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Lake Conservation Webinar Series: The hidden role of iron in primary productivity in some Midwest glacial lakes
Iron is the major minor bioessential element, and its bioavailability in aquatic systems is a throttle on primary productivity. I will explore the potential links between our glacial history and the elevated iron contents of some midwestern lakes. Then, we’ll dive below the surface of these lakes to find the iron and discuss how it might affect phytoplankton populations and primary productivity deep below the lake surface.

May 4, 2021 02:00 PM in Eastern Time (US and Canada)

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Betsy Swanner
Associate Professor @Iowa State University
Dr. Swanner is a biogeochemist who is interested in how iron-rich conditions in aquatic systems influence microbial life through Earth history. This generally means working in anoxic waters, where iron is more abundant and where microbes dominate. Her other favorite elements are those that cycle with iron in microbially-driven biogeochemical cycles, and form minerals (Mn, S, Co, Ni, Mo, As….).