Girl Planting seeds

New study shows legacy of DDT to lake ecosystems

New findings of a multi-university research team show the pesticide DDT persists in remote lakes at concerning levels half a century after it was banned, affecting key aquatic species and potentially entire lake food webs.  "What was considered yesterday's environmental crisis in the 1950s through 1970s remains today's problem," says lead author Dr. Josh Kurek, Assistant Professor in Geography and Environment at Mount Allison University. "Decades of intense insecticide applications to our conifer forests have left a lasting mark on these lakes—and likely many others in eastern North America."  Read more...

 

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