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129 results for “benthic species”
FIGURE 10 in Benthic Ostracoda (Myodocopina, Philomedidae) of the East Sea (Sea of Japan), with description of a new species from the Korean Peninsula
FIGURE 10. Euphilomedes pseudosordidus new species (Male: A-D, PLKU 0.2401; E, IMB 2784). A, second antenna; B and C, endopodite of the second antenna; D, mandible; E, coxale endite and adjacent surface of the basal of mandible.
FIGURE 3 in Benthic Ostracoda (Myodocopina, Philomedidae) of the East Sea (Sea of Japan), with description of a new species from the Korean Peninsula
FIGURE 3. Euphilomedes pseudosordidus new species (Female: PLKU-0-2402). Details of the carapace exterior surface (scale bars: A=86mm, B=38mm).
FIGURE 4 in Benthic Ostracoda (Myodocopina, Philomedidae) of the East Sea (Sea of Japan), with description of a new species from the Korean Peninsula
FIGURE 4. Euphilomedes pseudosordidus new species (Female: A and B, IMB 2789; C, IMB 2791; D, IMB 2788; E, IMB 2787; G-I, IMB 2789; L and J, IMB 2785; K, IMB 2786). A, lateral view of the left valve; B-F, lateral view of the right valve; G, ventral view of the valves; H and I, inside view of the anterior part of left and right valves; J, Bellonci organ and medial eye; K, Bellonci organ and first antenna; L, endopodite of the second antenna.
FIGURE 6 in Elasmopus thalyae sp. nov. (Crustacea: Amphipoda: Maeridae), a new benthic species from soft and hard bottoms of Arcachon Bay (SE Bay of Biscay)
FIGURE 6. Elasmopus thalyae sp. nov., paratype, male, BL = 7.49 mm, MNHN-IU-2013-15779. A–C) outer view of right uropods 1–3; D) outer view of left epimeral plates 1–3; E) dorsal view of telson. Scale bars: A–C, E: 0.2 mm; D: 0.5 mm.
FIGURE 5 in Elasmopus thalyae sp. nov. (Crustacea: Amphipoda: Maeridae), a new benthic species from soft and hard bottoms of Arcachon Bay (SE Bay of Biscay)
FIGURE 5. Elasmopus thalyae sp. nov., paratype, male, BL = 7.49 mm, MNHN-IU-2013-15779. A–E) outer face of right pereopods 3–7 and corresponding coxae. Scale bars: 0.5 mm.
FIGURE 3 in Elasmopus thalyae sp. nov. (Crustacea: Amphipoda: Maeridae), a new benthic species from soft and hard bottoms of Arcachon Bay (SE Bay of Biscay)
FIGURE 3. Elasmopus thalyae sp. nov., paratype, male, BL = 7.49 mm, MNHN-IU-2013-15779. A) right mandible, posterior view; B) right maxilliped, anterior face; C) left maxilla 2, anterior face; D) left maxilla 1, anterior face; E) upper lip; F) lower lip, anterior face. Scale bars: 0.1 mm.
FIGURE 4 in Elasmopus thalyae sp. nov. (Crustacea: Amphipoda: Maeridae), a new benthic species from soft and hard bottoms of Arcachon Bay (SE Bay of Biscay)
FIGURE 4. Elasmopus thalyae sp. nov., paratype, male, BL = 7.49 mm, MNHN-IU-2013-15779. A) right gnathopod 1, outer face; B) right gnathopod 2, outer face; C) right gnathopod 2, detail of shelf. Additional material collected at station 'B13', used for SEM. D) male, BL = 9.45 mm, gnathopod 2 dactylus and propodus, inner face showing ornamentation of palm; E) female, BL = 7.73 mm, gnathopod 2 dactylus and propodus, inner face. Scale bars: A, B, D, E: 0.5 mm; C: 0.1 mm.
FIGURE 2 in Elasmopus thalyae sp. nov. (Crustacea: Amphipoda: Maeridae), a new benthic species from soft and hard bottoms of Arcachon Bay (SE Bay of Biscay)
FIGURE 2. Elasmopus thalyae sp. nov. A) holotype, male, BL = 9.45 mm, MNHN-IU-2013-15778, habitus in lateral view. B) paratype, male, BL = 7.49 mm, MNHN-IU-2013-15779, accessory flagellum. Scale bars: A: 1 mm; B: 0.1 mm.
FIGURE 10. Skogsbergiella species A in Benthic Ostracods of Skogsbergiella (Myodocopina: Cylindroleberididae) from the Southern Ocean
FIGURE 10. Skogsbergiella species A (Adult female—ZMH-K 41907). A, dorsal margin of basale on mandible; B, maxilla; C and E, comb of fifth limb; D, F, and H, anterior of sixth limb; G, sixth limb.
FIGURE 8. Skogsbergiella species A in Benthic Ostracods of Skogsbergiella (Myodocopina: Cylindroleberididae) from the Southern Ocean
FIGURE 8. Skogsbergiella species A (Adult female—ZMH-K 41907). A and B, lateral eyes; C, rod-shaped organ; D, rodshaped organ, lateral and medial eyes, and first antenna (terminal setae on first antenna not shown); E, distal half of first antenna (distal and terminal setae not shown); F, second antenna (without 2–9 exopodite segments); G, exopodite of second antenna (without setae on 3–9 segments); H and I, distal part of exopodite on second antenna (with and without setae); J, detail of second antenna.
FIGURE 9. Skogsbergiella species A in Benthic Ostracods of Skogsbergiella (Myodocopina: Cylindroleberididae) from the Southern Ocean
FIGURE 9. Skogsbergiella species A (Adult female—ZMH-K 41907). A, mandible (only main setae shown); B and D, dorsal margin of middle mandible; E and F, dorsal side of 2nd endopodite segment of mandible; G, distal part of mandible; H, basale endite and proximal part of basale on mandible; I, detail of basale endite and basale segment on mandible; J, detail of basale endite on mandible.
FIGURE 7. Skogsbergiella species A in Benthic Ostracods of Skogsbergiella (Myodocopina: Cylindroleberididae) from the Southern Ocean
FIGURE 7. Skogsbergiella species A (Adult female—ZMH-K 41907). A, right valve of carapace in lateral view; B, rostrum infold; C, posterior infold of left valve; D, pores and flap-like setae along posterior list.
FIGURE 1 in Amphora micrometra Giffen and Halamphora valdeminutissima sp. nov., two tiny benthic diatom species observed in the Black Sea
FIGURE 1. Maps showing the geographic position of the Black Sea (A), sampling locations (B) and sampling sites (C, D). Maps based on © d-maps.com (A, B) and © OpenStreetMap contributors (C, D), edited and arranged using Adobe Illustrator © and Adobe Photoshop ©.
FIGURES 2–21 in Amphora micrometra Giffen and Halamphora valdeminutissima sp. nov., two tiny benthic diatom species observed in the Black Sea
FIGURES 2–21. LM and SEM microphotographs of Halamphora valdeminutissima sp. nov. and Amphora micrometra. 2–10. LM valve views of Halamphora valdeminutissima sp. nov. from the type population (sample C3.1, fig. 6 shows an entire frustule). 11. LM valve view of Halamphora valdeminutissima sp. nov. from a population near Maslen nos Cape (sample M4.3). 12–15. Amphora micrometra, LM views of several valves from the Black Sea, sample M4.3 (Figs 12–14) and sample C3.1 (Fig. 15). 16–18. Halamphora valdeminutissima sp. nov., SEM external views of entire valves, all from the type population (sample C3.1, Fig. 18 represents the holotype specimen). Fig. 16: white arrow indicates the dorsal raphe ledge; black arrow points to the thickening near the central raphe endings. Fig. 17: white arrow indicates the dorsal marginal ridge and black arrow indicates the small semi-elliptic central area on the ventral side. Fig. 18: black arrow points the thickening ventrally to the central raphe endings. 19. Halamphora valdeminutissima sp. nov., SEM internal view (type population, sample C3.1). Black arrow indicates the fused central helictoglossae, and white arrow points to the raphe fissures termination onto a weakly developed helictoglossa. 20. Amphora micrometra, SEM external view of a single valve from the Black Sea (sample M4.3). White arrow indicates the narrow axial area. 21. Amphora micrometra, SEM internal view of a valve from the Black Sea (sample M4.3). White arrows indicate the portulae at each valve apex; grey arrow points the terminal fissures; black arrow shows the fused central helictoglossae. Scale bars: 10 µm (2–15), 1 µm (16–21).
FIGURE 6 in On some benthic hydroids from New Zealand deep waters, with the description of a new species
FIGURE 6. (a–d) Symplectoscyphus trabeculatus sp. nov.: a, internode with hydrotheca; b, fragment of stem showing hydrothecae and origin of branch; c, fragment of stem showing hydrothecae; d, gonotheca. Scale bar: 250 µm (all drawings from the holotype, NIWA 15839).
FIGURE 5 in On some benthic hydroids from New Zealand deep waters, with the description of a new species
FIGURE 5. (a–h) Symplectoscyphus trabeculatus sp. nov.: a, hydrotheca and origin of branch; b–e, hydrothecae (arrow in c pointing to band of desmocytes); f, gonotheca; g, distal part of gonotheca with detail of funnel; h, trabecular structure of gonothecal rings (arrow). Scale bar: 50 µm (h), 100 µm (e, g), 200 µm (a–d, f); (all photographs from the holotype, NIWA 15839).
FIGURE 4 in On some benthic hydroids from New Zealand deep waters, with the description of a new species
FIGURE 4. (a–b) Clytia gigantea (Hincks, 1866): a, hydrotheca; b, cusps of hydrothecal aperture. (c–d) Sertularella valdiviae Stechow, 1923: c, part of stem showing hydrotheca and incipient branch; d, hydrotheca. (e–h) Cryptolaria prima Busk, 1857: e, part of stem showing hydrothecal arrangement; f–g, hydrothecae; h, nematotheca. Scale bar: 100 µm (b, h), 200 µm (a, c−g).
FIGURE 2 in On some benthic hydroids from New Zealand deep waters, with the description of a new species
FIGURE 2. (a) Acryptolaria operculata Stepanjants, 1979: a, distal part of hydrotheca. (b–g) Hebella macroplana Watson, 2019: b, hydrotheca; c, distal part of hydrotheca; d, pedicel and basal part of hydrotheca; e, diaphragm (downward arrow) and ring of desmocytes (upward arrow); f, gonotheca (lateral view); g, gonotheca (frontal view). Scale bar: 50 µm (e), 200 µm (a−d, f–g).
FIGURE 3 in On some benthic hydroids from New Zealand deep waters, with the description of a new species
FIGURE 3. (a–d) Hebella macroplana Watson, 2019: a−b, hydrothecae; c, gonotheca (lateral view); d, gonotheca (frontal view). Scale bar: 250 µm (c–d), 500 µm (a–b).
Density-dependent effects of parasitism on the activity of a benthic engineer species: potential impact on ecosystem functioning
<p>While parasitism is a common lifestyle on Earth, its importance for the functioning of marine ecosystems has been overlooked for a long time. In particular, parasites have significant potential to influence central ecological processes through their impacts on hosts that serve as ecosystem engineers. Using an ex-situ experimental approach, we explored the effects of trematode parasites on the engineering bioturbation activity of a common and abundant bivalve along European Atlantic soft-bottom coastlines, the peppery furrow shell <em>Scrobicularia</em> <em>plana</em>, as well as knock-on effects for nutrient exchanges at the sediment-water interface. Trematodes negatively impacted the host's ability to transport sediment particles and solutes in a density-dependent way with parasite burden explaining 22–31% of the inter-individual variability. This could be explained by parasitism impairing the bivalve physiological state and ability to burrow as we observed a decrease in the condition index and the burrowing depth of the bivalves with an increase in the number of parasites they host. In contrast, the influence of <em>S. plana</em> on benthic biogeochemical fluxes did not vary significantly according to parasitic burden over a short time scale. Here, we focused on the effects of trematode parasites on the sole behaviour of <em>S. plana</em> and thus excluded other macrofaunal organisms. We should next test whether trematodes modulate the structure and functioning of benthic communities dominated by <em>S. plana</em> to better understand and quantify the engineering role of parasites in soft-bottom coastal environments.</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)
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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.