Hattah‐KulkyneNationalPark

HattahLakesNatureDiscoveryTrail

Drive,cycleorwalkthisself‐guidedtrailandenjoysomeoftheMalleeandMurrayfloodplain

secretsofHattah‐KulkyneNationalPark.

SlenderHopbush

Drive (30min), Cycle (1.5hrs), Walk (2.5hrs) This6.5kmself‐guidednaturetrailisanexcellent introductiontotheparksoftheMallee.Itgivesyouaninsightintosomeofthenaturalfeaturesoftheareaandrevealssomeofthechallengesthislandscapeendures.

Althoughdesignedasadrive,thetrailisalsoan easyandpleasantwalk.Ifyouhavetime,whynotparkyourcarandexplorethetrailonfootor bybicycle.Driveslowlyandstayonthetrackatalltimes.

Asyoutravelaroundyouwillvisitthehomesofmanyanimals,eventhoughyoumaynotsee them.Eventhelogsanddeadbranchesscatteredonthegroundprovideimportanthabitatandalinkinthefoodchainforawiderangeofinsects,invertebrates,reptiles,birdsandsmallground‐dwellingmammals.

1.Restoring the landscape

Lookaroundatthelandscape.Whatappearsnaturalisnotalwaysso.BeforethisareawasdeclaredaNationalParkin1960,sheep,cattleandrabbitsheavilygrazedthenativevegetation cover.Bushfiresandtimbercuttingaddedtotheimpactandthevegetationcoverinsomeareaswascompletelychanged.

Restorationofnativevegetationtoitspre‐1960sconditionwilltakealifetime,butworktorestore itsformervalueshasbegun.

2.Plant life returns

ThetallbushfoundhereisnativeSlender Hopbush.Hopbushgetsitsnamefromthepaperywingsofitsseedsthataresometimescalled‘hops’.Thecommonnamesofmany Australianplantsoftenreflecttheiruniquefeatures.

NativeplantsliketheSlenderHopbushhavere‐establishedonthissandduneasaresultoftheremovalofstock,activecampaignstocontrolrabbitsand,morerecently,kangaroomanagement.

3.Water andsteam

AshortwalkfromthetrackherebringsyoutotheremnantsofaVictorianRailwaypumphouse.Intheearlypartofthe1900s,thefacility pumpedwaterfromthelaketotheHattahrailwaylinetorefilltheboilersofsteam locomotives.Theoriginalbuildingswerereplaced bytinshedsinthe1940swhenthepumpswereusedtosupplywatertothetownshipofHattah.

TodaywaterisprovidedtoHattahand surroundingpropertiesviapipelinefromtheMurrayRiver.

FormoreinformationcalltheParksVictoriaInformationCentre

on131963orvisitourwebsiteat

4.Sand dunes toflood plains

Noticeachangeinthevegetationhere.ThetrackhasleftthesandduneandmovedontothefloodplainwheretheclaysoilsarehometomagnificentRiverRedGums.

FurthertotherightthereareRiverRedGumsgrowinginan unusualposition.Itislikelythattheseedwasdepositedon thesanddunebyalargeflood,possiblymorethanacentury ago.Theseedgerminatedinthemoistsandandthetreesgrew,fedbyrainfallrunoffcapturedbythedune.

RiverRedGums,particularlytheoldertreesaroundthelakeedge,areimportanthabitatastheyoftenbearlargehollowsthatareusedbyavarietyofbirdsandtreedwellingmammalsforshelterandnests.

5.Hardy inhabitants

OntheshoreofthelakegrowsdensestandsofyoungRiverRedGumsaplings,theyappearoverextensiveareasafterfloodsandattimesformimpenetrablethicketsliketheonesyoucanseehere.Thesesaplingswillgraduallythinoutastheygrowandeventuallythelakewillbecomeeasiertosee.

6.Claimingnewterritory

TotheleftofthetrackareafewmatureHookedNeedlewoodtrees.Theyareprobablytheremnantsofaoncelargestandoftrees.HookedNeedlewoodisamemberoftheHakeafamily‐agroupofplantsrenownedfortheircurious,buteffectivemethodsofseeddispersal.MostHakeahaveseedenclosedinimpenetrablepodsthatopenonlyafterexposuretofire,heatorsmoke.Oncetriggeredthepodburstsopenandtheseedfloatsawaythroughtheair,eventuallysettlingonnewgroundawayfromtheparenttree.

7.Unexpected treasure

InlatesummeryoumayseeGarlandLiliesnearthetrack.GarlandLiliesarerareinVictoria,canbefoundtotheleftofthetrack.Theselilieswillbemostnoticeableinlatesummerwhentheyproduceyellowflowersandgrape‐likeclustersofberries.

GarlandLily

8.Undoing the damage

Thelarge,almostbareexpanseontherightofthetrackprobablydevelopedinthefollowingway:

Theoriginalcoverofnativeplantswasovergrazedby sheepandrabbitsintheearlydaysofnon‐indigenoussettlement.Thedisturbedvegetationloosenedthesandytopsoilandsandblownbythewindhelpedcutdowntheremainingvegetation

Theclaysubsoilwaseventuallyexposedandfurthererodedbyrainwaterrun‐off.Saltconcentratedatthesurfacethroughupwardseepageandevaporationand the areabecame a wasteland

Restorationbeganin1960whenHattah‐KulkyneNationalParkwascreated.Grazingstockwasremovedandrabbitsgraduallybroughtundercontrol.Salt‐tolerantplantsbegantocolonisethearea

Inthe1990sbareareaswereploughedtotrapmovingsoilandseeds,assistingintherevegetationprocess

Regrowthisevident,butrecoveryisslowinsuchaharshenvironment.

9.Ramsarwetlands

HattahLake,ontheleft,isoneoftwelvelakeslocatedinHattah‐KulkyneNationalParklistedundertheRamsarConvention.Theconventionisaninternationalagreement,signedinRamsar,Iranin1971andaimstoconservewetlandsofinternationalimportance.Seemoreinformationonthesign.

10.The Hattah Lakes System

BeyondthepostyoucanseethechannelconnectingLakeHattahwithLakeBulla.In1956,asmallweirwasbuiltatthenorthernendofLakeHattahtopreventwaterfromflowingbackintotheMurrayRiverwhenfloodwatersreceded.

ThelakesintheHattah‐KulkynesystemfillviaChalkaCreekwhenthereisamajorfloodintheMurrayRiver.Thishasonlyoccurredafewtimessincetherecordfloodlevelsof1956andincludetheyears1960,1964,1966andonseveraloccasionsinthe1970sandlate1980s.

TheHattahLakessystemneedsbothwetanddryperiodstobehealthy,butriverregulationandachangingclimatehavereducedthefrequencyandextentofnaturalfloodsandtheenvironmenthassufferedasaresult.Withthecompletion ofthenewpermanentpumpstation,regulatorsand environmentalleveesitisnowpossibletotopupnatural floodstoincreasewaterlevelsinthelakessystemor,whenriverflowsarenotabletonaturallyreachthelakes,watercanbepumpedintothesystemtomaintainwatering regimes.

MessengersPumpStation

11.Flood

ThegroveofBlackBoxsaplingsalongthetrackatthispointwascreatedbytherecordfloodsof1956.BlackBoxtreesgrowhigheruptheslopesthanRiverRedGumsandindicatetheheightoffloodwatersinthepast.Onlyoneortwooftheseseedlingsneedtosurvivetomaturitytoensurethecontinuationoftheforesthere.

Furtheralongthetrack,ontheright,aresmallerBlackBox.Thesetreesgerminatedhereafterthe1973flood.

BlackBoxflower

12.Toleratingsalt

TotherightofthetrackgrowGlasswortsandotherlow‐lyingsucculentsthatstorewaterintheirfleshyleaves.Glasswortsaresalt‐tolerantandplayanimportantroleinminimising soilerosion.OvertimetheGlasswortsandothersoilstabilisingplantshelptoimprovesoilfertilitybyaddingnutrientsthroughdecomposition.Eventuallysoilconditionisimprovedallowinglesssalt‐tolerantplantstoestablish.

Amongthefewplantsthatthrivehereistherounded Noonflower(Pigface),astaplefoodoftheShinglebackLizard.Aftersummerrainsthisareaisaseaofpinkflowers.

Noonflower(Pigface)

Forfurtherinformation

CallParksVictoriaon131963orvisit

MilduraVisitorInformation (AlfredDeakinCentre)180‐190DeakinAvenueMilduraVic3500 Tel:(03)50214424

Caringfortheenvironment

Helpuslookafteryourparkbyfollowingtheseguidelines:Pleasetakerubbishwithyoufor

recyclingordisposal

Camponlyindesignated

campgrounds

Allnativeplants,animals,historicalandarchaeologicalsitesandgeographicfeaturesare

protectedbylaw

Dogsandotherpetsarenotpermittedinthepark

FirearmsareprohibitedLightfiresonlyinfireplaces

provided.Collectonlydeadwood

fromthegroundforcampfires.

Pleasedonotcollectwoodfrom

insidethecampgroundorinside

thekangarooprooffence

NofiresarepermittedonadayofTotalFireBan.Builtinandportablegasorelectricbarbecues

maybeusedprovided:

a3metreareaisclearedof

anythingflammable

atleast10litresofwateris

availableforimmediateuse

anadultisinattendanceat

alltimes

Itisyourresponsibilitytoknowif

itisadayofTotalFireBan.IfindoubtcalltheVictorianBushfireInformationLineon1800240667

Vehicles,includingmotorbikes,mayonlybeusedonformedopenroads.Driversmustbelicensedandvehiclesregisteredand

roadworthy

Mobilephones–youmaynotbeinnetworkrangeinsomeareas.ToconnecttoPolice,AmbulanceorCFAkeyin112andpressthe

YESkey

13.BlackBox Waterhole

ThetrackpassesastandofMoonahasitskirtsaroundBlackBoxWaterhole.Thewaterholeisashallowclaypanthatfillsquicklywhenitrainsandretainswaterwell.Herons,Cormorants,Ducks,Black‐tailedNative‐hensandotherwater birds,alongwithfrogsandtortoisesappearasiffromnowherewhenrainarrives.

PiedCormorant

14.Canoe tree

Takeastrolldowntothecanoetreeonthebankofthelake.ItispossiblyacenturyormoresinceAboriginalpeoplecutawaythelivingbarkofthetreetomakeacanoe,leavingthecharacteristiccanoetreescar.

Smallerscarscanalsobeseenonothertreesalongtheriversystem.Thesewerecreatedfrom barkcutawaytomakedishescalledcoolamonstocarryfoodandsometimesinfants.

Canoetree

Caringfor Country

IndigenousAustralianshavebeenconnectedtothislandscapefortensofthousandsofyears. TheancestorslivedinharmonywiththeenvironmentandnurturedadeepandabidingrespectforCountry.CaringforCountrycontinuestobeanintegralpartofpresentdayIndigenoussocial,spiritual,economicandphysicallife.AllAustralianssharearesponsibilitytocreateacommunitythatsharesandvaluesthisrespect forourland.

IfyouhaveenjoyedthisdriveyoumightliketotrytheHattahNatureWalk orone oftheotherwalksinthepark(seetheHattah‐KulkyneNationalPark–MurrayKulkyneParkvisitorguide).Thereareotherself‐guidedwalksand drivesinnearbyparksincludingWyperfeldand LittleDesertNationalParks.

Be fire ready and stay safe

OndaysofforecastCodeRedFireDangerthisparkwillbeclosedforpublicsafety.

Ifyouarealreadyintheparkyoushouldleavethenightbeforeorearlyinthemorningforyoursafety.

Closuresignswillbeerectedandrangerswillpatrol wherepossible,howeveryoumaynotreceiveapersonalwarningthattheparkisclosedsocheckthelatestconditionsbycalling131963or visit

ForuptodateinformationonfiresinVictoriaorgeneralfiresafetyadvicecalltheVictorianBushfireInformation Line on1800 240 667.

Locationandaccess

Hattah‐Kulkyne National Park and Murray‐KulkyneParkareabout475kmfromMelbourneofftheCalderHighway.Theparkoffice(offRobinvaleRoad)is74kmfromMildura.

December2014

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