Induced Nest Failure As a Mechanism for Controlling Invasive Bass: Insights from an Individual-Based Model

The spread of smallmouth (Micropterus dolomieu) and largemouth bass (Micropterus salmoides) beyond their native range is impacting individual species and entire food webs. Few management options have been tested for invasive bass and those that have tend to be ineffective or inefficient, sometimes even causing an increase in abundance (overcompensation). Our stage-structured matrix model suggested that induced nest failure could be an effective method of reducing bass abundance, particularly when combined with other removal strategies. Using an individual-based model (IBM), we examine effects of induced nest failure on growth, competition, and other factors. The IBM also allows us to more realistically simulate the processes that underlie overcompensation. Our results build upon those from the matrix model, providing a more detailed look into the effects of this potential control method.