Journal article
Leaf display canopy structure, and light interception of two understory palm species
American Journal of Botany, Vol.72(10), pp.1493-1502
1985
Abstract
The implications of leaf size, leaf display and crown size for whole-plant light interception were investigated in Geonoma cuneata and Asterogyne martiana, understory palm species native to Central American rain forests. Adults of A. martiana had longer leaves, more leaves per plant, and greater total leaf area than G. cuneata adults. Geometric measurements within whole crowns were used to calculate light interception by a crown. Light interception efficiency was higher in adult G. cuneata than in adult A. martiana; seedlings of the 2 species did not differ significantly in light interception efficiency. Decreased efficiency of adult A. martiana crowns was largely due to an increased proportion of pendent leaves. Adults of A. martiana had greater light interception capacity (the product of light interception efficiency and total leaf area), but they also had higher biomass costs of light interception. Lower biomass costs of light interception in adult G. cuneata enable this species to exploit successfully the most deeply shaded microsites in the rain forest understory. -Author
Details
- Title
- Leaf display canopy structure, and light interception of two understory palm species
- Authors
- Robin L Chazdon (Author) - Cornell University, United States
- Publication details
- American Journal of Botany, Vol.72(10), pp.1493-1502
- Publisher
- Botanical Society of America, Inc.
- Date published
- 1985
- DOI
- 10.2307/2443299
- ISSN
- 0002-9122
- Copyright note
- Copyright © 1985 Botanical Society of America, Inc. Reproduced here in accordance with the publisher's copyright policy.
- Organisation Unit
- Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Research Institute
- Language
- English
- Record Identifier
- 99450363902621
- Output Type
- Journal article
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