





a ■ 



























/^ 



































2,000 



r ° 



xygen 



li 

























f~~ Ten 



iperature 































pH 



i 





















\ 



V-- Salinit 



y 





Q 















\ 



1 





















\ 



1 







5,000 

















1 





















1 























1 























1 





























6.4 

 33.0 







Oxygen (ml/1) 



6 



8 



10 

 Temperature (°C) 



7.0 



7.2 



7.4 

 pH 



3.6 



3 3.8 



34.0 3 

 Salinity (ppt) 



8.0 

 34.6 



Figure 2. Variation of environment with depth at STU sites. 



