Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche' has mentioned 'Biosphere reserve' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [10] Calakumul is now located within the 1,800,000-acre (7,300xc2xa0km2) Calakmul Biosphere Reserve. | WIKI |
| The total area of the extended property is 331,397 ha, surrounded by a buffer zone of 391,788 ha; together they equal the area of the entire Calakmul Biosphere Reserve. | UNESCO |
| The Property has exceptional ecological and cultural integrity as there has been no significant human intervention since the Calakmul Biosphere Reserve was established as a natural protected area in 1989. | UNESCO |
| The property protection is guaranteed due to its location within the Calakmul Biosphere Reserve, established in 1989 as a Natural Protected Area. | UNESCO |