Assessment of the relative risk of water quality to ecosystems of the Great Barrier Reef. A report to the Department of the Environment and Heritage Protection, Queensland Government, Brisbane - Report 13/28

Brodie, Jon, Waterhouse, Jane, Maynard, Jeffrey, Bennett, John, Furnas, Miles, Devlin, Michelle, Lewis, Stephen, Collier, Catherine, Schaffelke, Britta, Fabricius, Katharina, Petus, Caroline, da Silva, Eduardo, Zeh, Daniel, Randall, Lucy, Brando, Vittorio, McKenzie, Len, O'Brien, Dominique, Smith, Rachael, Warne, Michael, Brinkman, Richard, Tonin, Hemerson, Bainbridge, Zoe, Bartley, Rebecca, Negri, Andrew, Turner, Ryan, Davis, Aaron, Bentley, Christie, Mueller, Jochen, Alvarez-Romero, Jorge, Henry, Nyssa, Waters, David, Yorkston, Hugh, and Tracey, Dieter (2013) Assessment of the relative risk of water quality to ecosystems of the Great Barrier Reef. A report to the Department of the Environment and Heritage Protection, Queensland Government, Brisbane - Report 13/28. Report. James Cook University, Townsville, QLD, Australia.

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Abstract

A risk assessment method was developed and applied to the Great Barrier Reef (GBR) to provide robust and scientifically defensible information for policy makers and catchment managers on the key land-based pollutants of greatest risk to the health of the two main GBR ecosystems (coral reefs and seagrass beds). This information was used to inform management prioritisation for Reef Rescue 2 and Reef Plan 3. The risk assessment method needed to take account of the fact that catchment-associated risk will vary with distance from the river mouth, with coastal habitats nearest to river mouths most impacted by poor marine water quality. The main water quality pollutants of concern for the GBR are enhanced levels of suspended sediments, excess nutrients and pesticides added to the GBR lagoon from the adjacent catchments. Until recently, there has been insufficient knowledge about the relative exposure to and effects of these pollutants to guide effective prioritisation of the management of their sources.

Item ID: 59186
Item Type: Report (Report)
Keywords: water quality, Great Barrier Reef, water quality improvement plans, reef plan, pollutants, nutrients, pesticides, sediment, DIN, TN, TSS, chlorophyll, risk assessment, remote sensing, river plumes, river runoff
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Date Deposited: 09 Aug 2019 03:03
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050206 Environmental Monitoring @ 30%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050205 Environmental Management @ 30%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050204 Environmental Impact Assessment @ 40%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960503 Ecosystem Assessment and Management of Coastal and Estuarine Environments @ 30%
96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960507 Ecosystem Assessment and Management of Marine Environments @ 30%
96 ENVIRONMENT > 9606 Environmental and Natural Resource Evaluation > 960608 Rural Water Evaluation (incl. Water Quality) @ 40%
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