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Bark Chlorophyll in the American Beech (Fagus grandifolia) Varies with Bark Aspect

Jon C. Glass and Kenneth Granet
The American Midland Naturalist
Vol. 100, No. 2 (Oct., 1978), pp. 510-512
DOI: 10.2307/2424858
Stable URL: http://www.jstor.org/stable/2424858
Page Count: 3
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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.
Bark Chlorophyll in the American Beech (Fagus grandifolia) Varies with Bark Aspect
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Abstract

Total chlorophyll was photometrically determined for bark samples taken from the four cardinal compass points of 20 American beech trees (Fagus grandifolia). Chlorophyll concentration was equal or in excess of published values for trembling aspen (Populus tremuloides) and varied with bark aspect. Bark from the S of the trees contained the greatest total chlorophyll; bark from the N of the trees, the least; and intermediate amounts were contained in bark from the E and W

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