Landscape plan and natural resources plan. This plan shall be a composite of the tract being developed on a map at a scale of one inch equals 400 feet to conform with the Borough's natural resources inventory maps. This plan shall show existing and proposed wooded areas, buffer areas, including the intended screening devices and buffers, grading at two-foot contour intervals inside the tract and within 50 feet of its boundaries, seeded and/or sodded areas, ground cover, retaining walls, fencing, signs, recreation areas, shrubbery, trees and other landscaping features including the requirements of § 107-48.1. These plans shall show the location and type of man-made improvements and the location, species and caliper of plant material and trees to be located on the tract. All portions of the property not utilized by buildings or paved surfaces shall be landscaped utilizing combinations such as landscaped fencing, shrubbery, lawn areas, ground cover, contours, existing foliage and the planting of coniferous and/or deciduous trees native to the area in order to maintain or reestablish the tone of the vegetation in the area and lessen the visual impact of the structures and paved areas. The established grades and landscaping on any site shall be planned for aesthetic, drainage and erosion control purposes. The grading plan, drainage facilities and landscaping shall be coordinated to prevent erosion and siltation as outlined under the soil erosion and sediment control, the soil removal and redistribution floodplain regulations and the grading and filling provisions of this chapter in §§ 107-64, 107-65, 107-46 and 107-47, respectively, as well as assuring that the capacity of any natural or man-made drainage system is sufficient to handle the water from the site and contributing upstream areas.