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Freshwater Science: Finding Veterinary Pharmaceuticals in Lake Erie Tributaries | Ohio Sea Grant

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Freshwater Science: Finding Veterinary Pharmaceuticals in Lake Erie Tributaries

May 23, 2023 – Applied research from Ohio Sea Grant, Stone Lab and the Harmful Algal Bloom Research Initiative

About 1.2 million kilograms of antibiotics are produced for U.S. agriculture each year, and up to 90% of those antibiotics can be excreted by livestock un-metabolized. In the environment, those pharmaceuticals can lead to human health risks such as antibiotic resistance, as well as damage to local ecosystems, when manure is applied to land.

Dr. Laura Johnson at Heidelberg University is examining whether antibiotic concentrations in water samples from Lake Erie tributaries can be linked to nutrient runoff from livestock farms into Lake Erie, and whether that antibiotic data can be used to better explain variations in nutrient loading to the lake.

The webinar is free, but registration is required to receive log-in information.


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About the Speaker

Laura Johnson
Laura Johnson Director, National Center for Water Quality Research, Heidelberg University

Laura Johnson is director of the National Center for Water Quality Research at Heidelberg University in Tiffin, Ohio. At the NCWQR, long-term monitoring of streams and rivers is used to examine the influence of human activities on water quality and help decide actions that lead to healthier ecosystems. Laura is best known for research examining the linkages between agricultural runoff and harmful algal blooms in Lake Erie. As director, she has overseen the expansion of the monitoring program, curriculum development in Watershed Science, revitalization of the Sandusky River Watershed Coalition, and has been part of numerous workgroups and advisory boards. Under her guidance since 2016, the NCWQR continues to be the gold standard for research in nonpoint source pollution in watersheds.

Freshwater Science webinar series, go.osu.edu/OSGWebinars

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