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92 results for “Beaufort Sea”
FIGURE 2 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 2. Laona californica (Willett, 1944). Anatomy of a specimen from Southern California (LACM 178900). A. Anterior portion of the digestive system. B. Male reproductive organs. Abbreviations: bb, buccal bulb; cns, central nervous system; e, esophagus; pe, penis; pr, prostate.
FIGURE 11 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 11. Philine polystrigma (Dall, 1908). Anatomy of a specimen from Southern California (LACM 95-130.26). A. Male reproductive organs. B. Penis. C. Anterior portion of the digestive system. Abbreviations: bb, buccal bulb; cns, central nervous system; e, esophagus; gz, gizzard; pe, penis; pr, prostate; sg, salivary gland.
FIGURE 13 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 13. Philine mcleani sp. nov. A. Dorsal view of a 9 mm preserved length specimen from the Beaufort Sea (LACM 72- 249.11). B–C. Ventral and dorsal view of a 6.2 mm shell from the Beaufort Sea (LACM 72-249.11). D. Shell sculpture, same specimen. E–F. Inner and outer view of the gizzard plates, same specimen. G. Radula, same specimen. H. Penis, same specimen.
FIGURE 1 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 1. Laona californica (Willett, 1944). A. Preserved specimen from Southern California (LACM 178900), dorsal view. B. Radula, same specimen. C. Partially broken holotype (LACM 1074). D–E. Ventral and dorsal view of a 4.6 mm long shell from the Southern California (LACM 41-228.4).
FIGURE 17 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 17. Philine baxteri sp. nov. Anatomy of a specimen from the Aleutian Islands (LACM 71-253.3). A. Anterior portion of the digestive system. B. Male reproductive organs. Abbreviations: bb, buccal bulb; cns, central nervous system; e, esophagus; pe, penis; pr, prostate.
FIGURE 21 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 21. Philine wareni sp. nov. Male reproductive organs of a specimen from Oregon (SMNH 45428). Abbreviations: pe, penis; pr, prostate; rm, retractor muscle.
FIGURE 7. Philine ornatissima Yokoyama, 1927. A in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 7. Philine ornatissima Yokoyama, 1927. A. Live specimen from Southern California, dorsal view (photo: Leslie Harris). B–C. Ventral and dorsal view of a 3.2 mm long shell from Southern California (LACM 178889). D–E. Inner and outer view the gizzard plates of the same specimen. F. Penis of the same specimen. G. Shell sculpture. H–I. Outer and lateral radular teeth of the same specimen.
FIGURE 20 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 20. Philine wareni sp. nov. A–B. Dorsal and ventral view of the 3.2 mm preserved holotype (SMNH 45428). C. Radula of the same specimen. D–F. Gizzard plates of the same specimen.
Seismic velocity models (Vp, Vs and Vp/Vs) of the Beaufort Sea continental margin
<p>This folder contains the local tomography software (LOTOS, Koulakov et al. 2009), three-dimensional seismic velocity models (Vp, Vs and Vp/Vs) and the earthquake relocations presented in "Seismic evidence for a weakened thick crust at the Beaufort Sea continental margin" submitted to <em>Geophysical Research Letters</em>. Please consult the detailed description of these files provided by I. Koulakov (http://www.ivan-art.com/science/LOTOS/).</p> <p>Koulakov, I. (2009). LOTOS code for local earthquake tomographic inversion: Benchmarks for testing tomographic algorithms. Bulletin of the Seismological Society of America, 99 (1), 194–214. doi: https://doi.org/10.1785/0120080013</p>
Stable isotope differences of polar bears in the Southern Beaufort Sea and Chukchi Sea
<p>The life history, genetic, and habitat use differences between the 2 polar bear<strong> </strong>(Ursus maritimus) subpopulations in Alaska have been used to determine the geographic border separating them, but it has sparked a debate of the correct placement of the border for several years. Recently, the Southern Beaufort Sea (SBS) polar bear subpopulation has declined due to sea ice loss, while the Chukchi Sea (CS) subpopulation appears stable. To provide additional information about potential differences between the SBS and CS subpopulations, such as differences in prey sources, we used stable isotope analysis of carbon and nitrogen from bone collagen of polar bears in these 2 neighboring subpopulations. We analyzed polar bear bones (1954–2019) from 112 individuals. Our purpose was to determine if the SBS and CS subpopulations could be distinguished based on the stable isotope signatures of bone collagen. A difference greater than 1‰ in δ<sup>13</sup>C values suggests a change in carbon sources, such as nearshore to offshore, while a 3‰ change in δ<sup>15</sup>N values equates to a change of about 1 trophic level. Our study showed a significant difference in δ<sup>13</sup>C values (P ≤ 0.001), but not δ<sup>15</sup>N values (P = 0.654) between the CS (−13.0±0.3‰ and 22.0±0.9‰, respectively) and SBS bears (−14.7±1.3‰ and 22.2±1.0‰, respectively). Our findings indicate that the 2 subpopulations are consuming similar high trophic level prey, while feeding in ecosystems with different δ<sup>13</sup>C baselines. We performed a logistic regression analysis (LR) using δ<sup>13</sup>C and δ<sup>15</sup>N values of the polar bears to predict their placement into these 2 subpopulations. Using Icy Cape, AK as the geographical boundary, the LR correctly placed polar bears in their respective subpopulations 82% of the time. Overall accuracy of placement changed to 84% when using the current geographical boundary at Utqiaġvik, AK. Samples collected from the Wainwright, AK region were predicted as 58% CS and 42% SBS polar bears. This suggests that the area between Wainwright and Icy Cape is a polar bear mixing zone that includes bears from both subpopulations. Bone collagen has a long-term, potentially life-long, stable isotope turnover rate, and our findings could be used to determine the association of harvested polar bears to Alaska subpopulations, thus aiding in transboundary harvest quota management.</p>
Distribution. Circumpolar in the N Atlantic Ocean (NE Canada-W Greenland and E Greenland, Svalbard, Barents and Kara seas) and N Pacific Ocean (Bering—Chuckchi-Beaufort seas and Sea of Okhotsk). in Balaenidae
Distribution. Circumpolar in the N Atlantic Ocean (NE Canada-W Greenland and E Greenland, Svalbard, Barents and Kara seas) and N Pacific Ocean (Bering—Chuckchi-Beaufort seas and Sea of Okhotsk).
Distribution. The most widely distributed of all cetaceans, found in almost any marine environment from the Equator to both polar zones, including semi-enclosed seas such as the Mediterranean Sea, Red Sea, Persian Gulf, Gulf of California, Sea of Okhotsk, Yellow Sea, Sea ofJapan, Chukchi Sea, Beaufort Sea, Gulf of Saint Lawrence, and Ross Sea. in Delphinidae
Distribution. The most widely distributed of all cetaceans, found in almost any marine environment from the Equator to both polar zones, including semi-enclosed seas such as the Mediterranean Sea, Red Sea, Persian Gulf, Gulf of California, Sea of Okhotsk, Yellow Sea, Sea ofJapan, Chukchi Sea, Beaufort Sea, Gulf of Saint Lawrence, and Ross Sea.
FIG. 1 in A New Snailfish of the Genus Careproctus (Cottiformes: Liparidae) from the Beaufort Sea
FIG. 1. Careproctus canusocius, new species, holotype, UAM 47901, 81.0 mm SL, Beaufort Sea, U.S.–Canada Transboundary waters, photographed after preservation.
FIG. 3 in A New Snailfish of the Genus Careproctus (Cottiformes: Liparidae) from the Beaufort Sea
FIG. 3. Distribution of Careproctus canusocius, new species, in the Beaufort Sea, U.S.–Canada Transboundary waters. Star ¼ holotype (UAM 47901), circle ¼ paratype (UAM 47917). Bottom contours illustrated are 200, 400, and 600 m.
FIG. 2 in A New Snailfish of the Genus Careproctus (Cottiformes: Liparidae) from the Beaufort Sea
FIG. 2. Right medial view of pectoral girdle of Careproctus canusocius, new species, paratype, UAM 47917, 60.1 mm SL, maturing female. Gray areas represent cartilage.
Sea-ice motion and oceanographic data from the Beaufort Sea to the Chukchi Borderland in March – October, 2022
<p>Here is the first release of our ICEX2022 data.</p>
Bowhead whales overwinter in the Amundsen Gulf and Eastern Beaufort Sea
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Stable isotope differences of polar bears in the Southern Beaufort Sea and Chukchi Sea
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Data from: Ringed seal (Pusa hispida) seasonal movements, diving, and haul-out behavior in the Beaufort, Chukchi, and Bering seas (2011–2017)
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FIGURE 3 in Philinidae, Laonidae and Philinorbidae (Gastropoda: Cephalaspidea: Philinoidea) from the northeastern Pacific Ocean and the Beaufort Sea (Arctic Ocean)
FIGURE 3. Distribution maps of the specimens studied in this paper (native species only).
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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.