Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ujung Kulon National Park' has mentioned 'Nature reserve' in the following places:
Occurrence Sentence Text Source
Krakatoa (or rather, the three islets which remain of it) was declared as a Nature Reserve in 1921, followed by Pulau Panaitan and Pulau Peucang Nature Reserve in 1937, the Ujung Kulon Nature Reserve in 1958, the Gunung Honje Nature Reserve in 1967, and most recently Ujung Kulon National Park in 1992.
The peninsula, along with Pulau Panaitan were established as a nature reserve in 1921 and subsequently redesignated as a game reserve and extended in 1958 to include several offshore islands and marine areas.
The mainland component of the property was established as a nature reserve in 1967 and the Ujung Kulon reserve complex was declared a xe2x80x98proposedxe2x80x99 national park in 1980 with the Krakatau Nature Reserve included into the site in 1983.