When the woodland, ridgeline and/or viewshed are to be disturbed, the Township shall require the planting of either trees, at a minimum of 20 feet in height or a combination of twenty-foot trees and trees smaller than required by § 281-33D(3) of Chapter 281, Subdivision and Land Development, of the Code of the Township of West Whiteland, in sufficient quantity, as determined by the Township, to restore the woodland, ridgeline and viewshed. The mix of the woodland, ridgeline and/or viewshed in both the short term (immediate to five years) and long term (five to 30 years).