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Mostrando 661 - 680 Resultados de 37,890 Para Buscar '"forestal"', tiempo de consulta: 0.32s Limitar resultados
  1. 661
    por Williams, John K.
    Publicado 2013
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    Using random forests to diagnose aviation turbulence
  2. 662
    por Nordin, Annika, Sandström, Camilla
    Publicado 2016
    “…The sustainable use of forests constitutes one of the great challenges for the future due to forests’ large spatial coverage, long-term planning horizons and inclusion of many ecosystem services. …”
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    Interdisciplinary science for future governance and management of forests
  3. 663
    “…We estimate that around 920,000 Pygmies (over 60% in DRC) is possible within favourable forest areas in Central Africa. We argue that fragmentation of the existing Pygmy populations, alongside pressure from extractive industries and sometimes conflict with conservation areas, endanger their future. …”
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    Distribution and Numbers of Pygmies in Central African Forests
  4. 664
    “…Carbon storage is widely acknowledged as one of the most valuable forest ecosystem services. Deforestation, logging, fragmentation, fire, and climate change have significant effects on tropical carbon stocks; however, an elusive and yet undetected decrease in carbon storage may be due to defaunation of large seed dispersers. …”
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    Defaunation affects carbon storage in tropical forests
  5. 665
    “…This study suggests that tropospheric ozone may not diminish forest carbon sequestration capacity. This study also suggests that, because of the often positive relationship between isoprene emission and ozone formation, there is a positive feedback loop between forest communities and ozone, which further aggravates ozone pollution.…”
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    Forests and ozone: productivity, carbon storage, and feedbacks
  6. 666
    “…Forest loss is one of the most pervasive land surface transformations on Earth, with drastic effects on global climate, ecosystems, and human well-being. …”
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    Effects of conservation policy on China’s forest recovery
  7. 667
    Publicado 2016
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    Correction: Brazil's Market for Trading Forest Certificates
  8. 668
    “…Therefore, the long-term adaptability of forest ecosystems to a changing environment must be secured, e.g., through sustainable forest management. …”
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    Forest genetic monitoring: an overview of concepts and definitions
  9. 669
    “…Overall, this study presented a modularized phylogenetic forest that describes a combination of complicated vertical and nonvertical evolutionary processes for methanogenic archaeal species.…”
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    Modularized Evolution in Archaeal Methanogens Phylogenetic Forest
  10. 670
    “…Here we assess determinants of climatic debt accumulated in French forest herbaceous plant communities between 1987 and 2008 (that is, a 1.05 °C mean difference between the observed and bioindicated temperatures). …”
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    Ecological constraints increase the climatic debt in forests
  11. 671
    “…We explore the cumulative effects of warming on the dynamics and turnover of forest ant communities that were warmed as part of a 5-year climate manipulation experiment at two sites in eastern North America. …”
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    Climatic warming destabilizes forest ant communities
  12. 672
    “…The PLOS ONE Collection “Measuring forest conservation effectiveness” brings together a series of studies that evaluate the effectiveness of tropical forest conservation policies and programs with the goal of measuring conservation success and associated co-benefits. …”
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    Emerging Evidence on the Effectiveness of Tropical Forest Conservation
  13. 673
    por Bohn, Friedrich J., Huth, Andreas
    Publicado 2017
    “…Instead forest structure emerges as the key variable. Similar patterns can be observed by analysing 5054 forest plots of the German National Forest Inventory. …”
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    The importance of forest structure to biodiversity–productivity relationships
  14. 674
    “…The most comprehensive dataset of in situ destructive sampling measurements of forest biomass in Eurasia have been compiled from a combination of experiments undertaken by the authors and from scientific publications. …”
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    A dataset of forest biomass structure for Eurasia
  15. 675
    “…Given a gradient of climatic and edaphic factors, rather than bistability there is a predictable spatial boundary, a Maxwell point, that separates regions where forest and savanna states are naturally selected. …”
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    Amazonian forest-savanna bistability and human impact
  16. 676
    “…There is an urgent need to quantify anthropogenic influence on forest carbon stocks. Using satellite-based radar imagery for such purposes has been challenged by the apparent loss of signal sensitivity to changes in forest aboveground volume (AGV) above a certain ‘saturation’ point. …”
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    Understanding ‘saturation’ of radar signals over forests
  17. 677
    “…Although lightning kills thousands of trees each year and is an important agent of mortality in some forests, the frequency and distribution of lightning‐caused tree death remain unknown for most forests. …”
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    Quantification and identification of lightning damage in tropical forests
  18. 678
    “…Hemoglobin (Hb) Sherwood Forest is a rare high-affinity hemoglobin first described in 1977, arising from an Arg to Thr substitution at codon 104 of the beta chain. …”
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    Heterozygous Hemoglobin Sherwood Forest Causing Polycythemia
  19. 679
    “…More than two-fifths of the number of worldwide trees can be found either in tropical or in subtropical forests, but only ≈0.000067% of species identities are known. …”
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    Upscaling species richness and abundances in tropical forests
  20. 680
    por Lloyd, John D, Rimmer, Christopher C
    Publicado 2017
    “…NEW INFORMATION: We provide data from one of the few spatially extensive surveys of forest birds on Puerto Rico. We sampled 211 locations in forests across the island during January–March 2015 using repeated point-count surveys. …”
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    Surveys of Forest Birds on Puerto Rico, 2015
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