IN2022_V09: eDNA Sampler Testing in the Gascoyne Marine Park

Environmental DNA data from RV Investigator voyage IN2022_V09 compares three novel processing methods for capturing integrated eDNA samples from deep-water transects. The study, conducted in Australia's Gascoyne Marine Park between November and December 2022, used fish as a model organism to validate eDNA detections against traditional trawl surveys. This dataset provides a methodological benchmark for assessing marine biodiversity using eDNA technology.

Use Cases

• Comparing eDNA extraction efficiency based on the three tested methods (filtering OCD water, extracting from sponge pieces, filtering sponge rinse water).
• Validating eDNA metabarcoding results for fish against concurrent bottom trawl survey data.
• Assessing species detection completeness by comparing eDNA identifications to the known regional species pool.
• Designing integrated eDNA samplers for deep-water transect surveys.

Strengths

• Data is linked to a specific, well-documented research voyage (IN2022_V09) with a precise time range (November 19 to December 19, 2022).
• Includes comparative validation against an independent data source (bottom trawl survey) and a regional species list.
• Cross-platform presence on data.gov.au suggests formal curation and importance.

Limitations

• Critical metadata is missing: column names, row count, file size, license, and author are not provided in the input.
• The dataset's structure and specific variables are unknown, limiting immediate analytical utility.
• Update timestamps conflict slightly between entries (2026-04-26 vs 2026-04-11), though this is minor.

Provenance

Source

CSIRO Marlin Data Catalogue, collected during RV Investigator voyage IN2022_V09.

Collection Method

Environmental DNA sampling and processing using three comparative methods, validated against bottom trawl surveys.

Time Range

November 19, 2022 to December 19, 2022 (AEST).

Freshness

Last updated on 2026-04-26 according to the most recent entry.

Geography

Gascoyne Marine Park, Australia, departing from and returning to Fremantle.