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119 results for “methane seep”
FIGURE 3 in A new species of Alvinocaris (Crustacea: Decapoda: Caridea: Alvinocarididae) from Costa Rican methane seeps
FIGURE 3. Alvinocaris costaricensis new species, holotype female, SIO-BIC C12202, Eastern Pacific Ocean, Costa Rica. A, eye and section of rostrum (above) and orbital spine (below); note minute dorsal tubercle on eye. B, antennal scale, right side, dorsal view. C, antennular peduncle, right side, dorsal view. D, telson and left uropods, dorsal view. E, extremity (approximately distal half) of telson. F, pereopod 1 (cheliped), right side, ventro-lateral view. G, pereopod 1, dorsal view. H, higher magnification of pereopod 1, dorsal inner view. I, second pereopod, right side, lateral view. J, pereopod 2 propodus and chela, outer view. K, pereopod 2 chela, inner view.
FIGURE 1. A in A new species of Alvinocaris (Crustacea: Decapoda: Caridea: Alvinocarididae) from Costa Rican methane seeps
FIGURE 1. A, Alvinocaris costaricensis new species, holotype female, SIO-BIC C12202, Eastern Pacific Ocean, Costa Rica, live color photograph. B, same species, paratype female, C11186.
FIGURE 11 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 11. Interference contrast micrographs of plaques from Lamellibrachia donwalshi sp. nov. holotype (SIO-BIC A8382). A–B vestimental plaques, indicated by arrows. C Trunk plaques, indicated by arrows. D 10µm transverse section through epidermis showing trunk plaques, indicated by arrows. Scale bars 35µm.
FIGURE 10 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 10. Micrographs of Lamellibrachia donwalshi sp. nov. male and female paratypes (SIO-BIC A1341). A Female dorsal anterior and vestimentum. B Male dorsal anterior and vestimentum. C Female vestimental grooves. D Male vestimental grooves. OB, obturaculum; SL, sheath lamellae; VF, vestimental fold; VG, vestimental groove. Scale bars, A–B=5mm; C– D=0.5mm.
FIGURE 9 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 9. Illustration of Lamellibrachia donwalshi sp. nov. (female), paratype (SIO-BIC A1341). A Ventral. B Dorsal. Scale bar represents ~5mm.
FIGURE 7 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 7. Micrographs of vestimental and trunk regions of Lamellibrachia donwalshi holotype (SIO-BIC A8382), male paratype (SIO-BIC A1341), and putative female paratype (SIO-BIC A1341). A 10 µm transverse section through anteriormiddle part of vestimentum, male paratype. B 10µm transverse section through anterior-middle part of vestimentum, female paratype. C 10µm transverse section through trunk, male paratype. D Light micrograph of additional spermatozeugmata dissected from male paratype. E Close-up of spermatozeugmata in 10µm transverse section through trunk, male paratype. F 10µm transverse section through crown, male paratype. VG, vestimental groove; DV, dorsal blood vessel; VV, ventral blood vessel; VN, ventral nerve cord (Worsaae et al. 2016); G, gland; SZ, spermatozeugmata; OB, obturaculum; OV, obturacular blood vessel; OC, coelom of obturacular blood vessel; BL, branchial lamellae; SL, sheath lamellae. Scale bars, A–C=1mm; D=100µm; E–F=1mm.
FIGURE 8 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 8. Illustration of Lamellibrachia donwalshi sp. nov. (male), holotype (SIO-BIC A8382). A Ventral. B Dorsal. Scale bar represents ~10mm.
FIGURE 6 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 6. In situ photograph and micrographs of live Lamellibrachia donwalshi sp. nov. A In situ photo of Lamellibrachia donwalshi sp. nov. holotype (SIO-BIC A8382) taken from the HOV Alvin, indicated by arrow. B Tubes (incomplete) of Lamellibrachia donwalshi sp. nov. paratypes (SIO-BIC A1341). C Holotype, ventro-lateral to dorsal, live. D Holotype, ventrolateral, live. E Holotype, left side, live. F Holotype, right side, post-preservation. G Holotype, dorsal, post-preservation. G Holotype, dorsal, post-preservation. Scale bars, B=5cm; C–F=10mm; G=1mm.
FIGURE 5 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 5. Haplotype networks from COI data for Lamellibrachia barhami sampled from Costa Rica margin to Vancouver: A Color-coded according to sampling locality. B Color-coded according to depth of sampling.
FIGURE 2 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 2. Lamellibrachia distribution in the Gulf of Mexico, Caribbean, and Costa Rica margin. Lamellibrachia barhami (grey circle), Lamellibrachia donwalshi sp. nov. (white star), Lamellibrachia luymesi (black star) Lamellibrachia sp. 1/cf. luymesi (white circle), Lamellibrachia sp. 2 (grey square). Detailed map of sampling at Costa Rica margin within white border: Jaco Scar (J), Quepos Seep (Q), Parrita Scar (P), Mounds 11/12 (M).
FIGURE 3 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 3. Maximum likelihood trees of the combined analysis from two mitochondrial genes (16S, COI) aligned with MAFFT and then concatenated, with three different rooting options: A Escarpia sp., B Ridgeia piscesae, C Riftia pachyptila. Bootstrap support percentages from Maximum Likelihood and Maximum Parsimony analyses (separated by slashes) are followed by Bayesian posterior probabilities. Support values of 95%/0.95 or greater for all analyses are indicated by stars. Nodes with support values less than 50%/0.5 or not recovered in one of the analyses are indicated by a hyphen.
FIGURE 1 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 1. Distribution of Lamellibrachia. Lamellibrachia anaximandri (white square), Lamellibrachia barhami (grey circle), Lamellibrachia columna (white hexagon), Lamellibrachia donwalshi sp. nov. (white star), Lamellibrachia juni (white triangle), Lamellibrachia luymesi (black star), Lamellibrachia sagami (grey triangle), Lamellibrachia satsuma (white circle), Lamellibrachia victori (grey diamond), unresolved Lamellibrachia species (black circles): L. sp. 1/cf. luymesi, L. sp. 2, L. sp. L4, L. sp. L5, L. sp. L6.
FIGURE 4 in A new Lamellibrachia species and confirmed range extension for Lamellibrachia barhami (Siboglinidae, Annelida) from Costa Rica methane seeps
FIGURE 4. Haplotype networks from COI data of Lamellibrachia sp. 2 (grey), Lamellibrachia anaximandri (white), and Lamellibrachia donwalshi sp. nov. (black).
FIGURE 3 in New records of Swiftia (Cnidaria, Anthozoa, Octocorallia) from off the Pacific Costa Rican margin, including a new species from methane seeps
FIGURE 3. Swiftia sahlingi sp. nov., MZUCR 2725 (holotype). (A–C) coenenchymal sclerites; (D) tentacular rods (optic micrographs).
FIGURE 2 in New records of Swiftia (Cnidaria, Anthozoa, Octocorallia) from off the Pacific Costa Rican margin, including a new species from methane seeps
FIGURE 2. Swiftia sahlingi sp. nov. (A) MZUCR 2725, holotype; (B–D) colonies in situ, at the type locality, Mound 12.
FIGURE 5 in New records of Swiftia (Cnidaria, Anthozoa, Octocorallia) from off the Pacific Costa Rican margin, including a new species from methane seeps
FIGURE 5. Swiftia phylogenetic analysis. Maximum likelihood tree of the combined analysis of COI and MutS. Numbers above nodes are bootstrap support percentages (BS) from RAxML, followed by Bayesian posterior probabilities (PP). Nodes with no numbers indicate support was less that 50% BS and 0.7 PP. A dash '-' indicates the node was not found in the Bayesian analysis.
FIGURE 1 in New records of Swiftia (Cnidaria, Anthozoa, Octocorallia) from off the Pacific Costa Rican margin, including a new species from methane seeps
FIGURE 1. Swiftia sahlingi sp. nov. MZUCR 2725, holotype; (A) entire colony; (B) detail of branches and polyp mounds; (C) MZUCR 2729, paratype, polyp detail; (D) Swiftia comauensis, polyp detail (photograph: Verene Häussermann).
FIGURE 4 in New records of Swiftia (Cnidaria, Anthozoa, Octocorallia) from off the Pacific Costa Rican margin, including a new species from methane seeps
FIGURE 4. Swiftia sahlingi sp. nov., MZUCR 2725 (holotype) SEM micrographs. (A) spindles; (B) spindles and radiates; (C) plates; (D) points sclerites; (E) warty clubs; (F) polyp rods.
Figures in "Gulf Stream mesoscale variabilities drive bottom marine heatwaves in Northwest Atlantic continental margin methane seeps"
<p>Data and code for figures in "Gulf Stream mesoscale variabilities drive bottom marine heatwaves in Northwest Atlantic continental margin methane seeps".</p>
Sediment geochemistry, archaeal abundance and GDGT data from methane seep sediments offshore Southwest Taiwan
<p>Dataset for manuscript "Methane Index and TEX86 values in cold seep sediments: implications for paleo-environmental reconstructions" currently under review in Geochimica et Cosmochimica Acta. Parameters include methane gas concentration, sulfate concentration, total organic carbon, dissolved inorganic carbon, stable carbon isotopes of total organic and dissolved inorganic carbon, the abundances of archaea and ANME-1, glycerol dialkyl glycerol tetraethers (GDGTs) and their associated indices including the Methane Index, Branched Isoprenoid Index, Ring Index and TEX86. ANME1_gdgt_calculation datasheet shows the calculations based on which the ANME-1 GDGT relative distribution was inferred. Datasheets Flux Dive1, Flux Dive3 and Flux MD10-3280 contain the calculations of sulfate and dissolved inorganic carbon fluxes.</p>
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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