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Revue des Sciences de l'Eau 16:55–77 Lavoie I, Vincent WF, Pienitz R, Painchaud J (2004) Benthic algae as bioindicators of agricultural pollution in the streams and rivers of southern Quebec. Aq Eco Health Mgmt 7:43–58 Lindstrøm EA, Johansen SW, Saloranta T (2004) Periphyton in...