Mostrando 5,861 - 5,880 Resultados de 18,145 Para Buscar '"biodiversity"', tiempo de consulta: 0.27s Limitar resultados
  1. 5861
    “…BACKGROUND: DNA barcoding and other DNA sequence-based techniques for investigating and estimating biodiversity require explicit methods for associating individual sequences with taxa, as it is at the taxon level that biodiversity is assessed. …”
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  2. 5862
    “…Networks of marine reserves are increasingly being promoted as a means of conserving marine biodiversity. One consideration in designing systems of marine reserves is the maintenance of connectivity to ensure the long-term persistence and resilience of populations. …”
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  3. 5863
    “…Landscape patterns of association described here are based on characteristics that can be directly linked to provincial forest inventories, providing a basis that is already available for use of tree species as biodiversity surrogates in boreal forest land management.…”
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  4. 5864
    “…Prioritization of efforts to maintain biodiversity is an important component of conservation, but is more often applied to ecosystems or species than within species. …”
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  5. 5865
    “…Here, decomposing biodiversity indices into α (local) and γ (regional) components, we estimated taxonomic and functional β-diversity among tropical estuarine fish communities, through space and time. …”
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  6. 5866
  7. 5867
  8. 5868
    “…Forests are of major importance to human society, contributing several crucial ecosystem services. Biodiversity is suggested to positively influence multiple services but evidence from natural systems at scales relevant to management is scarce. …”
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  9. 5869
    “…Ocean acidification and warming are considered two of the greatest threats to marine biodiversity, yet the combined effect of these stressors on marine organisms remains largely unclear. …”
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  10. 5870
    “…A significant finding in this research is that, while fishing, biodiversity and agricultural values all have equivalents in the market economy, the value for which people were willing to pay most, the cultural value, has no equivalent at all and is thus receives almost no investment.…”
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  11. 5871
    “…Thus, diversity-area relationships could forecast the temporal accumulation of biodiversity of the forests, but they failed to “back-cast” the temporal accumulation of biodiversity suggesting a decoupling of space and time.…”
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  12. 5872
    “…Understanding the environmental variables that determine the biodiversity pattern will help in the effective conservation plans of coastal habitat. …”
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  13. 5873
    “…Given the urgency of climate change and the loss of habitat, it is vital that we use new technologies to improve and expand global biodiversity monitoring to thousands of sites around the world. …”
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  14. 5874
  15. 5875
    por Venail, Patrick A., Vives, Martha J.
    Publicado 2013
    “…After identifying twelve bacterial strains from two petroleum-contaminated sites, we experimentally explored the impact of biodiversity on total density by manipulating the number of strains in culture. …”
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  16. 5876
    por Desmet, Peter, Brouillet, Luc
    Publicado 2013
    “…VASCAN was developed at the Université de Montréal Biodiversity Centre and is maintained by a group of editors and contributors. …”
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  17. 5877
  18. 5878
  19. 5879
    “…Human-induced nutrient input can change the selection regime and lead to the loss of biodiversity. For example, eutrophication caused speciation reversal in polymorphic whitefish populations through a flattening of littoral–pelagic selection gradients. …”
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  20. 5880
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