Linkage
of Bioaccumulation and Biological Effects to Changes
in Pollutant Loads in South San Francisco Bay by Michelle Hornberger,
Samuel Luoma, Daniel Cain, Cynthia Brown, Robin Bouse,
Francis Parchaso, Christopher Wellise, and Janet Thompson
Figure
1 Total Annual Loads of Cu and Zn. Although
the total volume of effluent remained relatively constant
through time, Cu loads decreased through time. Very
little change in Zn loads occurred during the study
period. (Note: Ag loads not quantified during early
phase of study.)
Figure
2 Coper Loads and Copper in Macoma balthica.
Decreases in metal concentration in clams correspond
to the plant improvements, through 1988-91.