604 



Fishery Bulletin 89(4), 1991 



(a) NSW releases - NSW returns 



■o 

 E 



E 



z 



Expected 

 Observed 



10 



Time at liberty (yr) 



(b) NSW releases - SA returns 



100 



10 



12 3 4 



Time at liberty (yr) 



(c) NSW releases - Japanese returns 



5 10 15 



Time at liberty (yr) 



20 



(d) SA releases - NSW returns 



1000 1 



3- 100- 



E 



3 



z 



E 



3 



E 



10 ■>. 



12 3 4 



Time at liberty (yr) 



(e) SA releases - SA returns 



1000 



5 100 



10" 



Expected 

 Observed 



Time at liberty (yr) 



(f) SA releases - Japanese returns 



100 



10: 



Expected 

 Observed 



5 10 15 20 



Time at liberty (yr) 



Figure 2 



Plots of observed and expected numbers of returns of tagged southern bluefin tuna for analysis A. Expected numbers 

 of returns were calculated on the, basis of the constrained-M fit using the SE method. 



