Frogs and Pesticides

pacific tree frogTwo fungicides are showing up in the tissues of Pacific treefrogs, even those that live in pristine national parks, a recent paper in the journal Environmental Toxicology and Chemistry shows. The pesticides aren’t just coming from agricultural operations, but also from illegal marijuana farming.
Read the LiveScience article here.
Find the abstract for the paper here.

A study published in the journal Evolutionary Adaptations found that frogs collected from ponds where their ancestors were likely exposed to the pesticide chlorpyrifos showed greater tolerance to that pesticide themselves, perhaps showing an evolutionary adaptation to surviving exposure to that pesticide.
Read the KQED story here.
See the abstract for the paper here.

Photo: Pacific treefrog, courtesy Washington Dept. of Natural Resources

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