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A Population Survey And Foraging Analysis Of The Double-Crested Cormorant (Phalacrocorax Auritus) On The Santee Lakes, South Carolina, Adam Kelley
All Theses
This study was designed to determine whether Double-crested cormorants (Phalacrocorax auritus) were having an impact on the Santee lakes fishery for Striped bass (Morone saxatilis). I surveyed the lakes' population in the summer of 2007 and winter of 2008 to determine population levels and 76 birds were necropsied in order to determine foraging preferences. Summer populations were estimated at 203 birds and winter at 6000. Clupeids (primarily Gizzard, Threadfin, and American shads) made up the bulk of the diet in both seasons with an overall percentage of 86.19%. No bass of any size or species were found in the stomachs …