Strontium Isotope Ratios in Fish Otoliths as Biogenic Tracers of Coal Combustion Residual Inputs to Freshwater Ecosystems
A Duke University study shows that trace elements in a fish’s ear bones can be used to identify and track coal ash contamination in the waters where it lived. “Calcified structures—or otoliths—found in a fish’s inner ear are known to store a lot of life history information, including chemical and physical records of the fish’s … Read more