List of Figures (continued) 



Figure 15. Year-to-year changes in numbers of species and numbers 

 of registrations of water birds recorded on June runs 

 of five roadside wildlife survey routes, 

 Circle West study area ^3 



Figure 16. Year-to-year changes in June breeding bird species 

 richness for five roadside wildlife survey routes. 

 Circle West study area 43 



Figure 17. Year-to-year changes in June breeding bird community 

 sigma for five roadside wildlife survev routes. 

 Circle West study area 47 



Figure 18. Year-to-year changes in June breeding bird species number 

 (exclusive of summer visitors and water birds) for five 

 roadside wildlife survey routes. Circle West study area. ... 47 



Figure 19. Year-to-year changes in cumulative May-July species curves 

 for breeding birds encountered on five roadside wildlife 

 survey routes. Circle West study area, 1977-1980 48 



Figure 20. Similarity in percent for 1968-1980 June runs of the 



Circle roadside wildlife survey routes (arrows indicate 



change in observers) 48 



Figure 21. Year-to-year changes in small mammal biomass for six 



habitats sampled in the Circle West study area (control 

 and experimental data are averaged for combined spring- 

 fall data for each habitat) 50 



Figure 22. Year-to-year changes in spring-fall small mammal biomass 

 change for six habitats sampled in the Circle West study 

 area (control and experimental data are averaged for 

 each habitat) 50 



Figure 23. Silver buffaloberry and dendritic coulees 52 



Figure 24. Areas of special concern 53 



Figure 25. Roadside wildlife survey routes and dendritic coulee 



foot transects 56 



Figure 26. Dendritic coulee habitat description data sheet 72 



111 



