Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Okavango Delta' has mentioned 'Buffer zone' in the following places:
Occurrence Sentence Text Source
The inscribed World Heritage property encompasses an area of 2,023,590 ha with a buffer zone of 2,286,630 ha.
Furthermore, potential impacts from mining including concessions in the buffer zone and outside the buffer zone need to be carefully monitored and managed to avoid direct and indirect impacts to the property, including water pollution.
The Tribal Land Act of 1968 also applies to the property and the whole of the nominated area (and the buffer zone) is communally-owned Tribal Land under the control of the Tawana Land Board.
The Northern Buffalo Fence, also within the alignment of the property buffer zone, is known to disrupt connectivity in particular for the regionxe2x80x99s Roan and Sable Antelope populations.