Answer:
-A system of temporary reference points established in the field allows users to move freely within the study area without losing the geographical referencing.
- It allows the user to perform the mapping of trees, deadwood, transects, repeated measurements and data verification.
-Reference points can be made to create different measurements then these measurements can be repeated for a valid result.
Step-by-step explanation:
Hope it helps..
Just correct me if I'm wrong..