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Fishery Bulletin 102(1) 



hypotheses are the following: 1) averaged DO concentra- 

 tion is inversely related to levels of plankton productivity 

 in a region and high plankton productivity favors high re- 



cruitments of planktivorous bay anchovy; 2 ) low dissolved 

 oxygen concentrations can restrict spatial distribution of 

 bay anchovy SSB to the lower bay insuring high egg and 



