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1、WaterandRiversCommissionWN11January2000Identifyingtheriparianzonestreams,andthiscanrequiremoreintensivemanagement.LowlandstreamsgenerallyhavebroadervalleywidthsandThefirststepinmanagingariveristoaremorepronetomeandering,thereforeusuallyhavelargeridentifyth
2、eriparianzone.Theriparianriparianzones.However,theyaregenerallylowerenergystreamsandcanrequirelessintensivemanagement.Eachzonecangenerallybedescribedasthewatercourseisuniqueanditisbesttoassesstheareaofthelandthatdirectlyinfluencesorisriparianzonethatrequir
3、esactivemanagementonacase-influencedby,awatercourse.Thatis,theby-casebasis.corridoroflandinwhichastreamAreasoftheriparianzonefunctions.ThehighlyseasonalnatureofrainfallinsouthwestWesternTheriparianzoneincludestheimmediatevicinityoftheAustraliameansthatstre
4、amsaremostlydryformuchofstream,whichconsistsofthebed,banksandadjacentland,theyear(seasonalstreams).Itmaybedifficulttoidentifyaswellasthefloodplain,whichcarrieslargefloods.thevariouspartsoftheriparianzoneandnotallstreamswillhaveallthefollowingcomponents,par
5、ticularlyinThewidthoftheriparianzonecanvarygreatlydependingcaseswherethechannelisnotwelldefined.onthetypeofriverorstreamandthecatchment.ThereforetheareaoftheriparianzonethatrequiresFigure1.Theimmediaterivervalleyandthetermsusedtospecialmanagementwillalsova
6、ry.Uplanddescribeitsform.streamswithnarrowvalleywidthsgenerallyhavesmallerriparianLowflowRiverTerracezones,buttheyareusuallyhigherChannelenergyVerge/BufferDominantChannelFloodway➝Floodfringe➝Floodplain➝Wetlandorriverinevegetation,orareasofgreenwhenFloodfri
7、ngesurroundingpastureshaveÒbrownedoffÓ,mayTheareaofthefloodplainthatisnotfloodedasfrequentlybegoodindicatorsduringtimesoflowtonoflow,whileandwherethewaterismerelyspillingoverfromtheviewingthestreamduringhigherflowsmayalsohelpyoufloodwayorismovingslowlyover
8、adjacentland,isknowntoidentifythedifferentareasoftheriparianzone.Theasthefloodfringe.Thisoftentendstobeanareaofmainareasoftheriparianzonearedescribedbelow.deposition,wheresedimentanddebriscarriedbyfloodwaters