MELIMEX,an experimental heavy metal pollution study: Behaviour of heavy metals in an aquatic food chain |
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Authors: | Dr René Gächter Dr Wolfgang Geiger |
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Institution: | (1) Present address: Swiss Federal Institute for Water Resource and Water Pollution Control (EAWAG) at Swiss Federal Institutes of Technology (ETH), CH-6047 Kastanienbaum, Switzerland |
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Abstract: | Phytoplankton, periphyton and zooplankton samples, chironomid andSialis sp. larvae, and fry of trout and bream collected from unpolluted and artificially metal-polluted limno-corrals were analyzed
for mercury, copper, cadmium, zinc and lead. The results indicate that these metals are not accumulated through the food chain
and suggest that increased metal concentrations in the environment favor the growth of phytoplankton organisms with a low
metal sorption capacity. |
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Keywords: | |
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