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795 results for “fluctuations”
Asymmetric fluctuations and self-folding of active interfaces
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Data from: Fluctuation of ecological niches and geographic range shifts along chile pepper's domestication gradient
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Fitness cost from fluctuating ultraviolet radiation in Daphnia magna
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Gene loci fluctuations reveal bacterial chromosome dynamical organization
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Seasonal pigment fluctuation in diploid and polyploid Arabidopsis revealed by machine learning-based phenotyping method PlantServation (Part 2/2)
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A tradeoff between robustness to environmental fluctuations and speed of evolution
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Data from: Fluctuating selection in a Monkeyflower hybrid zone
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Data from: Effects of arbuscular mycorrhizal fungi on plant invasion success driven by nitrogen fluctuations
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Demographic fluctuations lead to rapid and cyclic shifts in genetic structure among populations of an alpine butterfly, Parnassius smintheus
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Data from: Early-life variation in migration is subject to strong fluctuating survival selection in a partially migratory bird
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Best of both worlds: Acclimation to fluctuating environments confers advantages and minimizes costs of constant environments
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Magnitude and predictability of pH fluctuations shape plastic responses to ocean acidification
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Data from: Beneficial reversal of dominance maintains a large-effect resistance polymorphism under fluctuating insecticide selection
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Generation time in stage-structured populations under fluctuating environments (Simulations)
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Continuously fluctuating selection reveals extreme granularity and parallelism of adaptive tracking
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Four decades of climatic fluctuations and fish recruitment stability across a marine-freshwater gradient
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The observed data used in paper titled "A hydrographic method to identify groundwater net recharge, barometric effect, and evapotranspiration from a complicated semidiurnal water table fluctuation"
<p>The water level and atmospheric pressure within the monitoring well located the semi-arid loess hilly-gully region on the piedmont of western Shaanxi Province, China (34°18′36″ N, 107°07′55″ E), were automatically monitored at 20-min intervals by the Levelogger and Barologger, respectively. These data were used as a case example to state a method of estimating groundwater net recharge rate, barometric efficiency and hourly-scaled groundwater evapotranspiration rate.</p>
Experimental data used in "Watertable fluctuation-induced variability in the water retention curve: Sand column experiments"
<p>Experimental data used in "Watertable fluctuation-induced variability in the water retention curve: Sand column experiments"</p>
Resource fluctuations inhibit the reproduction and virulence of the human parasite Schistosoma mansoni in its snail intermediate host
Resource availability can powerfully influence host-parasite interactions. However, we currently lack a mechanistic framework to predict how resource fluctuations alter individual infection dynamics. We address this gap with experiments manipulating resource supply and starvation for a human parasite, Schistosoma mansoni, and its snail intermediate host to test a hypothesis derived from mechanistic energy budget theory: resource fluctuations should reduce schistosome reproduction and virulence by inhibiting parasite ingestion of host biomass. Low resource supply caused hosts to remain small, reproduce less, and produce fewer human-infectious cercariae. Periodic starvation also inhibited cercarial production and prevented infection-induced castration. The periodic starvation experiment also revealed substantial differences in fit between two bioenergetic model variants, which differ in their representation of host starvation. Simulations using the best fit parameters of the winning model suggest that schistosome performance substantially declines with resource fluctuations with periods >7 days. These experiments strengthen mechanistic theory that can be readily scaled up to the population level to understand key feedbacks between resources, host population dynamics, parasitism, and control interventions. Integrating resources with other environmental drivers of disease in an explicit bioenergetic framework could ultimately yield mechanistic predictions for many disease systems.
Fluctuating asymmetry in Onthophagus brendelli (Coleoptera: Scarabaeidae)
<b>Description: </b><p>Contains bilateral trait measurements for Onthophagus brendelli (Scarabaeidae) collected from historical sites of selective logging and old growth forest. Fluctuating asymmetry is measured as the signed difference between the right and left sides of a bilaterally symmetrical feature, such as antennae or legs.</p><p><b>Project: </b>This dataset was collected as part of the following SAFE research project: <a href="https://www.safeproject.net/projects/project_view/128"><b>Tracking insect community responses to experimental habitat fragmentation</b></a></p><p><b>XML metadata: </b>GEMINI compliant metadata for this dataset is available <a href="https://www.safeproject.net/datasets/xml_metadata?id=3975205">here</a></p><p><b>Files: </b>This consists of 1 file: SAFE_data-upload_ktaylor.xlsx</p><p><b>SAFE_data-upload_ktaylor.xlsx</b></p><p>This file contains dataset metadata and 1 data tables:</p><ol><li><p><b>Bilateral trait data</b> (described in worksheet Traits)</p><p>Description: Data frame of trait measurements</p><p>Number of fields: 10</p><p>Number of data rows: 2214</p><p>Fields: </p><ul><li><b>date</b>: date measurements were collected from specimens (Field type: date)</li><li><b>block</b>: forest block where beetles caught (Field type: replicate)</li><li><b>trap_N</b>: trap number where beetles caught (Field type: location)</li><li><b>id</b>: beetle ID number, as recorded on specimens and in other brendelli data (Field type: id)</li><li><b>rep</b>: repeated measurement of the same beetle (Field type: replicate)</li><li><b>sex</b>: best guess of individual sex based on protibia morphology (Ochi, Kon & Barclay, 2009) (Field type: categorical trait)</li><li><b>trait</b>: trait measured (Field type: categorical)</li><li><b>left</b>: measurement of left trait length (Field type: numeric trait)</li><li><b>right</b>: measurement of right trait length (Field type: numeric trait)</li><li><b>fa</b>: signed difference of right length - left length (Field type: numeric trait)</li></ul></li></ol><p><b>Date range: </b>2017-07-10 to 2017-09-05</p><p><b>Latitudinal extent: </b>4.6693 to 4.7714</p><p><b>Longitudinal extent: </b>116.9474 to 117.7031</p><p><b>Taxonomic coverage: </b><br> All taxon names are validated against the GBIF backbone taxonomy. If a dataset uses a synonym, the accepted usage is shown followed by the dataset usage in brackets. Taxa that cannot be validated, including new species and other unknown taxa, morphospecies, functional groups and taxonomic levels not used in the GBIF backbone are shown in square brackets.</p><div> -  Animalia <br> -  -  Arthropoda <br> -  -  -  Insecta <br> -  -  -  -  Coleoptera <br> -  -  -  -  -  Scarabaeidae <br> -  -  -  -  -  -  <i>Onthophagus</i> <br> -  -  -  -  -  -  -  <i>Onthophagus brendelli</i> <br></div><p></p>
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.