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4,753 results for “SHAPE”
Figure 14 in Males of a new species of Jotus from Australia wave a paddle-shaped lure to solicit nearby females (Araneae: Salticidae: Euophryini)
Figure 14. Underside of the living male holotype Jotus remus.
Figure 13 in Males of a new species of Jotus from Australia wave a paddle-shaped lure to solicit nearby females (Araneae: Salticidae: Euophryini)
Figure 13. Views of the left pedipalp of four male Jotus remus types in ethanol.
Figure 12 in Males of a new species of Jotus from Australia wave a paddle-shaped lure to solicit nearby females (Araneae: Salticidae: Euophryini)
Figure 12. Two paratype male Jotus remus in ethanol.
Figure 17 in Males of a new species of Jotus from Australia wave a paddle-shaped lure to solicit nearby females (Araneae: Salticidae: Euophryini)
Figure 17. Views of four female paratype Jotus remus in ethanol.
Figure 13 in Updated catalog of the Chilean wedge-shaped beetles (Coleoptera: Ripiphoridae) with the first records of Macrosiagon flavipennis (LeConte) in Chile
Figure 13. Distribution map of Chilean Ripiphoridae species.
Figure 7. Bulbus shape comparison between males. 1, I in Systematics and phylogeography of western Mediterranean tarantulas (Araneae: Theraphosidae)
Figure 7. Bulbus shape comparison between males. 1, I. mogadorensis; 2, I. valentinus; 3, I. elongatus. A, proventral; B, dorsal; C, prolateral; D, ventral; E, retrolateral. Scale bar = 1 mm.
Figure 5. Spermathecae shape variation across the valentinus morphotype. A, B in Systematics and phylogeography of western Mediterranean tarantulas (Araneae: Theraphosidae)
Figure 5. Spermathecae shape variation across the valentinus morphotype. A, B, 'north' lineage (I. valentinus); C, 'south' lineage (I. mogadorensis). Scale bar = 1 mm.
Model code, data, and plot scripts for the paper "Impacts of Ice-Particle Size Distribution Shape Parameter on Climate Simulations with the Community Atmosphere Model Version 6 (CAM6)".
<p>The code, scripts, and data used in the paper "Impacts of Ice-Particle Size Distribution Shape Parameter on Climate Simulations with the Community Atmosphere Model Version 6 (CAM6)".</p> <ul> <li>All Figures&Table and their corresponding NCL scripts are under the directory of Figs&Table. </li> <li>The modified model code, corresponding original model code, and model run scripts are under the directory of Mods_Scripts.</li> <li>The postprocessing NCL scripts, which select useful variables from simulation results, are under the directory of PostProcessing.</li> <li>The zonal mean data from model results used for making figures and corresponding data processing scripts are under the directory of Model_Results.</li> <li>The FORTRAN code used for offline tests is under the directory of Offline_Code.</li> <li>The code, data, and NCL scripts used for the figures and table in the Appendix are under the directory of Appendix.</li> </ul>
Deep vicariance and frequent transoceanic dispersal shape the evolutionary history of a globally distributed fern family
<p>Premise</p> <p>Historical biogeography of ferns is typically expected to be dominated by long-distance dispersal, due to their minuscule spores. However, few studies have inferred the historical biogeography of a large and widely distributed group of ferns to test this hypothesis. Our aims are to determine the extent to which long-distance dispersal vs. vicariance have shaped the history of the fern family Blechnaceae, to explore ecological correlates of dispersal and diversification, and to determine whether these patterns differ between the northern and southern hemispheres.</p> <p>Methods</p> <p>We used sequence data for three chloroplast loci to infer a time-calibrated phylogeny for 154 out of 265 species of Blechnaceae, including representatives of all genera in the family. This tree was used to conduct ancestral range reconstruction and stochastic character mapping, estimate diversification rates, and identify ecological correlates of diversification.</p> <p>Key results</p> <p>Blechnaceae originated in Eurasia and began diversifying in the late Cretaceous. A lineage comprising most extant diversity diversified principally in the austral Pacific region around the Paleocene-Eocene Thermal Maximum. Land connections that existed near the poles during periods of warm climates likely facilitated migration of several lineages, with subsequent climate-mediated vicariance shaping current distributions. Long-distance dispersal is frequent and asymmetrical, with New Zealand/Pacific Islands, Australia, and tropical America being major source areas.</p> <p>Conclusions</p> <p>Ancient vicariance and extensive long-distance dispersal have shaped the history of Blechnaceae in both the northern and southern hemispheres. The exceptional diversity in austral regions appears to reflect rapid speciation in these areas; mechanisms underlying this evolutionary success remain uncertain.</p>
The effects of foraging ecology and allometry on avian skull shape vary across levels of phylogeny
<p>Avian skull shape diversity is classically thought to result from selection for structures that are well-adapted for distinct ecological functions, but recent work has suggested that allometry is the dominant contributor to avian morphological diversity. If true this hypothesis would overturn much conventional wisdom regarding the importance of form-function relationships in adaptive radiations, but it is possible that these results are biased by the low taxonomic levels of the clades that have been studied. Using 3D morphometric data from the skulls of a relatively old and ecologically diverse order of birds, the Charadriiformes (shorebirds and relatives), we found that foraging ecology explains more than two-thirds of the variation in skull shape across the clade. However, we also found support for the hypothesis that skull allometry evolves, contributing more to shape variation at the level of the family than the order. Allometry may provide an important source of shape variation on which selection can act over short time scales, but its potential to evolve complicates generalizations between clades. Foraging ecology remains a better predictor of avian skull shape over macroevolutionary time scales. </p>
FIGURE 7 in Taxonomic revision of Cypridopsis silvestrii comb. nov. (Ostracoda, Crustacea) from Patagonia, Argentina with morphometric analysis of their intraspecific shape variability and sexual dimorphism
FIGURE 7. Nonmetric Multidimensional Scaling (n-MDS) plot for male and female outlines, normalized for area from ET lake. Inset shows superposition of the virtual mean shape outline of males (light blue) and females (black).
FIGURE 5. Cypridopsis silvestrii comb. nov. A in Taxonomic revision of Cypridopsis silvestrii comb. nov. (Ostracoda, Crustacea) from Patagonia, Argentina with morphometric analysis of their intraspecific shape variability and sexual dimorphism
FIGURE 5. Cypridopsis silvestrii comb. nov. A. Hemipenis (UNC-PMIC 160 male). B. T1 (UNC-PMIC 153 ES female). C. Lpp (UNC-PMIC 161 male). D. Rpp (UNC-PMIC 161 male). E Zenker organ (UNC-PMIC 160 male). F. T2 (UNC-PMIC 153 ES female). G. Genital hooks (UNC-PMIC 154 ES female). H. T3 (UNC-PMIC 153 ES female). I.UR (UNC-PMIC 154 ES female). Scale bar: 100 µm.
FIGURE 1 in Taxonomic revision of Cypridopsis silvestrii comb. nov. (Ostracoda, Crustacea) from Patagonia, Argentina with morphometric analysis of their intraspecific shape variability and sexual dimorphism
FIGURE 1. Geographic location of the surveyed lakes. The upper left map shows Argentina with the Patagonian region in dark grey. The lower left map shows the sampled region with the four surveyed areas (black boxes), which correspond to the regions A, B, C, and D. Grey polygons correspond to water bodies (surveyed in black). The legends indicate the altitude in meters above sea level (masl) based on a digital elevation model (DEM; source www.earthexplorer.usgs.gov.gov), where the upper (A and B), and lower (C and D) panels share the same scale.
FIGURE 2. Cypridopsis silvestrii comb. nov. A in Taxonomic revision of Cypridopsis silvestrii comb. nov. (Ostracoda, Crustacea) from Patagonia, Argentina with morphometric analysis of their intraspecific shape variability and sexual dimorphism
FIGURE 2. Cypridopsis silvestrii comb. nov. A ES female RV external view (UNC-PMIC 149). B ET female RV external view (UNC-PMIC 153). C ET male RV external view (UNC-PMIC 158). D–E ES female LV external view (PMIC 148). F ET male LV external view (UNC-PMIC 158), G ET female Cp dorsal view (UNC-PMIC 154). H ET male Cp dorsal view (UNC- PMIC 159). I–K ES female RV internal view (PMIC 149). L–N ES female LV internal view (UNC-PMIC 148). O ET female Cp ventral view (UNC-PMIC 155). P ETC RV external view (UNC-PMIC 162). Q ETC LV internal view (UNC-PMIC 163). R He female LV internal view (UNC-PMIC 164). Scale bar= 300 µm; E= 50 µm and I, K, L, N= 100 µm.
FIGURE 9 in Taxonomic revision of Cypridopsis silvestrii comb. nov. (Ostracoda, Crustacea) from Patagonia, Argentina with morphometric analysis of their intraspecific shape variability and sexual dimorphism
FIGURE 9. Boxplots showing carapace length (a), Height (b) and H:L (c) of ETf, ETm, ETC, and ES populations. The line within the box marks the median; the lower and upper boundaries of the box indicate the 25th and 75th percentiles, respectively. Error bars above and below the box indicate the 90th and 10th percentiles, respectively, and black points indicate outliers.
FIGURE 6 in Taxonomic revision of Cypridopsis silvestrii comb. nov. (Ostracoda, Crustacea) from Patagonia, Argentina with morphometric analysis of their intraspecific shape variability and sexual dimorphism
FIGURE 6. Nonmetric Multidimensional Scaling (n-MDS) plot showing shape variability (valve outlines were normalized for area) of extant and subfossil populations, with superimposition of reconstructed mean shape outline of each population.
Clock in the shape of obelisk
Clock in the shape of obelisk Venus and Love, A. Lechopie, Paris, around 1780 White marble and gilded bronze Legs Vermeersch, 1911 - lnv. v 2006. Musée du Cinquantenaire (Brussels, Belgium). Made with ReMake and ReCap Pro from AutoDesk. Decool's astronomical pendulum. Optimum oscillation of the balance is ensured by the bimetallic compensation grill. This type of clock with multiple dials, created in France in the 1790s, finds here one of its purest interpretations, influenced by the art of the Liège watchmaker Hubert Sarton. For more updates, please follow me on Twitter at @GeoffreyMarchal. Source: Objaverse 1.0 / Sketchfab
T-Shaped Base Harpoon XFP-111. Sanak Island, AK
Harpoon with T-Shaped Base XFP-111. Sanak Island, Alaska. XFP-111-85. Harpoon type found from NE Siberia to Alaska XFP-111 is a large multi-component site on the SE corner of Sanak Is. It has late Prehistoric houses dating after 1550 CE, a small occupation about 850-1050 CE, and most importantly, a deposit dated 2800-2200 BCE, has many characteristics related to the Ocean Bay Tradition of Kodiak Is. and the Alaska Peninsula. These artifacts were scanned with either a Faro Edge Arm or a Minolta Vivid 9i. Processed in Geomagic or Polyworks. 4-8 photos were used for texture in Geomagic Wrap. The Sanak Island artifacts are presented as a result of the research conducted under grants NSF 0326584, NSF 0508101, NSF 1139266, NSF 1321411. H. Maschner, PI. Original digitizing work done at the IVL at Id. St. Univ. Subsequent processing completed at Global Digital Heritage. Fieldwork and analysis done with the permission and collaboration of the Pauloff Harbor Tribe and the Sanak Corporation. Source: Objaverse 1.0 / Sketchfab
Bird-shaped censer
Censer (bird-shaped). Cock with chicken. Made of bronze. China. Period: Six Dynasties Production date: 220-589 Museum number: 1936,1118.56 © The Trustees of the British Museum. Shared under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) licence. See: https://www.britishmuseum.org/collection/object/A_1936-1118-56 Source: Objaverse 1.0 / Sketchfab
Stone lid, lion-shaped, Mleiha, Sharjah, UAE
Stone lid with lion-shaped knob for south Arabian beehive vessels. Mleiha, Sharjah, UAE. 3rd century BCE - 1st century CE. Mleiha area 7. Calcite. In Overlaet 2018:20, Figure 14, and description p. 22: CAT. n° 12. Catalogue No. EXS 199. 448 photos. Completely processed (aligned, scaled, modeled, cleaned, simplified, unwrapped, textured, meshed) in Reality Capture. B. Overlaet 2018. Mleiha, An Arab Kingdom on the Caravan Trails (Brussels 30.10-30.12.2018). Sharjah: Sharjah Archaeology Authority. Source: Objaverse 1.0 / Sketchfab
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.