VIDEO: Documentary series highlights invasive species in national parks – Part 4

A series of short documentaries covering invasive species in the Great Lakes was released in October, showing how invaders are changing the ecosystems in national parks and what’s being done to stop them. Videos were created by the National Park Service funded by the Great Lakes Restoration Initiative.

In Part 4, see how the emerald ash borer has decimated ash trees, wreaking havoc in the forest and on the baseball field.

Click to see Parts one, two and three of this series.

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