1、Climatic change and influence in arid and semi-arid area of China

2、Solid water affords a new approach to drought resistant planting in arid and semi arid area.

3、Unbalanced development strategy for urban system planning in arid area;

4、The arid area physical geography condition particularity is the arid area social economy development important restriction factor.

5、Located in an arid and semi-arid area, Ningxia is one of the weakest ecological systems in China.

6、Pollen assemblage characters of human disturbed vegetation in arid area in northwestern China

7、Water harvesting engineering is a must in cities of dry and arid area;

8、Coverage extraction and up-scaling of sparse desert vegetation in arid area

9、Effects of air temperature change on spring wheat growth at different altitudes in northwest arid area

10、The oasis, which constitutes the arid area, sustains the life and development of the arid area's people, and forms a contradictory with the desert.

11、In more arid area, man probably watched wild horses, wolves, and other animals dig for water and followed their example.

12、Soil salinization in arid area and its economic loss evaluation of eco-environmental damages:a case of Shaya County in Xinjiang

13、Evolution of urban spatial structure in the arid area of Northwest China:a case study on the city of Bayanhaote;

14、Changing characteristics of CO_2 flux from the interface of soil-atmosphere at arid area in north temperate

15、Propylaea japonica is one of important predatory natural enemies in arid and semi-arid area China, especially those preying on younger larvae and eggs of insect pest in orchards and cotton fields.

16、Developing alfalfa industry and farming-livestock integrated system is a imperative road to thrive region economy and improve ecological environment in northwestern arid and semiarid area.

17、The characteristics of drought and construction of drought-resistant and relievable farming system on the arid area of the Loess Plateau in the middle and east Gansu province

18、Cultivating experiment of Prunus armeniaca by using pocket-transplanting method is one of the investigation contents about new forestation techniques in semi-arid area.

19、In the arid area of Northwest China, the whole ecological environment is very vulnerable, and water is an important factor for the sustainment of the oasis ecological environment.

20、Checking the nonlinear characteristics of annual runoff processes of inland rivers in arid area of northwest China:A demonstration from the three headwaters of the Tarim River;

21、Arid regions cober arid and semiarid areas.

22、Because of the rich natural resources, the arid area of northern Wei River has become a production base of grain, fruit, and livestock of Shannxi, which takes an important position in the development of agriculture economy in Shannxi.

23、The wetland in Ganghuang section of Hutuo River is a typical wetland of arid area in north China. The affecting factors can be divided into natural factor and human factor.

24、In the arid area, the storage water in deep layers of soil can adjust water utilization of plants, but artificial alfalfa can absorb lots of water from deep layers and lead to soil desiccation.

25、In the mountainous watershed of the Heihe River, the runoff coefficient is much larger than that of the whole arid area, but it is still less than the average value over the whole country.

26、Wheat is mainly grown in arid and semi-arid areas.

27、Review on the ecological effects of N deposition in arid and semi-arid areas

28、Therein has been his great strength.

29、dryland(s) management: The management of arid and semi-arid areas.