'Near to final' draft for independent review - 2 May 2016 Table E2: Site-specific flow indicators for ecological function of lateral connectivity with the floodplain in the Barwon- Darling UEA. In this table, frequency is the number of years between watering events Ecological target Example related Flow indicator Magnitude: Duration Timing Frequency to lateral gauge flow (ML/d) (days) Low High connectivity uncertainty uncertainty ecological function Provide a flow regime which: Bourke 30,000 24 2 years 3 years Connectivity with Minimum of 1 event supports recruitment riparian zone at any time of year opportunities for a range of native including forests aquatic species (e.g. fish, frogs, Connectivity with Bourke 45,000 22 3.5 years 4 years turtles, invertebrates) inner floodplain As above supports the habitat including wetlands requirements of waterbirds ensures the current extent Connectivity with Bourke 65,000 24 6 years 8 years of native vegetation of the riparian, mid floodplain As above floodplain and wetland including communities is woodlands sustained in a healthy, dynamic and resilient condition Connectivity with Wilcannia 2,350 GL > 60 10 years 12 years supports key ecosystem outer floodplain functions, particularly those (volume) As above including related to connectivity between the grasslands river and the floodplain Page 6
'Near to final' draft for independent review - 2 May 2016 Table E2: Site-specific flow indicators for ecological function of lateral connectivity with the floodplain in the Barwon- Darling UEA. In this table, frequency is the number of years between watering events Ecological target Example related to lateral connectivity ecological function Flow indicator gauge Magnitude: flow (ML/d) Duration (days) Timing Frequency Low High uncertainty uncertainty Provide a flow regime which: supports recruitment opportunities for a range of native Connectivity with riparian zone including forests Bourke 30,000 24 Minimum of 1 event at any time of year 2 years 3 years aquatic species (e.g. fish, frogs, turtles, invertebrates) supports the habitat requirements of waterbirds Connectivity with inner floodplain including wetlands Bourke 45,000 22 As above 3.5 years 4 years ensures the current extent of native vegetation of the riparian, floodplain and wetland communities is Connectivity with mid floodplain including woodlands Bourke 65,000 24 As above 6 years 8 years sustained in a healthy, dynamic and resilient condition supports key ecosystem functions, particularly those related to connectivity between the river and the floodplain Connectivity with outer floodplain including grasslands Wilcannia 2,350 GL (volume) > 60 As above 10 years 12 years Page 6
EWR-Barwon-Darling-draft.docx