OOS 35 - Forest Migration and Expansion in an Era of Global Change: Integrating Predictions and Observations.

Thursday, August 11, 2011: 8:00 AM-11:30 AM
17B, Austin Convention Center
Organizer: Madhur Anand
Moderator: Madhur Anand
Climate change is often expected to result in migration of tree species and forest expansion. This is based mainly both on paleoecological studies as well as climate-envelope modelling, both of which have their strengths and limitations. Some observational studies have also begun to document expansion and migration. But these processes could be limited by both climatic and non-climatic factors associated with global change. Basic questions remain unknown for many ecosystems: How fast will migration/expansion occur? What factors and processes may limit or facilitate it? The role of multiple stressors and disturbance in forest expansion and migration is still poorly understood. This symposium aims to gather a diversity of scientists (rank, geographic location, etc.) working on forest migration and expansion from different perspectives (field studies, modelling etc.). The goal is to 1) integrate observational and modelling studies, 2) inform the ecological community of the state-of-the art of this science, and 3) to exchange and flesh out ideas in order to direct future research.
8:00 AM
Inherent limits to prediction and implications for projecting forest response to climate change
Brian Beckage, The University of Vermont; Louis Gross, University of Tennessee; Stuart Kauffman, University of Vermont
8:20 AM
Forest expansion across biomoes: The role of climate change and related forces
Lucas C.R. Silva, University of California, Davis; Madhur Anand, University of Guelph
8:40 AM
Life on the frontier: Assessing tree competitive interactions at their migratory front
Ines Ibanez, University of Michigan; Sarah Neumann, University of Michigan
9:00 AM
The relative contribution of wind, seed traits and demography to the spread of an invasive conifer: Results from high-resolution modelling
Paul Caplat, Lund University; Ran Nathan, The Hebrew University of Jerusalem; Yvonne M. Buckley, Trinity College Dublin
9:20 AM
Using forest inventories to assess tree range shifts in the eastern United States
Christopher M. Oswalt, USDA Forest Service - Southern Research Station; Christopher W. Woodall, USDA Forest Service; James A. Westfall, US Forest Service; Charles H. Perry, USDA Forest Service; Mark Nelson, USDA Forest Service; Andrew O. Finley, Michigan State University; David Nowak, USDA Forest Service; Greg Liknes, USDA Forest Service
9:40 AM
9:50 AM
Climate-induced tree migration in southern Ontario: Pathways and source populations
Kaho Hayashi, University of Toronto; J. R. Malcolm, University of Toronto; Doris Kramm, University of Toronto; Danijela Puric-Mladenovic, University of Toronto; Hua Shi, University of Toronto
10:10 AM
Impacts of climate, dispersal and refugia locations on the European Beech postglacial colonisation
Frédérik Saltré, Oregon State University; Cédric Gaucherel, French Institute of Pondicherry; Rémi Saint-Amant, Centre de foresterie des Laurentides; Simon Brewer, University of Utah; Isabelle Chuine, CNRS
10:30 AM
Tree species migration in Wisconsin, Minnesota, and Massachusetts: A model comparison of potential limiting factors under climate change
Robert M. Scheller, Portland State University; Jonathan R. Thompson, Harvard University; Mark A. White, The Nature Conservancy; Catherine Ravenscroft, Syracuse University; Matthew Duveneck, Portland State University; David J. Mladenoff, University of Wisconsin-Madison
10:50 AM
Forest expansion and collapse on the Mediterranean coast: Combining paleoecology and dynamic modeling to understand past change and predict future impacts
Paul D. Henne, University of Bern; Camilla Calò, University of Bern; Willy Tinner, University of Bern
11:10 AM
Climate, environment, and biotic interactions drive tree regeneration abundance trends in ecotonal temperate-boreal forests
Nicholas Fisichelli, National Park Service; Lee Frelich, University of Minnesota; Peter B. Reich, University of Minnesota
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