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I study the flow of mass and energy in biological systems with Dynamic Energy Budget (DEB) theory. This theory describes the rates at which organisms acquire resources (i.e. food and/or nutrients) from the environment and use these resources to remain healthy, to grow and to reproduce. It is a unifying theory, i.e. it aims at capturing the acquisition and expenditure of resources by all life forms in a relatively small set of mathematical equations. More information on DEB theory can be found on wikipedia, the DEB website and in this review paper. Currently, I am involved in research projects about coral bleaching and the impact of toxic pollutants on biological processes. In the past, I studied the impact of food quality on the growth of water fleas, the performance of microorganisms in waste water treatment plants and the formation of macromolecules (proteins, carbs, RNA, etc) in bacteria, among other subjects. The list of selected publications below contains links to papers on all of these subjects. I also teach an upper-division course about Ecotoxicology and tutor high school students (science, math, SAT). Recent presentations (with ppt or pdf links) "Sublethal toxic effects in dynamic energy budget modeling", UCSB seminar, October 2008.
Selected pubications (with pdf links) Muller, E.B., Nisbet, R.M. and Berkley, H.A. (2009) Sublethal toxicant effects with dynamic energy budget theory: Model formulation. Ecotoxicology DOI 10.1007/s10646-009-0385-3. PDF Muller, E.B., Osenberg, C.W., Schmitt, R.J., Holbrook, S.J. and Nisbet, R.M. (2009) Sublethal toxicant effects with dynamic energy budget theory: Application to mussel outplants. Ecotoxicology DOI 10.1007/s10646-009-0384-4. PDF Muller, E.B, Kooijman, S.A.L.M., Edmunds, P.J., Doyle, F.J. and Nisbet, R.M. (2009) Dynamic energy budgets in syntrophic symbiotic relationships between heterotrophic hosts and photoautotrophic symbionts. PDF Doubledee, R.A., Muller, E.B. and Nisbet, R.M. (2003) Bullfrogs, catastrophes and the persistence of California red-legged frogs. Journal of Wildlife Management, 67(2):424-438. PDF Muller, E.B., Nisbet, R.M., Kooijman, S.A.L.M., Elser, J.J. and McCauley, E. (2001) Stoichiometric Food Quality and Herbivore Dynamics. Ecology Letters, 4:519-529. PDF Hanegraaf, P. P. F., and Muller, E. B. (2001) The Dynamics of the Macromolecular Composition of Biomass. Journal of Theoretical Biology, 212:237-251. PDF Nisbet, R. M., Muller, E. B., Lika, K. and Kooijman, S. A. L. M. (2000) From molecules to ecosystems through dynamics energy budget models. Journal of Animal Ecology, 69:913-926. PDF Muller, E.B., Nisbet, R.M. (2000) Survival and Production in Variable Resource Environments. Bulletin of Mathematical Biology, 62:1163-1189. PDF Nisbet, R.M., Muller, E.B., Brooks, A.J. and Hosseini, P. (1997) Models relating individual and population response to contaminants. Environmental Modeling and Assessment 2, 7-12. PDF Muller E.B., Stouthamer A.H., van Verseveld H.W. and Eikelboom D.H. (1995) Aerobic domestic waste water treatment in a pilot plant with complete sludge retention by cross-flow filtration. Wat. Res. 29, 1179-1189. PDF Muller E.B., Stouthamer A.H. and van Verseveld H.W. (1995) A novel method to determine maximal nitrification rates by sewage sludge at a non-inhibitory nitrite concentration applied to determine maximal rates as a function of the nitrogen load. Wat. Res. 29, 1191-1197. PDF Muller E.B., Stouthamer A.H. and van Verseveld H.W. (1995) Simultaneous NH3 oxidation and N2 production at reduced O2 tensions by sewage sludge subcultured with chemolithotrophic medium. Biodegradation 6, 339-349. PDF
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