Hannaea 



1032 12th Avenue Helena, MT 59601 (406)443-2196 

 hannaea@montana.com 



Diatom Report 



Staurosirella pinnata 

 Surirella brebissonii 

 Surirella minuta 

 Synedra acus 

 Synedra parasitica 

 Synedra ulna 

 Thalassiosira weissflogii 

 Tryblionella calida 

 Tryblionella hungarica 



2.42 

 0.48 

 0.73 

 0.24 

 1.45 

 1.09 

 0.24 

 0.24 

 0.24 



Diatom Metrics 



Metric 



Valves Counted 



Cells Counted 



Total Number of Species 



Total Number of Species Counted 



Percent Dominant Species 



Shannon's Diversity Index 



Pollution Index 



Pollution Tolerance (% by Category) 



Pollution Tolerance (% by Category) 



Pollution Tolerance (% by Category) 



Siltation Index 



Disturbance Index 



Stability Index 



Percent Epithemiaceae 



Percent Aerophiles 



Percent Centrics 



Motility (% by Category) 



Motility (% by Category) 



Motility (% by Category) 



Motility (% by Category) 



pH (% by Category) 



pH (% by Category) 



pH (% by Category) 



pH (% by Category) 



pH (% by Category) 



Category 



Most Tolerant 



Tolerant 



Sensitive 



Highly Motile 

 Moderately Motile 

 Not Motile 

 Variable Motility 

 Not Classified 

 Acidobiontic 

 Acidophilus 

 Circumneutral 

 Alkaliphilous 



Value 



825 



412.5 



76 



76 



18.42 



5.11 



2.42 



5.94 

 46.18 

 47.88 

 34.55 



0.85 

 38.55 



1.21 

 14.18 



2.18 

 15.76 

 23.39 

 55.39 



4.48 



11.76 







0.24 

 12.12 

 72.85 



Hannaea - Diatom Report 



Page 3 



2/26/03 



