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Leaf area compounds height-related hydraulic costs of water transport in Oregon White Oak trees
Phillips, N.; Bond, B. J.; McDowell, N. G.; Ryan, Michael G.; Schauer, A. 2003. Leaf area compounds height-related hydraulic costs of water transport in Oregon White Oak trees. Functional Ecology. Vol. 17, no. 6 (Dec. 2003). p. 832-840.
The ratio of leaf to sapwood area generally decreases with tree size, presumably to moderate hydraulic costs of tree height. This study assessed consequences of tree size and leaf area on water flux in Quercus garryana Dougl. ex. Hook (Oregon White Oak), a species in which leaf to sapwood area ratio increases with tree size. We tested hypotheses that Q. garryana individuals of greater size and leaf area show reduced leafspecific hydraulic conductance, crown water flux per leaf area, and carbon isotope discrimination.
Keywords: Quercus, sap flow, transpiration, xylem
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Publications: Leaf area compounds height-related hydraulic costs
of water transport in Oregon White Oak trees
Electronic Publish Date: March 28, 2005
Last Update: March 28, 2005
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