GLANSIS Printables

Downloadable resources, worksheets, and posters for your classroom or educational center.

Data Dictionary

Great Lakes Food Webs

These handouts illustrate how aquatic invasive species have altered the food webs of the Great Lakes. Available in PDF format for printing.

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Lake Michigan

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Lake Huron Foodweb Thumbnail

Lake Huron

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Lake Superior Foodweb Thumbnail

Lake Superior

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Lake Ontario Foodweb Thumbnail

Lake Ontario

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Lake Erie Foodweb Thumbnail

Lake Erie

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Lake St. Clair Foodweb Thumbnail

Lake St. Clair

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Infographics & Posters

Download and print these infographics to hang in your classroom or nature center to help identify and stop the spread of invasive species.

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GLANSIS Watchlist Poster

Be on the lookout for these 10 potential invaders.

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Established Invaders Poster Thumbnail

Established Invaders Poster

Common aquatic invasive species in the Great Lakes.

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Most Unwanted Thumbnail

Top 10 Most Unwanted

A handout detailing the most destructive invaders.

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Top 10 Species Profiles

Detailed identification profiles for the worst offenders.

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