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Tracking Drought Impacts On Redwoods And Sequoias

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Some of our trees are looking mighty ragged after several years of drought.  That's to be expected. 

But the kinds of stresses they're showing are new to researchers who know trees well. 

Those include the (southern) coast redwoods and the giant sequoias... many are clearly stressed, and some are dying. 

Redwood expert Anthony Ambrose at the University of California-Berkeley points out that the biggest redwoods need up to 2000 liters of water A DAY to survive, and drought and climate change will challenge that intake. 

He joins us with his observations and outlook.    
 

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Geoffrey Riley is a graduate of the University of Missouri School of Journalism and has hosted the Jefferson Exchange on JPR since 2009. He's been a broadcaster in the Rogue Valley for more than 35 years, working in both television and radio.