Figure 2

Temporal patterns at two sites (above Cut = S3, below Baldwinsville = S9) for the Seneca River:
a) SRP above Cut
b) SRP below Baldwinsville
c) T-NH3 above Cut
d) T-NH3 below Baldwinsville
e) Chl above Cut
f) Chl below Baldwinsville
g) SD above Cut
h) SD below Baldwinsville
i) DO above Cut
j) DO below Baldwinsville.
 
Bars represent summertime mean values for individual years; lines depict magnitude of the standard deviation. Time boundary demarcating the occurrence of dense populations of zebra mussels included for reference; "before" is < 1992, "after" is > 1992.