Source: CSIRO
"The decline in the quality of water reaching the Great Barrier Reef lagoon prompted the development of Water Quality Improvement Plans for a number of high risk catchments within the Great Barrier Reef region. The Tully basin was identified as one of these hotspots due to a combination of extremely high rainfall, steep landscapes, extensive use of fertiliser on lands on the floodplain and the catchment’s proximity to the Reef."