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Public Lands · Wildlife
Hard lessons from the border
By Gary Paul Nabhan
![](https://i0.wp.com/writersontherange.org/wp-content/uploads/2021/07/greg-bulla-6RD0mcpY8f8-unsplash-1-scaled.jpg?resize=500%2C375&ssl=1)
Animals have been blocked from migration, their food chains disrupted. Now, exotic weeds, insects and diseases can use the lengthy scar as a nick point for invasion, ultimately disrupting far more than what human border-crossers can do. Photo by Greg Bulla on Unsplash
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