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496 results for “Tibetan Plateau”
FIGURE 16 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 16. Palearctic distribution of Tonnacypris stewarti, from Estonia to Mongolia. For references see text about geographical distribution. On the map, the populations are differentiated into asexual (just females; white circle) and sexual (females and males; black and white circle).
FIGURE 13 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 13. Valves of the first stages of development of T. stewarti from Nam Co (reference-ID NC18-S-37). They show a striated pattern on the surface of the valves. Right valve of juvenile A-5 and a close-up of center-dorsal of the valve (A). Right and left valves of juvenile A-6. Right and left valves of juvenile stage A-7, with a detail of the surface of the left valve (B). Arrow points to anterior.
FIGURE 10 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 10. Hemipenis and female genital lobes of T. stewarti from: A) Mang-tsa, Tibetan Plateau (TP) (reference-ID HNHM- IV-369, Daday 1908); B) Lake Band-e Amir, Afghanistan (reference-ID ZMH-27716, Hartmann 1964); and C) near Linzhi, TP (modified from Peng et al. 2021). Dorsal lobe (dl), lateral shield (ls), and medial shield (ms). Female genital lobes from: D) Mang-tsa, TP (reference-ID HNHM-IV-369); E) Lake Band-e Amir, Afghanistan (reference-ID ZMH-27716); F) Nam Co, TP (reference-ID NC-18-S-37); G) Peat near Taro Co, TP (reference-ID TIP11-105). The arrows indicates the intersection or a hook.
FIGURE 7 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 7. Tonnacypris stewarti (= E. afghanistanensis), male from Lake Band-e Amir, Afghanistan (reference-ID ZMHK27716). A) left A1, exterior view; B) right A2, interior view; C) right Md-coxa, exterior view; D) right Md-palp, interior view; E) upper lip and rake-like organ, F) right Mx1, interior view. (See Broodbakker & Danielopol (1982) for chaetotaxy.)
FIGURE 5 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 5. Tonnacypris stewarti, female from Nam Co (reference-ID NC18-S-37). A) left A1, exterior view; B) left A2, interior view; C) left Md coxa, exterior view; D) left Md-palp, interior view; E) upper lip; F) rake-like organ; G) right Mx1 with vibratory branchial plate, interior view. (See Broodbakker & Danielopol (1982) for chaetotaxy.)
FIGURE 4 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 4. Left valves of two individuals from Nam Co (A1‒A3) (reference-ID NC18-S-37). A2 and A4 indicate the inconspicuous anteroventral peg of each one. Left and right valves from Tangra Yum Co, TP (B1‒B2) (reference-ID TIP11-29); left valve of a female from Lake Band-e Amir, Afghanistan (C1) (reference-ID ZMH-K27716), with a close-up of anteroventral part (C2).
FIGURE 6 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 6. Tonnacypris stewarti, female from Nam Co (reference-ID NC18-S-37). A) left T1, exterior view; B) left T2, exterior view; C) left T3, exterior view; D) right CR with attachment and the female genital lobes. (See Broodbakker & Danielopol (1982) for chaetotaxy.)
FIGURE 3 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 3. Valve images of Tonnacypris stewarti (f = female, m = male): (A1) exterior view of left valve (LV) and (A2) right valve (RV); interior view (A3‒A4) of a female from Nam Co (reference-ID NC18-S-37). Exterior view of LV (B1) and RV (B2) of a female; interior view of RV (B3) and LV (B4) of male from Mang-tsa, Tibetan Plateau (TP) (Daday 1908; reference-ID HNHM-IV-369). Arrows above Figures A1‒A2 and B1‒B2 point to anterior end of the valve. Exterior view of LV (C1) and RV (C2); interior view (C3‒C4) of a female; exterior view of LV (D1) and RV (D2); interior view (D3‒D4) of a male from Lake Band-e Amir, Afghanistan (Hartmann 1964; reference-ID ZMH-K27716). (E1) shows the marginal pore canals in the anteroventral side in the right valve, and (E2) denotes the scars on the dorsal part of the left valve of T. stewarti.
FIGURE 1 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 1. Chronological overview of descriptions and synonyms for Tonnacypris stewarti since 1908. The green rectangle designates living specimens with preserved soft anatomical structures. The incorporation of two asterisks (*) further signifies the inclusion of male specimens exhibiting soft anatomical structures. The gray rectangle denotes scrutinized fossil and subfossil specimens.
FIGURE 2. Study area. A in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 2. Study area. A) Location of Nam Co on the Tibetan Plateau, and B) sampling sites according to the habitat type and abundances (living and sub-fossil organism (2 valves = 1 organism) per gram wet weight, org/g wet) of Tonnacypris stewarti (Daday 1908) in Nam Co. Abundance distribution was categorized into three distinct patterns: a complete circle (indicating low abundance), a cross-circle (indicating medium abundance), and a circle with a central line (indicating higher abundance). Sample numbers correspond to Table 2. The elevation bar corresponds to map B. Source: Esri, Maxar, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community.
FIGURE 12 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 12. Valves of an adult and juveniles (A-1 to A-4) of Tonnacypris stewarti from Nam Co (reference-ID NC18-S-37). Arrow points to anterior.
FIGURE 9 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 9. Tonnacypris stewarti (= E. afghanistanensis); male from Lake Band-e Amir, Afghanistan (reference-ID ZMHK27716; Hartmann 1964), A) T1, B) Zenker organ, and C1–C2) hemipenis of male. Abbreviations: dorsal lobe (dl), lateral shield (ls), and medial shield (ms).
FIGURE 15. A in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 15. A) Classification of samples according to associated environmental factors (water depth, electrical conductivity, water temperature, and pH). Group A contains samples from the open lake, group B those from shallow waters, open lagoons and embayments, group C those from rivers and confined lagoons. B) The boxplots below the dendrogram show mean values (x) and variance of Tonnacypris stewarti abundance within the three groups of habitat types. For means and ranges of environmental factors see Table 5.
FIGURE 11 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 11. Carapace ontogeny of Tonnacypris stewarti (Daday 1908) from Nam Co (reference-ID NC18-S-37), measures in length and height of (A) right valves (RV) n = 284 and (B) left valves (LV) n = 277 clearly show the different developmental stages. The histograms show the abundances of the different stages with the scatter plot (juveniles A-7 to adults).
FIGURE 8 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 8. Tonnacypris stewarti (= E. afghanistanensis), male from Lake Band-e Amir, Afghanistan (reference-ID ZMHK27716). A) right T1, interior view; B) left T1, exterior view; C) left T2, exterior view; D) right T3, interior view; E) CR with attachment; F) hemipenis; and G) Zenker organ. (See Broodbakker & Danielopol (1982) for chaetotaxy.)
FIGURE 14 in Taxonomy, ontogeny, and ecology of Tonnacypris stewarti (Daday 1908) comb. nov. (Ostracoda: Cyprididae) from Nam Co, Tibetan Plateau
FIGURE 14. Total abundance of T. stewarti from Nam Co, including both living and subfossil specimens. Bold values indicate percentages, while absolute abundance is presented within parentheses. Valve categorization includes juveniles (A-7 to A-1) and adults. Sample differentiation is based on habitat type: river, lagoon, and lake. Adult specimens are represented by the gray bar, and juvenile specimens by the black bar. (Sample codes correspond to those listed in Table 1.)
A 40-year moisture source data for Tibetan Plateau precipitation using a 3D Lagrangian approach
<p>This repository contains the dataset that reproduces the work by Cheng et al. (2024). The zip files contain data in netCDF format. They consist of</p> <ol> <li>Data of Figures 1-5 in the article (Cheng et al. 2024)</li> <li>Moisture sources of precipitation in the Tibetan Plateau (TP) <ul> <li><code>TP_moisture_source_1971-2010.nc</code>: Global map (lon,lat,time) of 40 years of moisture source (mm/day) contributing to the TP precipitation based on the FLEXPART-WaterSip approach</li> <li><code>SR_1971-2010_TP_grids_1x1_XXX.nc</code>: Fractional contributions of different circulation regimes to each of 302 1˚x1˚ grids on the TP</li> </ul> </li> <li>Multi-product ensemble mean precipitation and evapotranspiration</li> <li>Boundary data of TP river basins used in the study</li> </ol> <p>For any enquiries, feel free to contact Dr. Tat Fan (Franklin) Cheng at <a href="mailto:franklin.cheng@ust.hk">franklin.cheng@ust.hk</a>. Please cite our two recent articles if you found the dataset useful. Thank you!</p> <p><strong>References</strong></p> <blockquote> <p>Cheng, T. F., Chen, D., Wang, B., Ou, T. & Lu, M. (2024). Human-induced warming accelerates local evapotranspiration and precipitation recycling over the Tibetan Plateau. <em>Commun Earth Environ </em>5, 388. <a href="https://doi.org/10.1038/s43247-024-01563-9">https://doi.org/10.1038/s43247-024-01563-9</a> </p> <p>Cheng, T. F., & Lu, M. (2023). Global Lagrangian Tracking of Continental Precipitation Recycling, Footprints, and Cascades. <em>Journal of Climate</em>, 36, 1923–1941. <a href="https://doi.org/10.1175/JCLI-D-22-0185.1">https://doi.org/10.1175/JCLI-D-22-0185.1 </a></p> </blockquote>
flood modeling datas for Catastrophic outburst floods along the middle Yarlung Tsangpo River: responses to coupled fault and glacial activity on the southern Tibetan Plateau
Open the record for dataset details and reuse information.
Organic carbon burial in lakes on the Tibetan Plateau
<ol> <li>Supporting information_table s1.docx: Lakes information of the Qinghai-Tibet Plateau</li> <li>Supporting information_table s3.xlsx: Sediment focusing factors based on the regional atmospheric flux of 210Pb were collected from literatures</li> <li>car_tbp.zip: the spatial prediction result of organic carbon burial in lakes on the Tibetan Plateau.</li> </ol> <p>Header description for "car_tbp.shp" </p> <p>LakeID ------------- Unique waterbody identifier <br>Lon ------------- Lake longitude (°)<br>Lat ------------- Lake latitude (°)<br>Area ------------- Lake area (km2)<br>CAR --------------The carbon accumulation rate of the lake (gC m-2 yr-1)<br>OC --------------The annual carbon burial rate of the lake (Mg C yr-1)<br>---------------------------------------------------------------------------------------------------------------------------<br>The LakeID, Lon and Lat were obatined from a dataset of lake-catchment characteristics over the TBP (Liu et al., 2022, ESSD)</p> <p> </p> <p> </p>
Metagenomic insights into microbial community structure and metabolism in alpine permafrost on the Tibetan Plateau
<h1>Microbes in Tibetan permafrost</h1> <p> </p> <blockquote> <p>This project repository associated with the following manuscript:</p> </blockquote> <ul> <li>Luyao Kang, Yutong Song, Rachel Mackelprang, Dianye Zhang, Shuqi Qin, Leiyi Chen, Linwei Wu, Yunfeng Peng and Yuanhe Yang*. Metagenomic insights into microbial community structure and metabolism in alpine permafrost on the Tibetan Plateau.</li> </ul> <h2>Abstract</h2> <p><span> Permafrost, characterized by its frozen soil, serves as a unique habitat for diverse microorganisms. Understanding these microbial communities is crucial for predicting the response of permafrost ecosystems to climate change. However, large-scale evidence regarding stratigraphic variations in microbial profiles remains limited. Here, we analyze microbial community structure and functional potential based on 16S <em>rRNA</em> gene amplicon sequencing and metagenomic data obtained from a </span><span>∼</span><span>1,000 km permafrost transect on the Tibetan Plateau. We find that microbial alpha diversity declines but beta diversity increases down the soil profile. Microbial assemblages are primarily governed by dispersal limitation and drift; the importance of drift decreases but that of dispersal limitation increases with soil depth. Moreover, genes related to reduction reactions (<em>e.g.</em>, ferric iron reduction, dissimilatory nitrate reduction, and denitrification) are enriched in the subsurface and permafrost layers. In addition, microbial groups involved in alternative electron accepting processes are more diverse and contribute highly to community-level metabolic profiles in the subsurface and permafrost layers, likely reflecting the lower redox potential and more complicated trophic strategies for microorganisms in deeper soils. Overall, these findings provide comprehensive insights into large-scale stratigraphic profiles of microbial community structure and functional potentials in permafrost regions.</span></p> <p> For the description of the files, please see README.md file.</p>
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