Report Links Pesticide Exposure to Globally Declining Amphibian Population

Reader Contribution by Victoria Pitcher
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Terrestrial pesticide exposure may need a closer look as a factor in the globally declining amphibian population, a German and Swiss scientific report says. 

The report found that common pesticides could be killing frogs at an alarming rate — just one hour after spraying.  

The scientists tested seven common pesticides using an agricultural overspray scenario. Using the recommended label rate of the registered products, scientists found that in just one hour after spraying, the mortality rate was 100 percent. After seven days, the mortality rate was at 40 percent.

For ethical reasons, only three frogs were tested for each product, which raised some concerns for scientists. However, the findings are a catalyst for further study.

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