Session: Physiological ecology (ESA/SER Joint Meeting (August 5 -- August 10, 2007))

PS 50-131

Dynamic adjustments in leaf epidermal UV transmittance of plants in sun-shade transitions
Paul W. Barnes, Loyola University; Veronica Del Bianco, Tulane University; Andrew P. Dickhute, Loyola University New Orleans; Ronald J. Ryel, Utah State University

PS 50-132

Coordination of leaf and stem water transport properties in tropical forest trees
Frederick C. Meinzer, USDA Forest Service; Guillermo Goldstein, Laboratorio de Ecologia Funcional, FCEyN-UBA and CONICET; David R. Woodruff, USDA Forest Service; Jean-Christophe Domec, Duke University / Bordeaux Sciences Agro; Paula I. Campanello, Universidad de Buenos Aires; Genoveva Gatti, Universidad de Buenos Aires; Randol Villalobos-Vega, University of Miami

PS 50-133

Germination of Helianthus species on two soil types and across a salt gradient
Sean M. Thompson, Texas A&M University; Hector G. Aguilar, Texas A&M -- Corpus Christi; David J. Grisé, Texas A&M University-Corpus Christi; R. Deborah Overath, Texas A&M University - Corpus Christi

PS 50-134

How "living rock" cacti pull down in the soil
Cam-van Huynh, Occidental College; Gretchen North, Occidental College

PS 50-135

Effects of polyploidy on resistance, physiology, and performance of native and invasive genotypes of Solidago gigantea
Gretchen A. Meyer, University of Wisconsin- Milwaukee; Helen M. Hull-Sanders, Pennsylvania State University; Robert H. Johnson III, Medaille College

PS 50-136

Photosynthetic capacity of overstory Liquidambar styraciflua trees exposed to elevated CO₂ and N fertilization in the Duke FACE experiment
Christopher R. Buyarski, University of Minnesota; Richard B. Thomas, West Virginia University

PS 50-137

Effects of temperature and xylem CO₂ concentration on stem respiration of Populus deltoides in autumn
Mary Anne McGuire, University of Georgia; An Saveyn, Ghent University; Kathy Steppe, Ghent University; Robert O. Teskey, University of Georgia

PS 50-138

Effects of elevated CO₂concentrations on drought response in three prairie species
Claire A. Mickelson, University of Wisconsin--Eau Claire; Tali D. Lee, University of Minnesota - Duluth; Peter B. Reich, University of Minnesota; Susan H. Barrot, University of Minnesota

PS 50-139

Meeting the carbon demands of sexual reproduction in Podophyllum peltatum (Mayapple): Phenological, structural, and physiological components
John V.H. Constable, California State University, Fresno

PS 50-140

Genetic variation in stem hydraulic properties and foliar carbon isotope discrimination in Populus: Physiological tradeoffs and plant growth strategies
Brianna L. Miles, USDA Forest Service; Gary F. Peter, University of Florida; Timothy A. Martin, University of Florida

PS 50-141

Enzyme activity: A key step in understanding linkages between gene and ecosystem
Lindsey E. Heady, Brookhaven National Laboratory; David Weston, Oak Ridge National Laboratory; Stan D. Wullschleger, Oak Ridge National Laboratory; Alistair Rogers, Brookhaven National Laboratory

PS 50-142

A general scaling theory for the size structure and dynamics of plant communities
Brian Enquist, University of Arizona; Geoffrey B. West, The Santa Fe Institute; James H. Brown, University of New Mexico

PS 50-143

Leaf epidermal UV transmittance in Hawaiian plants: Patterns among species and along elevational gradients
Ronald J. Ryel, Utah State University; Lauren Ducas, Utah State University; Stephan D. Flint, University of Idaho; Paul W. Barnes, Loyola University

PS 50-144

Integration of systems biology and ecology: A mesocosm-scale study designed to span the gene-ecosystem continuum
Stan D. Wullschleger, Oak Ridge National Laboratory; Alistair Rogers, Brookhaven National Laboratory; Cheryl R. Kuske, Los Alamos National Laboratory; Christopher W. Schadt, Oak Ridge National Laboratory; Timothy J. Tschaplinski, Oak Ridge National Laboratory; Sue M. Barns, Los Alamos National Laboratory; David Weston, Oak Ridge National Laboratory; Lindsey E. Heady, Brookhaven National Laboratory; Lee E. Gunter, Oak Ridge National Laboratory; Nancy L. Engle, Oak Ridge National Laboratory

PS 50-145

Leaf level gas exchange is modulated by the effects of mycorrhizae on aboveground production and soil moisture in a prairie restoration experiment
Tali D. Lee, University of Minnesota - Duluth; Artur Stefanski, University of Minnesota; Stephen Bentivenga, University of Wisconsin - Oshkosh; Evan Weiher, University of Wisconsin - Eau Claire

PS 50-146

Drought tolerance in Pinus ponderosa and Juniperus virginiana seedlings under controlled environment
Saadia Bihmidine, University of Nebraska-Lincoln; Kimberly Payne, University of Nebraska-Lincoln; Michelle Parde, University of Nebraska-Lincoln; Jane Okalebo, University of Nebraska-Lincoln; Sharon Cooperstein, University of Nebraska-Lincoln; Neal M. Bryan, University of Nebraska - Lincoln; Tala N. Awada, University of Nebraska - Lincoln

PS 50-147

Spatial and temporal variation of water use efficiency in a blue oak (Quercus douglasii) savanna: A combined analysis of stable isotopes and eddy covariance measurements
Stefania Mambelli, University of California; Kevin P. Tu, University of California; Alexander Knohl, Georg-August University; Siyan Ma, University of California; Dennis D. Baldocchi, University of California; Todd Dawson, University of California Berkeley

PS 50-148

Physiology of dominant grasses in prairie restoration: The effect of population seed source on plant performance
Allison M. Lambert, Southern Illinois University; Sara G. Baer, Southern Illinois University Carbondale; David J. Gibson, Southern Illinois University Carbondale

PS 50-150

Sucrose deprivation compromises aggression and activity in Argentine ants
Jessica A. Monson, University of St. Thomas; Crystal Grover, University of California - San Diego; Adam D. Kay, University of St. Thomas; Tom C Marsh, University of St. Thomas; David Holway, University of California, San Diego

PS 50-151

Heat accumulation in plants
Melissa B. Lee, University of Memphis; M Biernacki, University of Memphis; Karla L. Gage, Southern Illinois University Carbondale

PS 50-152

The relationship between photosynthesis and respiration is not primarily regulated through carbohydrates in a desert shrub (Larrea tridentata [L])
David T. Tissue, Hawkesbury Institute for the Environment, University of Western Sydney, Richmond NSW; Natasja C. Van Gestel, Texas Tech University; Lisa D. Patrick, University of Arizona; Holly Alpert, University of California; Greg Barron-Gafford, University of Arizona; Alden Griffith, University of California; Michael Loik, University of California; Daniel Potts, Buffalo State College; Anna Tyler, University of Arizona

PS 50-153

Species transpiration differences in a deciduous plantation: Assessing sap flux and model estimate mechanistic regulation
Joseph D. Bowden, Colorado State University; William L. Bauerle, Colorado State University

PS 50-154

Automated soil CO₂ efflux: Design and implementation in combination with whole ecosystem gas exchange in the EPA’s Teracosm Research Facility
Zachary J. Houghton, Terrestrial Ecosystems Research Associates; Jillian W. Gregg, Terrestrial Ecosystems Research Associates

PS 50-155

Uncertainty in scaling up transpiration estimates from tree to watershed
Harbin Li, USDA Forest Service Southeastern Research Station; Chelcy Ford, USDA Forest Service; James Vose, USDA Forest Service Southern Research Station

PS 50-156

Migration and hydraulic disruption by a bacterial pathogen in oak tree xylem
Susan A. Jackson, Saint Joseph's University; Andrew J. McElrone, USDA-Agricultural Research Service/UC Davis

PS 50-157

Invariance of subalpine ecosystem respiration with temperature
Christine A. Lamanna, University of Maine; Brian Enquist, University of Arizona; Laura L. Crumbacher, University of Arizona; John Harte, University of California; Scott R. Saleska, University of Arizona; Robin Sleith, Green Mountain College; Melissa J. Wilson, University of Arizona

PS 50-158

Precipitation pulse responses in a piñon-juniper woodland in central New Mexico
Jennifer A. Plaut, University of New Mexico; Enrico A. Yepez, University of New Mexico; William T. Pockman, University of New Mexico; Nate G. McDowell, Los Alamos National Laboratory

PS 50-159

Hydraulic transport properties of post-fire resprouts and pre-fire adults of holly-leaf redberry (Rhamnus ilicifolia) in the Santa Monica Mountains
Nicholas R. Rowan, Pepperdine University; Stephen D. Davis, Pepperdine University

PS 50-160

Height-related trends in leaf xylem anatomy and hydraulic characteristics in Douglas-fir: Safety versus efficiency of water transport
David R. Woodruff, USDA Forest Service; Frederick C. Meinzer, USDA Forest Service; Barbara Lachenbruch, Department of Forest Ecosystems & Society

PS 50-161

Field measurements of stem respiration in three clones of Populus tremuloides subjected to elevated carbon dioxide and ozone fumigation in a FACE experiment
John Hom, USDA Forest Service; Steve Roberts, Data Design Group; Matthew Patterson, Indiana University

PS 50 - Physiological ecology