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6 results for “O2 dynamics”
Datasets for the article "Emerging patterns of CO2:O2 dynamics in rivers and their link to ecosystem carbon processing "
<p>Datasets supporting the article "Emerging patterns of CO2:O2 dynamics in rivers and their link to ecosystem carbon processing". The datasets are analized using the acompanying repository in github (https://github.com/rocher-ros/O2_CO2_rivers).</p> <p> </p> <p>Currently the publication is under review, for further information and details on the analysis visit the github repository or the acompannying article. </p>
Data from: A meta-analysis of plant tissue O2 dynamics
<p><span>This dataset includes 1,567 recorded tissue O<sub>2</sub> levels from 112 plant species extracted from published literature. The data forms the basis of the publication "A meta-analysis of plant tissue </span><span>O<sub>2</sub></span><span> dynamics" with the following abstract:</span><br><br><span>Adequate tissue </span><span>O<sub>2</sub></span><span> supply is crucial for plant functioning. We therefore aimed at identifying environmental conditions and plant characteristics affecting plant tissue </span><span>O<sub>2</sub></span><span> status. We extracted data and performed meta-analysis on > 1,500 published tissue </span><span>O<sub>2</sub></span><span> measurements from 112 species. Tissue </span><span>O<sub>2</sub></span><span> status ranged from anoxic conditions in especially roots, to > 53 kPa in submerged, photosynthesizing shoots. Using </span><span>information-theoretic</span><span> model selection</span><span>, we identified 'submergence', 'light', 'tissue type' as well as 'light × submergence' interaction as significant drivers of tissue </span><span>O<sub>2</sub></span><span> status. Median </span><span>O<sub>2</sub></span><span> status was especially low (< 50% of atmospheric equilibrium) in belowground rhizomes, potato tubers and root nodules. Mean shoot and root </span><span>O<sub>2</sub></span><span> was ~25% higher in light than in dark when shoots had atmospheric contact. However, light showed a significant interaction with submergence on plant </span><span>O<sub>2</sub></span><span>, with a submergence-induced 44% increase in light, compared with a 42% decline in dark, relative to plants with atmospheric contact. During submergence, ambient water column </span><span>O<sub>2</sub></span><span> and shoot tissue </span><span>O<sub>2</sub></span><span> correlated stronger in darkness than in light conditions. Although miniaturised Clark-type </span><span>O<sub>2</sub></span><span> electrodes in particular have resulted in enhanced understanding of plant </span><span>O<sub>2</sub></span><span> dynamics, the use of non-invasive methods is still lacking behind</span> <span>its widespread use in</span><span> mammalian tissues. </span></p>
Data from: A meta-analysis of plant tissue O2 dynamics
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Dataset for "Dynamical Study of the Reaction of N+ Ions with O2 Neutrals"
<p>Dataset for "Dynamical Study of the Reaction of N+ Ions with O2 Neutrals"</p>
Data from: In situ 15N-N2O site preference and O2 concentration dynamics disclose the complexity of N2O production processes in agricultural soil
<p class="MsoNormal"><span>Arable soil continues to be the dominant anthropogenic source of nitrous oxide (N<sub>2</sub>O) emissions owing to application of nitrogen (N) fertilizers </span><span>and manures across the world. Using</span><span> laboratory </span><span>and </span><em><span>in-situ</span></em><span> studies to elucidate the key factors controlling soil N<sub>2</sub>O emissions remains challenging due to the potential importance of multiple complex processes. We<em> </em>examined soil surface N<sub>2</sub>O fluxes in an arable soil, combined with<em> in-situ</em> high</span><span>-</span><span>frequency measurements of soil matrix oxygen (O<sub>2</sub>) and N<sub>2</sub>O concentrations, </span><em><span>in situ</span></em><span> <sup>15</sup>N labeling, and</span><span> N<sub>2</sub>O <sup>15</sup>N site preference (SP). The </span><em><span>in situ</span></em><span> O<sub>2</sub> concentration and further microcosm visualized spatiotemporal distribution of O<sub>2</sub> both suggested that O<sub>2</sub> dynamics were the proximal determining factor to matrix N<sub>2</sub>O concentration and fluxes due to quick O<sub>2</sub> depletion after N fertilization. Further SP analysis<em> </em>and<em> in situ</em> <sup>15</sup>N labeling experiment revealed </span><span>that the main source for N<sub>2</sub>O emissions was bacterial denitrification during the hot-wet summer with lower soil </span><span>O<sub>2</sub></span><span> concentration, while nitrification or fungal denitrification contributed about 50<span>.0</span>% to total emissions during the cold-dry winter with higher soil </span><span>O<sub>2</sub></span><span> concentration. </span><span>The robust positive correlation between O<sub>2</sub> concentration and SP values underpinned that the O<sub>2</sub> dynamics were the key factor to differentiate the composite processes of N<sub>2</sub>O production in <em>in situ</em> structured soil. Our findings deciphered the complexity of N<sub>2</sub>O production processes in real field conditions, and suggest that O<sub>2</sub> dynamics rather than stimulation of functional gene abundances play a key role in controlling soil N<sub>2</sub>O production processes in undisturbed structure soils. </span><span>Our results help to develop targeted N<sub>2</sub>O mitigation measures and to improve process models for constraining global N<sub>2</sub>O budget.</span></p>
Data from: In situ 15N-N2O site preference and O2 concentration dynamics disclose the complexity of N2O production processes in agricultural soil
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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.