Table 1: Summary of outcomes being targeted by environmental watering in the Lower Murray-Darling region BASIN-WIDE EXPECTED OUTCOMES FOR LOWER MURRAY–DARLING ASSETS OUTCOMES IN-CHANNEL ASSETS END OF SYSTEM OFF-CHANNEL ASSETS (Outcomes in River Murray Lower Great Darling Coorong, Lower Lakes and Murray Hattah Floodplain and Floodplain and red link to the from Euston Darling Anabranch Mouth Lakes wetlands from wetlands from Basin-wide River to Lower Euston to South South Australian environmental Lakes Australian border border to Lower watering Lakes strategy, MDBA 2014) Maintain riparian and in-channel Ensure survival and promote growth Maintain the current extent of water-dependent vegetation condition. and recruitment of Ruppia tuberosa in vegetation near river channels and on low-lying areas the south lagoon of the Coorong. of the floodplain. Increase periods of growth for VEGETATION vegetation communities that Maintain or improve the diversity, Improve condition of black box, river red gum and closely fringe or occur within river condition and extent of aquatic and lignum shrublands. channels. littoral vegetation at the Lower Lakes. Improve recruitment of trees within black box and river red gum communities. Provide habitat and food sources to support waterbird survival and recruitment, and maintain condition and current species diversity. Maintain habitat and food sources to Complete seasonally appropriate colonial bird support improvement in waterbird breeding events that are in danger of failing due to condition and populations within the drying. WATERBIRDS Lower Lakes and Coorong lagoons (including curlew sandpiper, greenshank, red-necked stint and sharp-tailed sandpiper). Provide flows to support habitat and Maintain or improve diversity, Provide flow cues to promote increased movement, food sources and promote increased condition and population for fish recruitment and survival/condition of native fish movement, recruitment and populations (inc estuarine-dependent (particularly for floodplain specialists). survival/condition of native fish. fish) through providing suitable habitat conditions within the Coorong FISH lagoons and maintaining migration pathways that supports species recruitment and survival/condition. Provide flow cues to promote increased movement, recruitment
Table 1: Summary of outcomes being targeted by environmental watering in the Lower Murray-Darling region BASIN-WIDE OUTCOMES (Outcomes in red link to the Basin-wide environmental watering strategy, MDBA 2014) EXPECTED OUTCOMES FOR LOWER MURRAY–DARLING ASSETS IN-CHANNEL ASSETS END OF SYSTEM OFF-CHANNEL ASSETS River Murray from Euston to Lower Lakes Lower Darling River Great Darling Anabranch Coorong, Lower Lakes and Murray Mouth Hattah Lakes Floodplain and wetlands from Euston to South Australian border Floodplain and wetlands from South Australian border to Lower Lakes VEGETATION Maintain riparian and in-channel vegetation condition. Increase periods of growth for vegetation communities that closely fringe or occur within river channels. Ensure survival and promote growth and recruitment of Ruppia tuberosa in the south lagoon of the Coorong. Maintain or improve the diversity, condition and extent of aquatic and littoral vegetation at the Lower Lakes. Maintain the current extent of water-dependent vegetation near river channels and on low-lying areas of the floodplain. Improve condition of black box, river red gum and lignum shrublands. Improve recruitment of trees within black box and river red gum communities. WATERBIRDS Provide habitat and food sources to support waterbird survival and recruitment, and maintain condition and current species diversity. Maintain habitat and food sources to support improvement in waterbird condition and populations within the Lower Lakes and Coorong lagoons (including curlew sandpiper, greenshank, red-necked stint and sharp-tailed sandpiper). Complete seasonally appropriate colonial bird breeding events that are in danger of failing due to drying. FISH Provide flows to support habitat and food sources and promote increased movement, recruitment and survival/condition of native fish. Maintain or improve diversity, condition and population for fish populations (inc estuarine-dependent fish) through providing suitable habitat conditions within the Coorong lagoons and maintaining migration pathways that supports species recruitment and survival/condition. Provide flow cues to promote increased movement, recruitment Provide flow cues to promote increased movement, recruitment and survival/condition of native fish (particularly for floodplain specialists).
portfolio-mgt-plan-lower-murray-darling-2016-17.docx