| 1. | Loess plateau of china is one of the most serious soil erosion areas in the world
黄土高原是世界上土壤侵蚀最强烈的地区之一。 |
| 2. | Capacity analysis on the reconstruction of various agriculture eco - system in the erosion areas
侵蚀坡地重建几种不同农业生态系统功能分析 |
| 3. | Test on vegetative rehabilitation and soil and water conservation of red earths erosion area in lijiang river basin
漓江流域红壤侵蚀区植被恢复及水土保持试验 |
| 4. | Scheming of the small drainage area comprehensive treatment and development measures for granite soil erosion area
花岗岩水土流失区小流域综合治理开发措施配置 |
| 5. | Yunnan province is located in one of the five water erosion areas in china - yungui plateau water erosion
云南省位于我国五大水蚀区之一? ?云贵高原水蚀区，水土流失以水力侵蚀为主。 |
| 6. | A remote sensing and gis based dynamic soil erosion monitoring system in the major soil erosion areas in upper jialingjiang watershed
长江上游重点水土流失区遥感动态监测及泥沙输移分析 |
| 7. | In the comprehensive soil erosion control area in the loess plateau , a total of 15 million hectares of land have been treated - - 30 percent of the soil erosion area - - with over 300 million tons less silt flowing into the yellow river every year
黄土高原水土流失综合治理区已累计治理1500万公顷，使30的水土流失面积得到不同程度的治理，年输入黄河的泥沙减少3亿吨以上。 |
| 8. | The forest cover will rise from 10 . l percent to 27 percent in 30 years in the other three major control regions , namely soil erosion areas in the middle reaches of the yellow river , wind eroded areas on the loess plateau and areas along river sources in qinghai province
用30年左右的时间，使黄河中游水土流失区、黄土高原风沙区、青海江河源头三个重点治理区森林覆盖率由目前的10 1提高到27以上。 |
| 9. | The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor , gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity . the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion . according to investigation , surface erosion area occupies 80 % or so or erosion area , in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area
研究结果主要包括： ( 1 )巫溪县生态退化特征表现：作为生物生长基质的部分土壤薄而贫瘠，保水保肥能力差，部分地区基岩裸露，土壤的不断退化导致植物种多样性减少，植物种群结构逐步由复杂趋向简单化；县内水土流失的类型主要包括面蚀和沟蚀两大类，据调查，面蚀面积占侵蚀总面积的80左右，其中坡耕地面蚀占耕地侵蚀面积的70左右。 |
| 10. | The major strategies for developing non - timber product forest crops during constructing the shelterbelt of the changjiang river are to transform non - timber in the serious water and soil erosion areas , to plan the development scales of non - timber forest in the areas of returning farm to forest , to adjust non - wood products distribution , to establish high productive production bases of non - wood products and to strengthen the macroscopic guide of government for developing non - timeber forest
对水土流失严重的经济林分布区进行技术改造、做好退耕还林地上发展经济林的规划、适当调整经济林生产布局、建立高效经济林生产基地、强化政府的宏观指导是在长防林建设过程中发展经济林的主要对策。 |
