Lake Michigan turtles used as pollution barometer
Notre Dame, Ind. (UPI) Jun 9, 2016 -
Researchers monitoring the ecological health of the Great Lakes are looking to turtles for help.
The long lifespans of painted turtles and snapping turtles - which can live as long as 20 and 50 years, respectively - make the species ideal barometers of environmental health.
Turtles are relatively high on the food chain, which means toxins accumulate in turtles in measurable amo ...
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