| 1. | A review on the studies of bryophyte ecology in arid and semi - arid areas
干旱与半干旱地区苔藓植物生态学研究综述 |
| 2. | Groundwater has very important eco - value in arid and semi - arid regions
摘要干旱半干旱地区地下水具有重要的生态价值。 |
| 3. | Arid and semi - arid lands
干旱和半干旱地区 |
| 4. | Study on the eco - environment index of groundwater in inland arid and semi - arid basins
内陆干旱半干旱盆地地下水生态环境指标研究 |
| 5. | Studies on regulating function of forest hydrology and microclimate in arid and semi - arid area of west china
干旱半干旱区山地森林的水分调节功能 |
| 6. | Located in an arid and semi - arid area , ningxia is one of the weakest ecological systems in china
宁夏地处干旱半干旱地带，是全国生态系统最脆弱的省区之一。 |
| 7. | Landscape structure adjustment and the sustainable utilization of water resources in arid and semi - arid region
景观结构调整和干旱半干旱区水资源的可持续利用 |
| 8. | A comparative analysis on sustainable utilization of water resources in arid and semi - arid regions of gansu province
试论东北地区农业节水与农业水资源可持续利用 |
| 9. | Water - saved irrigation - an reasonable way to establishing artificial grassland in arid and semi - arid pastoral area
发展节水灌溉是我国干旱半干旱草原区人工草地建设的必然举措 |
| 10. | In the arid and semi - arid area , water resources have become the " bottleneck " of regional social economic development and ecological building
在干旱半干旱地区，水资源已成为区域社会经济发展和生态建设的“瓶颈” 。 |
