Emma Steigerwald

I am a doctoral candidate at UC Berkeley, co-advised by Dr. Rosemary Gillespie of the Department of Environmental Science, Policy, and Management and Dr. Rasmus Nielsen of the Department of Integrative Biology. I am affiliated with the Museum of Vertebrate Zoology and the Sibinacocha Watershed Project team.

Environmental change genetics

The genetics of

climate-driven range shifts


Our rapidly changing climate is driving species to shift their ranges, elevationally and latitudinally. I study how these range shifts shape spatial patterns in genetic diversity, and the consequent implications for the adaptation of affected species.

Range shifts and

pathogen evolution

When species' ranges shift, their pathogens may shift with them. I am asking how climate change may reshape disease transmission routes, and how pathogens may adapt to the new environments they are exposed to.

Using eDNA to study the

impact of invasive species 


Invasive species compose another important dimension of environmental change. I aim to use environmental DNA to examine impacts of invasive aquatic predators on native stream communities. 

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