Douglas fir Douglas-fir forest is the primary habitat of the red tree vole ("Arborimus longicaudus") and the spotted owl ("Strix occidentalis"). Home range requirements for breeding pairs of spotted owls are at least 400 ha () of old growth. Red tree voles may also be found in immature forests if Douglas-fir is a significant component. The red vole nests almost exclusively in the foliage of the trees, typically above the ground, and its diet consists chiefly of Douglas-fir needles. A parasitic plant sometimes utilizing "P. menziesii" is Douglas-fir dwarf mistletoe ("Arceuthobium douglasii"). The leaves are also used by the woolly conifer aphid
Douglas Fraser in public schools. Despite resistance from both staff and members, he began initiatives within the UAW and the auto industry to recruit more minorities and women. He also pushed for national health insurance. Fraser retired as UAW president in 1983. He was an adjunct professor at Wayne State University for many years, teaching labor relations and labor history. A major research and study center, the Douglas A. Fraser Center for Workplace Issues, was named after him. Fraser received The International Center in New York's Award of Excellence for his significant contributions to life in America. Douglas Fraser died on February