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9,113 results for “Sampling”
Female fiddler crabs, Austruca lactea (Decapoda: Ocypodidae), adjust their rate of mate sampling based on remaining days until oviposition under a size-dependent temperature constraint
<p>The rate of mate sampling is one of the critical components associated with the sampling costs in female mate choice. In ectotherms, environmental temperature generally constrains locomotion performance. In addition, females will adjust the mate sampling rate depending on their breeding schedule because of the risk of remaining unfertilized eggs or a loss of benefits related to mating, if they lost the opportunity to copulate. This study investigated how these effects influence the rate of female mate sampling in the temperate fiddler crab (<em>Austruca lactea</em>) in the field. The number of sampled males per searching duration formed a convex curve against environmental temperature. The optimal environmental temperature increased with the female body size. These results suggest that the mate sampling rate would be under a size-dependent temperature constraint, and sampling costs would be lower for larger females than smaller individuals under high-temperature conditions. Furthermore, when there were fewer remaining days, the mate sampling rate increased. Females would hasten the sampling rate to ensure a suitable burrow for breeding. Mate sampling rate in female A. lactea is therefore associated with environmental temperature, female body size, and remaining days until oviposition.</p>
Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore: Tegnùa Sasso Madonnina, Site B, Rock samples
<p>Rock samples</p> <p>Research Activity: Geology of the Northern Adriatic Biogenic Reefs</p> <p>Project: Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore </p> <p>Scientific coordinators: Sandra Donnici (CNR) and Luigi Tosi (CNR)</p> <p>Scientific Divers: Andrea Bergamasco (CNR), Luigi Tosi (CNR), Marco Sigovini (CNR), Giuseppe Pessa (Greensea, Società Coperativa)</p> <p>Surface coordinator: Alessandro Bergamasco (CNR)</p> <p>Sampling Date: 2019.10.24</p> <p>Sampling Site: Tegnùa Sasso Madonnina</p> <p>Site Coordinates: 45.59052 N; 12.89700 E (DEG WGS84)</p> <p>Seabed Depth: 6.6 m</p> <p>Biogenic reef elevation: 2.4 m</p> <p>Key words: Rock Sample, Biogenic Reefs, Tegnùe, Adriatic Sea, Venice offshore</p>
Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore: Tegnùa Porto Falconera Area2, Site 2, Rock samples
<p>Rock samples</p> <p>Research Activity: Geology of the Northern Adriatic Biogenic Reefs</p> <p>Project: Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore </p> <p>Scientific coordinators: Sandra Donnici (CNR) and Luigi Tosi (CNR)</p> <p>Scientific Divers: Andrea Bergamasco (CNR), Luigi Tosi (CNR), Marco Sigovini (CNR), Giuseppe Pessa (Greensea, Società Coperativa)</p> <p>Surface coordinator: Alessandro Bergamasco (CNR)</p> <p>Sampling Date: 2018.10.12</p> <p>Sampling Site: Tegnùa Porto Falconera Area2</p> <p>Site Coordinates: 45.58268 N; 12.93580 E (DEG WGS84)</p> <p>Seabed Depth: 12.1 m</p> <p>Biogenic reef elevation: 1.9 m</p> <p>Key words: Rock Sample, Biogenic Reefs, Tegnùe, Adriatic Sea, Venice offshore</p>
Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore: Tengùa Sasso Madonnina, Site A, Rock samples
<p>Rock samples</p> <p>Research Activity: Geology of the Northern Adriatic Biogenic Reefs</p> <p>Project: Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore </p> <p>Scientific coordinators: Sandra Donnici (CNR) and Luigi Tosi (CNR)</p> <p>Scientific Divers: Andrea Bergamasco (CNR), Luigi Tosi (CNR), Marco Sigovini (CNR), Giuseppe Pessa (Greensea, Società Coperativa)</p> <p>Surface coordinator: Alessandro Bergamasco (CNR)</p> <p>Sampling Date: 2019.10.24</p> <p>Sampling Site: Tegnùa Sasso Madonnina</p> <p>Site Coordinates: 45.59052 N; 12.89700 E (DEG WGS84)</p> <p>Seabed Depth: 6.6 m</p> <p>Biogenic reef elevation: 2.4 m</p> <p>Key words: Rock Sample, Biogenic Reefs, Tegnùe, Adriatic Sea, Venice offshore</p>
Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore: Tegnùa TPV_2, Rock samples
<p>Rock samples</p> <p>Research Activity: Geology of the Northern Adriatic Biogenic Reefs</p> <p>Project: Stratigraphy and genesis of the Biogenic Reefs in the Venice offshore </p> <p>Scientific coordinators: Sandra Donnici (CNR) and Luigi Tosi (CNR)</p> <p>Scientific Divers: Andrea Bergamasco (CNR), Luigi Tosi (CNR), Marco Sigovini (CNR)</p> <p>Surface coordinator: Alessandro Bergamasco (CNR)</p> <p>Sampling Date: 2019.10.10</p> <p>Sampling Site: Tegnùa TPV_2</p> <p>Site Coordinates: 45.43889 N; 12.6698E (DEG WGS84)</p> <p>Seabed Depth: 20 m</p> <p>Biogenic reef elevation: 5.6 m</p>
Predicting the presence and titer of rabies virus neutralizing antibodies from low-volume serum samples in low-containment facilities
<p>Python Script. Cell count outputs were converted into a standardized spreadsheet using a Python version 3.7.2 script</p> <p>Codes for binomial and lognormal model</p> <p>code to obtain the images from the model results</p> <p>data to run the models, data result from the models</p>
Displacement accumulation and sampling of paleoearthquakes on active normal faults of Crete in the eastern Mediterranean
<p>The Table S1 (uploaded separately) presents fault data and calculated values of earthquake parameters that underpin the interpretations and conclusions presented in Nicol et al. (G3, submitted June 20, 2020). The Locations of each fault are shown in Figure 2 of the main manuscript.</p> <p>In detail: The Table S1 summarises the attributes on all active faults studied on Crete. Single Event Displacement (SED), Recurrence Interval (RI), Moment Magnitude (M<sub>w</sub>) and number of paeoearthquakes have been estimated for each fault using topographic fault lengths and Quaternary displacement rates in conjunction with the Wesnousky (2008) equations (see table footnote for equations used to calculate SED and Mw). Mw calculated using Wesnously (2008) equations are unconstrained at lengths < 15.5 km. Note that the short-term (e.g. the post-glacial period) displacement rates for the Lentas (ID=43) and South Central Crete (ID=44) faults derive from time periods of c. 50 kyr and 125 kyr, respectively (from Gallen et al., 2014). Nevertheless, the estimated number of events on these two faults correspond to the post-glacial period (16.5 kyr). Table S1 presents uncertainties of +40% and -20% for maximum displacements derived from topography. Here we are conservative and have allowed larger errors for the maximum fault displacements to account for greater errors associated with erosion. The calculated earthquake recurrence interval (RI) in Table S1 derives from SED/Quaternary displacement rate.</p>
A sample image data for ImageJ Bleach Correction Plugin
<p>This sample image data is for testing the ImageJ Bleach Correction plugin. Data was acquired by Boryana Petrova in the Christian H. Haering Lab (EMBL) in 2011 and provided as a sample for development to Kota Miura</p> <p><a href="https://imagej.net/Bleach_Correction">https://imagej.net/Bleach_Correction</a></p> <p>For more details, see "README.md".</p>
Cross-sectional study of Facebook addiction in a sample of Nepalese population
<p><strong>Background</strong>: Facebook addiction is said to occur when an individual spends an excessive amount of time on Facebook, disrupting one's daily activities and social life. The present study aimed to find out the level of Facebook addiction in the Nepalese context and briefly discuss the crimes associated with its unintended use.</p> <p><strong>Methods: </strong>A descriptive cross-sectional study was conducted in the Department of Forensic Medicine of Lumbini Medical College. The study instrument was the Bergen Facebook Addiction Scale typed into a Google Form and sent randomly to Facebook contacts of the authors. The responses were downloaded in a Microsoft Excel spreadsheet and analyzed using Statistical Package for Social Sciences version 16.</p> <p><strong>Results: </strong>The study consisted of 103 Nepalese participants, of which 54 (52.42%) were males and 49 females (47.58%). There were 11 participants (10.68%) who had more than one Facebook account. When different approaches were applied it was observed that 8.73% (n=9) to 39.80% (n=41) were addicted to Facebook.</p> <p><strong>Conclusion: </strong>When used properly Facebook has its own advantages. Excessive use is linked with health hazards including addiction and dependency. Students who engage more on Facebook will have less time studying leading to poor academic performance.People need to be made aware of the issues associated with the misuse of Facebook</p>
Sample Records. Citizen Science and Citizen Energy Communities: A Systematic Review of Potential Alliances for SDGs
<p>Sample Records. Citizen Science and Citizen Energy Communities: A Systematic Review of Potential Alliances for SDGs</p>
CusVarDB: A tool for building customized sample-specific variant protein database from Next-generation sequencing datasets
<p>CusVarDB is a windows based tool for creating a variant protein database from Next-generation sequencing datasets. The program supports variant calling for Genome, RNA-Seq and exome datasets.</p> <p>This repository will provide the resultant variant peptides identified in our study and its corresponding information. The detailed information of the table is given below.</p> <p>Supplementary Table 1. This table contains the resultant variant peptides along with its wild-type peptides from BT474, MDMAB157, MFM223, and HCC38 datasets. Along with mutant peptides, this section also provides additional information such as peptide-spectrum match (PSM), Protein accession, cross-correlation value from the search (Xcorr), and retention time (RT).</p> <p>Supplementary Table 2. This table provides the complete details of the resultant peptides. Here the mutant and corresponding wild-type peptides are mentioned in different sheets. For a given mutant peptide its wild-type peptide and corresponding information can be mapped using the VLOOKUP function in Excel by keeping column A (Sl.No) as lookup parameter.</p> <p>Supplementary Table 3. This table briefs about the variants which are already reported in other cancers.</p>
Predicting reservoir hosts based on early SARS-CoV-2 samples and analyzing later world-wide pandemic
<p><span>The SARS-CoV-2 pandemic has raised the concern for reservoir hosts of the virus since the early-stage outbreak. To address this problem, we proposed a deep learning method, DeepHoF, based on extracting the viral genomic features, to calculate the infection likelihoods and further predict the probable hosts of novel viruses. Overcoming the limitation of sequence similarity-based methods, DeepHoF was applied to the analysis of SARS-CoV-2 in the 2020 pandemic. Using the isolates sequenced in the earliest stage of COVID-19, DeepHoF identified minks, bats, dogs and cats can be highly susceptible to SARS-CoV-2, while minks might be one of the most noteworthy reservoir hosts. Several genes of SARS-CoV-2 demonstrated their significance in determining the infection likelihood on human or the host range. With a large-scale genome analysis based on DeepHoF's computation for the later world-wide pandemic, it should not be slighted for the probably bidirectional transmission of SARS-CoV-2 between humans and minks.</span></p>
The laboratory data of the measurements carried out on an n-decane saturated limestone sample
<p>This supporting information provides the numerical results of the laboratory experiments conducted on an n-decane saturated limestone sample with varying dead fluid volume, which correspond to the data presented in manuscript "The Effect of Boundary Conditions on the Elastic Moduli Measurements at Low Frequencies" submitted to Journal of Geophysical Research: Solid Earth.</p>
Taxonomic similarity does not predict necessary sample size for ex situ conservation: a comparison among five genera
<p>Effectively conserving biodiversity with limited resources requires scientifically informed and efficient strategies. Guidance is particularly needed on how many living plants are necessary to conserve a threshold level of genetic diversity in ex situ collections. We investigated this question for 11 taxa across five genera. In this first study analyzing and optimizing ex situ genetic diversity across multiple genera, we found that the percentage of extant genetic diversity currently conserved varies among taxa, from 40 to 95%. Most taxa are well below genetic conservation targets. Resampling datasets showed that ideal collection sizes vary widely even within a genus: one taxon typically required at least 50% more individuals than another (though Quercus was an exception). Still, across taxa, the minimum collection size to achieve genetic conservation goals is within one order of magnitude. Current collections are also suboptimal: they could remain the same size yet capture twice the genetic diversity with improved sampling design. We term this deficiency the "genetic conservation gap." Lastly, we show that minimum collection sizes are influenced by collection priorities regarding the genetic diversity target. In summary, current collections are insufficient (not reaching targets) and suboptimal (not efficiently designed), and we show how improvements can be made.</p>
Data from: Spatial and temporal patterns of environmental DNA detection to inform sampling protocols in lentic and lotic systems.
<p>The development of efficient sampling protocols for the capture of environmental DNA (eDNA) could greatly help improve accuracy of occupancy monitoring for species that are difficult to detect. However, the process of developing a protocol in situ is complicated for rare species by the fact that animal locations are often unknown. We tested sampling designs in lake and stream systems to determine the most effective eDNA sampling protocols for two rare species: the Sierra Nevada yellow-legged frog (<i>Rana sierrae</i>) and the foothill yellow-legged frog (<i>R. boylii</i>). We varied water volume, spatial sampling, and seasonal timing in lakes and streams; in lakes we also tested multiple filter types. We found that filtering 2 L versus 1 L increased the odds of detection in streams 5.42X (95% CI: 3.2-9.19X) in our protocol, from a probability of 0.51 to 0.85 per technical replicate. Lake sample volumes were limited by filter clogging and we found no effect of volume or filter type. Sampling later in the season increased the odds of detection in streams by 1.96X for every 30 days (95% CI: 1.3 - 2.97X) but there was no effect for lakes. Spatial autocorrelation of the quantity of yellow-legged frog eDNA captured in streams between 100 and 200 m, indicating that sampling at close intervals is important.</p>
VOC analysis data set for polyfilament analysis of antibacterial PE, PA and PLA fibre samples with natural additive rosin and silver
<p>This data is a detail report related to the VOC measurements described and analyzed in the work<br> Weathering and safety of antibacterial polymer-rosin polyfilaments. The detailed description of the<br> method, samples preparations and main outcomes are given in the work. Here, Tables 1-7 indicate the<br> average and (range) concentration of emitted compounds from each polyfilament fibre sample analyzed<br> at different temperatures for their VOC emissions.</p>
Raw nucleotide counts for clinal Misty Lake and stream stickleback samples
<div> <p class="x_MsoNormal"><span>How ecological divergence causes strong reproductive isolation between populations in close geographic contact remains poorly understood at the genomic level. We here study this question in a stickleback fish population pair adapted to contiguous, ecologically different lake and stream habitats. Clinal whole-genome sequence data reveal numerous genome regions (nearly) fixed for alternative alleles over a distance of just a few hundred meters. This strong polygenic adaptive divergence must constitute a genome-wide barrier to gene flow because a steep cline in allele frequencies is observed across the entire genome, and because the cline center co-localizes with the habitat transition. Simulations confirm that such strong divergence can be maintained by polygenic selection despite high dispersal and small per-locus selection coefficients. Finally, comparing samples from near the habitat transition before and after an unusual ecological perturbation demonstrates the fragility of the balance between gene flow and selection. Overall, our study highlights the efficacy of divergent selection in maintaining reproductive isolation without physical isolation, and the analytical power of studying speciation at a fine eco-geographic and genomic scale.</span></p> </div> <p> </p>
Coordinates and description of sample plots described in the manuscript
<p>Coordinates and description of sample plots described in the manuscript "High canopy cover of invasive Acer negundo L. affects ground vegetation diversity" (Veselkin D.V., Dubrovin D.I., Pustovalova L.A.).</p>
VOC chromatogram data set for polyfilament analysis of antibacterial polyfilament fibre samples with natural additive rosin and silver
<p>This data is a detail report related to the VOC measurements described and analyzed in the paper Weathering of antibacterial melt-spun polyfilaments modified by pine rosin. The detailed description of the method, sample codes, samples preparations and main outcomes are given in the manuscript. Figures (1-7) are the direct graphs from the device software as ‘chromatograms’ (TIC, total ion chromatograms) for each polyfilament fibre sample analyzed at different temperatures. The graphs indicate the measured (computed) ion count (abundance, arbitrary units) as a function of time (minutes).</p> <p> </p>
Genome-scale target capture of mitochondrial and nuclear environmental DNA from water samples
<p>Environmental DNA (eDNA) provides a promising supplement to traditional sampling methods for population genetic inferences, but current studies have almost entirely focused on short mitochondrial markers. Here, we develop one mitochondrial and one nuclear set of target capture probes for the whale shark (<i>Rhincodon typus</i>) and test them on seawater samples collected in Qatar to investigate the potential of target capture for eDNA-based population studies. The mitochondrial target capture successfully retrieved ~235x (90x-352x per base position) coverage of the whale shark mitogenome. Using a minor allele frequency of 5%, we find 29 variable sites throughout the mitogenome, indicative of at least five contributing individuals. We also retrieved numerous mitochondrial reads from an abundant non-target species mackerel tuna<i> </i>(<i>Euthynnus affinis</i>), showing a clear relation between sequence similarity to the capture probes and the number of captured reads. The nuclear target capture probes retrieved only few reads and polymorphic variants from the whale shark, but we successfully obtained millions of reads and thousands of polymorphic variants with different allele frequencies from <i>E</i>. <i>affinis</i>. We demonstrate that target capture of complete mitochondrial genomes and thousands of nuclear loci is possible from aquatic eDNA samples. Our results highlight that careful probe design, taking into account the range of divergence between target and non-target sequences as well as presence of non-target species at the sampling site, is crucial to consider. Environmental DNA sampling coupled with target capture approaches provide an efficient means with which to retrieve population genomic data from aggregating and spawning aquatic species.</p>
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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)
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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.