Primary productivity of Darmasagar lake in Adilabad, Andhra Pradesh, India

Abstract

The present study deals with the primary productivity of Darmasagar lake Adilabad.  The investigation was done from October 2009 to September 2010. The result of the study indicated high levels of primary productivity, especially in September 2010 during the postmansoon period.  The NPP/GPP ratio and respiration in terms of percentage of gross production was also computed.  The productivity pattern in Darmasagar Lake is bimodal with ups in May and September. The magnitude and higher values of primary productivity suggest that Darmasagar Lake in entropic in nature.