The department is authorized to administer natural resources conservation areas and may enter into management agreements for these areas with federal agencies, state agencies, local governments, and private nonprofit conservancy corporations, as defined in RCW 64.04.130, when such agreements are consistent with the purposes of acquisition as defined in the adopted management plan. All management activities within a Washington natural resources conservation area will conform with the plan. Any moneys derived from the management of these areas in conformance with the adopted plan shall be deposited in the natural resources conservation areas stewardship account.