Mostrando 73,401 - 73,420 Resultados de 76,556 Para Buscar '"ecology"', tiempo de consulta: 0.73s Limitar resultados
  1. 73401
    por Crews, Sarah C., Esposito, Lauren A.
    Publicado 2020
    “…BACKGROUND: The immense geologic and ecological complexity of the Caribbean has created a natural laboratory for interpreting when and how organisms disperse through time and space. …”
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  2. 73402
    “…Floral color polymorphism can provide great insight into species evolution from a genetic and ecological standpoint. Color variations between species are often mediated by pollinators and are fixed characteristics, indicating their relevance to adaptive evolution, especially between plants within a single population or between similar species. …”
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  3. 73403
    “…BACKGROUND: Ecological determinants of most emerging vector-borne diseases are understudied, particularly for neglected tropical disease. …”
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  4. 73404
    “…The present study is undertaken to identify and compare the ecological niche of endophytic bacterial communities amongst different tissues of two hybrids varieties Hysun-33 and Hysun-39 of sunflower (Helianthus annuus) at three developmental stages which are vegetative stage I (after 15 days of seeds germination), vegetative stage II (after 30 days of germination) and reproductive stage (after 90 days of germination). …”
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  5. 73405
    por Lipa, Paulina, Janczarek, Monika
    Publicado 2020
    “…Symbiotic bacteria play an essential role in the soil environment from both ecological and economical point of view, since these bacteria provide Fabaceae plants (legumes) with large amounts of accessible nitrogen as a result of symbiotic interactions (i.e., rhizobia present within the nodule reduce atmospheric dinitrogen (N(2)) to ammonia, which can be utilized by plants). …”
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  6. 73406
    “…However, it is unclear whether such assessments represent a reliable tool when performed during walking in an ecologically valid scenario and whether age‐related differences may occur. …”
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  7. 73407
    “…However, this behaviour might only be acquired when chimpanzees are still inside their sensitive learning period, and when ecological and developmental conditions allow for it. …”
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  8. 73408
    “…The use of insect meals may be a valid option, due to their good nutritional values and low ecological footprint. In this study, we evaluated the effects of a progressive fishmeal substitution with increasing concentrations of a partially defatted yellow mealworm meal in rainbow trout diets. …”
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  9. 73409
    “…This study comprehensively evaluated the effectiveness and the ecological effects of the TC-degrading bacterial consortium in soil environment.…”
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  10. 73410
    por Arogyaswamy, Bernard
    Publicado 2020
    “…Sustainability is typically viewed as consisting of three forces, economic, social, and ecological, in tension with one another. In this paper, we address the dangers posed to societal sustainability. …”
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  11. 73411
    “…We highlighted the presence of functional multi-trait covariation in medaka, which were affected by sex, long-term selection history and short-term environmental conditions, that ultimately had cascading ecological consequences. We stressed the need for applying this approach to better predict ecosystem response to anthropogenic global changes.…”
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  12. 73412
    “…The adjusted odds ratio (aOR) was calculated using multiple logistic regressions using complex survey design, considering clusters, and stratification by ecological zones. All analyses were performed using Stata 15.0. …”
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  13. 73413
    “…Conclusively, a plausible mechanism of NP toxicity to bacteria has been proposed to understand the mechanistic basis of ecological interaction between NPs and resourceful bacteria. …”
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  14. 73414
    “…Mulberry (Morus spp.) is an ecologically and economically important perennial woody plant that is widely used in forest management to combat desertification. …”
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  15. 73415
    “…Here, we describe a scientific panorama that identified the drivers of species invasion based on satellite data and the available ecological datasets. The identification of such drivers could be useful for developing new tools for management and/or control strategies of the beavers in the Tierra del Fuego archipelago.…”
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  16. 73416
    “…Although in this field often researchers have to balance scientific rigor and ecological validity, there is a need for large, well-designed and rigorously conducted trials grounded in contemporary theories.…”
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  17. 73417
    “…This lack of appropriate and cost effective species-specific genetic markers hinders a resolved relationship for the species complex, and this in turn causes profound management challenges for a genus that contains both endemic species, with important ecological roles, and species with an invasive potential. …”
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  18. 73418
    “…Rhizosphere soil bacteria are ecologically important for the transformation of matter and energy in the plant root system and can be influenced by tillage rotation treatments. …”
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  19. 73419
    “…In recent years, the Caribbean Sea and Atlantic Ocean basins have experienced several extreme TCs, resulting in extensive human, ecological, and economic damage [1], [2], [3]. To improve understanding of TCs and their potential impacts in the face of climate change, physically based understanding of past climate and modern TC dynamics is necessary. …”
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  20. 73420
    “…Methods: We searched on MEDLINE (®) databases among articles published until February, 2019 for case-control, cohort, and ecological studies assessing the association between maternal exposure to Nitrogen Dioxide (NO(2)) or Particular matter (PM) and the risk of infant mortality including infant, neonatal, and post-neonatal mortality for all-and specific-causes as well. …”
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