Hannaea 



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

 hannaea@montana.com 



Diatom Report 



Tryblionella apiculata 

 Tryblionella calida 

 Tryblionella hungarica 



0.97 

 0.12 

 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) 



pH (% by Category) 



pH (% by Category) 



Salinity (% by Category) 



Salinity (% 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 



Fresh-brackish 



Brackish-fresh 



Value 



826 



413 



70 



70 



14.29 



4.95 



2.46 



4.84 



44.79 



50.36 



24.7 



1.33 



41.53 



5.81 



25.42 



5.08 



13.32 



20.22 



66.34 



0.12 



4.96 







0.73 



14.53 



71.67 



7.99 



0.12 



1.69 



3.27 



86.32 



7.02 



Hannaea - Diatom Report 



Page 3 



2726/03 



