Effect of Impoundment and River Diversion on Profundal Macrobenthos of Southern Indian Lake Manitoba

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Authors: Wiens, Allen P., Rosenberg, David M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1984
• Subjects: Aquatic Science; Ecology, Evolution, Behavior and Systematics; Indian; Southern Indian Lake; Churchill; Churchill River
• Online Access: http://dx.doi.org/10.1139/f84-075; http://www.nrcresearchpress.com/doi/pdf/10.1139/f84-075

Profundal macrobenthos in Southern Indian Lake, Manitoba, were surveyed to determine effects of hydroelectric manipulations in 1972 (preimpoundment), 1977 (postimpoundment), and 1979 (postdiversion). Lakewide average standing crops increased following impoundment and decreased by 3 yr after impoundm...