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Bonifácio, Paulo; Neal, Lenka; Omnes, Emmanuelle; François, Baptiste; Dahlgren, Thomas G; Menot, Lenaick (2019): The polychaete fauna of the Clarion-Clipperton Fracture Zone from boxcore samples during SONNE cruise SO239. PANGAEA,, Supplement to: Bonifácio, Paulo; Martínez Arbizu, Pedro; Menot, Lenaick (2020): Alpha and beta diversity patterns of polychaete assemblages across the nodule province of the eastern Clarion-Clipperton Fracture Zone (equatorial Pacific). Biogeosciences, 17(4), 865-886,

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The dataset contains polychaete abundance data collected from boxcores samples (BC; 0.25 m2) collected in the eastern Clarion Clipperton fracture Zone (northeast Pacific), an area currently being explored for polymetallic nodules. Macrobenthic samples were collected onboard RV Sonne during expedition SO239 in 2015. Four exploration contract areas (BGR, IOM, GSR and Ifremer) and one “Area of Particular Environmental Interest” (APEI#3) were sampled. Between 3 and 8 quantitative box cores were collected in each area. Boxcore samples were sliced in three layers (0-3, 3-5 and 5-10 cm depth) and sieved on a 300 µm mesh. Polychaetes have been counted, sequenced and identified. Identifications were realised based on morphology and DNA (COI, 16S and 18S genes) leading to morphotype in most cases (species-level). DNA sequences are available in Genbank or BOLD databases with their respective codes in this dataset.
Median Latitude: 13.342069 * Median Longitude: -122.679946 * South-bound Latitude: 11.071170 * West-bound Longitude: -130.141500 * North-bound Latitude: 18.797170 * East-bound Longitude: -117.052000
Date/Time Start: 2015-03-20T13:18:00 * Date/Time End: 2015-04-24T01:54:00
Minimum DEPTH, sediment/rock: 0.040 m * Maximum DEPTH, sediment/rock: 1.500 m
SO239_12-1 (BC1) * Latitude: 11.847170 * Longitude: -117.059330 * Date/Time: 2015-03-20T13:18:00 * Elevation: -4117.6 m * Location: North Pacific Ocean * Campaign: SO239 * Basis: Sonne_2 * Method/Device: Box corer (BC)
SO239_15-1 (BC2) * Latitude: 11.844330 * Longitude: -117.052170 * Date/Time: 2015-03-21T06:16:00 * Elevation: -4132.6 m * Location: North Pacific Ocean * Campaign: SO239 * Basis: Sonne_2 * Method/Device: Box corer (BC)
SO239_16-1 (BC3) * Latitude: 11.857330 * Longitude: -117.052000 * Date/Time: 2015-03-21T09:57:00 * Elevation: -4122.1 m * Location: North Pacific Ocean * Campaign: SO239 * Basis: Sonne_2 * Method/Device: Box corer (BC)
* Comment Species Level: 'TRUE': The specimen has been identified down to species or putative species level; "FALSE": The specimen has been identified at a taxonomic resolution lower than species
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventMenot, Lenaick
2Station labelStationMenot, Lenaick
3Layer descriptionLayerMenot, Lenaick
4Depth, top/minDepth topmMenot, Lenaick
5Depth, bottom/maxDepth botmMenot, Lenaick
6DEPTH, sediment/rockDepthmMenot, LenaickGeocode
7AreaAream2Menot, Lenaicksampled
8Sample commentSample commentMenot, Lenaickyes=quantitative,no=qualitativ
9Sample IDSample IDMenot, LenaickIfremer
10Sample IDSample IDMenot, LenaickUniversity of Gothenburg
11CommentCommentMenot, LenaickSpecies level*
12MorphotypeMorphotypeMenot, LenaickName of the morphotype inlcuding the name of the lowest known taxonomic level plus a unique numbering if appropriate
13SpeciesSpeciesMenot, LenaickName of the lowest known taxonomic level
14Database accession numberAccession noMenot, LenaickAphiaID of the lowest known taxonomic level from the World Register of Marine Life
15Number of individualsInd No#Menot, Lenaick
16Sample IDSample IDMenot, LenaickID of the sample in the Barcode of Life Data System
17IdentificationIDMenot, LenaickProcess ID of the specimen generated by by the Barcode of Life Data System
18Accession numberAccess NoMenot, LenaickCOI Genbank
19Accession numberAccess NoMenot, Lenaick18S Genbank
20Accession numberAccess NoMenot, Lenaick16S Genbank
18255 data points

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