Biogeochemical migration of metals of the iron group during the peatbog accumulation in the eutrophic marsh of Western Siberia

In a eutrophic marsh. Fe. Mn. Ni. and Co are the elements of moderate biolo gical capture and Cr is the element of weak biological capture. Over the hi story of the peatbog formation migration of elements is determined by the o xidation-reduction zonality of the peatbog thickness, the quality of humous barriers. and the carbonate equilibrium in the stagnant waters. No technog enic degradation of the marshes in the southern taiga of Western Siberia ha s been detected.