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Wildflowers bloom on a grassland near Manhattan, the Konza Prairie Biological Station. Some trees can be seen in the distance. Keeping trees and shrubs at bay is part of prairie conservation.
Eva Horne
/
Konza Prairie Long-Term Ecological Research
Trees and shrubs are invading prairies, hurting the wildlife and making it harder to ranch. Yet it's hard to know the full extent of the problem, so Kansas State University found a way to map it out on the cheap.
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