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Title: Water quality of surface runoff from grazed fescue grassland watersheds in Alberta: Journal: Water Quality Research Journal of Canada; Authors: E. Mapfumo, W. D. Willms, and D. S. Chanasyk; Date: 2002; Summary: The quantity and quality of surface runoff water from small foothills watersheds under three levels of grazing pressure (ungrazed-5 years of rest, heavy-2.4 AUM/ha, and very heavy-4.8 AUM/ha) were examined in the fescue grasslands in the Porcupine Hills of southwestern Alberta, Canada. The potential risk of surface water contamination in adjacent reservoirs was also investigated. Runoff samples were collected between May and September and analyzed for nitrate, orthophosphate, ammonia, total dissolved solids (TDS), electrical conductivity (EC), pH, total carbon, total N, organic C, pathogenic o ...; Agrovoc Control Words: Water quality, Grazing, Runoff; View more details about this article