The manual provides technical guidance for implementing the natural heritage policies of Ontario’s Provincial Policy Statement (PPS), 2005, specifically the recommended technical criteria and approaches for being consistent with the PPS in protecting natural heritage features, areas, and systems. In addition to providing details of the PPS policies, the manual describes each of the natural heritage features and areas identified in PPS policies including identification and evaluation procedures, discusses municipal planning techniques and tools to consider when establishing protection approaches, and provides guidance for assessing the potential impacts of development and site alteration on natural heritage features and lands and performance indicators.