Open Access Thesis
Master of Science (MS)
Steven N. Francoeur, PhD, Chair
Peggy Liggit, PhD
Gary Hannan, PhD
Road salt application and salt-laden run-off are common, yet little information exists about its influence on periphyton. I measured extracelluar enzyme activity and photosynthetic activity of natural winter stream periphyton communities under various short-term laboratory salt exposures. The results of this study suggest that short-term exposure to increased concentrations of salt did not affect extracelluar enzyme activity but could temporarily reduce the photosynthetic activity of the periphyton. Further work will be necessary to understand the longterm effects of increased salt concentrations on periphyton and extracellular enzyme activity.
Cook, Leah, "Effects of road salt on photosynthetic and enzyme activity of stream biofilms" (2012). Master's Theses and Doctoral Dissertations. 410.