This is a broad, quantitative comparison of 12 maple species, representing both canopy and subcanopy growth forms, grown under two ecologically relevant light environments. The maple seedlings responded mainly to light intensity; light quality plays only a minor role in the induction of shade characteristics. While a light-mediated trade off between light and dark reactions of photosynthesis was evident at the chloroplast level, this did not lead to similar differences in assimilaton rates. Gap-grown seedlings showed no apparent compromise in photosynthetic response to dim light and lightflecks. Seedlings of subcanopy trees trade off wood strength for increases in plant size while canopy seedlings sacrifice plant size for wood strength. The demand for greater wood strength in seedlings of canopy trees appears to pose a strong developmental constraint that delays maturation. Free of this constraint, subcanopy species can devote more resource to reach adult size quickly and at an earlier age.

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Typescript (photocopy) / xxvi, 359 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--Dept. of Plant Physiology, University of Adelaide, 1982

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Typescript (photocopy) / vi, 271 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Botany, 1982

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Thesis (Ph. D.)--University of Hawaii at Manoa, 1995. / Includes bibliographical references (leaves 203-209). / Microfiche. / xxiv, 209 leaves, bound ill. 29 cm

Thesis (Ph. D.)--University of Wisconsin--Madison, 1966. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.