An area amounting to 10% of all paved parking areas in excess of 2,000 square feet per each lot, whether constructed immediately or reserved for future needs, shall be devoted to permanent green areas, which must be interspersed within the paved parking areas to channel traffic or divide parking spaces, and shall be landscaped in accordance with the provisions of Chapter 175, the Subdivision and Land Development. The exact design and location of the green areas, as well as the landscape material therein, shall be disclosed on the land development, subdivision or site plan and be permanently maintained as such.