Mostrando 1,321 - 1,340 Resultados de 37,890 Para Buscar '"forestal"', tiempo de consulta: 0.49s Limitar resultados
  1. 1321
  2. 1322
  3. 1323
    “…Forest tree breeding has been successful at delivering genetically improved material for multiple traits based on recurrent cycles of selection, mating, and testing. …”
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  4. 1324
    por Lv, Fei, Han, Min
    Publicado 2018
    “…In this paper, an efficient hyperspectral image classification method based on improved Rotation Forest (ROF) is proposed. It is named ROF-KELM. Firstly, Non-negative matrix factorization( NMF) is used to do feature segmentation in order to get more effective data. …”
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  5. 1325
  6. 1326
    “…BACKGROUND: Nitrogen (N) is an important macronutrient that controls the productivity of ecosystems and biological nitrogen fixation (BNF) is a major source of N in terrestrial systems, particularly tropical forests. Bamboo dominates theses forests, but our knowledge regarding the role of bamboo in ecosystem functioning remains in its infancy. …”
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  7. 1327
    “…The aim was to assess terrestrial isopod (Oniscidea) assemblages in differently degraded urban forest patches of a metropolitan area (Budapest, Hungary). …”
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  8. 1328
  9. 1329
  10. 1330
    “…Mineral and hydrocarbon extraction and infrastructure are increasingly significant drivers of forest loss, greenhouse gas emissions, and threats to the rights of forest communities in forested areas of Amazonia, Indonesia, and Mesoamerica. …”
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  11. 1331
    “…In recent years, the habitat structure of temperate forests has been increasingly subject to modifications from foraging by white-tailed deer (Odocoileus virginianus). …”
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  12. 1332
    “…Habitat heterogeneity of tropical forests is thought to lead to specialization in plants and contribute to the high diversity of tree species in Amazonia. …”
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  13. 1333
    “…Five native plants from Atlantic forest were indicated; EtOH and n-hexane extracts were prepared with the vegetative organs of the plants and assayed against promastigote and amastigote forms of L. …”
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  14. 1334
    “…Land-use change can have profound effects on forest communities, compromising seedling recruitment and growth, and long-term persistence of forests on the landscape. …”
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  15. 1335
    “…This suggests that a vertical squeeze, or narrowing of the distribution range of kelp forests may be occurring in Norway.…”
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  16. 1336
    “…BACKGROUND: Wet tropical forests of Chocó, along the Pacific Coast of Colombia, are known for their high plant diversity and endemic species. …”
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  17. 1337
    “…We compared bird community changes in burnt forests (spanning 13 years) with bird assemblages occurring in adjacent non-burned forest stands that served as quasi-experimental controls. …”
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  18. 1338
    “…Multidrug-resistant Plasmodium falciparum malaria on the Cambodia–Thailand border is associated with working in forested areas. Beyond broad recognition of “forest-going” as a risk factor for malaria, little is known about different forest-going populations in this region. …”
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  19. 1339
  20. 1340
    “…Here we describe the characterization of the phyllospheric bacterial communities of Carpinus betulus L. trees (hornbeam) across three locations: the city center of Warsaw (Poland), a forest in a UNESCO World Heritage Site (Białowieża), and a forest in one of the world’s oldest operational oil fields (Bóbrka). …”
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