%0 Journal Article
%T Eco-Design of River Fishways for Upstream Passage:Application for Hanfeng Dam, Pengxi River, China
%A GaryE.JOHNSON
%A WilliamS.RAINEY
%J 重庆师范大学学报(自然科学版)
%P 104-113
%D 2012
%R 10.11721/cqnuj20120320
%X "Thispaperprovidesascientificapproachfortheeco-designofriverfishwaystoallowupstreammovementoffishpastnewandexistingdamsinChina.Thiseco-designapproachintegratesprinciplesoffishbiologyandengineering,ascientificfieldalsoknownasbio-engineeringoreco-hydraulics.Wedefineafishwayasastructureormechanismforconveyingfishupstreampastadam.Man-madeornaturalstreambedscanbepartofthefishway.Theproblemisdamsblockaccesstoupstreamhabitatusedforspawning,rearing,andrefuge;i.e.,damsdecreasehabitatconnectivity.Asolutiontoalleviatethisproblemistodesignfishways,preferablywhilethedamisbeingdesigned,butifnecessary,asretrofitsafterwardtoprovidearoutethatfishcanandwillusetopasssafelyupstreamwithoutunduedelay.Oureco-designapproachforfishwaysinvolveseightsteps1)identifytheprimaryspeciesofimportance;2)understandthebasicecologyandbehaviorofthesefish;3)characterizetheenvironmentalconditionswherepassageisorwillbeblocked;4)establisheco-designcriteriaforthefishway,eitherfrommanagementagenciesor,ifnecessary,developedspecificallyforthegivensite;5)identifyfishwayalternativesandselectapreferredalternative;6)whereneeded,identifyandperformresearchrequiredtoresolvecriticaluncertaintiesandfinalizetheeco-designcriteria;7)applytheeco-designcriteriaandsite-specificconsiderationstodesignthefishway,involvingpeer-reviewbylocalstakeholdersintheprocess;8)buildthefishway,monitoritseffectiveness,andapplylessonslearned.Typesoffishwaysaredescribed,showingarangeofeco-designsdependingonthedamsiteandfishspeciesofconcern.Weusetheeco-designprinciplesasabasistorecommendanapproachandnextstepsforafishwaytopassfishupstreamatHanfengDam,anexistingregulatingdamformingHanfengLakeonthePengxiRivernearKaixian,China."
%K eco-design
%K fishways
%K HanfengDam
%K China
%U http://cqnuj.cqnu.edu.cn/oa/DArticle.aspx?type=view&id=120320