Table 13: Lachlan River system: possible monitoring for environmental watering. WMA Objective Hypotheses Flow Indicator(s) Monitoring Frequency Linkages and component sites other considerations Whole of Provide fish Pools within Baseflow Native fish Fisheries sites To coincide Complement river channel refuge during Lachlan channel survival with low monitoring low-flow periods. will support native flows. undertaken as fish species during LCMA drought low/no-flow refuge study. periods. Whole of Provide fish Fish will traverse High flows Native fish Fisheries sites To coincide Complement river channel passage through weirs when movement with high existing NSW I&I weir drownout. drowned out by flows. monitoring high flows. programs. Appropriate Sufficient flows Under all flow Native fish Existing NSW 1–3 years. Existing NSW I&I Whole of flow regime will will provide conditions. population I&I sites. monitoring. river channel provide habitat habitat and diversity, and breeding breeding condition and opportunities for opportunities for numbers. native fish. native fish. Successful breeding events.
Table 13: Lachlan River system: possible monitoring for environmental watering. WMA Objective Hypotheses Flow component Indicator(s) Monitoring sites Frequency Linkages and other considerations Whole of river channel Provide fish refuge during low-flow periods. Pools within Lachlan channel will support native fish species during low/no-flow periods. Baseflow Native fish survival Fisheries sites To coincide with low flows. Complement monitoring undertaken as LCMA drought refuge study. Whole of river channel Provide fish passage through weir drownout. Fish will traverse weirs when drowned out by high flows. High flows Native fish movement Fisheries sites To coincide with high flows. Complement existing NSW I&I monitoring programs. Whole of river channel Appropriate flow regime will provide habitat and breeding opportunities for native fish. Sufficient flows will provide habitat and breeding opportunities for native fish. Under all flow conditions. Native fish population diversity, condition and numbers. Successful breeding events. Existing NSW I&I sites. 1–3 years. Existing NSW I&I monitoring.
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