Methylmercury levels were three times higher in mountain lions living along the coast than among those in inland areas, researchers found.
Coastal fog may be carrying toxic levels of methylmercury, which is then dumped on the land and makes its way up the food chain and contaminates mountain lions living in the region, according to a study by UC Santa Cruz researchers.
Mercury is a naturally occurring pollutant that is released into the environment through mining and coal-fired power plants. It’s so widespread that almost everyone has small amounts of the neurotoxin in their system, according to the Environmental Protection Agency. Humans are typically exposed to the chemical when they eat fish and shellfish.Advertisement
Lichen and deer in the fog zone also had significantly higher mercury levels than those in inland areas.
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