【摘要】 回顾了生态需水问题的提出背景,分析了目前有关生态需水的定义,归纳了生态需水的类型,讨论了不同生态系统(河道生态系统、植被生态系统)生态需水的计算方法,提出了存在的问题、原因和今后研究的方向。更多还原

【Abstract】 This paper reviews the background of ecological water requirement problem origin, analyzes the definitions related to it for the moment, classifies its types, discusses the quantitative calculation methods for different ecologic systems (river eco-system and vegetation eco-system), points out problems existing and their reason, and the research direction in the future.更多还原