OOS 15 - Spatial Spread of Invasive Species and Infectious Diseases: Theoretical and Empirical Advances

Tuesday, August 9, 2011: 1:30 PM-5:00 PM
17A, Austin Convention Center
Organizer: Jean H. Burns
Co-organizer: Michael G. Neubert
Moderator: Alan Hastings
Invasive species, climate change, and infectious diseases have been identified as significant threats to biodiversity. As such they represent major threats to the earth's life-support systems. An important characteristic of these threats is the speed with which they spread across space. Recent theoretical developments coupled with empirical case studies are beginning to improve our understanding of the factors that determine the rates of spread of invasive species and infectious diseases. The session will be organized to link theoretical and empirical advances in particular subject areas, pairing new theoretical and empirical advances in particular subject areas together, moving from theory to practice and from basic science toward management implications within each subject area. We will begin with new predictive models that take stochastic and nonlinear processes into account. This will be followed by linking theory of spatial spread with empirical data for invasive plants, and by an invasive insect spatial spread and management perspective. Next we will focus on new developments to spread models that incorporate two-sex systems, which again both develop new theoretical advances in estimating and understanding spread rates and present new empirical data including work on insect systems. Finally, we will discuss incorporating a disease and genetic perspective on spatial spread dynamics.
1:30 PM
Randomness and uncertainty in spatial spread: Stochastic models and biological experiments
Brett A. Melbourne, University of Colorado at Boulder; Alan Hastings, University of California, Davis
1:50 PM
Linking theory and data to understand the spread of an invasive plant
Katriona Shea, The Pennsylvania State University; Eelke Jongejans, Radboud University Nijmegen; Olav Skarpaas, Norwegian Institute for Nature Research; Dave Kelly, University of Canterbury; Stephen P. Ellner, Cornell University
2:10 PM
Differences in dispersal are more important than differences in demography to the greater invasion speed of invasive plant species than their noninvasive relatives
Jean H. Burns, Case Western Reserve University; Eleanor A. Pardini, Washington University in St. Louis; Michele R. Schutzenhofer, McKendree University; Y. Anny Chung, University of New Mexico; Katie J. Seidler, Washington University in St. Louis; Tiffany M. Knight, Washington University in St. Louis
2:50 PM
Two-sex invasions
Michael G. Neubert, Woods Hole Oceanographic Institution; Allison K. Shaw, University of Minnesota; Hal Caswell, Woods Hole Oceanographic Institution
3:10 PM
3:20 PM
Sex, density dependence and the spread of invasive organisms
Tom E. X. Miller, Rice University; Brian D. Inouye, Rocky Mountain Biological Laboratory; Brett A. Melbourne, University of Colorado at Boulder
3:40 PM
The evolutionary genetic signatures of spatial dynamics during the epidemic expansion of infectious diseases
Scott M. Duke-Sylvester, Emory University; Roman Biek, University of Glasgow; Leslie A. Real, Emory University
4:00 PM
Novel coupling of individual-based epidemiological and demographic models predicts realistic dynamics of tuberculosis in alien buffalo
Corey JA Bradshaw, University of Adelaide; Clive McMahon, Charles Darwin University; Philip S. Miller, IUCN Species Survival Commission; Robert C. Lacy, Chicago Zoological Society; Michael J. Watts, University of Adelaide; Michelle L. Verant, University of Minnesota; John P. Pollack, Cornell University; Damien A. Fordham, University of Adelaide; Thomas A. A. Prowse, University of Adelaide; Barry W. Brook, University of Tasmania
4:20 PM
Comparing the functional differentiation of native and alien plants across spatial scales
Alejandro Ordonez, Aarhus University; Han Olff, Centre for Ecological and Evolutionary Studies, University of Groningen
4:40 PM
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