Despite decades of industrial deposition, nitrogen availability in the boreal forest is steadily declining. In a new study published in Nature, researchers from the Swedish University of Agricultural ...

How do you determine the age of a tree? Just count the rings, of course! One ring equals one year of growth. If you’ve ever stumbled upon a tree stump you may have even done it yourself. But if you’re ...

In a recently published paper, PhD student Ellen Waddle and her coauthors provide some clarity on a decades-old problem When researching what drives the growth of small populations, ecologists ...

Don't miss the big stories. Like us on Facebook. The longer, warmer days of spring spark phenological changes in trees, from root to tip. As the limbs of trees stretch and twist toward the sky in ...

TREES HAVE STORIES to tell. Within their annual growth rings are records of drought and deluge, but scientists can also use them to reconstruct environmental pollution events. Tree rings can be used ...