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209 results for “Clarion-Clipperton Zone”
Bacterial and archaeal communities in the abyssal Clarion-Clipperton Zone: spatial synthesis results
<p>Datasets associated with a manuscript synthesizing previously published results and a new dataset on bacterial and archaeal community composition from the abyssal Clarion-Clipperton Zone, including communities from deep seawater, sediments, and polymetallic nodules.</p>
Linked collectors and determiners for: Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata.
Natural history specimen data linked to collectors and determiners held within, "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c1c0f96e-e26b-4146-a675-0837689a687c">https://bionomia.net/dataset/c1c0f96e-e26b-4146-a675-0837689a687c</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c1c0f96e-e26b-4146-a675-0837689a687c">https://gbif.org/dataset/c1c0f96e-e26b-4146-a675-0837689a687c</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata.
Natural history specimen data linked to collectors and determiners held within, "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Echinodermata". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/8f83518f-c8b1-431d-90b5-3655606eff36">https://bionomia.net/dataset/8f83518f-c8b1-431d-90b5-3655606eff36</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/8f83518f-c8b1-431d-90b5-3655606eff36">https://gbif.org/dataset/8f83518f-c8b1-431d-90b5-3655606eff36</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca.
Natural history specimen data linked to collectors and determiners held within, "Megafauna of the UKSRL exploration contract area and eastern Clarion-Clipperton Zone in the Pacific Ocean: Annelida, Arthropoda, Bryozoa, Chordata, Ctenophora, Mollusca". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480">https://bionomia.net/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480">https://gbif.org/dataset/5bf10f28-f0b1-40de-9df6-ac9d8ba22480</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Abyssal fauna of the UK-1 polymetallic nodule exploration area, Clarion-Clipperton Zone, central Pacific Ocean: Cnidaria.
Natural history specimen data linked to collectors and determiners held within, "Abyssal fauna of the UK-1 polymetallic nodule exploration area, Clarion-Clipperton Zone, central Pacific Ocean: Cnidaria". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db">https://bionomia.net/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db">https://gbif.org/dataset/44d7b5dd-7543-4b62-b816-393ce983e0db</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Abyssal fauna of the UK-1 polymetallic nodule exploration claim, Clarion-Clipperton Zone, central Pacific Ocean: Echinodermata.
Natural history specimen data linked to collectors and determiners held within, "Abyssal fauna of the UK-1 polymetallic nodule exploration claim, Clarion-Clipperton Zone, central Pacific Ocean: Echinodermata". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0751b002-8da2-436d-981f-a02ac44783bf">https://bionomia.net/dataset/0751b002-8da2-436d-981f-a02ac44783bf</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0751b002-8da2-436d-981f-a02ac44783bf">https://gbif.org/dataset/0751b002-8da2-436d-981f-a02ac44783bf</a>. Formatted as a Frictionless Data package.
Supplementary Video: An End-to-End DNA Taxonomy Methodology for Benthic Biodiversity Survey in the Clarion-Clipperton Zone, Central Pacific Abyss
<p>Supplementary video for the article "<em>An End-to-End DNA Taxonomy Methodology for Benthic Biodiversity Survey in the Clarion-Clipperton Zone, Central Pacific Abyss</em>".</p>
DeepCCZ cruise: western Clarion-Clipperton Zone CTD cast and bottle sample physicochemical datasets
<p>DeepCCZ was a cruise to the three western Areas of Particular Environmental Interest (APEIs) in the Clarion-Clipperton Zone of the North Pacific Gyre in May-June, 2018. The primary goal of this cruise was to assess overall biodiversity across as many trophic levels as feasible in these APEIs, both to provide baseline data before the potential start of mining activity in the region and to assist with assessments as to the representativity of the APEI network. A secondary goal was to contrast biodiversity associated with abyssal plains and neighboring seamounts in this region. This dataset contains water column biogeochemical data collected with a CTD package mounted on a sampling rosette, as well as bottle data from samples collected at sea and analyzed in on-shore laboratories.</p> <p>Bottle data, as well as cast locations and CTD results, are collected in the .xlsx file. Processed individual CTD cast results, in .cnv format, are also archived.</p> <p>Contact for questions about this dataset: Emma Wear, ekwear.oceans@gmail.com</p>
Bacterial and archaeal communities in the Clarion-Clipperton Zone: comparison between adjacent seamount and abyssal plain communities
<p>This dataset contrasts microbial communities from abyssal plain and seamount samples, collected on the DeepCCZ cruise to the western Clarion-Clipperton Zone in May-June 2018. This cruise sampled paired plain and seamount sites in three Areas of Particular Environmental Interest (APEIs). Samples included CTD casts to collect overlying water and sediment cores and polymetallic nodules (only present on the plains in two APEIs) collected using an ROV.</p> <p>Genomic DNA was extracted from these samples; 16S rRNA genes were amplified using primers targeting the V4-V5 hypervariable regions (as recommended by Parada et al. 2016 doi: 10.1111/1462-2920.13023); and sequenced used PE250v2 chemistry on an Illumina MiSeq. Sequences were quality-controlled, clustered into amplicon sequence variants (ASVs) using DADA2 (Callahan et al. 2016 doi: 10.1038/nmeth.3869), and classified using Silva v138 (Quast et al. 2013 doi: 10.1093/nar/gks1219). Differential abundances between comparisons of interest were calculated using DESeq2 on unnormalized datasets following the authors' recommendations (Love et al. 2014 doi: 10.1186/s13059-014-0550-8). Raw sequences are archived with the Sequence Read Archive (https://www.ncbi.nlm.nih.gov/sra) under project code PRJNA660809.</p> <p>Datasets archived here include:</p> <p>1) DeepCCZ_topography_metadata.xlsx: sampling location and other collection metadata, as well as all available environmental data (e.g., inorganic nutrients, total organic carbon, cell abundance counts), for DNA samples archived in this dataset</p> <p>2) DeepCCZ_topography_unnormalized_counts.xlsx: quality-controlled but otherwise unprocessed ASV results, including sequences associated with each ASV</p> <p>3) DeepCCZ_topography_relabund_UniFrac_with3ums.xlsx: quality-controlled ASV results, subsampled to a lower read count that accommodates the lower-yield 3 µm filter size samples; this sheet includes both relative abundances and a weighted UniFrac distance matrix</p> <p>4) DeepCCZ_topography_relabund_UniFrac_no3ums.xlsx: quality-controlled ASV results, subsampled to a higher read count that excludes the lower-yield 3 µm filter size samples; this sheet includes both relative abundances and a weighted UniFrac distance matrix</p> <p>5) DeepCCZ_topography_DESeq_*.xlsx (7 files): a series of results from numerous DESeq2 tests (Love et al. 2014 doi: 10.1186/s13059-014-0550-8) to identify differentially abundant ASVs in different sample categories. Tests were run on non-subsampled counts, as recommended.</p> <p>6) DeepCCZ_topography_diversity_metrics.xlsx: ASV richness, Pielou's evenness, and Shannon diversity for both levels of subsampling</p> <p> </p> <p>Contact for questions about this dataset: Emma Wear, ekwear.oceans@gmail.com</p>
FIGURE 4 in Moebjergarctus clarionclippertonensis, a new abyssal tardigrade (Arthrotardigrada, Halechiniscidae, Euclavarctinae) from the Clarion-Clipperton Fracture Zone, North-East Pacific
FIGURE 4. Moebjergarctus clarionclippertonensis sp. nov.—the head and cephalic appendages. A. The head of a paratype (B6418500012), showing the separation of the cirrus A and primary clava; B. Ventral view of the head, showing the ventral location of external cirri (paratype B6418500016); C. Cirrus A (paratype B6418500005); D. Median cirrus (paratype B6418500013); E. External cirrus (paratype B6418500005); F. Internal cirrus (paratype B6418500013). SEM photos; scale bars A–B 6 µm; C–F 1 µm. Abbreviations: cr—cirrophore; ec—external cirrus; fl—flagellum; ic—internal cirrus; ca—cirrus A; mc—median cirrus; pc—primary clava; sa—annulated portion of the scapus; sc—secondary clava; ss—smooth portion of the scapus.
FIGURE 2 in Moebjergarctus clarionclippertonensis, a new abyssal tardigrade (Arthrotardigrada, Halechiniscidae, Euclavarctinae) from the Clarion-Clipperton Fracture Zone, North-East Pacific
FIGURE 2. Moebjergarctus clarionclippertonensis sp. nov. A. Habitus (LM photo of the holotype, B6418500008, scale bar=50 µm); B. Schematic drawing of the holotype (scale bar=50 µm); C. Dorsal view (SEM photo of a paratype, B6418500005, scale bar=20 µm). Abbreviations: an—anus; bt—buccal tube; bu—caudodorsal bulge; ce—cirrus E; ec—external cirrus; go—gonopore; ic—internal cirrus; ca—cirrus A; mc—median cirrus; pb—pharyngeal bulb; pc—primary clava; p1–p4—sensory organs on legs I–IV; sc—secondary clava; sr—seminal receptacle; st—stylet.
FIGURE 11. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 11. Portaratrum birdi n. sp. Holotype female. (A) pleonite-5 ventral spur; (B) left mandible; (C) labium spiniform setae; (D) chela inner margin with two simple setae and four rows of microtrichia; (E) pereopod-1 propodus microtrichia; (F) pereopod-1 unguis tip; (G) pereopod-4 dactylus spinulation. Scale bars: 50 µm.
FIGURE 6. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 6. Portaratrum birdi n. sp. OMS exploratory area, Clarion-Clipperton Fracture Zone. (A, C–F) Holotype female (ZRC 2020.0162) and (B) paratype female (ZRC 2020.0163): habitus, (A) dorsal and (B) lateral views; (C) pleonite-5, pleotelson and uropod, lateral; (D) ventral spur on pleonite-5; (E) antennule; (F) antenna. Scale bars: 1 mm for (A, B); 100 µm for (C–F).
FIGURE 3. Unispinosus eopacificus n. gen., n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 3. Unispinosus eopacificus n. gen., n. sp. Left chelipeds of (A) holotype female and (B) allotype male. Scale bar: 100 µm.
FIGURE 1. Unispinosus eopacificus n. gen., n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 1. Unispinosus eopacificus n. gen., n. sp. OMS exploratory area, Clarion-Clipperton Fracture Zone. Non-ovigerous female holotype (ZRC 2020.0155): (A) habitus, lateral view. Male allotype (ZRC 2020.0156): habitus, (B) lateral and (C) dorsal views. Scale bar: 0.5 mm.
FIGURE 7. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 7. Portaratrum birdi n. sp. Holotype female. Labrum, (A) dorsal and (A`) lateral views; (B) left and (B`) right mandibles; (C) labium; (D) maxillule; (E) maxilla; (F) maxillipeds. Scale bar: 100 µm.
FIGURE 8. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 8. Portaratrum birdi n. sp. Holotype female. (A) Left cheliped, with setae and microtrichia on inner margin (denoted by asterisks *); (B–G) pereopods 1–6. Scale bars: 100 µm.
FIGURE 10 in Description of two new species of munnopsid isopods (Crustacea: Isopoda Asellota) from manganese nodules area of the Clarion-Clipperton Fracture Zone Pacific Ocean
FIGURE 10. Storthyngura yuzhmorgeo sp. nov. paratype female, MIMB 24421. A, body dorsal view; B, body lateral view; C, head dorsal view; D, pleotelson ventral view. Scale bar = 1 mm.
FIGURE 9 in Description of two new species of munnopsid isopods (Crustacea: Isopoda Asellota) from manganese nodules area of the Clarion-Clipperton Fracture Zone Pacific Ocean
FIGURE 9. Storthyngura yuzhmorgeo sp. nov. holotype male, MIMB 24420. A, body dorsal view; B, body lateral view; C, head dorsal view; D, pleotelson ventral view. Scale bar = 1 mm.
FIGURE 11 in Description of two new species of munnopsid isopods (Crustacea: Isopoda Asellota) from manganese nodules area of the Clarion-Clipperton Fracture Zone Pacific Ocean
FIGURE 11. Storthyngura yuzhmorgeo sp. nov. paratype female, MIMB 24421. Antennula, dorsal view and mouth parts.
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