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Mostrando 181 - 200 Resultados de 633 Para Buscar 'paleoclima~', tiempo de consulta: 2.10s Limitar resultados
  1. 181
    “…This potentially has important implications for paleoclimate reconstruction, and for measuring microbial carbon use efficiency with the (18)O-water method. …”
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    Does metabolic water control the phosphate oxygen isotopes of microbial cells?
  2. 182
    “…Integration of phylogenetic analyses and paleogeographic data reveals congruence between early sauropod evolution and hypotheses about Jurassic paleoclimate and phytogeography. CONCLUSIONS: Spinophorosaurus demonstrates that many putatively derived characters of Middle Jurassic East Asian sauropods are plesiomorphic for eusauropods, while South Gondwanan eusauropods may represent a specialized line. …”
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    A New Basal Sauropod Dinosaur from the Middle Jurassic of Niger and the Early Evolution of Sauropoda
  3. 183
    “…In contrast, the ancestors of the non-Khoisan groups, including Bantu-speakers and non-Africans, experienced population declines after the split and lost more than half of their genetic diversity. Paleoclimate records indicate that the precipitation in southern Africa increased ~80–100 kyr ago while west-central Africa became drier. …”
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    Khoisan hunter-gatherers have been the largest population throughout most of modern-human demographic history
  4. 184
    “…However, standardized paleoclimate datasets for assessing the spatial pattern of past climatic change across continents are lacking for some of the most dynamic episodes of Earth's recent past. …”
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    Validation of climate model-inferred regional temperature change for late-glacial Europe
  5. 185
    “…Therefore, high long-term paleoclimate variability has imposed consistent supplementary constraints on functional diversity of multiple plant groups, a legacy that may permeate to ecosystem functioning and resilience. …”
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    Consistent role of Quaternary climate change in shaping current plant functional diversity patterns across European plant orders
  6. 186
    “…These groups ranged from mammal ecology and population genetics, broad-scale management and ecosystem modelling, plant ecology, agriculture and ecophysiology, to populations and paleoclimate. These patterns may reflect trends in the field of ecology more broadly. …”
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    75 years of dryland science: Trends and gaps in arid ecology literature
  7. 187
    por Zhao, Ning, Keigwin, Lloyd D.
    Publicado 2018
    “…Paleoclimate reconstructions are only as good as their chronology. …”
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    An atmospheric chronology for the glacial-deglacial Eastern Equatorial Pacific
  8. 188
    “…For instance, the extent of leaf margin dissection has, for long, been found to inversely correlate with the mean annual temperature, such that Paleobotanists have used models based on leaf shape to predict the paleoclimate from fossil flora. Leaf growth is not only dependent on temperature but is also regulated by many other environmental factors such as light quality and intensity or ambient humidity. …”
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    Mechanisms Underlying the Environmentally Induced Plasticity of Leaf Morphology
  9. 189
    “…Here, we address this question by combining paleoclimate proxies with model simulations of the Last Glacial Maximum climate. …”
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    Glacial changes in tropical climate amplified by the Indian Ocean
  10. 190
    “…The reasons for the early Holocene temperature discrepancy between northern hemispheric model simulations and paleoclimate reconstructions—known as the Holocene temperature conundrum—remain unclear. …”
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    Central Europe temperature constrained by speleothem fluid inclusion water isotopes over the past 14,000 years
  11. 191
    “…Here we present 2,000-year-long global mean temperature reconstructions using seven different statistical methods that draw from a global collection of temperature-sensitive paleoclimate records. Our reconstructions display synchronous multi-decadal temperature fluctuations, which are coherent with one another and with fully forced CMIP5 millennial model simulations across the Common Era. …”
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    Consistent multi-decadal variability in global temperature reconstructions and simulations over the Common Era
  12. 192
    “…Evidence from paleogeography and paleoclimate studies has confirmed that Blumea experienced differentiation and an explosive expansion during the Oligocene and Miocene.…”
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    Phylogenetic Reconstruction and Divergence Time Estimation of Blumea DC. (Asteraceae: Inuleae) in China Based on nrDNA ITS and cpDNA trnL-F Sequences
  13. 193
    “…We demonstrate this trigger of the AMOC using a new paleoclimate model with late Eocene boundary conditions. …”
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    Arctic closure as a trigger for Atlantic overturning at the Eocene-Oligocene Transition
  14. 194
    “…To predict how monsoons will evolve in the 21st century, we need to understand how they have changed in the past. In paleoclimate literature, the major focus has been on the role of solar forcing on monsoons but not on the amplification by feedbacks internal to the climate system. …”
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    Modulation of Indian monsoon by water vapor and cloud feedback over the past 22,000 years
  15. 195
    “…Comparison with regional paleoclimate records suggests that glacier activity was dominantly controlled by winter precipitation variability superposed on long-term Holocene temperature trends, offering key insights into western U.S. glacier resilience and vulnerability to future warming.…”
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    Alpine glacier resilience and Neoglacial fluctuations linked to Holocene snowfall trends in the western United States
  16. 196
    “…We confirmed a Sundaland origin for the extant genus and showed northward dispersal into mainland Southeast Asia and Asia, which coincided with the timing of paleoclimatic change from the Oligocene to Middle Miocene. …”
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    Geographical range evolution of the genus Polypedates (Anura: Rhacophoridae) from the Oligocene to present
  17. 197
    “…Thus, research related to isotope hydrology, agriculture, paleoclimate can benefit from this dataset. Interpretation of this dataset focusing on the relationship between meteorological factors and stable isotope composition of precipitation is in progress.…”
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    Stable isotope data of daily precipitation during the period of 2013–2017 from K-puszta (regional background monitoring station), Hungary
  18. 198
    por Gaeta, Raffaele
    Publicado 2021
    “…There are many applications for ancient DNA research in the field of archaeology and paleopathology: population demography, genealogy, disease studies, archaeological reconstruction of plant vegetation, calibration of the molecular clock, phylogenetic relationship between different mammals and interpretation of the paleoclimate. However, the study of ancient genetic material is extremely difficult due to its poor quality and quantity, as well possible contamination with modern DNA. …”
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    Ancient DNA and paleogenetics: risks and potentiality
  19. 199
    “…This conceptual framework should be taken into consideration in Earth system paleoclimate simulations used to explore the mechanisms of African climatic and environmental sensitivity.…”
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    Early Holocene greening of the Sahara requires Mediterranean winter rainfall
  20. 200
    “…Bacterial brGDGT lipids are a prevalent tool in studies of terrestrial paleoclimate. Their distributions correlate empirically with environmental temperature and pH, and their ubiquity in terrestrial, freshwater, and marine environments gives them wide applicability. …”
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    Near-universal trends in brGDGT lipid distributions in nature
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