Int.J.Curr.Microbiol.App.Sci (2018) 7(10): 3615-3631 3615 Original Research Article https://doi.org/10.20546/ijcmas.2018.710.419 Study of the Physico-Chemical Parameters from the Baigul Reservoir of Distt - Udham Singh Nagar, Uttarakhand, India Uday Singh Majhi 1* , A.K. Upadhyay 1 and Shubham Varshney 2 1 Department of Fisheries Resource Management, College of Fisheries, G. B. Pant University of Agriculture & Technology, Pantnagar – 263145, India 2 ICAR - Central Institute of Fisheries Education, Mumbai – 400061, India *Corresponding author ABSTRACT Introduction The fisheries sector contributes to the national income, exports, food and nutritional security and employment generation. As per the estimates of the Central Statistical Organisation of the Government of India, the total fish production during 2011-12 is at 8.67 million tonnes with a contribution of 5.30 million tonnes from inland sector and 3.37 million tonnes from marine sector respectively. In same year fisheries sector contributes 4.47 per cent to the agricultural GDP and 0.78 per cent to the total GDP (DAHD&F, 2013). During 2013-14, the volume of fish and fishery products exported from India was 9, 83756 tonnes worth 30, 213.26crores and during 2013-14 for the first- time export earnings have crossed USD 5 Billion (MPEDA, 2014). The reservoirs can play a vital role in increasing fish production of the country, provided these vast resources are developed for fisheries on the scientific lines. Reservoirs are not only one of the most potential fishery resources for future fisheries development but will play pivotal role man power resources development and management for generating the source from employment of India Vass International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 Volume 7 Number 10 (2018) Journal homepage: http://www.ijcmas.com The present study was undertaken to collect baseline data on the Physico-chemical parameters from the Baigul reservoir of district - Udham Singh Nagar, Uttarakhand located in the Tarai region of Uttarakhand. The ecology of reservoir plays a vital role in biological productivity. The nutrient status of water and soil plays the most significant role in governing the production of planktonic organisms. Various physical factors of water, such as temperature and light, play important role in metabolic activities in the water bodies while chemical characteristics such as pH, dissolved gases, carbonates and bicarbonates, nitrogen, phosphorus, silicon, calcium, magnesium, iron, chloride etc. largely govern their productivity. Thus, above said parameters were recorded from June 2014 to May 2015. Both lotic and lentic sites were selected for the study. Differential analysis was also drawn on the basis of diurnal variation, monthly variation. Analysis was also drawn on the basis of sampling sites. Keywords Reservoir, Dissolved oxygen, pH, Diurnal, Titration, Physical factors Accepted: 26 September 2018 Available Online: 10 October 2018 Article Info