The aquatic species _Ceratophyllum demersum_ and _Myriophyllum spicatum_ were grown in different Cd concentrations (0, 25, 50, 75 mg/l) in a hydroponic system to analyze their detoxification capacity and the suitability of pigments and proline content to serve as biomarkers. Both studied species exhibited the same increasing pattern of Cd removal, when they treated with different Cd concentrations._ M. spicatum ...
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