The CBFM Output to Purpose Review 2 (OPR2) Report identified a need to further examine the impact of the CBFM activities on fisheries management performance at the local level in preparation for the final phase of the Project. This study was therefore commissioned in May 2005 specifically to determine the impact of the CBFM activities on fish production, resource sustainability and fisher well-being, whilst taking account of inter and intra-annual variation in important environmental variables such as hydrology.