662 



Fishery Bulletin 92(3), 1994 



Fisheries Commission statistical areas: Charlotte/ 

 North Vancouver, South Vancouver, North Colum- 

 bia, and Eureka/South Columbia (Stanley, 1991; 

 Tagart, 1991) (Fig. 1). 



This study does not provide information sufficient 

 to alter the boundaries presently used in stock as- 

 sessments. However, the clear demonstration of 

 movement for immature and mature yellowtail rock- 

 fish should encourage assessment biologists to re- 

 fine their understanding of stock relationships for 

 this species. This understanding can then be applied 

 to examination of the relative impacts of fishing mor- 

 tality and potential movements among stock units. 



Acknowledgments 



The Alaskan tagging program could not have been 

 accomplished without the expertise and assistance 

 of L. J. Field, M. LaRiviere, and especially Richard 

 Rosenthal. We also appreciate the review comments 

 of Bill Pearcy and two anonymous reviewers. 



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