the necessary detailed knowledge of the effects of changes of salin- 

 ity, temperature, oxygen, pollutions, currents ^ and silting upon fin- 

 fish and shellfisho 



5o The Fish emd Wildlife Service considers that a barrier in the 

 Fox Point Area will have no significant effect on the fishery resottrces 

 of Narragansett Bayo 



RECOMMENDATIONS 

 It is recommended s 



lo That studies be made of the effects vriiich hurricane control bar- 

 riers in the lower Bay may have upon the fishery resources of Narra- 

 gansett Bay as follows; 



aa Effect on hard clam of salinity changes caused by lower Bay 



barriers o 

 bo Effect on hard clam of silt redistribution caused by those 



barriers o 

 Co Effect on hard clam of temperature changes caused by thase 



barriers o 

 do Effect on those barriers upon the entrance and egress of various 

 species of young ocean fish which depend on Narraggmsett Bay 

 for a nurseryo 

 e<, Effect on hard clam of changes in dissolved oxygen caused by 



lower Bay barriers ^ 

 f o Effect on hard clam of changes in currents caused by those bar- 

 riers - 



G-27 



