Aquatic Macroinvertebrate Data: CORRAL CREEK at mouth of headwaters. July 19, 1995. 



% of sample used: 



29 



Subsample size 



271 



Taxa richness 



EPT richness 



Biotic index 



% Dominant taxon 



% EPT 



% Collectors (g+f) 



% Scrapers + Shredders 



% Hydropsychinae of Trich 



Metals tolerance index 



Shannon Diversity (log2) 



EPT/Chironomidae 



CTQa 



%Baetidae of Ephemeroptera 



14 



9 

 3.31 



63 



30 



79 



21 







1.80 



1.91 



81.00 



61.43 



16 



% Coleoptera 

 % Diptera 

 % Chironomidae 

 % Ephemeroptera 

 % Plecoptera 

 % Trichoptera 



<1 

 63 

 <1 

 28 



1 



1 



% multivoltine 

 % univoltine 

 % semivoltine 



4 



96 



I 



Functional Feeding Grp. 



%RA 



# taxa 



Filterers 



Collector-Gatherers 



Shredders 



Scrapers 



Predators 



Est. total number of organisms 

 Est. number collected per foot 

 Est. number collected per minute 



A-5 



