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Endocrine disrupting pollutants found in sea turtles

Posted on April 25, 2011 by Bob Berwyn

A hawksbill sea turtle swimming near Honduras. PHOTO VIA THE WIKIMEDIA COMMONS.

PCBs and other contaminants building up in food chain; migrating turtles face higher risk

By Summit Voice

SUMMIT COUNTY — A study of 29 radio-collared sea turtles suggests that turtles migrating north along the coast are being exposed to higher levels of man-made endocrine disrupting chemicals — called persistent organic pollutants because they don’t break down in the environment.

The migrating turtles face cumulative poisoning as contaminants infiltrate the food chain through prey species, such as crabs, according to the researchers.

The landmark study used satellite tracking to link geography with pollutants and revealed potential risks posed to this species threatened by manmade chemicals. The research, published today in Environmental Toxicology and Chemistry, examines the different levels of chemicals in the blood of both migratory and residential turtles. (more…)

Filed under: biodiversity, Environment, Marine biology, wildlife | Tagged: biodiversity, endocrine disrupting pollutants, Environment, Loggerhead sea turtle, national marine fisheries service, Persistent organic pollutant, Polychlorinated biphenyl, sea turtle, Summit County News, wildlife | Leave a Comment »

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