A "buffer zone" is an area of space that is kept separate or protected to prevent harm or conflict between two things or groups. It acts as a barrier or cushion to ensure peace or safety. Full definition
Increasing land buffer zones between properties and changing harvesting practices would help to reduce genetic contamination risks. (austorganic.com)
In wolf packs, a greater concentration of male urine marks appear to be distributed along the peripheral buffer zone of the pack's territory compared with the core of the territory. (dogstardaily.com)
You do want to avoid interference, but really, it's too much to ask for a 150 - mile buffer zone around your gear. (techcrunch.com)