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8,038 results for “validation.”
FIGURE 1 in Response to Britz (2022) regarding the validity of the giant sunfish Mola alexandrini (Ranzani, 1834) (Teleostei: Molidae)
FIGURE 1. Specimens of the genus Mola preserved in the Museo di Zoologia dell' Università di Bologna, Italy (MZUB). (A) extant putative holotype of Mola alexandrini (PHMA); (B) holotype of Orthragoriscus alexandrini illustrated by Ranzani (1939); (C) extant holotype of Ozodura orsini [designated by Sawai et al. (2018) as neotype of Mola mola]; (D) holotype of Oz. orsini illustrated by Ranzani (1939). Arrows indicate the open part of the gill slit (white crescent; see text).
FIGURE 3 in Response to Britz (2022) regarding the validity of the giant sunfish Mola alexandrini (Ranzani, 1834) (Teleostei: Molidae)
FIGURE 3. Illustration of the specimens of the genus Mola from (A) Swainson (1839), and (B) Storer (1839).
Predicting the Habitat Suitability of Ilex verticillata in China with Field-Test Validations
<p><span>The cut branches of </span><em><span>Ilex verticillata</span></em> <span>are highly ornamental and have high economic value. Since its introduction to China, it has received widespread attention. In the context of climate change today, ensuring its promotion and sustainable production in China is of great significance. In this study, the MaxEnt</span> <span>(</span>maximum entropy<span>)</span> <span>model was used, combined with climate and soil variables, to assess the impact of climate change on its potential suitable habitat. We used 5430 </span><em><span>I</span></em><em><span>.</span></em><em> <span>verticillata</span></em> <span>occurrence data and validated the model prediction using extensive field testing (12 test sites located in areas from 23.19</span><span>°</span> <span>N to 42.91</span><span>°</span> <span>N and 76.17</span><span>°</span> <span>E to 125.14</span><span>°</span> <span>E). The habitat suitability model (AUC = 0.854) performed excellently. Among them, three precipitation variables and one temperature variable were the main factors determining the distribution of </span><em><span>I</span></em><em><span>.</span></em><em> <span>verticillata</span></em> <span>in China. Field trial tests and model predictions of the suitability of </span><em><span>I</span></em><em><span>.</span></em><em> <span>verticillata</span></em> <span>were consistent, indicating that our model predictions are biologically meaningful and economically valuable. Under the representative concentration pathway </span>shared socioeconomic pathways <span>(</span><span>SSP</span>) <span>climate change scenarios, the high and medium suitable habitats for this species will be reduced in the future climate. This study helps to better understand the impact of climate change on </span><em><span>I</span></em><em><span>.</span></em><em> <span>verticillata</span></em> <span>and provides suggestions for the introduction and cultivation areas and protection of this species in China.</span></p>
FIGURE 6. Photis geniculata a in A benefit to biodiversity assessment: An Indian survey demonstrates that Cheiriphotis geniculata is a misidentification of the valid species Photis geniculata Barnard, 1935 (Crustacea: Amphipoda)
FIGURE 6. Photis geniculata a) male habitus; b) head with extended cepalic lobe, dorsal view; c) antenna 1 without accessory flagellum.
FIGURE 3 in A benefit to biodiversity assessment: An Indian survey demonstrates that Cheiriphotis geniculata is a misidentification of the valid species Photis geniculata Barnard, 1935 (Crustacea: Amphipoda)
FIGURE 3. Photis geniculata. Male habitus (3.3 mm length). Scale bar 0.3 mm for Hd; 0.1 mm for A1, A2; 0.05 mm for Lbr, Lb, Mx1, Mx2, Mxp.
FIGURE 5 in A benefit to biodiversity assessment: An Indian survey demonstrates that Cheiriphotis geniculata is a misidentification of the valid species Photis geniculata Barnard, 1935 (Crustacea: Amphipoda)
FIGURE 5. Photis geniculata. Male habitus (3.3 mm length). Scale bar 0.2 mm for P6, P7; 0.08 mm for U1, U2, U3, T.
FIGURE 4 in A benefit to biodiversity assessment: An Indian survey demonstrates that Cheiriphotis geniculata is a misidentification of the valid species Photis geniculata Barnard, 1935 (Crustacea: Amphipoda)
FIGURE 4. Photis geniculata. Male habitus (3.3 mm length). Scale bar 0.05 mm for Md; scale bar 0.2 mm for Gn 1, Gn 2 (♂), Gn 2 (♀), P3, P4, P5; scale 0.3 mm for Ep1,2,3.
FIGURE 8. Photis geniculata a in A benefit to biodiversity assessment: An Indian survey demonstrates that Cheiriphotis geniculata is a misidentification of the valid species Photis geniculata Barnard, 1935 (Crustacea: Amphipoda)
FIGURE 8. Photis geniculata a) uropod 1; b) pereopod 7 with geniculate dactylus; c) uropod 2; d) uropod 3.
A field-validated ensemble species distribution model of Eriogonum pelinophilum, an endangered subshrub in Colorado, USA
<p>Understanding the suitable habitat of endangered species is crucial for agencies such as the Bureau of Land Management to plan management and conservation. However, few species distribution models are directly validated, potentially limiting their application. In preparation for a Species Status Assessment of clay‐loving wild buckwheat (<em>Eriogonum pelinophilum</em>), an endangered subshrub found in southwest Colorado, we ran a series of species distribution models to estimate the species' potential occupied habitat and validated these models in the field. A 1‐meter resolution digital elevation model derived from LiDAR and a high‐resolution geology mapping helped identify biologically relevant characteristics of the species' habitat. We employed a weighted ensemble model based on two Random Forest and one Boosted Regression Tree model, and the discrimination performance of the ensemble model was high (AUC-PR = 0.793). We then conducted a systematic field survey of model habitat suitability predictions, during which we discovered 55 new subpopulations of the species and demonstrated that new species observations were strongly associated with model predictions (p < .0001, Cliff's delta = 0.575). We then further refined our original models by incorporating the additional species occurrences collected in the field survey, a new explanatory variable, and a more diverse set of models. These iterative changes to the model marginally improved performance (AUC‐PR = 0.825). Direct validation of species distribution models is extremely rare, and our field survey provides strong validation of our model results. This helps increase confidence in utilizing predictions in planning. The final model predictions greatly improve the Bureau of Land Management's understanding of the species' habitat and increase our ability to consider potential habitat in planning land use activities such as road development and travel management.</p>
A High-Density Land cover Validation dataset in Xinjiang—HDLV-XJ
<p>A 2020 High-Density Land cover Validation dataset in Xinjiang. To ensure a sufficient number of samples in complex areas and to position appropriate sampling points in homogeneous and heterogeneous areas, the equal-area stratified random sampling method based on multiple indicators was utilized. </p><p>The HDLV_XJ includes 20,932 validation samples. It considerably higher sample numbers for each land cover type compared to the other datasets.The HDLV-XJ provides representative validation data with sufficient samples for rare categories, enabling a more accurate assessment of the accuracy of land cover products in the Xinjiang. We provide an xls file of this validation dataset and the code used in constructing the dataset.</p><p> </p>
Supplementary data for "Validation of a quantitative PCR assay for detection of sugar kelp (Saccharina latissima) in coastal marine sediments"
<p>Raw data for a paper in preparation: "Validation of a quantitative PCR assay for detection of sugar kelp (Saccharina latissima) in coastal marine sediments".</p><p>Contains:</p><ol><li>Spreadsheet of curated raw data used to calculated <i>S. latissima</i> COI gene copy number per gram of dry sediment for a biomass spiking experiment to determine how gene copy number correlates with known amounts of added kelp biomass.</li><li>Spreadsheet of curated raw data from a field study looking at <i>S. latissima</i> gene copy numbers in field samples from the Damariscotta River estuary in Maine, from three sites, one under a small kelp farm, one under a site with a single kelp line, and another in a control site with no known influence of kelp farming activity.</li></ol>
Supplementary material 2 from: Parasram N, Santana W, Vallès Y, Windsor AМ, Vallès H (2024) Morphological and molecular support for Amphithrax verrucosus (H. Milne Edwards, 1832) and Amphithrax aculeatus (Herbst, 1790) (Crustacea, Decapoda, Brachyura) as valid species. Zoosystematics and Evolution 100(1): 15-30. https://doi.org/10.3897/zse.100.109192
Specimens used in the molecular analysis of Windsor and Felder (2014), which were erroneously identified as Amphithrax aculeatus (Herbst, 1790)
Validating a molecular clock for nudibranchs: No fossils to the rescue
<p>Time-calibrated phylogenies are typically reconstructed with fossil information but for soft-bodied marine invertebrates that lack hard parts, a fossil record is lacking. In these cases, biogeographic calibrations or rates of divergence for related taxa are often used. Although nudibranch phylogenies have advanced with the input of molecular data, no study has derived a divergence rate for this diverse group of invertebrates. Here, we use an updated closure date for the Isthmus of Panama (2.8 ma) to derive the first divergence rates for chromodorid nudibranchs using multi-gene data from a geminate pair with broad phylogeographic sampling. Examining the species <em>Chromolaichma sedna </em>(Marcus & Marcus, 1967), we uncover deep divergences among eastern Pacific and western Atlantic clades and we erect a new species designation for the latter (<em>Chromolaichma hemera</em> sp. nov.). Next, we discover extensive phylogeographic structure within <em>C. hemera</em> sp. nov. <em>sensu lato</em>, thereby refuting the hypothesis of a recent introduction. Lastly, we derive divergence rates for mitochondrial and nuclear loci that exceed known rates for other gastropods and we highlight significant rate heterogeneity both among markers and taxa. Together, these findings improve understanding of nudibranch systematics and provide rates useful to apply to divergence scenarios in this diverse group.</p>
Model Output and Validation Data for Online Determination of GNSS Differential Code Biases using Rao-Blackwellized Particle Filtering
<p>This dataset contains the outputs of 10 test runs of the A-CHAIM data assimilation model used to evaluate the performance of the bias estimation procedure used by the model. The 5-minute output files for each test run are included in a separate folder.</p> <p>The IGS DCBs in SINEX format and the various global ionospheric maps used in the study are included.</p> <p>This dataset also includes all of the processed GNSS data used in the study, which were used to generate the DCBs used in each test run.<br> <br> The in-situ electron density measurements from DMSP as well as the ionosonde data from GIRO which were used to measure the performance are also included.</p>
Model Development for State-of-Power Estimation of Large-Capacity Nickel-Manganese-Cobalt Oxide-Based Lithium-Ion Cell Validated Using a Real-Life Profile
Open the record for dataset details and reuse information.
Validation of de novo designed water-soluble and transmembrane proteins by in silico folding and melting
<p>Here are all of the datasets generated and analysed during this study. </p> <p>Here is a breakdown of their content:</p> <ul> <li><strong>8_stranded_transmembrane_barrels.zip</strong> - raw data from Alphafold (3 and 48 recycles), ESMFold and raptor predictions of the 8 stranded TMBs. A file with all the sequences is also given</li> <li><strong>12_stranded_transmembrane_barrels.zip - </strong>raw data from the Alphafold and ESMfold predictions of the 12 stranded TMBs. A file with all the sequences is also given</li> <li><strong>water_soluble_barrels.zip</strong> - raw data from the Alphafold and ESMfold predictions of the water soluble beta barrels (designable and non-designable). A file with all the sequences is also given</li> <li><strong>all design models.zip</strong> - original design models for water-soluble (designable and non-designable), 8-stranded and 12-stranded TMBs</li> </ul> <p> </p> <ul> <li><strong>ESMfold_masking_exp.tar - </strong>this tar file contains all the ESMfold masking experiments performed to the water-soluble, 8 and 12-stranded transmembrane barrels. Inside there are zipped datasets for each masking experiment<br> </li> <li> <p><strong>ziped_raw_csv_files.zip - </strong>raw csv files with all the data necessary to analyse the figures </p> </li> <li> <p><strong>analysis_notebooks.zip </strong>- Jupyter notebooks used to analyse the output prediction data for all figures</p> </li> </ul> <p> </p> <p> </p>
Concurrent Operant Analysis Validation: A Brief Report
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Manually validated PageXML files for images in book "Lettres du sieur de Balzac"
<p>Transcription of 57 pages of the 637-page printed book "Lettres du sieur de Balzac" by Jean-Louis de Balzac (1597-1654), publication date 1624. Transcription contains pages in PageXML format, useful for training an optical character recognition (OCR) model. The PageXML files were created by applying a public multilingual Transkribus model ("Transkribus print M1") on the images at https://github.com/Heresta/OCR17plus/blob/main/Data/Balzac1624_Lettres_btv1b86262420_corrected and by manually validating the result. During manual validation, the transcription was normalized (spelling adapted to modern French).</p>
Original Data Files For LYMPROM Validation
<h1>A new validated Lymphoedema-specific Patient Reported Outcome Measure (LYMPROM<sup>©</sup>) for adults with Lymphoedema</h1> <p><span>Melanie Thomas<sup>1¶</sup>; Marie Gabe-Walters<sup>1¶</sup>; Ioan Humphreys<sup>2¶*</sup>; Alan Watkins<sup>2¶</sup></span></p> <p><span>1 Lymphoedema Wales Clinical Network,</span> <span>Swansea Bay University Health Board, Wales, United Kingdom</span></p> <p><span>2 Faculty of Medicine, Health and Life Sciences, Swansea University, Wales, United Kingdom</span></p> <p> </p> <p><span>A new lymphoedema-specific Patient Reported Outcome Measure (LYMPROM<sup>©</sup>) was developed to help patients easily report the impact of their lymphoedema and enable lymphoedema therapists to understand what matters most to patients.</span></p>
PathoFact 2.0 validation test datasets
<p>Test datasets used to validate PathoFact 2.0 performance</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.