Eco Region Assessment 24. The ecoregion comprises the Peace Lowland, which contains the gently rolling and sloping lands of the Peace River system, and the southern extension of the Peace River lowland or Western Boreal. Climate in the ecoregion ranges from the warmer summers of the Peace Lowland and the cool, short summers of the lowland's southern extension. Mean annual temperatures lie around 1 degree Celsius, with a summer mean of about 13 degrees and a winter mean of about -13 degrees.
Fire constitutes a significant disturbance regime in the ecoregion.