STRUHSAKER: EFFECTS OF BENZENE ON SPAWNING HERRING 



that long-term chronic exposures to low levels 

 may be decreasing population survival in polluted 

 areas. In addition, chlorinated hydrocarbons in 

 pesticides may also be accumulating in the 

 gonadal lipids and interacting with petroleum 

 hydrocarbons producing even more deleterious 

 effects. More studies of the effects of these 

 components on spawning fish are clearly needed. If 

 fishes prove generally to be the most sensitive to 

 accumulated oil components during their spawn- 

 ing season, fisheries management decisions 

 should take into consideration their protection 

 from damaging levels, particularly at spawning 

 time. 



ACKNOWLEDGMENTS 



I thank the staff of the Physiology Program, 

 SWFC Tiburon Laboratory, for assisting me in 

 these experiments. I am grateful to Norman 

 Abramson and Vance E. McClure for reviewing 

 the manuscript and for making suggestions. Dale 

 Straughan, Institute of Marine and Coastal 

 Studies, University of Southern California, also 

 reviewed the manuscript and made several 

 improvements. 



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