Patuxent Silt 

 Fuller's Earth 

 Si02<l5/im 

 S1O2 



100 



500 1,000 

 Concentration (mg/l ) 



5,000 10,000 



Figure 11. Reduction in maximum ingestion rate of adult Eupytemora 

 af finis feeding on radiocarbon- labeled Monochrysis 

 tutheri at increasing concentrations of Patuxent River 

 silt. Fuller's earth, Si02, and <15 micrometers Si02. 



27 



