Dryland (s) management: The management of arid and semi-arid areas.

旱地管理：指对干旱和半干旱地区的管理。

youdao

The arid and semi-arid areas in the west part of China comprise about 37.

中国西部干旱半干旱地区约占全国土地面积的37。

youdao

This provides scientific basis for rational land use planning in arid and semi-arid areas.

这为干旱、半干旱地区制定合理的土地利用规划提供了科学依据。

youdao

The programme, which provides a UNESCO Global Network on Water and Development Information for Arid Lands was established in 2004 to strengthen the global capacity for management of water resources in arid and semi-arid regions.

UNESCO: In Memoriam: Professor W. Mike Edmunds

In a project that covers several parts of arid and semi-arid China Beijing, Hebei, Qingdao and Shenyang, as well as the Hai basin and the smaller Turpan basin the World Bank has been promoting water conservation.

ECONOMIST: But the science of yields is unyielding

"But, ' adds Mel Reasoner, Director of the Mountain Research Initiative, "in many arid and semi-arid areas, people are dependent not only on the amount of glacier melt water, but on the timing of the water flow.

UNESCO: 83e