Abstract
Phytoplankton from four stations of a large pond receiving effluents from two textile industries have been investigated. A total of 69 taxa were identified out of which 48 belonged to Chlorophyceae followed by 17 to Cyanophyceae. One species from each of Chrysophyceae, Xanthophyceae, Cryptophyceae and Dinophyceae were also recorded. Oscillatoria limnetica Lemm., Anabaena circinalis Rabenh. ex Born. et Flah., Nostoc commune Vaucher ex Born. et Flah. Ankistrodesmus falcatus var. mirabilis (West & West) Lemm. and Scendesmus spp. were found dominant in all the stations.Keywords: Industrial effluents, Phytoplankton, Taxonomy DOI: 10.3329/bjpt.v15i2.1742 Bangladesh J. Plant Taxon. 15(2): 129-139, 2008 (December)
Highlights
The effluents, discharged in rivers, ponds, lakes, etc., are as varied as the human activities which produce them
In India, aspects of biology of industrial wastewater have been studied by Mohan and Kumar (1990) and Baliarsingh et al (1991)
Phytoplankton from organically polluted ponds were worked out by Islam and Khatun (1966), Islam and Nahar (1967), and Khondker et al (1990), but there exists very little information on qualitative aspects of phytoplankton from the polluted habitats contaminated by industrial wastes
Summary
The effluents, discharged in rivers, ponds, lakes, etc., are as varied as the human activities which produce them. In Bangladesh, a number of research works have been carried out on phytoplankton from a range of habitats and localities (Islam and Begum 1970, 1987, Islam and Irfanullah 2005a, b, c, 2006, Khondker et al 2007a, b). Phytoplankton from organically polluted ponds were worked out by Islam and Khatun (1966), Islam and Nahar (1967), and Khondker et al (1990), but there exists very little information on qualitative aspects of phytoplankton from the polluted habitats contaminated by industrial wastes. The present work has been undertaken to study qualitative account of phytoplankton (excluding members of Bacillariophyceae and Euglenophyceae) from a pond receiving wastewater from two textile industries in Dhaka. Four stations or sampling points, namely S-1, S-2, S-3 and S-4, were selected in the pond for sampling.
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