Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 15, Issue 3, 2013; Page No.(507-510)

DIATOMS AS INDICATORS OF TROPHIC STATUS IN HIMAYATSAGAR LAKE, HYDERABAD, INDIA

K. NAVATHA AND P. MANIKYA REDDY

Abstract

Fresh water algae are among the most diverse and ubiquitous organisms on earth. They occupy an enormous range of ecological conditions from lakes and rivers, wetlands etc. Algae in fresh waters have numerous environmental functions and based upon the recycling of nutrients. The paper presents data on the diatom diversity of fresh water lake, Himayat sagar lake of Hyderabad which serve as drinking water. The study reveals physico - chemical parameters and their relation to the growth and distribution of diatom population have been evaluated by standard procedures. Bacillariophyceae members were dominated by, Cymbella, Gyrosigma, Navicula, Pinnularia, Amphora, Gomphonema and Rhopalodia. The main objectives of this study is to find out the nature and quality of water and the role of diatoms. *Corresponding

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