1. The department shall have power:

a. to make regulations for the use of state-owned boat-launching sites and state-owned boat-access sites and public hunting, trapping and fishing grounds and to prohibit, limit and manage hunting, trapping and fishing on lands, waters or lands and waters on which such grounds are established, in such manner as it deems calculated to promote the public interest, notwithstanding any other provision of the Fish and Wildlife Law or other law;

b. by posting signs or serving notice as provided in section 11-2111 to protect any lands or waters, rights or interests therein owned, leased or otherwise acquired by the state and assigned or made available to the department for controlling, managing, propagating or distributing fish or wildlife or for conducting and managing hatcheries or biological stations, game farms, rearing stations, refuges, public hunting, trapping and fishing grounds or game management areas;

c. to fix the terms of permits issued and regulations adopted permitting the taking of fish or wildlife on, or entering upon, any area or facility mentioned in this subdivision;

d. to enter into cooperative agreement with any department of the United States government, municipality or person for the purpose of better promoting fish and wildlife conservation practices on any lands or waters owned, leased or otherwise acquired by the state and made available to the department for use by the department, or on other lands or waters as provided in sections 11-0303, 11-0321 or 11-0501.

e. to dispose of surplus products of the state's fish hatcheries and to dispose of pheasant chicks and surplus pheasant eggs of the state's game farms as it deems proper.

2. Whenever in the conduct of the public hunting, trapping and fishing grounds, game refuges and other areas held for use by the department, in the opinion of the department it becomes necessary to remove trees and other products in order to manage such areas along lines scientific research indicates are best calculated to produce the optimum conditions for fish or wildlife, the department may, upon such terms as it may deem to be for the best interests of the state, sell the trees, timber and other products on any such grounds, refuges or other areas acquired by purchase, gift or devise for use by the department.