A. Buffer Defined. A buffer is a specified land area located parallel to and within the outer perimeter of a lot or parcel. A buffer shall contain the required planting, landscaping, berm, fence or wall, or any combination required as set forth in this UDO. Landscaping and buffer standards provided for in these regulations are minimum standards and may be increased at the discretion of the property owner. None of these standards shall be construed as prohibiting additional plant materials, screening or buffer area in excess of the required regulations.