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3,339 results for “heterogeneities”
Supplementary material 3 from: Iannone BV III, Potter KM, Guo Q, Jo I, Oswalt CM, Fei S (2018) Environmental harshness drives spatial heterogeneity in biotic resistance. NeoBiota 40: 87-105. https://doi.org/10.3897/neobiota.40.28558
Section-level standardised slope estimates for the 91 ecological sections from initial models of invasive richness and cover in response to four metrics of evolutionary relatedness—PSC, PSV, PD and PSE :
Supplementary material 2 from: Iannone BV III, Potter KM, Guo Q, Jo I, Oswalt CM, Fei S (2018) Environmental harshness drives spatial heterogeneity in biotic resistance. NeoBiota 40: 87-105. https://doi.org/10.3897/neobiota.40.28558
Description of differences between Northern and Southern FIA Regions in invasive plant species monitoring protocols :
Supplementary material 1 from: Iannone BV III, Potter KM, Guo Q, Jo I, Oswalt CM, Fei S (2018) Environmental harshness drives spatial heterogeneity in biotic resistance. NeoBiota 40: 87-105. https://doi.org/10.3897/neobiota.40.28558
Locations of Northern and Southern FIA Regions and of the ecological domains, provinces and sections in which study plots were located :
Data used for the paper Daniel Malko, Yanjun Guo, Pip Jones, George Britovsek, and Anthony Kucernak, "Heterogeneous iron containing carbon catalyst (Fe-N/C) for epoxidation with molecular oxygen|", Journal of Catalysis, 2019, DOI:10.1016/j.jcat.2019.01.008
<p>The data in this spreadsheet was used to produce the figures in the paper</p> <p>Daniel Malko, Yanjun Guo, Pip Jones, George Britovsek, and Anthony Kucernak</p> <p>Heterogeneous iron containing carbon catalyst (Fe-N/C) for epoxidation with molecular oxygen</p> <p>Journal of Catalysis</p> <p>DOI:10.1016/j.jcat.2019.01.008</p> <p>Please cite the above reference if you wish to use this data<br> DOI of this data file is: 10.5281/zenodo.2539183</p>
Raw data of the manuscript: Heterogeneous Freezing of Liquid Suspensions Including Juices and Extracts from Berries and Leaves from perennial Plants
<p>Freezing data</p>
Petrological and chemical modifications during impact melting and cooling in shocked lunar regolith: Insights from heterogeneous Chang'E-5 impact melt-bearing particle
<p>Petrological, mineralogical and chemical data of the lunar impact-melt bearing particle C10 from the Chang'E-5 regolith, and scripts for mesoscale modeling and mixing composition calculations.</p>
Quantifying 3D time-resolved kinematics and kinetics during rapid granular compaction, Part II: dynamics of heterogeneous pore collapse
<p>Dataset containing the raw X ray CT data, experimental XPCI images and input files for Abaqus simulations for the article titled ' Quantifying 3D time-resolved kinematics and kinetics during rapid granular compaction, Part II: dynamics of heterogenous pore collapse' . </p>
Data Supporting Dissipation Scaled Internal Wave Drag in a Global Heterogeneously Coupled Internal/External Mode Total Water Level Model
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Data for "Differential effects of Daphnia genotype composition on spatial environmental heterogeneity in experimental metacommunities"
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First-principle Heterogeneous Memristor Based Fourier Transform
<p>The datasets generated and analyzed during First-principle Heterogeneous Memristor Based Fourier Transform</p>
Data from the manuscript "Is the 2010 Maule Earthquake a repeating earthquake? Rupture heterogeneities and their impact on ground motion, landslides and cortical faults in Subduction Zones. "
<p>MATLAB data and codes used for the manuscript are provided. These calculate ground motion from a heterogeneous rupture, similar to the approach used in Venegas-Aravena (2024). The rupture simulation can be performed using the 'HE_B rupture.mat' code, which implements the Heterogeneous Energy-Based method (Venegas-Aravena, 2023) to model the 2010 Mw 8.8 Maule earthquake. The code for generating ground motion, 'Displacement_field.mat', calculates near-, intermediate-, and far-field displacement fields following equations 4.32 in Aki and Richards (2002) as a summation of point sources from the earthquake rupture. The subduction geometry is included in this dataset. The code can compute displacements in rho, theta, phi, direction and in east-west, north-south, and dip directions after following code instructions. Additionally, it includes a feature to add Rayleigh waves, although this was not utilized in the 2010 Maule earthquake manuscript.<br><br>A video showing the data can be seen here: <strong>https://youtu.be/6Zf3fgb6AGc.</strong><br><br><br>References</p> <p>Aki and Richards (2002): QUANTITATIVE SEISMOLOGY, SECOND EDITION.</p> <p>Venegas-Aravena (2023): https://doi.org/10.1515/geo-2022-0522.</p> <p>Venegas-Aravena (2024): https://doi.org/10.1007/s11069-024-06651-9.<br><br></p>
DMGAT: Predicting ncRNA-Drug resistance associations based on diffusion map and heterogeneous graph attention network
<p>Dataset for the paper: DMGAT: Predicting ncRNA-Drug resistance associations based on diffusion map and heterogeneous graph attention network</p>
Supplementary Material from: Extreme mantle heterogeneity revealed by geochemical investigation of in-situ lavas at the central Mohns Ridge, Arctic Mid-Ocean Ridges
<p>Geochemical data (major and trace elements + Pb, Sr and Nd isotopes) from the Mohns and Knipovich Ridges generated during the study: Extreme mantle heterogeneity revealed by geochemical investigation of in-situ lavas at the central Mohns Ridge, Arctic Mid-Ocean Ridges</p>
Unravelling the Molecular Structure and Confining Environment of an Organometallic Catalyst Heterogenized within Amorphous Porous Polymers
<p>Raw data corresponding to Figure 4c of the following publicaiton: </p> <div> <div> <div>Jabbour, R.; Ashling, C. W.; Robinson, T. C.; Khan, A. H.; Wisser, D.; Berruyer, P.; Ghosh, A. C.; Ranscht, A.; Keen, D. A.; Brunner, E.; Canivet, J.; Bennett, T. D.; Mellot-Draznieks, C.; Lesage, A.; Wisser, F. M. Unravelling the Molecular Structure and Confining Environment of an Organometallic Catalyst Heterogenized within Amorphous Porous Polymers. <em>Angewandte Chemie International Edition</em> <strong>2023</strong>, <em>62</em> (44), e202310878. <a href="https://doi.org/10.1002/anie.202310878">https://doi.org/10.1002/anie.202310878</a>.</div> </div> </div>
Data for "Earthquake nucleation and slip behavior altered by stochastic normal stress heterogeneity"
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Spatial heterogeneity and driving mechanism of the response of lake area to drought for lakes in China
<p>This is the lake area data from the article "Spatial heterogeneity and driving mechanism of the response of lake area to drought for lakes in China".</p>
Probing Spatial Variation in AFM-Measured Adhesion: Implication of Distributed Nanoscale Charge Heterogeneity
<p><span>The adhesion forces between a microsphere and a silica substrate were measured using AFM. NaCl solutions at concentrations of 0.001 M, 0.005 M, 0.01 M, 0.05 M, and 0.1 M were used sequentially to measure the adhesion forces. </span></p>
Data from: Is tropical montane forest heterogeneity promoted by a resource-driven feedback cycle? Evidence from nutrient relations, herbivory and litter decomposition along a topographical gradient
1. Ridges of tropical mountains often differ strikingly from neighbouring ravines in terms of forest structure, productivity, and species composition. This heterogeneity is poorly understood despite its critical role in biodiversity maintenance, carbon and nutrient budgets. 2. We examined measures of tree biomass and productivity, foliage and litter quality (nutrient concentrations, specific leaf mass, phenolics), herbivory and leaf litter decomposition in each six plots laid out in upper and lower slope position in a tropical montane moist forest in southeastern Ecuador. 3. Productivity, quality of foliage and litter and herbivory were significantly lower in upper slope position and closely correlated with soil nutrient concentrations and accumulated humus. The decomposition of upper slope leaf litter (decomposition rate k) was substantially lower than in litter from lower slope forest, whereas the site of decomposition (slope position) only had a marginal effect on the decomposition rate. 4. Our results suggest that the differences in stand structure, productivity, foliar quality, herbivory and decomposition between slope positions are ultimately due to stronger nutrient limitations in upper slope forest. We propose a general conceptual model that explains origin and maintenance of contrasting forest types along topographical gradients through down-slope fluxes of nutrients and water, and a nutrient-driven positive feedback cycle.
Data from: Environmental heterogeneity and population differences in blue tits personality traits
Environmental heterogeneity can result in spatial variation in selection pressures that can produce local adaptations. The pace-of-life syndrome hypothesis predicts that habitat-specific selective pressures will favor the coevolution of personality, physiological, and life-history phenotypes. Few studies so far have compared these traits simultaneously across different ecological conditions. In this study, we compared 3 personality traits (handling aggression, exploration speed in a novel environment, and nest defense behavior) and 1 physiological trait (heart rate during manual restraint) across 3 Corsican blue tit (Cyanistes caeruleus) populations. These populations are located in contrasting habitats (evergreen vs. deciduous) and are situated in 2 different valleys 25 km apart. Birds from these populations are known to differ in life-history characteristics, with birds from the evergreen habitat displaying a slow pace-of-life, and birds from the deciduous habitat a comparatively faster pace-of-life. We expected personality to differ across populations, in line with the differences in pace-of-life documented for life-history traits. As expected, we found behavioral differences among populations. Despite considerable temporal variation, birds exhibited lower handling aggression in the evergreen populations. Exploration speed and male heart rate also differed across populations, although our results for exploration speed were more consistent with a phenotypic difference between the 2 valleys than between habitats. There were no clear differences in nest defense intensity among populations. Our study emphasizes the role of environmental heterogeneity in shaping population divergence in personality traits at a small spatial scale.
Data from: Decreased root heterogeneity and increased root length following grassland invasion
1. Plant invasions can be promoted by environmental heterogeneity, but the opposite effect, the impact of plant invasion on heterogeneity, has received little attention. Grassland invasions might contribute to decreased spatial heterogeneity because invaders tend to be larger than native vegetation. Lowered heterogeneity may contribute to the low diversity of invaded communities, as well as to the persistence of invasive populations. 2. We compared the spatial heterogeneity of roots and resources in uninvaded native grassland and in stands invaded by a relatively large exotic grass (Agropyron cristatum), in four combinations of mowing and nitrogen (N) addition. We focused on roots because they account for the majority of primary production in grasslands. 3. The spatial heterogeneity of root length (m root / m2 rhizotron image) and root production was significantly lower beneath A. cristatum than uninvaded grassland. This result was consistent in all combinations of mowing and N addition. 4. Beneath the invader, root length was significantly greater, and the proportion of samples that contained roots was significantly higher. This suggests that the invader decreased spatial heterogeneity by more completely filling the soil volume with roots. 5. Resource heterogeneity varied significantly between vegetation types in just one out of four cases examined, suggesting that invader effects on resource heterogeneity were small relative to its effects on root heterogeneity. 6. These results suggest a novel mechanism promoting invader success and persistence: high root heterogeneity, lower root length, and empty soil volumes in native grassland may make it relatively vulnerable to invasion, while reduced heterogeneity and greater root length in invaded grasslands may sustain stable, low-diversity communities dominated by the invader. Lowered heterogeneity accompanying invasion may partly account for the wide-spread occurrence of low diversity, invader dominated grasslands in North America.
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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.