Using Puerto Rico's Luquillo Mountains as a case study, scientists use the region's geological history to study how knickpoints—areas where there's a sharp change in the river's slope—move over time.
forests
Posted inResearch Spotlights
Bark Beetles Cause Big Tree Die-Offs, but Streams Flow Steadily
Recent beetle epidemics have driven tree die-offs across North America, and previous studies predicted an increase in annual streamflow would follow—but a new study shows this may not be the case.
Posted inResearch Spotlights
Alaskan Wildfires Influence Permafrost Recovery
Warming climate reduces permafrost's ability to recover following wildfires in Alaskan lowland forest.
Posted inNews
Woody Vines Limit How Much Carbon Tropical Forests Sequester
Vines called lianas, which store less carbon than trees, are winning the competition for sunlight and water.
Posted inNews
Does War Influence Forest Growth?
Research focused in South Sudan shows that armed conflict can have a subtle effect on regional ecology.