northwestern Amazonia (NWA) and compared these data to previously generated mtDNA genomes from the same groups, to investigate the impact of cultural practices on genetic diversity and gain new insights about NWA population history. …”
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  4. 44
    “…Here, we demonstrate that forest islands in the Llanos de Moxos of southwestern Amazonia contain human burials and represent the earliest settlements in the region between 10,600 and 4000 years ago. …”
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  5. 45
    “…Based on molecular markers showing the genetic similarities between domesticated plants and wild relatives, south-western Amazonia has been proposed as one of the early centres of plant domestication(4–6). …”
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  6. 46
    por Celentano, Danielle
    Publicado 2011
    Libro
  7. 47
    “…Our study aimed to assess the microbiological epidemiology and antimicrobial susceptibility patterns of community-acquired urine bacterial isolates in French Amazonia. Our study is retrospective. It was conducted from January 2015 to December 2019 in the microbiology laboratory of the Cayenne General Hospital (French Guiana). …”
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  8. 48
    por Lenaerts, Marc
    Publicado 2006
    “…Such a coexistence of two contrasting explanatory systems is frequent in Amazonia. Among the Asheninka, nevertheless, the underlying hierarchy is clear: the herbal, apparently more materialistic, approach is embedded in the shamanic, plainly relational, model.…”
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  9. 49
    “…After the time of European contact, fires became much scarcer within Amazonia. In both the Amazonia and the Andes, modern fire pattern is strongly allied to human activity. …”
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  10. 50
    por Boyd, Emily
    Publicado 2008
    “…One of the major environmental challenges of the twenty-first century is the continued rapid deforestation of Amazonia. The 2005 dieback crisis emphasizes the unprecedented challenges facing Brazil. …”
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  11. 51
    por Hall, Anthony
    Publicado 2008
    “…Brazil's Proambiente PES scheme for small farmers in Amazonia has enjoyed some limited success, but it has fallen short of expectations. …”
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  12. 52
    “…We suggest that these approaches can assist in distinguishing the relative contribution of natural selection from biogeographic history in the origin of biodiversity, even in complex ecosystems such as Amazonia. We also discuss on how to assess ecological speciation using ELG simulations that include selection. …”
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    “…We propose that the relative resilience of terrestrial species suggests a marked opportunity for managing, rather than criminalizing, contemporary traditional subsistence hunting in Amazonia, through both the engagement of local people in community-based comanagement programs and science-led conservation governance.…”
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    “…The results suggest that hub nodes in the regional climate network of Amazonia have fewer long-range connections when more severe drought conditions appeared in 2010 than that in 2005.…”
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    “…Climate change will potentially affect avian assemblages in southeastern Amazonia with detrimental consequences to their ecosystem functions. …”
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  20. 60
    “…The spatial distribution of biodiversity and related processes is the core of Biogeography. Amazonia is the world's most diverse rainforest and the primary source of diversity to several Neotropical regions. …”
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