What to record
For a basic woodland reconnaissance, species and DBH are a useful start. Add condition notes for defects, crown condition, wildlife features, invasive vines, unusual form, or other observations you want to revisit.
The worksheet calculates tree basal area from each DBH class and expands totals by the sampled acreage. It is especially useful for a single fixed-area plot or a group of equal-area plots whose areas have already been added together.