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Wednesday, January 31 • 11:20am - 11:40am
SYMPOSIA-14: Collaborative Efforts by USFWS Green Bay Leads to Better Management of AIS in Lake Michigan

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AUTHORS. Marian Shaffer, Brandon Harris, Bradley Smith, Cari-Ann Hayer* - U.S. Fish & Wildlife Service


ABSTRACT. The Green Bay Fish and Wildlife Conservation Office Aquatic Invasive Species Early Detection and Monitoring Program for Lake Michigan has a mission to detect new non-indigenous aquatic species. Our goal is to detect species early in the introduction to prevent their spread and establishment. Part of our program is to coordinate, collaborate, and manage invasive species with various tribal, academic, state, and federal agencies, as well as public outreach. This presentation will discuss our various collaborative projects. We recently found a range expansion of invasive Corbicula sp. in Lake Michigan; however they may be limited by overwinter mortality. We collaborated with numerous power plants across Lake Michigan to sample their warm water discharges to determine if they are restricted to warm waters. Additionally, we worked with the Pulliam Power Plant specifically to do some more in-depth sampling for Corbicula sp. We also are collaborating with the Illinois Natural History Survey to provide genetics on our Corbicula sp. to see which form(s) we are collecting. We also partner with USGS in determining age and ploidy of invasive grass carp in Lake Michigan. Furthermore, we monitor for bigheaded carp using eDNA, with the samples being processed by the Whitney Genetics Lab of the USFWS and develop eDNA sampling strategies with state agencies. Ruffe are an invasive species found in Lake Superior and near Escanaba in Green Bay, and we conducted a rapid response exercise in 2015 with several government agencies. In 2016, we developed an outreach program targeting the public, adults and children alike. We took part in sportsman shows alongside WIDNR, presented at the University of Wisconsin-Green Bay, attended kids fishing events, and created an office Facebook page. The numerous collaborations and outreach events we take part in will help us and our partners better manage invasive species throughout Lake Michigan.

Wednesday January 31, 2018 11:20am - 11:40am CST
102A