Introduction 



■ This working paper is an abbreviated analysis of the possibilities 



of stock enhancement for certain commercially important marine species which 

 may be impacted by the extension of the U.S. fishing zone jurisdiction to 

 the 200-mile limit. 



The paper discusses the rationale for stock enhancement — increasing the 

 amount of edible product by increasing the number of fish and/or the size 

 of the fish in the stock — and general techniques for stock enhancement. 

 It also discusses briefly enhancement possibilities for a group of selected 

 stocks, including cod, haddock, yellowtail and blackback flounder, ocean 

 perch, pollock. Gulf shrimp. Pacific salmon, Alaska crab, Atlantic herring 

 and Pacific pollock. 



References for this work are included at the conclusion of the 

 working paper along with excerpts from the comments of reviews who had 

 substantive additions to make to the paper. 



Stock Enhancement Techniques 



■ Extended jurisdiction could be a stimulus for a comprehensive stock enhancement 

 program. As has been documented in other parts of this broad study, certain 



of our fisheries, such as the New England ground fishes, have been over- 

 exploited almost to the point of depletion. The National Marine Fisheries 

 Service (NMFS) projected that a 100 percent increase in today's ground fish 



