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1,196 results for “Minerals”
Drosophila suzukii population dynamics and control efficiency of mineral dusts with a focus on grape protection
<p>The invasive pest<em> Drosophila suzukii</em> is threatening berry production. It is mainly managed via chemical control, which is associated with consumer and environmental concerns. Here, we tested the efficiency of mineral dusts under field and laboratory conditions. Furthermore, population dynamics were studied in a vineyard and its surroundings. The kaolin products Cutisan and Surround®, as well as the CaCO<sub>3</sub> product Carboliq had neither insecticidal nor repellent effects on <em>Drosophila suzukii</em> adults in laboratory choice tests with grapes at concentrations of up to 2% (w/v). Cutisan and Surround® significantly reduced the number of deposited eggs (-41.9% and -49.3%, respectively) while Carboliq had no effect on the oviposition under laboratory conditions. The Surround® treatment significantly reduced the number of flies trapped on 09/09/2020 at a test vineyard. Depending on the assessment date and treatment, between 59 and 84% of the flies in the bait traps were females. The number of eggs found in fruit treated with Carboliq in the field was higher at each assessment date than in the control but this difference was not statistically significant. Cutisan and Surround® applications in the field showed an equivalent or lower average number of eggs compared to the control but this difference was only significant on 24/09/2020. The highest number of <em>D. suzukii</em> adults was observed around September in the field and a decline of the population occurred in the winter months until July. In epidemic years, temperature - humidity - combinations prior to population peaks were quite stable with low humidity being associated with a high temperature and <em>vice-versa</em>. In non-epidemic years, humidity fluctuated more than in epidemic years and temperatures were lower before population peaks. The effect of global radiation on population maxima seemed to be minor.</p>
Supplement to "Endogenous DHEAS is causally linked with lumbar spine bone mineral density and forearm fractures in women - A mendelian randomization study"
<p>Supplemental tables to "Endogenous DHEAS is causally linked with lumbar spine bone mineral density and forearm fractures in women - A mendelian randomization study" by Johan Quester, Maria Nethander, Anna Eriksson and Claes Ohlsson.</p>
A LCT Pegmatite Spectral Library of the Aldeia spodumene deposit: contributes to mineral exploration
<p>Studies focused on methodologies for locating and prospecting Li-Cs-Ta (LCT) pegmatites are increasingly relevant, given their importance for the energy market in a scenario where new sources need to be identified. Considering the inherent costs of field campaigns to identify targets <em>in situ</em>, this study presents alternatives, focusing on a preliminary evaluation of the spectral signature of targets at a specific site to serve as an added value for future exploration studies. Moreover, such spectral and remote sensing-based approaches help to decrease the impacts of early stages of exploration due to their less invasive nature.</p> <p>Therefore, we present a spectral library built with empirical data available for public use, focusing on Lithium minerals and pegmatites of the Barroso pegmatite field (Portugal), one of the largest hard-rock European Lithium deposits, built within the scope of the INOVMINERAL4.0 project (<a href="https://inovmineral.pt/">https://inovmineral.pt/</a>).</p>
The data sheet of "Phytochemicals, Proximate Composition, Minerals and Volatile Oil Analysis of Zanthoxylum acanthopodium DC. Fruits"
<p>The dataset of ‘Phytochemicals, Proximate Composition, Minerals and Volatile Oil Analysis of <em>Zanthoxylum acanthopodium</em> DC. Fruits’</p>
The role of mineral dust aerosol particles in aviation soot-cirrus interactions
<p>The files contain the datasets shown in the publication "The role of mineral dust aerosol particles in aviation soot-cirrus interactions" to appear in J. Geophys. Res. Atmos. (revised manuscript submitted) The files are xmgrace plot files containing the research data (ASCII) shown in all figures that appear in the main text (4) and appendix (2).</p> <p> </p>
Carbon and mineral data of organic matter fractions in Siberian Yedoma permafrost
<p>This file contains carbon and mineral data of organic matter fractions obtained from two permafrost drill cores L14-02 (73.33616° N; 141.32776° E) and L14-05 (73.34994° N; 141.24156° E) from Bol’shoy Lyakhovsky Island in NE Siberia in 2014. The datasets contain mass fractions of different size and density fractions, OC concentrations, OC/N ratios, data on organic matter composition based on <sup>13</sup>C-NMR, radiocarbon (<sup>14</sup>C) data, as well as data on iron (Fe) mineral phases and CO<sub>2</sub> production rates of mineral-associated organic matter. Further, carbon and organic biomarker data (<em>n</em>-alkanes) of the bulk sediment are included. The data were created to study mass partitioning of Pleistocene permafrost OC among different organic matter fractions to assess the bioavailability and stability of the organic matter. Please refer to the publication listed below for more information.</p>
Atomic-scale environment of niobium in minerals as revealed by X-ray absorption spectroscopy at the Nb K-edge
<p>This data set provides the raw EXAFS and XRD data of the manuscript '<strong>Atomic-scale </strong><strong>environment of niobium in minerals as revealed b</strong><strong>y </strong><strong>X-ray absorption spectroscop</strong><strong>y at the Nb </strong><strong>K</strong><strong>-edge'</strong> submitted to European Journal of Mineralogy.</p> <p>- EXAFS data files were converted into .txt for more accessibility. <em>Pcl</em> is the abbreviation for <em>pyrochlore. </em>The files are accoridngly labelled.</p> <p>- XRD data files for synthetic Nb-doped compounds start with 'XRD_...'.</p> <p>- The refined crystal structure of hydropyrochlore is 'hydropcl_01.cif' file.</p> <p> </p> <p> </p>
Punta Telcio Zermatt-Saas Eclogite Mineral Data - Chemistry and Crystallography
<p>This dataset comprises location information, chemical data, and crystallographic data for a set of samples of deformed eclogites from the Punta Telcio region in the Northern Italian Alps. Data is focused on the chemistry and crystallography of the deformed omphacite in these eclogites. Crystallographic data consists of EBSD spaced point scans of eclogite thin sections, as well as EBSD grain maps of sections of some of these eclogite samples. Quantitative chemical data is provided for a series of omphacite grains on two eclogite samples, as well as for the amphibole and garnet phases in these samples. </p>
Authigenic mineral phases as a driver of the upper ocean iron cycle
<p>Output associated with Tagliabue et al. Authigenic mineral phases as a driver of the upper ocean iron cycle</p>
Data example and code used in the publication "Is transport of microplastics different from that of mineral dust? Results from idealized wind tunnel studies"
<p>Background</p> <p>The code labels microspheres and counts them. Further, the code determines which microspheres are independent of microsphere-microsphere collisions by their relative position to the other microspheres in an image. Images were taken with a full-frame visual camera (Sony Alpha 7RII) with a long-distance-microscopy lens (K2 DistaMax).</p> <p>Description of the dataset</p> <ul> <li>image_data_all.zip contains 228 tif-format images taken in a single experiment <ul> <li>the images show borosilicate microspheres with diameters from 63 to 75 µm</li> <li>during the experiment, the microspheres are detached from the substrate and are transported out of the image</li> </ul> </li> <li>functions_particle_labeling.jl contains all necessary functions for particle labeling</li> <li>analysis_protocol.jl is an example, that first determines a color threshold, and then labels all microspheres in all images stored in "image_data_all/substrate_a/image_data_single_experiment"</li> <li>post_processing_visualisation.R is an r-script, that reads the output of analysis_protocol.jl and demonstrates how logistic functions were fitted to the data</li> </ul> <p> </p> <p>We used julia 1.8.5 and R 4.3.0.</p> <p> </p>
Figure 6 in How many metazoan species live in the world's largest mineral exploration region?
Figure 6. UpSet plot of all CCZ species (named and unnamed species combined) at regional scales (A and B) Top bars show total species shared or independent, intersecting with region in the lower panel (species independent per region correlate to a ''dot'' or shared between region to a ''dash'' connecting the regions). Side bars show total species per region. (A): all species by region, (B), all species in contract areas and reserved areas pooled versus those in APEIs pooled. See also Data S3 and S4.
Figure 5 in How many metazoan species live in the world's largest mineral exploration region?
Figure 5. Species and family diversity in the Clarion-Clipperton (A–D) Diversity estimators (solid line, rarefaction; dashed line, extrapolation): (A) Chao1 species diversity 6,233 (+/¯82 SE); N = 112,428 ind., S(obs) = 4,716; extrapolation maximum sample size: 224,858 ind; (B) Chao2 species diversity 7,620 (+/¯132 SE); N = 1,668 samples; S(obs) = 4,779, extrapolation maximum sample size, 3,336 samples. Family diversity estimators: (C) Chao1 family diversity 469 (+/¯18 SE); N = 70,597 ind., F(obs) = 406; extrapolation maximum. N: 141,194 ind.; (D) Chao2 family diversity 544 (+/¯24 SE); N = 2,179 samples; F(obs) = 423; extrapolation maximum N: 4,358 samples. See also Table 1, Figures S1–S3, and Data S3 and S4.
Figure 3 in How many metazoan species live in the world's largest mineral exploration region?
Figure 3. Fauna from the CCZ (A–J) All fauna are species described from the region and illustrating a range of phyla and size classes, (A) the sea cucumber, Psychropotes dyscrita (Clark, 1920),32 commonly known as the ''gummy squirrel'' (scale bar: 5 cm); (B) the primnoid coral Abyssoprimnoa gemina Cairns, 201539 (scale bar: 5 mm, note the rights to this image are owned by Springer Nature who have granted permission for reuse); (C) the antipatharian coral, Abyssopathes anomala Molodtsova & Opresko, 201731 (scale bar: 2 cm); and (D) the hexactinellid sponge, Sympagella clippertonae Herzog, Amon, Smith & Janussen, 2018.40 (scale bar: 1 cm). Row 2, (E) the cyclostomatid bryozoan, Pandanipora helix Grischenko, Gordon & Melnik, 201830 (scale bar: 500 Mm); (F) the isopod, Macrostylis metallicola Riehl & De Smet, 20207 (scale bar: 0.2 mm); (G) the polychaete, Neanthes goodayi Drennan, Wiklund, Rabone,Georgieva,Dahlgren & Glover, 202127; and (H) the mollusc, Ledella knudseni J. D. Taylor & Wiklund, 201735 (scale bar: 0.5 mm). Row 3, (I) the nematode, Odetenema gesarae Bezerra, Pape, Hauquier & Vanreusel, 202136 (scale bar: 100 Mm); (J) the kinorhynch, Meristoderes taro Sánchez, Pardos & Martínez Arbizu, 201933 (scale bar: 10 Mm); the loriciferan, Fafnirloricus polymetallicus Fujimoto, 202034 (scale bar: 100 Mm), and the copepod, Siphonis aurreus Mercado-Salas, Khodami & Martínez Arbizu, 201928 (scale bar: 100 Mm). All authors provided permission for reuse of plates (please see Acknowledgments).
Figure 2 in How many metazoan species live in the world's largest mineral exploration region?
Figure 2. Rates of species descriptions in the CCZ; proportion of species diversity in the CCZ that is undescribed (A) Rates of new descriptions and publications in the CCZ. Cumulative totals of new taxa (families, genera, and species combined) and new species described from the CCZ and taxonomic publications per year, over the period 1980–2022. Yearly totals of new descriptions also shown. (B) Proportion of recorded benthic metazoan diversity from the CCZ that is undescribed: named species recorded in red (both those described from the CCZ and elsewhere), unnamed species shown in blue (''unassigned'' are records not identified to phyla). Depictions of some of the new CCZ species by phyla: Annelida, Neanthes goodayi Drennan, Wiklund, Rabone, Georgieva, Dahlgren & Glover, 202127; Arthropoda, Siphonis aurreus Mercado-Salas, Khodami & Martínez Arbizu, 201928; Brachiopoda, Oceanithyris juveniformis Bitner & Zezina, 201329; Bryozoa, Pandanipora helix Grischenko, Gordon & Melnik, 201830; Cnidaria, Abyssopathes anomala Molodtsova & Opresko, 201731; Echinodermata, Psychropotes dyscrita (Clark, 1920)32; Kinorhyncha, Meristoderes taro Sánchez, Pardos & Martínez Arbizu, 201933; Loricifera, Fafnirloricus polymetallicus Fujimoto, 202034; Mollusca, Ledella knudseni J. D. Taylor & Wiklund, 201735; Nematoda, Odetenema gesarae Bezerra, Pape, Hauquier & Vanreusel, 202136; Porifera, Chaunoplectella megapora Wang, Zhang, Lu & Wang, 201837; and Tardigrada, Moebjergarctus clarionclippertonensis Bai, Wang, Zhou, Lin, Meng & Fontoura, 2020.38 See also Data S1 and S2 and Table S1.
Figure 1 in How many metazoan species live in the world's largest mineral exploration region?
Figure 1. All geolocated published records of benthic metazoa from the literature and databases Areas of Particular Environmental Interest (APEIs) and exploration mining contract areas, both active and reserved, are shown in outline. The type localities of all species described from the CCZ to date are also shown (185 in total). Background layer: the GEBCO Grid, 2022. See also Figures S4–S6, the key resources table, and supplemental information.
Figure 4 in How many metazoan species live in the world's largest mineral exploration region?
Figure 4. Phylum-level composition of CCZ and global benthic metazoan checklists Relative abundance of phyla in the CCZ Checklist— named/known species (Data S1); the CCZ unnamed species list (Data S2); and all global deep-sea metazoan species recorded in WoRDSS (World Register of Deep-Sea Species)44 on 1st January, 2023.
Data of soil mineralization rates, carbon and nitrogen pools in a rainfed almond crop and an irrigated mandarin crop derived from Diverfarming project
Data of soil carbon and nitrogen dynamics, auxiliary data and methods metadata from a rainfed almond crop and an irrigated mandarin crop studied in Diverfarming project
Climate-driven thermal opportunities and risks for leaf miners in aspen canopies
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Plant nitrogen demand decouples net mineralization and nitrification in disturbed forests
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Data from: Brine driven destruction of clay minerals in Gale crater, Mars
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.