Benthic Sponge and Octocoral Ecology in the Joseph Bonaparte Gulf, 2009-2010

Still imagery of the sea floor from four study areas on the Van Diemen Rise, collected during two seabed mapping surveys in 2009 and 2010. The data characterizes benthic communities and correlates species and morphological groups with abiotic variables like pheophytin, Si/Al ratio, mud content, and backscatter signals. This study by Geoscience Australia and the Australian Institute of Marine Science provides baseline information for marine reserve management and environmental impact assessments.

Use Cases

• Identify surrogate abiotic variables for benthic community characterization based on correlations with species like Mopsella sp.
• Model relationships between sponge functional growth forms and multibeam sonar backscatter data.
• Establish ecological baselines for the proposed Oceanic Shoals Commonwealth Marine Reserve using the described imagery and analyses.

Strengths

• Data originates from two dedicated seabed mapping surveys conducted by Geoscience Australia and the Australian Institute of Marine Science.
• Analysis correlates biological groups with specific, measured abiotic variables such as pheophytin, Si/Al, and mud content.
• Provides foundational information for a region where baseline data was previously lacking.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is available only in PDF and HTML formats, which may complicate computational analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

Still imagery collected during seabed mapping surveys, with subsequent analysis correlating biological groups to abiotic variables.

Time Range

2009, 2010

Freshness

Last updated 2026-04-30 14:13:16.270542; freshness should be verified.

Geography

Northeastern Joseph Bonaparte Gulf, specifically the Van Diemen Rise, northern Australia.