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12,309 results for “America”
Fig. 8 in New Genera and Species of Oak-Associated Phylini (Heteroptera: Miridae: Phylinae) from Western North America
Fig. 8. Detail of setae comprising hemelytral vestiture, scale bar: 50 Mm. A. Crassomiris fatisco. B. Phallospinophylus setosus. C. Pygovepres vaccinicola. D. Quercophylus gonoporospinus. E. Rubellomiris bispinosus. F. Rubeospineus truncatus. Slender and stout setae are indicated by a white or black asterisk, respectively.
Fig. 7 in New Genera and Species of Oak-Associated Phylini (Heteroptera: Miridae: Phylinae) from Western North America
Fig. 7. Pretarsus, scale bar: 50 Mm. A. Crassomiris fatisco. B. Phallospinophylus setosus. C. Pygovepres vaccinicola. D. Quercophylus gonoporospinus. E. Rubellomiris bispinosus. F. Rubeospineus truncatus.
Fig. 1 in New Genera and Species of Oak-Associated Phylini (Heteroptera: Miridae: Phylinae) from Western North America
Fig. 1. Habitus photographs of Crassomiris spp., Phallospinophylus setosus, Pygovepres vaccinicola, and Quercophylus gonoporospinus.
Fig. 6 in New Genera and Species of Oak-Associated Phylini (Heteroptera: Miridae: Phylinae) from Western North America
Fig. 6. Mesothoracic spiracle and metathoracic scent gland evaporatory area, scale bar: 200 Mm. A. Crassomiris fatisco. B. Phallospinophylus setosus. C. Pygovepres vaccinicola. D. Quercophylus gonoporospinus. E. Rubellomiris bispinosus. F. Rubeospineus truncatus.
Fig. 4 in New Genera and Species of Oak-Associated Phylini (Heteroptera: Miridae: Phylinae) from Western North America
Fig. 4. Head and male genitalic structures of Pygovepres vaccinicola and Quercophylus gonoporospinus.
Transformation of social relationships in COVID-19 America: Remote communication may amplify political echo chambers
<p>The COVID-19 pandemic, with millions of Americans compelled to stay home and work remotely, presented an opportunity to explore the dynamics of social relationships in a predominantly remote world. Using the 1972-2022 General Social Surveys, we found that the pandemic significantly disrupted the patterns of social gatherings with family, friends, and neighbors, but only momentarily. Drawing from the nationwide ego-network surveys of 41,033 Americans from 2020 to 2022, we found that the size and composition of core networks remained stable, though political homophily increased among non-kin relationships compared to previous surveys between 1985 and 2016. Critically, heightened remote communication during the initial phase of the pandemic was associated with increased interaction with the same partisans, though political homophily decreased during the later phase of the pandemic when in-person contacts increased. These results underscore the crucial role of social institutions and social gatherings in promoting spontaneous encounters with diverse political backgrounds.</p>
Empirical data on growth and residency of juvenile Pacific salmon in North America estuaries
<p>Dataset compiling empirical data on estuarine growth and residency of Pacific salmon in North America. We conducted a systematic literature review to create this database, starting with a literature search in <i>Web of Science Core Collection</i> through Simon Fraser University's library proxy on April 24th, 2018, using the search parameters (salmon, Oncorhynchus) AND (estuary*) AND (residen* OR growth OR survival OR mortality), which returned 681 results (these results were presented in Arbeider 2018). We updated the search on March 29th, 2020, which produced 24 additional papers published after April 2018, and again on July 7th, 2022 which yielded another 31 papers published since March 2020. From these results, we extracted papers that research Pacific salmonids and whose study estuary was in North America. From this reduced list of papers, we extracted growth and residency parameters, as well as other relevant data. For complete methods please refer to:</p><p>Arbeider, M. et al. (In press). The estuarine growth and residency of juvenile Pacific salmon in North America: a compilation of empirical data. <i>Canadian Journal of Fisheries and Aquatic Sciences.</i></p>
Magnetic properties and chemical analysis of remagnetised carbonates of South America
<p>We investigate the magnetic properties and chemical composition of remagnetised carbonate rocks in South America. These rocks play a crucial role in understanding past climates and the behaviour of Earth's magnetic field. Unfortunately, the primary remanence of these rocks is often altered by secondary components in a process known as remagnetisation. In South America, we observe evidence of a continent-wide remagnetisation event in Neoproterozoic carbonates from sedimentary basins separated by significant distances. To shed further light on this phenomenon, we employ both traditional macroscopic rock magnetic analysis and advanced synchrotron-based nano/micro imaging and chemical analysis techniques.</p>
Transport Starter Data Kit: Historical socio-transport data for selected countries in Africa, Asia, and South America
<p>This Transport Starter Data Kit contains historical annual data (1990–2021) on passenger activity, freight activity, vehicle stock, energy intensity, and load factor segregated by mode and fuel, where available. Additionally, historical data on population (total, urban, rural, growth) and GDP (total, agriculture, construction, mining, manufacturing, service, energy, growth) are included in the kit, within the 'Data' tab. The historical data can be used as a foundation for transport-energy modelling and/or to identify areas of improvement. This data was verified through consultation with relevant stakeholders before publishing. The definition used for each vehicle mode is found in the 'Definitions' tab, and the description of each data observation status is found in the 'Notes' tab. All data sources are linked where possible.</p><p>Countries included: Angola, Burundi, Benin, Burkina Faso, Brazil, Botswana, Central African Republic, Côte d'Ivoire, Cameroon, Democratic Republic of the Congo, Congo, Colombia, Djibouti, Algeria, Egypt, Eritrea, Ethiopia, Gabon, Ghana, Guinea, Gambia, Guinea-Bissau, Equatorial Guinea, Indonesia, Kenya, Cambodia, Republic of Korea, Lao People's Democratic Republic, Liberia, Libya, Lesotho, Morocco, Mali, Myanmar, Mozambique, Mauritania, Malawi, Malaysia, Namibia, Niger, Nigeria, Philippines, Rwanda, Sudan, Senegal, Sierra Leone, Somalia, South Sudan, Eswatini, Chad, Togo, Thailand, Tunisia, Taiwan Province of China, United Republic of Tanzania, Uganda, Viet Nam, South Africa, Zambia, Zimbabwe.</p>
Figure 2 in Characterization of Eugenia uniflora accessions: a native species with great commercial potential in America
Figure 2. Collection sites of the 40 Surinam Cherry accessions in the state of Rio Grande do Sul with the cluster according to genetic similarity obtained with RAPD markers. Group I =; Group II =; Group III =).
Figure 1 in Characterization of Eugenia uniflora accessions: a native species with great commercial potential in America
Figure 1. Dendrogram of genetic similarity between the 40 Surinam Cherry, obtained from RAPD markers. The line indicates the 84% cut-off point based on the average similarity between populations.
Data and code associated with "Evaluating the definition and distribution of spring ephemeral wildflowers in eastern North America"
<p>Data and code associated with a paper by Yancy et al titled "Evaluating the definition and distribution of spring ephemeral wildflowers in eastern North America". Metadata is included in files when possible.</p>
Solar PV and wind power Model Supply Region (MSR) dataset as energy model input for countries in Central and South America
<p>This dataset provides model-ready data to include geospatial differentiation in solar and wind power investment options in energy models (primarily capacity expansion models and dispatch models) at the level of every Central and South American country. </p> <p>The methodology used to create the dataset takes into account resource quality, land use restrictions, distance from infrastructure, and other factors. It was previously applied to create an all-Africa dataset explained in Sterl et al. (2022) and published by Sterl, Hussain & Elabbas (2023). </p> <p>Folder (1) provides shapefiles of each country's overall feasible area for developing solar and wind power projects, under the restrictions/criteria mentioned above and described in Sterl et al. (2022).</p> <p>Folder (2) provides the best 5% ("best" measured by expected LCOE, from lowest to highest, including grid and road extension costs; 5% measured in terms of coverage of a country's area) of each country's solar and wind development potential, including hourly time series for model input.</p> <p>Folder (3) provides the corresponding shapefiles.</p> <p>Folder (4) provides simplified/aggregated results in terms of MSR clusters (see Sterl et al. 2022 for details), alongside hourly time series based on the meteorological year 2018. The amount of clusters was chosen to be 3, 5 or 10 depending on country size.</p> <p>Folder (5) provides PDF-file maps at the country level, showing resource strength and clustering outcomes by MSR (post-screening).</p> <p>Explanations of the headers in any spreadsheet files are provided in the Supplementary Information of Sterl et al. (2022).</p> <p>Countries/territories included in the dataset: </p> <p>Argentina<br>Belize<br>Bolivia<br>Brazil<br>Chile<br>Colombia<br>Costa Rica<br>Cuba<br>Dominican Republic<br>Ecuador<br>El Salvador<br>French Guiana<br>Guatemala<br>Guyana<br>Haiti<br>Honduras<br>Jamaica<br>Nicaragua<br>Panama<br>Paraguay<br>Peru<br>Suriname<br>Uruguay<br>Venezuela</p> <p> </p> <p><strong>References</strong></p> <p>Sterl, S., Hussain, B., Miketa, A. <em>et al.</em> An all-Africa dataset of energy model “supply regions” for solar photovoltaic and wind power. <em>Sci Data</em> <strong>9</strong>, 664 (2022). <a href="https://doi.org/10.1038/s41597-022-01786-5">https://doi.org/10.1038/s41597-022-01786-5</a></p> <p>Sterl, S., Hussain, B., & Elabbas, M. (2023). Data for the paper « An all-Africa dataset of energy model "supply regions" for solar PV and wind power » (1.2.0) [Data set]. Zenodo. <a href="https://doi.org/10.5281/zenodo.14870967">https://doi.org/10.5281/zenodo.14870967</a></p>
Figure 4 in Cyphoedma n. gen. now described after a century of use, with the addition of a new species from Central America (Geometridae, Ennominae)
Figure 4 Cyphoedma female genitalia. (a) C. ashleyorum n. sp., TAM-2023-291 (USNM 154253), USNMENT01771290, paratype; (b) C. mirafloresa (Dognin), TAM-2023-290 (USNM 154252), USNMENT01771322; (c) C. transvolutata (Walker), TAM-2023-278 (USNM 154249), USNMENT01771320. Scale bar = 2 mm.
Figure 3 in Cyphoedma n. gen. now described after a century of use, with the addition of a new species from Central America (Geometridae, Ennominae)
Figure 3 Cyphoedma male genitalia.(a)C.ashleyorum n. sp., TAM-2023-288 (USNM 154251), USNMENT01771290, paratype,USNM,genital capsule;(b) same, phallus; (c) C.mirafloresa (Dognin), TAM-2023-279 (USNM 154250),USNMENT01771323,genital capsule; (d) same,phallus; (e) C.transvolutata (Walker),TAM-2023-277 (USNM 154248), USNMENT01771293, genital capsule; (f) same, phallus. Scale bar = 2 mm.
Figure 5 in Three new genera of Protandrenini bees from South America (Hymenoptera, Apidae, Andreninae)
Figure 5 Cisanthrena perforata Ramos & Melo new species, male paratype. A, apex of metasoma, showing the T7, in postero-dorsal view. B, S6 in ventral view. C, S7 in ventral view. D, S8 in ventral view. E, genitalia in lateral view. F, genitalia in ventral view. Scale bar 0.2 mm.
Figure 4 Cisanthrena perforata Ramos & Melo new species. A in Three new genera of Protandrenini bees from South America (Hymenoptera, Apidae, Andreninae)
Figure 4 Cisanthrena perforata Ramos & Melo new species. A, head of female (holotype) in frontal view. B, female (holotype) in lateral view. C, head of male (paratype) in frontal view. D, male (paratype) in dorsal view. Scale bar: 1.0 mm.
Figure 1 in Three new genera of Protandrenini bees from South America (Hymenoptera, Apidae, Andreninae)
Figure 1 Austellurgus avulsus (Ramos & Melo, 2006), paratypes. A, head of female in frontal view. B, female in lateral view. C, labrum and mandible of female in frontal view. D, head of male in frontal view. E, male in lateral view. F, labrum and mandible of male in frontal view. G, mesosoma of male in dorsal view. H, metasoma of female in dorsal view. I, apex of female metasoma, showing the pygidial plate. Scale bar: 0.5 mm.
Figure 2 in Three new genera of Protandrenini bees from South America (Hymenoptera, Apidae, Andreninae)
Figure 2 Luisanthrena ruzae Ramos & Melo new species, paratypes. A, head of female in frontal view. B, female in dorsal view. C, head of male in frontal view. D, male in lateral view. Scale bar: 0.5 mm.
Text-fig. 1. Map of the early Eocene Okanagan Highlands British Columbia, Canada and Washington, United States of America. Modified from Archibald et al. 2014: fig. 2, courtesy of Bruce Archibald. in The Early Eocene Flora Of Horsefly, British Columbia, Canada And Its Phytogeographic Significance
Text-fig. 1. Map of the early Eocene Okanagan Highlands British Columbia, Canada and Washington, United States of America. Modified from Archibald et al. 2014: fig. 2, courtesy of Bruce Archibald.
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.