As boreal forest wildfires increase in severity and frequency, new patterns of post-fire recovery are emerging. Research led by Jill Johnstone and colleagues at the U.S. National Science Foundation-supported Bonanza Creek Long-term Ecological Research site found that recent wildfires led to changes in tree species dominance that are persisting through post-fire succession in Alaska’s boreal forests. Boreal black […]
For more than 30 million years after dinosaurs first appeared, they remained inexplicably rare near the equator, where only a few small-bodied meat-eating dinosaurs made a living. The long absence at low latitudes has been one of the great, unanswered questions about the rise of the dinosaurs. Now the mystery has a solution, according to […]
When Carl Roland was hiking the high country in an Alaska national park not long ago, he thought the landscape looked different than any park in the Lower 48. The alpine zone seemed to be carpeted with more plant species than the much-larger forests and wetlands in the valleys below. When Roland looked at plant […]