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SUMMARY:05/08/25: Spawning and sustenance: exploring two key aspects of Great Lakes fish ecology
DESCRIPTION:Please join us for a Great Lakes Seminar Series – subscribe!\nTime: 11:00am – 12:00pm EDT\nLocation: NOAA Great Lakes Environmental Research Laboratory\, Lake Superior Hall and Virtual\nPresenter: Corey Krabbenhoft\, Assistant Professor\, Department of Biological Sciences\, College of Arts and Sciences\, University of Buffalo\nTitle: Spawning and sustenance: exploring two key aspects of Great Lakes fish ecology\n \nEvent Flyer \nWebinar Recording \nAbout the presentation: Effective conservation of fishes in the Great Lakes basin should consider all aspects of fish life history. In my lab at the University at Buffalo\, we are investigating patterns in multiple species with a focus on reproductive and feeding ecology. Our first story will focus on the native lake trout (Salvelinus namaycush). Lake trout were extirpated from Lake Erie in the 1960s and have been solely supported by stocking in the years since. Recent evidence has shown wild reproduction of lake trout is taking place\, potentially for the first time in decades\, and our work aims to determine the constraints on lake trout recovery to the point of a self-sustaining population. Using the GLATOS telemetry system and site-specific evaluations of lake trout spawning habitat\, we have identified spawning locations and environmental drivers that may help support increased recruitment for this important top predator. Our second story will focus on food web structure of Great Lake tributaries with specific emphasis on the role of the invasive round goby (Neogobius melanostomus)\, which has been altering Great Lakes fisheries for over three decades. We are currently exploring the impact of this established invader on native community food web structure using stable isotope analyses\, and aim to expand on this work to address fundamental questions about the process of invasion in lotic ecosystems with round goby secondary spread as a test case. Overall\, this talk will provide an up-to-date overview of some key players in local aquatic ecosystems\, and set the stage for a way forward for multiple conservation and management concerns basin-wide. \nAbout the speaker: Corey Krabbenhoft is an Assistant Professor at the University at Buffalo in western New York. She received her BS and MS from the University of New Mexico and her PhD From Wayne State University. Her primary research interests center around the response of freshwater communities to environmental stressors including invasive species\, climate change\, water quality\, and water availability. She has worked in the North American Great Lakes for 10 years and has active research on lake trout recruitment\, round goby invasion\, and native mussel conservation. \n**Registration is not required** \n_____________________________________________________\nIMPORTANT VISITOR INFORMATION\nAll seminar attendees are required to receive a visitor badge from the front desk at the NOAA Great Lakes Environmental Research Laboratory facility. Attendees need to present a valid U.S. photo ID or green card. If you are a Foreign National\, we encourage you to attend virtually. For questions regarding building access\, please email Margaret Throckmorton at throckmj@umich.edu. Additional questions? Contact Margaret Throckmorton: throckmj@umich.edu; visit ciglr.seas.umich.edu for more information.
URL:https://ciglr.seas.umich.edu/event/050825-corey-krabbenhoft/
LOCATION:NOAA Great Lakes Environmental Research Laboratory\, 4840 S State Rd\, Ann Arbor\, MI\, 48104\, United States
CATEGORIES:Great Lakes Seminar Series
ATTACH;FMTTYPE=image/jpeg:https://ciglr.seas.umich.edu/wp-content/uploads/2024/11/440-x-400-Corey-Krabbenhoft-1.jpg
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