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2. Reduction of reflectance and urban heat islands through increasing canopy cover. 3. Conservation of energy through strategic shading and the use of windbreaks. 4. Conservation of water through xeriscaping design strategies including using decorative rock as ground cover, limiting turf areas, selecting low- water-use plants and designing efficient irrigation systems. 5. Selection and placement of plant materials to limit required maintenance of landscaped areas. 6. Preservation or restoration of natural amenities. SUBD. 3. REQUIRED LANDSCAPING AND SCREENING: A. In all districts except Downtown Core (DC) and Residential Mixed Use (RMU), all new developed uses shall provide a landscaped yard along all public streets. The landscaped yard shall consist of trees, shrubs, planted ground cover and other vegetative materials. Ornamental non-vegetative material may also be used. This yard shall be at least twenty (20) feet deep, measured from the street right-of-way line. This yard shall be kept clear of all structures, storage and off- street parking. Except for driveways, the yard shall extend along the entire frontage of the lot, and along both streets in the case of a corner lot. Each side yard shall have a minimum of ten (10) feet of landscaped area and each rear yard shall have twenty (20) feet of landscaped area. B. Required Landscaping. Overall composition and location of landscaped areas shall complement the scale of the development and its surroundings. In general, larger, well-placed contiguous planting areas shall be preferred to smaller, disconnected areas. Development must provide the following number of trees and shrubs in addition to any trees and shrubs required for screening: 1. Not less than one (1) tree per 2,500 square feet of Developable Landscaping Area. 2. Not less than one (1) shrub per 1,000 square feet of Developable Landscaping Area. 3. The remainder of the landscaped area shall be covered with turf grass, native grasses or other perennial flowering plants, vines, shrubs or trees. 4. Developable Landscaping Area is defined as the total area of a development site or phase minus the portion of area within: a) A natural waterbody b) A protected wetland c) A scenic easement C. Required Perimeter Screening. 1. Perimeter screening designed to buffer incompatible uses is required: a) Along any off street parking area containing over six (6) parking spaces that is adjacent to a site that is residentially used and either residentially zoned or guided.