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. 2004 Dec 7;95(3):535–547. doi: 10.1093/aob/mci051

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Annals of Botany 95/3 © Annals of Botany Company 2004; all rights reserved

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Fig. 4. — Foliage and light distribution at the surface (open circles) and 0·5 m inside (closed circles) of the crown crust of an emergent Anacardium excelsum tree. (A, B) Canopy surface topography along two transects laid from the apex of the crown to south-east (125°) and north-west (300°); height from the ground and horizontal distance from the apex was measured at every 1-m interval along the transects. (C, D) LAI estimated optically with a canopy analyser (LAI-2000, Li-Cor) as a function of the height from the ground. (E, F) Percentage PFD transmission as a function of optically estimated LAI within the canopy crust.