GVSU Annis Water Resources Institute

GVSU Annis Water Resources Institute The Mission of the Robert B. Annis Water Resources Institute (AWRI) at Grand Valley State University

As part of the Great Lakes Plastic Cleanup Initiative, this month, the Laker Raker and operator Jamie Cross participated...
06/04/2026

As part of the Great Lakes Plastic Cleanup Initiative, this month, the Laker Raker and operator Jamie Cross participated in the Alliance for the Great Lakes & Meijer’s Adopt-a-Beach cleanup at Muskegon’s Pere Marquette Park. The Laker Raker is a beach-cleaning robot that sifts through sand to remove plastic waste and other debris and is a part of the Great Lakes Plastic Cleanup, an initiative of the Council of the Great Lakes Region and Pollution Probe in Canada funded through the generous contributions of Meijer. The efforts of The Alliance for the Great Lakes and Meijer continue to demonstrate a commitment to preserving our Great Lakes shoreline and protecting the environment for generations to come. To learn more about beach clean-ups, Great Lakes Plastic Cleanup technology, and how you can get involved, visit: https://www.greatlakesplasticcleanup.org/

06/02/2026

Find out if a beach near you has advisories or closures that affect your swimming plans

AWRI is represented this week at the joint meeting of the International Association for Great Lakes Research (IAGLR) and...
05/28/2026

AWRI is represented this week at the joint meeting of the International Association for Great Lakes Research (IAGLR) and the Society of Canadian Aquatic Sciences! If you're in Winnipeg, Manitoba today, be sure to check out Dr. Kevin Strychar's presentation!

Presentations (AWRI authors noted with *):

Image Flow Cytometry Rapidly Assesses Viable vs Non-viable Escherichia coli along Coastal Beaches of Lake Michigan
-Kevin Strychar*
-Thu 5/28, 5:00-6:00 PM, Room 4-S

Congratulations to Otter Lab graduate student Josie Kuhlman for successfully defending her M.S. thesis, "E. coli Concent...
05/22/2026

Congratulations to Otter Lab graduate student Josie Kuhlman for successfully defending her M.S. thesis, "E. coli Concentrations in Sand and Water at Tributary-Influenced Lake Michigan Beaches"! A summary of Josie's research is featured as a spotlight on AWRI's website at gvsu.edu/wri.

The Maycember conference season continues with the annual meeting of the Society for Freshwater Science! If you're in Sp...
05/18/2026

The Maycember conference season continues with the annual meeting of the Society for Freshwater Science! If you're in Spokane, WA for this week, check out these talks from Dr. Al Steinman and Logan Clark!

Presentations (AWRI authors noted with *):

Salinization of lakes in west Michigan: how problematic is it?
-Alan Steinman*, Sean Woznicki*, Michael Hassett*, Katie Tyrrell*
-Wed 5/20, 10:30-12:00, Room 207, Session Landuse & Non-Point Source Impacts 1.0

Use of Thermal Refugia by Brown Trout on the North Branch Au Sable River, Michigan
-Logan D. Clark*, M. Woller-Skar, Mark R. Luttenton*
-Thu 5/21, 10:30-12:00, Room 206A, Session: Fish & Other Vertebrates 1.0

Warmer days are back here in Muskegon, and AWRI is launching into summer projects! With help from our summer science com...
05/15/2026

Warmer days are back here in Muskegon, and AWRI is launching into summer projects! With help from our summer science communication intern, we'll take a weekly dive into the research underway around West Michigan. Stay tuned for captivating stories, stunning photos, and answers to the questions you've always wanted to ask. From monitoring Muskegon Lake's water quality to investigating Hemlock Woody Alegids, we'll plunge into the details of each research project and share our discoveries with you!

On this day in 1986, the Grand Valley State University Board of Control voted unanimously to approve the creation of a W...
05/08/2026

On this day in 1986, the Grand Valley State University Board of Control voted unanimously to approve the creation of a Water Resources Institute. Happy 40th birthday to AWRI and thank you to the legion of donors, collaborators, faculty, staff, students, and community supporters whose hard work has built the institute that we have today!

AWRI's water bottle refilling station hit a landmark number of uses, eliminating plastic waste from 12,345 single-use wa...
05/07/2026

AWRI's water bottle refilling station hit a landmark number of uses, eliminating plastic waste from 12,345 single-use water bottles. Congratulations to Muskegon Conservation District executive director Chelsea Lawton for getting the lucky number and winning a reusable metal bottle!

Conference season continues next week with AWRI faculty and staff attending the joint meeting for the Association for th...
05/06/2026

Conference season continues next week with AWRI faculty and staff attending the joint meeting for the Association for the Sciences of Limnology and Oceanography and SIL - The International Society of Limnology! If you’re going to in Montreal, don't miss these talks from our own Stuart Jones, Bopi Biddanda, and Bennett McAfee!

Presentations (AWRI authors noted with *):

LIFE-ELEMENT TANGOS: COTNER-INSPIRED WATER STORIES ALONG TROPHIC AND REDOX GRADIENTS IN THE LAURENTIAN GREAT LAKES
- Bopi Biddanda*
- May 13, 5:15 PM, Room 518A

WHAT’S OLD IS NEW AGAIN: A TROPHIC GRADIENT REDUX IN LIGHT OF THE GROWTH RATE HYPOTHESIS
- James Cotner, Bopaiah Biddanda*, Casey Godwin
- May 13, 5:45 PM, Room 518A

ECOSYSTEM STOICHIOMETRY RECONSIDERED: INTEGRATING NUTRIENT SUPPLY, DEMAND, AND FUNCTION
- Carly Olson, Daniel Gschwentner*, Reilly Farrell, Uchechukwu Ogbenna, Jessica Corman
- May 14, 11:00 AM, Room 517C Poster #474

KNOWLEDGE GUIDED MACHINE LEARNING IS RESHAPING HOW WE CONCEPTUALIZE LIMNOLOGICAL PROBLEMS
- Paul Hanson, Robert Ladwig, Cayelan Carey, Mary Lofton, Abhilash Neog, Sepideh Fatemi, Xiaowei Jia, Bennett McAfee*, Emma Marchisin, Sophia Skoglund, Runlong Yu, Anuj Karpatne
- May 14, 2:45 PM, Room 518C

CONSEQUENCES OF CLIMATE REANALYSIS MODEL USE FOR ESTIMATES OF LAKE PRODUCTIVITY: INSIGHTS FROM THE GLOBAL LAKE METABOLISM REPOSITORY
- Bennett McAfee*, Paul Hanson, Stuart Jones*, Isabella Oleksy, Christopher Solomon, Kathleen Weathers
- May 15, 11:00 AM, Room 517C Poster #63

EXPLORING THE BUILDING BLOCKS OF LAKE METABOLIC REGIMES
- Stuart Jones*, Christopher Solomon, Daniel Gschwentner*, Bennett McAfee*, Isabella Oleksy
- May 15, 11:00 AM, Room 517C Poster #309

IN THE MIDDLE OF IT ALL: METALIMNION PRODUCTION, METHANE, AND THE SCIENTIFIC LEGACY OF MIKE PACE
- Grace Wilkinson, Moira McCarthy, Britt Bertolet, Stephen Carpenter, Dat Ha, Noah Lottig, Daniel Szydlowski, Michael Pace, Stuart Jones*
- May 15, 11:00 AM, Room 517C Poster #473

TOWARD ROBUST FOUNDATION MODELS FOR SCIENTIFIC SYSTEMS: AN APPLICATION TO LAKE SCIENCES
- Abhilash Neog, Medha Sawhney, Kazi Mehrab, Sepideh Fatemi, Mary Lofton, Amartya Dutta, Aanish Pradhan, Bennett McAfee*, Emma Marchisin, Robert Ladwig, Arka Daw, Cayelan Carey, Paul Hanson, Anuj Karpatne
- May 15, 2:30 PM, Room 525AB

INVESTIGATING TIMESCALE VARIABILITY IN LAKE WATER QUALITY USING KNOWLEDGE-GUIDED MACHINE LEARNING
- Emma Marchisin, Sepideh Fatemi, Bennett McAfee*, Robert Ladwig, Abhilash Neog, Anuj Karpatne, Paul Hanson
- May 15, 2:45 PM, Room 525AB

LAKE METABOLIC REGIMES: A NEW GLOBAL SYNTHESIS OF GPP AND ER PATTERNS AND DRIVERS
- Christopher Solomon, Paul Hanson, Stuart Jones*, Bennett McAfee*, Isabella Oleksy, Kathleen Weathers
- May 15, 3:15 PM, Room 520E

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740 Shoreline Drive
Muskegon, MI
49441

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Tuesday 8am - 5pm
Wednesday 8am - 5pm
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