RtGKUITMElNT 



// 



Number of juvenilts 

 reaching 

 commerci&t 5i£& 



Number of larvae 

 reaching post- 

 pl&nktonlc stage 



Juvenile 

 survival 

 rate 



Number of larv&e 

 reaching post- 

 pUnktonio stage 



Number of 

 eggs hatched 



Larval 



survival 



rate 



Density of 

 larvae 



// 



Number of 

 egfg^ hatched 



Number of 

 ejgs spawned 



surviVAl 

 rate 



Number of 

 eggs spawned 



Potential spawn- 

 Ing capacity 



intra 

 ovar 

 surv 

 rate 



lan 

 ivai 



s 



Abundance 

 and age com- 

 joosUlon of 

 commercial 

 stocK 



Density of 



commercial- 

 sized fisfi 



J 



Certaiin oceanogrdphic 

 conditions 



Planktonic food ? 



Abundance 

 of competing 

 or predatory 

 forms 



Certain 



oce&nogaphic 



conditions: 



Drift? 



Planktonic 



food? 



Certain 



oceanographic 



conditions: 



Drift? 



Temperature? 



Turbulence? 



-o 



c '* 

 o "^ 



o^ 



^t 

 o -^ 



— o 



on 

 _o o 



O Z 



-t 



_iJ — 

 0,0 



e 



-o 



C C 



O 



Certain oceanogfraphic 



conditions: 

 temperature J 

 Planktonic food? 



26 



