Robert A. Desharnais, Ph.D.
Department of Biological Sciences
California State University, Los Angeles
Los Angeles, CA 90032-8201
Tel: (323) 343-2056
Fax: (323) 343-6145
Email: rdeshar@calstatela.edu


General
Teaching
Research
Courseware
Grants

Nonlinear Population Dynamics

King, A.A., Desharnais. R.A., Henson, S.M., Costantino, R.F., Cushing, J.M., and Dennis, B. 2002. Random perturbations and lattice effects in chaotic population dynamics: Reply to Domokos and Scheuring. Science 297: 2163a. [reprint-pdf-174KB]

Cushing, J.M., Costantino, R.F., Dennis, B., Desharnais, R.A., and Henson, S.M. 2002. Hunt for Chaos in Ecology. Academic Press (in press).

Henson, S.M., Costantino, R.F., Desharnais, R.A., Cushing, J.M., and Dennis, B. 2002. Basins of attraction: population dynamics with two stable 4-cycles. Oikos 98: 17–24. [reprint-pdf-199KB]

Henson, S.M., Costantino, R.F., Cushing, J.M., Desharnais, R.A., and Dennis, B. 2001. Lattice effects observed in chaotic dynamics of experimental populations. Science 294: 602–605. [reprint-pdf-545KB]

Desharnais, R.A., Dennis, B., Cushing, J.M., Henson, S.M., and Costantino, R.F. 2001. Chaos and population control of insect outbreaks. Ecology Letters 4: 229–235. [reprint-pdf-1200KB]

Dennis, B., Desharnais, R.A., Cushing, J.M., Henson, S.M. and Costantino, R.F. 2001. Estimating chaos and complex dynamics in an insect population. Ecological Monographs 71: 277–303. [reprint-pdf-560KB]

Cushing, J.M., Henson, S.M., Desharnais, R.A., Dennis, B., Costantino, R.F., and King, A. 2001. A chaotic attractor in ecology: theory and experimental data. Chaos, Solitons, and Fractals 12: 219–234. [reprint-pdf-1540KB]

Henson, S. M., Costantino, R. F., Cushing, J. M., Dennis, B., and Desharnais, R. A. 1999. Multiple attractors and population dynamics in periodic habitats. Bulletin of Mathematical Biology 61: 1121–1149. [reprint-pdf-2260KB]

Henson, S.M., Cushing, J.M., Costantino, R.F., Dennis, B., and Desharnais, R.A. 1998. Phase switching in population cycles. Proceedings of the Royal Society 265: 2229–2234. [reprint-pdf-875KB]

Cushing, J.M., Costantino, R.F., Dennis, B., Desharnais, R.A., and Henson, S.M. 1998. Nonlinear population dynamics: models, experiments, and data. Journal of Theoretical Biology 194: 1–9. [reprint-pdf-1190KB]

Cushing, J.M., Dennis, B., Desharnais, R.A., and Costantino, R.F. 1998. Moving toward an unstable equilibrium: saddle nodes in population systems. Journal of Animal Ecology 67: 298–306. [reprint-pdf-892KB]

Costantino, R.F., Cushing, J.M., Dennis, B., Desharnais, R.A., and Henson, S.M. 1998. Resonant population cycles in alternating habitats. Bulletin of Mathematical Biology 60: 247–273. [reprint-pdf-1990KB]

Dennis, B., Desharnais, R.A., Cushing, J.M., and Costantino, R.F. 1997. Transitions in population dynamics: equilibria to periodic cycles to aperiodic cycles. Journal of Animal Ecology 66: 704–729. [reprint-pdf-2440KB]

Desharnais, R.A., Costantino, R.F., Cushing, J.M., and Dennis, B. 1997. Estimating chaos in an insect population. Reply to Perry et al. Science 276: 1881–1882. [reprint-pdf-318KB]

Costantino, R.F., Desharnais, R.A., Cushing, J.M., and Dennis, B. 1997. Chaotic dynamics in an insect population. Science 275: 389–391. [reprint-pdf-346KB]

Desharnais, R.A. 1997. Population dynamics of Tribolium. Pages 303-328 in Structured Population Models in Marine, Terrestrial, and Freshwater Systems, S. Tuljapurkar and H. Caswell (editors), Chapman & Hall, New York. [reprint-pdf-2130KB]

Cushing, J.M., Dennis, B., Desharnais, R.A., and Costantino, R.F. 1996. An interdisciplinary approach to understanding nonlinear ecological dynamics. Ecological Modelling 92: 111–119. [reprint-pdf-1050KB]

Desharnais, R.A. 1996. Strange attractors: chaos theory as a catalyst for the collaboration of science and art. Collaborative Inquiry in a Postmodern Era: A Cat’s Cradle 2: 27–35. [reprint-pdf-1050KB]

Costantino, R.F., Cushing, J.M., Dennis, B., and Desharnais, R.A. 1995. Experimentally induced transitions in the dynamic behavior of insect populations. Nature 375: 227–230. [reprint-pdf-396KB]

Dennis, B., Desharnais, R.A., Cushing, J.M., and Costantino, R.F. 1995. Nonlinear demographic dynamics: mathematical models, statistical methods, and biological experiments. Ecological Monographs 65: 261–281. [reprint-pdf-2650KB]

Desharnais, R.A., and Liu, L. 1987. Stable demographic limit cycles in laboratory populations of Tribolium castaneum. Journal of Animal Ecology 56: 885–906.


Spatially-Mediated Dynamics in Benthic Communities

Donalson, D.D., Desharnais, R.A., Robles, C.D., and Nisbet, R. 2002. Spatial dynamics of a benthic community: Applying multiple models to a single system. In Scales in Aquatic Ecology: Measurement, Analysis and Simulation, edited by P. Strutton and L. Seuront. CRC Press (in press).

Robles, C. and Desharnais, R. 2002. History and current development of a paradigm of predation in rocky intertidal communities. Ecology 83: 1521–1536. [reprint-pdf-442KB]

Robles, C.D., Alvarado, M.A., and Desharnais, R.A. 2001. The shifting balance of marine predation in regimes of hydrodynamic stress. Oecologia 128: 142–152.

Wilson, W.G., Nisbet, R.M., Ross, A.H., Robles, C., and Desharnais, R.A. 1996. Abrupt population changes along smooth environmental gradients. Bulletin of Mathematical Biology 58: 907–922.


Ecological Genetics

Costantino, R.F., and Desharnais, R.A. 1991. Population Dynamics and the Tribolium Model: Genetics and Demography. Springer-Verlag, New York.

Desharnais, R.A., and Cohen, J.E. 1986. Life not lived due to disequilibrium in heterogeneous age-structured populations. Theoretical Population Biology 29: 385–406.

Desharnais, R.A. 1986. Natural selection, fitness entropy, and the dynamics of coevolution. Theoretical Population Biology 30: 309–340.

Desharnais, R.A., Foltz, D.W., and Zouros, E. 1985. Maintenance of genetic polymorphism under conditions of genotype-dependent growth and size-selective mortality. Canadian Journal of Genetics and Cytology 27: 279–288.

Desharnais, R.A., and Costantino, R.F. 1983. Natural selection and density-dependent population growth. Genetics 105: 1029–1040.

Desharnais, R.A., and Costantino, R.F. 1982. Natural selection and fitness entropy in a density-regulated population. Genetics 101: 317–329.

Desharnais, R.A., and Costantino, R.F. 1980. Genetic analysis of a population of Tribolium. VII. Stability: Response to genetic and demographic perturbations. Canadian Journal of Genetics and Cytology 22: 577–589.


Stochastic Population Growth

Desharnais, R.A., Dennis, B., and Costantino, R.F. 1990. Genetic analysis of a population of Tribolium. IX. Maximization of population size and the concept of a stochastic equilibrium. Genome 33: 571–580.

Desharnais, R.A., and Costantino, R.F. 1985. Genetic analysis of a population of Tribolium. VIII. The stationary stochastic dynamics of adult numbers. Canadian Journal of Genetics and Cytology 27: 341–350.

Desharnais, R.A., and Costantino, R.F. 1982. Approach to equilibrium and the steady-state probability distribution of adult numbers in Tribolium brevicornis. American Naturalist 119: 102–111.

Costantino, R. F., and Desharnais, R.A. 1981. Gamma distributions of adult numbers for Tribolium populations in the region of their steady states. Journal of Animal Ecology 50: 667–681. [reprint-pdf-1385KB]


Teaching and Curriculum Development

Palladino, M.A., Desharnais, R.A., and Bell, J. 2001. Instructor’s Lab Manual for Biology Labs On-Line. Benjamin Cummings, San Francisco. 160 pages.

Palladino, M.A., Desharnais, R.A., and Bell, J. 2001. Student Lab Manual for Biology Labs On-Line. Benjamin Cummings, San Francisco. 165 pages.

Desharnais, R.A. 1999. Learning by doing with Biology Labs On-Line. Strategies for Success 31: 4–5.

Desharnais, R.A., and Novak, G.A. 1998. Virtual courseware for science education. Syllabus 12: 54–60.

Novak, G.A., and Desharnais, R.A. 1998. Virtual courseware for science education. Selected Papers from the Ninth International Conference on College Teaching and Learning 9: 99–107.

Desharnais, R.A. 1995. Spreadsheet Exercises in Biometrics. Burgess Publishing, Edina, Minnesota (50 pages).

Novak, G.A., and Desharnais, R.A. 1994. Integrating the electronic desktop into the science curriculum. Selected Papers from the National Conference on Teaching and Learning 5: 121–127.

Desharnais, R.A., and Jefferson, M. 1994. Lecture Notes for Principles of Biology III. Burgess Publishing, Edina, Minnesota (146 pages).


Miscellaneous

Clarke, S., and Desharnais, R.A. 1998. Honest answers to embarrassing questions: detecting cheating in the randomized response model. Psychological Methods 3: 160–168.

McCabe, J.T., Kawata, M., Sano, Y., Pfaff, D.W., and Desharnais, R.A. 1990. Quantitative in situ hybridization to measure single-cell changes in vasopressin and oxytocin mRNA levels after osmotic stimulation. Cellular and Molecular Neurobiology 10: 59–71.

Desharnais, R.A. 1990. Review of Population Harvesting: Demographic Models of Fish, Forest, and Animal Resources by W.M. Getz and R.G. Haight. Quarterly Review of Biology 65: 375.

Romanko, K.A., and Desharnais, R.A. 1990. Confessions of a technophile. ComputorEdge 8: 56–58.

McCabe, J.T., Desharnais, R.A., and Pfaff, D.W. 1989. Graphical and statistical approaches to data analysis for in situ hybridization. Pages 822–848 in Methods in Enzymology, Vol. 168, Hormone Action, Part K: Neuroendocrine Peptides. (P. M. Conn, ed.). Academic Press, New York. [Reprinted as pages 107–133 in Selected Methods in Enzymology, Neuroendocrine Peptides (P. M. Conn, ed). Academic Press, New York.]

Desharnais, R.A. 1986. The advantages of APL for population modeling. Pages 14–27 in APL as a Tool of Thought (D. McCormick and J. Freeman, eds.). Association for Computing Machinery Special Interest Group on APL, New York.


Copyright © 2002, Robert A Desharnais
Department of Biological Sciences
California State University, Los Angeles, CA, 90032-8201
Email: rdeshar@calstatela.edu