the estimated economic impact of proposed port stephens great lakes marine park on commercial activities final report nsw authority prepared by roy powell and linden chalmers centre for agricultural regional economics pty ltd armidale date july 2005 ii at time writing this has not been declared information is presented in that basis i executive summary proposal to establish a mp ps gl region significant project terms area covered candidate site range may be impacted provided an opportunity assess advance declaration scope size likely impacts economy industries assessment was extend over decade 2015 also check whether there possibility changes might enhance or ameliorate those