Where there is water, the Populus Euphratica grows.

水流到哪里胡杨就生长到哪里。

Populus Euphratica loves water, but it also highly resistant to drought.

胡杨喜水却也有极强的抗旱能力。

In Ejina in the west of Inner Mongolia, there's a Populus Euphratica.

在内蒙古西部的额济纳有一颗胡杨树。

As the oldest tree in this Populus Euphratica forest, it's been guarding this place for more than 800 years.

作为这片胡杨林里最古老的一颗它守护这个地方已有800多年。

An adult Populus Euphratica can discharge tens of kilograms of salt and alkali every year.

一株成年胡杨每年能排出数十千克的盐碱。

Seasonally flooded river beds in the Gobi desert are perfect for the Populus Euphratica.

戈壁上的河水漫灌最利胡杨的生长。

As long as the groundwater is at least 4 meters below, Populus Euphratica can live comfortably.

只要地下水不低于4米胡杨就能生活得自在。

To the south of the Populus Euphratica forest in Ejina, lies Badain Jaran, the third largest desert in China.

在额济纳胡杨林的南边是中国第三大沙漠巴丹吉林。

Without this 260 square kilometer Populus Euphratica forest, the Badain Jaran Desert, already 49,200 square kilometers in size, would spread northward, squeezing the living space of humans.

如果没有这片260平方千米的胡杨林总面积49200平方千米的巴丹吉林沙漠就会向北扩散挤压人类的生存空间。