POCATELLO – Idaho State University’s Colden Baxter and other ISU researchers contributed to a study that documents high levels of contaminants in the Colorado River as it flows through the Grand Canyon.
The study, released in the journal Environmental Toxicology and Chemistry, documents high levels of mercury and selenium in this stretch of the Colorado River. It has received widespread national and international media attention.
“One of the take-home messages of the study is that because the Grand Canyon is set aside as a national park people might expect it to be buffered from the impacts of such pollution, but we’ve learned over and over again that pollutants like selenium and mercury don’t know those boundaries,” said Baxter, an ISU associate professor of biological sciences who is the director of the ISU Stream Ecology Center and a coauthor on the recent paper. [Read more…]