Table E3 (b): Threats identified for open-coast salt-wedge estuaries of western and central Victoria. Threat Gellibrand Johanna Aire Barham Kennett Wye St George Erskine Painkalac Climate change × × × × × × × × × Sea level rise & storm surge × × × × × × × × × Rising temperature × × × × × × × × × Decline & altered seasonal pattern in rainfall Modified flow regime × × × × Water extraction - Domestic p p × p × × p p p p Water extraction - Agriculture / Industry × × × × Estuary entrance modification × × × × × Regulatory & other p p p p infrastructure (e.g. bridges) Land use and declining water quality × × × × × × × × × Land clearing & development × × × × × × × × × Eutrophication & algal blooms × × × × × × Increased sedimentation, erosion p p p & turbidity × × Acid flows & blackwater events p p p p p p p × × × × × × × × Pollution & contaminants p Pathogens and Pests × Disease p p p p p p p p × × × × Invasive species p p p p p Extractive and recreational activities Fishing (commercial & p p p p p p p p p recreational) Mining & extraction activities (sand & coal) Recreation (boating) p p p p p × = identified threat, p = potential threat
Table E3 (b): Threats identified for open-coast salt-wedge estuaries of western and central Victoria. Threat Gellibrand Johanna Aire Barham Kennett Wye St George Erskine Painkalac Climate change Sea level rise & storm surge × × × × × × × × × Rising temperature × × × × × × × × × Decline & altered seasonal pattern in rainfall × × × × × × × × × Modified flow regime Water extraction - Domestic × × p p × × Water extraction - Agriculture / Industry × p × × p p p p Estuary entrance modification × × × × Regulatory & other infrastructure (e.g. bridges) × p × × p p × p × Land use and declining water quality Land clearing & development × × × × × × × × × Eutrophication & algal blooms × × × × × × × × × Increased sedimentation, erosion & turbidity × × × × p p p × × Acid flows & blackwater events p p p × p p p p × Pollution & contaminants × × × × × × p × × Pathogens and Pests Disease p p p p p p p p × Invasive species × p × × p p × p p Extractive and recreational activities Fishing (commercial & recreational) p p p p p p p p p Mining & extraction activities (sand & coal) Recreation (boating) p p p p p × = identified threat, p = potential threat
consultation-document-salt-wedge-estuaries.docx