425 



14 



12 — 



10 



O 



o 



I 



CO 



(al 



I I I 



M J J A 



1974 



S 



J A 

 1975 



I I I I I 



M J J A S O 



1976 



J A 

 1977 



12 



10 



O 



O 



I 



CO 



(b) 



1 — r 



M 



-| — r~r- 



J A S O 

 1974 



J A 

 1975 



I I I I I 



M J J A S 

 1976 



J A 

 1977 



Fig. 3 Density of Spartina alterniflora during the last year of direct 

 thermal discharge (1974) and since relocation of the thermal 

 discharge through a diffuser (1975—1977) at (a) Causeway Marsh 

 (control) and (b) Bailey Marsh (stressed). 



