Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pitons, cirques and remparts of Reunion Island' has mentioned 'Buffer zone' in the following places:
Occurrence Sentence Text Source
Core area (blue) and buffer zone (green) of Rxc3xa9union National Park
Adjacent to the core is an area of voluntary commitment (aire d'adhxc3xa9sion, buffer zone) covering 876.96xc2xa0km2 (338.60xc2xa0sqxc2xa0mi) and touching all 24 communes on the island.
While the rugged terrain provides a degree of natural protection against encroachment and human economic activities, such as agriculture, forestry, energy production and tourism; must be managed both in the property and its buffer zone in a way that is not in conflict with the integrity of the property.