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1,055 results for “bridges”
FIGURE 13 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 13. Occurrence of the three youngest Florida Alligator species. The early Pleistocene A. hailensis is intermediate between A. mefferdi (including A. cf. A. mefferdi indicated by dashed line, Snyder, 2007) and A. mississippiensis (Holman, 1995) both morphologically and temporally.
FIGURE 5 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 5. Occipital region of Alligator hailensis holotype (UF 224688) in posterior view (top) and line drawing (bottom). Abbreviations are: basioccipital (bo), exoccipital (eo), foramen magnum (FM), parietal (p), posttemporal fenestra (PTF), squamosal (sq), and supraoccipital (so). Scale = 2 cm.
FIGURE 11. Coprolites from Haile 7C in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 11. Coprolites from Haile 7C (right, UF 162527, and top left, UF 162528) and Haile 7G (left middle, UF 310185, and left bottom, UF 310180) attributed to Alligator hailensis. Scale = 2 cm.
FIGURE 6 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 6. Comparison of anterior portion of splenial in lingual view. (A.) Alligator mississippiensis (ETMNH-Z 265) showing absence of anterior foramen intermandibularis oralis (FIO, splenial outlined in red), (B.) A. sinensis (ETMNH-Z 6953) with anterior FIO present (splenial outlined in red), and (C.) A. hailensis (UF 162533) showing autapomorphic incompletely closed anterior FIO (preserved portion of splenial outlined in white). Scale in each = 2 cm.
FIGURE 4 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 4. Ventral view of the Alligator hailensis holotype (UF 224688) skull during laboratory preparation. Inset enlargement and drawing shows suture between left palatine and pterygoid. Abbreviations are: palatine (pal), pterygoid (pt), and suborbital fenestra (SOF). Scale = 2 cm.
FIGURE 3 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 3. Posterior skull fragment of Alligator hailensis in dorsal view (UF 294863). Abbreviations are frontal (f), jugal (j), lacrimal (l), parietal (p), postorbital (po), prefrontal (pf), squamosal (sq), and supratemporal fenestra (STF). Scale = 2 cm.
FIGURE 3 in First record of the West Nile virus bridge vector Culex modestus Ficalbi (Diptera Culicidae) in Belgium, validated by DNA barcoding
FIGURE 3. NJ tree based on COI sequences downloaded from BOLD, including Culex species recorded from Belgium (Boukraa et al. 2015) and sequences of Cx. modestus (Table 1). Bootstrap values are indicated above the branches. The blue square gives a zoom view of the un-collapsed tree.
FIGURE 2 in First record of the West Nile virus bridge vector Culex modestus Ficalbi (Diptera Culicidae) in Belgium, validated by DNA barcoding
FIGURE 2. The small vernal pond vegetated with common cattail (Typha latifolia) where the Cx. modestus larva was collected.
FIGURE 1 in First record of the West Nile virus bridge vector Culex modestus Ficalbi (Diptera Culicidae) in Belgium, validated by DNA barcoding
FIGURE 1. (A) Posterior part of the mounted Cx. modestus larva. Zoom on the diagnostic characteristic of the siphon, showing disarrayed insertion points of the ventral siphonal setae. (B) Posterior part of a mounted Cx. pipiens larva.
Bridge_Distribution_Jingshi_Section
<p>Data for the paper titled "Robust Placement of Water Quality Sensor for Long-distance Water"</p>
Data from: Evolutionary history of Scinax treefrogs on land-bridge islands in south-eastern Brazil
AIM: We investigated how Pleistocene refugia and recent (~12,000 years ago) sea level incursions shaped genetic differentiation in mainland and island populations of the Scinax perpusillus treefrog group. LOCATION: Brazilian Atlantic Forest, São Paulo state, southeastern Brazil. METHODS: Using mitochondrial and microsatellite loci, we surveyed population structure and genetic diversity in Scinax from five mainland populations and three land-bridge islands to understand the roles of Pleistocene forest fragmentation and sea level incursions on genetic differentiation. We calculated metrics of relatedness and genetic diversity to assess whether island populations exhibit signatures of genetic drift and isolation. Two of the three island populations in this study have previously been described as new species based on a combination of distinct morphological and behavioural characters, thus we used the molecular datasets to determine whether phenotypic change is consistent with genetic differentiation. RESULTS: Our analyses recovered three distinct lineages or demes comprised of northern mainland São Paulo populations, southern mainland São Paulo populations, and one divergent island population. The two remaining island populations clustered with samples from adjacent mainland populations. Estimates of allelic richness were significantly lower, and estimates of relatedness were significantly higher, in island populations relative to their mainland counterparts. MAIN CONCLUSIONS: Fine-scale genetic structure across mainland populations indicates the possible existence of local refugia within São Paulo state, underscoring the small geographic scale at which populations diverge in this species rich region of the Atlantic Coastal Forest. Variation in genetic signatures across the three islands indicates that the populations experienced different demographic processes after marine incursions fragmented the distribution of Scinax perpusillus. Genetic signatures of inbreeding and drift in some island populations indicate that small population sizes coupled with strong ecological selection may be important evolutionary forces driving speciation on land-bridge islands.
Data from: Walking crowds on a shaky surface: stable walkers discover Millennium Bridge oscillations with and without pedestrian synchrony
Why did the London Millennium Bridge shake when there was a big enough crowd walking on it? What features of human walking dynamics when coupled to a shaky surface produce such shaking? Here, we use a simple biped model capable of walking stably in 3D to examine these questions. We simulate multiple such stable bipeds walking simultaneously on a bridge, showing that they naturally synchronize under certain conditions, but that synchronization is not required to shake the bridge. Under such shaking conditions, the simulated walkers increase their step-widths and expend more metabolic energy than when the bridge does not shake. We also find that such bipeds can walk stably on externally shaken treadmills, synchronizing with the treadmill motion for a range of oscillation amplitudes and frequencies, sometimes performing net positive work on the treadmill. Our simulations illustrate how interactions between (idealized) bipeds through the walking surface can produce emergent collective behavior that may not be exhibited by just a single biped.
Data from: Necrobiome framework for bridging decomposition ecology of autotrophically and heterotrophically derived organic matter
Decomposition contributes to global ecosystem function by contributing to nutrient recycling, energy flow and limiting biomass accumulation. The decomposer organisms influencing this process form diverse, complex, and highly dynamic communities that often specialize on different plant or animal resources. Despite performing the same net role, there is a need to conceptually synthesize information on the structure and function of decomposer communities across the spectrum of dead plant and animal resources. A lack of synthesis has limited cross-disciplinary learning and research in important areas of ecosystem and community ecology. Here we expound on the 'necrobiome' concept and develop a framework describing the decomposer communities and their interactions associated with plant and animal resource types within multiple ecosystems. We outline the biotic structure and ecological functions of the necrobiome, along with how the necrobiome fits into a broader landscape and ecosystem context. The expanded necrobiome model provides a set of perspectives on decomposer communities across resource types, and conceptually unifies plant and animal decomposer communities into the same framework, while acknowledging key differences in processes and mechanisms. This framework is intended to raise awareness among researchers, and advance the construction of explicit, mechanistic hypotheses that further our understanding of decomposer community contributions to biodiversity, the structure and function of ecosystems and global nutrient recycling and energy flow.
Data from: A bridge between oceans: Overland migration of marine birds in a wind energy corridor
Located at the shortest overland route between the Gulf of Mexico and the Pacific Ocean, Mexico's Tehuantepec Isthmus is a globally important migratory corridor for many terrestrial bird species. The Pacific coast of the Isthmus also contains a significant wetland complex that supports large multi-species aggregations of non-breeding waterbirds during the boreal winter. In recent years, extensive wind energy development has occurred in the plains bordering these wetlands, directly along the migratory flyway. Using recent studies of movement patterns of three marine-associated bird species—reddish egrets (Egretta rufescens), brown pelicans (Pelecanus occidentalis), and red knots (Calidris canutus)—from the northern Gulf of Mexico, we assess the use of the isthmus as a migratory corridor. Our data provide evidence that marine birds from the Gulf region regularly overwinter along the Pacific coast of Mexico and use the isthmus as a migratory corridor, creating the potential for interaction with terrestrial wind farms during non-breeding. This study is the first to describe migration by marine-associated bird species between the Gulf of Mexico and Pacific coast. These data contribute new information toward ongoing efforts to understand the complex migration patterns of mobile marine species, with the goal of informing integrated conservation efforts for species whose year-round habitat needs cross ecoregional and geopolitical boundaries.
Trestle bridge
This is the third (and possibly final) rescan of https://skfb.ly/6J6tw. This delapidated bridge is on the abandoned Coldstream to Yarra Glen line. The barriers at the ends of the bridge were removed from the model for illustrative purposes. Created in RealityCapture by Capturing Reality from 962 images in 00h:12m:07s. Source: Objaverse 1.0 / Sketchfab
Whitby Memorial Bridge
This bridge is dedicated to Cpl Damian Lewis MiD KIA 17.02.2008 and Cfn Andrew Found KIA 16.06.2011 in Afghanistan 📍 [Whitby, England](https://scaniver.se/L54.49297,-0.61313) Source: Objaverse 1.0 / Sketchfab
T-34 On Bridge
This the frame from the film "Zhavoronok". Source: Objaverse 1.0 / Sketchfab
Cast Iron Bracings on Victorian Railway Bridge
Source: Objaverse 1.0 / Sketchfab
WIP: Trestle bridge site planning
This is a quick handheld scan of a trestle bridge near Yering in preparation for a more complete scan of the bridge. For the final scan see: https://skfb.ly/6J6tP Source: Objaverse 1.0 / Sketchfab
Bridge
Japanese style bridge Source: Objaverse 1.0 / Sketchfab
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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.