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Multiscale Plant Vascular Biology
Gordon Research Conference

Identifying Interdisciplinary Opportunities for a New Era of Plant Vascular Biology

Dates

June 26 - July 1, 2016

Location

Grand Summit Hotel at Sunday River
Newry, ME

Organizers

Chairs:
William T. Pockman & Juliana S. Medeiros

Vice Chair:
Barbara Lachenbruch

Meeting Description

Plant vascular biology has emerged as an important component in our understanding of plant physiology, ecology, evolution and ecosystem processes. Under a wide range of environmental conditions plants must maintain sufficient xylem and phloem transport capacity to replace water lost from leaves during photosynthesis and supply sugars to growing organs. Regulation of these complex processes takes place at many scales and can involve anatomical traits, cell processes, exchange of water between living cells and the xylem, and coordination of leaf and vascular characters. Vascular traits vary across environmental gradients and conditions in response to a wide variety of abiotic (e.g. water, light, CO2 and temperature) and biotic factors (e.g. competition, disease agents), providing evidence of adaptive radiation. Furthermore, water transport failure can be a major driving factor in forest mortality and regeneration, providing a mechanistic link between plant physiological function and large scale ecological processes such as the evolution of biodiversity and climate change-induced ecosystem shifts. This conference seeks to bring together leaders and emerging scientists in the field of plant vascular biology to synthesize advances and suggest new directions. Speakers will present the results of original research with a focus on the interdisciplinary implications of their work. Topics will cover sub-cellular to ecosystem scales, spanning mechanistic to ecological and evolutionary perspectives. Through this conference we seek to identify gaps in our understanding, stimulate discourse and collaboration across scales, and encourage data synthesis in the field of plant vascular biology.

Contributors

Final Meeting Program

Sunday
2:00 pm - 9:00 pmArrival and Check-in
6:00 pmDinner
7:30 pm - 7:40 pmWelcome / Introductory Comments by GRC Site Staff
7:40 pm - 9:30 pmKeynote Session: Multiscale Plant Vascular Biology
Discussion Leader: N. Michele Holbrook (Harvard University, USA)
7:40 pm - 7:50 pmIntroduction by Discussion Leader: The Past, Present and Future of Plant Vascular Biology
7:50 pm - 8:30 pmFredrick Meinzer (Pacific Northwest Research Station, USDA Forest Service, USA)
"How Do Plants Achieve Relative Homeostasis of Long-Distance Water Transport"
8:30 pm - 8:40 pmDiscussion
8:40 pm - 9:20 pmWilliam Adams (University of Colorado Boulder, USA)
"Linking Foliar Vascular Metrics to Photosynthesis and Transpiration"
9:20 pm - 9:30 pmDiscussion
Monday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmModeling Physical Processes in Vascular Systems
Discussion Leader: John Sperry (University of Utah, USA)
9:00 am - 9:15 amIntroduction by Discussion Leader
9:15 am - 9:55 amUwe Hacke (University of Alberta, Canada)
"Variation in Pit Membrane Structure and Vessel Diameter"
9:55 am - 10:10 amDiscussion
10:10 am - 10:40 amCoffee Break
10:40 am - 11:20 amSteven Jansen (Ulm University, Germany)
"The Anatomy of Embolism Resistance in Plants"
11:20 am - 11:35 amDiscussion
11:35 am - 12:15 pmXavier Noblin (Centre National de la Recherche Scientifique, France)
"Cavitation Bubble Dynamics in Artificial and Natural Systems"
12:15 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmGenetic and Environmental Controls on Vascular Development and Function
Discussion Leader: Rachel Spicer (Connecticut College, USA)
7:30 pm - 7:45 pmIntroduction by Discussion Leader
7:45 pm - 8:25 pmKaisa Nieminen (Natural Resources Institute Finland / University of Helsinki, Finland)
"Regulatory Mechanisms in Vascular Development"
8:25 pm - 8:35 pmDiscussion
8:35 pm - 9:15 pmMax Feldman (Donald Danforth Plant Science Center, USA)
"Time Dependent Genetic Analysis Links Field and Controlled Environment Phenotypes in the Model C4 Grass Setaria"
9:15 pm - 9:30 pmDiscussion
Tuesday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmPhloem Ecophysiology
Discussion Leader: Sanna Sevanto (Los Alamos National Laboratory, USA)
9:00 am - 9:15 amIntroduction by Discussion Leader
9:15 am - 9:55 amN. Michele Holbrook (Harvard University, USA)
"Phlocm Transport: Moving Carbohydrates from Leaves to Roots in Long Vines and Tall Trees"
9:55 am - 10:10 amDiscussion
10:10 am - 10:40 amCoffee Break
10:40 am - 11:20 amSusanne Hoffmann-Benning (Michigan State University, USA)
"The Role of Phloem Transport in Abiotic Stress Signaling and Response"
11:20 am - 11:35 amDiscussion
11:35 am - 12:15 pmMichael Clearwater (University of Waikato, New Zealand)
"Resolving the Enigmatic Plumbing of Flowers"
12:15 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmModeling and Quantification of Vascular Networks
Discussion Leader: Jonathan Wilson (Haverford College, USA)
7:30 pm - 7:45 pmIntroduction by Discussion Leader
7:45 pm - 8:25 pmCraig Brodersen (Yale University, USA)
"Insights into Three-Dimensional Organization of Plant Vascular Networks from X-Ray MicroCT"
8:25 pm - 8:35 pmDiscussion
8:35 pm - 9:15 pmThomas Buckley (University of Sydney, Australia)
"Who's Afraid of the Bomb? Reconciling Inferences from Equilibrated Bulk Leaf Water Potential with the Situation in Intact, Transpiring Leaves"
9:15 pm - 9:30 pmDiscussion
Wednesday
7:30 am - 8:30 amBreakfast
8:30 amGroup Photo
9:00 am - 12:30 pmVascular Biology in Ecological Patterns and Processes
Discussion Leader: Tim Brodribb (University of Tasmania, Australia)
9:00 am - 9:15 amIntroduction by Discussion Leader
9:15 am - 9:55 amRichard Dick (Ohio State University, USA)
"Hydraulic Redistribution in a Shrub-Intercropping System: A Driver of Beneficial Microorganisms, Biogeochemical Processes, Hydrology, and Crop Productivity in the Semi-Arid Sahel"
9:55 am - 10:10 amDiscussion
10:10 am - 10:40 amCoffee Break
10:40 am - 11:20 amJordi Martinez-Vilalta (CREAF / Autonomous University of Barcelona, Spain)
"The Role of Functional Traits in Forest Dynamics Under Climate Change"
11:20 am - 11:35 amDiscussion
11:35 am - 11:55 amLawren Sack (University of California, Los Angeles, USA)
"Determinants and Implications of Leaf Venation Architecture and Maximum Stomatal Conductance Worldwide"
11:55 am - 12:00 pmDiscussion
12:00 pm - 12:20 pmChristine Scoffoni (University of California, Los Angeles, USA)
"Causes and Consequences of Embolisms in Leaf Veins: A New Explanation for Plant Vulnerability to Dehydration"
12:20 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:00 pm - 7:30 pmBusiness Meeting
Nominations for the Next Vice Chair; Fill in Conference Evaluation Forms; Discuss Future Site and Scheduling Preferences; Election of the Next Vice Chair
7:30 pm - 9:30 pmTrait-Based Approaches in Comparative Vascular Biology
Discussion Leader: Jeannine Cavender-Bares (University of Minnesota, USA)
7:30 pm - 7:45 pmIntroduction by Discussion Leader
7:45 pm - 8:25 pmPatrick Fonti (Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Switzerland)
"The Contribution of Quantitative Wood Anatomy to Understand Plant Responses to Changing Environment"
8:25 pm - 8:35 pmDiscussion
8:35 pm - 9:15 pmBenjamin Blonder (Oxford University, United Kingdom)
"Linking Vascular Biology to Community Processes Using a Trait-Based Approach"
9:15 pm - 9:30 pmDiscussion
Thursday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmPlant Vascular Processes in Ecosystem and Earth System Models
Discussion Leader: Brent Helliker (University of Pennsylvania, USA)
9:00 am - 9:15 amIntroduction by Discussion Leader
9:15 am - 9:55 amGaby Katul (Duke University, USA)
"Multi-Scale Modeling of Ecosystem Structure and Function"
9:55 am - 10:10 amDiscussion
10:10 am - 10:40 amCoffee Break
10:40 am - 11:20 amYing Fan Reinfelder (Rutgers University, USA)
"Plant Rooting Depth, Soil Hydrology, and Implications to Terrestrial Environmental Change"
11:20 am - 11:35 amDiscussion
11:35 am - 12:15 pmAlexandra Konings (Stanford University, USA)
"Using Microwave Remote Sensing Data for Ecosystem-Scale Hydraulic Traits"
12:15 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 5:30 pmPoster Session
5:30 pm - 7:30 pmEvolution of Plant Vascular Systems
Discussion Leader: Jarmila Pittermann (University of California, Santa Cruz, USA)
5:30 pm - 5:45 pmIntroduction by Discussion Leader
5:45 pm - 6:25 pmEmanuele Ziaco (University of Nevada, Reno, USA)
"Wood Anatomy and Climate at the NevCAN Mountain Observatories: The Road Towards Cellular Dendroclimatology in the Great Basin"
6:25 pm - 6:35 pmDiscussion
6:35 pm - 7:15 pmNick Rowe (Centre Nationale De Racherche Scientifique, France)
"Evolution of Stem Structural Diversity"
7:15 pm - 7:30 pmDiscussion
8:00 pmDinner
Friday
7:30 am - 8:30 amBreakfast
9:00 amDeparture
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