Charleston Students Presented Marine Science Research

College of Charleston graduate students shared new findings on harbor microplastics and blue crab reproduction.

Updated on Oct. 9, 2026 in Environmental

A glass research beaker with marine sediment sits on a weathered wooden dock overlooking a tidal harbor. — Researchers at the College of Charleston presented new findings on microplastic levels and blue crab reproduction within Charleston Harbor at a marine science colloquium. AI Illustration. Upload story photo >

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Graduate researchers at the College of Charleston shared their latest findings on Charleston Harbor at an annual marine science colloquium held at Fort Johnson. The presentations covered ongoing studies regarding local blue crab reproduction and the prevalence of microplastics throughout the harbor.

Why it matters

The research aims to provide fisheries managers with data to support sustainable crab populations and helps authorities understand how human activity influences the local coastal environment.

Graduate students utilized microscopes to track ovarian development stages in blue crabs during five months of continuous reproduction. The microplastic study compares water and sediment content against marine species with diverse feeding strategies.

The players

College of Charleston

This public university located in Charleston is known for its marine biology and environmental science graduate programs.

NOAA

The National Oceanic and Atmospheric Administration is a federal agency focused on the conditions of the oceans and the atmosphere.

South Carolina Department of Natural Resources

This state agency is responsible for managing and protecting South Carolina's natural resources and wildlife.

The details

Researchers confirmed that microplastics are present at every site sampled in the harbor, with higher concentrations identified under the Ravenel Bridge than at Fort Johnson. The marine science program conducts this work in collaboration with NOAA and the South Carolina Department of Natural Resources.

The marine science colloquium took place at Fort Johnson on Friday, October 9, 2026.
The ongoing blue crab research study is scheduled to conclude in March 2027.

The Big Picture

The findings presented at the colloquium continue the academic tradition of the College of Charleston marine science graduate program. This work bridges the gap between laboratory analysis and local environmental policy formulation for the Charleston area.

The data regarding microplastics and crab reproduction will directly inform regional environmental policies and fishery management strategies. These findings may eventually lead to new regulations or conservation efforts aimed at protecting the health of the harbor ecosystem.

The takeaway

Student research findings are intended to shape future environmental policies over the next 20 years. Residents can stay informed about coastal health by tracking updates from the South Carolina Department of Natural Resources.