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Fisheries science

About fisheries science, data collection, stock assessment, science advice, research, and publications.

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About fisheries science

The four steps from data to decision, fish stocks, and the precautionary approach.

Data Collection

Step 1: Collecting data about Canada’s major fish stocks using at-sea surveys with different gear types.

Stock assessment

Step 2: Assessing the health of fish stocks using stock assessment models. Improving stock assessment methods through the Technical Expertise in Stock Assessment (TESA) program.

Science advice

Step 3: Developing science advice to inform evidence-based decision making through the Cycle of Science Advice.

Fisheries management decisions

Step 4: Setting out the management measures for fishing seasons. Learn about our priorities for fisheries management and find past fisheries decisions.

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