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4,010 results for “STABILITY”
YY1 stabilizes super enhancer-promoter loops and gene expression during mesenchymal stem cell aging (Hi-C)
GEO Series GSE261009. Homo sapiens. 2 samples. Type: Other.
Regulation of the NSL complex by TAF4A is critical for genome stability and quiescence of skeletal muscle stem cells [CnR of TAF4A in WT MuSCs]
GEO Series GSE277867. Mus musculus. 6 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
Custom scripts used in the study "Nucleosome positioning stability is a modulator of germline mutation rate variation across the human genome"
<p>Custom scripts and associated data used in the study "Nucleosome positioning stability is a modulator of germline mutation rate variation across the human genome"</p>
Data from: Greater growth stability of trees in marginal habitats suggests a patchy pattern of population loss and retention in response to increased drought at the rear edge
Species rear range-edges are predicted to retract as climate warms, yet evidence of population persistence is accumulating. Accounting for this disparity is essential to enable prediction and planning for species' range retractions. At the Mediterranean edge of European beech-dominated temperate forest, we tested the hypothesis that individual performance should decline at the limit of the species' ecological tolerance in response to increased drought. We sampled 40 populations in a crossed factor design of geographical and ecological marginality and assessed tree growth resilience and decline in response to recent drought. Drought impacts occurred across the rear edge, but tree growth stability was unexpectedly high in geographically isolated marginal habitat and lower than anticipated in the species' continuous range and better-quality habitat. Our findings demonstrate that, at the rear edge, range shifts will be highly uneven and characterised by reduction in population density with local population retention rather than abrupt range retractions.
Temperature and fluid pressurization effects on frictional stability of shale faults reactivated by hydraulic fracturing in the Changning Block, Southwest China
<p class="Affiliation"><span>A shale fault reactivated during multi-stage hydraulic fracturing in the Changning block in the Sichuan Basin, southwest China accompanied a cluster of small earthquakes with the largest reaching<span> </span></span><em>M<sub>L</sub></em><span><span> </span>~0.8. We illuminate the underlying mechanisms of fault reactivation through measurements of frictional properties on simulated fault gouge under hydrothermal conditions. Velocity-stepping experiments were performed at a confining pressure of 60<span> </span></span><em>MPa</em><span>, temperatures from 30 to 300<span> </span></span><em>℃</em><span>, pore fluid pressures from 10 to 55<span> </span></span><em>MPa</em><span><span> </span>and shear velocities between 0.122 and 1.22<span> </span></span><em>μm/s</em><span>. Results show that the gouge is frictionally strong with coefficient of friction of 0.6-0.7 across all experimental conditions. At observed<span> </span></span><em>in-situ</em><span><span> </span>pore fluid pressure (30<span> </span></span><em>MPa</em><span>), the slip stability response is characterized by velocity strengthening at temperatures of 30-200<span> </span></span><em>℃</em><span><span> </span>and velocity weakening at temperatures of 250-300<span> </span></span><em>℃</em><span>. Increasing the pore fluid pressure can increase values of (</span><em>a – b</em><span>) at temperatures ≥ 200<span> </span></span><em>℃</em><span>, narrowing the temperature range where velocity weakening occurs. At the<span> </span></span><em>in-situ</em><span><span> </span>temperature (90</span><em>℃</em><span>), the simulated gouge shows only velocity strengthening behavior and aseismic slip at elevated pore fluid pressures, contrary to the observed seismicity. We postulate that the aseismic slip at elevated pore fluid pressures may trigger seismicity by activating adjacent earthquake-prone faults.</span></p>
Additional entanglement spectra for "Quantum Hall states in the Harper-Hofstadter model: existence, stability and novel phase transitions"
<p>Momentum-resolved entanglement spectra for "Quantum Hall states in the Harper-Hofstadter model: existence, stability and novel phase transitions", a PhD thesis submitted to the University of Kent. Included are spectra for:</p> <ul> <li>Fermionic <span class="math-tex">\(\nu = 1/3\)</span> Laughlin states, at <span class="math-tex">\(\chi = 500\)</span>, <span class="math-tex">\(L_y=8\)</span> and various flux densities.</li> <li>Fermionic <span class="math-tex">\(\nu = 2/5\)</span> Laughlin states, at <span class="math-tex">\(\chi = 800\)</span>, various flux densities and circumferences.</li> <li>Bosonic <span class="math-tex">\(\nu = 1/2\)</span> Laughlin states at <span class="math-tex">\(\chi = 500\)</span>, various flux densities and circumferences.</li> </ul>
Biocatalytic Nanoparticles for the Stabilization of Degassed Single Electron Transfer Living Radical Pickering Emulsion Polymerizations
<p>Raw data for the figures in the main article in Nat. Commun.</p>
Frictional stability of porous tuff breccia under subsurface pressure conditions and implications for shallow seismicity
<p>This data set corresponds to all experimental raw data presented in the manuscript entitled "Frictional stability of porous tuff breccia under subsurface low pressure and implications for shallow seismicity" by Mizoguchi et al. Each file with .dat extension includes four scalar values (elapsed time, shear displacement, normal stress and shear stress) at each time step, delimited by a comma, and can be viewed in any standard text editor. </p>
Co-localization and cluster analysis data for paper "Dynamic regulation of CTCF stability and sub-nuclear localization in response to stress"
<p>This datasets contains all data for the co-localization and cluster analysis included in the following paper<br> "Dynamic regulation of CTCF stability and sub-nuclear localization in response to stress"</p>
Monte-Carlo simulation of dike stability based on a coupled hydro-stability model
<p>With a large network of dikes that in the future will protect up to 15% of the worlds population from flooding, more extreme river discharges that result from climate change will dramatically increase the flood risk of these protected societies. Precise calculations of dike stability under adverse loading conditions will become increasingly important, though the hydrological impacts on dike stability, particularly the effects of groundwater flow, are often oversimplified in stability calculations. In order to better take account of groundwater flow processes, we use a coupled hydro-stability model to indicate relations between the geometry, subsurface materials, groundwater hydrology and stability of a dike. To calculate the stability, the most adverse drained loading conditions are applied to soil slip and basal sliding mechanisms. A database created by an extensive Monte Carlo analysis provides evidence for relations between geometry, material characteristics, hydrology and stability for three different failure processes. The database contains parameter combinations and the corresponding safety factor F. The database can be used to estimate failure probabilities for dike stretches that have not been assessed in detail, while including the uncertainties caused by a lack of in-situ data. </p>
Data from: Trade-offs in provisioning and stability of ecosystem services in agroecosystems
Changes in land use generate trade-offs in the delivery of ecosystem services in agricultural landscapes. However, we know little about how the stability of ecosystem services responds to landscape composition, and what ecological mechanisms underlie these trade-offs. Here, we develop a model to investigate the dynamics of three ecosystem services in intensively-managed agroecosystems, i.e. pollination-independent crop yield, crop pollination, and biodiversity. Our model reveals trade-offs and synergies imposed by landscape composition that affect not only the magnitude but also the stability of ecosystem service delivery. Trade-offs involving crop pollination are strongly affected by the degree to which crops depend on pollination and by their relative requirement for pollinator densities. We show conditions for crop production to increase with biodiversity and decreasing crop area, reconciling farmers' profitability and biodiversity conservation. Our results further suggest that, for pollination-dependent crops, management strategies that focus on maximising yield will often overlook its stability. Given that agriculture has become more pollination-dependent over time, it is essential to understand the mechanisms driving these trade-offs to ensure food security.
Data from: Environmental changes drive the temporal stability of semi-arid natural grasslands through altering species asynchrony
Stability is an important property of ecological systems, many of which are experiencing increasing levels of anthropogenic environmental changes. However, how these environmental changes influence ecosystem stability remains poorly understood. We conducted an 8-year field experiment in a semi-arid natural grassland to explore the effects of two common environmental changes, precipitation and nitrogen enrichment, on the temporal stability of plant above-ground biomass. A split-plot design, with precipitation as the main plot factor and nitrogen as the sub-plot factor, was used. Temporal stability was related to potential explanatory abiotic and biotic variables using regressions and structural equation modelling. Increase in growing season precipitation enhanced plant species richness and promoted temporal stability of plant above-ground biomass. Nitrogen fertilization, however, reduced both plant species richness and temporal stability of plant above-ground biomass. Contrary to expectations, species richness was not an important driver of stability. Instead, community temporal stability was mainly driven by water and nitrogen availability that modulated the degree of species asynchrony, and, to a lesser extent, by the stability of dominant plant species. Synthesis. Our results highlight the importance of limiting resources for regulating community biomass stability, and suggest that the projected increase in growing season precipitation may potentially offset negative effects of increased atmospheric nitrogen deposition on species diversity and community stability in semi-arid grasslands.
Data from: Horizontal and vertical diversity jointly shape food web stability against small and large perturbations
The biodiversity of food webs is composed of horizontal (i.e. within trophic levels) and vertical diversity (i.e. the number of trophic levels). Understanding their joint effect on stability is a key challenge. Theory mostly considers their individual effects and focuses on small perturbations near equilibrium in hypothetical food webs. Here, we study the joint effects of horizontal and vertical diversity on the stability of hypothetical (modelled) and empirical food webs. In modelled food webs, horizontal and vertical diversity increased and decreased stability, respectively, with a stronger positive effect of producer diversity on stability at higher consumer diversity. Experiments with an empirical plankton food-web, where we manipulated horizontal and vertical diversity and measured stability from species interactions and from resilience against large perturbations, confirmed these predictions. Taken together, our findings highlight the need to conserve horizontal biodiversity at different trophic levels to ensure stability.
Data from: Temporal stability of genetic variability and differentiation in the three-spined stickleback (Gasterosteus aculeatus)
Temporal variation in allele frequencies, whether caused by deterministic or stochastic forces, can inform us about interesting demographic and evolutionary phenomena occurring in wild populations. In spite of the continued surge of interest in the genetics of three-spined stickleback (Gasterosteus aculeatus) populations, little attention has been paid towards the temporal stability of allele frequency distributions, and whether there are consistent differences in effective size (Ne) of local populations. We investigated temporal stability of genetic variability and differentiation in 15 microsatellite loci within and among eight collection sites of varying habitat type, surveyed twice over a six-year time period. In addition, Nes were estimated with the expectation that they would be lowest in isolated ponds, intermediate in larger lakes and largest in open marine sites. In spite of the marked differences in genetic variability and differentiation among the study sites, the temporal differences in allele frequencies, as well as measures of genetic diversity and differentiation, were negligible. Accordingly, the Ne estimates were temporally stable, but tended to be lower in ponds than in lake or marine habitats. Hence, we conclude that allele frequencies in putatively neutral markers in three-spined sticklebacks seem to be temporally stable – at least over periods of few generations – across a wide range of habitat types differing markedly in levels of genetic variability, effective population size and gene flow.
Data from: Stability of a coevolving host-parasite system peaks at intermediate productivity
Habitat productivity may affect the stability of consumer-resource systems, through both ecological and evolutionary mechanisms. We hypothesize that coevolving consumer-resource systems show more stable dynamics at intermediate resource availability, while very low-level resource supply cannot support sufficiently large populations of resource and consumer species to avoid stochastic extinction, and extremely resource-rich environments may promote escalatory arms-race-like coevolution that can cause strong fluctuations in species abundance and even extinction of one or both trophic levels.We tested these ideas by carrying out an experimental evolution study with a model bacterium-phage system (Pseudomonas fluorescens SBW25 and its phage SBW25Φ2). Consistent with our hypothesis, this system was most stable at intermediate resource supply (fewer extinction events and smaller magnitude of population fluctuation). In our experiment, the rate of coevolution between bacterial resistance and phage infectivity was correlated with the magnitude of population fluctuation, which may explain the different in stability between levels of resource supply. Crucially, our results are consistent with a suggestion that, among the two major modes of antagonistic coevolution, arms race is more likely than fluctuation selection dynamics to cause extinction events in consumer-resource systems. This study suggests an important role of environment-dependent coevolutionary dynamics for the stability of consumer-resource species systems, therefore highlights the importance to consider contemporaneous evolutionary dynamics when studying the stability of ecosystems,particularly those under environmental changes.
Secondary contact, introgressive hybridization and genome stabilization in sticklebacks
<p>Variant data in vcf format and SNPEFF annotation related files for the manuscript "Secondary contact, introgressive hybridization and genome stabilization in sticklebacks".</p>
The impact of planting density on the morphological traits and peak pullout force of vegetation and slope stability
<p><a href="../api/records/10937858/draft/files/NC_morphological.xls/content" target="_blank" rel="noopener noreferrer">NC_morphological.xl</a>s and <a href="../api/records/10937858/draft/files/NC_morphological.xls/content" target="_blank" rel="noopener noreferrer">MS_morphological.xls files include all morphological traits of two species, </a><a href="../api/records/10937858/draft/files/ms_force_space.RData/content" target="_blank" rel="noopener noreferrer">ms_force_space.RData</a><a href="../api/records/10937858/draft/files/NC_morphological.xls/content" target="_blank" rel="noopener noreferrer"> and nc</a><a href="../api/records/10937858/draft/files/ms_force_space.RData/content" target="_blank" rel="noopener noreferrer">_force_space.RData files include the uprooting force - time data.</a></p> <p><a href="../api/records/10937858/draft/files/ms_force_space.RData/content" target="_blank" rel="noopener noreferrer">In ms_force_space.RData</a><a href="../api/records/10937858/draft/files/NC_morphological.xls/content" target="_blank" rel="noopener noreferrer"> and nc</a><a href="../api/records/10937858/draft/files/ms_force_space.RData/content" target="_blank" rel="noopener noreferrer">_force_space.RData, Time means sampling time, AI1.01 means uprooting force, sample means the sampling ID, test means different planting densities. </a></p> <p><span>This study examines the influence of planting density on the morphological traits and peak pullout force of two herbaceous plant species, <em>Medicago sativa</em> (MS) and <em>Nepeta cataria</em> (NC), and their collective impact on slope stability. Through field experiments across six planting densities (8, 11, 16, 25, 44, and 100 plants/m²), we evaluated changes in plant morphology, root and shoot biomass, and root anchorage strength. The peak pullout force was analyzed using the infinite slope stability model to assess its correlation with slope stability coefficients.</span></p>
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>
Fig. 6 in Long-Term Development Of Fish Assemblage In Lake Fenéki (Kis-Balaton Water Protection System, Hungary): Succession, Invasion And Stabilization
Fig. 6. Relative abundance of the fish species in Lake Fenéki in the sampling years
Data files for the publication "Charge transfer across C-H---O hydrogen bonds stabilizes oil droplets in water"
<p>This dataset includes text/dat files for all the data included in the manuscript " Charge transfer across C-H---O hydrogen bonds stabilizes oil droplets in water".</p>
ScienceDex guides
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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.