The executive director shall keep a record of all applications and licenses issued by him and on the first day of each month shall deposit all monies collected under this chapter into the Game and Fish Protection fund. All monies thus collected and deposited shall be used to administer the mussel program by the department and the executive director for the enforcement of this chapter, and the game and fish laws of this state, for propagation and for biological investigation, and such other investigations as may be necessary.