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RELATIONSHIP OF WESTERN JUNIPER STEM CONDUCTING TISSUE AND BASAL CIRCUMFERENCE TO LEAF AREA AND BIOMASS

Richard F. Miller, Lee E. Eddleman and Raymond F. Angell
The Great Basin Naturalist
Vol. 47, No. 3 (31 July 1987), pp. 349-354
Stable URL: http://www.jstor.org/stable/41712384
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
RELATIONSHIP OF WESTERN JUNIPER STEM CONDUCTING TISSUE AND BASAL CIRCUMFERENCE TO LEAF AREA AND BIOMASS
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Abstract

The ability to measure leaf area and biomass on a plant community basis has many important ecological applications. These include quantification of gas exchange, use of water resources on the site, nutrient pools, and construction of models simulating production and resource allocation. To test a nondestructive technique for estimating leaf area and leaf biomass of western juniper (Juniperus occidentalis Hook.), sapwood area and basal circumference were evaluated as predictors of total leaf biomass and leaf area. Nineteen trees, ranging in size from 9.0 to 263 cm in circumference, were destructively sampled. The entire leaf biomass was harvested and measured, and regression equations were developed. Both sapwood area and basal circumference significantly (P < .01) correlated with projected leaf area and leaf biomass (r values = 0.98).

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