Ecology, Environment and Conservation Paper

Vol 23, Sept. Suppl. Issue 2017; Page No.(282-287)

PRODUCTIVITY ANALYSES OF SARDA SAGAR RESERVOIR THROUGH GEOINFORMATICS

Prem Kumar, K.K. Saxena, B.C. Tyagi, N.N. Pandey, Amit K. Saxena, N.A. Ingole and A.K. Singh

Abstract

Present study was carried out on Sarda Sagar reservoir to know the productivity level with in the reservoir in terms of fish production based on physico-chemical parameters of water using remote sensing data. The reservoir has an average water spread area of 4590 hectares, which was computed through remote sensing data of satellite IRS- IC LISS III for the year 2006-2007. Thematic maps of distribution of individual physicochemical parameter of water were prepared using interpolation technique. Criteria based modeling was carried out for optimum range of physico-chemical properties of water those are related to the productivity, decided by the several workers. The modeling intern output of the productive zone an area of 2481 hectare (54%) falls in medium productive and 2109 hectare (46%) of area was found as high productive zone in the reservoir. Considering the level of productivity of reservoir in terms of fish was computed that was almost equal to the present fish production from the reservoir. The study may open the avenues of measuring productivity of the reservoirs for their judicious utilization of fishery resources in the Indian reservoirs.

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