Sporting alterniflora 



* 



■D 



o 

 o 



3 



JAN 



FEB MAR 



APR 



MAY JUNE JULY 



AUG 



SEPT 



Figure 5. Microbial biomass (ATP) in the sprigged Spartina alterniflora plots in the uppt 

 middle, and lower tidal zones. Seasonal ATP concentrations were measured at 

 three depths: •, 0-2 cm;0, 5-7 cm; and A , 10-12 cm. The ATP values for each 

 block within each tidal zone were pooled together and the mean ±SE plotted. 



42 



