Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Swiss Alps Jungfrau-Aletsch' has mentioned 'Forest' in the following places:
Occurrence Sentence Text Source
Tree line of the Aletsch Forest (Pro Natura nature centre).
An example of Pinus cembra forest is the Aletsch Forest above the Aletsch Glacier and near the tree line.
1933: The protection of the Aletsch forest is assumed by the canton of Valais 1960: The canton of Berne assumes the protection of the upper Lauterbrunnen Valley 1983: The Bernese Alps are included on the Federal Inventory of Landscapes and Natural Monuments, with a revision of the area in 1998 2001: The area is inscribed in the UNESCO World Heritage list under the name Jungfrau-Aletsch-Bietschhorn 2007: Extension of the site, new name Swiss Alps Jungfrau-Aletsch
Superb examples of plant succession exist, including the distinctive upper and lower tree-line of the Aletsch forest.