The unburned part of a wildland fire area is the?

The unburned part of a wildland fire area is referred to as "green." This term indicates the areas that have not been affected by the fire, which typically include vegetation that remains intact and unharmed. The green areas can serve as important buffers or barriers to fire spread and may also be valuable for ecological recovery following a fire event.

In contrast, other terms represent different parts or behaviors of a wildland fire. The term "heel" refers to the portion of the fire opposite the head, where fire intensity is often lower and more manageable. "Black" describes areas that have already burned and show charred debris or soil, indicating that fire has passed through. Lastly, "flank" denotes the sides of the fire, which can experience active burning and require careful management to prevent fire spread. Understanding these terms helps fire personnel strategize effective suppression tactics and better understand fire behavior dynamics.