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
Fraser Noble 1938. He did military service with the Black Watch (Royal Highland Regiment). In 1962 he became Vice-Chancellor of the University of Leicester at the age of 43. The University of Leicester now has the Fraser Noble Building. In 1962 the university had 1,500 students and two faculties of Arts and Sciences. By the time he left, the university had five faculties and 6,000 students. Thanks to him, the Royal Commission on Medical Education (1965-68) in its 1968 report decided that the university needed a medical school. From 1970-72 he was Chairman of the Committee of Vice-Chancellors and Principals of the