This report is the Final Report for Project No. DCM1-A, which also however incorporates the findings from the initial pilot project, for which only an interim Final Report has been produced (but not published) to date. This report covers all investigations completed during the period of the two projects in the GMID, including a review of relevant literature, the results of all field trials, including fish production and water quality information, presentation of relevant preliminary cost-benefit and nutrient mass balance models, as well as a summary of relevant resource inventory information for prospective investors.