I 



83°00'W. 



82 30 W. 



Figure 1.— Hydrological measurements for different areas of Tampa Bay, Fla., and adjacent waters of the Gulf of Mexico, 

 January 1965 through August 1967— water temperature (w. temp.), Oc; salinity (sal.), p.p.t.; pH; total nitrogen (tot. N.), 

 u%. at./l.; total phosphorus (tot. P.), ^/g. at./l.; dissolved oxygen (DO), ml,/l.; turbidity (turb.), J.T.U. 



