Browsing Retrospective theses by Subject "Balsam fir"
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Morphological variation in subalpine fir and its relationship to balsam fir in western Canada and the United States
(1988)To help clarify the taxonomy of the two closely related North American firs subalpine fir {Abies lasiocarpa (Hook.) Nutt.) and balsam fir {Abies balsamea (L.) Mill.) in western Canada and the United States, 10 populations ... -
Needle flavonoids and population differentiation in the Abies section Nobilis Engelm
(1985)The Abies section Nobilis Engelm. consists of two high-elevation tree species that grow in the mountains of Washington, Oregon and California. The two varieties of A.magnifica A.Murray grow south of A.procera Rehd. One ... -
Varying food quality and its influence on spruce budworm growth, development, and fecundity
(1995)These studies assess how changing food quality influences spruce budworm, Choristoneura fumiferana (Clem.), in terms of the performance characteristics of survival, development, growth, and fecundity. The components of ...