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1,337 results for “antarctica”
Figure 3 from: Cao S, Zhang F, Zheng H, Peng F, Liu C, Zhou Q (2018) Coccomyxa greatwallensis sp. nov. (Trebouxiophyceae, Chlorophyta), a lichen epiphytic alga from Fildes Peninsula, Antarctica. PhytoKeys 110: 39-50. https://doi.org/10.3897/phytokeys.110.26961
Figure 3 The NJ tree based on ITS rDNA (a) and the ML tree based on SSU rDNA (b) sequences phylogenetic analyses. The sequences marked with Coccomyxa clade A–N referred after Malavasi et al. (2016).
Figure 2 from: Cao S, Zhang F, Zheng H, Peng F, Liu C, Zhou Q (2018) Coccomyxa greatwallensis sp. nov. (Trebouxiophyceae, Chlorophyta), a lichen epiphytic alga from Fildes Peninsula, Antarctica. PhytoKeys 110: 39-50. https://doi.org/10.3897/phytokeys.110.26961
Figure 2 Ultrastructure of Coccomyxagreatwallensis Shunan Cao & Qiming Zhou, sp. nov. in PDA medium; note: chloroplast (2), plastoglobuli (2), cell wall (3), starch granules (4), thylankoids (5) and mitochondria (6). Scale bar: 0.2 µm.
Figure 1 from: Cao S, Zhang F, Zheng H, Peng F, Liu C, Zhou Q (2018) Coccomyxa greatwallensis sp. nov. (Trebouxiophyceae, Chlorophyta), a lichen epiphytic alga from Fildes Peninsula, Antarctica. PhytoKeys 110: 39-50. https://doi.org/10.3897/phytokeys.110.26961
Figure 1 Coccomyxagreatwallensis Shunan Cao & Qiming Zhou, sp. nov., light microphotographs. Cells cultured in BBM medium (a, b) and in PDA medium (c, d). Scale bar: 10 µm.
CCLM simulation (Antarctica 2002-2016) - selected data
<p>These are selected data files (netcdf and Rdata) from the CCLM simulation presented in "Verification of the regional atmospheric model CCLM with conventional data and Lidar measurements in Antarctica" by Rolf Zentek and Günther Heinemann, which is currently in review by GMD.</p>
Spanish Antarctica campaign 2018/2019 ionosphere sounding dataset Caleta Argentina
<p>This data set contains the IQ data files acquired in Caleta Argentina during the Spanish Antarctica campaign from 4-2-2019 at 15:07 UTC from, the 8-2-2019 at 12:59 UTC from the founded project by CTM2015-68902-R (MINECO/FEDE). This data are the ionosphere sensing data, the sensing channel is realized by modifying the power transmission, channel BW, and the modulation (from 2QAM to 32QAM, 2PSK to 32PSK and 2FSK to 32FSK).</p>
Fig. 7 in The gaudryceratid ammonoids from the Upper Cretaceous of the James Ross Basin, Antarctica
Fig. 7. Macroconchs of the gaudryceratid ammonoid Anagaudryceras calabozoi Raffi and Olivero sp. nov., from early Campanian (Cretaceous), Antarctica, Rabot Formation, Redonda Point locality (A) and Hamilton Norte locality (B, C). A. CADIC PI 411, holotype, phragmocone and part of the body chamber in lateral (A1) and ventral (A2) views. B. CADIC PI 456, phragmocone and part of the body chamber in lateral view. C. CADIC PI 464, phragmocone and part of the body chamber in lateral view. Arrows mark the beginning of the body chamber.
Deep Electrical Resistivity Tomography - SENECA Project Antarctica
<p>This repository collects all the files of the <strong>Deep Electrical Resistivity Tomography (DERT) geophysical survey</strong> held in Antarctica (Dry Valleys) on December 2019- January 2020, as part of the SENECA Project (PrincipaI Investigator Livio Ruggiero, INGV, now at ISPRA).</p> <p>Files in this repository are organized as follows:</p> <ul> <li>The <strong>dem</strong> folder contains the Lidar xyz digital elevation model of the surveyed area (Fountain et al., 2017) that was used to appropriately model the terrain during the mesh generation step of the data processing.</li> <li>The <strong>field_data</strong> folder contains the DERT resistivity/chargeability datasets acquired by using the IRIS Instruments Fullwaver system (12 VFullwaver boxes, 50 meters MN dipoles) and a VIP5000 transmitter used to inject current at TX electrodes. More details on file types can be found in the folder's <em>README</em> file.</li> <li>The <strong>processing</strong> folder contains the resistivity inversions files for each profile. More details on file types can be found in the folder's <em>README</em> file.</li> <li>The <strong>topography</strong> folder hosts the csv files with the sensor positions for each profile from GPS survey and the processed files with the definitive coordinates of the RX and TX electrodes in the UTM WGS84 coordinate system. The conversion table txt files are also derived: these are used to translate the "dummy" coordinates of the raw datasets to the real positions.</li> </ul> <p><strong>Acknowledgments</strong></p> <p>This work is part of the PNRA 2018/D3.01 SENECA project and was financially supported by CNR (PNRA 2018 n° 00253 linea D, prot.73633/2019, SENECA PROJECT: Source and origin of greenhouses gases in Antarctica). All the data were collected during the XXXV Italian expedition in Antarctica, we thank PNRA and UTA ENEA for the logistic support. SENECA is a joint project of<br>international cooperation between Italy, New Zealand and Norway. We thank the Antarctica New Zealand for the scientific, logistical and technical support and the Scott Base personnel for hosting our research team. We acknowledge the support of the Research Council of Norway (NFR) through the HOTMUD project number 288299 and its Centres of Excellence funding scheme, project<br>number 223272 (CEED). </p> <p><strong>Credits</strong></p> <ul> <li>Jacob Anderson: data acquisition, data interpretation</li> <li>Massimiliano Ascani: data acquisition</li> <li>Bob Dagg: data acquisition</li> <li>Federico Fischanger: survey design, data processing and interpretation</li> <li>Richard Hardie: data acquisition</li> <li>Matteo Lupi: conceptual developement, data interpretation</li> <li>Adriano Mazzini: data acquisition</li> <li>Claudio Mazzoli: data acquisition</li> <li>Valentina Romano: survey design, data collection, data processing and interpretation</li> <li>Livio Ruggiero: principal Investigator of the SENECA project.</li> <li>Alessandra Sciarra: data collection</li> <li>Maria Chiara Tartarello: data collection </li> <li>Gary Wilson: data collection, data interpretation</li> <li>Rachel Worthington: data collection </li> </ul> <p> </p> <p><strong>References:</strong></p> <p>Fountain, A.G., Fernandez-Diaz, J.C., Obryk, M., Levy, J., Gooseff, M., Van Horn, D.J., Morin, P., & Shrestha, R., (2017), High resolution elevation mapping of the McMurdo Dry Valleys, Antarctica, and surrounding regions, Earth Syst. Sci. Data, 9, 435-443.</p>
Linked collectors and determiners for: Checklist of pioneer benthic taxa found on Autonomous Reef Monitoring Structures (ARMS) in Terra Nova Bay (Ross Sea, Antarctica).
Natural history specimen data linked to collectors and determiners held within, "Checklist of pioneer benthic taxa found on Autonomous Reef Monitoring Structures (ARMS) in Terra Nova Bay (Ross Sea, Antarctica)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/f024a3d3-7bb2-4985-be57-d890936769ff">https://bionomia.net/dataset/f024a3d3-7bb2-4985-be57-d890936769ff</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/f024a3d3-7bb2-4985-be57-d890936769ff">https://gbif.org/dataset/f024a3d3-7bb2-4985-be57-d890936769ff</a>. Formatted as a Frictionless Data package.
Fig. 5 in Early evolution of Coriariaceae (Cucurbitales) in light of a new early Campanian (ca. 82 Mya) pollen record from Antarctica
Fig. 5. Fossil and extant representatives of Coriariaceae observed with light microscopy. A, B, D, E, G & H, Pollen of Coriaripites goodii sp. nov. from the late Cretaceous of Antarctica (blue frames). A & B, Pollen on slide BA-Pal. ex CIRGEO Palin 611b: C54-1; D & E, Pollen on slide BA-Pal. ex CIRGEO Palin 963b: R31-1; G & H, Pollen on slide BA-Pal. ex CIRGEO Palin 698b: E30-2. All grains in polar view. A & B, Note the well-defined fastigium and short colpi with pointed ends (arrowheads); D & E, Note stratified thin exine and short colpi (arrowheads); G & H, Pollen with four apertures; note clearly defined fastigium and very short colpi (arrowheads). C, F & I, Pollen of extant species for comparison (magenta frames). C, Extant Coriaria plumosa; F, Extant Coriaria ruscifolia; I, Extant Coriaria myrtifolia, pollen with four apertures and clearly defined fastigium (arrowhead). — Scale bars = 5 μm.
Fig. 3 in Early evolution of Coriariaceae (Cucurbitales) in light of a new early Campanian (ca. 82 Mya) pollen record from Antarctica
Fig. 3. Chronogram for Coriariaceae inferred from the concatenated ML alignment. The stars indicate a constraint based on the early Campanian (82 Mya) pollen described in this study and another based on the Oligocene flowering branch shown in Fig. 2B, which has been dated to 23 to 33.9 Mya. We here set this constraint to 33 Mya An alternative chronogram in which we set the same fossil to 23 Mya is shown in suppl. Fig. S2. We used a relaxed clock model; the permitted age ranges around the two fossil constraints are described in Materials and Methods and symbolized by the curves above the asterisks. Accessions in blue are from Australasia, in red from America, in purple from Eurasia, and in yellow from Eastern Asia. NI stands for North Island and SI for South Island. Error bars around age estimates are shown in suppl. Fig. S1.
Supplementary material 1 from: Mackenzie M, O'Loughlin PM, Griffiths H, Van de Putte A (2021) Sea cucumbers (Echinodermata, Holothuroidea) from the JR275 expedition to the eastern Weddell Sea, Antarctica. ZooKeys 1054: 155-172. https://doi.org/10.3897/zookeys.1054.59584
Table S1
F in Description and ecology of a spongicolous lysianassoid amphipod (Crustacea) from Antarctica
F. 2. Pseudokoroga spongiophila n. sp. Holotype female, 5.4 mm. Scale bars: 100 mm.
F in Description and ecology of a spongicolous lysianassoid amphipod (Crustacea) from Antarctica
F. 4. Pseudokoroga spongiophila n. sp. Holotype female, 5.4 mm. Scale bars: 100 mm.
F in Description and ecology of a spongicolous lysianassoid amphipod (Crustacea) from Antarctica
F. 3. Pseudokoroga spongiophila n. sp. Holotype female, 5.4 mm. Scale bars: 100 mm.
Figure 15 in Osteology of Cryolophosaurus ellioti (Dinosauria: Theropoda) from the Early Jurassic of Antarctica and implications for early theropod evolution
Figure 15. Left ilium, pubis and ischium of Cryolophosaurus ellioti in lateral (A) aspect, and left and right ischia of Cryolophosaurus ellioti in medial (B), posterior (C) and anterior (D) aspects.
Figure 14 in Osteology of Cryolophosaurus ellioti (Dinosauria: Theropoda) from the Early Jurassic of Antarctica and implications for early theropod evolution
Figure 14. Proximal and distal left humerus of Cryolophosaurus ellioti in posterior (A, C) and anterior (B, D) aspects. Proximal right ulna of Cryolophosaurus ellioti in medial (E) and lateral (F) aspects. Proximal right radius of Cryolophosaurus ellioti in medial (G) and lateral (H) aspects.
Figure 16 in Osteology of Cryolophosaurus ellioti (Dinosauria: Theropoda) from the Early Jurassic of Antarctica and implications for early theropod evolution
Figure 16. Proximal right femur of Cryolophosaurus ellioti in anterior (A) and posterior (B) aspects. Left femur of Cryolophosaurus ellioti in proximal (C) and distal (D) aspects. Anterior is to the right in Figure 15C, and toward the bottom in Figure 15D.
Figure 7 from: Han Y-D, Mironov SV, Kim J-H, Min G-S (2021) Feather mites (Acariformes, Astigmata) from marine birds of the Barton Peninsula (King George Island, Antarctica), with descriptions of two new species. ZooKeys 1061: 109-130. https://doi.org/10.3897/zookeys.1061.71212
Figure 7 Ingrassia chionis sp. nov., legs A tibia and tarsus I of male B tibia and tarsus II of male C tibia and tarsus III of male D tibia and tarsus IV of male E tibia and tarsus III of female F tibia and tarsus IV of female.
Figure 4 from: Han Y-D, Mironov SV, Kim J-H, Min G-S (2021) Feather mites (Acariformes, Astigmata) from marine birds of the Barton Peninsula (King George Island, Antarctica), with descriptions of two new species. ZooKeys 1061: 109-130. https://doi.org/10.3897/zookeys.1061.71212
Figure 4 Alloptes species A–CAlloptes (Sternalloptes) antarcticus sp. nov. D–FA. (S.) catharactiA, D prodorsal shield of males B, E humeral shield of males C, F opisthosomal lobes of females.
Figure 3 from: Han Y-D, Mironov SV, Kim J-H, Min G-S (2021) Feather mites (Acariformes, Astigmata) from marine birds of the Barton Peninsula (King George Island, Antarctica), with descriptions of two new species. ZooKeys 1061: 109-130. https://doi.org/10.3897/zookeys.1061.71212
Figure 3 Alloptes (Sternalloptes) antarcticus sp. nov., details A opisthosoma of male, dorsal view B leg I of male C leg II of male D leg III of male E leg IV of male F leg III of female G leg IV of female.
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.