Stoyoma Creek ER #131 Overview, Biological and Physical

Original Purpose To protect a floristically diverse forest site, transitional between coastal and interior conditions, for forestry research. Physical: The reserve is located on the west slope of the Cascade Mountains, an area of strongly folded and metamorphosed Palaeozoic and Mesozoic sedimentary and volcanic rocks. Its soils are primarily Humo-Ferric Podzols formed on glacial till.