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Spatial and seasonal variation of major cation and selected trace metal ion concentration in the Okavango-Maunachira-Khwai channels of the Okavango delta
(Botswana Society, 2005)
The concentration of the metal ions Na, K, Ca, Mg, Zn, Cu, Mn, Co, Fe, Cr, Ni, and Pb were
determined in water samples of the Okavango Delta’s panhandle - Maunachira-Khwai water system during periods of high (June 2004) ...