It is the intent of the Legislature that transfer of the powers, duties, and responsibilities of existing state agencies or the judicial branch made by ss. 215.44215.53 to the board shall include only the particular powers, duties, and responsibilities hereby transferred, and all other existing powers shall in no way be affected by said sections. The powers, duties, and responsibilities conferred by ss. 215.44215.53 upon the board are additional and supplemental to the existing powers of the officers composing the said board.