COMPARISON OF AVERAGE PERCENT TIME SUBMERGED 

 PER SIX HOUR SUMMARY PERIOD 

 1990 - ALL ANIMALS 



120 



gllO 

 a 





u 



W 



CU 



Cd 

 O 

 < 



w 

 > 



100 



90 - 



80 



70 - 



60 



50 



823 825 



827 831 833 

 PTT NUMBER 



839 840 



Figure 67. A comparison of the average percent time submerged between PTTs #823, 

 #825, #827, #831, #833, #839 and #840 tagged in 1990. N = number of error-free 

 summary periods used. Error bars = sd. 



105 



