-^/^ 



Ul 



f 22.0 



2 20.0 



2 18.0 



16.0 

 14.0 

 12.0 





•//• 



B 



_l I L 



V^ 



30.0 



28.0 - TEST 32*^ 

 26.0 



24.0 

 22.0 t- 

 20.0 

 18.0 

 16.0 





ACCL 32'>C 



36^^ 



/ _ _25%. 



, ^„_,^^r ^....J-Q^-;.*-'  



tf"";"^^^C9NTR9L ^ -—^r^. -f*-^^ "°'°° 



\ ^^.  "  — ,- 



12 



10 



' // ' ' ' ^ 



16 24 48 72 96 



TIME -hours 



90 J 

 < 

 (J 



80 

 70 

 60 



50 



130 

 120 



110 

 100 



90 



80 



70 



168 



Figure 68. Comparison of blood calcium ion levels of Penaeus aztecus 

 during adaptation to various salinities at 18°C (section A of the fig- 

 ure), 25°C (B), and 32°C (C) . Control conditions were 15°/ooS and 32°C 



137 



