Table 4. Relative abundance of cells and ordinal rank by biovolume of diatoms (Division Bacillariophyta) ^k 



and genera of non-diatom algae in periphyton samples collected from the Big Hole River TMDL ^^ 



Planning Area in 2003: d = dominant, a = abundant, f = frequent, c = common; o = occasional; 

 r = rare. 



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