Mixed-stock Pacific salmon fisheries: (IMAGE) Simon Fraser University Caption Mixed-stock Pacific salmon fisheries can benefit from fish biodiversity while also conserving it, if productive stocks can be selectively targeted and weak stocks avoided. Credit Peter Westley Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.