Five Northern Michigan Lakes conducted control activities and research during 2017. Higgins Lake, Crystal Lake, Lake Leelanau, Glen Lake and Lime Lake hired contractors to trap and remove mergansers, to study the nesting habits of mergansers, intensively investigate certain areas with persistent swimmer's itch problems, and to develop new methodologies to measure the level of risk of swimmer's itch in a given lake. In addition, two individuals were trained in the trap and relocate techniques, which will increase the number of contractors with the skills necessary to complete these tasks.
In all, 355 mergansers were trapped and relocated. The levels of swimmer's itch in these five lakes should experience significantly less incidents of swimmer's itch next summer
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