May study, investigate, plan, advise, report, and recommend any action, program, plan, or legislation which the board determines necessary or advisable for the care, preservation, pruning, planting, replanting, removal, or disposition of trees and shrubs and other landscaping in public parks, along streets, and in other public areas. Develop and establish a comprehensive urban forest plan for the planting, maintenance, and replacement of trees in parks, along streets, and in other public areas, and submit it to city council for adoption before implementation. See Section 2-1-183 of the City Code for additional duties.