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Tens of millions of trees in danger from California drought [View all]
https://carnegiescience.edu/news/tens-millions-trees-danger-california-drought[font face=Serif][font size=5]Tens of millions of trees in danger from California drought[/font]
Monday, December 28, 2015
[font size=3]Washington, DC—California’s forests are home to the planet’s oldest, tallest and most-massive trees. New research from Carnegie’s Greg Asner and his team reveals that up to 58 million large trees in California experienced severe canopy water loss between 2011 and today due to the state’s historic drought. Their results are published in Proceedings of the National Academy of Sciences.
…
“The Carnegie Airborne Observatory's research provides invaluable insight into the severity of drought impacts in California's iconic forests. It will be important to bring their cutting-edge data and expertise to bear as the state seeks to address the effects of this epidemic of dying trees and aid in the recovery of our forests,” said Ashley Conrad-Saydah, deputy secretary for climate policy at the California Environmental Protection Agency.
Since day one of CAO flight operations, Asner has been engaged with forest managers and officials from the California EPA and Department of Forestry and Fire Protection to inform decision-makers on the severity of forest water losses from the drought and beetle outbreaks. The team’s results also helped motivate the California governor’s recent proclamation of a state of emergency for dead and dying trees across the state. The latest CAO maps of forest vulnerability were recently transmitted to both state and federal partners.
“Our high-resolution mapping approach identifies vulnerable trees and changing landscapes,” Asner added. “Continued airborne and satellite monitoring will enable actions on the ground to mitigate a cascade of negative impacts from forest losses due to drought, as well as aid in monitoring forest recovery if and when the drought subsides.”
[/font]
Caption: Progressive forest canopy water stress in the state of California from 2011 to 2015, courtesy of Greg Asner.
…[/font]
Monday, December 28, 2015
[font size=3]Washington, DC—California’s forests are home to the planet’s oldest, tallest and most-massive trees. New research from Carnegie’s Greg Asner and his team reveals that up to 58 million large trees in California experienced severe canopy water loss between 2011 and today due to the state’s historic drought. Their results are published in Proceedings of the National Academy of Sciences.
…
“The Carnegie Airborne Observatory's research provides invaluable insight into the severity of drought impacts in California's iconic forests. It will be important to bring their cutting-edge data and expertise to bear as the state seeks to address the effects of this epidemic of dying trees and aid in the recovery of our forests,” said Ashley Conrad-Saydah, deputy secretary for climate policy at the California Environmental Protection Agency.
Since day one of CAO flight operations, Asner has been engaged with forest managers and officials from the California EPA and Department of Forestry and Fire Protection to inform decision-makers on the severity of forest water losses from the drought and beetle outbreaks. The team’s results also helped motivate the California governor’s recent proclamation of a state of emergency for dead and dying trees across the state. The latest CAO maps of forest vulnerability were recently transmitted to both state and federal partners.
“Our high-resolution mapping approach identifies vulnerable trees and changing landscapes,” Asner added. “Continued airborne and satellite monitoring will enable actions on the ground to mitigate a cascade of negative impacts from forest losses due to drought, as well as aid in monitoring forest recovery if and when the drought subsides.”
[/font]
Caption: Progressive forest canopy water stress in the state of California from 2011 to 2015, courtesy of Greg Asner.
…[/font]
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