1. It may happen rarely in arid or semi-arid climates.

2. Possibly more than half the soils in the semi-arid regions are subject to severe erosion.

3. In order to overcome the problem of an inadequate water supply, many parts of the arid and semi-arid regions have been irrigated.

4. Its adaptability means that it can survive at high altitudes, in semi-arid areas, and in rocky areas as well as in forests.

4. is a online sentence dictionary, on which you can find nice sentences for a large number of words.

5. In arid and semi-arid regions leaching may be minimal and solutions in the weathering mantle can attain high concentrations of dissolved constituents.

6. Both places represent semiarid savannas and have repeatedly been affected by drought and famine.

7. Earlier developments by geographers which proceeded somewhat independently were located in arid, semi-arid and subtropical areas.

8. North China is situated in arid and semiarid regions.

9. Arid regions cober arid and semiarid areas.

10. The region is semiarid to arid in overall climate.

11. A vast semiarid grass-covered plain, as found in southeast Europe, Siberia[], and central North America.

12. Soil microbiotic crusts are widespread in arid and semiarid regions, they are one of the major components of desert ecosystems, and their importance has been demonstrated by numerous researches.

13. Terpenoids are more prevalent in some arid or semiarid climates.

14. In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.

15. Desertification drains an arid or semiarid land of its life - supporting capabilities.

16. Arid and extremely arid land are deserts, and semiarid grasslands generally are referred to as steppes.

17. The micro-meteorological conditions are advantageous for forming soil condensate in arid and semiarid regions in north China.

18. Dryland farming is such an agricultural type fed by annual rainfall in arid and semiarid area.

19. The programming highway from Huogeqi mining area to Qingshang town is a canonically line project in the semiarid region.

20. The occurrence of phosphoric dolomite indicates that a restricted bay or lagoon environment, and a semiarid climate during Telychian Stage of Silurian in this area or adjacent region.

21. Shortage of water resources restricted agricultural production in arid and semiarid region.

22. Tertiary was mainly frigidly dry in the inland subtropics and semiarid to warm and cool in plateau.

23. Most heteromorphic plants studied are annuals, often species in Asteraceae and Chenopodiaceae faced with stochastic environments such as arid, semiarid, desert and saline soil.

24. In the past the knowledge on agriculture issues in semiarid areas had obvious defect and now the agriculture issues should be observed and understood from a new angle.

25. The infection is not transmitted person to person and is caused by the fungus Coccidioides immitis, which is found in soil in certain semiarid areas of North and South America.

26. The salinity of lake water is a sensitive monitor of climate in arid and semiarid region.

27. An annual plant(Cyamopsis tetragonolobus) probably native to India, adapted to semiarid regions and grown as a forage crop and for its seeds, from which guar gum is obtained.

28. The role and function of microbiotic crust in ecological restoration of arid and semiarid regions of China were discussed.

29. Soil microbiotic crust is developed broadly and has an ecological significance in arid and semiarid regions.

30. The funnel shaped catchment afforestation is a new forestry technique in semiarid loess hilly area.