[UNKNOWN: PRESTIME] GAVIN, DANIEL^*,1, HU, FENG SHENG¹, ¹ University of Illinois, Urbana, IL. Late Holocene range expansion of western hemlock and western redcedar in the interior Pacific Northwest.

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[UNKNOWN: PRESTIME] Anderson, Lynn^*,1, Hu, Feng Sheng¹, Paige, Ken¹, ¹ University of Illinois, Champaign/Urbana. A molecular-genetic approach to understanding the migration history of Picea (spruce) in North America.

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[UNKNOWN: PRESTIME] Cole, Kenneth^*,1,2, Cannella, John^1,2, Coats, Larry^1,2, Arundel, Samantha², Mead, Jim², Fisher, Jessa^1,2, ¹ USGS FRESC Colorado Plateau Field Station, Flagstaff, AZ² Northern Arizona University, Flagstaff, AZ. The biogeographic histories of Pinus monophylla and Pinus edulis.

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[UNKNOWN: PRESTIME] Arundel, Samantha^*,1, Cannella, John^1,2, Cole, Kenneth^1,2, ¹ Northern Arizona University, Flagstaff, AZ² USGS, FRESC, Colorado Plateau Field Station, Flagstaff, AZ. Using climatic limiting factors of pinyon-juniper woodlands to reconstruct paleoclimates.

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[UNKNOWN: PRESTIME] Higuera, Philip^*,1, Brubaker, Linda², Sprugel, Douglas³, ¹ University of Washington, Seattle, Washington² University of Washington, Seattle, Washington³ University of Washington, Seattle, Washington. Reconstructing fire regimes with charcoal and pollen from small hollows: A calibration with tree-ring records.

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[UNKNOWN: PRESTIME] Lynch, Jason^*,1, Hollis, Jeremy¹, Hu, Feng Sheng¹, ¹ University of Illinois, Urbana, Illinois. Vegetation composition versus climate as controls of boreal-forest fire regime: Holocene records from Alaska.

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[UNKNOWN: PRESTIME] Hotchkiss, Sara^*,1, Vitousek, Peter², Ku, Richard³, Luo, Shangde³, ¹ Department of Botany, Madison, WI² Department of Biological Sciences, Stanford, CA³ Department of Earth Sciences, Los Angeles, CA. History of Sphagnum palustre in Hawaiian montane forests: disturbance, invasion, community and ecosystem change.

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[UNKNOWN: PRESTIME] Williams, John^*,1, Post, David¹, Cwynar, Les², Lotter, Andre³, Levesque, Andre², ¹ National Center for Ecological Analysis and Synthesis, Santa Barbara, CA² University of New Brunswick, Fredericton, New Brunswick, Canada³ University of Utrecht, Utrecht, The Netherlands. Rapid and widespread vegetation responses to late-glacial climate change in the North Atlantic region.

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[UNKNOWN: PRESTIME] McLaughlin, John^*,1, Hellmann, Jessica², Boggs, Carol³, Ehrlich, Paul³, ¹ Department of Environmental Sciences, Bellingham, WA² Centre for Biodiversity Research, Vancouver, B.C., CANADA³ Center for Conservation Biology, Stanford, CA. Climate change hastens population extinctions.

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[UNKNOWN: PRESTIME] Clegg, Benjamin^*,1, Tinner, Willy^1,2, Hu, Feng Sheng¹, ¹ Dep. of Plant Biology at the University of Illinois, Urbana, IL² Institut für Pflanzenwissenschaften, Universität, Bern, Switzerland. Morphological analysis of Betula (birch) pollen and paleoecological application.

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[UNKNOWN: PRESTIME] Jeraj, Marjeta^*,1, ¹ University of Wisconsin, Madison. Human impact on vegetation and landscape during early settlements on Ljubljana Moor, Slovenia.

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