POPULATION HETEROGENEITY IN PACIFIC PILCHARD 



217 



- rn i i i i r~i i i i i i i i r~\ i n i — i — i — r~ t~i — i — i — i — i — r^ — i — i — r~r 



>ooO|— o x ,, 



370 



360 



350 



340 



330 



320 



CO 

 rr 



LlI 

 UJ 



310 



300 



290 



Z 



LU 



280 



g 270 



Q. 



S 



>- 



CO 260 



< 



250 



240 



230- 



— X XX 



220 - 

 210- 



200h 

 190 



oo o xx xxoo 

 00 x xwx x£ Q 



x Q xx o xx > qqq xxo nxa 



X X Xo X XXq XX q XxOg <£§( 



x oo Xooxwxwjowo 



x W^Wh^x^Q^a 

 o <j XXoo o x*P »xxq <jpfc 



o xo o xjxpiSQxxQ xroXKAwO 

 xxoxx ua mbigiBXa SWlf^ti 

 xoq xx xxq x q xjMQ<c*o Q $p§ mfirV 01 

 x o x x» 59(o)8axxx^u ">o>o «Kaxxo 

 x x mo xOTxa )•&»»( JXQ58W 

 x oo ^°»x°o'8 , ulj v « i J >t '» «%§» 

 o xo xxajiWxu*S;? OQ xo ftoxj 

 x o ooo «a A^ W $S< 5?« x ^ 



q o oo o oO ) 89Sb a **(? ° 



X qq X Q XOjO XX g XXXj Q o Q xo a 

 XXq oo 0*00 XX q q oo 



X q qQj q qq o o 



XX X 



X Q 



J I I L 



_L_I L_L 



J I 1_J I I I I I I I I I I I I I I I I I I 



<30 



40 



50 



90 



100 





60 70 80 



SLOPE OF TRANSFORMATION 



Figure 7. — Regression of transformation values calculated for individual pilchard of 1939 class caught at the 4-ring stage, 

 asymptotic length (/«) on rate of deceleration of growth (fc). Symbol x represents fish taken in San Francisco, 

 symbol Q in Monterey. Larger symbols represent values for five fish, smaller for a single individual. 



