COS 45

Tuesday, August 6, 2013: 1:30 PM-5:00 PM
L100I, Minneapolis Convention Center
1:30 PM
 Two chironomid records provide new evidence from the Apennines (Italy) to assess the Holocene climate evolution of southern Europe
Stéphanie Samartin, University of Bern; Oliver Heiri, University of Bern; Willy Tinner, University of Bern
1:50 PM
 Drought and fire drove rapid changes in forest community composition in the northeastern United States
Michael J. Clifford, Lehigh University; Katharine A. LeBoeuf, Lehigh University; Robert K. Booth, Lehigh University
2:10 PM
 A 6000-year record of permafrost melt events from the Alaskan North Slope
Melissa Chipman, University of Illinois at Urbana-Champaign; Feng Sheng Hu, University of Illinois at Urbana-Champaign
2:30 PM
 Using pollen and geochemical data from lake sediments to reconstruct spruce beetle disturbances
Jesse L. Morris III, University of Idaho; Peter C. le Roux, University of Helsinki; Andrea Brunelle, University of Utah
2:50 PM
 Did the post-glacial increase in atmospheric CO2 level provide a selective productivity advantage to crop progenitor species?
Georg Frenck, University of Sheffield; Glynis Jones, University of Sheffield; Mark Rees, University of Sheffield; Colin P. Osborne, University of Sheffield
3:10 PM
3:20 PM
 Modeling the pollen and vegetation relationships for comparing simulated vegetation with fossil pollen data
Yao Liu, University of Wyoming; Stephen T. Jackson, U.S. Geological Survey; Kiona Ogle, Arizona State University; Jeremy W. Lichstein, University of Florida
3:40 PM
 Unlocking the past: Genetic clues of historical shifts in forest community composition from ancient DNA in lake sediments
Candice Y. Lumibao, University of Notre Dame; Jason McLachlan, University of Notre Dame; Melanie Kuch, McMaster University; Scott J. Emrich, University of Notre Dame; Stephen T. Jackson, U.S. Geological Survey; Hendrik Poinar, McMaster University
4:00 PM
 A 150-year perspective on stable state theory in shallow lakes from the Prairie Pothole Region
Joy M. Ramstack Hobbs, St. Croix Watershed Research Station, Science Museum of Minnesota; William O. Hobbs, Science Museum of Minnesota; Kevin Theissen, University of St. Thomas; Mark B. Edlund, St. Croix Watershed Research Station, Science Museum of Minnesota; Kyle D. Zimmer, University of St. Thomas; Leah M. Domine, University of St. Thomas; James B. Cotner, University of Minnesota - Twin Cities
4:20 PM
 Hindcasting the late Quaternary climatic influence on species distribution, abundance, and genetic diversity of northern California pocket gophers
Jessica L. Blois, University of California - Merced; Cheng (Lily) Li, Stanford University; Elizabeth A. Hadly, Stanford University
4:40 PM
 The influence of spatial scale on detecting climatic controls of wildfire in subalpine forests for the last 2000 years in northern Colorado
W. John Calder, University of Wyoming; Dusty L. Parker, University of Wyoming; Cody J. Stopka, University of Wyoming; Bryan N. Shuman, University of Wyoming