Trees

Emerald Ash Borer And Other Invasives Hit NC Hard

May 23, 2016
an image of a metallic, green emerald ash borer
USDA

North Carolina is one of the states hardest hit by invasive forest pests, according to a report from the Cary Institute of Ecosystem Studies.

Part of the problem is global trade is bringing new insects and diseases that are devastating native trees, said Gary Lovett, the study’s lead author.

Wood Duck
Ellerbee Creek Watershed Association

Honking horns, slamming doors and congested streets: these are the sounds and sites of a bustling city. 

A busy Franklin Street in downtown Chapel Hill.
Town of Chapel Hill

Forestry experts and urban designers are gathering in Raleigh this week to discuss the effects of climate change on the urban landscape. The North Carolina Urban Forestry Conference is centered on how to design city spaces to cope with and help prevent rising temperatures.

It's not just about finding more places for shade trees (though that's something forestry types would certainly applaud). Scientists are also considering how to combat an increase in pests that prey on trees not suited for greater temperatures.

A Mystery Tree Grows In Chapel Hill

Jun 10, 2014
redwood
Parth Shah

For most people, taking care of the front yard means cutting the grass every few weeks.

But for Bill Massengale, lawn care involves looking after the lofty California coastal redwood growing in the front yard of his law office on Columbia Street.

“When we bought the place we were told that the only thing we had to do was to make sure nothing happens to the redwood,” Massengale says. “It’s one of my chief duties in life."

Trees in Chapel Hill,
Laura Candler

Officials with Duke Energy have decided to hold off on a program that would have used a chemical product, Cambistat, to slow the growth of trees near power lines. The utility planned to inject the application into the soil around trees.  The application would slow growth, reduce how often trees near power lines needed to be trimmed, and save money. But residents questioned the risks, and complained that they were being forced into the program. 

The Neuse River bike and pedestrian trail in Raleigh, forest, trees.
City of Raleigh

Researchers at Duke University have found evidence that climate change is shortening the life cycles of trees in the U.S.

Research in tropical areas like Peru has suggested that trees are migrating to cooler areas by producing offspring in higher elevations or latitudes, but the latest study says most plants in the U.S. might not be able to move quickly enough to keep up with rising temperatures. 

Leaves on trees in a forest.
Laura Candler

A new study from researchers at the University of North Carolina at Chapel Hill has revealed exactly how trees play a role in smog production. The question has been a source of scientific uncertainty for years, and the findings are a milestone in air pollution research, with potentially significant implications for public health.

Catkins of pollen on a pine tree
Donald Lee Pardue, via Flickr, Creative Commons

It’s April, and the scent of flowers is in the air. Unfortunately for allergy sufferers, those flowers also mean that it’s pollen season.  North Carolina pollen counts have been mostly low so far this year, but in the past couple days the count has risen dramatically.

A new study from Duke University points to tough times ahead for some tree species. Researchers examined data on climate change and the effect rising temperatures are having on tree populations in the eastern U.S. James Clark is a professor of biology and statistics at Duke. He says models that predicted trees would move with the climate were wrong.