Pistia stratiotes L. in Nigerian waters |
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Authors: | M K C Sridhar B M Sharma |
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Institution: | (1) Department of Preventive and Social Medicine, University of Ibadan, Ibadan, (Nigeria);(2) Department of Botany, University of Ibadan, Ibadan, (Nigeria) |
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Abstract: | Summary
Pistia stratiotes L., a perennial water weed found in natural water bodies in Nigeria, removes organic and inorganic nutrients as it grows and spreads in the waters. In a lake which received a variety of pollutants, the plant reduced oxidizable organic matter (4-h permanganate value) by 61%, the biochemical oxygen demand by 85.3%, ammonia nitrogen by 95.3% and water soluble phosphorus by 85%. The plant also removed other mineral matter. |
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