北京师范大学学报（自然科学版）2017，Vol.53Issue(3)：337-343,7.DOI:10.16360/j.cnki.jbnuns.2017.03.015
耦合多物种生态流速的生态需水计算方法
A method to calculate ecological flow base by coupling multi-species flow velocity requirement
摘要
Abstract
Ecological restorations of river are key to sustainable economic development.Ecological water demand is a prerequisite for river ecosystem stability.Ecological water demand is widely investigated in ecology,hydrology and in water resources studies.Different methods have been used to calculate eco-flow.The lack of data on coupling of flow velocity demand for multiple species in existing methods is likely to have an impact on the accuracy of calculations and consequently on water resources regulation.In the present work,dominance index was used to establish a coupling model of multi-species ecological velocity,to provide a solution to ecological water requirement calculation.This method will not be affected by regional factors,and has wide applicability.Eco-flow at Huangtai Bridge was found to be 12.33 m3·s-1,Chahe 4.40 m3 ·s-1,and Shicun 14.53 m3 ·s-1.Compared with the Tennant method,the present method produces reasonable data and can reflect the actual demand of fish population rather than individual species.关键词
多物种/生态需水/优势度指数/生态流速/小清河Key words
multi-species/ecological flow/dominance index/ecological velocity/Xiaoqinghe River分类
资源环境引用本文复制引用
张远,刘德虎,张纯斌,于心怡,赵长森,杨胜天,刘昌明,张惠潼,相华,孙影,杨增丽,董宝恩..耦合多物种生态流速的生态需水计算方法[J].北京师范大学学报（自然科学版）,2017,53(3):337-343,7.基金项目
国家自然科学基金资助项目(41271414) （41271414）
北京市共建项目专项资助项目 （）
