The commissioner may establish state fish and game refuges and may, in the name and for the use of the state, lease any tract of land, stream, lake, pond or part thereof in the state suitable for the propagation and preservation of fish and game and may accept any gift of any interest in any land, stream, lake, pond or part thereof or any personal property to be used for the purpose of propagating or protecting wildlife upon such conditions as may be agreed upon between the donor and the commissioner, subject to the approval of the Attorney General, concerning any condition in relation to the use of the principal of any such gift or any income therefrom, and the commissioner may exercise all of the authority of any owner of any such property for such purposes. No provision of this section shall be construed as limiting the right of the donor to exercise all of the rights incident to ownership of such property, except as such rights may be limited by the conditions of his gift.