In exercising the duties granted to it by this chapter, the planning commission shall recommend and the city council shall by ordinance adopt regulations governing the subdivision of land within its jurisdiction as defined in Section 2.32.160. Such regulations may provide for the harmonious development of the city and its environs; for the coordination of streets within subdivisions with other existing or planned streets or with other features of the comprehensive plan of the city; for adequate open spaces for traffic, recreation, light and air; and for a distribution of population and traffic which will tend to create conditions favorable to health, safety, convenience or prosperity. Before an adoption of its subdivision regulations or any amendment thereof, a public hearing thereon shall be held by the city council. (Ord. 556 (part), 2002)