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DTSTART;TZID=America/Chicago:20260223T150000
DTEND;TZID=America/Chicago:20260223T155000
DTSTAMP:20260220T202217Z
CREATED:20260220T201521Z
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SUMMARY:Freshwater Colloquium – Agricultural Contamination in Groundwater: The Case of Nebraska
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Harshanee Jayasekera\, PhD \nAgricultural production plays a central role in Nebraska’s economy but also poses persistent risks to groundwater quality\, particularly through nitrate contamination. Because a large majority of Nebraskans rely on groundwater for drinking\, understanding the effectiveness of groundwater protection policies is critical for environmental sustainability and public health in the state. I (and co-authors) examine agricultural contamination in Nebraska with a focus on evaluating the impact of policy measures such as Wellhead Protection Areas (WPAs) and the Conservation Reserve Program (CRP) on groundwater quality. Using comprehensive data from the Nebraska Groundwater Quality Clearinghouse (1996–2019)\, comprising over two million nitrate observations from approximately 33\,000 wells\, we provide evidence of statistically and economically meaningful reductions in groundwater nitrate concentrations associated with these policy interventions. Our main finding is that improvements in water quality materialize gradually\, often unfolding over decades rather than years. These results underscore the importance of long-term monitoring systems and sustained policy commitment when addressing nonpoint-source agricultural pollution. \nHarshanee Jayasekera is an interdisciplinary social scientist whose work focuses on groundwater quality management and long-term sustainability. Her research examines the intersection of groundwater quality and agriculture\, with particular attention to how policy and management decisions shape long-term resource outcomes. Through her research and outreach\, she supports evidence-based groundwater management strategies that balance agricultural productivity with environmental quality. She works extensively on groundwater sustainability issues in Nebraska\, providing insights to inform decision-making at local and state levels. Her current projects examine the long-term policy implications of agricultural land retirement on nutrient pollution in Nebraska\, the effectiveness of wellhead protection areas in improving groundwater quality\, and the human health impacts of environmental exposures in agricultural regions. \nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-agricultural-contamination-in-groundwater-the-case-of-nebraska/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260306T103000
DTEND;TZID=America/Chicago:20260306T140000
DTSTAMP:20260310T203619Z
CREATED:20260126T223455Z
LAST-MODIFIED:20260310T203619Z
UID:10000168-1772793000-1772805600@uwm.edu
SUMMARY:UWM School of Freshwater Sciences Networking & Career Fair
DESCRIPTION:Join us for the Spring 2026 Freshwater Sciences Networking & Career Fair!\nThe event will be held on Friday\, March 6 from 10:30am-2pm at the School of Freshwater Sciences\, Great Lakes Research Facility in Milwaukee\, WI. \nWhy attend?\n\nExplore the vast landscape of water-related career paths.\nNetwork with professionals and build relationships that could open doors for future opportunities.\nLearn about internships\, part-time\, and full-time job opportunities.\n\nAgenda\n\n10:30am-11am: Student Meet-and-Greet\n11am-12pm: Water Professional Panel Discussion\n12pm-2pm: Water Professional Networking Event\n\nIf you have any questions please contact Aaron Thiel\, thiela@uwm.edu. \nRegister to attend on Handshake. \nFull details are on our website.
URL:https://uwm.edu/freshwater/event/school-of-freshwater-sciences-career-networking-fair-2/
LOCATION:Great Lakes Research Facility\, 600 E Greenfield Ave\, Milwaukee\, 53204\, United States
CATEGORIES:Alumni & Community,Career and Leadership Development,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2026/01/career-fair-event-header.jpg
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DTSTART;TZID=America/Chicago:20260309T150000
DTEND;TZID=America/Chicago:20260309T155000
DTSTAMP:20260303T173248Z
CREATED:20260303T173248Z
LAST-MODIFIED:20260303T173248Z
UID:10000170-1773068400-1773071400@uwm.edu
SUMMARY:Freshwater Colloquium – Social-ecological science to inform climate adaptation in recreational fisheries
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Dr. Zach Feiner \nClimate change is rapidly changing important recreational fisheries in the Upper Midwest. Combining insights about the ecological impacts of climate change on fish populations with a new understanding of how anglers will respond to those changes could offer new avenues for adaptation. This talk will present case studies for each facet of climate adaptation\, including climate effects on fish spawning phenology\, the importance of changing angler behavior for fishery outcomes\, and new frameworks for management and policy.  \nZach Feiner is a research scientist with the Wisconsin Department of Natural Resources and UW-Madison Center for Limnology. He earned his BS in Zoology from UW-Madison\, MS in Zoology at North Carolina State University\, and completed his PhD and postdoc in Fisheries and Aquatic Sciences at Purdue University before returning to Wisconsin in 2018. His research focuses on inland freshwater ecosystems\, including the impacts of anthropogenic effects like climate change\, harvest\, and angler behavior on the function of aquatic ecosystems.  \nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-zach-feiner/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20260330T150000
DTEND;TZID=America/Chicago:20260330T155000
DTSTAMP:20260316T152347Z
CREATED:20260310T164655Z
LAST-MODIFIED:20260316T152347Z
UID:10000171-1774882800-1774885800@uwm.edu
SUMMARY:Freshwater Colloquium – Currents of Life: How Flow Shapes  Complex Microbial Communities
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Dr. Emmi Mueller \nMuch of life on Earth is at the mercy of currents and flow\, which determine the organisms and resources present in an environment. In aquatic ecosystems\, these currents shape the ecological and evolutionary trajectories of the diverse microbial communities that inhabit them. In this presentation\, I will discuss how microbial communities in both natural and man-made water systems are shaped by physical flow\, specifically variation in residence time\, or the time organisms and resources spend in a system. I will also discuss how these systems are shaped by the flow of energy\, such as through variation in metabolic activity and functions like antibiotic resistance\, focusing on how this knowledge may shape management of these systems from an ecosystem and human health perspective.  \nDr. Emmi Mueller is a Postdoctoral Research Associate in the Newton Lab in the School of Freshwater Sciences. She earned her Ph.D. in Evolution\, Ecology\, and Behavior from Indiana University\, where her doctoral research focused on the importance of residence time and metabolic heterogeneity in structuring lake microbial communities. Her current role in the Newton Lab focuses primarily on understanding changes in antimicrobial resistance gene variants over time in wastewater and natural water systems. \nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-currents-of-life/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260406T150000
DTEND;TZID=America/Chicago:20260406T155000
DTSTAMP:20260331T182726Z
CREATED:20260331T182704Z
LAST-MODIFIED:20260331T182726Z
UID:10000174-1775487600-1775490600@uwm.edu
SUMMARY:Freshwater Colloquium – Restoration and Conservation of an Ancient Species\, the American Paddlefish
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Dr. Jim Long \nAcipenseriformes\, including American Paddlefish (Polyodontidae\, Polyodon spathula) represents an ancient lineage of fish\, with representatives found back approximately 200 MYA. American Paddlefish is the only remaining extant species of its family\, since the recent extinction of the Chinese Paddlefish (Psephurus gladius). American Paddlefish occur in North America and are large-bodied (> 2 m total length [TL])\, potamadromous\, and have fertilized eggs that stick to hard substrates with pelagic larvae that develop while drifting and moving downstream. Overharvest and habitat fragmentation has reduced Paddlefish populations across its range\, including Oklahoma. In Oklahoma\, restoration efforts have returned the species to former parts of its range\, but factors associated with restoration success have just begun to be assessed. Since 2019\, I have been working with state and federal conservation partners to examine factors associated with Paddlefish restoration success including the development of novel monitoring techniques that include the use of side-scan sonar. Suitable substrate availability does not appear to limit Paddlefish reproduction\, but excessively turbid waters in spawning and rearing environments may. Side-scan sonar is an accurate tool for assessing abundance and can be used to monitor spring spawning movements. Further\, side-scan sonar appears to be a useful monitoring method to identify early age classes of fish.  \nJim Long grew up in the Ozarks of southwest Missouri and received a PhD from Oklahoma State University in 2000. Afterward\, he went to South Carolina as a Fisheries Research Biologist investigating fish community structure in tidal freshwater wetlands. From 2002 to 2009\, Jim worked with the National Park Service as the Fishery Biologist for the southeast region. In 2009\, Jim moved back to Oklahoma as an Assistant Unit Leader and become Unit Leader in 2016. Jim’s research focuses on management-driven questions related to the process of fisheries management\, social dimensions\, early-life history of fishes\, and effects of invasive species on aquatic communities.  \nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-restoration-and-conservation-of-an-ancient-species-the-american-paddlefish/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20260413T150000
DTEND;TZID=America/Chicago:20260413T155000
DTSTAMP:20260331T183657Z
CREATED:20260331T183035Z
LAST-MODIFIED:20260331T183657Z
UID:10000175-1776092400-1776095400@uwm.edu
SUMMARY:Freshwater Colloquium – From Weather to Paleo:  Capturing the Continuum of Climate Variability
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Dr. Raphaël Hébert \nWeather and climate variability span a continuum of timescales\, from day-to-day fluctuations to millennial-scale changes\, yet these regimes are often studied separately. My work explores how to bring these scales together within a unified framework that captures spatial structure\, temporal persistence\, and dynamical linkages across scales by combining diverse environmental datasets. I will first introduce my ongoing work with Prof. Sergey Kravtsov on data-driven forecasting from daily to seasonal timescales using high-resolution reanalysis products that integrate instrumental and satellite observations since 1980. I will then turn to earlier work using longer instrumental records\, climate model simulations\, and paleoclimate reconstructions to examine how the spatial and temporal covariance structure of climate variability evolves from decadal to centennial and millennial timescales\, highlighting both what we know—and what remains uncertain—about long-timescale climate variability. Together\, these perspectives suggest that similar statistical structures may underlie climate variability across a wide range of timescales and point toward new ways of connecting modern observations with paleoclimate evidence. \nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-from-weather-to-paleo-capturing-the-continuum-of-climate-variability/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20260420T150000
DTEND;TZID=America/Chicago:20260420T155000
DTSTAMP:20260414T194758Z
CREATED:20260414T194758Z
LAST-MODIFIED:20260414T194758Z
UID:10000176-1776697200-1776700200@uwm.edu
SUMMARY:Freshwater Colloquium – Stock assessment and management of lake whitefish in Wisconsin waters of Green Bay and Lake Michigan
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Dr. Iyob Tsehaye  \nLake whitefish stocks in Wisconsin’s Lake Michigan waters have historically been managed as a single stock originating from North–Moonlight Bays. However\, over the last couple of decades\, this stock has declined in line with broader Lake Michigan trends linked to dreissenid mussel-induced food web shifts. Conversely\, the southern Green Bay population has seen a substantial resurgence after a century-long collapse. Telemetry and tagging data reveal minimal mixing between these groups: Green Bay-spawned fish rarely migrate to the lake side of the Door Peninsula\, and North–Moonlight Bays fish largely remain in northern Lake Michigan. This divergence in productivity and distribution\, further evidenced by the emergence of a major recreational fishery in Green Bay\, necessitates a shift in management. Separate stock assessments confirm that whitefish abundance is now significantly higher within Green Bay than on the lake side of the peninsula. Even so\, assessment models show the number of whitefish in Green Bay has declined by about half since their peak around 2012. While the decline of lake whitefish is likely driven largely by food-web disruptions caused by invasive mussels\, fishing pressure also plays a role. These findings suggest that spatial harvest allocations must be readjusted to reflect the contemporary regional productivity of these distinct stocks.  \nIyob Tsehaye is a Great Lakes Quantitative Fisheries Research Scientist with the Wisconsin Department of Natural Resources (DNR). His research focuses on the assessment and management of recreationally and commercially important fisheries\, such as lake whitefish\, yellow perch and walleye\, as well as investigating predator-prey interactions to inform stocking decisions for salmonine predators. Before joining the DNR in 2015\, Iyob was a postdoctoral researcher at the Quantitative Fisheries Center at Michigan State University. He earned his PhD and MSc degrees from Wageningen University in the Netherlands and his Bachelor’s degree from the University of Asmara in Eritrea. \nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-stock-assessment-and-management-of-lake-whitefish-in-wisconsin-waters-of-green-bay-and-lake-michigan/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260427T150000
DTEND;TZID=America/Chicago:20260427T155000
DTSTAMP:20260421T163020Z
CREATED:20260421T162941Z
LAST-MODIFIED:20260421T163020Z
UID:10000183-1777302000-1777305000@uwm.edu
SUMMARY:Freshwater Colloquium – Small Organisms Big Impact: Microbial Insights from the Mississippi River to Caribbean Reefs
DESCRIPTION:Join the School of Freshwater Sciences for a Colloquium with guest speaker: Dr. Michael Henson \nMicroorganisms drive nutrient cycling\, regulate ecosystem productivity\, and respond quickly to environmental change\, making them strong indicators of ecosystem health. In this seminar\, we will discuss how microbial community structure and assembly reveal patterns of environmental organization across large spatial scales\, and how shifts in core microbial taxa reflect underlying ecological processes rather than simple changes in nutrient levels\, using the Mississippi River as a case study. These patterns provide insight into how large rivers process and transform nutrients during downstream transport. We will also cover ongoing work on Caribbean coral reefs\, where a pathogenic ciliate has contributed to widespread mass mortality of sea urchins. By combining environmental sequencing with cultured isolates\, we are exploring how microbial dynamics intersect with disease emergence in a rapidly changing ocean. Together\, these studies show how microbial communities\, from a continental-scale river network to tropical reef ecosystems\, serve as a powerful lens for understanding environmental change. \nMichael Henson is an Assistant Professor of Biological Sciences at Northern Illinois University and leads the Aquatic Microbiology Lab. His research focuses on how microbial communities respond to environmental change and how those responses scale to influence ecosystem processes. He takes an integrative approach that spans cultivation\, physiology\, and genomics\, linking organismal traits to patterns observed at ecosystem scales.\n\nHe earned his PhD at Louisiana State University\, where he developed a foundation in microbial ecology and began combining molecular tools with environmental data to study community structure and function. He then completed postdoctoral training at the University of Southern California and the University of Chicago\, where he further integrated cultivation-based approaches with genomic and ecological analyses to better connect microbial physiology to ecosystem dynamics.\n\nHis current research spans both freshwater and marine systems. In the Mississippi River\, he investigates how microbial communities maintain strong spatial structure despite temporal variability\, and how changes in water quality alter key taxa and ecosystem function. In marine systems\, his work focuses on host–microbe interactions and disease\, particularly through research on the ciliate pathogen affecting sea urchins\, where our lab is working to link ecological changes with disease outbreak patterns.\n\nOutside the lab\, he enjoys gardening with his husband\, traveling\, and spending time outdoors backpacking and camping. At home\, they share their lives and home with their two dogs\, Tyler and Emmy.\nThis presentation is open to students\, faculty\, staff\, alumni and the public.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-michael-henson/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260610T083000
DTEND;TZID=America/Chicago:20260610T120000
DTSTAMP:20260414T200040Z
CREATED:20260414T200040Z
LAST-MODIFIED:20260414T200040Z
UID:10000180-1781080200-1781092800@uwm.edu
SUMMARY:Charting New Waters: Prospective Student Voyages
DESCRIPTION:Thinking of a career in freshwater or marine science? Join us aboard the R/V Neeskay for an information session\, tour\, and science field trip – all rolled into one unforgettable experience! \n\nTry hands-on field science tools and techniques – deploy the backbone instruments for Great Lakes and ocean research\nHear from UWM faculty scientists and staff\nCruise the Milwaukee Harbor on a research vessel\nDiscover career paths in water science\nGet tips on applying to undergraduate and graduate programs\n\nTrip dates: \n\nWednesday\, June 10\nTuesday\, June 30\nWednesday\, July 15\n\nOPEN TO PROSPECTIVE STUDENTS ONLY! \nLearn more and register on the official event page.
URL:https://uwm.edu/freshwater/event/charting-new-waters-prospective-student-voyages-2/2026-06-10/
LOCATION:School of Freshwater Sciences\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Prospective Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2024/09/charting-new-waters.jpg
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260630T080000
DTEND;TZID=America/Chicago:20260630T120000
DTSTAMP:20260414T200040Z
CREATED:20260414T200040Z
LAST-MODIFIED:20260414T200040Z
UID:10000181-1782806400-1782820800@uwm.edu
SUMMARY:Charting New Waters: Prospective Student Voyages
DESCRIPTION:Thinking of a career in freshwater or marine science? Join us aboard the R/V Neeskay for an information session\, tour\, and science field trip – all rolled into one unforgettable experience! \n\nTry hands-on field science tools and techniques – deploy the backbone instruments for Great Lakes and ocean research\nHear from UWM faculty scientists and staff\nCruise the Milwaukee Harbor on a research vessel\nDiscover career paths in water science\nGet tips on applying to undergraduate and graduate programs\n\nTrip dates: \n\nWednesday\, June 10\nTuesday\, June 30\nWednesday\, July 15\n\nOPEN TO PROSPECTIVE STUDENTS ONLY! \nLearn more and register on the official event page.
URL:https://uwm.edu/freshwater/event/charting-new-waters-prospective-student-voyages-2/2026-06-30/
LOCATION:School of Freshwater Sciences\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Prospective Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2024/09/charting-new-waters.jpg
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260715T080000
DTEND;TZID=America/Chicago:20260715T120000
DTSTAMP:20260414T200040Z
CREATED:20260414T200040Z
LAST-MODIFIED:20260414T200040Z
UID:10000182-1784102400-1784116800@uwm.edu
SUMMARY:Charting New Waters: Prospective Student Voyages
DESCRIPTION:Thinking of a career in freshwater or marine science? Join us aboard the R/V Neeskay for an information session\, tour\, and science field trip – all rolled into one unforgettable experience! \n\nTry hands-on field science tools and techniques – deploy the backbone instruments for Great Lakes and ocean research\nHear from UWM faculty scientists and staff\nCruise the Milwaukee Harbor on a research vessel\nDiscover career paths in water science\nGet tips on applying to undergraduate and graduate programs\n\nTrip dates: \n\nWednesday\, June 10\nTuesday\, June 30\nWednesday\, July 15\n\nOPEN TO PROSPECTIVE STUDENTS ONLY! \nLearn more and register on the official event page.
URL:https://uwm.edu/freshwater/event/charting-new-waters-prospective-student-voyages-2/2026-07-15/
LOCATION:School of Freshwater Sciences\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Prospective Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2024/09/charting-new-waters.jpg
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260914T153000
DTEND;TZID=America/Chicago:20260914T162000
DTSTAMP:20260902T185134Z
CREATED:20260902T182632Z
LAST-MODIFIED:20260902T185134Z
UID:10000186-1789399800-1789402800@uwm.edu
SUMMARY:Freshwater Colloquium - Toward a Unified Great Lakes Early Detection Network: Applying eDNA Metabarcoding Across Jurisdictions to Identify Emerging Aquatic Invaders
DESCRIPTION:Early detection of aquatic invasive species (AIS) is essential for effective management and rapid response across the Great Lakes basin. To strengthen surveillance capacity\, the U.S. Fish and Wildlife Service (USFWS) has expanded its Early Detection and Monitoring program to incorporate eDNA metabarcoding as a large-scale\, multi‑jurisdictional tool for identifying emerging invaders and characterizing fish community diversity. \nSince 2024\, USFWS field offices—supported by two specialized USFWS genetics laboratories—have implemented coordinated eDNA surveys throughout the Great Lakes basin. This collaboration is producing one of the region’s most extensive metabarcoding datasets to date\, revealing basin‑wide biodiversity patterns and highlighting potential indicators of newly arriving or expanding AIS. The program also emphasizes partnership with tribal\, state\, and federal natural resource agencies\, creating a shared early detection network grounded in consistent methods and communication. \nIntegrating metabarcoding into a broad operational framework has generated key lessons for developing effective early detection networks. These include refinements to sampling design\, improvements in laboratory workflows that increase throughput and reduce error\, and approaches for ensuring consistent interpretation of metabarcoding data across organizations. \nPreliminary results illustrate both the strengths and challenges of using metabarcoding at scale. The approach provides enhanced sensitivity for detecting low-abundance AIS signals\, supports more complete characterization of fish communities across heterogeneous habitats\, and highlights logistical and coordination challenges inherent in standardizing protocols across multiple agencies and jurisdictions. \nOur work showcases how a coordinated\, basin-wide eDNA metabarcoding framework can support AIS early detection and provide useful insights into best practices that may be transferable to other regions working to develop or expand molecular early detection networks. \nRachael Giglio is a geneticist with the U.S. Fish and Wildlife Whitney Genetics Lab located in Onalaska\, WI. Broadly\, her work focuses on using molecular tools to inform wildlife and fisheries management. In her current position\, she serves as a bioinformatician and data analyst to help process genetic metabarcoding data\, which involves identifying species present in environmental samples using DNA analysis. She earned her BS in Ecology and Conservation Biology from the University of Idaho\, MS and PhD in Biology from the University of Wisconsin-Milwaukee\, completed a postdoc at the Ohio State University\, and served as a researcher at the USDA National Wildlife Research Center. \nDr. Rachel J. Brown is Deputy Project Leader at the U.S. Fish & Wildlife Service’s Whitney Genetics Laboratory in Onalaska\, Wisconsin. She leads environmental DNA (eDNA) metabarcoding initiatives that support detection and monitoring of aquatic invasive species across the Great Lakes. She earned her Ph.D. (2014) and M.S. (2010) in Aquatic and Fishery Sciences from the University of Washington and previously served as Associate Director of the Salish Sea Research Center and faculty in the Native Environmental Science Program at Northwest Indian College. Her recent scholarship includes co‑authoring the MIEM Guidelines—Minimum Information for Reporting Environmental Metabarcoding Data (2024\, Editor’s Choice)—and contributing to ongoing efforts to standardize eDNA methodologies (2025). Brown’s earlier work spans ichthyology and systematics\, including the book Frogfishes: Biodiversity\, Zoogeography\, and Behavioral Ecology (Johns Hopkins University Press\, 2020)\, recognized with the 2021 PROSE Award in Biological & Life Sciences. She serves the scientific community through editorial and review activities\, professional society leadership\, and outreach\, and remains committed to partnering with Tribal\, state\, and federal stakeholders to translate genomics research into practical conservation action in the Great Lakes region. \nThe School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-rachel-giglio-2/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2026/09/colloquium-usfws.jpeg
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DTSTART;TZID=America/Chicago:20260921T153000
DTEND;TZID=America/Chicago:20260921T162000
DTSTAMP:20260902T191310Z
CREATED:20260902T183143Z
LAST-MODIFIED:20260902T191310Z
UID:10000187-1790004600-1790007600@uwm.edu
SUMMARY:Freshwater Colloquium - Lessons from the Great Conservationists of the Past
DESCRIPTION:These seem like stressful times for the environment and sustainability. But fear not! Our world is better today than in the past\, and it will be even better in the future. How can I be so sure? This seminar will tell the story of inspirational conservationists of the past—people like Rachel Carson\, Chico Mendes\, Billy Frank Jr. and Wangari Maathai. If we act with their passion and persistence\, we can achieve a sustainable and beautiful world! \nLarry A. Nielsen is Professor Emeritus of Natural Resources at North Carolina State University. A native of Chicago\, he has degrees from the University of Illinois\, University of Missouri and Cornell University. He spent 40 years as a faculty member and administrator at Virginia Tech\, Penn State and NC State. He has been a Department Head\, School Director\, College Dean and University Provost. He spent a year as a special staff member with the Wisconsin Department of Natural Resources during 1984-1985\, He is author of more than 100 publications\, including seven recent books: Provost: Experiences\, Reflections\, and Advice From a Former “Number Two” on Campus; Nature’s Allies\, 8 Conservationists who Changed our World; Wolfpack Ramblings—A Thousand-Mile Walk Across NC State’s Campus; Speaking Skills for Graduate Students; and\, three mystery novels\, Dead Man on Campus\, The Center Piece\, and Not So Innocent Abroad. He is a Fellow of the American Fisheries Society and was an Alumni Distinguished Undergraduate Professor at NC State before retiring in January\, 2018. In 2020\, he was awarded the Excellence in Education Award by the American Fisheries Society\, based on his career achievements and\, in 2022\, the Sustained Achievement Award by the Renewable Natural Resources Foundation. In 2024\, he was honored to give the Justin Morrill Lecture celebrating the Land Grant University system. \nThe School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-larry-nielsen/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2026/09/colloquium-larry-nielsen.jpeg
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DTSTART;TZID=America/Chicago:20260923T173000
DTEND;TZID=America/Chicago:20260923T183000
DTSTAMP:20260826T202151Z
CREATED:20260826T195755Z
LAST-MODIFIED:20260826T202151Z
UID:10000184-1790184600-1790188200@uwm.edu
SUMMARY:Explorer Post 600 Open House
DESCRIPTION:Do you have a student who is interested in freshwater sciences? Are they passionate about marine biology\, aquatic ecosystems\, or environmental science? If the answer to both of these questions is ‘yes’\, we have an exciting opportunity for you!\n \nUWM’s School of Freshwater Sciences is the proud new home to Explorer Post 600 with Scouting America. Exploring is open to all young men and women between 14 and 20 years of age. This program offers young adults a personal awareness of freshwater science through training\, practical experiences\, competition\, and many other activities. Additionally\, Explorer Post 600 promotes personal growth through character development\, respect for the environment and conservation\, Great Lakes education\, and collaboration with both peers and faculty.\n\nOn Wednesday\, Sept. 23rd\, we’re hosting an information night at Great Lakes Research Facility. Join us for more details about Exploring and the many valuable opportunities it provides! You’ll also have the chance to enroll in Explorer Post 600 at the information night.\n\nRegister if you plan to attend
URL:https://uwm.edu/freshwater/event/explorer-post-600-open-house/
LOCATION:Great Lakes Research Facility\, 600 E Greenfield Ave\, Milwaukee\, 53204\, United States
CATEGORIES:Career and Leadership Development,Prospective Students,Public,UWM Campus Events
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DTSTART;TZID=America/Chicago:20260927T110000
DTEND;TZID=America/Chicago:20260927T150000
DTSTAMP:20260826T203832Z
CREATED:20260826T203832Z
LAST-MODIFIED:20260826T203832Z
UID:10000239-1790506800-1790521200@uwm.edu
SUMMARY:Harbor Fest Open House
DESCRIPTION:Get a behind-the-scenes look at UW-Milwaukee’s School of Freshwater Sciences. Explore interactive exhibits showcasing groundbreaking work in fish ecology\, aquaculture\, water chemistry\, invasive species\, and climate change. Meet the scientists and students working to protect the Great Lakes — and get hands-on with activities for all ages.
URL:https://uwm.edu/freshwater/event/harbor-fest-open-house/
LOCATION:Great Lakes Research Facility\, 600 E Greenfield Ave\, Milwaukee\, 53204\, United States
CATEGORIES:Alumni & Community,Faculty and Staff,Prospective Students,Public,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2022/03/freshwater-building.jpg
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DTSTART;TZID=America/Chicago:20260928T153000
DTEND;TZID=America/Chicago:20260928T162000
DTSTAMP:20260916T174549Z
CREATED:20260916T174442Z
LAST-MODIFIED:20260916T174549Z
UID:10000188-1790609400-1790612400@uwm.edu
SUMMARY:Freshwater Colloquium – Model Development and Forecasting Activities Using the Model  for Prediction Across Scales for Future NOAA Operational Weather Prediction Systems
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \nNOAA’s Global Systems Laboratory (GSL)\, part of the Office of Oceanic and Atmospheric Research\, seeks to improve Earth-system prediction capabilities across all weather-related hazards including severe convective storms\, intense rainfall\, winter storms\, tropical systems\, and phenomena such as wildfire smoke\, dust\, and pollen. GSL has a rich legacy in developing modeling systems for NOAA operations\, including the operational Rapid Refresh (RAP) and High-Resolution Rapid Refresh (HRRR) models\, and in contributing to the development of Unified Forecast System (UFS) applications such as the first version of the Rapid Refresh Forecast System (RRFSv1) and the Global Forecast System (GFS). Given the increasing frequency of damaging high-impact weather events in recent years\, there is an increasing need for high-resolution modeling systems that can accurately\, faithfully\, and explicitly resolve precipitating phenomena\, fire-weather behavior\, aerosol radiative and cloud feedbacks\, and urbanization influences to improve forecast skill and inform improved end-user decision-making. Extensive development\, testing\, and evaluation at GSL and elsewhere over the last two years has indicated that the Model for Prediction Across Scales\, or MPAS\, can address these predictive needs. My presentation will provide a high-level overview of how the proverbial sauce is made: what is MPAS\, how physics processes are represented within MPAS\, the vital role of incorporating atmospheric observations to provide an accurate initial atmospheric representation\, how extensive computational codebases are maintained\, and the importance of rigorous testing and evaluation to guide our scientifically grounded\, hypothesis-driven model development activities. I will also present the outcomes of multiple testing and evaluation activities\, which demonstrate the substantial promise of MPAS-based weather prediction systems for future NOAA operational weather prediction systems to meet NOAA’s Numerical Weather Prediction Moonshot goal of world-leading skillful\, reliable\, and useful global\, storm-scale\, Earth-system model forecasts. Dr. Clark Evans is a Research Physical Scientist and the Physics Branch Chief with the Earth Prediction Advancement Division of NOAA’s Global Systems Laboratory (GSL) in Boulder\, CO. Before joining GSL in 2024\, he was a Professor of Atmospheric Sciences at the University of Wisconsin-Milwaukee (UWM). He joined UWM in 2011 after completing a postdoctoral fellowship at the National Center for Atmospheric Research in Boulder\, CO. He received B.S.\, M.S.\, and Ph.D. degrees in Meteorology from Florida State University in 2004\, 2006\, and 2009\, respectively. \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-clark-evans/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2026/09/Colloquium-32-9-28-Event-Website-Header.jpeg
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DTSTART;TZID=America/Chicago:20261005T153000
DTEND;TZID=America/Chicago:20261005T162000
DTSTAMP:20260925T191038Z
CREATED:20260925T190852Z
LAST-MODIFIED:20260925T191038Z
UID:10000189-1791214200-1791217200@uwm.edu
SUMMARY:Freshwater Colloquium: Bringing a National Estuarine Research Reserve  to the Green Bay Estuary
DESCRIPTION:Join Emily Tyner\, Director of Freshwater Strategy at UW-Green Bay\, to learn about the National Estuarine Research Reserve System (NERR) and the process of bringing a new reserve to Lake Michigan. The NERR is a national network of 30 sites across the coastal U.S.\, including the Great Lakes\, designed to protect and study estuaries and their coastal wetlands. With funding and guidance from the National Ocean and Atmospheric Administration\, the Green Bay NERR will bring additional research\, education\, stewardship and training opportunities to Green Bay and Lake Michigan. Hear about what it takes to designate a NERR\, the research and outreach vision for the future reserve\, and opportunities for collaboration.  \nEmily Tyner is the Director of Freshwater Strategy at the University of Wisconsin-Green Bay\, a position she has held since 2020. In this role Emily manages both on-campus and community programs around freshwater and Great Lakes outreach\, and is the state lead on the designation of the Green Bay National Estuarine Research Reserve. Before her current role Emily spent five field seasons as a biological technician at Sleeping Bear Dunes National Lakeshore as part of her graduate studies at the University of Wisconsin-Milwaukee\, and as a Fulbright US Student Fellow conducting research on the nearshore waters of Lake Malawi\, Africa. \nThe School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-emily-tyner/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261012T153000
DTEND;TZID=America/Chicago:20261012T162000
DTSTAMP:20261005T201939Z
CREATED:20261005T200410Z
LAST-MODIFIED:20261005T201939Z
UID:10000190-1791819000-1791822000@uwm.edu
SUMMARY:Freshwater Colloquium: The Vadose Zone or the Twilight Zone? Tales of Uranium and Road Salt Travels Below Ground but Above the Water Table
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \nField data from an experimental river flooding event at a former uranium mill tailings site will be presented to show that the vadose zone can be a major source and sink for contaminant transport down into and up out of the water table. Lab data from experimental road salt wicking and flushing tests will show how pore structure\, grain size\, and evaporation conditions control contaminant transport in the vadose zone. A brief introduction will also be given on the strange physics of the vadose zone and the non-linear mathematics that describe groundwater flow and solute transport therein.  \nDr. Paradis is a physical hydrogeologist with expertise in field tracer studies to better understand the sources and pathways of contaminants to and from groundwater. He is an Associate Professor at the University of Wisconsin at Milwaukee in the Department of Geosciences where he teaches physical hydrogeology\, field methods in hydrogeology\, and groundwater modeling. \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-charles-paradis/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261019T153000
DTEND;TZID=America/Chicago:20261019T162000
DTSTAMP:20261005T202149Z
CREATED:20261005T201722Z
LAST-MODIFIED:20261005T202149Z
UID:10000191-1792423800-1792426800@uwm.edu
SUMMARY:Freshwater Colloquium: Assessing the Basis for Heritable Phenotypic Variation in Lake Charr Ecomorphs of Lake Superior
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \nResource polymorphisms are common among charr (Salvelinus) ecomorphs. In North America\, there are lake charr (Salvelinus namaycush) ecomorphs exhibiting variations in morphology\, physiology and behavior. Many of these occur in deep lake ecosystems (e.g.\, Lake Superior\, Great Bear and Slave Lakes) where depth provides a variety of habitats varying in temperature\, pressure\, and forage composition. Which phenotypic variations are heritable or result from environmental plasticity is a fundamental question for understanding the sympatric evolution of these ecomorphs and may have profound impacts on their resiliency to habitat change in the future. In Lake Superior\, there have been four reported ecomorphs; leans\, siscowets\, redfins and humpers. However\, based on observations particularly in complex bathymetric habitats (e.g.\, Isle Royale\, Stannard Rock\, Klondike Reef)\, there are certainly more ecomorphs that have yet to be described. So far\, ecomorphs (particularly leans and siscowets) can be differentiated based on morphometry\, growth\, habitat\, incidence of skip spawning\, pyloric caeca\, and to a lesser extent diet. They also exhibit physiological differences in the amount of lipid and glycogen stored in the muscle and liver as well as in the effects of lamprey wounding. This talk will synthesize efforts that have been made to delineate which of these phenotypes have a genetic basis and to what extent. It relies heavily on the results of a 15-year\, multi-generational common garden rearing experiment of lean and siscowet lake charr. Rick Goetz is currently a Professor Emeritus in the School of Freshwater Sciences at the University of Wisconsin-Milwaukee and an Affiliate Professor in the School of Aquatic and Fishery Sciences at the University of Washington. From 2011-2021 he was a research physiologist heading the Program on Aquaculture and Marine Fish and Shellfish Biology at the Manchester Research Station (Seattle-NOAA Northwest Fisheries Science Center)\, studying biological questions pivotal to the sustainability of natural marine fish and shellfish populations as well as the artificial propagation of marine fish for aquaculture. Prior to coming to Seattle\, he was a Professor in the School of Freshwater Sciences at the University of Wisconsin-Milwaukee (2004-2011)\, Director of the Program on Scientific Aquaculture at the Marine Biological Lab in Woods Hole\, Massachusetts (2000-2004)\, and a Professor in the Department of Biological Sciences at the University of Notre Dame (1977-2000). In the past he has conducted research on reproduction\, growth and innate immunity in fish and for the past two decades has been investigating the basis of phenotypic differentiation and speciation in lake trout.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-rick-goetz/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261026T153000
DTEND;TZID=America/Chicago:20261026T162000
DTSTAMP:20261005T202802Z
CREATED:20261005T202634Z
LAST-MODIFIED:20261005T202802Z
UID:10000192-1793028600-1793031600@uwm.edu
SUMMARY:Freshwater Colloquium - Propositions for the next phase of the New Emscher's evolution: Using speculative design to probe an uncanny watershed
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \nFor over 100 years\, the Emscher River was the open sewer of the Ruhr\, the center of Germany’s coal-mining and steel-production capacity. Mining related land subsidence of made the ground too unstable for the creation of a conventional sewer system\, and frequent flooding in the region necessitated that the sluggish river be channelized.  \nThe Ruhr Valley is twice the size of the Milwaukee River watershed. With a population of over 5 million spread between twelve mid-sized cities\, it is the largest and most densely settled urban agglomeration in Germany. Roughly half of that population lives within the Emscher River watershed\, which is roughly twice the size of the Menomonee River watershed. Like the Menomonee and Kinnickinnic\, the dominant character of the Emscher is industrial.  \nMuch like here\, the region de-industrialized starting in the 1970’s. In 1988\, the government of North Rhine-Westphalia initiated the Internationale Bauausstellung (IBA) Emscher Park\, a ten-year plan to focus investment on the ecological restoration and economic reinvention of the region. Starting in 1990\, the Emschergenossenschaft (EGLV)\, the regional water authority\, began the 30-year\, 5.3 billion Euro construction of a modern sewer system and the restoration of the Emscher river.  \nThat project\, the largest river restoration project in Europe\, is now complete\, and the EGLV is seeking to map out the next phase of transformations that will adapt the Ruhr to the challenges of the 21st C.  \nWith my own water-centric research focusing on our own Inner Harbor\, Milwaukee\, and the post-industrial waterfronts of the Great Lakes Basin\, I have long been fascinated with the ecological and cultural project of the New Emscher. This last spring I spent three weeks in Essen as a guest of the EGLV. Where in the past I have sought inspiration from individual projects\, this time my aim was to understand the newly reconstructed river and its watershed as a whole. My ongoing goal is to be to provide the EGLV with a unique designer’s sensibility\, and to play a consulting role in the current visioning process.  \nThis talk will present design work that I undertook while visiting the EGLV\, with the goal of coming to understand the river through my own speculations. As a designer of ecological urban waterscapes\, I have a clear sense of the complexities of seeking to create a connection to nature in compromised environments. I am philosophically committed to the idea of ‘reading the land’ through the ways that water flows; of teaching ecological literacy through design starting with watershed awareness. The polderized landscape of the Emscher has confounded me. I find the river and it’s tributary landscape completely uncanny. It is that uncanny nature that my work explores and that this talk will seek to work through. \nJames Wasley is a Professor in the UWM Architecture Department and is a Director of the Institute for Ecological Design. He is also an Affiliate Professor at the UWM School of Freshwater Sciences. His research focuses on designing and implementing ecological urban waterscapes. Grounded in the Great Lakes\, this research has recently expanded to include a comparative focus on the restoration of the Emscher River in the Ruhr region of Germany and on green/blue infrastructure in German urban design. \nProfessor Wasley was a Water Policy Scholar at the SFS Center for Water Policy in 2017 and again in 2024. In the spring of 2023 he was a Visiting Professor at the Technical University of Dortmund\, DE. Also in 2024 he participated in the inaugural class of the Association of Collegiate Schools of Architecture Academy for Public Scholarship on the Built Environment: CLIMATE ACTION.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-james-wasley/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261102T153000
DTEND;TZID=America/Chicago:20261102T162000
DTSTAMP:20261007T175531Z
CREATED:20261007T175514Z
LAST-MODIFIED:20261007T175531Z
UID:10000193-1793633400-1793636400@uwm.edu
SUMMARY:Freshwater Colloquium: Microplastics\, Not a Micro Problem: Isolation and Analysis of Micro and Nanoplastics in Complex Environmental and Biological Matrices
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \nMicro- and nanoplastics (MNPs) are a contaminant of emerging concern and have been found in everything from the air we breathe to personal care products\, food and drinking water. They are even present in medical supplies like intravenous fluids. Due to their ubiquity\, this area of research has been growing rapidly over the past several years. However\, a key limitation in many studies is the inability to include smaller MNPs because of analytical limitations. This is especially concerning as these smaller particles have the highest potential to cross cellular barriers and accumulate in the body. To address this gap\, we developed a method to isolate and analyze smaller MNPs from complex environmental and biological matrices. This method prepared the MNPs for analysis using scanning electron microscopy (SEM) to determine the size\, shape\, and number of the particles\, and optical photothermal infrared spectroscopy (O-PTIR) to identify polymer types. The method was validated using a known concentration of polystyrene nanoparticles in river water and in human blood\, with recovery efficiencies of 81% and 82%\, respectively\, demonstrating its effectiveness in the applied matrices. The application of this method allowed for the analysis of MNPs in natural freshwater systems (Lake Erie)\, engineered environments (drinking water treatment)\, consumer products (bottled water)\, as well as human tissue samples (bone marrow) leading to an overall improvement in our understanding of their presence\, transport\, and exposure pathways. \nMegan is currently a postdoctoral fellow at the P&G Digital Accelerator at the University of Cincinnati where she works as part of the Global Product Stewardship-Environmental Fate Team working to improve the methods used to evaluate the biodegradability of down the drain chemicals in freshwater systems. She recently completed my Ph.D. in Environmental Science at Ohio State University where her research focused on isolating and analyzing micro and nanoplastics from aqueous and biological samples and evaluating their fate and transport in drinking water treatment systems. Megan completed her M.S. in chemistry and B.S. in environmental science at Oakland University\, where she worked to improve microbial source tracking methods to identify the sources of fecal contamination as part of a recreational water quality monitoring program.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-megan-jamison-hart/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261109T153000
DTEND;TZID=America/Chicago:20261109T162000
DTSTAMP:20261007T180112Z
CREATED:20261007T180009Z
LAST-MODIFIED:20261007T180112Z
UID:10000194-1794238200-1794241200@uwm.edu
SUMMARY:Freshwater Colloquium: Is Remediation and Restoration Improving OneHealth Along Great Lakes Coasts?
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \nThe OneHealth approach recognizes the importance of interconnections between human health and the environment. An exemplary international effort of this nature is the long-standing U.S.-Canada Great Lakes Water Quality Agreement (GLWQA)\, which aims to restore and protect roughly 21% of the global surface freshwater supply. Since its inception in 1972\, the U.S.-Canada GLWQA has set forth the bi-national environmental and scientific goals to protect and restore the Laurentian Great Lakes. Through the Great Lakes Restoration Initiative\, a U.S.-led multi-federal agency program that begin in 2010 and which is aligned with the GLWQA\, partner organizations have laid the groundwork for identifying\, remediating\, and restoring degraded coastal areas and putting them on the path to revitalization by communities. However\, while nearly 10\,000 projects have been completed to date\, a systematic understanding of environmental and human wellbeing changes resulting from these projects is yet to be developed\, and impacts\, when measured\, are typically documented at a project-level. In this seminar\, I will discuss new approaches for measuring human wellbeing and environmental impacts from remediation and restoration projects\, as well as share recent research documenting impacts at both the project- and ecosystem-scale. These studies reveal both design-based trade-offs in project outcomes as well as on-the-ground improvement in ecological health and human wellbeing factors. \nDr. Joel Hoffman is the Director of Research at the University of Minnesota Natural Resources Research Institute (NRRI; 2025-current). He provides strategic leadership for development of the NRRI research portfolio\, guiding scientists and engineers to develop innovative solutions that address pressing challenges affecting communities\, the environment\, and the economy across Minnesota and the nation. As an environmental scientist\, Dr. Hoffman leads integrative research to support the development and implementation of sustainable\, ecosystem-based management of natural resources. His research expertise includes ecosystem services\, characterizing energy and contaminant flows through ecosystems\, and developing biodiversity assessments\, including biosurveillance of invasive species. Prior to his current role\, Dr. Hoffman led social-ecological systems research at the US Environmental Protection Agency’s Office of Research and Development (2006-2025). Dr. Hoffman is a two-time winner of the Chandler-Misener Award\, which honors the most notable peer-reviewed paper published in the most recent complete volume of the Journal of Great Lakes Research. He represents Minnesota as a citizen advisor to the Great Lakes Fishery Commission\, is a member of the Great Lakes Coalition science advisory board\, and routinely contributes to scientific efforts led by the International Joint Commission.
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-joel-hoffman/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261116T153000
DTEND;TZID=America/Chicago:20261116T162000
DTSTAMP:20260826T202052Z
CREATED:20260826T201424Z
LAST-MODIFIED:20260826T202052Z
UID:10000195-1794843000-1794846000@uwm.edu
SUMMARY:Freshwater Colloquium
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-rachel-giglio/2026-11-16/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
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DTSTART;TZID=America/Chicago:20261119T163000
DTEND;TZID=America/Chicago:20261119T180000
DTSTAMP:20260826T202304Z
CREATED:20260826T200720Z
LAST-MODIFIED:20260826T202304Z
UID:10000185-1795105800-1795111200@uwm.edu
SUMMARY:Freshwater Sciences Undergraduate Preview Day
DESCRIPTION:Discover where your passion for water can take you. \nWhether you’re interested in marine biology\, aquatic science\, environmental research\, or protecting our planet’s most valuable resource\, Preview Day is your chance to experience the School of Freshwater Sciences firsthand! \nSee how a degree in freshwater sciences can prepare you to make a difference—locally and around the world. \nYou’ll have the opportunity to: \n\n\nExplore our state-of-the-art facilities\nMeet faculty and current students\nParticipate in hands-on activities\nLearn how you’ll gain real-work experience through research\, fieldwork and internships
URL:https://uwm.edu/freshwater/event/undergraduate-preview-day/
LOCATION:Great Lakes Research Facility\, 600 E Greenfield Ave\, Milwaukee\, 53204\, United States
CATEGORIES:Prospective Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2026/02/jena-lagoon.jpg
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20261130T153000
DTEND;TZID=America/Chicago:20261130T162000
DTSTAMP:20260826T202052Z
CREATED:20260826T201424Z
LAST-MODIFIED:20260826T202052Z
UID:10000197-1796052600-1796055600@uwm.edu
SUMMARY:Freshwater Colloquium
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-rachel-giglio/2026-11-30/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2024/09/charting-new-waters.jpg
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DTSTART;TZID=America/Chicago:20261207T153000
DTEND;TZID=America/Chicago:20261207T162000
DTSTAMP:20260826T202052Z
CREATED:20260826T201424Z
LAST-MODIFIED:20260826T202052Z
UID:10000198-1796657400-1796660400@uwm.edu
SUMMARY:Freshwater Colloquium
DESCRIPTION:The School of Freshwater Sciences’ Freshwater Colloquium creates a platform for students\, faculty and scientists to discuss their research and emergent issues related to freshwater resources. Presentations are open to the public. \nAll events will take place on Mondays from 3:30-4:20 p.m. in-person in the GLRF Ballroom. \nThe School of Freshwater Sciences Great Lakes Research Facility\, is located at 600 E. Greenfield Ave. \nFull schedule \n 
URL:https://uwm.edu/freshwater/event/freshwater-colloquium-rachel-giglio/2026-12-07/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Faculty and Staff,Public,Students,UWM Campus Events
ATTACH;FMTTYPE=image/jpeg:https://uwm.edu/freshwater/wp-content/uploads/sites/595/2024/09/charting-new-waters.jpg
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