Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Uvs Nuur Basin' has mentioned 'Drainage basin' in the following places:
Occurrence Sentence Text Source
The basin is part of the Central Asian Internal Drainage Basin and is named after Uvs Lake (Uvs Nuur, Ubsu Nur), a large saline lake situated in the western part of its drainage basin and is one of the last remnants of the mammoth steppes.
Uvs Lake Basin may also refer to Ubsunur Hollow (Russian: xd0xa3xd0xb1xd1x81xd1x83xd0xbdxd1x83xd1x80xd1x81xd0xbaxd0xb0xd1x8f xd0xbaxd0xbexd1x82xd0xbbxd0xbexd0xb2xd0xb8xd0xbdxd0xb0, Ubsunorskaya Kotlovina), which is the western part of the drainage basin, or to over 10,000xc2xa0km2 (3,900xc2xa0sqxc2xa0mi) of protected areas covering the lake and its surroundings.
The hollow, and most of the drainage basin, are situated in the Khxc3xb6vsgxc3xb6l, Zavkhan and Uvs Provinces of north-western Mongolia, and the Mongun-Tayginsky, Ovyursky, Tes-Khemsky and Erzinsky Districts of southern Tuva.
Ubsunur Hollow covers the western part of the Uvs Nuur drainage basin
The more eastern part of the Uvs Lake drainage basin extends, in the north, to the Sengilen ridge of the Sayan Mountains, and in the east, to the basin of Sangiin Dalai Lake.
More to the east, the Bulnai mountain rangexc2xa0[sv] forms the southern border of Uvs Lake's drainage basin.
Mongun Taiga, Russia (50xc2xb012xe2x80xb2N 90xc2xb012xe2x80xb2Exefxbbxbf / xefxbbxbf50.200xc2xb0N 90.200xc2xb0Exefxbbxbf / 50.200; 90.200), west of the Uvs Lake drainage basin.