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Yarra river basin

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Yarra river basin

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 Yarra riverisdividedintothree areas;UpperYarra System, Middle YarraSystemandthe lowerYarra system  Liesnorthand eastof Melbourne,Victoriacoveringabout4,046 square kilometres  Home to more than one-thirdof victoria’spopulationandnative plantandanimal species  Protectedforestsandrural areas  Runsthrough the catchmentintoport PhillipBay  Its significancerecreation,nature conservation,scenicandcultural heritage attributes  Lots of Flora andfauna  Challengesof upperYarrasystem are impactsof rural roads,agriculture,balancingsocial, environmental andeconomicneedsinthe watercatchment  Mid yarra systemchallengesare urbanisation,agricultural,balancingsocial,enviromemtal and economicneeds  Loweryarra systemchallengesare urbanisationwithmostwaterwayssidnifiacantlyaltered inform and waterquality  Modificationsincludingstraightening,channellingandconcrete-lining,whichreduce the amountand qualityof natural vegetation  Large amountsof stormwaterenterthese waterways,reducingwaterqualityandchanging waterflowrates.Togetherwithwaterwaydiversionsupstream, thiscancause low flowsand lowdissolvedoxygen,whichharmsplantsandanimalsinthe waterway.

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Yarra river basin

  • 1.  Yarra riverisdividedintothree areas;UpperYarra System, Middle YarraSystemandthe lowerYarra system  Liesnorthand eastof Melbourne,Victoriacoveringabout4,046 square kilometres  Home to more than one-thirdof victoria’spopulationandnative plantandanimal species  Protectedforestsandrural areas  Runsthrough the catchmentintoport PhillipBay  Its significancerecreation,nature conservation,scenicandcultural heritage attributes  Lots of Flora andfauna  Challengesof upperYarrasystem are impactsof rural roads,agriculture,balancingsocial, environmental andeconomicneedsinthe watercatchment  Mid yarra systemchallengesare urbanisation,agricultural,balancingsocial,enviromemtal and economicneeds  Loweryarra systemchallengesare urbanisationwithmostwaterwayssidnifiacantlyaltered inform and waterquality  Modificationsincludingstraightening,channellingandconcrete-lining,whichreduce the amountand qualityof natural vegetation  Large amountsof stormwaterenterthese waterways,reducingwaterqualityandchanging waterflowrates.Togetherwithwaterwaydiversionsupstream, thiscancause low flowsand lowdissolvedoxygen,whichharmsplantsandanimalsinthe waterway.