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Crown structure of a codominant Douglas-fir
Canadian Journal of Forest Research (1983)
  • James N. Long, Utah State University
Results are presented from an intensive study of crown structure in a 39-year-old codominant Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco). The patterns of crown development observed may represent a species adaptation for maximizing photosynthetic efficiency. While branches originating at nodes provide the basic structure of the crown, short-lived nonnodal branches provide much of the photosynthetic capacity. In addition, nonnodal branches support nearly half of the young needles near the top and outside edges of the crown.
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Citation Information
James N. Long. "Crown structure of a codominant Douglas-fir" Canadian Journal of Forest Research Vol. 13 Iss. 2 (1983) p. 264 - 269
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