After The Flood: A Follow Up on the Trophic State of Lake Blackshear, Georgia

Proceedings of the 2003 Georgia Water Resources Conference, held April 23-24, 2003, at the University of Georgia.Chlorophyll a based trophic state conditions during the summer in Lake Blackshear in 2001 were compared to pre-flood conditions of 1992. Median values were similar in the transition zone but lower in the middle and lower portions of the reservoir. It is not possible to determine whether lower chlorophyll a values in 2001 represent a change in lake productivity following the flooding event or simply reflect low flows during severe drought. Phytoplankton growth in the lake did not achieve the potential level predicted by nutrient concentrations or lake transparency