Microplastics in Lake Superior: An Investigation of Size, Composition, and Weathering.

2020-2022 Biennial Request for Proposal Project

Image credit: Oregon State University/CC 2.0

The goal of this project is to characterize the size and weathering of plastic particles in Lake Superior and the St. Louis Estuary.

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Why do this

This project seeks to address knowledge gaps regarding smaller-size microplastics, which are considered to be significantly biologically active.


Minnesota Sea Grant provided research support through our 2020-2022 biennial competitive Request for Proposal (RFP) process.

Lead scientist(s)

Melissa Maurer-Jones
Assistant Professor
Department of Chemistry and Biochemistry
University of Minnesota Duluth

Media Mentions


  • Bigelow Laboratory for Ocean Sciences, NGO
  • Minnesota Department of Natural Resources, State/Local Government
  • University of Minnesota, Department of Chemistry and Biochemistry, Academic Institution (College and University)
  • University of Minnesota, Duluth, Biology Department, Academic Institution (College and University)
  • University of Minnesota, Duluth, Large Lakes Observatory, Academic Institution (College and University)