Tree Elders & Drought

La Paz Group

sequoias-1_custom-9d831bf09949d38d3d16746b895b30fc2bfa786a-s1100-c85.jpg Giant sequoias in the Sierra Nevada range can grow to be 250 feet tall — or more. John Buie/Flickr

Thanks to National Public Radio (USA):

How Is A 1,600-Year-Old Tree Weathering California’s Drought?

It’s been a brutal forest fire season in California. But there’s actually a greater threat to California’s trees — the state’s record-setting drought. The lack of water has killed at least 60 million trees in the past four years.

Scientists are struggling to understand which trees are most vulnerable to drought and how to keep the survivors alive. To that end, they’re sending human climbers and flying drones into the treetops, in a novel biological experiment.

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