Appendix B-l. Estimated relative abundance of algal cells and 

 rank by volume of diatoms and genera of non-diatom algae in a 

 periphyton sample collected from the Redwater River below the 

 Circle STP in May 1999. Replicate analyses of the same sample 

 by Loren Bahls, Hannaea, and Erich Weber, PhycoLogic . R = rare, 

 C = common, VC = very common, A = abundant, VA = very abundant. 



Taxa Hannaea PhycoLogic 



Chlorophyta 



Closteriurn R 



Enteromorpha VA(1) 



Oedogonium R 



Rhizoclonium A(3) A(3) 



Scenedeswus C(4) 



Schizomeris VA(1) 



Chrysophyta 



Diatoms VA(2) VA(2) 



Vaucheria C(4) 



