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61 results for “submarine canyon”
Indicative distribution map for Ecosystem Functional Group M3.2 Submarine canyons
<p>This archive contains indicative distribution maps and profiles for <strong>M3.2 Submarine canyons</strong>, a ecosystem functional group (EFG, level 3) of the <a href="https://global-ecosystems.org/">IUCN Global Ecosystem Typology</a> (v2.0). Please refer to Keith <em>et al.</em> (2020) for details.</p> <p>The descriptive profiles provide brief summaries of key ecological traits and processes, maps are indicative of global distribution patterns, and are not intended to represent fine-scale patterns. The maps show areas of the world containing major (value of 1, coloured red) or minor occurrences (value of 2, coloured yellow) of each ecosystem functional group. Minor occurrences are areas where an ecosystem functional group is scattered in patches within matrices of other ecosystem functional groups or where they occur in substantial areas, but only within a segment of a larger region. Given bounds of resolution and accuracy of source data, the maps should be used to query which EFG are likely to occur within areas, rather than which occur at particular point locations. Detailed methods and references for the maps are included in the profile (xml format).</p>
Fig. 8 in Umbellula pomona sp. nov., a new sea pen from Mar del Plata Submarine Canyon (Cnidaria: Octocorallia: Pennatulacea)
Fig. 8. General aspect of the unique specimen of a juvenile-like paratype of Umbellula pomona Risaro, Williams & Lauretta sp. nov. (MACN-IN 42609, paratype C). Abbreviations: CP = central polyp; LP = lateral polyp; R = rachis; PD = peduncle; T = tentacles.
Fig. 7 in Umbellula pomona sp. nov., a new sea pen from Mar del Plata Submarine Canyon (Cnidaria: Octocorallia: Pennatulacea)
Fig. 7. Variability of sizes and ornamentations of the pinnules' sclerites of the holotype of Umbellula pomona Risaro, Williams & Lauretta sp. nov. (MACN-IN 42608).
Fig. 2. A in Umbellula pomona sp. nov., a new sea pen from Mar del Plata Submarine Canyon (Cnidaria: Octocorallia: Pennatulacea)
Fig. 2. A. General aspect of Umbellula pomona Risaro, Williams & Lauretta sp. nov. A. Holotype (MACN-IN 42608). B. Detail of the terminal cluster of paratype A (MACN-IN 42609), showing three autozooids that form the terminal cluster and amplifications of sclerites (up) and siphonozooids (down). Abbreviations: CP = central polyp; LP = lateral polyp; Pd = peduncle; R = rachis; T = tentacle; S = siphonozooids; Scl = sclerites.
Figure 4 in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 4. Ophelina margaleffi sp. nov. A, general view. B, lateral view of anterior region. C, mid-region parapodia showing cirriform branchiae and ciliary bands. D, lateral organ observed in the middle of every parapodial lobe (from left to right dorsoventral orientation). E, hirsute capillary chaetae. F, pygidium with six subequal papillae. Scale bars: A, 1 mm; B, C, 100 Mm; F, 50 Mm; E, 10 Mm; and D, 5 Mm.
Figure 3 in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 3. Paradoneis hirsuta sp. nov. A, general view. B, dorsal view of the branchiate region. C, dorsal view of mid-region parapodia. D, long capillary chaetae of both rami of parapodia. E, lyrate chaeta of posterior parapodia. F, pygidium, with three cirri and ciliated dorsal rounded organ. Scale bars: A, 1 mm; D, 500 Mm; B, 300 Mm; C and F, 100 Mm; and E, 10 Mm.
Figure 2 in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 2. Aricidea (Allia) longisetosa sp. nov. A, general view. B, dorsal view of the anterior region. C, mid-region parapodia with long capillary chaetae. D, fascicle of capillary chaetae and modified neurochaetae in medium parapodia. E, detail of modified posterior-region neurochaeta. F, group of branchiae showing cilia. Scale bars: A, 1 mm; B, C, and F, 200 Mm; D, 20 Mm; and E, 10 Mm.
Figure 7 in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 7. Exogone (Parexogone) canyonincolae sp. nov. A, general view. B, dorsal view of the prostomium and the first chaetigers. C, posterior chaetigers showing smooth natatory chaetae. D, mid-region parapodia showing the simple dorsal chaeta and the compound chaetae: one with a spiniger-like blade, and the rest with shorter blades. E, end of the dorsal simple chaeta. F, compound chaetae of mid-region parapodia. Scale bars: A, B, 50 Mm; C, D, 30 Mm; F, 5 Mm; and E, 3 Mm.
Figure 6. Pelagobia longicirrata. A in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 6. Pelagobia longicirrata. A, prostomium with two pairs of antennae. B, gland formations at the anterior of the prostomium. C, detail of B, showing glands and holes with cilia-like structures. D, lateral view of the nuchal organs, including the first chaetiger, where the simple chaeta position is observed (arrow). E, reticulate field of pits with cilia at the nuchal organ. F, view of reticulate area with the extensible cilia-like structure. Scale bars: A, D, 100 Mm; B, 20 Mm; C, F, 5 Mm; and E, 3 Mm.
Figure 5. Pelagobia longicirrata. A, general view. B in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 5. Pelagobia longicirrata. A, general view. B, lateral view of anterior region. C, uniramous group of parapodia showing long dorsal and ventral cirri, and shorter simple chaeta in the anterior region. D, fascicle of heterogomph chaetae showing unidentate tip in the inset. E, pygidium. F, internal jaw. Scale bars: A, 500 Mm; B, 300 Mm; C, 200 Mm; E, 100 Mm; and D, F, 50 Mm (inset D, 3 Mm).
Figure 1 in Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons
Figure 1. Map of the area studied, showing the location of the mooring line sites (black squares). Site A, Planier submarine canyon (traps 1, 2 and 3-vicinity). Site B, Lacaze-Duthiers submarine canyon (traps 5, 6, and 7-vicinity). Site C, Foix submarine canyon (traps 8-vicinity, 9, and 10).
Fig. 1 in Leviapseudes tethys (Tanaidacea: Apseudidae), a new species from a submarine canyon of the French Mediterranean Sea, with remarks and a diagnosis for the genus
Fig. 1. Bathymetric map showing the sampling sites inside the Lacaze-Duthiers Canyon in the Mediterranean Sea. Labels indicate the depth of the bathymetric lines.
Fig. 4 in Leviapseudes tethys (Tanaidacea: Apseudidae), a new species from a submarine canyon of the French Mediterranean Sea, with remarks and a diagnosis for the genus
Fig. 4. Leviapseudes tethys sp. nov. A–C, E. Paratype, ♂ (MNHN-IU-2016-3390). D, F. Holotype, ♂ (MNHN-IU-2016-3391). A. Cheliped, right. B. Pereopod 1, right. C. Pereopod 1, left, proximal part of basis. D. Pereopod 2, left. E. Pereopod 3, right. F. Pleopod 2. Scale bars = 0.5 mm.
Fig. 2 in Leviapseudes tethys (Tanaidacea: Apseudidae), a new species from a submarine canyon of the French Mediterranean Sea, with remarks and a diagnosis for the genus
Fig. 2. Leviapseudes tethys sp. nov. A. Holotype, ♂ (MNHN-IU-2016-3391), dorsal view. B–D. Paratype, ♂ (MNHN-IU-2016-3390). B. Dorsal view. C. Antennule. D. Antenna. Scale bars = 0.5 mm.
Fig. 3 in Leviapseudes tethys (Tanaidacea: Apseudidae), a new species from a submarine canyon of the French Mediterranean Sea, with remarks and a diagnosis for the genus
Fig. 3. Leviapseudes tethys sp. nov. Paratype, ♂ (MNHN-IU-2016-3390). A. Mandibular palp, right. B. Mandible, left. C. Maxilliped. D. Maxilliped endite, left, with close-up of distal part. E. Maxilliped endite, right. F. Labium, left. G. Molar process distal part. H. Maxillule. I. Maxillule endite. J. Maxilla. K. Labrum. Scale bars = 0.1 mm.
Data from: Flood-driven turbidite deposition in a highstand-detached submarine canyon
Open the record for dataset details and reuse information.
FIGURE 1 in The hydroid and medusa of Amphinema rollinsi (Cnidaria: Hydrozoa), a new species of pandeid from the Monterey Bay Submarine Canyon, USA
FIGURE 1. Hydroid of Amphinema rollinsi, sp. n.: A. Upright hydrocaulus. B. Mature hydranth. C. Medusa bud nearly ready for release. Scale bar A = 5mm. Scale bars B and C = 500µm.
FIGURE 2 in The hydroid and medusa of Amphinema rollinsi (Cnidaria: Hydrozoa), a new species of pandeid from the Monterey Bay Submarine Canyon, USA
FIGURE 2. Medusae of Amphinema rollinsi, sp. n. A. Newly released medusa. B. Mature female medusa. Scale bars = 1mm.
FIGURE 4 in Gobiesox lanceolatus, a new species of clingfish (Teleostei: Gobiesocidae) from Los Frailes submarine canyon, Gulf of California, Mexico
FIGURE 4. Map of the Gulf of California indicating the approximate location of Bahia Los Frailes, shown in the inset. Courtesy of Google Earth.
FIGURE 3 in Gobiesox lanceolatus, a new species of clingfish (Teleostei: Gobiesocidae) from Los Frailes submarine canyon, Gulf of California, Mexico
FIGURE 3. Drawings of Gobiesox lanceolatus SIO 65-34, holotype, 39.8 mm SL, in dorsal (above) and lateral (below) view (artist unknown).
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