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115 results for “The Qinghai-Tibet plateau”
Coarse-scale soil moisture products over Qinghai-Tibet Plateau
<p>This dataset provides three coarse-scale satellite soil moisture products including SMOS-IC, SMAP L3, and AMSR2 LPRM, covering the period from July to August between 2016 and 2018. All these files have been processed through the following steps, including quality control, file format conversion, ascending and descending averaging, projection, resampling, and clipping based on the boundary of the Qinghai Tibet Plateau.</p>
Contrasting population genomic differentiation in two sympatric Triplophysa loaches on the Qinghai-Tibet Plateau
<p><span>Under global climate change, the Qinghai-Tibet</span><span> Plateau</span> <span>(QTP) has experienced dramatic environmental changes, including salinity changes of water bodies, which may threaten the biodiversity of aquatic organisms on the 'roof of the world'. The Tibetan loaches (the genus <em>Triplophysa</em>) are the largest component of the QTP ichthyofauna. Here we compared the population structure and adaptive mechanisms to salinity of two sympatric Tibetan loach species, <em>T. stewarti</em> and <em>T. stenura</em>, using population genomics methods. Using both the 'common' and 'individual' SNP datasets of seven populations from five localities of the two species, we found out that the two species showed entirely different patterns of population differentiation, with <em>T. stewarti</em> populations deeply diverged and <em>T. stenura</em> populations mixed. We identified a catalogue of candidate genes possibly involved in salinity acclimatation of the two species using both unsupervised and supervised population differentiation methods. In this section, a new approach - linkage disequilibrium (LD) graph learning - was developed and utilized to identify clusters of loci showing similar genetic differentiation patterns. However, we found limited parallel adaptive signals to salinity of the two species using these methods. Our findings broaden our understandings of the population characteristics and adaptive mechanisms of these previously underexplored Tibetan loach species, and will play a role in the biodiversity protection of <em>Triplophysa</em> species on the QTP.</span></p>
Fig. 6 in Cryptic and repeated "allopolyploid" speciation within Allium przewalskianum Regel. (Alliaceae) from the Qinghai-Tibet Plateau
Fig. 6 Origin of different tetraploid groups in A. przewalskianum inferred from AFLP, ITS, and CHS phylogenetic analyses. a A hypothesized origin of different tetraploid groups; b distributional patterns of tetraploid groups and differentiated diploid groups
Fig. 5 a in Cryptic and repeated "allopolyploid" speciation within Allium przewalskianum Regel. (Alliaceae) from the Qinghai-Tibet Plateau
Fig. 5 a Predicted distributions of the northern tetraploid group (NTP), the diploid populations (DP), and the southern tetraploid group (STP) of A. przewalskianum based on ecological niche modeling using MaxEnt. Predicted distributions are shown for (1) the present time, (2) at the LGM
FIGURE 2 in A new species of Ptilagrostis (Stipeae, Poaceae) from Qinghai-Tibet Plateau
FIGURE 2. Ptilagrostis arcuata: A–B. habitat; C. habit; D. panicle; E. basal leaves; F. base of panicle (without bracts); G. floret (arcuate awn); R. chromosomes; S. karyotype. P. concinna: H. habit; I. panicle; J. basal leaves; K. base of panicle (with membranous bracts); L. floret (unigeniculate awn); P. junatovii: M. habit; N. panicle; O. basal leaves; P. base of panicle (without bracts); Q. floret (unigeniculate awn). Bars in G, L, Q represent 5 mm; in E, J, O represent 1 mm; in R, S represent 5 μm.
FIGURE 1. Ptilagrostis arcuata. A in A new species of Ptilagrostis (Stipeae, Poaceae) from Qinghai-Tibet Plateau
FIGURE 1. Ptilagrostis arcuata. A. habit; B. ligule; C. base of the panicle (without bract); D. spikelet; E. glume; F. lower glume; G. upper glume; H. floret. Drawn by Ms. Zhi-Juan Chen based on the type (Z. S. Zhang & L. L. Li 217).
FIGURE 2 in Achnatherum pilosum (Stipeae, Poaceae), a new species from Qinghai-Tibet Plateau
FIGURE 2. Achnatherum pilosum (Zhang 2379, PE): A. Habitat; B. Habit; C. Panicles of A. pilosum, A. inaequiglume, A. inebrians, A. psilantherum, and A. saposhnikovii (from left to right); D. Glumes and floret; I. Lemma and proximal part of the awn; N. Anthers; S. Lemma epidermal pattern, scanning electron microscope micrograph; T. Chromosome number, mitotic metaphase. A. inaequiglume (Zhang 1303, PE): E. Glumes and floret; J. Lemma and proximal part of the awn; O. Anthers; A. inebrians (Zhang 2353, PE): F. Glumes and floret; K. Lemma and proximal part of the awn; P. Anthers; A. psilantherum (Zhang 2509, PE): G. Glumes and floret; L. Lemma and proximal part of the awn; Q. Anthers; A. saposhnikovii (Zhang 347, PE): H. Glumes and floret; M. Lemma and proximal part of the awn; R. Anthers. Scale bars: C = 5 cm; D–M = 2 mm; N–R = 1 mm; S = 10 μm; T = 5 μm.
FIGURE 1 in Achnatherum pilosum (Stipeae, Poaceae), a new species from Qinghai-Tibet Plateau
FIGURE 1. Achnatherum pilosum: A. Habit; B. Ligule; C. Glumes; D. Floret; E. Lemma, dorsal view; F. Floret, lateral view; G. Lemma, ventral view; H. Palea, dorsal view; I. Palea, ventral view; J. Lodicules; K. Anthers; L. Caryopsis, dorsal view, showing the embryo. Scale bars: A = 1 cm; B–L = 1 mm. Drawn by Mr. Zhong-Shuai Zhang (based on Zhang 2379).
FIGURE 1 in A new species of Pertusaria (Pertusariaceae, Ascomycota) from Qinghai-Tibet Plateau of China
FIGURE 1. Pertusaria tibetensis (G.Y. Han 20073197). A. Morphology (bar = 1 mm); B. Apothecia (bar = 1 mm).C. Ascus (bar = 50 μm); D. Ascospore (bar = 50 μm).
Effects of experimental warming on vegetative and reproductive characters of P. viviparaum in the Qinghai-Tibet Plateau
<p>This dataset contains data from a simulated warming experiment described in the paper: "Zhang, C., Li, XT., and An, YM. Effects of experimental warming on vegetative and reproductive growth of <em>Polygonum viviparaum</em> in the Qinghai-Tibet Plateau. Nordic Journal of Botany. DOI: 10.1111/njb.03157". </p> <p>The experiment investigated <i>Polygonum viviparaum</i>, a perennial herb distributed widely in arctic and alpine regions, under two different levels of experimental warming treatments to examine effects of warming on its vegetative and reproductive growth. Two types of open top chambers (OTCs), large and small, were used to generate lower and higher warming levels.</p> <p>The dataset consists of the vegetative and reproductive characters of <i>P. viviparaum</i> in control plots, large OTCs and small OTCs. The characters include plant height, leaf number, length of the longest leaf, flower diameter, bulbil length, number of flowers per spike, number of bulbils per spike, flower proportion, dry weight of stem and leaves, dry weight of flowers per spike, dry weight of bulbils per spike, reproductive allocation and bulbil germination rate.</p> <p>Main results of the experiment are that (1) the increased temperature promoted both vegetative and reproductive growth of <em>P. viviparaum</em>, but there was a significant trade-off between them. Decreased reproductive allocation under warming suggested that more available resources were devoted to vegetative growth, resulting in increased plant height, leaf number and length of the longest leaf; (2) After warming, the number and dry weight of flowers per spike decreased while the number and dry weight of bulbils per spike increased, indicating more investment to asexual reproduction over sexual reproduction in <em>P. viviparaum</em>; (3) The increase of warming further strengthened the above variation trends of vegetative and reproductive growth of <em>P. viviparaum</em>.</p>
Plant community assembly of alpine meadow at different altitudes in Northeast Qinghai-Tibet Plateau
<p>Plant community assembly of alpine meadow at different altitudes in Northeast Qinghai-Tibet Plateau related raw data include 3 files: All Species Name, Calculated trait NFI, Pedigree chart. </p>
FIGURE 2. Stipa baxoiensis and allied species. A in Stipa baxoiensis (Stipeae, Poaceae), a new species from Qinghai-Tibet Plateau, China
FIGURE 2. Stipa baxoiensis and allied species. A: Holotype of S. baxoiensis; B: Distribution map; C: Panicles; D: Leaf blades; E: Glumes, florets, middle awn segment. C–E: From left to right are S. baxoiensis, S. subsessiliflora and S. penicillata var. hirsuta.
FIGURE 1. Stipa baxoiensis. A in Stipa baxoiensis (Stipeae, Poaceae), a new species from Qinghai-Tibet Plateau, China
FIGURE 1. Stipa baxoiensis. A. Habitat; B. Habit; C. Leaf blades; D. Roots; E. Ligule and parts of leaf sheath and blade; F. Anthers and part of spikelets; G. Glumes and floret; H. Lemma and callus; I. Palea.
Effects of experimental warming on vegetative and reproductive characters of P. viviparaum in the Qinghai-Tibet Plateau
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Data from: A population genetics perspective on the evolutionary histories of three clonal, endemic, and dominant grass species of the Qinghai-Tibet Plateau: Orinus (Poaceae)
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Data from: Diploid hybrid origin of Ostryopsis intermedia (Betulaceae) in the Qinghai-Tibet Plateau triggered by Quaternary climate change
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Data from: Comparative phylogeography of the plateau zokor (Eospalax baileyi) and its host-associated flea (Neopsylla paranoma) in the Qinghai-Tibet Plateau
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Data from: Pliocene intraspecific divergence and Plio-Pleistocene range expansions within Picea likiangensis (Lijiang spruce), a dominant forest tree of the Qinghai-Tibet Plateau
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Data from: Species divergence and maintenance of species cohesion of three closely related Primula species in the Qinghai-Tibet Plateau
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Contrasting population genomic differentiation in two sympatric Triplophysa loaches on the Qinghai-Tibet Plateau
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.