Answer :

kmatras1
To map the field of a variable quantity, you will want to use a system of temporary reference points within the field. This way, you'll be able to move within the study area without losing your geographical references. You'll be able to map things like trees, allowing you to make repeated measurements and verify your data.

Answer and explanation;

-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.