Impact of Thanneermukkom regulator on accumulation of heavy metals in the wetlands of Kuttanad
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Date
1997
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Publisher
Kerala Agricultural University
Abstract
Accumulation of heavy metals in the wetland ecosystem of Kuttanad and their variation in
accordance with the opening and closure of Thanneermukkom Regulator constructed for the prevention of
saline water entiy into Kuttanad were evaluated. Fe and Al arc present in toxic quantities and their
concentration increased during summer season which coincides with the closure of the regulator, to a level
sufficient to create severe crop damage. The area has excess quantity of Mn and there is no deficiency of
Ou and Zn. The water of the area is highly contaminated with heavy metals like Fe. Mn and Al. Toxic heavy
metals like Cd and Pb were not detected in water.
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Citation
Journal of Tropical Agriculture, 35(1), 26-29.