Silk Road trade hub struggles to conserve water

0 Comment(s)Print E-mail Xinhua, October 4, 2013
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Chinese authorities are planting trees, repairing a reservoir and working on water diversion in an effort to conserve water for oasis city of Dunhuang, home to UNESCO World Heritage Mogao Caves, a shrine of Buddhist art treasures.

Dunhuang, once a crucial trade town along the ancient Silk Road that traversed the Gobi Dessert, is irrigated by streams coming from snow-capped Qilian Mountains.

As tourism boomed and population exploded, the melting ice could no longer accommodate the city's water usage. Three decades ago, locals begun to extract underground water, an important supplement. But now, neither the streams nor underground water could stand further exploitation.

To tackle water shortage, Dunhuang government decided to clear silt deposited in a reservoir that has been irrigating the city's farmlands for more than 30 years.

"Dunhuang is very arid. The ecosystem is fragile as well. The shrinking underground water aggravated the city's deforestation," said Zhang Keding, an official in charge of Dunhuang's reservoirs.

To prevent sands from flowing into the reservoir, local authorities have been planting trees in the reservoir's upstream.

In addition, the local government is pushing forward a water diversion project designed to transfer water to Dunhuang from a nearby lake.

The project would not only increase the underground water, but also dredge silt in the reservoir, said Deng Wei, chief of Dunhuang Water Supplies Bureau.

Deng said the construction could start as early as next spring, adding the initial design of the project is under review. More than 150,000 residents could benefit from the water diversion project, according to the water supplies bureau.

Dunhuang also imposed strict water allocation. Drip irrigation and high water fares are among the measures rolled out to keep the underground water levels from falling .

Dunhuang is known for its Mogao Caves, a key stop-off point for faithful merchants along the ancient Silk Road.

Nowadays, thousands of visitors swarm every day to Mogao, the home to more than 2,000 colored sculptures and 45,000 square meters of frescoes in 735 caves carved along a cliff by ancient worshippers.

Booming tourism industry boost the economy of Dunhuang, but the surge of visitors also strain limited resources including water.

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