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The effects of ditching operations on the benthic fauna of a stream in an agricultural area of Quebec

, : The effects of ditching operations on the benthic fauna of a stream in an agricultural area of Quebec. Revue des Sciences de l' Eau 4(2): 143-168

A quantitative and qualitative study of the benthos of Ruisseau des Anges (Montcalm County, Quebec), in an agricultural area was undertaken from 1986 to 1988 to evaluate the effects of ditching in 1987. Sampling included upstream zones where the ditching occurred, downstream stations, and control areas. All streams were enriched, particularly in nitrogen, and their benthic fauna was dominated by Tubificidae (Oligochaeta).

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