The executive director, with the approval of the governor and council, may pay a fair and reasonable price for waters, lands or rights therein with or without buildings, required for the establishment of fish hatcheries, game farms, game refuges and fish and game department uses for the protection, regulation and management of wildlife resources and the implementation of department programs. The executive director, subject to the approval of the governor and council, may expend for the purchase of land, waters or rights therein during any year only such total sum as may be appropriated therefor. The executive director shall, within its biennial report pursuant to N.H. Rev. Stat. § 20:7, make a report of all lands, waters or rights therein so acquired since the last report to the senate president and the speaker of the house.