This research was funded through NESP Project 3.1.7 while the on-ground works were funded by the Queensland Government,Greening Australia's Reef Aid Program and the Australian Govern-ment's Reef Trust Program.We acknowledge the Biriah people,the Traditional Owners of the land on which the project was conducted and we thank the current landholders,Bristow & Ureisha Hughes for hosting the project We thank Ross Andrewartha,then at Greening Australia,for initiating the project,and other GA staff,notably Lynise Wearne,Sunny Behazadnia and Martha Kusetic for their ongoing support and Damon Telfer from Fruition Environ-mental for overseeing site design and supervision of construction as well as sample collection and treatment selection.From the-Queensland Government we are grateful for the efforts Scott Rob-inson,Jean Erbacher,Ben Hammill and Lex Cogle for funding and overseeing the on-ground works effort,and Peter Zund for soil sampling and Alex Garzon-Garcia,for soil nutrient analyses.We thank the two anonymous reviewers for their input,which signif-icantly improved the manuscript. （）