HEAVY METAL STATUS OF WATER HYACINTH (Eichornia crassipes) IN WARRI RIVER, NIGERIA Pages: 131-136 Excellence A. Okonkwo, Godswill O. Tesi, Ogbuta A. Anthony, Patience O. Agbaire and Godwin E. Nwajei
keywords: Water hyacinth, Warri River, heavy metal, Eichornia crassipes