Torres Strait Seabed Survey and Seagrass Dieback Report

Geoscience Australia survey 266 provides preliminary results on seabed geomorphology and sedimentary processes near Turnagain Island in central Torres Strait. The 2004 survey investigates potential effects on seagrass distribution and abundance, initiated due to recent widespread seagrass dieback. This work is part of a larger Reef CRC field program studying physical and biological processes in the region.

Use Cases

• Analyze seabed geomorphology features to infer impacts on seagrass survival near Turnagain Island.
• Correlate sedimentary process data with historical seagrass dieback events to identify causal factors.
• Map physical process distributions to support models of dugong and turtle habitat changes.
• Use survey findings as baseline for comparative analysis with subsequent 2004 survey data.
• Integrate geomorphological results with biological data to quantify principal ecosystem processes in Torres Strait.

Strengths

• Report focuses on a specific, ecologically critical region (Turnagain Island, central Torres Strait).
• Data is part of a coordinated, larger field-based program managed by the Reef CRC.

Limitations

• Data is presented as a preliminary report, not a raw or structured dataset.
• Specific sample sizes, row counts, and measurable data columns are not provided.
• Information is from 2004 and may not reflect current ecosystem conditions.

Provenance

Source

Geoscience Australia (survey 266), part of a program managed by the Reef CRC.

Collection Method

Field survey undertaken to investigate seabed geomorphology and sedimentary processes.

Time Range

2004

Freshness

Report content is from 2004, though metadata was last updated in 2026.

Geography

Central Torres Strait, vicinity of Turnagain Island.