The meeting kicks off April 1 with presentations on several Sea Grant- and EPA-funded studies. IISG’s Tomas Hook, Sergiusz Czesny, director of the Lake Michigan Biological Station, and Bo Bunnell of the USGS Great Lakes Science Center will discuss the state of Lake Michigan fish populations, including the results of a three-year investigation of the differences in nearshore food webs across the lake. Harvey Bootsma, a researcher at the University of Wisconsin-Milwaukee, and NOAA’s Henry A. Vanderploeg will also be onsite to talk about recent findings on the diets of phytoplankton, algae, and other species at the bottom of the food chain. Additional presentations, orchestrated by IISG’s Paris Collingsworth and featuring IISG-funded scientist Cary Troy, will talk about research on the physical dynamics of the lake and steady flow of nutrients brought in by stormwater runoff—two important factors affecting food web structures. Paris will also introduce plans for upcoming monitoring and field activities in Lake Michigan as part of the Cooperative Science and Monitoring Initiative.
Recent News
- Freshwater jellyfish may increase in numbers as Illinois and Indiana waters continue to warm
- Tomas Höök signing off as Illinois-Indiana Sea Grant director this summer
- Illinois-Indiana Sea Grant welcomes Stuart Carlton as the program’s new director
- Four Illinois and Indiana educators will set sail on Lake Michigan aboard EPA’s research ship
- Join IISG as a new pollution prevention outreach assistant
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Looking for a fun, hands-on way to engage your students this year? Check out our new curriculum about crayfish and freshwater ecosystems! This curriculum teaches students about the importance of native crayfish, the threats posted by invasive species, and the health of Great Lakes ecosystems. It includes 9 ready-to-use lesson plans, with one featuring our participatory science activity! All lessons are aligned with NGSS, CCSS, and CGLL Principles.
Download the curriculum and start exploring at InvasiveCrayfish.org/Crayfish-Curriculum
#CrayWeek #Crayfish #FreshwaterEcosystems #Curriculum #BackToSchool

When participating in a crayfish participatory science activity, be sure to snap plenty of photos of any crayfish you catch or observe. Not only is it a great way to capture the fun and excitement of the day, but it also helps document the species present. To ensure accurate identification by scientists, it’s important to provide clear photos from multiple angles. Dorsal (top), lateral (side), and ventral (underside) views of the crayfish should always be photographed.
To learn more about the specific features to highlight in your photos visit the link in bio or
InvasiveCrayfish.org/Management/#Community

Who says “Back to School” means back indoors? While the weather is still warm, take your students on an outdoor science adventure by exploring crayfish in your local waterways.
The Invasive Crayfish Collaborative invites grades 2-12 educators to take part in a hands-on participatory science activity. By catching, identifying, and reporting crayfish species in your area, students contribute valuable data that helps scientists better understand where native and invasive crayfish live.
Check out what other educators have found and get involved: inaturalist.org/projects/great-lakes-crayfish
