Rare Features: Excellent Prairie Stream Habitat 



Introduced/F.xotic Species: Black bullhead and green sunfish (rare) 



Overall Ecological Site Condition: Good to Excellent 



Reach Summar> : The 300 m reach consisted of 3 rifTIe/run/pool complexes with full flowing water 

 connectivit\. I he uppermost pool was -30m long and contained the most fish holding habitat. This stream 

 reach has excellent aquatic habitat and a diversity ofmicrohabitats. thus leading to high Ush species 

 diversity ( 1 1 species, 9 native). Pools averaging 20-25m long and 4.5m wide. The first 2 riffle/pool 

 complexes proceeding upstream were the deeper habitat for fish seining, the last pool shallow enough to 

 visibly inspect for fish and amphibians. Spacing between the pools was -20m apart for the bottom 3. and 

 -lOOm from pool 3 to 4. All substrate of the pools was gravel dominated with some silt and cobbles. 

 Aquatic geomorphic features and overhanging banks provided the most significant stream habitat in this 

 reach. Vegetation coverage along the riparian stream channel was dominated by grasses and fulK intact. 

 Livestock use index (LUl) was low with 10 cow pies counted on a 75m walk of both left and right banks. 



Reach Riparian Ranking: BLM= 95.8% (23 of 24) EPA RBP= 94.5 % (189 of 200) 



Reach Riparian Geomorphology: Ihe geomorphology of this stream reach is a Rosgen C-3b with a 

 gentle-medium slope (~l%), moderate sinuosity, a riffle-pool configuration with substrate dominated by 

 cobbles and ranging to gravel-dominated pools. Pools are slightly incised and averaged >40 cm in depth, 

 wetted width of the reach was 8.2. Surrounding bank materials are finer than the channel bed materials. 



Amphibian Community: I adult Woodhouse's toad present along the uppermost pool. 



Fish Community: 12 fish species were seined in the 3 riffle/run/pools. Dominant species were the 

 flathead chubs, plains minnows and sand shiners. Expected fish for this stream type would have been 

 fathead minnows and brook sticklebacks, so the brassy minnows were a nice surprise. 



Fish Community Quality: !BI= 103.6 0/E= 9/7.75 or 116% of the expected fish community. 



Macroinvcrtebratc Community: This community consists of the Filtering Collector. Prairie Stream 

 and Large Prairie River assemblage of macroinvertebrates (#9, 11.37 Stagliano 2005). Over 80% of the 

 indicator species were present in this sample. 



Macroinvcrtebratc Community Quality: MT MMI= 79.7 0/E= >80% 



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