(1) Whether, with reference to the Hartbeespoort Dam remediation programme, there is any current involvement of Finnish scientists in the programme; if not, when was the last association of Finnish scientists in this programme; if so, what are the relevant details; (2) what (a) is the current area covered by floating islands in the dam, (b) is the optimal area of the dam that needs to be covered by these islands for this programme to be successful and (c) methodology is used to determine the optimal area of the dam that should be covered by floating islands; (3) (a) what (i) number and (ii) type of fish was caught as part of the remediation programme in each year since the inception of the programme and (b) what was the target for fish catches in each case; (4) whether the targets for fish catches have been achieved in each year since the inception of the this programme; if not, why not, in each case?