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I am interested in how
pathogens, disease, and predators affect ecological communities, and
their dynamics. Currently, I am working on how Barley Yellow Dwarf
Virus (Luteoviridae) effects the dynamics of
exotic annual grasses and native perennial grasses in California. We
are interested both in how apparent competition caused by the disease
may affect the outcome of resource competition between perennials and
annuals in California grasslands, and how changes in resource dynamics
that mirror global climate change may affect disease dynamics. Plant
diseases, such as Barley Yellow Dwarf Virus, provide a particularly
tractable model system in which to examine experimentally theories of
disease effects on community structure.
In the past, I have worked on reconciling the representations of
simulations and differential equation frameworks, with a focus on the
effects of individuality and space, including work on seasonality,
scaling, and spread of Mycoplasma
gallisepticum in House Finches.
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