Which species may be at risk of losing genetic variation? Threat Center research highlighted.
Scientists used the history of live plant imports and invasion by a common group of insects to estimate the rate at which new insects are arriving and how many new species may yet be in store for U.S. forests and agricultural fields.
Eastern hemlock, American chestnut, sassafras, redbay, every member of the ash family, and many others are plagued by non-native invasive species. A new book synthesizes current science on species invading U.S. forests, grasslands, and waterways.
Landscapes with diverse fire histories have higher diversity of pollinators, recent USDA Forest Service research shows.