Scientists Discover New Invasive Species Threatening the Great Lakes Ecosystem
ROCHESTER, NEW YORK — A team of researchers from the University of Rochester has identified a previously unknown invasive species in the Great Lakes, sparking urgent concerns among environmental agencies. The discovery was made during a routine biodiversity survey conducted in the western basin of Lake Erie last month.
According to a report released Monday by the U.S. Geological Survey, the organism, tentatively classified as Dreissena rostriformis, is a mollusk resembling the infamous zebra mussel but exhibits a rapid reproductive rate and a tolerance for lower temperatures. Scientists say the species was likely introduced via ballast water from a transoceanic cargo vessel originating in the Caspian Sea.
The finding follows months of abnormal water clarity readings and a sharp decline in native fish populations. "This species has the potential to clog water intake pipes, damage boat hulls, and outcompete native mussels for food," said Dr. Patricia Hanley, lead author of the study. "The Great Lakes are a critical freshwater resource for 30 million people, and this invasion demands immediate intervention."
Experts are calling for enhanced monitoring programs and a temporary halt to ballast water discharges from international ships. Local officials in Michigan and Ohio have already deployed containment booms near affected shorelines. The full impact assessment is expected by the end of the year.