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Evaluating Chemical Deterrence At Two Spatial Scales: The Effectiveness Of Chemical Deterrence For Sandhill Cranes In Cornfields, Anne E. Lacy, Jeb A. Barzen
Evaluating Chemical Deterrence At Two Spatial Scales: The Effectiveness Of Chemical Deterrence For Sandhill Cranes In Cornfields, Anne E. Lacy, Jeb A. Barzen
Proceedings of the North American Crane Workshop
From 2006 through 2008, 9,10 anthraquinone (sold as Avitec™) was used as a deterrent on planted corn seed in Minnesota, Wisconsin, and Michigan. ICF conducted field trials in Wisconsin to determine efficacy of Avitec™ to repel sandhill cranes (Grus canadensis) from germinating corn. We assessed crane use at 2 levels: between and within habitats by crane population surveys to determine crane use of fields, and corn density surveys to assess possible damage within fields. In addition, corn seed samples were taken to assess amount of active ingredient on treated corn seeds in the ground. In 2008 the concentrations …