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1,337 results for “antarctica”
Landsat 8 Ice Speed of Antarctica (LISA), Version 1
This data set is a compilation of Antarctic ice flow velocity mappings generated from pairs of panchromatic images acquired by the Operation Land Imager (OLI) aboard the Landsat 8 satellite. This effort is part of the Global Land Ice Velocity Extraction from Landsat (GoLIVE) project.
Expression analysis of Pseudozyma antarctica T-34 and Ustilago maydis on different carbon source
GEO Series GSE47171. Moesziomyces antarcticus T-34; Mycosarcoma maydis. 2 samples. Type: Expression profiling by array.
Figure 2 in First fossil frog from Antarctica: implications for Eocene high latitude climate conditions and Gondwanan cosmopolitanism of Australobatrachia
Figure 2. Ilium (NRM-PZ B282) of Calyptocephalella sp. from Seymour Island, Antarctica. Ilium in lateral (a), medial (b), ventral (c) and dorsal (d) views. Magnified region of the dorsal protuberance in lateral (e – dashed rectangle in orange color) and dorsal (f – dashed rectangle in yellow color) view. The dashed line in black on (a) indicates the probable outline of the posterior extension of the ventral acetabular expansion. The asterisk (*) on (a,c) indicates the shallow and broad depression of the ventral acetabular expansion. The double asterisk (**) indicates the notch caudally from the dorsal protuberance. The dashed red lines on (e,f) outline the intact bone surface. Abbreviations: ac, acetabulum; ar, acetabular rim; dae, dorsal acetabular expansion; is, iliac shaft; paf, preacetabular fossa; spf, supraacetabular fossa; vae, ventral acetabular expansion; vd, ventral depression.
Figure 3 in First fossil frog from Antarctica: implications for Eocene high latitude climate conditions and Gondwanan cosmopolitanism of Australobatrachia
Figure 3. Skull bone fragment (NRM-PZ B281) of Calyptocephalella sp. from Seymour Island, Antarctica in dorsal (a), ventral (b) and lateral (c) views.
Figure 6 in First fossil frog from Antarctica: implications for Eocene high latitude climate conditions and Gondwanan cosmopolitanism of Australobatrachia
Figure 6. Reconstruction of an Eocene pond in the Nothofagus forest of the Antarctic Peninsula with Calyptocephalella, sitting on a leaf of Notonuphar antarctica which was described from the same locality12. Artwork by Pollyanna von Knorring, Swedish Museum of Natural History. Photo credits: Simon Pierre Barrette and José Grau de Puerto Montt, Wikimedia Commons (CC BY-SA 3.0), and Mats Wedin, Swedish Museum of Natural History.
Figure 5 in First fossil frog from Antarctica: implications for Eocene high latitude climate conditions and Gondwanan cosmopolitanism of Australobatrachia
Figure 5. Eocene palaeogeography of the south polar region with a cladogram of australobatrachid frogs showing their occurrences on the southern continents. The grey color indicates the outlines of the continents during the Eocene, the black colored outline the present-day outlines of the continents. Map redrawn from an original generated using ArcGIS 10.17.1 (www.esri.com) software, based on the Satellite base map layer in google Maps (Map data ©2019 Google). Abbreviations: ANT, Antarctica; AUS, Australia and Tasmania; NG, New Guinea; NZ, New Zealand; SA, South America. The red star indicates the fossil locality on Seymour Island.
FIGURE 48 in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 48. Chaetozone homosetosa (Hartmann-Schröder & Rosenfeldt, 1989). R/V Hero Sta. 8-24, 38-1 (USNM 1129127): A, anterior end, dorsal view; B, posterior end, dorsal view; C, noto- and neurosetae of posterior setiger; D, posterior neuroacicular spine.
FIGURE 47. A–G. Chaetozone gesae n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 47. A–G. Chaetozone gesae n. sp. Holotype (USNM 56074): A. anterior end, dorsal view; B, posterior end, dorsal view; C–F, neuropodial spines from far posterior setiger; G, detail of curved tip of posterior spine.
FIGURE 44. Chaetozone castanea n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 44. Chaetozone castanea n. sp. Paratypes (USNM 1490740): A, entire worm, ventrolateral view; B, anterior end, dorsal view; C, posterior end, dorsal view; D, posterior parapodium, posterior view; E, neuroacicular spines
FIGURE 42 in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 42. Chaetozone bransfieldensis (Hartmann-Schröder & Rosenfeldt, 1989). A, anterior end, dorsal view, arrow indicates detail of eyespot, not to scale; B, mid-body segment, setiger 40, with paired noto- and neuroacicular spines and companion capillaries; C, far posterior segment, with partial cinctures of noto- and neuroacicular spines; D, neuroacicular spines. A, C, holotype (ZMH P-19615); B, D, specimen from Hero, Sta. 721-797 (USNM 1490769). C, modified from Hartmann-Schröder & Rosenfeldt 1989.
FIGURE 50. Chaetozone reticulata n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 50. Chaetozone reticulata n. sp. Photomicrographs of holotype (USNM 46817): A, anterior end, dorsal view; B, anterior end, detail, dorsal view; C, anterior end, ventral view; D, middle body segments, dorsal view with reticulated pigment; E, posterior segments, dorsal view; F, Ventral pygidial lobe; G, fascicle of posterior acicular spines.
FIGURE 41. Chaetozone biannulata n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 41. Chaetozone biannulata n. sp. A–D, SEMs: A, anterior end, right lateral view (inset of nuchal organ); B, anterior end, right lateral view; C, anterior end, dorsal view; D, notoacicular spine and capillary. E, photomicrograph of posterior parapodium, anterior view. A–D, paratypes (SEM stubs, Sta. 151-6, MCZ 149852); E, paratype (Sta. 151-6, SMF 24925).
FIGURE 39. Chaetozone australosetosa n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 39. Chaetozone australosetosa n. sp. Paratypes (MCZ 149839), photomicrographs of juveniles: A–C, 34-setiger juvenile: A, entire worm, dorsal view; B, same, anterior half, dorsal view twisting to lateral view; C, same, posterior half, dorsal view twisting to lateral view. D–F, 16 setiger juvenile: D, entire worm, twisted from dorsal to lateral; E, anterior end, dorsal view; F, posterior end, right lateral view. All stained with Shirlastain A.
FIGURE 38. Chaetozone australosetosa n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 38. Chaetozone australosetosa n. sp. Paratypes (MCZ 149839), SEM and photomicrographs: A, anterior end, dorsal view; B, posterior parapodium, anterior view; C, notoacicular spines from posterior setiger; D, neuroacicular spines from posterior setiger.
FIGURE 37. Chaetozone australosetosa n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 37. Chaetozone australosetosa n. sp. Holotype (LACM-AHF Poly 10219): A, Anterior half of holotype, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view; D, detail of pygidium, dorsal view; E, posterior neuropodial spines.
FIGURE 46. Chaetozone cristata n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 46. Chaetozone cristata n. sp. Photomicrographs: A–B, anterior ends, dorsal view; C, anterior end, right lateral view; D, posterior end, right lateral view; E, posterior parapodium, left, anterior view. A, C, E, paratype Sta. 32-25-2 (USNM 1490772); B, D, holotype (USNM 1490771). A–D, stained with Shirlastain A.
FIGURE 36 in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 36. Chaetocirratulus pinguis (Hartman, 1978). A, entire worm, dorsal view; B, SEM of anterior end, dorsolateral view; C, SEM of anterior neurosetae; D, neuropodial acicular spine; E, neuropodial capillaries and spine (inset not to scale). A, D–E, paratype (USNM 46783); B–C, NBP Sta. 34, SEMs.
FIGURE 54. Tharyx coloris n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 54. Tharyx coloris n. sp. Paratype (MCZ 149854): A, anterior end, dorsal view; B, anterior end, right lateral view; C, posterior end, dorsal view; D–E, posterior neuropodial geniculate spines; F, transitional neuropodial spine; G, capillary neuroseta.
FIGURE 59 in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 59. Tharyx obtusus (Hartmann-Schröder & Rosenfeldt, 1990). Photomicrographs: A, anterior end, dorsal view; B, posterior end, left lateral view; C, posterior end, dorsal view. All from Sta. NBP-01 (LACM-AHF Poly 10231). All stained with Shirlastain A.
FIGURE 35. Chaetocirratulus neogracilis n in Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R/V Anton Bruun, USNS Eltanin, USCG Glacier, R/V Hero, RVIB Nathaniel B. Palmer, and R/V Polarstern from the Southern Ocean, Antarctica, and off Western South America
FIGURE 35. Chaetocirratulus neogracilis n. sp. A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodium from posterior segment; D–F, neuropodial acicular spines; G, posterior end, lateral view. A, holotype (USNM 1490737); B–G, paratypes (USNM 1490738).
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.