Abstract
The distribution of manganese, iron, and zinc in sediments, water, and in six species of polychaetous worms is described for the Newport River estuary near Beaufort, North Carolina. Concentrations of manganese, iron, and zinc in 0.1 N HCl extracts of sediment samples collected monthly from three stations for 2 years varied with element, location, time, and sediment type. At each station, iron was the most abudant element present in the 0.1 N HCl extracts and zinc was the least abundant. The concentrations of all three elements in the sediments decreased in a seaward direction. There were definite temporal fluctuations in the concentration of these metals in the sediment, although no seasonal trend was evident. In addition, muddy sediments contained higher concentrations of trace metals than sandy sediments.
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