To lie in South Jiang Tarim Basin , it is extremely an arid desert area, annual precipitation only 20-60 mm. Moustache Yang is in this kind of very abominable area of arid desert only arbor seeds that can survive .It has to be extremely strong vitality,
known as" desert 3,000 years old" namely life last more than 1000
years, after dying and trunk will not fall in 1000 years,
not rotten in millennium . It is able to bear the high temperature ,cold-resistant, but survive under 39 degrees or minus 39 degree of temperature conditions ; Drought-resistant, grow under the condition under precipitation 50 mm ; It is able to bear saline and alkaline , resist the sand blown by the wind, can resist strong wind of 26 meters per second . It form a special ecosystem with the wild animal and sand-born plant , such as sacsaoul, Chinese tamarisk, licorice root, the camel
thorn, etc. The area of moustache Yang is natural protective screen to protect the agriculture of sand district and the animal husbandry, is the important habitat of the wild animal, is a subject of safeguarding this regional ecological balance.
It mainly distribute around the Mediterranean, our country, 20 countries etc. Moustache Yang of our country is distributed in Xinjiang of the area of the northwestern part, the western part of the Inner Mongol, Qinghai,
Gansu, Ningxia etc. 5 provinces, 91.1% of the moustache Yang in the whole country concentrates in Xinjiang, and moustache Yang in Tarim Basin river valley accounts for 89.1% of whole distributed area in china .
this kinds of desert river valley woods and Tarim Basin river like the green Great Wall and lock expansion of desert protecting the people of all nationalities of river valley of Tarim Basin , is praised as the protection spirit of the people of South Sinkiang. Among this special natural environment of South Sinkiang, without the ecosystem of moustache yang , there is not oasis of Tarim Basin river land , There is not people's living space.( scientific Times Yang JiPing) |
