Stock Assessment of Connecticut River Shad: Examination of Fishing and Predation Effects on the Recent Stock Decline



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Figure 8. Relationship among shad run size (SHADPOP), ages 7+ striped bass abundance in the river (STRIPRV) and the instantaneous consumption rate (Mp) of striped bass on American shad based on the Steele-Henderson model.







Figure 9. Plot of inriver landings (commercial + recreational) and the estimated number of adult shad consumed by striped bass (N * 1,000) based on the Steele-Henderson model.






Figure 10. Plot of total fishing mortality (FT), the total inriver mortality (Rivmort) and the estimated F30% level of 0.43. Note that total inriver mortality consists of the inriver fishing mortality (FR) and the striped bass consumption rate (MP).





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