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- Keywords Mentougou;ecosystem;soil conservation function;eco-economic value; 门头沟;生态系统;土壤保持功能;生态经济价值;
- THE PRIMARY STUDY ON THE CHANGES OF WATER AND SOIL CONSERVATION FUNCTION IN THE KARST VEGETATION RESTORATION PROCESS IN THE MID-AREA OF GUIZHOU 黔中喀斯特植被恢复过程中水土保持功能变化初步研究
- Soil Conservation Functions 水土保持功能
- Soil conservation is intended to kurb erosion. 土壤保持旨在控制水土流失。
- This is known as soil conservation. 这就是所谓的土壤保护。
- soil conservation function 土壤保持功能
- That's what people call water and soil conservation. 这就是人们所说的水土保持。
- They were engaged in the study of soil conservation. 他们在从事土壤保持的研究。
- One important form of soil conservation is the use of windbreaks. 土壤保护最重要的一种方式就是使用防风林。
- The runoff and sediment yield is affected by the process of rainfall and the function of water and soil conservation measurement. 弃土场区域内产流受到降雨特征和水保措施功能发挥的影响。
- We're going to carry out soil conservation work in a more planned way. 我们准备更有计划地进行水土保持工作。
- Soil conservation work has been greatly speeded since the conference. 会议召开之后，水土保持工作大大加快了。
- One important fall form of soil conservation is the used of windbreaks. 一种保护土地很重要的方式是利用防护林。
- ZHONG X S.Study on water conservation function of natural Tsuga longibracteata forest[J].Journal of Fujian College of Foresty,1999,19(3):261-264. [1]钟祥顺.;长苞铁杉天然林水源涵养功能研究[J]
- Soil conservation can greatly influence runoff by reducing sediment into river. 摘要水土保持措施是减少河流泥沙的主要措施。
- Economical woodlands have a positive effect on soil conservation in red soil. 经济林地和草地则起到了很好的水土保持措施作用。
- The ecosystem function of water conservation,soil conservation,air purification,carbon sequestration of Lushan mountain were evaluated by using the methods of opportunity cost approach,shadow price method,market price replacement cost method. 从研究森林生态系统的效益出发;采用机会成本法、影子价格法、市场价格替代花费法等手段对江西省庐山森林生态系统涵养水源、保持土壤、净化空气、固定CO2等的生态系统服务功能进行了估算。 得出该地区森林生态系统涵养水源的价值为93 421.;146万元/a;
- Strengthening the protection of natural forest,enhancing the structure regulation and tending management of coniferous plantation are the effective methods to improve water conservation function. 加强对天然林资源的保护,提高灌丛在当地林木植被资源中的比例,加强人工针叶林林分结构的调整与抚育管理,是提高当地森林植被系统涵养水源功能的有效途径。
- Problems of soil conservation and shoreland development are not likelyto quickly disappear. 土壤保持和滨海地开发问题也不可能很快消失。
- Construction of water and soil conservation and ecological protection projects has been accelerated. 水土保持生态环境工程速度加快。
