Mostrando 161 - 180 Resultados de 5,832 Para Buscar '"latitud"', tiempo de consulta: 0.14s Limitar resultados
  1. 161
  2. 162
  3. 163
    por Pates, Stephen, Zamora, Samuel
    Publicado 2023
    “…Numerous sites of Cambrian age are known from North America (Laurentia) and South China (East Gondwana), which provide a high resolution picture of the fauna at low latitudes. By contrast, our knowledge of Cambrian animals from higher latitudes is relatively poor. …”
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  4. 164
    “…BACKGROUND: Age at menarche is considered a reliable prognostic factor for idiopathic scoliosis and varies in different geographic latitudes. Adolescent idiopathic scoliosis prevalence has also been reported to be different in various latitudes and demonstrates higher values in northern countries. …”
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  5. 165
  6. 166
    por Krstić, Goran
    Publicado 2011
    “…Human ability to generate physiologically required quantities of vitamin D through sun exposure is decreasing with increasing geographical latitude. OBJECTIVES: Considering that vitamin D deficiency is usually due to lack of outdoor sun exposure, this study is designed to test the hypothesis that a higher prevalence of asthma should be expected at high relative to low geographical latitudes. …”
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  7. 167
    “…Serum vitamin D level shows a strong correlation with the latitude. Here, we review the literature to delineate a relation of prevalence rate of headaches with the latitude. …”
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  8. 168
    “…High-latitude northern ecosystems are experiencing rapid climate changes, and represent a large potential climate feedback because of their high soil carbon densities and shifting disturbance regimes. …”
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  9. 169
    “…At temperate latitudes the synoptic patterns of bird migration are strongly structured by the presence of cyclones and anticyclones, both in the horizontal and altitudinal dimensions. …”
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  10. 170
    “…Beta diversity was also observed to decrease with latitude, but this effect was only observed in shallower waters (<200 m); latitudinal turnover began to disappear at depths >800 m. …”
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  11. 171
    “…Determinants of 25(OH)D concentrations were recent sunbed use, recent travel to southern latitude, season, estrogen contraceptive use and use of supplementary vitamin D (R(2) = 0.27). …”
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  12. 172
  13. 173
  14. 174
    por Cuervo, José J., Møller, Anders P.
    Publicado 2013
    “…The possible relationships between marginality or latitude on one hand and slopes or SEE on the other were tested among populations within species. …”
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  15. 175
    “…Results showed that veligers collected from northern latitudes in Washington State were less tolerant of heat stress than those from central sites in California. …”
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  16. 176
    “…The effect of tree species richness on disease incidence varied with latitude and functional type. Disease incidence tended to increase with tree diversity, in particular in northern latitudes. …”
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  17. 177
    “…However, the association between molecular evolutionary rates and temperature or latitude has never been tested in Squamata. RESULTS: We used a large dataset including the spatial distributions and environmental variables for 1,651 species of Squamata and compared the contrast of the rates of molecular evolution with the contrast of temperature and latitude between sister species. …”
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  18. 178
    “…Our main hypothesis was that the photoperiodic-thermal requirements of A. artemisiifolia constitute a barrier for reproduction at northern latitudes and, thus, halts the northern range shift despite expected climate change. …”
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  19. 179
    por Randler, Christoph, Rahafar, Arash
    Publicado 2017
    “…The “environment hypothesis” suggests that M/E is dependent on environmental factors, such as latitude, mean average temperature and photoperiod. …”
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  20. 180
    “…Comparatively, however, each of these humid periods lasted substantially longer than the mean duration of Heinrich Stadials, overlapping with subsequent warming phases of the southern high-latitudes recorded in Antarctic ice cores. In addition to ITCZ-driven hydroclimate forcing, we infer that changes in Southern Ocean climate also played an important role in regulating late glacial atmospheric patterns of the Southern Hemisphere subtropical regions.…”
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