The buffer shall consist of an area containing ground cover and appropriate plantings of conifer and deciduous trees and shrubs as required by the municipal agency. The buffer shall be considered as required yard area and shall not be encroached upon by buildings, structures, paved areas, or detention/retention basins. All buffers required by this code shall be included in a conservation easement which restricts the removal of trees or ground cover except for the following purposes: removal of dead or diseased trees or selective thinning and trimming of trees. In addition, all conservation easements shall reserve a right-of-entry by the Borough for the purpose of maintaining the health, safety and welfare of the general public.