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