Not exact matches
The greatest drought in the nation's history
continued last week to blight the lives of people throughout a vast region in the central and southwestern part of the U.S., bringing withered crops, emaciated cattle, dead or
dying trees, waterless streams and the decimation of wildlife.
On this blustery June day, for Hessl to
continue her scientific sleuthing, she needs access to a specific sort of research site, one where
trees that
died hundreds of years ago have been preserved without rotting or insect infestation.
As the climate
continues to warm and produce more severe droughts, fires and
tree die - off events across the western United States, the potential for widespread vegetation - type conversion is becoming increasingly plausible.
For example, certain species of beetle that usually
die off each winter are now able to survive and
continue feeding on
trees.
Around 41,000 square miles of forest with 888 million
trees had measurable losses of canopy water in the last four years, and if the drought
continues, 58 million of the worst - affected
trees will likely
die, they note.