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101 results for “Qinghai-Tibetan Plateau”
Figure 2 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 2. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Head, lateral view; (B) Right antenna 1, lateral view; (C) Right antenna 2, lateral view; (D) Upper lip, dorsal view; (E) Lower lip, dorsal view; (F) Left mandible, mesial view; (G) Right mandible, mesial view. Scale bars: 1.0 mm.
Figure 6 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 6. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Right pereopod 3, lateral view; (B) Right pereopod 4, lateral view; (C) Right pereopod 5, lateral view; (D) Right pereopod 6, lateral view; (E) Right pereopod 7, lateral view. Scale bars: 1.0 mm.
Figure 5 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 5. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Right gnathopod 2, lateral view; (B) Left gnathopod 2, mesial view. Scale bars: 1.0 mm.
Figures 19–20 in Two new species of Eryciini (Diptera: Tachinidae) from the Eastern edge of the Qinghai-Tibetan Plateau, China
Figures 19–20. Lydella gannanensis sp. nov., male terminalia. 19. Lateral view. 20. Caudal view.
Figures 9–10 in Two new species of Eryciini (Diptera: Tachinidae) from the Eastern edge of the Qinghai-Tibetan Plateau, China
Figures 9–10. Drino latifrons sp. nov., male terminalia. 9. Lateral view. 10. Caudal view.
Data from: Extensive sympatry and frequent hybridization of ecologically divergent aquatic plants on the Qinghai-Tibetan Plateau
<p><span>Hybridization has fascinated biologists in recent centuries for its evolutionary importance, especially in plants. Hybrid zones </span><span>are </span><span>commonly located in regions across environmental gradients due to more opportunities to contact and ecological heterogeneity. For aquatic taxa, intrazonal character makes broad </span><span>overlapping</span><span> regions in intermediate environments between related species. However, we have limited information on the hybridization pattern of aquatic taxa in </span><span>alpines, especially submerged macrophytes</span><span>. In this study, we aimed to test the hypotheses that niche overlap and hybridization might be extensive in related aquatic plants across an altitudinal gradient. We evaluated the niche overlap in three related species pairs on the Qinghai-Tibetan Plateau and assessed the spatial pattern of hybrid populations. Obvious niche overlap and common hybridization were revealed in all three pairs of related aquatic plants. The plateau edge and river basins were broad areas for the sympatry of divergent taxa, where a large proportion of hybrid populations occurred. Hybrids are also discretely distributed in diverse habitats on the plateau. Differences in the extent of niche overlap, genetic incompatibility and phylogeographic history might lead to variations in hybridization patterns among the three species pairs. Our results suggested that plateau </span><span>areas are</span><span> a hotspot for ecologically divergent aquatic species to contact and mate and implied that hybridization may be important for the freshwater biodiversity of highlands.</span></p>
CH4 and CO2 dataset for the Qinghai-Tibetan Plateau rivers
<p>This dataset is a collection of direct field measurement values of CH4 and CO2 concentrations and fluxes from the Qinghai-Tibetan Plateau rivers.</p>
Fig. 5 in Description of a gynander of Colletes hedini (Hymenoptera: Colletidae) from the Qinghai-Tibetan Plateau, China: the first record of gynandromorphism for the genus after 30 years
Fig. 5. Neighbor-joining tree based on DNA barcode sequence data showing the placement
Fig. 4 in Description of a gynander of Colletes hedini (Hymenoptera: Colletidae) from the Qinghai-Tibetan Plateau, China: the first record of gynandromorphism for the genus after 30 years
Fig. 4. Male of Colletes fulvicornis. A – habitus, lateral view; B – head, frontal view; C –
Fig. 3 in Description of a gynander of Colletes hedini (Hymenoptera: Colletidae) from the Qinghai-Tibetan Plateau, China: the first record of gynandromorphism for the genus after 30 years
Fig. 3. Metasomal sterna and male terminalia of the gynander of Colletes hedini. A –
Fig. 1 in Description of a gynander of Colletes hedini (Hymenoptera: Colletidae) from the Qinghai-Tibetan Plateau, China: the first record of gynandromorphism for the genus after 30 years
Fig. 1. Habitus of the gynander of Colletes hedini. A – right side of the body, lateral
Exome sequencing of a hybrid pine species complex on the Qinghai-Tibetan Plateau
<p>This study investigates the evolutionary history of <em>Pinus</em> <em>densata</em> on the Qinghai-Tibetan Plateau (QTP) and genomic heterogeneity across a zone of species transition to understand contemporary dynamics of selection and evolution of species barriers. We analyzed the genetic diversity in a range-wide collection of <em>P. densata</em> and representative populations of its progenitors <em>P. tabuliformis</em> and <em>P. yunnanensis</em> using 40,000 exome probe capture sequencing.</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: Extensive sympatry and frequent hybridization of ecologically divergent aquatic plants on the Qinghai-Tibetan Plateau
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Data from: Examining differences in phylogenetic composition enhances understanding of the phylogenetic structure of the shrub community in the northeastern Qinghai-Tibetan Plateau
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Plant biomass in three subalpine grasslands on Qinghai-Tibetan Plateau
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Exome sequencing of a hybrid pine species complex on the Qinghai-Tibetan Plateau
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Data from: Morphological constraints on plant-mediated methane release and oxidation under experimental warming in a peatland and meadow on the Qinghai-Tibetan Plateau
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Data from: Plants are more likely to be spiny at mid-elevations in the Qinghai-Tibetan Plateau, south-western China
Aim: We tested the elevational herbivory defence hypothesis, which predicts that plants from low elevations are better defended than plants from higher elevations. Location: The Qinghai-Tibetan Plateau in south-western China - the world's highest plateau. Major taxa studied: Angiosperms. Methods: We collated binary spinescence data for 10,622 angiosperm species ranging from 600 to 6,000 m a.s.l. Logistic regression was used to quantify the elevational pattern in spinescence. Because spinescence is thought to be especially effective against mammalian herbivores, we also quantified the association between spinescence and mammalian herbivore richness. Results: We found a unimodal relationship between elevation and spinescence, with the highest proportion of spinescent species occurring at mid-elevations. This unimodal relationship was present in perennial herbs, shrubs and trees, but not in annual herbs. Herbivorous mammal richness also showed a unimodal elevational pattern. A positive association between herbivorous mammal richness and the incidence of spinescent species suggests that elevational variation in herbivore pressure from mammals might drive elevational variation in spinescence. Main conclusions: Our findings further call into question the elevational herbivory defence hypothesis and shed new light on the potential causes of elevational gradients in plant diversity.
Phenological changes offset the warming effects on biomass production in an alpine meadow on the Qinghai-Tibetan Plateau
<p>1. Phenology is an important indicator of plant response to environmental changes and is closely correlated with biomass production. However, how changes of phenological events affect plant biomass production when exposed to changing temperature and precipitation remains unclear.</p> <p>2. We conducted a four-year manipulative experiment of warming and precipitation addition to explore phenology-biomass interactions under climate change in a dry alpine meadow on the central Qinghai-Tibetan Plateau from 2015 to 2018.</p> <p>3. In dry and warm years, warming delayed phenology and precipitation addition advanced them. Warming decreased biomass of Kobresia pygmaea in 2018 and biomass of Poa pratensis in 2015, 2017 and 2018. However, precipitation addition significantly increased the biomass of Poa pratensis and Potentilla multifida in most of the experimental years. Phenological changes regulated the responses of biomass to treatments. Specifically, delay of green up of P. pratensis and delay of withering of K. pygmaea induced by warming can increase biomass production, but it can be offset by the direct negative effects of warming on biomass.</p> <p>4. Synthesis. Here we show how warming induced drought tend to decrease biomass production of graminoids and the negative effects of warming on biomass of P. pratensis and K. pygmaea were partially offset by green up postponement and withering postponement, respectively. Our results highlights phenology is a crucial regulator for biomass production under climate change. Hence, both direct and indirect effects of warming and precipitation addition on phenology and biomass cannot be ignored when predicting biomass responses to climate change.</p>
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Allen Brain Atlas
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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
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