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Mostrando 541 - 560 Resultados de 633 Para Buscar 'paleoclima~', tiempo de consulta: 2.13s Limitar resultados
  1. 541
    “…Moreover, this research demonstrates the value of palaeoclimate records in pristine environments for supporting and extending instrumental records. …”
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    Recent climate warming drives ecological change in a remote high-Arctic lake
  2. 542
    “…Incorporating information from palaeoclimatic, palaeolake, and archaeological data, we demonstrate that regions such as the Gobi Desert and the Altai Mountain chains could have periodically acted as corridors and routes for human dispersals and framing biological interactions between hominin populations. …”
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    Heading north: Late Pleistocene environments and human dispersals in central and eastern Asia
  3. 543
    “…Our understanding of these has greatly benefited from palaeoclimate simulations, however, high-quality reconstructions of ecologically relevant climatic variables have thus far been limited to a few selected time periods. …”
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    High-resolution terrestrial climate, bioclimate and vegetation for the last 120,000 years
  4. 544
    “…Our topological approach distinguishes long-shoot leaves from short-shoot leaves, both methods indicate that leaf shape influences or is at least related to leaf area, and both could be applied in palaeoclimatic and evolutionary studies of leaf shape.…”
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    Geometric and topological approaches to shape variation in Ginkgo leaves
  5. 545
    “…Our results offer palaeoclimate-based support for ‘wet-gets-wetter and dry-gets-drier’ projections of future regional hydroclimate responses to sustained anthropogenic forcing. …”
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    Global warming-induced Asian hydrological climate transition across the Miocene–Pliocene boundary
  6. 546
    “…Palynological assemblages revealed that the coniferous and broad-leaved mixed forest in this area received no less than 800 mm of annual precipitation and experienced a climate change from warm and wet to relatively cool and dry. According to palaeoclimate curves, a sudden climate change occurred in the Early Eocene, with the mean annual temperature and precipitation decreasing by 5.1 °C and 214.8 mm, respectively, and the climate became very similar to the present climate, which is controlled by the monsoon. …”
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    New evidence of the emergence of the East Asian monsoon in the early Palaeogene
  7. 547
    “…We conclude that M. gerpi likely diversified through repeated cycles of dispersal punctuated by isolation to refugia as a result of paleoclimatic fluctuations during the Pleistocene. We argue that this diversification scenario serves as a model of diversification for other rainforest taxa that are similarly limited by geographic factors. …”
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    Diversification processes in Gerp's mouse lemur demonstrate the importance of rivers and altitude as biogeographic barriers in Madagascar's humid rainforests
  8. 548
    “…In this study we combine modern geographic range data, phylogeny, Pleistocene paleoclimatic models, and isotopic records of changes in global mean annual temperature, to produce a temporally continuous model of geographic changes in potential habitat for 59 species of North American turtles over the past 320 Ka (three full glacial-interglacial cycles). …”
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    Evaluating the Significance of Paleophylogeographic Species Distribution Models in Reconstructing Quaternary Range-Shifts of Nearctic Chelonians
  9. 549
    “…Two alternative routes, via Egypt and Sinai or across the Bab el Mandeb strait into Arabia, have traditionally been proposed as feasible gateways in light of geographic, paleoclimatic, archaeological, and genetic evidence. …”
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    Tracing the Route of Modern Humans out of Africa by Using 225 Human Genome Sequences from Ethiopians and Egyptians
  10. 550
    “…Present day niche models were generated and subsequently projected onto paleoclimatic maps of the region during the Last Interglacial, Last Glacial Maximum, and mid-Holocene. …”
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    Pleistocene to holocene expansion of the black-belt cichlid in Central America, Vieja maculicauda (Teleostei: Cichlidae)
  11. 551
    “…The scarcity of Pennsylvanian coral reefs suggests global unfavorable conditions, which can be attributed to a complex pattern of several environmental factors, including seawater chemistry (aragonite seas), paleoclimatic cooling related to continental glaciation, and the biological competition with the more opportunistic and adaptive phylloid algal community that occupied similar platform margin paleoenvironments. …”
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    Late Pennsylvanian carbonate platform facies and coral reef: new insights from southern China (Guizhou Province)
  12. 552
    “…Those ancient divergence occurred during middle to late Miocene and likely correlate with paleoclimatic fluctuations caused by the uplift of the Qinghai-Xizang (Tibet) Plateau (QTP). …”
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    Comparative multi-locus assessment of modern Asian newts (Cynops, Paramesotriton, and Pachytriton: Salamandridae) in southern China suggests a shared biogeographic history
  13. 553
    “…Genome-wide estimates of admixture based on a panel of 311 candidate gene single nucleotide polymorphisms (SNP) from 290 genes were used to assess levels of admixture and introgression and to identify loci putatively involved in adaptive differences or reproductive barriers between species. Our palaeoclimatic modelling suggests that these two closely related species have a long history of hybridization and introgression, dating to at least 21 000 years ago, yet species integrity is maintained by a combination of strong environmental selection and reduced current interspecific gene flow. …”
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    Genome-wide admixture and ecological niche modelling reveal the maintenance of species boundaries despite long history of interspecific gene flow
  14. 554
    “…We present Sr/Ca analyses of 3 genotypes of massive Porites spp. corals (the genus most commonly used for palaeoclimate reconstruction), cultured under seawater pCO(2) reflecting modern, future (year 2100) and last glacial maximum (LGM) conditions. …”
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    Understanding cold bias: Variable response of skeletal Sr/Ca to seawater pCO(2) in acclimated massive Porites corals
  15. 555
    “…High latitude sauropod dispersal might have been facilitated by Albian–Turonian warming that lifted a palaeoclimatic dispersal barrier between Antarctica and South America.…”
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    New Australian sauropods shed light on Cretaceous dinosaur palaeobiogeography
  16. 556
    “…Despite this potential, they are underrepresented among palaeoclimate studies, due to enigmatic physiological influences skewing the elemental record. …”
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    Extensive elemental mapping unlocks Mg/Ca ratios as climate proxy in seasonal records of Mediterranean limpets
  17. 557
    “…However, inferences on the response of former ice sheets to sub-millennial palaeoclimate shifts are limited by a shortage of high-resolution terrestrial archives. …”
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    Phased Patagonian Ice Sheet response to Southern Hemisphere atmospheric and oceanic warming between 18 and 17 ka
  18. 558
    por Riris, Philip, Arroyo-Kalin, Manuel
    Publicado 2019
    “…We achieve this by integrating archaeological radiocarbon data and palaeoclimatic time series to show that population decline occurred coeval with the transition to the initial mid-Holocene across South America. …”
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    Widespread population decline in South America correlates with mid-Holocene climate change
  19. 559
    “…Our results suggest novel applications of this response as a sensitive tool to monitor salinisation of coastal soils and to detect salinity changes within peatland palaeoclimate archives. Specifically, we suggest that these relationships could be used to reconstruct millennial scale variability in salt-spray deposition—a proxy for changes in wind-conditions—from sub-fossil communities of Arcellinida and Euglyphida preserved in exposed coastal peatlands. …”
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    Salt-Enrichment Impact on Biomass Production in a Natural Population of Peatland Dwelling Arcellinida and Euglyphida (Testate Amoebae)
  20. 560
    “…Quantitative reconstruction of the palaeoclimate based on pollen records supports---and slightly extends---previous findings based on fossil leaf data, but contradicts findings deduced from the carpological record. …”
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    Early Miocene flora of central Kazakhstan (Turgai Plateau) and its paleoenvironmental implications
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