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The Great Barrier Reef World Heritage Area is an area of national and international significance, with outstanding natural, social and economic values. Over the past 150 years reef catchments have been extensively modified leading to a decline in water quality entering the Great Barrier Reef (GBR) lagoon. The health of the GBR is a concern with the degradation of coral reefs attributed to elevated levels of sediment, nutrients and pesticides entering the reef lagoon from adjacent coastal catchments. The aim of the Short Term Modelling project was to support the NRM regional bodies adjacent to the GBR with their target setting responsibilities under the Reef Water Quality Protection Plan. The project team provided modelling capacity to the five NRM regional bodies so that they could utilise modelling as one of the tools used to set water quality targets. The main difference between this project and the approach adopted by previous modelling activities was the emphasis placed on the communication, engagement and scenario development with NRM Regional Bodies and their nominees. The National Action Plan's Queensland Water Quality program played an integral role in the Short Term Modelling project through it's WQ03 project. Long-term average annual sediment and nutrient loads delivered to the Great Barrier Reef Lagoon were modelled using SedNet/ANNEX for the five NRM regions between Bundaberg and Cairns. The major outcome of this project is the report The use of SedNet and ANNEX models to guide GBR catchment sediment and nutrient target setting. The report is split into six volumes, which you can download here:
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