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Researcher Vanderpool uses his iPad to hunt down small pine trees in the forest.

Researcher Vanderpool uses his iPad to hunt down small pine trees in the forest.

Christoph Seidler/ DER SPIEGEL

California's 'Survivor' Trees Researchers Pin Hopes on More Resilient Pines

California's forests are home to around 130 million dead trees, which have been killed by long droughts and bark beetles. Researchers are now growing a new generation of more resilient pines they hope will make forests more sustainable.
By Christoph Seidler in Tahoe City, California
A dead tree: Maloney noticed when tracking trees that some survive.

A dead tree: Maloney noticed when tracking trees that some survive.

Christoph Seidler/ DER SPIEGEL
Patricia Maloney: The pine cones produced by the sugar pine can be impressively large.

Patricia Maloney: The pine cones produced by the sugar pine can be impressively large.

Christoph Seidler/ DER SPIEGEL
Seedlings at the University of California, Davis field station in Tahoe City

Seedlings at the University of California, Davis field station in Tahoe City

Christoph Seidler/ DER SPIEGEL
Survivor Trees: Will Resilient Sugar Pines Ensure Forests' Future?
Christoph Seidler/ DER SPIEGEL

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Survivor Trees: Will Resilient Sugar Pines Ensure Forests' Future?

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