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710 results for “seamount”
Fig. 1 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 1. Regions of 2009–2012 collections of the Coralliidae colonies in the Emperor Seamounts Chain. Star, Koko Seamount; cross, Kanmu Seamount; triangle, Colahan Seamount; circle, C-H Seamount.
Fig. 13 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 13. Pleurocorallium cf. pusillum, NSMT-Co 1727. Composition of sclerites from each part sampled.
Fig. 12 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 12. Pleurocorallium cf. pusillum, NSMT-Co 1727. Sclerites: from tentacles, autozooid mounds, branch tips and colony base. Scale bar: 0.05 mm.
Fig. 3 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 3. Pleurocorallium cf. pusillum, NSMT-Co 1717. A, Whole specimens; B, autozooid clusters; C, opposite-side surface. Scale bars: A, 50 mm; B, C, 5.0 mm.
Fig. 19 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 19. Hemicorallium cf. abyssale, NSMT-Co 1729. Sclerites: from tentacles, autozooid mounds, branch tips and colony base. Scale bar: 0.05 mm.
Fig. 33 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 33. Surface detail of Hemicorallium cf. regale, NSMT-Co 1733. Abbreviations: AZ, autozooid; SZ, siphonozooid. Scale bar: 1.0 mm.
Fig. 8 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 8. Pleurocorallium cf. pusillum, NSMT-Co 1717. Sclerites: from tentacles, autozooid mounds, branch tip and colony base. Scale bar: 0.05 mm.
Fig. 15 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 15. Hemicorallium cf. abyssale, NSMT-Co 1728. Sclerites: from tentacles, autozooid mounds, branch tips and colony base. Scale bar: 0.05 mm.
Fig. 10 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 10. Pleurocorallium cf. pusillum, NSMT-Co 1724. Sclerites: from tentacles, autozooid mounds, branch tips and colony base. Scale bar: 0.05 mm.
Fig. 5 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 5. Pleurocorallium cf. pusillum, NSMT-Co 1718. A, Burrow of a commensal polychaete; B, surface with coenenchyme and denuded axis. Scale bars: 1.0 mm.
Fig. 11 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 11. Pleurocorallium cf. pusillum, NSMT-Co 1724. Composition of sclerites from each part sampled.
Fig. 22 in A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species
Fig. 22. Surface detail of Hemicorallium laauense, NSMT-Co 1730. Abbreviations: AX, axis; SZ, siphonozooid; W, wart. Scale bar: 1.0 mm.
Fig. 1 in Identification of the Commercially Important Oreosomatid Fish (Zeiformes: Teleostei) of the Emperor Seamounts, with Comments on Diagnostic Characters of the Species
Fig. 1. Lateral view of oreosomatids. A, Allocyttus folletti from the Emperor Seamounts, SNFR 22402, 289.8 mm SL; B, Allocyttus verrucosus from New Zealand, NSMT-P 41168, 187.2 mm SL; caudal peduncle of A. folletti; C, SNFR 10560, 293.4 mm SL, Emperor Seamounts, and that of A. verrucosus; D, NSMT-P 41168, 187.2 mm SL, New Zealand; nasal of oreosomatids; E, A. folletti, SNFR 10561, 347 mm SL, Emperor Seamounts; F, A. verrucosus, NSMT-P 113107, 238.4 mm SL, west coast of Australia. Abbreviations: NA, nasal; PN, posterior nostril.
Fig. 3 in Identification of the Commercially Important Oreosomatid Fish (Zeiformes: Teleostei) of the Emperor Seamounts, with Comments on Diagnostic Characters of the Species
Fig. 3. Lateral aspect (above) and abdomen (below) of Allocyttus folletti. A, SNFR 10560, 293.4 mm SL, Emperor Seamounts; B, CAS-SU 15377, holotype of Allocyttus folletti, off California, traced from Myers (1960: fig. 1). Arrows indicate the rows of scutes.
Fig. 2 in Identification of the Commercially Important Oreosomatid Fish (Zeiformes: Teleostei) of the Emperor Seamounts, with Comments on Diagnostic Characters of the Species
Fig. 2. Scales on mid-side of body in, (A) Allocyttus folletti, FAKU 72575, 397 mm SL, Emperor Seamounts, and (B) Allocyttus verrucosus, NSMT-P 113107, 238.4 mm SL, Australia; enlarged scales of dorsal-fin base (S-DFB) in (C) A. folletti, SNFR 22403, 289.3 mm SL, Emperor Seamounts, and (D) A. verrucosus, BSKU 48476, 136.5 mm SL, off South Africa.
Terrain variables used for ensemble distribution modelling of vulnerable marine ecosystems indicator taxa on data-limited seamounts of Cabo Verde (NW Africa)
<p><em>Aim:</em> Seamounts are conspicuous geological features with an important ecological role and can be considered Vulnerable Marine Ecosystems (VMEs). Since many deep-sea regions remain largely unexplored, investigating the occurrence of VME taxa on seamounts is challenging. Our study aimed to predict the distribution of four cold-water coral (CWC) taxa, indicators for VMEs, in a region where occurrence data is scarce.</p> <p><em>Location: </em>Seamounts around the Cabo Verde Archipelago (NW Africa).</p> <p><em>Methods:</em> We used species presence-absence data obtained from Remotely Operated Vehicle (ROV) footage collected during two research expeditions. Terrain variables calculated using a multiscale approach from a 100 m resolution bathymetry grid, as well as physical oceanographical data from the VIKING20X model, at a native resolution of 1/20°, were used as environmental predictors. Two modelling techniques (Generalized Additive Model (GAM) and Random Forest (RF)) were employed and single-model predictions were combined into a final weighted-average ensemble model. Model performance was validated using different metrics through cross-validation.</p> <p><em>Results</em>: Terrain orientation, at broad-scale, presented one of the highest relative variable contributions to the distribution models of all CWC taxa, suggesting that hydrodynamic-topographic interactions on the seamounts could benefit CWCs by maximizing food supply. However, changes at finer scales in terrain morphology and bottom salinity were important for driving differences in the distribution of specific CWCs. The ensemble model predicted the presence of VME taxa on all seamounts and consistently achieved the highest performance metrics, outperforming individual models. Nonetheless, model extrapolation and uncertainty, measured as the coefficient of variation, were high, particularly, in least surveyed areas across seamounts, highlighting the need to collect more data in future surveys.</p> <p><em>Main conclusions:</em> Our study shows how data-poor areas may be assessed for the likelihood of VMEs and provides important information to guide future research in Cabo Verde, which is fundamental to advise ongoing conservation planning.</p>
Figure 6. A–F in Chrysopetalidae (Annelida: Phyllodocida) from the Senghor Seamount, north-east Atlantic: taxa with deep-sea affinities and morphological adaptations
Figure 6. A–F: Arichlidon gathofi, 7-segmented larva, Carolina, West Atlantic, USNM 186017. A, Entire larva, dorsal view; B, ventral view of A; C, notopodium segment IV; D, notopodium segment VI (figs A, C, after Watson Russell, 1987: Figs 28.4, 6: as 'new genus 1'). E, A. gathofi, adult, mid-body notopodium, detail median fascicle; F, mid-body neuropodium with epitokous swimming neurochaetae (figs E, F after Watson Russell, 2000: Figs 1D, 5A). Scalebars: A, 200µm; B, 350µm; C-E, 40 µm; F, 100µm.
Figure 5. A–F in Chrysopetalidae (Annelida: Phyllodocida) from the Senghor Seamount, north-east Atlantic: taxa with deep-sea affinities and morphological adaptations
Figure 5. A–F: Arichlidon reyssi 6-segmented larva, Arcachon, NE Atlantic, NTM 25385; A, D–F: slide preparations. A, Entire larva, dorsal view; B, anterior end, dorsal, left side detail (transitory chaetae drawn in part); C, anterior end, ventral view, left side detail; D, detail of anterior end of fig. 5A; E, notopodium segment IV; F, neuropodia segments IV and V. Scalebars: A, 50µm; B-C, 100µm; D-F, 10 µm.
Figure 4. A–B in Chrysopetalidae (Annelida: Phyllodocida) from the Senghor Seamount, north-east Atlantic: taxa with deep-sea affinities and morphological adaptations
Figure 4. A–B: Arichlidon reyssi, adult, Senghor Seamount, NMS.Z.2013.160.09, slide preparations. A, Anterior end; B, mid-body notopodium from anterior end. Scalebars: A, 100 µm; B, 50µm.
Figure 2. A–D in Chrysopetalidae (Annelida: Phyllodocida) from the Senghor Seamount, north-east Atlantic: taxa with deep-sea affinities and morphological adaptations
Figure 2. A–D: Thrausmatos senghorensis sp. nov., Senghor Seamount, SMF 22963. A, Anterior end, dorsal view, slide preparation; B, anterior end, dorsal view; C, mid-body parapodium, slide preparation; D, detail of superior-most neurochaeta (asterisked in fig. 2C). Scalebars: A-C, 100 µm; D, 10µm.
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.