Climate-fire-vegetation interactions in boreal ecosystems

• Treeline and climate change in the early Holocene in the Brooks Range of Alaska

• Effects of climate vs. vegetation composition on the Holocene fire regime

Tundra, climate change, and soil carbon

• Climatic and vegetational oscillations at the last glacial-interglacial transition

• Geomorphic controls on soil-carbon cycling and vegetation development

Abrupt climate change and ecosystem response in the mid-continent

• Cyclic climate events recorded in laminated lake sediments

• Relative importance of C3/C4 photosynthetic pathways during the middle Holocene

• Snow belts and peatland succession in the Great Lakes region

Tree migration in western North America

• Landscape fragmentation and migration lags in the Pacific Northwest

• Molecular-genetic analysis of Quaternary boreal-biome development