Tuesday, August 3, 2010: 1:30 PM-5:00 PM
401-402, David L Lawrence Convention Center
OOS 22 - Ecosystem Changes: Connecting Long-Term Vegetation Studies with Vegetation Classification (part 2)
This session is complementary to OOS 5485 and it also will focus on ecosystems responses to natural and anthropogenic disturbances, on interpreting and predicting a long-term trends, and usage of vegetation classification for defining the natural range of ecosystem variation. Vegetation classification can provide critical help in the choice of monitoring sites by ensuring that they are representative and not redundant—as well as providing an interpretation of the monitoring data. Our session will bring together researchers of long-term ecosystem changes and those involved in the development and use of vegetation classification and foster dialog about forecasting global ecosystem changes. The session will focus on summarizing data about spatial and temporal vegetation dynamics, ecosystem diversity, ecosystem processes, and analysis of indicator species -- all of which address the need for monitoring long-term ecosystem changes. Presentations will cover questions on: (1) developing monitoring networks and interpreting monitoring results, (2) distinguishing between vegetation changes that may or may not be related to climate change, (3) how global ecosystem change is addressed by US National and State Parks and natural resource agencies (USFS, USFWS, USGS), and (4) supporting policy-making decisions derived from long-term monitoring. While the session focuses on interdisciplinary cooperation to facilitate needs to monitor and interpret ecosystem changes, individual talks will address a broader range of issues related to concepts, methods, and implementations of long-term environmental studies.
Organizer:Ayzik Solomesheh, University of California, Davis
Co-organizer:Don Faber-Langendoen, NatureServe
Moderator:Tod Keeler-Wolf, California Department of Fish and Game
1:30 PMOOS 22-1Plant species diversity and composition in natural, plantation and modified forests in upstate New York: expectations for forest succession
Don Faber-Langendoen, NatureServe, Lisa Goodell, Avenida del Arenal 1
1:50 PMOOS 22-2Using the USNVC to enhance assessment of forest health in Northeast U.S. National Parks
Kate Miller, National Park Service, Geri Tierney, SUNY College of Environmental Science and Forestry, Brian R. Mitchell, National Park Service, Don Faber-Langendoen, NatureServe
2:10 PMOOS 22-3Assessing change in coastal plain forested alluvial wetlands on the Roanoke River, NC due to anthropogenic activity using time series vegetation data and long-term seedling monitoring
Jacqueline White, University of North Carolina, Robert K. Peet, University of North Carolina, Chapel Hill
2:30 PMOOS 22-4Quantifying species turnover and compositional shifts of the Longleaf Pine ecosystem in North Carolina after 18 years
Kyle Palmquist, University of North Carolina Chapel Hill, Robert K. Peet, University of North Carolina, Chapel Hill, Alan S. Weakley, University of North Carolina at Chapel Hill, Norman Christensen, Duke University
2:50 PMOOS 22-5Historical contingency in old-growth forests: Implications for community patterns in the face of environmental change
Kerry Woods, Bennington College
3:10 PM Break
3:20 PMOOS 22-6When is an invasive not an invasive? Macrofossil evidence of doubtful native plants species in the Galápagos Islands
Emily E. Coffey, University of Oxford, Cynthia A. Froyd, University of Oxford, Katherine J. Willis, University of Oxford
3:40 PMOOS 22-7Vegetation identification from time-series MODIS NDVI using discrete fourier transform
Su young Cha, Seoul National University
4:00 PMOOS 22-8Fire and flammability characteristics in community dynamics: Inferring feedback mechanisms from the palaeoecological record
Elizabeth S. Jeffers, University of Oxford, Michael Bonsall, University of Oxford, Katherine J. Willis, University of Oxford
4:20 PMOOS 22-9Overstory composition influences the patterns of species richness, cover, and composition of understory vegetation in the boreal forests
Samuel F. Bartels, Lakehead University, Han H. Chen, Lakehead University

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