OOS 20 - Ecological Succession in a Changing World

Wednesday, August 9, 2017: 8:00 AM-11:30 AM
Portland Blrm 254, Oregon Convention Center
Cynthia Chang, University of Washington-Bothell
Benjamin L. Turner, Smithsonian Tropical Research Institute; and John Bishop, Washington State University, Vancouver
Benjamin L. Turner, Smithsonian Tropical Research Institute
Ecological succession – how biological communities re-assemble following natural or anthropogenic disturbance – has been studied since the birth of ecology and the resulting theoretical framework underpins many aspects of the discipline. Recent studies in succession have advanced our conceptual understanding of succession by using long-term datasets, natural disturbance gradients, and analytical techniques of modern community ecology. However, the findings span a number of topics, including ecosystem function, community diversity and structure, species interactions, and ecological responses to disturbance and rapid environmental change. This session will synthesize these recent conceptual advances by combining studies on long-term succession in plant, mycorrhizal, and microbial communities in a broad range of ecosystems to address both basic and applied ecological questions of how diversity patterns change through time, with potential implications for understanding the response of ecosystems to global change and disturbance. In particular, the session will address the following questions: 1) Are there universal rules governing succession? 2) When do these rules fail to predict ecosystem and community response to disturbance? 3) How can succession research and long-term succession datasets be used to inform ecosystem and community response to rapid global change? By describing overarching patterns in succession across varied ecosystems and study organisms, as well as elucidating the mechanisms that drive community assembly after disturbance, the session will provide a synthetic conceptual framework for understanding succession of ecosystems and communities relevant to rapidly changing global landscapes. Insights gained will be of interest to a broad ecological audience, as general succession concepts and mechanisms can be applied to understanding ecosystem and community change over time.
8:00 AM
 Long-term evidence for dispersal limitation in arctic primary succession: Consequences for soil carbon
Makoto Kobayashi, Umeå University; Scott D. Wilson, Umeå University
8:20 AM
 Successional trajectories are recapitulated due to eco-evolutionary responses to rapid environmental change
Jesse Lasky, Penn State University; Timothy Reluga, Pennsylvania State University
8:40 AM
 Using functional ecology to evaluate the role of non-native species invasions in successional communities –leaf nutrient variation
Scott J. Meiners, Eastern Illinois University; Kirstin I. Duffin, Eastern Illinois University
9:00 AM
 Comparative plant succession across terrestrial biomes of the world
Lawrence R. Walker, University of Nevada Las Vegas; Karel Prach, University of Ceske Budejovice
9:20 AM
 Patterns of plant succession across a disturbance gradient
Cynthia Chang, University of Washington-Bothell; Joseph A. Antos, University of Victoria; Abir Biswas, The Evergreen State College; James E. Cook, UW-Stevens Point; Roger del Moral, University of Washington; Dylan G. Fischer, The Evergreen State College; Charles B. Halpern, University of Washington; Andrés Holz, Portland State University; Robert J. Pabst, Oregon State University; Mark Swanson, Washington State University; Donald B. Zobel, Oregon State University
9:40 AM
9:50 AM
 Community and ecosystem function establishment in a glacier forefront ecosystem
Ari Jumpponen, Kansas State University; Shawn P. Brown, Oregon State University; Karoliina Huusko, University of Oulu; James M. Trappe, Oregon State University; Efrén Cázares, Oregon State University; Rauni Strömmer, University of Helsinki
10:10 AM
 Understanding succession through prairie restoration: The role of arbuscular mycorrhizal fungi in the establishment of late successional prairie plants in disturbed soil
Elizabeth L. Middleton, Missouri Department of Conservation; Liz Koziol, The Land Institute; Peggy A. Schultz, University of Kansas; James D. Bever, University of Kansas
10:30 AM
 Plant-herbivore interactions impact community dynamics in primary succession at Mount St. Helens
John Bishop, Washington State University, Vancouver; William F. Fagan, University of Maryland; Christian Che-Castaldo, University of Maryland; Charles M. Crisafulli, U.S. Forest Service