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355 results for “Western Canada”
Fig 1. Ernobius mollis. A in Ernobius mollis (Linnaeus) (Coleoptera: Ptinidae: Ernobiinae), an Adventive Wood-Boring Beetle Detected in Western Canada
Fig 1. Ernobius mollis. A) Dorsal habitus (modified from Klimaszewski et al. 2017), B) Aedeagus, parameral and lateral view (left to right). Scale bars = 1 mm (A), 0.5 mm (B).
FIGURE 3 in Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada
FIGURE 3. Sclerites of species here assigned to Acanthoparyphinae, showing unique perforate tubercle sculpture found in multiple taxa and the occasional presence of transverse pit rows in place of pleural furrows. 1, 3. Forteyops sexapugius (Ross, 1951). 1. Pygidium, SUI 148403, dorsal view, x10, Garden City Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Round Hill, near Mantua, Box Elder County, Utah, USA. 3. Left librigena, SUI 148404, external view, x20, Fillmore Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Section H, 290.4 m, southern Confusion Range, Millard County, Utah, USA.. 2. Forteyops n. sp., pygidium, SUI 148405, dorsal view, x12, Wah Wah Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Section J 46.8 m, southern Confusion Range, Millard County, Utah, USA. 4. Kawina? webbi Hintze, 1953, left librigena, SUI 148406 external view, x20, Wah Wah Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Section J
FIGURE 5 in Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada
FIGURE 5. Hypostomes of Early and Middle Ordovician species assigned herein to Acanthoparyphinae. 1. Cydonocephalus griphus Whittington, 1963, ventral view of hypostome in articulated cephalon, holotype specimen GSC 16272, x15, Shallow Bay Formation (lower Darriwilian), Lower Head, western Newfoundland, Canada. 2. Kawina arnoldi Whittington, 1963, ventral view of hypostome in articulated cephalon, holotype specimen GSC 162692, x7.5, Shallow Bay Formation (lower Darriwilian), Lower Head, western Newfoundland, Canada. 3. Forteyops sexapugius (Ross, 1951), hypostome, SUI 148410, ventral view, x10, Garden City Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Round Hill, near Mantua, Box Elder County, Utah, USA. 4. Kawina n. sp., hypostome, SUI 148411, ventral view, x12, Kanosh Formation (Dapingian), Section K 1.5T m, southern Confusion Range, Millard County, Utah, USA. 5. Kawina? webbi Hintze, 1953, hypostome, SUI 147662, ventral view, Wah Wah Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Section J 40.0 m, southern Confusion Range, Millard County, Utah, USA. 6. Acanthoparyphinae n. gen. n. sp., hypostome, SUI 148412, ventral view, x12, Yellow Hill Limestone (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Yellow Hill, near Pioche, Lincoln County, Nevada, USA.
FIGURE 4 in Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada
FIGURE 4. The holotype incomplete dorsal exoskeleton of Pandaspinapyga salsa Esker, 1964 (provenance given in explanation of Fig. 3.6), demonstrating the presence of 13 thoracic segments in this two pygidial segment form of Acanthoparyphinae. OU 5200, dorsal view, x10. An example of an intact pygidium of this species is illustrated in Fig. 3.6.
FIGURE 2 in Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada
FIGURE 2. Stratigraphic column of Table Cove Formation at Section TCM, near Marechal Island, Hare Bay, Great Northern Peninsula, western Newfoundland (see Fig. 1 for exact geographic position). Horizons from which material is illustrated are shown. Light colored lithologies are limestones; dark interbeds are calcareous shales. Wavy symbols next to the column indicate beds that are debris flows.
FIGURE 1. 1 in Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada
FIGURE 1. 1. Map of western Newfoundland, Canada. Position of detailed map of Fig. 1.2 is shown as small inset square. 2. Location of section TCM on coast north of town of Main Brook, Hare Bay, Great Northern Peninsula, western Newfoundland, Canada.
FIGURE 1. Trigonotylus species. A–G in Two new species of Trigonotylus (Hemiptera: Heteroptera: Miridae: Stenodemini) from western Canada and northwestern United States
FIGURE 1. Trigonotylus species. A–G. Antenna, dorsal view, scale = 0.5 mm. A. T. americanus. B. T. antennatus. C. T. caelestialium. D. T. exilis. E. T. flavicornis. F. T. setosus. G. T. viridis. H–I. Dorsal habitus, scale = 2.0 mm. H. T. exilis. I. T. setosus. J–K. Endosoma, left lateral view, scale = 0.2 mm. J. T. exilis. K. T. setosus.
Physical characteristics and chemical measurements of northern lakes in western Canada
<p>Northern lakes disproportionately influence the global carbon cycle and may do so more in the future depending on how their microbial communities respond to climate warming. Microbial communities can change because of the direct effects of climate warming on their metabolism and the indirect effects of climate warming on groundwater connectivity from thawing of surrounding permafrost, especially at lower landscape positions. Here we used shotgun metagenomics to compare the taxonomic and functional gene composition of sediment microbes in 19 peatland lakes across a 1600-km permafrost transect in boreal western Canada. We found microbes responded differently to the loss of regional permafrost cover than to increases in local groundwater connectivity. These results suggest that both the direct and indirect effects of climate warming, which were respectively associated with loss of permafrost thaw and subsequent changes in groundwater connectivity, interact to change microbial composition and function. Archaeal methanogens and genes involved in all major methanogenesis pathways were more abundant in warmer regions with less permafrost, but higher groundwater connectivity partly offset these effects. Bacterial community composition and methanotrophy genes did not vary with regional permafrost cover, and the latter changed similarly to methanogenesis with groundwater connectivity. Finally, we found an increase in sugar utilisation genes in regions with less permafrost, which may further fuel methanogenesis. These results provide the microbial mechanism for observed increases in methane emissions associated with loss of permafrost cover in this region and suggest that future emissions will primarily be controlled by archaeal methanogens over methanotrophic bacteria as northern lakes warm. Our study more generally suggests that future predictions of aquatic carbon cycling will be improved by considering how climate warming exerts both direct effects associated with regional-scale permafrost thaw and indirect effects associated with local hydrology.</p>
Impact of COVID-19 Pandemic on Intraoperative Ventilation Practices in Western Canada
ClinicalTrials.gov study NCT06821139. IPD Sharing: NO. Countries: 1. Publications: 7.
Data from: Population size and major valleys explain microsatellite variation better than taxonomic units for caribou in western Canada
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Data from: Spatial genetic structure of the mountain pine beetle (Dendroctonus ponderosae) outbreak in western Canada: historical patterns and contemporary dispersal
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Projected effects of climate change on boreal bird community accentuated by anthropogenic disturbances in western boreal forest, Canada
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Data from: Population genetic structure of the western cherry fruit fly Rhagoletis indifferens (Diptera: Tephritidae) in British Columbia, Canada
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Physical characteristics and chemical measurements of northern lakes in western Canada
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Cryptic genetic diversity and cytonuclear discordance characterize contact among Canada jay (Perisoreus canadensis) morphotypes in western North America
<p>Three distinct Canada jay (<em>Perisoreus canadensis</em>) morphotypes with easily recognizable plumage traits come into contact in western North America. Recent work demonstrated high genetic structure across the species' range; however, patterns of genetic variation in these contact zones remain unknown. We categorized 605 individuals into one of three morphotypes (Pacific, Rocky Mountain, and Boreal) based on plumage, and genotyped individuals at the mtDNA control region and 12 microsatellite loci to assess the extent of hybridization between morphotypes. Our data showed cryptic genetic diversity and high cytonuclear discordance among morphotypes within contact zones, which is likely the result of recent and historical admixture. The distributions of the Boreal and Pacific morphotypes each showed a strong association with a single, distinct genetic group, whereas the Rocky Mountain morphotype exhibited higher genetic diversity and was associated with multiple genotypes. Our analyses show the importance of considering both plumage and genetic traits when examining contact zones between closely related taxa. Finally, the data presented in this study reaffirm that the Pacific morphotype is distinct from the Boreal and Rocky Mountain morphotypes based on genetic, phenotypic, and ecological data, indicating that the Pacific morphotype should be re-elevated to a full species.</p>
HLWATER V1.0 water bodies - Western Nunavik (Subarctic Canada)
<p>This dataset consists of a Very High Resolution water body delineation dataset computed with the <a href="https://doi.org/10.5281/zenodo.10203553">HLWATER V1.0 model</a> (<a href="https://doi.org/10.1016/j.rse.2024.114047">Freitas et al., 2024</a>) over PlanetScope-Dove imagery (3-m spatial resolution) for Western Nunavik (Eastern Hudson Bay), Subarctic Canada. It covers a total area of 41,832 km2 within the latitudes 54° to 58° N and the longitudes 74° to 78° W.</p> <p>The dataset is composed of 335,281 water bodies. Additionally, 1 km2 hexagonal grids are provided with the calculation of the limnicity (water fraction of land surface) and limnodensity (density of water bodies considering their centroids). Outputs are provided in shapefile and geodatabase formats.</p> <p>The manuscript detailing these outputs has been submitted to GIScience and Remote Sensing.</p>
FIG. 24 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin
FIG. 24. Scaphites (S.) depressus Reeside, 1927, macroconch, TMP2016.041.0216, 107.0 m, Wapiabi Formation, W. Thistle Creek, Alberta. A. Right lateral; B. apertural; C. ventral; D. left lateral.
FIG. 20 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin
FIG. 20. Scaphites (S.) depressus Reeside, 1927, macroconch, TMP2016.041.0025, 127.3 m, Wapiabi Formation, Ram River, Alberta. A. Right lateral; B. apertural; C. ventral; D. left lateral.
FIG. 13 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin
FIG. 13. Scaphites (S.) ventricosus Meek and Hayden, 1862, macroconch, TMP2016.041.0379, 107.5 m, Wapiabi Formation, Bighorn Dam, Alberta. A. Right lateral; B. apertural; C. ventral; D. left lateral.
FIG. 7 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin
FIG. 7. Scaphites (S.) preventricosus Cobban, 1952, macroconch, TMP2016.041.0038, 115 m, Wapiabi Formation, Mill Creek, Alberta. A. Right lateral; B. apertural; C. ventral; D. left lateral.
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.