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Environmental DNA metabarcoding for monitoring metazoan biodiversity in Antarctic nearshore ecosystems

Created 13/03/2025

Updated 13/03/2025

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Our aim was to compare water and sediment as sources of environmental DNA (eDNA) to better characterise Antarctic benthic communities and further develop practical approaches for DNA-based biodiversity assessment in remote environments. We used a cytochrome c oxidase subunit I (COI) metabarcoding approach to characterise metazoan communities in 26 nearshore sites across 12 locations (including Ellis Fjord, Warriner Channel, Hawker Channel, Abatus Bay, Powell Point, Shirokaya Bay, and Weddell Arm) in the Vestfold Hills (East Antarctica) based on DNA extracted from either sediment cores or filtered seawater. We detected a total of 99 metazoan species from 12 phyla (including nematodes, cnidaria, echinoderms, chordates, arthropods, annelids, rotifers and molluscs) across 26 sites, with similar numbers of species detected in sediment and water eDNA samples. Please cite: Clarke LJ et al. (2021). Environmental DNA metabarcoding for monitoring metazoan biodiversity in Antarctic nearshore ecosystems. PeerJ, DOI: 10.7717/peerj.12458 This work was completed as part of the Davis Aerodrome Project (DAP).

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Title Environmental DNA metabarcoding for monitoring metazoan biodiversity in Antarctic nearshore ecosystems
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/2027b511-ca82-459a-8ef7-90043e8b9a8a
Contact Point
CSIRO Oceans & Atmosphere
metadata@aad.gov.au
Reference Period 13/11/2019 - 14/12/2019
Geospatial Coverage {"type": "Polygon", "coordinates": [[[77.88451, -68.63487], [78.39757, -68.63487], [78.39757, -68.42426], [77.88451, -68.42426], [77.88451, -68.63487]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Environmental DNA metabarcoding for monitoring metazoan biodiversity in Antarctic nearshore ecosystems". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/environmental-dna-metabarcoding-for-monitoring-metazoan-biodiversity-in-antarctic-nearshore-eco

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