3- 



mg/l 



1- 



0-1 



BUTTERMILK SOUND 

 WATER COLUMN 



TOTAL NITROGEN 

 PARTICULATE NITROGEN 



■NITRATE-NITRITE 

 ■ AMMONIA-N 



— i 1 1 1 1 r— 



MAY JULY SEPT. NOV. JAN. FEB. 



1975 1976 



APRIL 



200 



m at N/L 

 -150 



-100 

 -50 



-0 



Figure 2. Nitrogen analysis of the water column surrounding the Buttermilk Sound marsh habi- 

 tat creation site, May 1975 to April 1976. 



13 



