Habitat and Environment Symposium William Matthews – Fishes of a Heavy Metal Contaminated Stream (Tar Creek, Ottawa County, Oklahoma) after Operation of a Passive Treatment System Ryan A. McManamay – A Simple Optimization Tool to Prioritize Barrier Removal in Streams: Implications for Convergence Among Divergent Conservation Objectives Tiffany Vidal – Demographic Structure Influences How Environmental Forcing Affects Alewife Recruitment in Lake Michigan