). Identification Of Algal Flora And Evaluation Of Physicochemical Status Of Sewage Drain In Samanabad Lahore Pakistan

Rubina Altaf (), Seemal Vehra Ejaz, Shamim Umer, Sana Zulfiqar () and Sikandar Altaf
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Rubina Altaf: Institute of Agricultural Bio-Environmental Engineering, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
Seemal Vehra Ejaz: Department of Botany, Postgraduate College for Women Samanabad, Lahore Affiliated to Lahore College for Women University, Lahore Pakistan
Shamim Umer: Department of Botany, University of Agriculture Faisalabad, Punjab 38000, Pakistan
Sana Zulfiqar: Department of Environmental Sciences, Fatima Jinnah Women University, Rawalpindi Pakistan
Sikandar Altaf: Institute of Environmental Science and Engineering, School of Civil and Environmental Engineering, National University of Science and Technology H-12 Islamabad, Pakistan

Environmental Contaminants Reviews (ECR), 2019, vol. 2, issue 1, 14-18

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.

Keywords: Algal flora; Lahore; Physico-chemical parameters; BOD; Temperature (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnecr:v:2:y:2019:i:1:p:14-18

DOI: 10.26480/ecr.01.2019.14.18

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