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13,864 results for “staging”
Data from: Life stage hypothesis modeling determines insect vulnerability during developmental life stages to climate extremes
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Dead litter of resident species first facilitates and then inhibits sequential life stages of range-expanding species
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Ornamented species incur higher male mortality in the larval stage
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Data from: Responses of a widespread pest insect to extreme high temperatures are stage-dependent and divergent among seasonal cohorts
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Data from: Petrogenetic studies of Permian pegmatites in the Chinese Altay: implications for a two-stage post-collisional magmatism model
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Critical thermal maxima of early life stages of three tropical fishes: effects of rearing temperature and experimental heating rate
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RNA seq data set of chick, quail, and duck mandibular primordia at embryonic stage (HH) 37
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Data from: Selection of floral traits by pollinators and seed predators during sequential life history stages
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Data from: Disruption of natural disturbance regime decouples habitat and life stage in a keystone species
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Effects of Multiple Stressors on Ecological Performance of Early Life Stage Sturgeon
Aquatic contaminants are pervasive in the SFBD, and they are recognized as a potential threat to recruitment of California sturgeon. However, knowledge of the vulnerability of sturgeon to aquatic contaminants is limited. Our goal was to investigate sub-lethal effects of two pesticides (bifenthrin and fipronil) on early life stages of sturgeon, and explore potential synergistic effects with sub-optimal water temperatures. We conducted laboratory exposures of yolk-sac larvae to multiple concentrations of pesticides over 96hrs to identify concentration-dependent impacts on growth, motor-coordination, and activity levels. We saw greater sensitivity in White Sturgeon (Acipenser transmontanus) than in Green Sturgeon (A. medirostris), yet both displayed marked loss of motor-control and reduced activity after three days at the highest exposure concentrations (above environmentally relevant thresholds). These effects were magnified when fish were exposed to bifenthrin at cold temperatures (12C). After the exposure period, fish were allowed to recover in freshwater then tested for ecologically relevant carryover effects. We evaluated thermal tolerance, swimming performance, metabolic rates, and/or foraging behavior, yet saw limited evidence of long-term impacts from aqueous pesticide exposure at the larval life stage. We found that sturgeon may be resilient to environmentally relevant exposure levels of these pesticides under short-term exposure conditions, and more resilient than other species of fishes commonly used for aquatic toxicity testing. Future work would be valuable to address other avenues of exposure (i.e.: ingestion, contaminated sediments), and to consider effects of exposure at older life stages, longer exposures to more persistent contaminants, and the effect of maternal transfer of contaminants on survival and development of embryos and larvae. This increased knowledge about sturgeon responses to common contaminants will allow for more targeted management of
Mound Stage Data for mounds in Alabama, Georgia, Mississippi, and Tennessee
These data provide mound counts, listing of stages, and associated time periods for Precolumbian Native American earthen mound sites in four states in the southeastern United States. Each row represents a single mound. Official State Site Numbers are provided with each row to link the data back to state archaeological site file data. Coordinate data are not available as prescribed by law. Coordinate data should be available from state archaeological site file offices, but only to those who qualify as credentialed archaeologists for each state.
July and August 2012, 10 minute interval, creek water temperature, salinity, oxygen, tidal stage and net ecosystem metabolism in Sweeney and West Creek off Rowley River, MA.
July and August 2012, 10 minute interval, measurements of creek water temperature, salinity, oxygen, as well as tidal stage data and net ecosystem metabolism in Sweeney Creek, Right branch (Ipswich, MA) and West Creek Left branch (IRowley, MA) tidal creeks.
FIGURES 23–26 in Description of the immature stages of the Neotropical whirligig beetle Gyrinus (Neogyrinus) rozei Ochs, 1953 (Coleoptera: Gyrinidae) and first report of the parasitoid wasp Melanosmicra sp. (Hymenoptera: Chalcididae) on a Gyrinus species
FIGURES 23–26. Gyrinus rozei, first-instar larva. 23. Left metathoracic leg, anterior view. 24. Right metathoracic leg, posterior view. 25. Abdominal segment X and hooks, ventral view. 26. Abdominal segment X and hooks, lateral view. Scale bars 0.3 mm (Figs 25, 26), 0.5 mm (Figs 23, 24).
FIGURES 14–15 in Description of the immature stages of the Neotropical whirligig beetle Gyrinus (Neogyrinus) rozei Ochs, 1953 (Coleoptera: Gyrinidae) and first report of the parasitoid wasp Melanosmicra sp. (Hymenoptera: Chalcididae) on a Gyrinus species
FIGURES 14–15. Gyrinus rozei, first-instar larva, cephalic capsule. 14. Dorsal view. 15. Ventral view. Numbers and lowercase letters indicate primary setae and pores. Note: frontoclypeus (FR), parietal (PA) and egg bursters (EB). Scale bar 0.5 mm.
FIGURES 7–10 in Description of the immature stages of the Neotropical whirligig beetle Gyrinus (Neogyrinus) rozei Ochs, 1953 (Coleoptera: Gyrinidae) and first report of the parasitoid wasp Melanosmicra sp. (Hymenoptera: Chalcididae) on a Gyrinus species
FIGURES 7–10. Eggs of Gyrinus rozei analyzed under scanning electron microscopy. 7. Dorsal view. 8. Micropyle (anterior pole). 9. Dorsal region amplified showing details of cells of chorion with superficial circular grooves. 10. Lateral region showing chorion details. Scale bars 200 µm (Fig. 7), 20 µm (Figs 8, 9) and 50 µm (Fig. 10).
FIGURES 16–22 in Description of the immature stages of the Neotropical whirligig beetle Gyrinus (Neogyrinus) rozei Ochs, 1953 (Coleoptera: Gyrinidae) and first report of the parasitoid wasp Melanosmicra sp. (Hymenoptera: Chalcididae) on a Gyrinus species
FIGURES 16–22. Gyrinus rozei, first-instar larva. 16. Right antenna, dorsal view. 17. Left antenna, ventral view. 18. Right maxilla, dorsal view. 19. Left maxilla, ventral view. 20. Labium, dorsal view. 21. Labium, ventral view. 22. Right mandible, dorsal view. Numbers and lowercase letters indicate primary setae and pores. Note: antenna (AN), labium (LA), mandible (MN), maxilla (MX). Scale bars 0.1 mm (Figs 18, 19, 22), 0.3 mm (Figs1 6, 17, 20, 21).
FIGURES 33–38. Gyrinus rozei, pupal cocoons. 33–36 in Description of the immature stages of the Neotropical whirligig beetle Gyrinus (Neogyrinus) rozei Ochs, 1953 (Coleoptera: Gyrinidae) and first report of the parasitoid wasp Melanosmicra sp. (Hymenoptera: Chalcididae) on a Gyrinus species
FIGURES 33–38. Gyrinus rozei, pupal cocoons. 33–36. Cocoons constructed with different parts of the aquatic monocot used as substrate. 37. Cocoon with exit hole made by the parasitoid wasp Melanosmicra sp. (Hymenoptera: Chalcididae). 38. Types of cocoons on the substrate.
FIGURE 4 in Description of zoeal stages of Albunea paretii Guérin-Méneville, 1853 (Decapoda: Albuneidae) collected from the Amazon Continental Shelf (Brazil)
FIGURE 4. Albunea paretii. Sixth zoea: a, whole animal; b, antennule; c, antenna; d, mandibles; e, maxillule; f, maxilla; g, first maxilliped; h, second maxilliped; i, third maxilliped; j, first pereiopod; k, second pereiopod; l, third pereiopod; m, fourth pereiopod; n, fifth pereiopod; o, first pleopod; p, second pleopod; q, third pleopod; r, fourth pleopod; s, detail of telson and uropods. Scale bars: 0.10 mm.
FIGURE 4 in The immature stages of Phylloicus obliquus Navás, 1931 (Insecta: Trichoptera: Calamoceratidae)
FIGURE 4. Phylloicus obliquus Navás 1931, larval gill formula. I–VIII = abdominal segments; DL = dorsolateral gills; L = lateral gills; VL = ventrolateral gills; numbers inside circles shows the number of gill filaments in each gill.
FIGURE 6 in The immature stages of Phylloicus obliquus Navás, 1931 (Insecta: Trichoptera: Calamoceratidae)
FIGURE 6. Phylloicus obliquus Navás 1931, pupa. 6A, abdomen, dorsal. 6B–6H, dorsal hook plates, anterior plates (unless otherwise indicated): 6B, segment I; 6C, segment III; 6D, segment IV; 6E, segment V; 6F, segment V (posterior plate) and segment VI; 6G, segment VII; 6H, segment VIII.
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.