(a) Station 68 



5 



% 4 

 >^ 



X 



% 3 



c 



0) 



o 



^ 2 



O 

 (/) 

 0) 



o 



3 



1 - 



DayO 

 Day 1 

 Day 2 

 Day 3 

 Day 4 



Control 



NH4 



N03 



NH4+P 



N03+P NH4+P+SI N03+P+SI 



Tm 



O 

 >^ 



X 



0) 

 •D 



c 



<u 

 o 



c 



0) 



o 



CO 



o 



3 



(b) Station 63 



9 

 ^ 8 

 7 

 6 

 5 

 4 

 3 

 2 

 1 

 



Control NH4 



N03 



P2 NH4+P N03+P NH4+P+SI N03+P+Si Tm 



(c) Station 66 



o 

 >^ 



X 



0) 



(D 

 O 



c 



0) 



o 

 (/) 



0) 



L_ 

 o 



3 



Control 



NH4 



N03 



P2 



NH4+P 



N03+P NH4+P+SI N03+P+SI 



Tm 



Figure 4-14: Results from nutrient amendment bioassays for selected stations: March 7, 1997. Chlorophyll 

 response indicated by fluorescence. Each daily value represents the mean of four replicate samples. 



Chapter Four *■ 



4-15 



