Researcher Andrew stands in Afton Park, holding an ash leaf and writing a label on a plastic bag
ash tree with bark removed and visible beetle galleries
Minnesota has a larger Ash Tree population than any other American state. How are Emerald Ash Borer beetles changing the lives and health of Minnesota's ash populations? plpa.cfans.umn.edu/news/galleries research by @andrewmann.bsky.social @forestmycology.bsky.social funding by NSF