JEQ -- Malecki et al. 33 (4): 1545 Figure IG4

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Fig. 4. Changes in ammonium concentration of the water column under (a) anaerobic and (b) aerobic conditions from sediment cores of Beauclair Bluff (BB), Doctors Lake (DL), Collee Cove (CC), and Racy Point (RP) (n = 3 per site).