The Pengbo River is a tributary of the
Lhasa River
The Lhasa River, also called Kyi Chu (, ), is a northern tributary of the Yarlung Tsangpo River in the south of the Tibet Autonomous Region of China.
The Yarlung Tsangpo is the upper section of the Brahmaputra River. The Lhasa River is subject to ...
that runs through the western part of
Lhünzhub County
Lhünzhub County, also called Lhundrub or Linzhou County, is a county in Lhasa towards the north-east of the main center of Chengguan, Tibet, China.
It covers an area of and as of 2000 had a population of 50,895 people, almost all classified a ...
, Lhasa municipality, Tibet, China.
Location
The Pengbo River is one of the main tributaries of the Lhasa River, located in Lhünzhub County. The river valley holds the
Hutoushan Reservoir, the largest reservoir in Tibet, with total storage of .
Environment
There are three natural forests in the river basin. A 2013 report said that although the Lhasa Municipal Forestry Bureau was undertaking an extensive afforestation program, half of the seedlings planted along the Peng Po river died in the dry season due to sandy soil and lack of water. The valley is home to
black-necked crane
The black-necked Crane (''Grus nigricollis'') is a medium-sized crane in Asia that breeds on the Tibetan Plateau and remote parts of India and Bhutan. It is 139 cm (55 in) long with a 235 cm (7.8 ft) wingspan, and it weighs ...
s, who spend their nights on
Hutoushan Reservoir during the winter, foraging in the farmland in the day. A protected area of has been established for the black-necked cranes. In 1996 there were about 4,000 of the birds, most of whom spent their winters in the valleys of the
Nyanga Nyanga may mean:
*Nyanga Province, of Gabon
* Nyanga River, in Gabon and Congo
*Nyanga people, an ethnic group from Congo
*Nyanga, Zimbabwe, a town
*Nyanga District, Zimbabwe
*Nyanga National Park in Zimbabwe
* Nyanga, Western Cape, a township in S ...
, Lhasa and Pengbo rivers and the middle reaches of the
Yarlung Tsangpo
The Yarlung Tsangpo, also called Yarlung Zangbo () is the upper stream of the Brahmaputra River located in the Tibet Autonomous Region, China. It is the longest river of Tibet and the fifth longest in China. The upper section is also called Dan ...
.
Irrigation
The river basin contains of farmland, of which could be irrigated.
The Pengbo Basin receives less than of precipitation annually.
A 1995 report concluded that water deficiency in the Pengbo basin was very high, particularly during the growing season from March to May, and was expected to become worse.
The report recommended building a canal from Zhikong, running along the right bank of the Lhasa River for to transfer water to the Pengbo basin for irrigation of .
In 2013 a spokesman for the Lhasa City Water Conservancy Bureau said the Peng Po Northern Irrigation canal project would be started that year.
Notes
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Rivers of Lhasa
Tributaries of the Brahmaputra River
Lhünzhub County