Geoscience BC is releasing the results of an innovative tree-top sampling program led by Noble Exploration Services Ltd. The study looked at whether trace amounts of metals found in spruce trees could ...
Dendrochronologists extract a small, pencil-shaped sample of wood from a tree with a tool called an increment borer. The tiny hole left in the tree's trunk quickly heals as the tree continues to grow.
This is professor Mary Gagen core sampling a tree. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the ...