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18,820 results for “northing”
Adaptation to lower latitudes and lower elevations precedes the evolution of hummingbird pollination in western North American Penstemon
<p>Premise: A switch in pollinator can occur when a plant lineage enters a new habitat where the ancestral pollinator is less common and a novel pollinator is more common. Since pollinator communities vary according to environmental tolerances and availability of resources, there may be consistent associations between pollination mode and specific regions and habitats. Such associations can be studied in lineages that have experienced multiple pollinator transitions, representing evolutionary replicates.</p> <p>Methods: Our study focused on a large clade of Penstemon wildflower species in western North America that has repeatedly evolved hummingbird-adapted flowers from ancestral bee-adapted flowers. For each species, we estimated geographic ranges from occurrence data and inferred environmental niches from climate, topographical, and soil data. Using a phylogenetic comparative approach, we investigated whether hummingbird-adapted species occupy distinct geographic regions or habitats relative to beeadapted species.</p> <p>Results: Hummingbird-adapted species occur at lower latitudes and lower elevations than bee-adapted species, resulting in a difference in their environmental niche. Hummingbird-adapted species seem to evolve in lineages that previously adapted to lower latitudes and elevations, since bee-adapted species sister to hummingbird-adapted species also occur in these regions and habitats. Sister species pairs – regardless of whether they differ in pollinator – show relatively little geographic range overlap.</p> <p>Conclusions: Adaptation to a novel pollinator may often occur in geographic and ecological isolation from ancestral populations. The ability of a given lineage to adapt to novel pollinators may critically depend on its ability to colonize regions and habitats associated with novel pollinator communities.</p>
What Caused the 2020 Record-Breaking Summer Marine Heatwaves in the Western North Pacific?
<p>The numerical results of tropical oceans with SST anomalies in the summer of 2020. There are five files include one control file and four tropical ocean files. </p>
Figures 210–224 in Notes on Compsobuthus: redescription of C. arabicus Levy et al., 1973 from Arabia, and description of two new species from North Africa (Scorpiones: Buthidae)
Figures 210–224: Mitotic metaphases (210, 213, 216, 219, 222), male postpachytenes (211, 214, 217, 220, 223), and ideograms (212, 215, 218, 221, 224) (y axis: % of the diploid chromosome length, dark grey marks: chromosomes in multivalent association) of Compsobuthus species from Arabia and North Africa. Figure 210. Female of C. acutecarinatus (2n=22). Figures 211–212. Male of C. acutecarinatus (2n=22, 11II). Figures 213–215. Male of C. acutecarinatus (2n=22, 9II+CIV). Figures 216–218. Male of C. arabicus (2n=22, 9II+CIV). Figures 219–221. Male of C. maindroni (2n=22, 11II). Figures 222–224. Male of C. ullrichi sp. n. (2n=22, 9II+CIV). Arrows show chromosomes in multivalent association during postpachytene (214, 217, 223). Scale bar: 10 μm
Mixoplankton spatio-temporal diversity and its environmental drivers in the North Sea [Supplementary Material]
<p>Supplementary Material of the PhD [Mixoplankton spatio-temporal diversity and its environmental drivers in the North Sea [Supplementary Material]</p> <p> </p>
Multiproxy Reconstruction of Pliocene North Atlantic Sea Surface Temperatures and Implications for Rainfall in North Africa
<p>This dataset accompanies the publication by Wycech et al. "Multiproxy Reconstruction of Pliocene North Atlantic Sea Surface Temperatures and Implications for Rainfall in North Africa" in <em>Paleoceanography and Paleoclimatology</em>. The dataset is comprised of the raw paleo-proxy (Mg/Ca ratios and U<sup>k’</sup><sub>37</sub>) data and reconstructed sea surface temperatures (SSTs) from the early Pliocene (5 Ma) to modern. The provided data were input into the accompanying R codes, which executed principal component analysis and generated the results described in Wycech et al.</p>
Fig. 10 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 10. Canthocamptus waldemarschneideri sp. nov., ♂, Yuzshnoe Lake (KFU). A. P2 endopod, anterior view. B. P2 endopod, outer side. C. P3 endopod, anterior view. D. P3 endopod, inner side.
Fig. 11. A in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 11. A. Quartet puzzling tree of the genus Canthocamptus Westwood, 1836, constructed by the parsimony method based on the matrix from Supp. file 1. Dots mark the main changes in character states in studied branches. Changes in the characters are marked under the dot. B. Attheyella nordenskioldii (Lilljeborg, 1902), ♂, P2 endopod. Generic abbreviations: A. = Attheyella; B. = Bryocamptus; C. = Camptocamptus; E. = Elaphoidella; H. = Heteropsyllus; K. = Kikuchicamptus gen. nov.; M. = Mesochra.
Fig. 8 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 8. Canthocamptus waldemarschneideri sp. nov., allotype, ♂ (KFU BP 544/2). A. Antennule, dorsal view. B. Antennule, anterior view. C. P5.
Fig. 9 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 9. Canthocamptus waldemarschneideri sp. nov., allotype, ♂ (KFU BP 544/2). A. P2. B. P3; small seta indicated by arrowhead. C. P4.
Fig. 5 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 5. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Maxilla. B. P1. C. P5; setae of endopodal lobe are labeled with Roman numerals, seta V indicated by arrowhead.
Fig. 4 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 4. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Antennule. B. Antenna. C. MaXillule, without arthrite. D. MaXillule, arthrite.
Fig. 3 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 3. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Abdomen, dorsal view; setae of caudal ramus are labeled with Roman numerals. B. Abdomen, ventral view.
Fig. 1 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 1. Canthocamptus waldemarschneideri sp. nov. A. Paratype, ♀ (KFU BP 544/4); habitus, lateral view. B–D. Holotype, ♀ (KFU BP 544/1). B. Caudal setae IV and V. C. Labrum. D. Mandible.
Fig. 2 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 2. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Cephalothorax and thoracic somites, dorsal view. B. CephalothoraX and thoracic somites, lateral view. C. Maxilliped.
FIG. 14 in New material of Incadelphys antiquus (Pucadelphyda, Metatheria, Mammalia) from the early Palaeocene of Bolivia reveals phylogenetic affinities with enigmatic North and South American metatherians
FIG. 14. — Phylogenetic relationships of Incadelphys among other metatherians:strict consensus tree (Consistency index [CI] = 0.401; Retention index [RI] = 0.609) of the two shortest trees resulting from the analysis with downweighted homoplastic characters (with Goloboff k = 3); black number above nodes indicate the minimum and maximum numbers of synapomorphies. The name of clade designated as "SAMI" is a working term composed with the initials of the four genera it includes: Szalinia, Aenigmadelphys, Marmosopsis, and Incadelphys.
FIG. 12 in New material of Incadelphys antiquus (Pucadelphyda, Metatheria, Mammalia) from the early Palaeocene of Bolivia reveals phylogenetic affinities with enigmatic North and South American metatherians
FIG. 12. — Aenigmadelphys archeri, SEM photos of casts: A, left M3 (holotype, OMNH 23328) in occlusal view; B, right m3 (OMNH 20531)in occlusal view; C, the same in labial view; D, the same in lingual view. Scale bar: 1 mm.
FIG. 11 in New material of Incadelphys antiquus (Pucadelphyda, Metatheria, Mammalia) from the early Palaeocene of Bolivia reveals phylogenetic affinities with enigmatic North and South American metatherians
FIG. 11. — Occlusal view of the M1 of some basal metatherians discussed in text showing the distolabial extension of the metastylar lobe: A, Aenigmadelphys (OMNH 22898), SEM photo of cast; B, Incadelphys (YPFB Pal 6251), SEM photo of cast; C, Incadelphys (MHNC 13906); D, Marmosopsis (MNHN.F.ITB83). Scale bar: 1 mm.
FIG. 10 in New material of Incadelphys antiquus (Pucadelphyda, Metatheria, Mammalia) from the early Palaeocene of Bolivia reveals phylogenetic affinities with enigmatic North and South American metatherians
FIG. 10. — Incadelphys antiquus, MHNC 13906: A, lateral view of the right dentary; B, medial view of the right dentary; C, lateral view of the left dentary; D, medial view of the left dentary; E, ventral view of the left dentary. Scale bar: 5 mm.
FIG. 9 in New material of Incadelphys antiquus (Pucadelphyda, Metatheria, Mammalia) from the early Palaeocene of Bolivia reveals phylogenetic affinities with enigmatic North and South American metatherians
FIG. 9. — Incadelphys antiquus, MHNC 13906: B, right lateral view of the anterior skull. Scale bar: 5 mm.
FIG. 9 in New material of Incadelphys antiquus (Pucadelphyda, Metatheria, Mammalia) from the early Palaeocene of Bolivia reveals phylogenetic affinities with enigmatic North and South American metatherians
FIG. 9. — Incadelphys antiquus, MHNC 13906: A, left lateral view of the anterior skull. Scale bar: 5 mm.
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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.