'Near to final' draft for independent review - 9 May 2016 Table E1: Summary of site-specific flow indicators for the Lower Balonne River Floodplain UEA. In this table, frequency is the maximum number of days between events or the average number of years between watering events. Ecological target Ecological Flow indicator Magnitude: Duration Timing Frequency function gauge flow (ML/d) (days) Low uncertainty High uncertainty Drought refuge Any flow 1 Provide a flow regime Weilmoringle Any time of 350 days - max. 430 days - max. which: (Culgoa River) year between events between events maintains drought refuges, Drought refuge Any flow 1 and supports recruitment Narran Park Any time of 350 days - max. 470 days - max. (Narran River) year between events between events opportunities, for a range of Any time of 90% of years with 80% of years native aquatic species (e.g. In-channel Brenda (Culgoa 1,000 7 > 1 event fish, frogs, turtles, year with > 1 event connectivity River) invertebrates) Fish migration Wilby Wilby 1,700 14 August - May 60% of years 40% of years supports the habitat (Narran River) with > 1 event with > 1 event requirements of waterbirds August - May 40% of years with ensures the current 60% of years Brenda (Culgoa Fish migration 3,500 14 with > 1 event > 1 event extent of native vegetation River) of the riparian, floodplain and Connectivity with Any time of 2 years 3 years wetland communities is 9,200 12 riparian zone year sustained in a healthy, Any time of 3.5 years 4 years dynamic and resilient Connectivity with 15,000 10 year condition inner floodplain supports key ecosystem 6 years 8 years functions, particularly those Connectivity with Any time of 24,500 7 mid floodplain year related to connectivity 10 years 20 years Any time of Connectivity with between the river and the 38,000 6 year outer floodplain floodplain With regard to the frequency statistic, low uncertainty means a high chance that the associated ecological targets will be achieved, with high uncertainty 1 representing a boundary beyond which there is a high likelihood that the associated ecological targets will not be achieved. (Discussed further in section 2.2.5) Page 5
'Near to final' draft for independent review - 9 May 2016 Table E1: Summary of site-specific flow indicators for the Lower Balonne River Floodplain UEA. In this table, frequency is the maximum number of days between events or the average number of years between watering events. Ecological target Ecological function Flow indicator gauge Magnitude: flow (ML/d) Duration (days) Timing Frequency Low uncertainty High uncertainty Provide a flow regime which: maintains drought refuges, Drought refuge Weilmoringle (Culgoa River) Any flow 1 Any time of year 350 days - max. between events 430 days - max. between events and supports recruitment opportunities, for a range of Drought refuge Narran Park (Narran River) Any flow 1 Any time of year 350 days - max. between events 470 days - max. between events native aquatic species (e.g. fish, frogs, turtles, invertebrates) In-channel connectivity Brenda (Culgoa River) 1,000 7 Any time of year 90% of years with > 1 event 80% of years with > 1 event supports the habitat requirements of waterbirds Fish migration Wilby Wilby (Narran River) 1,700 14 August - May 60% of years with > 1 event 40% of years with > 1 event ensures the current extent of native vegetation of the riparian, floodplain and Fish migration Brenda (Culgoa River) 3,500 14 August - May 60% of years with > 1 event 40% of years with > 1 event wetland communities is sustained in a healthy, Connectivity with riparian zone 9,200 12 Any time of year 2 years 3 years dynamic and resilient condition supports key ecosystem Connectivity with inner floodplain 15,000 10 Any time of year 3.5 years 4 years functions, particularly those related to connectivity Connectivity with mid floodplain 24,500 7 Any time of year 6 years 8 years between the river and the floodplain Connectivity with outer floodplain 38,000 6 Any time of year 10 years 20 years 1 With regard to the frequency statistic, low uncertainty means a high chance that the associated ecological targets will be achieved, with high uncertainty representing a boundary beyond which there is a high likelihood that the associated ecological targets will not be achieved. (Discussed further in section 2.2.5) Page 5