Juvenile Salmon Predation Survey Data from Barkley Sound 1987-1994

Research survey catch data and individual fish examinations from a juvenile salmon predation study conducted in Alberni Inlet and Barkley Sound, British Columbia. The project was led by Robin J. LeBrasseur and N. Brent Hargreaves for Fisheries and Oceans Canada from 1987 to 1994.

Use Cases

• Analyze survey catch data to model juvenile salmon population trends and predation pressure over the 8-year study period.
• Examine individual fish examination data to study growth rates, health indicators, and potential causes of mortality.
• Correlate catch data with environmental or seasonal factors to identify patterns in salmon survival within Alberni Inlet and Barkley Sound.

Strengths

• Data covers an 8-year continuous study period from 1987 to 1994, providing longitudinal insights.
• Dataset includes both aggregated survey catch data and detailed individual fish examinations, offering two levels of analysis.
• Research was conducted by named principal investigators for a federal agency, Fisheries and Oceans Canada, indicating authoritative provenance.

Limitations

• The specific number of rows (survey records) and columns (measured variables) is unknown, limiting assessment of dataset scale and feature richness.
• Data is over 30 years old, which may limit its relevance for modeling current salmon population dynamics without contemporary validation.
• Without column details, the specific biological and environmental metrics captured (e.g., length, weight, location precision) are unclear.

Provenance

Source

Fisheries and Oceans Canada

Collection Method

Research survey catch data and individual fish examinations from a juvenile salmon predation study.

Time Range

1987 to 1994

Freshness

Data is historical (1987-1994); the record itself was last updated on the platform in March 2026.

Geography

Alberni Inlet and Barkley Sound, British Columbia, Canada