FISHERY BULLETIN: VOL. 71, NO. 3 



estimates of survival rates will be possible 

 when a longer series of recovery data is avail- 

 able. 



Exploitation, fishing, and natural mortality 

 rates are estimated from tag recaptures. The 

 best estimate of exploitation rate from these 

 data is 50%. Instantaneous fishing mortality 

 rate (F) is estimated to be 0.95 ana instan- 

 taneous natural mortality (M) is 0.52. 



Tagging studies suggest that there are signi- 

 ficant fluctuations in availability of Atlantic 

 menhaden in Chesapeake Bay. 



LITERATURE CITED 



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COSTON, L. C. 



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1971a. Coastal movements of Atlantic menhaden 

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