| 1. | Experiment of water consumption of water conservation forest by weighing methods 水源涵养林林木耗水称重法试验研究 |
| 2. | Soil hydrological characteristics of water conservation forest in qilian mountains 祁连山水源涵养林土壤水文特征研究 |
| 3. | Analysis to influence of water conservation forest in miyun reservoir on water quality 密云水库水源涵养林对水质的影响 |
| 4. | Setting up ecological protection area of water conservation forest in liaoning province 关于辽宁省建立水源涵养林生态保护区的思考 |
| 5. | Litter hydrology and ecological functions of water resource conservation forest in qilian mountains 祁连山水源涵养林枯枝落叶层水文生态功能 |
| 6. | Establishment of management tables system for water amp; amp; soil conservation and headwater conservation forest 水源涵养林经营数表编制系统的研制 |
| 7. | Density structure and growth dynamics of larix principis - rupprechtii stand for water resource conservation in wutai mountain region in shanxi province 五台山华北落叶松水源涵养林密度结构与生长动态 |
| 8. | With respect to protective forests such as those for water supply conservation , water and soil conservation , windbreak and sand - - fixation , felling shall only be permitted for tending and regeneration of forests 对水源涵养林、水土保持林、防风固沙林等防护林只准进行抚育和更新性质的采伐。 |
| 9. | Water resources conservation forests and ecological protective forests will be built at sources of large rivers , the surrounding areas of lakes and reservoirs and environmentally fragile areas according to catchment , mountain range and regional scope 在大江大河源头、湖泊、库区周围和环境脆弱地区,按流域、山系、地域规模治理,营造水源涵养林、生态防护林。 |
| 10. | 2 . by detection and analysis on litter accumulation , water ? olding capacity of the litter and interception of main types of forests , its waterolding capacity , intercepting role , water storage and soil reduction of litter were studied 2通过对祁连山水源涵养林凋落物累计量、枯枝落叶持水能力以及截留作用测定分析,研究了枯落物叶层的持水、截留作用和蓄水保土效益。 |