The longer, warmer days of spring spark phenological changes in trees, from root to tip. As their limbs stretch and twist ...

Tree samples Griffin and his team bring back to the lab display little growth due to the drought, now in its 22nd year. The rings also indicate that today’s droughts stand out compared to those ...

It led her to team up with an Australian melodist and a Tucson dendrochronologist — a scientist who uses tree ring growth patterns to understand past variations in environmental conditions ...

It breaks off branches and scrapes bark. But it also affects inside the tree. The growth rings become slightly irregular and warped. Often scientists have studied regions where avalanches are ...

Dendrochronology—the art of tree-ring counting—allows us to precisely ... when a mother literally breaks her own body tissues to grow and nourish her baby. Elsewhere in the natural world ...

These eruptions likely cast a volcanic winter over the northern hemisphere, impacting the trees at Mount Iškoras in Norway, where the study was conducted. "Blue rings look like unfinished growth ...

Our study delved into this using dendrochronology, the analysis of tree growth rings, to explore relationships between flooding, climate variables, and site-specific conditions. Dendrochronology ...

which means that many of the alerce tree's growth rings could not be counted. To account for the remaining years of growth, the team developed a mathematical model that took into account how F.

The lines on tree cores show the annual tree growth rings. Credit: Jacqueline Gerson. Mining pollutes the environment and harms human health. Credit: Tatiana Manidis. Small-scale operations set up ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The most accurate way foresters determine the age of a tree is by ...

That’s because these trees often lack regular growth rings, he said. “The rings are not easy to see.” Most species of trees form annual growth rings. Researchers can count the number of ...

found in tree growth rings, according to the statement. Carbon-14 is a naturally occurring radioactive variant of carbon, it forms in the atmosphere when cosmic radiation interacts with nitrogen.