The purpose of regulating "steep sloped areas" as "critical areas" in the Borough of Tenafly is to prevent, or reduce, the problems resulting from the development of such "steep sloped areas" including, but not limited to, the following: increased soil erosion and storm water runoff; loss of existing vegetation, which stabilize the soils on "steep sloped areas;" increased costs for development, maintenance and remediation of problems; blasting of bedrock; removal of topsoil and other soil; and degradation to the visual aesthetics of ridges and hillsides.