Redbait and Jack Mackerel Biological Data from Tasmanian Waters, 2002-2006

Sampling of commercial mid-water trawl catches from waters adjacent to Tasmania has yielded a biological dataset spanning multiple years. The data includes size composition information from most commercial shots between 2002 and 2006, referenced with operational details like location, depth, and catch weight. Further data has been collected since the initial investigation, and subsamples for key species include sex, gonad weight, stage, and otoliths for age determination.

Use Cases

• Modeling fish population growth and mortality based on size composition and age data from otoliths.
• Analyzing spatial and temporal distribution patterns based on location and catch weight information.
• Studying reproductive biology and spawning seasons based on gonad weight and stage data.
• Assessing commercial fishing impacts on pelagic stocks based on catch data from 2002-2006.

Strengths

• Data collection spans a multi-year period from 2002 to 2006, providing a temporal series.
• Includes biological subsamples with detailed metrics like sex, gonad weight, stage, and retained otoliths.
• Operational information for most commercial shots includes location, depth, and catch weight.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to the specific commercial trawl sampling method.

Provenance

Source

Australian Ocean Data Network

Collection Method

Sampling of commercial mid-water trawl catches.

Time Range

2002 to 2006, with further data collected since.

Freshness

Last updated 2026-07-22 03:13:13.766594; freshness should be verified.

Geography

Waters adjacent to Tasmania, Australia.