LIST OF TABLES AND FIGURES (continued) 

 Table Page 



12 Instreatn flow recommendations (cfs) for German Gulch at the 

 Below Beef straight Creek study site compared to the 10th, 



50th and 90th percentile monthly flows (cfs). 38 



13 Means, ranges, and standard deviations of chemical and 

 physical parameters for German Gulch Creek, Montana (samples 

 collected on July 18, August 6, and September 4, 1984). 39 



14 Concentrations of chlorophyll a, b, and c (ug/cm~) for 



three locations in German Gulch Creek, July 18, 1984. 40 



15 Floral richness and Shannon-Wiener diatom diversity 

 characteristics of natural substrate periphyton scrapings 



from three locations on German Gulch Creek, July 18, 1984. 41 



16 Analysis of macroinvertebrate species richness (numbers of 

 separable taxa) observed at the Upper, Middle and Lower 



sample sites on German Gulch Creek in May and August, 1984. 42 



17 Analysis of aquatic macroinvertebrate abundance in square 

 foot samples collected at the Upper, Middle and Lower 



sample sites on German Gulch Creek in May and August, 1984. 42 



18 Systematic checklist and distribution among sample sites 

 (Upper, Middle and Lower) of aquatic macroinvertebrates 

 collected from German Gulch Creek in May and August, 1984. 43 



19 Numbers of macroinvertebrates collected per square foot 

 Surber sample from the Upper Site on German Gulch Creek 



in May and August, 1984. 46 



20 Numbers of macroinvertebrates collected per square foot 

 Surber sample from the Middle Site on German Gulch Creek 



in May and August, 1984. 48 



21 Numbers of macroinvertebrates collected per square foot 

 Surber sample from the Lower Site on German Gulch Creek 



in May and August, 1984. 50 



Figures 



1 Map of German Gulch. 52 



2 The relationship between wetted perimeter and flow for a 

 composite of five riffle cross-sections in Cerman Gulch 



below the confluence of Beefstraight Creek. 53 



3 The relationship between wetted perimeter and flow for a 

 composite of five riffle cross-sections in German Gulch 



below the confluence of Edward Creek. 54 



-iv- 



