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35 results for “Database field”
Leafcutter ants of the genus Atta in the Insects Collection at the Field Museum of Natural History. The field data on the attached tags are transcribed for entry into databases such as AntWeb and the Global Biodiversity Information Facility. Photograph: Matthew Nelsen. in The Evolution of Natural History Collections
Leafcutter ants of the genus Atta in the Insects Collection at the Field Museum of Natural History. The field data on the attached tags are transcribed for entry into databases such as AntWeb and the Global Biodiversity Information Facility. Photograph: Matthew Nelsen.
Database of research methods in the educational field. Bibliometric analysis: comparative study between Scopus and WoS
<p>Data package on research methods in the educational field in the Web of Science and Scopus databases between 2000 and 2023</p>
Data from: A global database and 'state of the field' review of research into ecosystem engineering by land animals.
1. Ecosystem engineers have been widely studied for terrestrial systems, but global trends in research encompassing the range of taxa and functions have not previously been synthesised. 2. We synthesised contemporary understanding of engineer fauna in terrestrial habitats and assessed the methods used to document patterns and processes, asking: 1.Which species act as ecosystem engineers and with whom do they interact? 2. What are the impacts of ecosystem engineers in terrestrial habitats and how are they distributed? 3. What are the primary methods used to examine engineer effects and how have these developed over time? We considered the strengths, weaknesses and gaps in knowledge related to each of these questions, and suggested a conceptual framework to delineate 'significant impacts' of engineering interactions for all terrestrial animals. 3. We collected peer-reviewed publications examining ecosystem engineer impacts and created a database of engineer species to assess experimental approaches and any additional covariates that influenced the magnitude of engineer impacts. 4. One hundred and twenty-two species from twenty-eight orders were identified as ecosystem engineers, performing five ecological functions. Burrowing mammals were the most researched group (27%). Half of all studies occurred in dry/arid habitats. Mensurative studies comparing sites with and without engineers (80%) were more common than manipulative studies (20%). These provided a broad framework for predicting engineer impacts upon abundance and species diversity. However, the roles of confounding factors, processes driving these patterns, and the consequences of experimentally adjusting variables, such as engineer density, have been neglected. True spatial and temporal replication have also been limited, particularly for emerging studies of engineer reintroductions. 5. Climate change and habitat modification will challenge the roles that engineers play in regulating ecosystems, and these will become important avenues for future research. We recommend future studies include simulation of engineer effects and experimental manipulation of engineer densities to determine the potential for ecological cascades through trophic and engineering pathways due to functional decline. We also recommend improving knowledge of long-term engineering effects and replication of engineer reintroductions across landscapes to better understand how large-scale ecological gradients alter the magnitude of engineering impacts.
Development of a Biological Database in the Field of Operative Intensive Care
ClinicalTrials.gov study NCT03014427. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Data from: A global database and ‘state of the field’ review of research into ecosystem engineering by land animals.
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Above- and below-ground net primary productivity: a field-based global database of grasslands
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Dataset: Species presence, trait and philogeny database. Data from: Shift from trait convergence to divergence along old field succession. Journal of Vegetation Science.
<p>This dataset was use in the manuscript "Shift from trait convergence to divergence along old field succession" publish at Journal of Vegetation Science. It contains the data of species presence at three different plots and species trait values (SLA, LDMC, height, seed weight and Phylogeny). We show that at the initial stage of succession, there is a scale-invariant pattern of trait convergence. On the contrary, in the late and intermediate stages of succession we observed that trait divergence became frequent at smaller grains and extents. The trend along the chronosequence is consistent with the theoretical hypothesis that predicts a shift from convergence to divergence along succession.</p>
A Global Database of Field-observed Leaf Area Index in Woody Plant Species, 1932-2011
This data set provides global leaf area index (LAI) values for woody species. The data are a compilation of field-observed data from 1,216 locations obtained from 554 literature sources published between 1932 and 2011. Only site-specific maximum LAI values were included from the sources; values affected by significant artificial treatments (e.g. continuous fertilization and/or irrigation) and LAI values that were low due to drought or disturbance (e.g. intensive thinning, wildfire, or disease), or because vegetation was immature or old/declining, were excluded (Lio et al., 2014). To maximize the generic applicability of the data, original LAI values from source literature and values standardized using the definition of half of total surface area (HSA) are included. Supporting information, such as geographical coordinates of plot, altitude, stand age, name of dominant species, plant functional types, and climate data are also provided in the data file. There is one data file in comma-separated (.csv) format with this data set and one companion file which provides the data sources.
Database of field experiments on the effect of agro-ecological strategies on N2O emissions in European arable land
<table> <tbody> <tr> <td>The database with a specific focus on conservation agriculture consists of 11 field experiments located in 11 sites with mostly loamy soil texture across 8 European countries, thus covering different European climate zones, from northern over western to southern Europe. Among the 11 studies, a total of 3 were in Spain, 2 in Denmark, and 1 Belgium, Italy, Germany, Finland, Switzerland and the UK, respectively. Particularly, among the 11 studies, in 8 no-tillage was applied, while in 2 and in 1 conservation tillage minimum tillage was adopted, respectively. The duration of soil N2O emission monitoring ranges from 79 to 365 days.<br>The database with a specific focus on organic agriculture consists of 11 field experiments, from 8 field studies located in sites with mostly silt loamy soil texture across 7 European countries, thus covering different European climate zones, from northern over western to southern Europe. With durations of experiments ranging from 1 to 36 years, a total of 3 studies were conducted in Denmark, 2 in France and Switzerland, and 1 in Austria, Finland and Italy.</td> </tr> </tbody> </table>
Database of field experiments on the effect of organic farming on yield and yield stability in European arable land
<table> <tbody> <tr> <td>The database consists of 50 field experiments located in 45 sites with mostly loamy soil texture across 15 European countries, covering European climate zones, from Boreal to Mediterranean South. Mean annual precipitation and mean annual temperature measured at the experimental sites included in this meta-analysis ranged from 360 mm to 1,050 mm and from 3.4 °C to 16.3 °C, respectively.<br>A total of 7 studies each from Sweden and Poland were included, 6 from Italy and Spain, 4 from Denmark and Estonia, 3 from Germany, 2 from Finland, Latvia, Norway, Switzerland and the UK, and 1 from Austria, the Netherlands and France. In organic systems, animal-based fertilizers (manure, slurry, manure compost) was applied in 11 studies, plant-based fertilizers (legumes and mixed green manure) in 24 studies, and both types of organic fertilizers in 13 studies. N input in organic systems was less than in conventional systems in 24 studies, equal in 3 studies, higher in 4 studies, and not reported in 19 studies. In most studies, fields were conventionally tilled and not irrigated. The duration of cereal-based organic systems ranges from 3 to 35 years. Yields of winter wheat, winter rye, spring barley, spring wheat, or oats were measured from 3 to 30 years, and the duration of organic rotations varied from two to eight years.<span> </span></td> </tr> </tbody> </table>
Development, Implementation and Initiation of Normative Database Quantitative Ultra High Field MRI Paramaters
ClinicalTrials.gov study NCT02402751. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Establishing a Normative Database in Pediatric Population of the Head-mounted visuALL Field Analyzer
ClinicalTrials.gov study NCT04175444. IPD Sharing: NO. Countries: 1. Publications: 0.
Database of field experiments on the effect of organic farming on SOC in European arable land
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experimental database for article "Enhancement of photon detection in superconducting nanostructure single photon detector exposed to oscillating magnetic field"
<p>these files contain the experimental database for the article "Enhancement of photon detection in superconducting nanostructure single photon detector exposed to oscillating magnetic field" send for publication in APL.</p>
Coupmodel database (water and energy fluxes at a maize field under film mulching drip irrigation)
<p><strong>CoupModel databases (Water and energy fluxes in drip irrigation maize field under mulch)</strong></p> <p>Related data for submitted paper “Modelling water and energy fluxes for a maize cropland with the explicit representation of mulch-drip system". </p> <p> </p>
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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.