IDENTIFICATION OF ALGAL FLORA AND EVALUATION OF PHYSICOCHEMICAL STATUS OF SEWAGE DRAIN IN SAMANABAD LAHORE PAKISTAN
Journal Title: Environmental Contaminants Reviews - Year 2019, Vol 2, Issue 1
Abstract
The present study conducted in 2015-2016 focused on the identification and classification of algal flora in relation to physicochemical parameters of sewage drains in Samanabad, Lahore, Pakistan. Three sites were selected along this drain for the collection of algae and water samples, each 1 km apart. Total 25 species of algae were identified belonging to 14 genera. The kingdom Monera included genera Gloeocapsa (4%), Oscillatoria (16%), Arthrospira (8%) and Navicula (8%), Nitzschia (12%), Pinnularia (4%), Cyclotella (4%) and Tetraedron (4%). The kingdom protoctista included these genera i.e. Ulothrix (12%), Schizomeris (4%) and Microspira (8%). These genera represent the 4 phyla, Cyanophycota, Bacillariophyta, Volvocophycota and Chlorophycota. Eight species of algae were identified from site 1, Gulshan-e-Ravi drain, 12 from site 2, Nonarian and 5 from site 3, Babu saboo Interchange. The physical parameters included EC, pH, temperature of water and air while determined chemical parameters were Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD). Maximum number of algal species (12) were identified from site 2, which had highest BOD. The site 2 had lowest pH (7.0), lowest EC (8.7µsm-1) but highest temperature (28oC). All these parameters seemed to be suitable for the gravity of maximum number of algal species.
Authors and Affiliations
Rubina Altaf, Seemal Vehra Ejaz, Shamim Umer, Sikandar Altaf
Keywords
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- EP ID EP664972
- DOI 10.26480/ecr.01.2019.14.18
- Views 113
- Downloads 0
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