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12,309 results for “America”
Fig. 3. Zammara medialinea n in TWO NEW ZAMMARA SPECIES FROM SOUTH AMERICA (HEMIPTERA: CICADOMORPHA: CICADIDAE)
Fig. 3. Zammara medialinea n.sp. type male. A. Dorsal view. Bar = 2 cm. B. Ventral view. Bar = 2 cm.
Fig. 2. Zammara olioacea n in TWO NEW ZAMMARA SPECIES FROM SOUTH AMERICA (HEMIPTERA: CICADOMORPHA: CICADIDAE)
Fig. 2. Zammara olioacea n.sp. type male. A. Dorsal opening to the timbal. B. Male operculum. C. Lateral view of the type male genitalia. D. Posterior view of male genitalia.
Metabolizable energy and biomass of plants consumed by caribou (Rangifer tarandus) in tundra communities of northern Alaska and deer (Odocoileus spp.) in forests and grasslands of Washington, United States of America
<p>A ubiquitous interaction operates at the base of food webs in many terrestrial ecosystems of the world, creating the foundation for bottom-up regulation of consumers. This interaction plays out as follows. Populations of herbivores deplete plant biomass by foraging. Increasing herbivore population size intensifies this depletion, which in turn, creates a negative feedback regulating herbivore population growth. Large herbivores and the plants they consume offer a useful system for studying this interaction because populations of large herbivores are often regulated by density dependence, defined as the reduction in the per-capita growth rate that occurs as populations grow. Diminished body mass of individuals has been repeatedly observed in high-density populations, implicating plant-mediated, diminished nutrition as the primary cause of density dependence. However, there is no general explanation for why these nutritional deficiencies occur. The data deposited here were used to demonstrate fit new model of the feedbacks from plant biomass to herbivores. The model shows how reduced nutrition of herbivores can result from increased dilution of metabolizable energy in the plant tissue they consume as populations grow even when a large fraction of the consumable plant biomass remains uneaten. This result provides a tidy, mechanistic explanation for bottom-up control of population dynamics of primary consumers in a "green world." </p>
Study of a Novel Tetravalent Dengue Vaccine in Healthy Children and Adolescents Aged 9 to 16 Years in Latin America
ClinicalTrials.gov study NCT01374516. IPD Sharing: YES. Countries: 5. Publications: 15.
Immunogenicity and Safety of Sanofi Pasteur's CYD Dengue Vaccine in Healthy Children and Adolescents in Latin America
ClinicalTrials.gov study NCT00993447. IPD Sharing: YES. Countries: 4. Publications: 2.
Study of CYD Dengue Vaccine in Healthy Children and Adolescents in South America
ClinicalTrials.gov study NCT01187433. IPD Sharing: YES. Countries: 1. Publications: 2.
Scaling Up Science-based Mental Health Interventions in Latin America
ClinicalTrials.gov study NCT03392883. IPD Sharing: YES. Countries: 1. Publications: 1.
Herbarium-Derived Phenological Data in North America
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Defoliator outbreaks track with warming across the Pacific coastal temperate rainforest of North America
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Data from: Recent decreases in snow water storage in western North America
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Does European-introduced Phragmites australis experience below-ground microbial enemy release in North America?
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Data and code for: Adaptive evolution of freezing tolerance in oaks is key to their dominance in North America
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Sixty-years of community-science data suggest earlier fall migration and short-stopping of several species of waterfowl in North America
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Data from: Limited directional change in mountaintop plant communities over 19 years in western North America
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Data for: Off-host survival of blacklegged ticks in eastern North America: A multi-stage, multi-year, and multi-site study
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Opposing patterns of altitude-driven pollinator turnover in the tropical and temperate Americas
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Estimates of ecosystem metabolism for 59 rivers in North America, 2008-2021
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North America Holocene land cover: REVEALS-GMRF
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Data from: Multiple genotypes of Phelipanche ramosa indicate repeated introductions to the Americas: Sequence alignments and phylogenetic trees
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Data from: Dispersal limits poleward expansion of mangroves on the west coast of North America
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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.