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1,337 results for “antarctica”
FIGURE 5 in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 5. Diphascon sanae (slide No. 4524). A, Bucco-pharyngeal apparatus. B, Claws of the second and third pair of legs. C, Claws of the hind legs. The light-refracting basal unit of the primary branches, reported in the description of the species, is clearly visible in the external claws. Scale bars = 10 µm.
FIGURE 8 in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 8. Milnesium asiaticum (paratype, slide No. 5105). A, Bucco-pharyngeal apparatus. B, Claws of the third pair of legs. C, Claws of the hind legs. Scale bars = 10 µm.
FIGURE 5 in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 5. Diphascon sanae (slide No. 4524). A, Bucco-pharyngeal apparatus. B, Claws of the second and third pair of legs. C, Claws of the hind legs. The light-refracting basal unit of the primary branches, reported in the description of the species, is clearly visible in the external claws. Scale bars = 10 µm.
FIGURE 4. Mixibius saracenus. A in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 4. Mixibius saracenus. A, Bucco-pharyngeal apparatus of holotype (slide No. 1701). B, Claws of the first and second pair of legs (slide No. 4099). C, Claws of the hind legs (slide No. 4099). Scale bars = 10 µm.
FIGURE 2. Acutuncus antarcticus. A, B in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 2. Acutuncus antarcticus. A, B: Bucco-pharyngeal apparatus (slide No. 5779); the peculiar shape (characteristic of the genus) of the apophyses for the insertion of the stylet muscles (arrows) is evident. C, Claws of the third pair of legs (slide No. 5779). D, Claws of the hind legs (slide No. 5774). Scale bars = 10 µm.
FIGURE 3. A – C in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 3. A – C, Holotype of Mixibius fueginus (slide No. 4335): A, Bucco-pharyngeal apparatus. B, Claws of the third pair of legs. C, Claws of the hind legs. Scale bars = 10 µm.
FIGURE 1 in Two new species of Eutardigrada from Victoria Land, Antarctica
FIGURE 1. Mixibius felix. sp. nov. A, Bucco-pharyngeal apparatus of the holotype (slide No. 4535). B, Bucco-pharyngeal apparatus of a paratype (slide No. 4539) in lateral view: the hook-shaped apophyses for the insertion of the stylet muscles are visible (the ventral indicated by arrow " a ", the dorsal by arrow " b "), both followed by a thickening of the buccal tube wall. C, Claws of the second pair of legs of a paratype (slide No. 4540); an accessory point of the external claw (arrow) is visible. D, Claws of the hind legs of a paratype (slide No. 4531). Scale bars = 10 µm.
FIGURE 5 in Epimeria cleo sp. nov., a new crested amphipod from the Ross Sea, Antarctica, with notes on its phylogenetic affinities (Crustacea, Amphipoda, Eusiroidea, Epimeriidae)
FIGURE 5. Epimeria cleo sp. nov. Holotype 34.5 mm, MNA4450. A, right pleopod 1; B, left uropod 1; C, left uropod 2; D, right uropod 3; E, telson.
FIGURE 2 in Epimeria cleo sp. nov., a new crested amphipod from the Ross Sea, Antarctica, with notes on its phylogenetic affinities (Crustacea, Amphipoda, Eusiroidea, Epimeriidae)
FIGURE 2. Epimeria cleo sp. nov. Holotype 34.5 mm, MNA4450. A, right antenna 1; B, peduncle of antenna 1; 1a, distolateral tooth on peduncle article 1; 1b, distomedial tooth on peduncle article 1; 1c, major ventral tooth on peduncle article 1; 1d, medioventral tooth on peduncle article 1; 2a, distolateral tooth on peduncle article 2; 2b, distomedial tooth on peduncle article 2; 2c–d, ventral teeth on peduncle article 3; C, antenna 2.
FIGURE 1 in Epimeria cleo sp. nov., a new crested amphipod from the Ross Sea, Antarctica, with notes on its phylogenetic affinities (Crustacea, Amphipoda, Eusiroidea, Epimeriidae)
FIGURE 1. Epimeria cleo sp. nov. A, C, Holotype, 34.5 mm, MNA4450; B, Paratype 5, 47 mm, MNA8688; A, lateral habitus; B, dorsal process of urosomite 2; C, dorsal habitus.
FIGURE 4 in Epimeria cleo sp. nov., a new crested amphipod from the Ross Sea, Antarctica, with notes on its phylogenetic affinities (Crustacea, Amphipoda, Eusiroidea, Epimeriidae)
FIGURE 4. Epimeria cleo sp. nov. Holotype 34.5 mm, MNA4450. A, right gnathopod 1; B, palm of right gnathopod 1; C, right coxa 1; D, right gnathopod 2; E, palm of right gnathopod 2; F, right coxa 2; G, right pereopod 3; H, right coxa 3; I, right pereopod 4; J, right pereopod 5; K, left pereopod 6, L, right pereopod 7.
FIGURE 3 in Epimeria cleo sp. nov., a new crested amphipod from the Ross Sea, Antarctica, with notes on its phylogenetic affinities (Crustacea, Amphipoda, Eusiroidea, Epimeriidae)
FIGURE 3. Epimeria cleo sp. nov. Holotype 34.5 mm, MNA4450. A, labrum; B, hypopharynx; C, left mandible; C', lacinia mobilis in lateral view; D, right maxilla 1; E, left maxilla 2; F, maxilliped.
FIGURE 6 in Epimeria cleo sp. nov., a new crested amphipod from the Ross Sea, Antarctica, with notes on its phylogenetic affinities (Crustacea, Amphipoda, Eusiroidea, Epimeriidae)
FIGURE 6. Bayesian tree of the macrodonta complex reconstructed with 28S rDNA fragments. Posterior probabilities are indicated above the nodes. MOTUs names (putative species) from Verheye et al. (2016) are indicated besides the names.
Figure 2 in No sex-related dispersal limitation in a dioecious, oceanic long-distance traveller: the bull kelp Durvillaea antarctica
Figure 2: Durvillaea antarctica: frequency of holdfasts with different numbers of stipes, and with only vegetative stipes, only male stipes, only female stipes, and both sexes within one holdfast. Samples collected at (A) 33 beaches on the coast of Chile between 28°S and 42°S (n=1044 stranded holdfasts during the winters 2013, 2014 and 2015), and (B) two sites near the northern distribution limit of D. antarctica (n =56 holdfasts from Puerto Oscuro and n=62 holdfasts from Totoralillo Sur).
Figure 5 in No sex-related dispersal limitation in a dioecious, oceanic long-distance traveller: the bull kelp Durvillaea antarctica
Figure 5: Durvillaea antarctica: average (mean±SD) concentration (% dry wt) of phlorotannins in blade samples of different sexual stage and locality, Puerto Oscuro and Totoralillo Sur. Different letters above the columns indicate differences between sexual stages significant at p =0.05. Numbers of stipes from each site and sexual stage are listed at the bottom of each column.
Figure 1 in No sex-related dispersal limitation in a dioecious, oceanic long-distance traveller: the bull kelp Durvillaea antarctica
Figure 1: Study area and spatial distribution of the stranded and benthic D. antarctica in central Chile. PTOS, Puerto Oscuro; TOT, Totoralillo Sur.
Figure 4 in No sex-related dispersal limitation in a dioecious, oceanic long-distance traveller: the bull kelp Durvillaea antarctica
Figure 4: Durvillaea antarctica: average (mean±SD) concentration (mg/g wet wt) of pigments in blade samples of different sexual stage and locality, Puerto Oscuro and Totoralillo Sur. Different letters above the columns indicate differences between sexual stages significant at p =0.05. Numbers of stipes from each site and sexual stage are listed at the bottom of each column.
Figure 3 in No sex-related dispersal limitation in a dioecious, oceanic long-distance traveller: the bull kelp Durvillaea antarctica
Figure 3: Durvillaea antarctica: average (mean±SD) colour values of algal samples of different sexual stages and from two localities, Puerto Oscuro and Totoralillo Sur. Different letters above the columns indicate differences between sexual stages significant at p=0.05. Numbers of stipes from each site and sexual stage are listed at the bottom of each column.
Daily, monthly and annual data from A decade (2008-2017) of water stable-isotope composition of precipitation at Concordia Station, East Antarctica
<p><span>A ten-year record of oxygen and hydrogen isotopic composition of precipitation is here presented: from 2008 to 2017, 1483 daily precipitation samples were collected all-year round on a raised platform at Concordia Station, East Antarctica.</span></p> <p><span>The dataset is discussed in the following pubblication:</span></p> <p><span>Dreossi, G., Masiol, M., Stenni, B., Zannoni, D., Scarchilli, C., Ciardini, V., Casado, M., Landais, A., Werner, M., Cauquoin, A., Casasanta, G., Del Guasta, M., Posocco, V., and Barbante, C.: A decade (2008–2017) of water stable-isotope composition of precipitation at Concordia Station, East Antarctica, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2023-2813, 2023.</span></p> <p><span>The dataset includes 3 main datasheets:</span></p> <p><span>1. DAILY data with date, daily dataset for isotopes (δ<sup>18</sup>O, δ<sup>2</sup>H, d-excess), starting and ending date and hour, temperature and RH from the AWS (aws.temp and aws.RH, respectively) and the ERA5 temperature and total precipitation (era5.t2m and era5.tp, respectively);</span></p> <p><span>2. MONTHLY data with months, monthly averages for isotopes (δ<sup>18</sup>O, δ<sup>2</sup>H, d-excess), monthly averages for isotopes weighted for AWS temperature (δ<sup>18</sup>O.aws.temp, δ<sup>2</sup>H.aws.temp, d-excess.aws.temp), monthly averages for isotopes weighted for ERA5 total precipitation (δ<sup>18</sup>O.era5.tp, δ<sup>2</sup>H.era5.tp, d-excess.era5.tp), monthly averages for air temperature and RH from the AWS (aws.temp and aws.RH, respectively) and the ERA5 temperature and total precipitation (era5.t2m and era5.tp, respectively);</span></p> <p><span>3. ANNUAL data with years, annual averages for isotopes (δ<sup>18</sup>O, δ<sup>2</sup>H, d-excess), annual averages for isotopes weighted for AWS temperature (δ<sup>18</sup>O.aws.temp, δ<sup>2</sup>H.aws.temp, d-excess.aws.temp), annual averages for isotopes weighted for ERA5 total precipitation (δ<sup>18</sup>O.era5.tp, δ<sup>2</sup>H.era5.tp, d-excess.era5.tp), annual averages for air temperature and RH from the AWS (aws.temp and aws.RH, respectively) and the ERA5 temperature and total precipitation (era5.t2m and era5.tp, respectively).</span></p>
Data and code for publication "The long-term sea-level commitment from Antarctica"
<p>Data and scripts for assessing the long-term sea-level commitment from Antarctica </p> <p>The data and scripts are relevant for the analysis and for reproducing figures and tables presented in the following publication: </p> <p>Klose A K, Coulon V, Pattyn F, Winkelmann R, 2024, The long-term sea-level commitment from Antarctica, The Cryosphere. </p>
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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.