The buffer area 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. 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.