Horizontal cross sections cut through a trunk of a tree can tell us a little about the history of a tree in its own time ...

The UA has plenty of special features to offer, but one of its more overlooked aspects is its abundant plant life—specifically, that of the Laboratory of Tree-ring Research. UA’s tree-ring lab right ...

Perhaps you’ve wandered through a forest or strolled into a neighborhood park and found tree trunks — and wondered if counting the rings on a trunk is truly a way to know the tree’s age. “Most of us ...

The San Joaquin River watershed is amid its third consecutive year of below-normal precipitation. But three dry years are merely a drop in the bucket (pardon the pun) compared to a historical record ...

TUCSON — When Bryan Black accepted a post-doctoral research position at Oregon State University to study how fish grow, he hoped to apply his background in forest ecology to marine life. Black, a ...

Mary Gagen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...