William J. Warren-Hicks

Comparison of Population Estimates on a Known Largemouth Bass Population

Population estimates were calculated for a known young-of-the-year (Y-O-Y) largemouth bass (Micropterus salmoides) population in a Piedmont North Carolina pond. Bass were collected by electrofishing for 6 consecutive nights. Estimates were derived using capture-recapture (Chapman, Chapman modified Peterson, Schnabel, and Schumacher-Eschmeyer) and removal (Leslie and DeLury) methods. Accuracy and bias of population estimates for each method were assessed from a statistical framework. All methods gave negatively biased estimates. Schumacher-Eschmeyer and DeLury exponential catchability...