Geoscience Australia Data provides a dataset from a study examining the spatial distributions and benthic habitat associations of deep-water demersal fish species across Cordell Bank in central California. The data was gathered from 60 strip-transects using in situ observer and video-recorded data from a two-person submersible. The study analyzed fish abundance and assemblage composition in relation to seabed habitats at multiple spatial scales, from broad bank features to fine-scale transitions.
Use Cases
- Modeling species distribution based on seabed habitat composition and spatial location.
- Analyzing fish assemblage composition across transition zones between bank and continental slope sediments.
- Studying taxon-specific responses to fine-scale habitat characteristics within broader landscapes.
- Evaluating the use of acoustic seabed mapping data as a proxy for predicting fish abundance patterns.
Strengths
- Data collection involved 60 strip-transects over the extent of Cordell Bank.
- Analysis was conducted at three spatial scales: broad (rocky bank), intermediate (10-100s of m transition zones), and fine (1-10s of m).
- Data sources include in situ observer counts and video-recorded data from a submersible.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Freshness should be verified; the last update timestamp is 2026-04-30 14:38:52.306109.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Data gathered from 60 strip-transects using in situ observer and video-recorded data from the two-person Delta submersible.
- Freshness
- Last updated 2026-04-30 14:38:52.306109; freshness should be verified.
- Geography
- Cordell Bank, a deep-water bank in central California.