Western Maine Audubon will be presenting the first of its fall talk series on Wednesday, September 8 at 7 pm. “What You Should Know About the Threat of Aquatic Invaders in Maine,” will be presented by Roberta Hill, Invasive Species Program Director for Lake Stewards of Maine. In this talk, Roberta will address the following questions and more: What makes an organism invasive? What threats do invasive organisms pose to Maine’s native ecosystems? How do invasive aquatic species impact humans? What are the drivers behind introduction of invaders to Maine and the vectors exacerbating their spread within the state? What