Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Phong Nha-Ke Bang National Park' has mentioned 'Limestone' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Phong Nha-Kxe1xbaxbb Bxc3xa0ng National Park is in a limestone zone of 2,000xc2xa0km2 in Vietnamese territory and borders another limestone zone of 2,000xc2xa0km2 of Hin Namno in Laotian territory. | WIKI |
| The park was created to protect one of the world's two largest karst regions with 300 caves and grottoes and also protects the ecosystem of limestone forest of the Annamite Range region in North Central Coast of Vietnam. | WIKI |
| Phong Nha-Kxe1xbaxbb Bxc3xa0ng National Park is one of the world's two largest limestone regions. | WIKI |
| Non-karstic topographical area accounts for a low percentage, distributing mainly in outer circle of limestone in the north, northeast and southeast of this national park. | WIKI |
| [17] There are spectacular streams, springs and waterfalls in Phong Nha-Kxe1xbaxbb Bxc3xa0ng, namely: Gixc3xb3 waterfall, Madame Loan waterfall, Mxe1xbbx8dc stream erupting from a limestone mount range, and Trxe1xbaxa1 Ang stream. | WIKI |
| The name Phong Nha-Kxe1xbaxbb Bxc3xa0ng is composed of Phong Nha (cave) and Kxe1xbaxbb Bxc3xa0ng (limestone forest). | WIKI |
| From the 14th chamber there may be other corridors leading to similarly large chambers, but this area proves more dangerous for explorers because of the ongoing erosion of the limestone of the cavern. | WIKI |
| According to British cave scientists, Tixc3xaan Sxc6xa1n cave was created tens of million years ago when a water current holed this limestone mount in Kxe1xbaxbb Bxc3xa0ng. | WIKI |
| The limestone formation is also more spectacular than that of Phong Nha Cave. | WIKI |
| Trees on the limestone mounts, a typical florae in Phong Nha-Kxe1xbaxbb Bxc3xa0ng National Park | WIKI |
| By far the largest vegetation type is tropical dense moist evergreen forest on limestone under 800 m above sea level. | WIKI |
| 74.7% (1104.76xc2xa0km2) of the park is covered with evergreen tropical wet forest on limestone rocks at the elevation of under 800 m; 8.5% (126xc2xa0km2) is evergreen tropical wet forest on limestone rocks at an elevation higher than 800 m; 8.3% (122.2xc2xa0km2) evergreen tropical wet forest on soil mounts at the elevation of under 800 m; evergreen tropical wet forest on limestone rocks at the elevation of under 800 m; 0.7% (10.7xc2xa0km2) evergreen tropical wet forest on limestone rocks at the elevation of above 800; 1.1% impacted evergreen tropical wet forest on limestone rocks; 2.8% (42.12xc2xa0km2) impacted evergreen tropical wet forest on soil mounts; 1.3% (1,925) grass, bush on limestone rocks; 2% (29.5xc2xa0km2) grass, bush on soil mounts; permanent wetland forest: 1.8xc2xa0km2; rattan and bamboo forest: 1.5xc2xa0km2; and agricultural plants: 5.21xc2xa0km2 or 0.3%. | WIKI |
| Seedlings can only grow in holes and cracks in the limestone where soil has accumulated, so in general regeneration after disturbance is slow. | WIKI |
| In the park is a 50xc2xa0km2 forest of Calocedrus macrolepis on limestone (Calocedrus rupestris) mounts with about 2,500 trees, 60,000 per km2. | WIKI |
| [65] Limestone in the Phong Nha-Kxe1xbaxbb Bxc3xa0ng area has been exploited for commercial purposes by local inhabitants, but the local authority has taken no countermeasures to prevent this. | WIKI |
| The property contains and protects over 104xc2xa0km of caves and underground rivers making it one of the most outstanding limestone karst ecosystems in the world. | UNESCO |
| The limestone is not continuous and demonstrates complex interbedding with shales and sandstones. | UNESCO |
| Criterion (ix): Phong Nha-Ke Bang National Park consists of a complex limestone landscape, which includes very large caves and underground rivers. | UNESCO |
| The property includes karst formations which are some of the oldest and largest in Asia, and it has geological, climatic, hydrographic and ecological conditions which are distinct from other limestone karst landscapes. | UNESCO |