On the slope of a Utah mountain, a 106-acre colony of cloned aspen trees is under threat from wildlife and climate change.

Pando is a quaking aspen tree found in Utah's Fishlake National Forest in Sevier County. Looking at pictures of it, you'd be forgiven for wondering which one among the hundreds of trunks is that ...

Here, this lone male quaking aspen (Populus tremuloides ... Oditt hopes to use sound to map Pando's tangle of roots. "The sounds are beautiful and interesting, but from a practical standpoint ...

Here, this lone male quaking aspen (Populus tremuloides ... Oditt hopes to use sound to map Pando's tangle of roots. "The sounds are beautiful and interesting, but from a practical standpoint ...