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RAiD https://raid.org/10.71676/d0dfa7a2
NESP MaC Project 4.23 - Environmental DNA for measuring offshore marine biodiversity: what can DNA in water collected from the RV Investigator tell us?, 2024-2025 (CSIRO)

Dates

Start Date
01-Mar-2024
End Date
10-Feb-2025

Titles

Title
NESP MaC Project 4.23 - Environmental DNA for measuring offshore marine biodiversity: what can DNA in water collected from the RV Investigator tell us?, 2024-2025 (CSIRO)
Title Type
Primary
Title Type:
Primary
 Preferred full description or abstract.
Start Date
01-Mar-2024
End Date
10-Feb-2025
Language
English

Descriptions

Description

Environmental DNA (eDNA) in seawater provides a non-extractive way to characterise marine biodiversity from genetic material shed by organisms, from microbes and plankton to invertebrates and fishes. It is an emerging tool for marine ecosystem monitoring, particularly in offshore areas where conventional sampling can be difficult, costly or environmentally disruptive.

This project collected and analysed more than 500 eDNA samples from 91 sites during the South-east Australian Marine Ecosystem Survey (SEA-MES) on RV Investigator. Samples were collected along the continental shelf between Tasmania and southern New South Wales, including sites within the South-east Marine Parks Network, providing the first comprehensive eDNA baseline for this region.

The project tested active eDNA sampling from CTD water samples and passive eDNA sampling from a deep-towed camera system. DNA metabarcoding and Tree of Life metabarcoding were used to identify biodiversity patterns across the water column and near the seafloor. Results were compared with conventional survey methods, including fish trawls, plankton sampling and deep-towed camera deployments, to assess how eDNA complements existing monitoring approaches.

The dataset revealed clear biodiversity patterns by depth, latitude, and water-column position, including higher fish diversity near the seafloor than at the surface. Comparisons with trawl and plankton data showed that eDNA provided complementary biodiversity information, supporting its use alongside existing survey methods and highlighting its value as part of integrated monitoring programs. The outputs provide a new biodiversity baseline for south-eastern Australian waters, and practical guidance on future application of eDNA techniques for offshore monitoring of marine parks and fisheries.
Description Type

Primary
Description Type:

Primary

 Preferred full description or abstract
Language
English

Contributors

Name Bruce Deagle ORCID Logo (unauthenticated)
Contributor ID ORCID Logo https://orcid.org/0000-0001-7651-3687 (unauthenticated)
Leader
Yes
Contact
Yes
Positions
Position
Principal or Chief Investigator
Position:
Principal or Chief Investigator
 Principal investigator refers to the person(s) in charge of a research project
Start Date
01-Mar-2024
End Date
10-Feb-2025
Roles
No Entries
Name Levente Bodrossy ORCID Logo (unauthenticated)
Contributor ID ORCID Logo https://orcid.org/0000-0001-6940-452X (unauthenticated)
Leader
No
Contact
No
Positions
Position
Co-investigator or Collaborator
Position:
Co-investigator or Collaborator
 A Co-Investigator is a senior or key investigator involved in a research project who does not have the overall responsibility and authority of the Principal Investigator
Start Date
01-Mar-2024
End Date
10-Feb-2025
Roles
No Entries
Name Cindy Bessey ORCID Logo (unauthenticated)
Contributor ID ORCID Logo https://orcid.org/0000-0002-4081-0214 (unauthenticated)
Leader
No
Contact
No
Positions
Position
Co-investigator or Collaborator
Position:
Co-investigator or Collaborator
 A Co-Investigator is a senior or key investigator involved in a research project who does not have the overall responsibility and authority of the Principal Investigator
Start Date
01-Mar-2024
End Date
10-Feb-2025
Roles
No Entries
Leader
No
Contact
No
Positions
Position
Co-investigator or Collaborator
Position:
Co-investigator or Collaborator
 A Co-Investigator is a senior or key investigator involved in a research project who does not have the overall responsibility and authority of the Principal Investigator
Start Date
01-Mar-2024
End Date
10-Feb-2025
Roles
No Entries
Name Katrina M West ORCID Logo (unauthenticated)
Contributor ID ORCID Logo https://orcid.org/0000-0002-9026-5058 (unauthenticated)
Leader
No
Contact
No
Positions
Position
Co-investigator or Collaborator
Position:
Co-investigator or Collaborator
 A Co-Investigator is a senior or key investigator involved in a research project who does not have the overall responsibility and authority of the Principal Investigator
Start Date
01-Mar-2024
End Date
10-Feb-2025
Roles
No Entries

Organisations

Name
CSIRO Environment

Roles
Role
Lead Research Organisation
Role:
Lead Research Organisation
 The research organistion administratively responsible for the project; administering organisation
Start Date
2024-03-01
End Date
2025-02-10

RelatedObjects

Citation

Deagle, B., Bodrossy, L., Bessey, C., Jayasinghe, S., & West, K. (2025). Environmental DNA data from the RV Investigator South-East Australian Marine Ecosystem Survey (SEA-MES) voyages IN2023_V05 and IN2024_V03 [Dataset]. Institute for Marine and Antarctic Studies.
Type
Dataset
Categories
Output

Alternate Identifier

No Entries

Alternate URLs

Related RAiDs

Title
NESP Marine and Coastal Hub (10.71821/418be95a)
Relation
IsPartOf
Relation:
IsPartOf
 Relates a subproject back to its parent project

Access

Type
Open Access
Type:
Open Access
 Open access refers to a resource that is immediately and permanently online, and free for all on the Web, without financial and technical barriers.The resource is either stored in the repository or referenced to an external journal or trustworthy archive.
Language
Text
Embargo Expiry

Subjects

Subject
Environmental assessment and monitoring (410402)
Keywords
Text
biomonitoring
Language
eng
Text
Marine Biodiversity Survey
Language
eng
Subject
Marine and estuarine ecology (incl. marine ichthyology) (310305)
Keywords
Text
Environmental DNA (eDNA)
Language
eng
Text
Southeast Australia Marine Ecosystem Survey
Language
eng

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