By Collin Haffey
The Ecology Group at Bandelier National Monument has been monitoring tree growth on a weekly basis for more than 20 years.
Several trees located in Bandelier are ringed with dendrometer bands or dendrobands, for short.
A dendroband is a small ribbon of metal wrapped around the trunk of the tree and connected to a spring slide that moves as the tree grows and is measured by a Vernier scale. It’s basically a fancy ruler.
This scale enables us to measure a tree’s circumference down to a tenth of a millimeter.
The banded trees are located in three clusters that span the elevation range