Research

We study interactions between species and their environment at population, community, and ecosystem levels. We use freshwater plankton to study these interactions. Plankton provide an ideal system because they interact strongly, are readily manipulated in the lab and field, reproduce quickly, and supply crucial functioning to freshwater ecosystems.

Our research program hinges on three approaches, that combined, help us rigorously test logical, relevant ideas.

1. Development of mathematical models
2. Experimental tests of those in both the laboratory and the field
3. Survey of natural systems

Current projects in the lab focus on:

We are studying the influence of infectious disease on population dynamics and community interactions. Our work focuses on the determinants of spatial and temporal dynamics of bacterial and fungal epidemics in Daphnia. This work relies on combination of community ecology, physical limnology, and epidemiological modeling.

We are developing and testing new theory focused around the intersection of ecological stoichiometry and food webs. The stoichiometric approach explores the consequences of mismatches in the elemental composition of grazers and plants. It also considers how supply of resources, especially nutrients and light, can set the stage for these mismatches.