Performs work requiring professional knowledge of forestry science. Develops, produces, conserves, and utilizes natural resources of forests and associated lands. Inventories, plans, evaluates, and manages each forest resource including timber, soil, land, water, wildlife and fish habitat, minerals, forage, and outdoor recreation/wilderness areas to meet present and future public and local private needs and demands. Protects resources against fire, insects, disease, floods, erosion, and other depredations; valuates, manages and protects forest lands and properties. Some positions may develop new, improved, or more economic scientific methods, practices, or techniques.