Refining and testing a trace metal biomonitor (Chaoborus) in highly acidic lakes

Article Abstract:

Biomonitor organisms can be utilized to measure bioavailable contaminant concentrations given that a reliable model is established between organism and environmental contaminant concentrates. A recently suggested model intended to relate Cd concentrations in a suggested biomonitor, the Chaoborus insect, is examined to free cadmium ion concentrations, in lakes. In highly acidic metal-contaminated lakes, Cd concentrations in the biomonitor appear to be depressed even with the usually high Cd2+concentrations in these lakes.

Basic Chemical Manufacturing, Industrial Organic Chemicals, Organic Chemicals, Environmental aspects, Insects, Metals, Metals (Materials), Organic compounds, Organic water pollutants, Organic water pollution

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Accumulation of Heavy Metals by Individually Analyzed Bacterial Cells and Associated Nonliving Material in Polluted Lake Sediments

Article Abstract:

Researchers in Canada used energy-dispersive X-ray microanalysis and transmission electron microscopy to investigate the accumulation of Cu and other heavy metals in bacteria residing within polluted lakes in Northern Ontario.

Canada, Science & research, Waste Management and Remediation Services, Ontario, Nonferrous Metals, Primary Metal Manufacturing, Water Pollution, Primary Nonferrous Metals, Primary copper, Copper, Primary Smelting and Refining of Copper, Water Pollution NEC, Statistical Data Included, Measurement, Metal products, Pollution, Bacteria, Copper products, Heavy metals

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