Hannaea 



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

 hannaea@montana.com 



Diatom Report 



Nitzschia reversa 

 Surirella patella 

 Thalassiosira pseudonana 

 Tryblionella apiculata 

 Tryblionella hungarica 



1.12 

 0.25 

 0.5 

 0.12 

 0.25 



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) 



pH (% by Category) 



pH (% by Category) 



Salinity (% by Category) 



Salinity (% by Category) 



Category 



Most Tolerant 



Tolerant 



Sensitive 



Highly Motile 

 Moderately Motile 

 Not Motile 

 Variable Motility 

 Not Classified 

 Acidobiontic 

 Acidophilous 

 Circumneutral 

 Alkaliphilous 

 Alkalibiontic 

 Indifferent 

 Not Classified 

 Fresh 



Value 



804 



402 



34 



34 



46.52 



2.97 



1.85 



16.79 



81.34 



1.87 



93.78 















9.95 



2.74 



82.21 



11.57 



4.85 



1.37 



21.52 











17.54 



60.95 











20.02 



0.5 



Hannaea - Diatom Report 



Page 2 



2/26/03 



