Warmer winter temperatures have altered frost patterns and growing seasons across the United States, forcing botanical gardens and arboretums to adapt.
trees
Posted inEditors' Highlights
Revised Emissions Show Higher Cooling in 10th Century Eruption
The associated cooling from the Eldgjá eruption is larger than previously predicted and better matches tree-ring temperature reconstructions based on updated estimated emissions.
Posted inEditors' Highlights
Old Forests in a New Climate
It’s usually cooler under a forest than outside the forest, but that natural temperature buffering didn’t make global warming any less strong during the last 45 years in an old-growth forest of Oregon.
Posted inNews
Some Tropical Trees Benefit from Lightning Strikes
Direct lightning strikes cause minimal damage to Dipteryx oleifera. But these same strikes effectively kill parasitic vines and neighboring trees that compete with the species for light and nutrients.
Posted inEditors' Highlights
Peatland Plantations in Southeast Asia are Carbon Hotspots
A new study reports a rare set of data on greenhouse gas production and transport for a tropical peatland plantation showing exceptionally high concentrations of dissolved organic carbon.
Posted inResearch Spotlights
A Warming Climate Is Shifting Eurasian Drought Conditions
Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.
Posted inResearch Spotlights
Trees Can Cool Cities, But Only with a Little Help
To get the benefits of trees, city managers must give greenery what it needs to thrive, says new research.
Posted inScience Updates
Sensing Potential, Scientists Refine Thermal Imaging of Ecosystems
At a recent “bake-off,” researchers judged thermal infrared cameras and developed guidelines for their consistent use in studying vegetation temperatures, which illuminate vital ecosystem processes.
Posted inNews
Boreal Forests May Be on the Move
A new model shows a tendency for tree cover to decline in warmer areas and increase in colder ones.