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1,219 results for “Sand”
Subspecies and Distribution. G.c.cheesmaniThomas,1919—IraqandKuwait. G.c.arduusCheesman&Hinton,1924—ArabianPeninsula(Jordan,SaudiArabia,Qatar,Yemen,UnitedArabEmirates,andOman). G. c. maritimus Sanborn & Hoogstraal, 1953 — littoral sand desert of W & S Yemen. Also present in S Iran, but subspecies involved not known. in Muridae
Subspecies and Distribution. G.c.cheesmaniThomas,1919—IraqandKuwait. G.c.arduusCheesman&Hinton,1924—ArabianPeninsula(Jordan,SaudiArabia,Qatar,Yemen,UnitedArabEmirates,andOman). G. c. maritimus Sanborn & Hoogstraal, 1953 — littoral sand desert of W & S Yemen. Also present in S Iran, but subspecies involved not known.
FIGURES 13–16 in Two new species of Plagiostriata (Bacillariophyaceae) from sand sediments of southern China
FIGURES 13–16. LM micrographs of P. pingtanensis sp. nov. from type material. Fig. 13 corresponds to the holotype. Scale bars = 5 μm.
FIGURES 17–23 in Two new species of Plagiostriata (Bacillariophyaceae) from sand sediments of southern China
FIGURES 17–23. Plagiostriata pingtanensis sp. nov. from type material, SEM. 17. External view of the valve with a rimoportula (arrow). 18. Central area of a valve with a rimoportula. 19. External views of the valve with no rimoportula. 20. Internal views of the valve with no rimoportula. 21. Internal views of the valve with a rimoportula (arrow). 22. Girdle view of P. pingtanensis sp. nov., composed of three bands. 23. Apical fields of the internal valve. Scale bars = 1 μm (Figs. 17, 19–21, 23), 0.5 μm (Figs. 18, 23).
FIGURES 5–12 in Two new species of Plagiostriata (Bacillariophyaceae) from sand sediments of southern China
FIGURES 5–12. Plagiostriata xiapuensis sp. nov from type material, SEM. 5–7. External views of the valve with a rimoportula (arrow). 8. Apical fields of the external valve. 9. Central area of a valve with no rimoportula. 10. Apical fields of the internal valve. Areolae round, occluded by simple vola (arrows). 11, 12. Internal views of the valve with a rimoportula (arrow). Scale bars = 1 μm (Figs. 5–7, 9, 11, 12), 0.2 μm (Figs. 8, 10).
FIGURES 1–4 in Two new species of Plagiostriata (Bacillariophyaceae) from sand sediments of southern China
FIGURES 1–4. LM micrographs of Plagiostriata xiapuensis sp. nov. from type material. Fig. 1 corresponds to the holotype. Scale bars = 10 μm.
FIGURE. Landscapes and vegetation types at Quiçama National Park. A. Wooded savannah with Adansonia digitata. B. Mosaic of wooded savannah and thicket. C. Grassy savannah. D. Slope with thicket. E. Grassy savanna with Setaria welwitschi. F. Wooded savannah. G. Cuanza River shores with herbaceous vegetation. H. Herbaceous vegetation on the banks of the Cuanza River and slope with open forest. I. Coastal sands. J. Mangrove at the Cuanza River estuary, with Rhizophora racemosa. (Photographs by the authors). in An annotated checklist of the vascular flora of Quiçama National Park, Angola
FIGURE. Landscapes and vegetation types at Quiçama National Park. A. Wooded savannah with Adansonia digitata. B. Mosaic of wooded savannah and thicket. C. Grassy savannah. D. Slope with thicket. E. Grassy savanna with Setaria welwitschi. F. Wooded savannah. G. Cuanza River shores with herbaceous vegetation. H. Herbaceous vegetation on the banks of the Cuanza River and slope with open forest. I. Coastal sands. J. Mangrove at the Cuanza River estuary, with Rhizophora racemosa. (Photographs by the authors).
Supplementary material 1 from: Bravo-Barriga D, Ruiz-Arrondo I, Peña RE, Lucientes J, Delacour-Estrella S (2022) Phlebotomine sand flies (Diptera, Psychodidae) from Spain: an updated checklist and extended distributions. ZooKeys 1106: 81-99. https://doi.org/10.3897/zookeys.1106.81432
List of bibliographic references associated with the distribution of sand flies by province in Spain
Ecological impacts of unsustainable sand mining: Urgent lessons learned from a critically endangered freshwater cetacean
<p>Sand production, tripled in the last two decades, is an emerging concern for global biodiversity. However, the paucity of sand mining data worldwide prevents understanding the extent of sand mining impacts and how it affects wildlife populations and ecosystems, which is critical for timely mitigation and conservation actions. Integrating remote sensing and field surveys over fourteen years, we investigated mining impacts on the critically endangered Yangtze finless porpoise (<em>Neophocaena asiaeorientalis asiaeorientalis</em>) in Dongting Lake, China. We found that sand mining presented a consistent, widespread disturbance in Dongting Lake. The porpoise strongly avoided mining sites, especially the areas subjected to higher mining intensity. The extensive sand mining significantly contracted the porpoise's range and restricted their habitat use in the lake. Water traffic for sand transportation further blocked the species' river-lake movements, affecting the population connectivity. In addition, mining-induced loss of nearshore habitats, a critical foraging and nursery ground for the porpoise, occurred in nearly 70% of the water channels of our study region. Our findings provide the first empirical evidence on the impacts of unregulated sand extractions on species distribution. Our spatiotemporally explicit approach and findings can support regulation and conservation, yielding broader implications for sustainable sand mining worldwide.</p> <p>This dataset contains (1) sand mining information from 2006–2019 in Dongting Lake, (2) data of porpoise distributions from nine range-wide surveys from 2006–2019, (3) water traffic information at the outlet channel of Dongting Lake from 2001–2019, (4) data of the lake morphology from 2006–2019, (5) codes for all data analyses.</p>
Sand statue Buddha Phayao craftman Big size 03
Sand statue Buddha Phayao craftman Big size 03 Source: Objaverse 1.0 / Sketchfab
Sand Painting Project Model
Source: Objaverse 1.0 / Sketchfab
Blaschka Glass Model of a Sand Mason Worm
Micro CT scan of a Blaschka model of a sand mason worm (Lanice conchilega) from the D'Arcy Thompson Zoology Museum at the University of Dundee. DUNUC 9322 - glass model of Polychaete worm - Terebella conchilega (sand mason worm, aka Lanice conchilega). Length=13cm. D'Arcy Thompson acquired a set of Blaschka's exquistely delicate glass models in 1888. In Growth and Form, D'Arcy refers repeatedly to the art of the glass-blower, perhaps thinking of these very models. Scanned with a Nikon XT H 225ST micro CT scanner. The resulting file is exported as an stl. and imported in to Zbrush. We'd love to hear from you if you download or print our models, especially if you use them in education and outreach. Source: Objaverse 1.0 / Sketchfab
Blaschka Glass Model of a Sand Mason Worm
Micro CT scan of a Blaschka model of a sand mason worm (Lanice conchilega) from the D'Arcy Thompson Zoology Museum at the University of Dundee. DUNUC 9325 - glass model of Polychaete worm in its developmental stage - Terebella conchilega (sand mason worm, aka Lanice conchilega). Length=15cm. D'Arcy Thompson acquired a set of Blaschka's exquistely delicate glass models in 1888. In Growth and Form, D'Arcy refers repeatedly to the art of the glass-blower, perhaps thinking of these very models. Scanned with a Nikon XT H 225ST micro CT scanner. The resulting file is exported as an stl. and imported in to Zbrush. We'd love to hear from you if you download or print our models, especially if you use them in education and outreach. Source: Objaverse 1.0 / Sketchfab
Sande Society Helmet mask Bondo
Early 20th Century. Wood, shells, grass, rawhide Source: Objaverse 1.0 / Sketchfab
FIGURE 6 in Resolution of the types, diagnostic features, and distribution of two easily confused Sand Lizards, Pedioplanis laticeps (Smith, 1845) and P. burchelli (Duméril & Bibron, 1839) (Squamata: Lacertidae)
FIGURE 6. Life pictures of the two newly collected individuals of P. laticeps from Aussenkehr/Namibia: (A) adult female ZMB 82782, (B) adult male ZMB 82783.
FIGURE 5. Holotype BMNH 1946.8.7.82 in Resolution of the types, diagnostic features, and distribution of two easily confused Sand Lizards, Pedioplanis laticeps (Smith, 1845) and P. burchelli (Duméril & Bibron, 1839) (Squamata: Lacertidae)
FIGURE 5. Holotype BMNH 1946.8.7.82 (previously 65.5.4.39) of Eremias burchelli Duméril & Bibron, 1839: (A) original drawing of the whole individual modified from Plate 45: 1 (Smith 1845); (B) dorsal view of the museum voucher; (C) ventral view; (D) dorsal head; (E) original drawing of the dorsal head modified from Plate 48: 4 (Smith 1845); (F) ventral head; (G) lateral head left; (H) original drawing of the lateral head modified from Plate 48: 4a (Smith 1845); (I) lateral head right. Scale units 1 mm.
FIGURE 4. Holotype BMNH 1946.8.7.56 in Resolution of the types, diagnostic features, and distribution of two easily confused Sand Lizards, Pedioplanis laticeps (Smith, 1845) and P. burchelli (Duméril & Bibron, 1839) (Squamata: Lacertidae)
FIGURE 4. Holotype BMNH 1946.8.7.56 (previously 65.5.4.55) of Eremias laticeps Smith, 1845: (A) original drawing of the whole individual modified from Plate 46: 1 (Smith 1845); (B) dorsal view of the museum voucher; (C) ventral view; (D) dorsal head; (E) original drawing of the dorsal head modified from Plate 48: 3 (Smith 1845); (F) ventral head; (G) lateral head left; (H) original drawing of the lateral head modified from Plate 48: 3a (Smith 1845); (I) lateral head right. Scale units 1 mm.
FIGURE 2 in Resolution of the types, diagnostic features, and distribution of two easily confused Sand Lizards, Pedioplanis laticeps (Smith, 1845) and P. burchelli (Duméril & Bibron, 1839) (Squamata: Lacertidae)
FIGURE 2. Distribution of P. laticeps compiled from the museum collections of the Museum for Naturkunde Berlin, (Germany), Naturhistorisches Museum Wien (Austria), Ditsong National Museum of Natural History Pretoria, Port Elizabeth Museum, IZIKO South African Museum Cape Town (all South Africa), Natural History Museum London (Great Britain) and the National Museum of Namibia in Windhoek (black dots) including the new record from near Aussenkehr (star). Points are underlain with the altitude level (downloaded from www.worldclim.org) ascending from light grey (sea level) to dark grey (6000 m). The Namibian localities are numbered from 1 through 6 (1: Farm Tafelkop; 2: Farm Louwshoop 330; 3: Klein Karas; 4: Ortmansbaum; 5: Farm Lützelhöhe; 6: Warmbad), the? represents the doubtful record from Angra Pequena/Lüderitz. White spots represent the centre of quarter-degree grids as published by Bates et al. (2014).
FIGURE 3. Holotype BMNH 1946.8.7.86 in Resolution of the types, diagnostic features, and distribution of two easily confused Sand Lizards, Pedioplanis laticeps (Smith, 1845) and P. burchelli (Duméril & Bibron, 1839) (Squamata: Lacertidae)
FIGURE 3. Holotype BMNH 1946.8.7.86 (previously IV.42.a) of Lacerta capensis Smith, 1838: (A) original drawing of the whole individual modified from Plate 45: 2 (Smith 1845); (B) dorsal view of the museum voucher; (C) ventral view; (D) dorsal head; (E) original drawing of the dorsal head modified from Plate 48: 7 (Smith 1845); (F) ventral head; (G) lateral head left; (H) original drawing of the lateral head modified from Plate 48: 7a (Smith 1845); (I) lateral head right. Scale units 1 mm.
FIGURE 1 in Resolution of the types, diagnostic features, and distribution of two easily confused Sand Lizards, Pedioplanis laticeps (Smith, 1845) and P. burchelli (Duméril & Bibron, 1839) (Squamata: Lacertidae)
FIGURE 1. Example of the counting method for enlarged scales arranged in rows (labials, collar, chin shields, ventral scales) using the upper and lower labials. All labials marked with a black dot were counted while the ones marked with X were not. This means that 9 upper labials and 6 lower labials were counted on this specimen.
FIGURE 5 in A new species of Gymnophthalmus (Squamata: Gymnophthalmidae) from sand dunes of the Llanos of Apure, Venezuela
FIGURE 5. Pictures of the lateral surface of the body in specimens of Gymnophthalmus marconaterai sp. nov. (UTA 63949), G. leucomystax (USNM 314930), G. cf. speciosus (USNM 258146), and G. pleei (USNM 198839).
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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.