Metals in the water, sediments, and biota of the Haw and New Hope Rivers, North Carolina
作者： Mark S. Shuman , Cathy L. Haynie , Leonard A. Smock
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摘要: Neutron activation analysis was used to investigate the concentrations of Co, Cr, Fe, K, Mn, Na, Sb, Sc and Zn in filtrable (<0.45 micrometer), suspended particulate sediment phases as well benthic macroinvertebrates two central North Carolina river systems. Data collected provided information on partitioning metals among these abiotic biotic phases. from importance feeding habits, species, organism size metal-metal metal-sediment interactions metal organisms. Suspended matter generally had highest concentrations. Filtrable least spatial temporal variation while greatest variations. Incorporation into Fe Mn oxides most important mode transport under polluted low flow conditions crystalline minerals control high conditions. concentration factors macroinvertebrates.
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