Interests

My overall objective is to run a research group working in mathematical and theoretical biology, with a focus on ecology, evolution, and behavior and the broad goal of combining first-rate basic science with important applied questions. We use mathematical methods to solve problems in biological and ecological science (rather than problems in biological and ecological science to motivate mathematical studies). Our group is collaborative, sharing ideas and working together. Currently, the main themes in the group are 1) Quantitative Methods for Fishery Management: We are developing the tools that will be needed to make Ecosystem Based Fishery Management (EBFM) a practicable approach for fishery management in the 21st century. A wide range of tools is needed, and so our work covers a wide variety of methods and systems. 2) Evolutionary Aspects of Health and Disease: We are interested in aging in the context of life histories of organisms, the evolutionary ecology oxidative stress and antioxidant defenses and the developmental origins of health and disease, how one can adaptively manage disease interventions,the role of behavior in the transmission of disease, and the evolutionary ecology of stem cells. The group is unified by the tools we use: models (differential equations, stochastic dynamic programming and Bayesian statistical methods), experiments (either here in Santa Cruz or in collaboration with colleagues elsewhere) and field observations. We apply these ideas to a variety of systems, currently including southern ocean krill, steelhead trout, Pacific rockfish, mosquitos that are malarial vectors, and the red blood stem cell system. Although I worked for many years on insect parasitoids and tephritid fruit flies, we are not doing much with them just now.

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Left Align If you would like a copy of Selections from Proceedings of the Second International Symposium on Krill (Canadian Journal on Fisheries and Aquatic Sciences 57, Supplement 3, 2000), send your mailing address to me by email and I will get a copy sent to you.