Sponge Biodiversity of the Van Diemen Rise and Joseph Bonaparte Gulf

Sponges were collected from 65 sites in northern Australia's Joseph Bonaparte Gulf and Van Diemen Rise. The dataset includes 283 species across four classes, 53 families, and at least 117 genera, with sampling covering five geomorphic features and three environmental variables. It provides a baseline inventory to support marine management, highlighting sponges as habitat providers and potential biological surrogates for monitoring.

Use Cases

• Analyzing spatial patterns of sponge diversity based on geomorphic features like banks and terraces
• Modeling relationships between sponge richness/biomass and environmental variables such as depth and substrate hardness
• Establishing a baseline species inventory for monitoring changes in a key ecological feature (carbonate banks)
• Investigating sponge assemblages as potential biological surrogates for broader benthic community monitoring

Strengths

• Contains a specific taxonomic inventory of 283 sponge species, providing a concrete biodiversity baseline
• Sampling design covers 65 sites across five distinct geomorphic features, allowing for spatial analysis
• Data collection recorded three environmental variables (depth, substrate hardness, slope), enabling ecological correlation studies

Limitations

• Metadata completeness is low: column names, row counts, and file size are unknown across all sources
• The source publication notes that interpretation of patterns is limited by relatively low sampling effort
• The dataset's structure and specific variables are not detailed, hindering immediate technical use

Provenance

Source

Parks Australia, referencing an original source publication.

Collection Method

Sponges collected with a benthic sled from 65 sites.

Freshness

Last updated on 2026-07-16 according to data.gov.au records.

Geography

Eastern Joseph Bonaparte Gulf and adjacent Van Diemen Rise (VDR), northern Australia.