This Field guide describes the ecological units of the Rocky Mountain Trench, Prince George Forest Region. It represents aides to the identification of these units and management interpretations for each.

Guide describing the lowland and montane ecosystems (below 1200 m in the south and 1050 m in the north) in B.C.'s northeastern corner. The units in the guide are described in the biogeoclimatic ecosystem classification system. The guide includes a description of the biogeoclimatic units included and differentiates them, and then describes the site units within each variant, and their management interpretation.