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- soil erosion in regional size 区域水土流失
- Moreover,over 70% of the soil erosion in the mountainous area and 100% of sandy bare land should be controlled. 山区水土流失治理程度达到70%25以上,风沙危害区沙荒地治理率达到100%25。
- A Study on location observation of water loss and soil erosion in newly established economic forest. 新造经济林地水土流失定位观测研究。
- Effects of slope length and grade on soil erosion in the gully regions in Loess Plateau. 黄土残塬沟壑区坡度和坡长对土壤侵蚀的影响分析。
- Major Causes of Soil Erosion in the Upper Yangtze River Valley and the Control Countermeasures. 长江上游水土流失主要成因与防治对策
- Moreover, over 70% of the soil erosion in the mountainous area and 100% of sandy bare land should be controlled. 山区水土流失治理程度达到70%25以上,风沙危害区沙荒地治理率达到100%25。
- Ningxia is in the greatly active area of Neotectonics, and the degree of soil erosion in this area is very high. 宁夏是水土流失严重的地区,也是新构造运动十分活跃的地区。
- Abstract: The ecological sensitivity assessment of soil erosion in Liaoyang city was conducted. 摘要:选择土壤侵蚀进行辽阳市的生态敏感性评价。
- The characteristic of soil erosion in the slope was not homogenous with different gradient and land use manner. 不同土地利用方式、不同坡度下土壤侵蚀特征各不相同。
- The driving forces of soil erosion in Iceland are vegetation destruction, livestock overgrazing, climatic intensity and volcanic eruptions. 冰岛土壤侵蚀演变的驱动力主要有植被破坏、过度放牧、严酷的气候条件和火山爆发。
- The soil erosion in this watershed has three remarkable developing stages and the gradualness shows that there is 6-8 year-long period. 流域主要的侵蚀过程集中在6、7、8三个月,且主要发生于汛期少数几天的极端暴雨事件中;
- Basement fractures are closely related with environment geochemistry landscape and distribution features of soil erosion in the Ordos Basin. 摘要鄂尔多斯盆地的环境地球化学景观与水土流失分布特征与基底断裂关系密切。
- Sloping farmland is one of the major sources of soil erosion in Hubei Province, and also a important portion of minor watershed improvement. 摘要坡耕地是湖北省水土流失的主要策源地之一,坡耕地治理是小流域综合治理的重要组成部分。
- The charateristics of soil erosion in Three Gorges Reservior of Changjiang River include: big potential, obvious distinctness, surface erosion. 摘要三峡库区水土流失特征:潜力大、面蚀为主、差异性明显。
- In soil-eroded regions, any individual who contracts for the use of land owned by the collective shall include the responsibility of rehabilitating soil erosion in the contract. 第二十五条水土流失地区的集体所有的土地承包给个人使用的,应当将治理水土流失的责任列入承包合同。
- So only need to adjust land use types and strengthen the management of soil erosion in those areas can mitigate the pollution contribution caused by NPS effectively. 因此,只有合理调整流域和库区的土地利用方式、加强区域的水上流失治理工作,才能有效降低非点源污染所带来的地表水体环境污染问题。
- Lee, H.Y., Lin, Y.T., and Chiou, Y.J., "On Numerical Simulation of Soil erosion in reservoir watershed", ASCE, Journal of Hydraulic Engineering (reviewing). 李鸿源;林颖典;邱昱嘉;"集水区产砂量推估之研究";中国科技发展经典文库(第二辑);中国科技报导研究会;北京;中国;2002.
- The Karst rocky desertification becomes the third ecological problem of our country after the desertification in northwestern area and the soil erosion in the loessial area. 岩溶石漠化成为继西北地区沙漠化和黄土地区水土流失之后的我国第三大生态问题。
- Sentences the break point whether in region! 判断点是否在区域内!
- Sales for product of transformer in region South. 负责输配电集团变压器产品在华南地区的市场销售.