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SUMMARY:05/10/22: Cody Sheik
DESCRIPTION:Please join us for a Virtual Great Lakes Seminar Series presentation:\nTime: 2:00-3:00 pm EST \nLocation: Insight into the past and present cyanobacterial blooms in Lake Superior\nPresenter: Cody Sheik – Assistant Professor\, Swenson College of Science and Engineering\, University of Minnesota-Duluth \nEvent Flyer  \nWebinar Registration: https://register.gotowebinar.com/register/2538719994808348432 \nAbout the presentation: Cyanobacteria are extraordinary chemists that are integral to all surficial water ecosystems. As primary producers\, they provide carbon and oxygen that drives heterotrophic productivity. Furthermore\, the ability of some cyanobacterial species to fix nitrogen gives these groups a multifaceted ecosystem role. However\, cyanobacterial overgrowth\, e.g.\, cyanobacterial blooms\, is increasing in intensity\, duration\, and severity in nearly all freshwater ecosystems. While the lower Laurentian Great Lakes (Lake Erie and Ontario) are prone to toxin-producing cHABs\, Lake Superior\, until recently\, has not seen regular cHAB occurrences. The recent uptick in cyanobacterial blooms is unsettling and may be a harbinger of the changing chemical and physical characteristics of the lake. In my presentation I will talk about the changing nitrogen landscape of Lake Superior and focus on the presence of nitrogen fixing cyanobacterial blooms observed in Lake Superior. \nAbout the speaker: Dr. Sheik received his B.S. in Zoology (2004) and PhD in Microbial Ecology (2011) from the University of Oklahoma. After graduation\, he completed a postdoctoral position at the University of Michigan before coming to UMD in 2015. Dr. Sheik is a geomicrobiologist whose work in aquatic systems is at the intersection of three fields: microbiology\, ecology\, and geochemistry/geology. His lab currently investigates the microbiology of the deep subsurface\, sediments\, surface waters\, and harmful algal blooms. His research seeks to understand how microorganisms mediate biogeochemical cycles\, with emphasis on carbon\, nitrogen\, and sulfur in these disparate ecosystems. \n**Registration is not required** \n_____________________________________________________\nQuestions? Contact Mary Ogdahl: ogdahlm@umich.edu\nVisit ciglr.seas.umich.edu for more information.
URL:https://ciglr.seas.umich.edu/event/051022-cody-sheik/
LOCATION:Virtual
CATEGORIES:Great Lakes Seminar Series
ATTACH;FMTTYPE=image/jpeg:https://ciglr.seas.umich.edu/wp-content/uploads/2021/11/cody-sheik.jpg
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