The board has the power and authority to prepare and adopt by ordinance, a comprehensive plan. A comprehensive plan or plans when adopted by ordinance must be the basis for official controls adopted under the provisions of sections 394.21 to 394.37. The commissioner of natural resources must provide the natural heritage data from the county biological survey, if available, to each county for use in the comprehensive plan. When adopting or updating the comprehensive plan, the board must, if the data is available to the county, consider natural heritage data resulting from the county biological survey. In a county that is not a greater than 80 percent area, as defined in section 103G.005, subdivision 10b, the board must consider adopting goals and objectives that will protect open space and the environment. The board must consider the location and dimensions of airport safety zones in any portion of the county, and of any airport improvements, identified in the airport's most recent approved airport layout plan.