(1) There is established, separate and apart from all public money or funds of this state, a fund to be known as the fish and wildlife mitigation trust fund. The fund must be administered by the department. (2) The fund consists of: (a) money received under written agreements, contracts, or authorizations with the department made for the purpose of fish and wildlife mitigation or enhancement; (b) any gift, donation, grant, legacy, bequest, or devise made for the purpose of fish and wildlife mitigation or enhancement; (c) any interest, earnings, or income of the fund; and (d) any property or easements acquired through the expenditure of money from the fund.