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Dataset results
20 results for “Web survey”
Data from: Impacts of nutrient subsidies on salt marsh arthropod food webs: a latitudinal survey
Anthropogenic nutrient inputs into native ecosystems cause fluctuations in resources that normally limit plant growth, which has important consequences for associated foodwebs. Such inputs from agricultural and urban habitats into nearby natural systems are increasing globally and can be highly variable. Despite the global increase in anthropogenically-derived nutrient inputs into native ecosystems, the consequences of variation in subsidy amount on native plants and their associated foodwebs are poorly known. Salt marshes represent an ideal system to address the differential impacts of nutrient inputs on ecosystem and community dynamics because human development and other anthropogenic activities lead to recurrent introductions of nutrients into these natural systems. Previously, we have found in manipulative experiments that arthropod abundance increases in response to nutrient enrichment, with predators being the trophic group most strongly affected. We conducted a survey of Atlantic coastal Spartina marshes to test whether such local responses are indicative of responses at a landscape level. We examined the most abundant arthropod species associated with Spartina coastal marshes that receive variable amounts of anthropogenic nitrogen, and tested how this response varied across different arthropod functional groups (herbivores, epigeic feeders, and predators). Similar to what we found at a local scale, nutrient subsidies alter the trophic structure of the arthropod assemblage by changing the relative abundances of various feeding groups. Variable responses among predators to nitrogen density could be partly explained by diet breadth (e.g. generalists vs. specialists). Herbivores had a negative response to increasing plant nitrogen density; specialist predators tracked their herbivore prey and thus also responded negatively to nitrogen density. However, generalists were not negatively affected by nitrogen density and indeed some generalist predators responded positively to nitrogen density. Thus, the overall predator-to-herbivore ratio was also positively associated with nitrogen density. Our research helps us to understand how long-term nutrient enrichment of native ecosystems by human activities affects arthropod assemblages and foodweb dynamics.
Predators of Japanese myriapods — survey using literature, social media, Web, and mobile application —
<p>I provide a database reviewing information on predators of Japanese myriapods. The information within this database was compiled from published accounts in Japan along with visual media accumulated on the Internet.</p>
InnoRate_Multi-component web-based survey_Dataset4_2021.12.28_v1
<p>This dataset has been collected by deploying an online survey to gather insight and analyse the needs and preferences of potential users and stakeholders of the InnoRate Platform of the InnoRate Project (H2020 GA 821518). We have gathered responses from 3 main stakeholder groups, namely innovators, investors and innovation intermediaries. The surveys for each stakeholder group (.docx format), along with the respective anonymised version of their responses (.xlsx format) are uploaded on Zenodo.</p>
A National Forum on Web Privacy and Web Analytics — Participant Survey Instrument
<p>This survey instrument was administered to participants of the <em>National Forum on Web Privacy and Web Analytics</em>. Results informed the Forum event and Forum deliverables.</p> <p>The <em>National Forum on Web Privacy and Web Analytics </em>was held September 2018 in Bozeman, Montana, where 40 librarians, technologists, and privacy researchers collaborated in producing a practical roadmap for enhancing our analytics practice in support of privacy.</p> <p>More information is available on our project site: <a href="https://osf.io/gnfpu/">https://osf.io/gnfpu/</a>. </p> <p>This project is made possible in part by the Institute of Museum and Library Services, through grant <a href="https://www.imls.gov/grants/awarded/lg-73-18-0100-18"># LG-73-18-0100-18</a>.</p>
Data from: Impacts of nutrient subsidies on salt marsh arthropod food webs: a latitudinal survey
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Replication File for Paper "The Role of Time, Weather and Google Trends in Understanding and Predicting Web Survey Response"
<p>This updated zip file contains the necessary codes and data files to reproduce all the findings presented in the accepted manuscript "The Role of Time, Weather and Google Trends in Understanding and Predicting Web Survey Response" by Qixiang Fang, Joep Burger, Ralph Meijers and Kees van Berkel. </p> <p>Compared with the last one, this new version provides more instructions in the README.txt files and indicates the exact versions of R, R studio and the R packages used.</p>
Generative AI in Crowdwork for Web and Social Media Research: A Survey of Workers at Three Platforms
<p>Data generated for the paper "<span>Generative AI in Crowdwork for Web and Social Media Research:</span><br><span>A Survey of Workers at Three Platforms</span>" presented at ICWSM 2024.</p>
Paradata datasets for: Identifying a Set of Key Paradata Indicators in Web Surveys
<p>Paradata datasets for Identifying a Set of Key Paradata Indicators in Web Surveys Based on the Relationship with Response Quality, Respondent Characteristics and Substantive Variables</p>
The cosmic web of X-ray active galactic nuclei seen through the eROSITA Final Equatorial Depth Survey (eFEDS)
<p>Which galaxies in the general population turn into active galactic nuclei (AGN) is a keystone of galaxy formation and evolution.</p> <p>Thanks to SRG/eROSITA’s contiguous 140 square degrees pilot survey field, we constructed a large, complete, and unbiased soft<br> X-ray flux-limited AGN sample at low redshift 0.05 < z < 0.55. Two summary statistics, the clustering using spectra from SDSS-V<br> and galaxy-galaxy lensing with imaging from HSC, are measured and interpreted with halo occupation distribution and abundance<br> matching models. Both models successfully account for the observations. We obtain an exceptional complete view of the AGN 12<br> halo occupation distribution. The population of AGN is broadly distributed among halos with a mean mass of 3.9+2.0−2.4 × 10 M⊙ .<br> +0.08. This corresponds to a large-scale halo bias of b(z = 0.34) = 0.99−0.10 . The central occupation has a large transition parameter σlog10 (M) = 1.28 ± 0.2. The satellite occupation distribution is characterized by a shallow slope αsat = 0.73 ± 0.38. We find that AGNs in satellites are rare, with fsat < 20%. Most soft X-ray-selected AGNs are hosted by central galaxies in their dark matter halo. A weak correlation between soft X-ray luminosity and large-scale halo bias is confirmed (3.3σ). We discuss the implications of environmental-dependent AGN triggering. This study paves the way towards fully charting, in the coming decade, the co-evolution of X-ray AGN, their host galaxies, and dark matter haloes by combining eROSITA with SDSS-V, 4MOST, DESI, LSST, and Euclid.</p>
Italian Web-based Cross-sectional Survey on COVID-19
ClinicalTrials.gov study NCT04471701. IPD Sharing: NO. Countries: 1. Publications: 4.
COVID-19 OUTBREAK AND SOLID ORGAN TRANSPLANTATION (SOT) : AN INTERNATIONAL WEB-BASED SURVEY
ClinicalTrials.gov study NCT04367896. IPD Sharing: NO. Countries: 1. Publications: 4.
Improving Consent and Survey Procedures for Young MSM in Web-based HIV Prevention
ClinicalTrials.gov study NCT02139566. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Migraine in Poland - a Web-based Cross-sectional Survey
ClinicalTrials.gov study NCT05087420. IPD Sharing: NO. Countries: 1. Publications: 1.
Data from: International Atomic Energy Agency survey study with referring physicians on patient radiation exposure and its tracking: A prospective survey using a web based questionnaire
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Improving Survey Procedures for Young Men Who Have Sex With Men in Web-based HIV Prevention: Retention Study
ClinicalTrials.gov study NCT02424643. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Feasibility and Psychometric Properties of Paper vs. Web vs. Automated Telephone Administration of Patient Reported Outcome Surveys
ClinicalTrials.gov study NCT01458509. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Prevalence and Associated Factors of Anesthetic Drug Administration Error, a Web Based Crossectional Survey, 2022.
ClinicalTrials.gov study NCT05898282. IPD Sharing: NO. Countries: 1. Publications: 0.
Web Based Investigation of Natural History of Keloid Disorder, an Online Survey
ClinicalTrials.gov study NCT01423981. IPD Sharing: YES. Countries: 1. Publications: 0.
Web-Based Survey of Pain, Stress and Complementary and Alternative Medicine
ClinicalTrials.gov study NCT00740233. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Amazon Web Services: Landsat GLS (Global Land Survey)
In the past, the U.S. Geological Survey (USGS) and NASA collaborated on the creation of four global land data sets from Landsat images: one from the 1970s, and one each from circa 1990, 2000, and 2005. Each of these global data sets was created from the primary Landsat sensor in use at the time: the Multispectral Scanner (MSS) in the 1970s, the Thematic Mapper (TM) in 1990, Enhanced Thematic Mapper Plus (ETM+) in 2000, and a combination of TM and ETM+ in 2005.
ScienceDex guides
Understand access before you commit
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.