Figure 4: Total microbial biomass in the organic layer of soil (0-5 cm) from the GSR in from GSR, Canada, analyzed using phospholipids fatty acid (PFLA). Means (┬▒SE) are given (n=3). Eroded/Disturbed sites: Airport, Wahnapitae Hydro-Dam and Kelly Lake; Stable upland sites: Kingsway, Kukagami and Laurentian; Reference sites: Onaping Falls, Capreol and Hagar.