Climate Change
Natural climate variability at decadal to millennia timescales
Anthropogenic climate warming in the context of natural variation
Novel disturbance regimes, and ecosystem carbon cycling
Impacts of anthropogenic climate change on the fire regimes of boreal-forest and tundra ecosystems
Interactions between climate, fire, and permafrost thaw at multiple timescales
Resilience of aquatic and terrestrial systems to tundra disturbance
Climate refugia and species migration in response to climate change
Integrating paleoecology, genomics, and species niche modeling to identify climate refugia and migration
routes of trees in response to climate change
Plants and salmon as alternative nutrient sources to freshwater ecosystems
What are the relative roles of salmon and nitrogen-fixing plants in sustaining the productivity of freshwater ecosystems?
Feedbacks in nutrient cycling between marine and freshwater systems