THE DISTRIBUTION OF DOUGLAS-FIR FOLIAGE BY AGE | Zendy

G. T. Silver | Zendy

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THE DISTRIBUTION OF DOUGLAS-FIR FOLIAGE BY AGE

Author(s) -

G. T. Silver

Publication year - 1962

Publication title -

the forestry chronicle

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.335

H-Index - 49

eISSN - 1499-9315

pISSN - 0015-7546

DOI - 10.5558/tfc38433-4

Subject(s) - douglas fir , crown (dentistry) , forestry , distribution (mathematics) , biology , botany , mathematics , horticulture , zoology , geography , medicine , mathematical analysis , dentistry

The percentage of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, foliage by age was calculated for four trees for four consecutive years. The percentage of foliage for the five youngest years was 28, 23, 17, 13, and 10 per cent, respectively. Distribution of foliage by age was fairly uniform within individual branches. Although there was considerable variation between crown levels, trees, and years, the averages were reasonably uniform.

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