%0 Journal Article %D 2007 %I Begell House %N 2 %P 81-88 %R 10.1615/HydrobJ.v43.i2.90 %T Seasonal Dynamics of Manganese Accumulation in Annual Shell Increments of the Mollusk Unio tumidus (Bivalvia: Unionidae) %U https://www.dl.begellhouse.com/journals/38cb2223012b73f2,0c271c3001085bb9,35b19bc11ac8c621.html %V 43 %X The Mn uptake by the shell of Unio tumidus demonstrated clear seasonal dynamics with maximal accumulation in summer and the least − in winter. The increase of accumulation rate of this element in summer is related to the increased concentration of suspended planktonogenic forms of Mn in the river water. %8 2007-04-05