Dataset

eDNA samples from the surface ocean to the seafloor collected by RV Investigator voyage IN2017_V01 - Linking Modern and Paleo-Genetics at the Sabrina Coast East Antarctica (2017)

OBIS Australia DNADerivedData Open in mapper Explore occurrences

DNA data underlying the paper 'From the Surface Ocean to the Seafloor: Linking Modern and Paleo-genetics at the Sabrina Coast, East Antarctica (IN2017_V01)' by Armbrecht et al. (https://doi.org/10.1029/2022JG007252). In this study, a modern and a paleo-genomics approach to investigate vertical profiles of marine organisms (bacteria and eukaryotes) through the water column and underlying sediments were conducted at three sampling stations off the Sabrina Coast, East Antarctica. Water and sediment samples were collected during the “Sabrina Seafloor Survey” (IN2017_V01) and represent the surface waters, chlorophyll maximum depth, bottom waters, and several depths below the seafloor. Conductivity–temperature–depth (CTD) data, seawater samples, and sediment cores (Kasten Cores [KCs]) were collected during the RV Investigator voyage IN2017_V01 (“Sabrina Seafloor Survey”) between January and March 2017. A combination of 16S and 18S rRNA amplicon sequencing (modern DNA) and shotgun metagenomics (sedimentary ancient DNA, sedaDNA) was used. Data were extracted from supporting information file (https://agupubs.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1029%2F2022JG007252&file=2022JG007252-sup-0001-Supporting+Information+SI-S01.pdf) provided with the research paper (https://doi.org/10.1029/2022JG007252). DNA dataset were downloaded from Armbrecht, L. & Focardi, A. (2022), Totten Glacier ocean & sediment DNA (IN2017_V01). University of Tasmania Research Data Portal [Dataset], https://dx.doi.org/10.25959/hwk8-cc81. All read counts, sequence id for Bacteria, Archaea and Eukaryota identified using sedaDNA at KC02, KC06, KC14 are extracted at the lowest identified taxonomic level from MEGAN (CE v.6.24.23). Voyage details (metadata, projects, other datasets either online or as downloads, publications and reports, events, maps etc) can be accessed at https://www.marine.csiro.au/data/trawler/survey_details.cfm?survey=IN2017_V01 If this data has been used in any products, please acknowledge with the following: We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353) in undertaking this research.

Citation: Armbrecht, L., Focardi, A., Lawler, K.-A., O’Brien, P., Leventer, A., Noble, T. L., et al. (2023). From the surface ocean to the seafloor: Linking modern and paleo-genetics at the Sabrina Coast, East Antarctica (IN2017_V01). Journal of Geophysical Research: Biogeosciences, 128, e2022JG007252. https://doi.org/10.1029/2022JG007252

Published: November 30, 2023 at 02:12

URL: https://www.marine.csiro.au/ipt/resource?r=in2017_v01_sedadna

60,867
occurrence records
60,953
sequences
580
taxa
44
species

Taxa

Missing and invalid fields

Field Missing Invalid
scientificNameID 17,431 352
29.2%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_MATCH 17,645
29.0%
WORMS_ANNOTATION_UNRESOLVABLE 7,290
12.0%
MARINE_UNSURE 1,060
1.7%
NO_ACCEPTED_NAME 583
1.0%
NOT_MARINE 14
0.0%

Measurement types

DNA derived data