Session: Physiology (94th ESA Annual Meeting (August 2 -- 7, 2009))

PS 71-134

Ecophysiological differentiation in Curatella americana populations from Neotropical savannas
Zdravko Baruch, Universidad Simon Bolivar

PS 71-135

Analyses of nitrogen concentration and d13C as an integrated measure of mutualists’ benefits
Paola A. Barriga, University of Arkansas; Cynthia L. Sagers, University of Arkansas

PS 71-136

Seasonal growth patterns of young longleaf pine
John C. Gilbert, Auburn University; Ralph S. Meldahl, Auburn University; John Kush, Auburn University; William D. Boyer, USDA Forest Service; Dean H. Gjerstad, Auburn University

PS 71-137

Drought and salinity affect wood density and vulnerability to xylem cavitation of Baldcypress (Taxodium distichum) seedlings
Volker Stiller, Southeastern Louisiana University

PS 71-138

Global change and cloudiness: Characterizing cloud radiation and effects on photosynthesis and water relations in an alpine environment
William K. Smith, University of Montana; Keith Reinhart, Wake Forest University

PS 71-139

Water transport properties in leaves of the chaparral shrub, Heteromeles arbutifolia, in a post-fire environment
Gabriella M. Orona, Whittier College; Aaron R. Ramirez, University of California; Lawren Sack, UCLA; Iolana N. Kaneakua, Pepperdine University; Christine Scoffoni, California State University; Athena McKown, UCLA; Stephen D. Davis, Pepperdine University

PS 71-140

Evaluating nitrogen use by two co-occurring vascular epiphytes that differ in mode of photosynthesis
Laurel K. Goode, University of California, Riverside; John B. Skillman, California State University; Jasmin Quon, University of California, Riverside; Michael F. Allen, University of California

PS 71-141

An in-depth study of the seasonal trends in photosynthesis in Q. douglasii in a Mediterranean savanna
Jessica L. Osuna, University of New Mexico; Dennis D. Baldocchi, University of California; Todd Dawson, University of California Berkeley

PS 71-142

Water transport properties and xylem mechanical strength in stems and roots of post-fire resprouts compared to pre-fire adults of Heteromeles arbutifolia
Iolana N. Kaneakua, Pepperdine University; Brett A. Bergman, California State Polytechnic University, Pomona; Frank W. Ewers, California State Polytechnic University, Pomona; Gabriella M. Orona, Whittier College; Stephen D. Davis, Pepperdine University

PS 71-143

Mind the bubbles: Achieving stable measurements of maximum hydraulic conductance through woody plant samples
Susana Espino, California State University Fullerton; H. Jochen Schenk, California State University Fullerton

PS 71-144

CANCELLED - Light environment modulates ontogenetic changes in whole-seedling foliage light energy partitioning: Direct and diffuse radiation contributions
Rafael E. Coopman, Universidad Austral de Chile; Luis J. Corcuera, Universidad de Concepción; Alfredo Saldaña, Universidad de Concepción; León A. Bravo, Universidad de Concepción

PS 71-145

The role of aquaporins in xylem embolism refilling in Populus tricocharpa
Francesca Secchi, UC Davis; Maciej A. Zwieniecki, UC Davis

PS 71-146

Hydraulic conductance and photosynthetic capacity of a chronosequence of Juniperus virginiana on a shale barren in West Virginia, US
Scott E. Spal, West Virginia University; Richard Thomas, West Virginia University

PS 71-147

Differences in plant water potentials across four semiarid ecotonones at the Sevilleta LTER
Jennifer E. Johnson, Stanford University; Enrico A. Yepez, University of New Mexico; William T. Pockman, University of New Mexico; Judson P. Hill, University of New Mexico; Jennifer A. Plaut, University of New Mexico; Nathan G. McDowell, Los Alamos National Laboratory; Eric E. Small, University of Colorado; Scott L. Collins, University of New Mexico

PS 71 - Physiology