Evaluation of harassment of migrating double-crested cormorants to limit depredation on selected sport fisheries in Michigan

• DOI: 10.1016/j.jglr.2010.02.001
• Publication Date: 2010-03-03T10:16:08Z
• Authors: S. Dorr Brian; Ashley Moerke; Michael Bur; Chuck Bassett; Tony Aderman; Dan Traynor; Russell D. Singleton; Peter H. Butchko; Jimmy D. Taylor
• Keywords: Cormorant; Harassment

Abstract Diverse management techniques have been used to mitigate conflicts between humans and double-crested cormorants ( Phalacrocorax auritus ) including harassment methods supplemented by lethal take. In this study we evaluated impacts of programs to harass spring migrating cormorants on the walleye ( Sander vitreus ) fishery in Brevoort Lake and the yellow perch ( Perca flavescens ) and walleye fisheries at Drummond Island. Cormorant foraging declined significantly ( p p