Table 5. Modal categories for selected ecological attributes of diatom species in Beaver Creek. 



Ecological Attribute 



# 



Motility^ 



Salinit/ 

 Nitrogen Uptake^ 



Oxygen Demand^ 

 Saprobit/ 



Trophic State 



Variable 



Variable 



^Dr. R. Jan Stevenson, Michigan State University, digital communication. 



''Van Dam et al. 1994 



