362 



Fishery Bulletin 102(2) 



tion of the differential equations by using random variates 

 at each time step may be a mechanism to evaluate how 

 the variability of a and b within a recruitment period are 

 translated into the variability structure around a stock- 

 recruitment relationship. 



The model formulations used in the present study have 

 been characterized from the underlying physical pro- 

 cesses. By doing so, research may be directed at empirical 

 and experimental measurement of specific stock-recruit- 

 ment parameters, which opens the models to testing 

 and verification. Additionally, results indicate that the 

 school-size distribution contains a rich source of informa- 

 tion on the mortality and aggregation processes and that 

 monitoring of the distribution during recruitment could 

 be useful for understanding recruitment variability and 

 model structure. 



Acknowledgments 



I would like to thank the reviewers for their constructive 

 comments and the National Marine Fisheries Service for 

 allowing me the opportunity to conduct this research. 



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