Table of Contents 



IntnxJuction 1 



Methods 4 



Habitat Assessments 5 



Fish Communities 5 



Macroinvertebrate Communities 6 



Results 9 



Habitat Assessment 9 



Fish Communities 11 



Macroinvertebrate Communities 13 



Site Description Summaries 15 



Conclusions 57 



Literature Cited 58 



Appendix A. Raw fish data and IB! metric calculations collected from Slim Buttes Sites. 

 Appendix B. Macroinvertebrate taxa and abundance for the Medium Prairie River (B005) sites 

 Appendix C. Significant indicator species of the macroinvertebrate community groups reported for the 



Slim Buttes Sites. 

 Appendix D. Macroinvertebrate community descriptions (SPA-species assemblage). 

 Appendix E. Fish community descriptions (SPA-species assemblage). 



List OF Figures 



Figure i. Picnic Spring in the Cave Hills, a small Northwestern Great Plains Perennial Spring 1 



Figure 2. The Little Missouri River at the North Dakota border, a Large Prairie River I 



Figure 3. Untiiled landscapes in North America's Great Plains ecoregions 2 



Figure 4. Study Site Locations and Level IV Ecoregions within the NGPS Slim Buttes 



Study Area. SD 3 



Figures. Channel depth measurement as part of the habitat and geomorphic assessments 5 



Figure6. Fish sampling a run by seining with a 20 ft straight seine 5 



Figure 7. A western silver) minnow seined in the Little Missouri River before release 5 



Figure 8. Multi-habitat macroinvertebrate sampling using LPA protocols 6 



Figure 9. Dragonfly observations were made in the stream reach. This is an eight-spotted 



skimmer {Lihellula forcnsis) 8 



figure 10. I he Little Missouri Riversite near Albion. MT 16 



figure 1 1. Little Missouri River (ALS B005) Medium Prairie River habitat near Albion. MT 16 



Figure 12. Little Missouri River (AES B005) cobble/woody debris near Albion, MT 16 



Figure 13. Little Missouri River Site #2 (Al-S BOOS) run/pool habitat near Ladner. SD 18 



Figure 14. Little Missouri River Site #2 (ALS BOOS) sauger (Samler caiuulemis) an SOC 



in MT but not SD IX 



Figure 15. IJttle Missouri River Site #2 (ALS BOOS) goldeyes (Hiocion alosoides) a sensitive 



indicator Medium-Large Prairie Riser fish species 18 



Figure 16. Little Missouri River Site U\ (ALS BOOS) run pool habitat near Camp Crook. SD 20 



Figure 17 Little Missouri RiverSite#l (AES B005)run/p(X)l habitat looking upstream 20 



Figure 18. Little Missouri River Site #1 (AFIS BOOS) cotton wood stand on upper terrace 20 



Figure 19. South Fork Moreau River #3 (AES BOOS) pool habitat, looking downstream near 



Hoover. SD 22 



\ii 



