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12 results for “Tibetan history”
Combined U-series and in situ U-Pb dating of fault-related carbonates for reconstructing a long-term history of fault activity in response to SE Tibetan Plateau brittle deformation
<p>Table S1. Analytical conditions for LA-ICP-MS U-Pb dating</p> <p>Table S2. Analytical conditions for LA-ICP-MS elemental mapping</p> <p>Table S3.<em> In situ </em>calcite LA-ICAPMS U-Pb dating data</p>
Supporting information for "Thermal alteration history of Fenghuoshan Group, Hoh Xil Basin, northern Tibetan Plateau: Insights from clumped isotope thermometry"
<p>The supporting information includes raw isotopic analysis data for "Thermal alteration history of Fenghuoshan Group, Hoh Xil Basin, northern Tibetan Plateau: Insights from clumped isotope thermometry" by Kong et al.</p>
Data from: Phylogenomics disentangles the evolutionary history of spruces (Picea) in the Qinghai-Tibetan Plateau: implications for the design of population genetic studies and species delimitation of conifers
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Data from: Geological and climatic histories likely shaped the origins of terrestrial vertebrates endemic to the Tibetan Plateau
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Data from: History and evolution of alpine plants endemic to the Qinghai-Tibetan Plateau: Aconitum gymnandrum (Ranunculaceae)
How Quaternary climatic oscillations affected range distributions and intraspecific divergence of alpine plants on the Qinghai-Tibetan Plateau (QTP) remains largely unknown. Here we report a survey of chloroplast (cp) and nuclear ribosomal (ITS) DNA variation aimed at exploring the phylogeographic history of the QTP alpine endemic Aconitum gymnandrum. We sequenced three cpDNA fragments (rpl20-rps12 intergenic spacer, the trnV intron and psbA-trnH spacer) and also the nuclear (ITS) region in 245 individuals from 23 populations sampled throughout the species' range. Two distinct lineages with east and west geographical distributions respectively were identified from a phylogenetic analysis of ITS sequence variation and the divergence were estimated to be around 1.45 Ma. Nine chlorotypes that clustered into two major clades were broadly congruent in geographical distribution with the two ITS lineages, which was also supported by an analysis of molecular variance (AMOVA). Analysis of the spatial distribution of chlorotypes and coalescent simulation of chlorotype genealogies supported both an early Pleistocene origin of the two main cpDNA clades and the four-refugia hypothesis during the LGM. Two previous phylogeographic studies of QTP alpine plants indicated that such plants retreated to refugia at the eastern/south-eastern plateau edge during the LGM and/or previous glacial maxima. However, the results for A. gymnandrum suggest that at least some of these cold tolerant species may have also survived centrally on the QTP platform throughout the Quaternary.
Data from: Demography and speciation history of the homoploid hybrid pine Pinus densata on the Tibetan Plateau
Pinus densata is an ecologically successful homoploid hybrid that inhabits vast areas of heterogeneous terrain on the southeastern Tibetan Plateau as a result of multiple waves of colonization. Its region of origin, route of colonization onto the plateau and the directions of introgression with its parental species have previously been defined, but little is known about the isolation and divergence history of its populations. In this study, we surveyed nucleotide polymorphism over eight nuclear loci in 19 representative populations of P. densata and its parental species. Using this information and coalescence simulations, we assessed the historical changes in its population size, gene flow, and divergence in time and space. The results indicate a late Miocene origin for P. densata associated with the recent uplift of southeastern Tibet. The subsequent differentiation between geographical regions of this species began in the late Pliocene and was induced by regional topographic changes and Pleistocene glaciations. The ancestral P. densata population had a large effective population size but the central and western populations were established by limited founders, suggesting that there were severe bottlenecks during the westward migration out of the ancestral hybrid zone. After separating from their ancestral populations, population expansion occurred in all geographic regions especially in the western range. Gene flow in P. densata was restricted to geographically neighboring populations, resulting in significant differentiation between regional groups. The new information on the divergence and demographic history of P. densata reported herein enhances our understanding of its speciation process on the Tibetan Plateau.
Data from: History and evolution of alpine plants endemic to the Qinghai-Tibetan Plateau: Aconitum gymnandrum (Ranunculaceae)
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Data from: Extinction vs. rapid radiation: the juxtaposed evolutionary histories of coelotine spiders support the Eocene–Oligocene orogenesis of the Tibetan Plateau
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Data from: Demography and speciation history of the homoploid hybrid pine Pinus densata on the Tibetan Plateau
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Evolutionary history of zoogeographical regions surrounding the Tibetan Plateau
<p>The Tibetan Plateau (TP) and surrounding regions have one of the most complex biotas on Earth. However, the evolutionary history of these regions in deep time is poorly understood. In this study, we quantified the temporal changes in beta dissimilarities among zoogeographical regions during the Cenozoic using 4,966 extant terrestrial vertebrates and 1,278 extinct mammal genera. We identified ten present-day zoogeographical regions and found that they underwent a striking change over time. Specifically, the fauna on the TP was close to the Oriental realm in deep time, while it became more similar to the Palearctic realms towards the present day. The present-day zoogeographical regions generally emerged during the Miocene/Pliocene boundary (<i>ca</i>. 5 Ma). These results indicate that geological events such as the Indo-Asian Collision, the TP uplift, and the aridification of the Asian interior underpinned the evolutionary history of the zoogeographical regions surrounding the TP over different time periods.</p>
Evolutionary history of zoogeographical regions surrounding the Tibetan Plateau
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Differentiated Demographic Histories and Local Adaptations between Sherpas and Tibetans
GEO Series GSE93037. Homo sapiens. 83 samples. Type: Genome variation profiling by SNP array; SNP genotyping by SNP array.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.