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4,669 results for “Environment;”
Data from: Select and resequence reveals relative fitness of bacteria in symbiotic and free-living environments
Assays to accurately estimate relative fitness of bacteria growing in multistrain communities can advance our understanding of how selection shapes diversity within a lineage. Here, we present a variant of the "evolve and resequence" approach both to estimate relative fitness and to identify genetic variants responsible for fitness variation of symbiotic bacteria in free-living and host environments. We demonstrate the utility of this approach by characterizing selection by two plant hosts and in two free-living environments (sterilized soil and liquid media) acting on synthetic communities of the facultatively symbiotic bacterium Ensifer meliloti. We find (i) selection that hosts exert on rhizobial communities depends on competition among strains, (ii) selection is stronger inside hosts than in either free-living environment, and (iii) a positive host-dependent relationship between relative strain fitness in multistrain communities and host benefits provided by strains in single-strain experiments. The greatest changes in allele frequencies in response to plant hosts are in genes associated with motility, regulation of nitrogen fixation, and host/rhizobia signaling. The approach we present provides a powerful complement to experimental evolution and forward genetic screens for characterizing selection in bacterial populations, identifying gene function, and surveying the functional importance of naturally occurring genomic variation.
Low Poly Western Building and Environment
Western building and environments all of them game ready. Feel free to use in your projects! Source: Objaverse 1.0 / Sketchfab
japan environment assets
these are a collection of assest in japanese theme containing shrines tori gates, and variety of diffrent models in said theme. Source: Objaverse 1.0 / Sketchfab
Cannon Environment Bake
My Baked Environment with Baked Textured Cannon model for my W9: Create High and Bake Assignment for DIG4324C class. Source: Objaverse 1.0 / Sketchfab
Prediction of Compounds in Different Local SAR Environments using ECP
<p>SD files of 15 data sets reported in the manuscript are uploaded. Each data set is represented by its CHEMBL Target ID. The file format is provided in the file 'description.txt'.</p>
Semi-Supervised Active Learning for Sound Classification in Hybrid Learning Environments
<p>There are 16,930 sound instances in our database with durations ranging 242 from 1 to 10 seconds, which correspond to (approximately) 15 hours of environmental 243 sounds. All sound files were converted into raw 16 bit encoding, mono-channel, and 16 244 kHz sampling rate, as various formats and rates were used in the original versions 245 retrieved from the web.</p>
Semi-Supervised Active Learning for Sound Classification in Hybrid Learning Environments
<p>There are 16,930 sound instances in our database with durations ranging 242 from 1 to 10 seconds, which correspond to (approximately) 15 hours of environmental 243 sounds. All sound files were converted into raw 16 bit encoding, mono-channel, and 16 244 kHz sampling rate, as various formats and rates were used in the original versions 245 retrieved from the web.</p>
Line: Evaluating Software Applications in Unreliable Environments - Data
<p>This dataset release supports the results presented in the paper<br> "LINE: Evaluating Software Applications in Unreliable Environments", by J. F. Perez and G. Casale, accepted in IEEE Transactions on Reliability (TRE). </p> <p>When referring to the dataset or companion software please cite the paper above.</p> <p> </p>
Figure 3a. - The typical alpine environment in the high Varaita valley where the caves colonized by Pimoadelphinica are found.
Figure 3a. - The typical alpine environment in the high Varaita valley where the caves colonized by Pimoadelphinica are found.
Figure 3a. - The typical alpine environment in the high Varaita valley where the caves colonized by Pimoadelphinica are found.
Figure 3a. - The typical alpine environment in the high Varaita valley where the caves colonized by Pimoadelphinica are found.
Northern Hemisphere summer insolation and ice volume driven variations in hydrological environment in southwest China
<p>This dataset from a stalagmite record from Chongqing, Southwest China, provides a high-resolution trace element record from the Last Glacial-Interglacial (116.09 to 4.07 ka BP) up to the sub-centennial scale. Line scans of Element/Calcium ratios of the speleothem were measured by laser ablation ICPMS. Chronology is based on 58 U-Th ages.</p>
Combining X-ray Diffraction and X-ray Absorption Spectroscopy to Unveil Zn Local Environment in Zn-Doped ZrO2 Catalysts
<p>K-space EXAFS spectra; additional PXRD results; EXAFS fitting for reference t-ZrO2; fwhm analysis of first derivative of the Zr K-edge XANES main edge; EXAFS fitting for reference h-ZnO; test Zr K-edge EXAFS fitting of ZrZn-5 using a c-ZrO2 model; additional details on input structures employed in Zn K-edge EXAFS fitting; additional details on cluster size evaluation; additional details on <i>in situ</i> XAS data during activation in H2 and related EXAFS analysis using the Einstein model; <i>in situ</i> XAS data under reaction conditions (CO2/H2, 300 °C, 15 bar) </p>
Crustal thicknesses, Moho depths and 3-D density anomaly model for GJI paper: Crustal structure of onshore-offshore Atlantic Canada and environs from constrained 3-D gravity inversion using variable mesh depths by J. Kim Welford
<p>The files are provided as ascii text files in terms of both latitudes/longitudes and eastings/northings. For the 3-D density anomaly model, it is provided with columns of x, y, z, and absolute density. The conversions from latitudes/longitudes to eastings/northings for all of the models and maps in this work are computed with ellipsoid WGS-84 and UTM zone 19 using Generic Mapping Tools.</p>
Dataset/Models for: Active learning accelerated exploration of the single atom local environments in multimetallic systems for oxygen electrocatalysis
<p>This is the datasets and trained models for the work "Active learning accelerated exploration of the single atom local environments in multimetallic systems for oxygen electrocatalysis", by Hoje Chun, Jaclyn R. Lunger, Jeung Ku Kang, Rafael Gómez-Bombarelli, and Byungchan Han. Folder named Models contains the trained models of "m-PaiNN" and "per-site PaiNN". Folder named Dataset contains the torch dataset and Dataset_raw contains the raw Density Functional Theory (DFT) dataset parsed in format of pymatgen Structure. Some structures (868) in the search space are missing due to the lost track of the geometry optimization during the initial dataset curation.</p>
ScientISST MOVE: Annotated Wearable Multimodal Biosignals recorded during Everyday Life Activities in Naturalistic Environments
<p>A multi-modality, multi-activity, and multi-subject dataset of wearable biosignals.</p><p><strong>Modalities:</strong> ECG, EMG, EDA, PPG, ACC, TEMP</p><p><strong>Main Activities:</strong> Lift object, Greet people, Gesticulate while talking, Jumping, Walking, and Running</p><p><strong>Cohort: </strong>17 subjects (10 male, 7 female); median age: 24</p><p><strong>Devices: </strong>2x ScientISST Core + 1x Empatica E4</p><p><strong>Body Locations: </strong>Chest, Abdomen, Left bicep, wrist and index finger</p><p>No filter has been applied to the signals, but the correct transfer functions were applied, so the data is given in relevant unis (mV, uS, g, ºC).</p><p>For more information on background, methods and the acquisition protocol, refer to <a href="https://doi.org/10.13026/0ppk-ha30">https://doi.org/10.13026/0ppk-ha30</a>.</p><p>========</p><p>In this repository, there are two formats available:</p><h4><strong>a) LTBio's Biosignal files. Should be open like:</strong></h4><p><i>x = Biosignal.load(path)</i></p><p>LTBio Package: <a href="https://pypi.org/project/LongTermBiosignals/">https://pypi.org/project/LongTermBiosignals/</a></p><p>Under the directory <i>biosignal</i>, the following tree structure is found: <i>subject/x.biosignal</i>, where <i>subject</i> is the subject's code, and <i>x</i> is any of the following {<i> acc_chest, acc_wrist, ecg, eda, emg, ppg, temp</i> }. Each file includes the signals recorded from every sensor that acquires the modality after which the file is named, independently of the device.</p><p>Channels, activities and time intervals can be easily indexed with the index operator <i>[]</i> ( <a href="https://ltbio.readthedocs.io/en/latest/learn/basic/ltbio101.html">https://ltbio.readthedocs.io/en/latest/learn/basic/ltbio101.html</a> ).</p><p>A sneak peak of the signals can also be quickly plotted with: <i>x.preview.plot()</i></p><p>Any Biosignal can be easily converted to NumPy arrays or DataFrames, if needed.</p><h4><strong>b) CSV files. Can be open like:</strong></h4><p><i>x = pandas.read_csv(path)</i></p><p>Pandas Package: <a href="https://pypi.org/project/pandas/">https://pypi.org/project/pandas/</a></p><p>These files can be found under the directory <i>csv</i>, named as <i>subject.csv</i>, where <i>subject</i> is the subject's code. There is only one file per subject, containing their full session and all biosignal modalities. When read as tables, the time axis is in the first column, each sensor is in one of the middle columns, and the activity labels are in the last column. In each row are the samples of each sensor, if any, at each timestamp. At any given timestamp, if there is no sample for a sensor, it means the acquisition was interrupted for that sensor, which happens between activities, and sometimes for short periods during the running activity. Also in each row, on the last column, is one or more activity labels, if an activity was taking place at that timestamp. If there are multiple annotations, the labels are separated by vertical bars (e.g '<i>run | sprint</i>'). If there are no annotations, the column is empty for that timestamp.</p><p>In order to provide a tabular format with sensors with different sampling frequencies, the sensors with sampling frequency lower than 500 Hz were upsampled to 500 Hz. This way, the tables are regularly sampled, i.e., there is a row every 2 ms. If a sensor was not acquiring at a given timestamp, the corresponding cell with be empty. So, not only the segments with samples are regularly sampled, but the interruptions are also discretised. This means that if, after an interruption, a sensor starts acquiring at a non regular timestamp, the first sample will be written on the previous or the following timestamp, by half-up rounding. Naturally, this process cumulatively introduces lags in the table, some of which cancel out. Each individual lag is no longer than half the sampling period (1 ms), hence negligible. The cumulative lags are no longer than 48 ms for all subjects, which is also negligible. Nevertheless, only the LBio's Biosignal format preserves the exact original timestamps (10E-6 precision) of all samples and the original sampling frequencies.</p><p>================</p><p>Both include annotations of the activities, however LTBio bio signal files have better time resolution and include clinical data and demographic data as well.</p>
Exploring Influential Workplace Environment Factors that Cause Employees Performance and Productivity
<p>To serve as catalyst for the development and empowerment of individuals, professionals and institutions through capacity building and sustainable solutions. The main mission of FIJMR is to provide a platform for innovative research and advancement in multidisciplinary fields research. This research journal will facilitate the collaboration between industry and academia. It can help bridge the gap between theory and practice, enabling researchers to develop practical solutions to real-world problems. One of the most exciting aspects of FIJMR's mission is its commitment to promoting national and international collaboration. This can help researchers from different regions and backgrounds share their expertise and learn from one another, leading to more innovative and effective research outcomes. Additionally, by promoting development within FGEI and across the country, FIJMR can help support economic growth and sustainability across the continent. Overall, mission of FIJMR efforts will be to promote multidisciplinary research and innovation.</p>
Carole Niffenegger, Sebastian Dirren, Christian Schano, Fränzi Korner-Nievergelt (2023) Data from : Natural nest cavities in a high elevation habitat provide a more constant thermal environment than human-made nest cavities
<p><strong>Abstract</strong></p><p>Nest cavities with suitable thermal conditions can provide fitness benefits for birds through reduced thermoregulatory cost. Insulation can however vary between natural and human-made cavities. While several studies have assessed cavity temperatures, research from high elevation habitats, where environmental conditions are particularly variable, is still scarce. We compared temperature profiles of vacant natural and human-made nest cavities of white-winged snowfinches <i>Montifringilla nivalis</i>, a high elevation cavity nestling species. Human-made cavities experienced more extreme temperatures, with potential consequences for offspring viability, bringing into question their suitability as conservation measure, particularly as extreme temperature events become more frequent. </p>
Salpa genome and developmental transcriptome analyses reveal molecular flexibility enabling reproductive success in a rapidly changing environment
<p>Ocean warming favors pelagic tunicates, such as salps, that exhibit increasingly frequent and rapid population blooms, impacting trophic dynamics and composition and human marine-dependent activities. Salp blooms are a result of their successful reproductive life history, alternating seasonally between asexual and sexual protogynous (i.e. sequential) hermaphroditic stages. While predicting future salp bloom frequency and intensity relies on an understanding of the transitions during the sexual stage from female through parturition and subsequent sex change to male, these transitions have not been explored at the molecular level. Here we report the development of the first complete genome of S. thompsoni and the North Atlantic sister species S. aspera. Genome and comparative analyses reveal an abundance of repeats and G-quadruplex (G4) motifs, a highly stable secondary structure, distributed throughout both salp genomes, a feature shared with other tunicates that perform alternating sexual-asexual reproductive strategies. Transcriptional analyses across sexual reproductive stages for S. thompsoni revealed genes associated with male sex differentiation and spermatogenesis are expressed as early as birth and before parturition, inconsistent with previous descriptions of sequential sexual differentiation in salps. Our findings suggest salp are poised for reproductive success at birth, increasing the potential for bloom formation as ocean temperatures rise.</p>
Data from: Loss and recovery of ecological diversity associated with evolutionary rescue in abruptly and gradually deteriorating environments
<p><span>Populations may survive environmental deterioration by evolutionary adaptation. However, such evolutionary rescue events may be associated with ecological costs, such as reduction in growth performance and loss of ecologically important genetic diversity. Those negative ecological consequences may be mitigated by additional adaptive evolution. Both the ecological costs and the opportunities for additional evolution are contingent on the severity of environmental deterioration. Here we hypothesize that populations evolutionarily rescued from faster, relative to slow, environmental deterioration suffer more severe long-term fitness decline and diversity loss. An experiment with the model adaptive radiation of bacterium <em>Pseudomonas fluorescens</em> exposed to abruptly or gradually increased antibiotic stress supported our hypothesis. The effect of additional adaptive evolution in recovering population size and ecological diversity was far from perfect. Cautions are therefore needed in predicting the role of rapid evolution for mitigating the impacts of environmental changes, in particular very fast environmental deterioration. We also found that bacterial populations rescued from gradually increased antibiotic stress evolved higher levels of antibiotic resistance, lending more support to </span><span>aggressive chemotherapy in pathogen control</span><span>.</span></p>
Data from: A unique Late Cretaceous fossil wood assemblage from Chilean Patagonia provides clues to high-latitude continental environment
<p>Fossil plants, including large trunks, stems, some branches, and twigs, were collected from the Maastrichtian (68.9 Mya), upper Dorotea Formation in the Magallanes/Austral Basin, 16 km north of the Cerro Guido-Las Chinas complex in the southern Chilean Magallanes region. These fossil trunks range from 0.2 m to 2.2 m in length. Petrographic slides were made in three sections (transverse, radial, and tangential) and analysed under a light microscope to study the permineralised fossils. The woods and stems belong to Austroginkgoxylon gen. et sp. nov., Agathoxylon antarcticum, Podocarpoxylon paradoxi sp. nov., Podocarpoxylon mazzonii, Palmoxylon subantarcticae, and Nothomalvaceoxylon magallanense gen.et sp. nov. The growth rings of gymnosperms and anatomical characters of angiosperms were analysed to obtain palaeoecological data. Interactions between gymnosperm roots growing into the secondary xylem of an angiosperm (nurse logs) are recorded. The data obtained from the fossil woods suggest warm and humid conditions in this southern South American locality during the Late Cretaceous, providing a unique opportunity to study continental environments at high southern latitudes, which are poorly represented on a global scale.</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.