Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Measurements of the area of available and removed bark. (A) The cylinder represents the trunk of the plant, measured in height (h) and DBH. (B) The ellipse represents a scar of bark removed from the trunk, where the major axis (a) and minor axis (b) were measured.
