Pelagic Ecology and Fish Production in the Great Australian Bight During Summer–Autumn

Research data on the effects of coastal upwelling on primary production and fish distribution in the Great Australian Bight. The dataset likely contains measurements of chlorophyll a, zooplankton biomass, and densities of sardine, anchovy, and southern bluefin tuna eggs and larvae. The record is provided by Parks Australia and was last updated in July 2026.

Use Cases

• Modeling the relationship between upwelling events and localized chlorophyll a concentrations based on the description.
• Analyzing the spatial distribution of sardine and anchovy spawning biomass based on egg density data mentioned in the description.
• Studying juvenile southern bluefin tuna migration patterns based on their prey composition, which was over 50% sardine.
• Comparing primary and secondary production levels in the Great Australian Bight to other global upwelling systems as referenced in the description.

Strengths

• The description provides specific quantitative findings, such as sardine comprising >50% of juvenile southern bluefin tuna prey.
• Research compares productivity levels to other major global upwelling systems (e.g., off California, Peru, southern Africa).
• The dataset originates from a government research organization (Parks Australia).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data freshness should be verified as the last update is scheduled for a future date (2026-07-15).

Provenance

Source

Parks Australia, referencing a source publication.

Collection Method

Likely contains field measurements from marine surveys, as the description discusses sampling of eggs, larvae, and prey.

Time Range

Observations focus on the austral summer–autumn period.

Freshness

Last updated 2026-07-15 02:52:16.665097

Geography

Spatial coverage includes the eastern and central Great Australian Bight, shelf waters of southern Australia.