代写范文

留学资讯

写作技巧

论文代写专题

服务承诺

资金托管
原创保证
实力保障
24小时客服
使命必达

51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。

51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标

私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展

积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈

Water_Dams

2013-11-13 来源: 类别: 更多范文

Water Dams Water Dams Most dams are designed to accomplish a variety of functions, which include flood control, flat water recreation, hydropower electricity generation, and water supply. Although these seem like good reasons for the existence of dams, this type of constructions bring greater negative effects than good ones. The “environment effects of dams include loss of land and biological resources to inundation, reservoir sedimentation and downstream erosion, and hydrological changes unfavorable to many native or desirable species.” Dams just strangle rivers and the perfect example of the damage dams cause to rivers is what is happening to the Mekong River in Asia. The Mekong river covers more than 4500 kilometers through 6 countries. It crosses through the Chinis providence of Yunnan, borders Birmania, It divides Thailand and Laos, cuts through Cambodia, passes through South Vietnam, and finally ends in the China Ocean. The Mekong sustains 100 million people, who not only depend on this river for their alimentation or water, but also for irrigation, and for traveling, and sometimes just for recreation. The Thailandese people call it the “Mother “of rivers. Today like many rivers in the world, the Mekong is in danger. The reason is the massive and not well planned construction of dams, river, mekong, countries, water, china, world, constructions, thailand, rivers, people, around, through, south, laos, fish, construction, vietnam, study, species, negative, live, energy, effects, ecosystem, development, damn, damage, being, been, because, although, yunnan, years, wont, without
上一篇:Baking_Powder 下一篇:Life_And_Importance_Of_Arius