e-ISSN 2231-8542
ISSN 1511-3701

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Selected Aquatic Vascular Plants as Biological Indicators for Heavy Metal Pollution

Low Kun She, Lee Chnoong Kheng and Tan Swee Hain

Pertanika Journal of Tropical Agricultural Science, Volume 7, Issue 1, April 1984

Keywords: Aquatic plants; Ottelia alismodes; Fimbristylis pauciflora; B ly xa malayana; Fimbristylis, acuminate, Hydrostemma motley, Hydrilla veirticillate, heavy metal.uptake pollution, indicator

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Concentrations of zinc, copper, cadmium, lead, nickel, iron and chromium in fiv e submerged plants are presented. Metal en richmen t was found to be dependent on the p la n t species and metal type. The uptake of copper, zinc, cadmium, chromium and nicke l from n u tr ien t solutions enriched with these metals using Ottelia alismoides Pers., Fimbristylis pauciflora FT. Br. and Blyxa malayana Ridley was studied. All plants demonstrated the ability to remove copper, zin c and cadmium more rapidly than chromium and nickel. Metal accumulation was a direct function of the exposure level and varied with the plant species. The possible use of Ottelia alismodes and Fimbristylis pauciflora as biological indicators o f water pollution is also discussed.

ISSN 1511-3701

e-ISSN 2231-8542

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