Research Papers

Spatial quality improvement of a toxic industrial effluent, based on physico-chemistry, algal community changes and algal bioassay

Published in: African Journal of Aquatic Science
Volume 39 , issue 1 , 2014 , pages: 1–16

DOI: 10.2989/16085914.2013.870524

Author(s): MI Abdel-Hamid Botany Department, Egypt , EI Abdel-Aal Botany Department, Egypt , YA Azzab Botany Department, Egypt

Keywords: ammonia toxicity , indicator species , periphyton , phytoplankton indices

Download full text Get new issue alerts

Abstract

Spatial recovery of a highly alkaline and ammonia-rich industrial effluent was assessed along a wastewater receiving drain near Mansoura City in 2006. Spatial changes in physico-chemical characteristics and water quality index indicated a progressive downstream improvement of wastewater quality, and EC50 values revealed a downstream reduction in effluent toxicity. The diversity index and biomass development of Pseudokirchneriella subcapitata alga gave qualities congruent with those revealed by the physico-chemical characteristics.

« Detection of land cover changes around Lake Mutirikwi, Zimbabwe, based on traditional remote sensing image classification techniques

Chironomid distribution along a pollution gradient in Ethiopian rivers, and their potential for biological water quality monitoring »