Appendix 5 Site-specific Carp management plans reviewed A5.1. Site-specific Carp management plans reviewed *This is a site management plan that is not Carp-specific. However, it does mention Carp management in brief throughout the report. Authors Location Hydrology scenarios Carp management Other considerations Key recommendations Stuart and Pike–Mundic Existing conditions Discusses operational Conceptual model Utilise operational strategies to disadvantage Mallen-Cooper Floodplain (i.e. no change (e.g. timing, duration of Carp life history Carp spawning/recruitment while (2011) Complex, from 7000 ML/day and rates of flooding), within the maintaining/enhancing the Murray entitlement flow physical (e.g. barriers, complex habitat/hydrological conditions for native fish: South to South Australia) drying, traps) and (primarily derived operate regulators to maintain a mosaic of Australia (e.g. daughterless from Chowilla Natural flood flow habitats Carp) Floodplain Carp (7000 ha) (50,000 ML/day) reduce frequency of managed inundations, control/eradication data) Managed but take advantage of natural floods methods and associated Potential and inundation for prioritise managed inundations for winter, costs benefits for native 120 d but seek to understand broader ecological flora and fauna (1000 ML/day consequences inflow) Broader plan for managed recession before water catchment scale temperatures reach ~15oC impacts adopt operational regimes that maximise associated with localised Carp flowing water habitats. recruitment Physical interventions are not recommended until baseline knowledge gaps regarding basic Carp biology are filled. Implement a monitoring framework to gather basic information to inform future changes in hydrology and management.
Appendix 5 Site-specific Carp management plans reviewed A5.1. Site-specific Carp management plans reviewed *This is a site management plan that is not Carp-specific. However, it does mention Carp management in brief throughout the report. Authors Location Hydrology scenarios Carp management Other considerations Key recommendations Stuart and Mallen-Cooper (2011) Pike–Mundic Floodplain Complex, Murray South Australia (7000 ha) Existing conditions (i.e. no change from 7000 ML/day entitlement flow to South Australia) Natural flood (50,000 ML/day) Managed inundation for 120 d (1000 ML/day inflow) Discusses operational (e.g. timing, duration and rates of flooding), physical (e.g. barriers, drying, traps) and (e.g. daughterless Carp) control/eradication methods and associated costs Conceptual model of Carp life history within the complex (primarily derived from Chowilla Floodplain Carp data) Potential and benefits for native flora and fauna Broader catchment scale impacts associated with localised Carp recruitment Utilise operational strategies to disadvantage Carp spawning/recruitment while maintaining/enhancing the habitat/hydrological conditions for native fish: operate regulators to maintain a mosaic of flow habitats reduce frequency of managed inundations, but take advantage of natural floods prioritise managed inundations for winter, but seek to understand broader ecological consequences plan for managed recession before water temperatures reach ~15oC adopt operational regimes that maximise flowing water habitats. Physical interventions are not recommended until baseline knowledge gaps regarding basic Carp biology are filled. Implement a monitoring framework to gather basic information to inform future changes in hydrology and management.
ARI-Technical-Report-255-Managing-flows-and-carp.docx