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Dataset results
30 results for “video observation”
Spatial behavior and diet data for discrete-choice analyses: data observed and classified from GPS video camera collars worn by female members of the Fortymile Caribou Herd across Alaska, USA, and Yukon, Canada
<p>Competition for resources and space can drive forage selection of large herbivores from the bite through the landscape scale. Animal behavior and foraging patterns are also influenced by abiotic and biotic factors. Fine-scale mechanisms of density-dependent foraging at the bite scale are likely consistent with density-dependent behavioral patterns observed at broader scales, but few studies have directly tested this assertion. Here, we tested if space use intensity, a proxy of spatiotemporal density, affects foraging mechanisms at fine spatial scales similarly to density-dependent effects observed at broader scales in caribou. We specifically assessed how behavioral choices are affected by space use intensity and environmental processes using behavioral state and forage selection data from caribou (<i>Rangifer tarandus granti</i>) observed from GPS video-camera collars using a multivariate discrete-choice modeling framework. We found that the probability of eating shrubs increased with increasing caribou space use intensity and cover of <i>Salix</i> spp. shrubs, whereas the probability of eating lichen decreased. Insects also affected fine-scale foraging behavior by reducing the overall probability of eating. Strong eastward winds mitigated the negative effects of insects and resulted in higher probabilities of eating lichen. Lastly, caribou exhibited foraging functional responses wherein their probability of selecting each food type increased as the availability (% cover) of that food increased. Space use intensity signals of fine-scale foraging were consistent with density-dependent responses observed at larger scales and with recent evidence suggesting declining reproductive rates in the same caribou population. Our results highlight the potential risks of overgrazing on sensitive forage species such as lichen. Remote investigation of the functional responses of foraging behaviors provides exciting future applications where spatial models can identify high-quality habitats for conservation.</p>
Raw videos of the empirical observations performed studying large shoals of sulphur mollies (P. sulphuraria).
<p>Data acquired between April 6th and April 11th 2018 in Teapa, Tabasco, Mexico. These dataset was obtained for the study of the spontaneous wave activity observed in large shoals of sulphur mollies. Details on the analysis can be found in DOI: XX.XXXX/XXX (currently under review).</p> <p>The file called <a href="https://zenodo.org/api/files/3278318f-de77-4ee2-b1f2-0e7b6c6178aa/data_ALL_clusters.csv?versionId=e11e17f5-ac27-421c-bc83-09a2ea08dd1e">data_ALL_clusters.csv</a> contains four columns with the following information:</p> <ol> <li>cluster ID</li> <li>cluster area</li> <li>cluster volume</li> <li>cluster time duration</li> <li>cluster speed</li> </ol> <p>The h5 files contain the same information separated by acquisition day. In these h5 files, the areas, volumes and times are given in number of pixels and/or number of frames. Thus, they have to be re-scaled with the scaling factor dx=0.02 and dt=1/50.</p>
Fulldome video about the effects of observer position on celestial observations
<p>Fulldome video that demonstrates effects of the observer position on different kinds of astronomical observations: which stars are visible, the position of the stars, the times that the stars rise and set, and analogous effects for the Sun.</p> <p>Produced in collaboration with CeSDA (Italy) and NOESIS (Greece)</p>
Spatial behavior and diet data for discrete-choice analyses: data observed and classified from GPS video camera collars worn by female members of the Fortymile Caribou Herd across Alaska, USA, and Yukon, Canada
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Raw data for "Direct Observation of Atmospheric Turbulence with a Video-rate Wide-field Wavefront Sensor" (Part. 1)
<p>Raw data for "Direct Observation of Atmospheric Turbulence with a Video-rate Wide-field Wavefront Sensor" (Part. 1). For usage, please refer to https://github.com/freemercury/Widefield_wavefront_sensor.</p>
Raw data for "Direct Observation of Atmospheric Turbulence with a Video-rate Wide-field Wavefront Sensor" (Part. 2)
<p>Raw data for "Direct Observation of Atmospheric Turbulence with a Video-rate Wide-field Wavefront Sensor" (Part. 2). For usage, please refer to https://github.com/freemercury/Widefield_wavefront_sensor.</p>
High-speed video observations of needles evolving into negative leaders in a positive cloud-to-ground lightning flash
<p>The data supports the manuscript entitled “<strong>High-speed video observations of needles evolving into negative leaders in a positive cloud-to-ground lightning flash</strong>”. The high-speed video data files of the positive cloud-to-ground lightning (20200603_082539, denoted F20065) of *.cihx and *.avi can be opened by Photron Camera Control software (Photron Fastcam Viewer) that can be download from this link: https://photron.com/photron-support/</p> <p>In addition, MATLAB can open the *.mat file (electric field change data), and Microsoft Excel can open the *.xlsx file (Guangdong-Hong Kong-Macao Lightning Location data (20200603082523-20200603082556).</p> <p>The data can be used freely for scientific purposes with the appropriate citation.</p>
Comparison between high-speed video observation of sprites and broadband sferic measurements
<p>The dataset here includes high-speed video, low-light video and broadband magnetic sferics (LF, VLF, ULF) for cases analyzed in the paper "Comparison between high-speed video observation of sprites and broadband sferic measurements".</p>
FIGURE 3 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 3. Holotype of Astroceramus eldredgei n. sp. A. Abactinal surface. B. Abactinal plates.C. Closeup of armtip showing abutted superomarginals. D. Actinal surface. E. Closeup of actinal surface showing actinal intermediate region and tube foot groove. F. Close up of adambulacral region, showing furrow spines and etc.
FIGURE 2 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 2. In situ video observations of Goniasteridae. A. Astroceramus callimorphus hunched over prey. B. Astroceramus eldredgei n. sp. on substrate. C. A. eldredgei n. sp. feeding on Paragorgia? D. A. eldredgei n. sp. feeding on the blue plexaurid octocoral Astromuricea theophilasi E. A. eldredgei n. sp. the blue plexaurid octocoral Astromuricea theophilasi F. Calliaster pedicellaris feeding observation.
FIGURE 1 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 1. Holotype of Apollonaster kelleyi n. sp. A. Abactinal surface. B. Abactinal plates.C. Closeup of armtip showing abutted superomarginals. D. Actinal surface. E. Closeup of actinal surface showing actinal intermediate region and tube foot groove. F. Close up of adambulacral region, showing furrow spines and etc.
FIGURE 4 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 4. In situ video observations of other Goniasteridae. A. Calliderma emma in situ on sandy substrate B. Circeaster pullus feeding on isidid octorcoral. C. C. pullus with swollen disk, likely feeding on isidid octocoral. D. Hippasteria muscipula feeding on isidid ocotocrals, off Kona, HI. E. H. muscipula feeding on soft coral in Celebes Sea. F. Plinthaster ceramoidea feeding on Gerardia?
High-speed video observation of needles formed during the leader stage in a positive cloud-to-ground flash
<p>The data supports the manuscript entitled “<span>High-speed video observation</span><span> of needles formed during </span><span><span>the </span></span><span><span><span>leader</span></span></span><span><span><span> </span></span></span><span><span><span>stage</span></span></span><span> in a positive cloud-to-ground flash</span>”. The high-speed video data files of the positive cloud-to-ground lightning of *.cihx and *.avi can be opened by Photron Camera Control software (Photron Fastcam Viewer) that can be download from this link: https://photron.com/photron-support/</p> <p>In addition, MATLAB can open the *.mat file (electric field change data), and Microsoft Excel can open the *.xlsx file (Guangdong-Hong Kong-Macao Lightning Location data.</p> <p>The data can be used freely for scientific purposes with the appropriate citation.</p>
Demo data and model weights for "Direct Observation of Atmospheric Turbulence with a Video-rate Wide-field Wavefront Sensor"
<p>Demo data and model weights for "Direct Observation of Atmospheric Turbulence with a Video-rate Wide-field Wavefront Sensor". For usage, please refer to https://github.com/freemercury/Widefield_wavefront_sensor.</p>
Data from: Environmental DNA metabarcoding reliably recovers arthropod interactions which are frequently observed by video recordings of flowers
<p>Environmental DNA (eDNA) metabarcoding promises to be a cost- and time-efficient monitoring tool to detect interactions of arthropods with plants. However, observation-based verification of the eDNA derived data is still required to confirm whether the arthropods indeed previously interacted with the plant. Here we conducted a comparative analysis of the performance of eDNA metabarcoding and video camera observations to detect arthropod communities associated with sunflowers (<em>Helianthus annuus</em>, L.). We compared the taxonomic composition, interaction type, and diversity by testing for an effect of arthropod interaction time and occupancy on successful taxon recovery by eDNA. We also tested if pre-washing of the flowers successfully removed eDNA deposition from before the video camera recording, thus enabling a reset of the community for standardized monitoring. We find that eDNA and video camera observations recovered distinct communities, with about a quarter of the arthropod families overlapping. However, the overlapping taxa comprised ~90% of the interactions observed by the video camera. Interestingly, eDNA metabarcoding recovered more unique families than the video cameras, but approx. two-third of those unique observations were rare species. The eDNA-derived families were biased towards plant sap-suckers, showing that such species may deposit more eDNA than e.g. transient pollinators. We also find that pre-washing of the flower heads did not suffice to remove all eDNA traces, suggesting that eDNA on plants may be more temporally stable than previously thought. Our work highlights the great potential of eDNA as a tool to detect plant-arthropod interactions, particularly for specialized and frequently interacting taxa.</p>
Supplement videos for manuscript Impacts of storm "Zyprian" on middle and upper atmosphere observed from Central European stations
<p>Supplement video material for the manuscript Impacts of storm “Zyprian” on middle and upper atmosphere observed from Central European stations. It contains loop of MSG satellite observation and infrasound animations.</p>
Video Based Directly Observed Therapy for Latent TB
ClinicalTrials.gov study NCT03783728. IPD Sharing: Not stated. Countries: 1. Publications: 9.
Eye Drop Use in Glaucoma Patients Through Patient Surveys and Video Observations
ClinicalTrials.gov study NCT00522600. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: Mapping coral and sponge habitats on a shelf-depth environment using multibeam sonar and ROV video observations: Learmonth Bank, northern British Columbia, Canada
Open the record for dataset details and reuse information.
Data from: Environmental DNA metabarcoding reliably recovers arthropod interactions which are frequently observed by video recordings of flowers
Open the record for dataset details and reuse information.
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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.