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Abstract Detail


Ecophysiology

Hicks, David [1].

Spatial and temporal variation in leaf traits of Aesculus glabra.

A. glabra (Ohio Buckeye, Hippocastanaceae) can be found in a range of light environments from deciduous forest edges to heavily shaded understories. The typical leaf phenology of this species is temporally displaced from that of other deciduous trees in the same environment; A. glabra leafs out and sheds leaves significantly earlier. Leaf phenology varies with light environment, with later bud-break and later leaf-fall in high-light environments. However, differences in leaf-drop were insignificant in a year with a dry summer. Leaf structural and physiological traits (specific leaf mass, chlorophyll content, blade thickness, stomatal density and photosynthetic capacity) vary significantly with light environment. Regarding leaf traits as fixed properties of species is overly simplistic.


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1 - Manchester College, Biology, Science Center, North Manchester, IN, 46962, US

Keywords:
leaf traits
leaf lifespan
Aesculus glabra
Indiana.

Presentation Type: Oral Paper:Papers for Topics
Session: CP28
Location: Stevens 1/Hilton
Date: Tuesday, July 10th, 2007
Time: 8:45 AM
Number: CP28002
Abstract ID:773


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