Mostrando 1,181 - 1,200 Resultados de 37,890 Para Buscar '"forestal"', tiempo de consulta: 0.31s Limitar resultados
  1. 1181
  2. 1182
    “…In this review, we provide an overview of recent data on epigenetic mechanisms involved in developmental processes and responses to environmental cues in plant, with a focus on forest tree species. We consider the possible role of forest tree epigenetics as a new source of adaptive traits in plant breeding, biotechnology, and ecosystem conservation under rapid climate change.…”
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  3. 1183
    “…Although many classification tools, such as projection to latent structures (PLS), support vector machine (SVM), linear discriminant analysis (LDA), and random forest (RF), have been successfully used in metabolomics, their performance including strengths and limitations in clinical data analysis has not been clear to researchers due to the lack of systematic evaluation of these tools. …”
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  4. 1184
    “…In this study we describe the structure and composition of ant communities in the endemic Moroccan Argan forest, using pitfall traps sampling technique throughout the four seasons between May 2006 and February 2007. …”
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  5. 1185
    “…As tree cover increased within 120 m of a sampling point, ichneumonid community composition increasingly resembled that found in native forest. Similarly, native ichneumonid abundance increased with proximity to native forest. …”
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  6. 1186
    “…Brazilian tropical rain forests encompass host- and vector-rich communities, in which two hypothetical mechanisms could play a role in the dynamics of malaria transmission. …”
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  7. 1187
    “…BACKGROUND: The random forest (RF) method is a commonly used tool for classification with high dimensional data as well as for ranking candidate predictors based on the so-called random forest variable importance measures (VIMs). …”
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  8. 1188
  9. 1189
    “…An open-access culture and a well-developed comparative-genomics infrastructure must be developed in forest trees to derive the full potential of genome sequencing in this diverse group of plants that are the dominant species in much of the earth's terrestrial ecosystems.…”
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  10. 1190
    “…The main driver of parasite abundance at the microhabitat level was the average height of the forest, and at the community level, the density of hosts and prior rainfall. …”
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  11. 1191
    por Lewis, Simon L., Sonké, Bonaventure, Sunderland, Terry, Begne, Serge K., Lopez-Gonzalez, Gabriela, van der Heijden, Geertje M. F., Phillips, Oliver L., Affum-Baffoe, Kofi, Baker, Timothy R., Banin, Lindsay, Bastin, Jean-François, Beeckman, Hans, Boeckx, Pascal, Bogaert, Jan, De Cannière, Charles, Chezeaux, Eric, Clark, Connie J., Collins, Murray, Djagbletey, Gloria, Djuikouo, Marie Noël K., Droissart, Vincent, Doucet, Jean-Louis, Ewango, Cornielle E. N., Fauset, Sophie, Feldpausch, Ted R., Foli, Ernest G., Gillet, Jean-François, Hamilton, Alan C., Harris, David J., Hart, Terese B., de Haulleville, Thales, Hladik, Annette, Hufkens, Koen, Huygens, Dries, Jeanmart, Philippe, Jeffery, Kathryn J., Kearsley, Elizabeth, Leal, Miguel E., Lloyd, Jon, Lovett, Jon C., Makana, Jean-Remy, Malhi, Yadvinder, Marshall, Andrew R., Ojo, Lucas, Peh, Kelvin S.-H., Pickavance, Georgia, Poulsen, John R., Reitsma, Jan M., Sheil, Douglas, Simo, Murielle, Steppe, Kathy, Taedoumg, Hermann E., Talbot, Joey, Taplin, James R. D., Taylor, David, Thomas, Sean C., Toirambe, Benjamin, Verbeeck, Hans, Vleminckx, Jason, White, Lee J. T., Willcock, Simon, Woell, Hannsjorg, Zemagho, Lise
    Publicado 2013
    “…We report above-ground biomass (AGB), basal area, stem density and wood mass density estimates from 260 sample plots (mean size: 1.2 ha) in intact closed-canopy tropical forests across 12 African countries. Mean AGB is 395.7 Mg dry mass ha(−1) (95% CI: 14.3), substantially higher than Amazonian values, with the Congo Basin and contiguous forest region attaining AGB values (429 Mg ha(−1)) similar to those of Bornean forests, and significantly greater than East or West African forests. …”
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  12. 1192
    “…In energy-limited (high-elevation) forests deficit models were only equivocally better than temperature models, suggesting that the second mechanism is increasingly important in these forests. …”
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  13. 1193
    “…Regularized regression and random forests, on the other hand, have several properties that may appear important in this context. …”
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  14. 1194
    “…The forest canopy offers a vertical gradient across which variation in predation pressure implies variation in refuge quality for arthropods. …”
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  15. 1195
    por Hubbell, Stephen P
    Publicado 2013
    “…Data from a global network of large, permanent plots in lowland tropical forests demonstrate (1) that the phenomenon of tropical tree rarity is real and (2) that almost all the species diversity in such forests is due to rare species. …”
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  16. 1196
    “…BACKGROUND: Ginseng cultivated under mountainous forest, called “Lin-Xia-Shan-Shen” (LXSS) in China's Pharmacopoeia. …”
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  17. 1197
  18. 1198
    “…We studied biomass and growth of subtropical forests stands in southeastern China. Taking advantage of variation in species recruitment during secondary succession, we adopted a comparative study design selecting forest plots to span a gradient in species richness. …”
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  20. 1200
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