Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Schokland and Surroundings' has mentioned 'Buffer zone' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Since 2002, a hydrological buffer zone has been constructed on the east side of the island so as to prevent subsidence of the island and damage to the archaeological record in the soil due to groundwater depletion. | UNESCO |
| Since 2012, all parties strive to define a second hydrological buffer zone at the southern tip of the former island, involving another 200 hectares of land. | UNESCO |