Professional Publications
SDG
Manuscripts submitted or in preparation
 - Moore,
     A. L., Damania, S. P., Hayward, J. L., Henson, S. M., and S. V.
     Hodge. The dynamics of loafing, thermoregulation, and territory attendance
     in a seabird colony. In preparation.
- Henson, S. M., and J. L.
     Hayward. A nonautonomous matrix model of seabird
     movement. In preparation.
- Hayward, J. L., Henson, S. M. Tkachuck,
     R., Tkachuck, C., Johnson, C. K., and B. G.
     Payne. Predicting numbers of loafing gulls close to Pacific and Atlantic
     breeding colonies. Auk.
     Submitted.
- Hayward, J. L., Henson, S. M., Banks, J.
     C., and S. L. Lyn. Modeling appendicular bone
     growth in juvenile Glaucous-winged Gulls (Larus glaucescens).
     In preparation. 
- Cushing, J. M., Henson, S.
     M., and C. C. Blackburn. Multiple mixed-type attractors in competition
     models. In preparation.
- Hayward, J. L., Galusha,
     J. G., and S. M. Henson. Foraging behavior of bald eagles at a marine bird
     colony and seal rookery in Washington.
     In preparation.
- Cushing, J. M., Henson, S.
     M., and L.-I. Roeger 2007. A competition model
     for species with juvenile-adult life cycle stages. Journal of Biological Dynamics. Submitted.
Refereed papers
 - Henson, S. M., Dennis, B., Hayward, J. L.,
     Cushing, J. M., and J. G. Galusha. Predicting the dynamics of animal
     behavior in field populations. Animal
     Behaviour. To appear.
- Cushing, J. M., Henson, S.
     M., and L.-I. Roeger 2007. A competition model
     for species with juvenile-adult life cycle stages. Journal of Biological Dynamics. To appear.
- Henson, S. M., Galusha, J. G., Hayward,
     J. L., and J. M. Cushing 2007. Modeling territory attendance and preening
     behavior in a seabird colony as functions of environmental conditions. Journal of Biological Dynamics. To
     appear.
- Desharnais,
     R. A., Costantino, R. F., Cushing, J. M.,
     Henson, S. M., Dennis, B., and A. A. King 2006. Experimental
     support of the scaling rule for demographic stochasticity. Ecology Letters 9:537-547.
- Henson, S. M., Hayward, J. L., and
     S. P. Damania 2006. Identifying environmental
     determinants of diurnal distribution in marine birds and mammals. Bulletin of Mathematical Biology 68:467-482.
- Costantino,
     R. F., Desharnais, R. A., Cushing, J. M.,
     Dennis, B., Henson, S. M., and A. A. King 2005. Nonlinear stochastic
     population dynamics: The flour beetle Tribolium as an effective
     tool of discovery. Chapter 4 in Population
     Dynamics and Laboratory Ecology, R. A. Desharnais
     (editor), Academic Press, New York.
- Damania,
     S. P., Phillips, K. W., Henson, S. M., and J. L. Hayward 2005. Habitat
     patch occupancy dynamics in Glaucous-winged
     Gulls (Larus glaucescens)
     II: A continuous-time model. Natural
     Resource Modeling 18:469-499.
- Phillips, K. W., Damania, S. P., Hayward,
     J. L., Henson, S. M., and C. J. Logan 2005. Habitat patch occupancy
     dynamics in Glaucous-winged Gulls (Larus glaucescens)
     I: A discrete-time model. Natural
     Resource Modeling 18:441-468.
- Hayward,
     J. L., Henson, S. M., Logan,
     C. J., Parris, C. R., Meyer, M. W, and B. Dennis 2005. Predicting numbers of hauled-out harbour seals: a mathematical model. Journal of Applied Ecology
     42:108-117.
- Desharnais,
     R. A., Edmunds, J., Costantino, R. F., and S. M.
     Henson 2005. Species competition: uncertainty on a double invariant loop. Journal of Difference Equations and
     Applications 11:311-325.
- Cushing, J. M., LeVarge, S., Chitnis, N.,
     and S. M. Henson 2004. Some
     discrete competition models and the competitive exclusion principle. Journal of Difference Equations and
     Applications 10:1139-1151.
- Henson, S. M., Hayward, J. L. Burden, C. M., Logan, C. J., and J. G. Galusha 2004. Predicting
     dynamics of aggregate loafing behavior in gulls at a Washington colony.
     Auk 121:380-390.
- King, A. A., Costantino, R. F., Cushing, J. M., Henson, S. M., Desharnais, R. A., and B. Dennis 2004. Anatomy of a chaotic attractor: Subtle model-predicted
     patterns revealed in population data. Proceedings of the National
      Academy of Sciences
     101:408-413.
- Henson, S. M., King, A. A., Costantino, R. F., Cushing, J. M., Dennis, B., and R.
     A. Desharnais 2003. Explaining
     and predicting patterns in stochastic population systems. Proceedings of the Royal Society of London B
     270:1549-1553.
- Edmunds, J., Cushing, J. M., Costantino, R. F., Henson, S. M., Dennis, B., and R.
     A. Desharnais 2003. Park's
     Tribolium competition experiments: a
     non-equilibrium species coexistence hypothesis. Journal of Animal Ecology 72:703-712.
- Dennis, B., Desharnais, R. A., Cushing, J. M., Henson, S. M. &
     Costantino, R. F. 2003. Can noise induce chaos?
     Oikos
     102:329-339.
- Henson, S. M, Reilly, J. R.,
     Robertson, S. L., Schu, M. C., Rozier, E. W. D., and J. M. Cushing 2003. Predicting irregularities in population
     cycles. SIAM Journal on Applied Dynamical Systems
     2:238-253.
- Cushing, J. M., and S. M.
     Henson 2002. A
     periodically forced Beverton-Holt equation. Journal of Difference Equations and
     Applications 8:1119-1120.
- King, A. A., Desharnais, R. A., Henson, S. M., Costantino,
     R. F., Cushing, J. M., and B. Dennis 2002. Random perturbations and lattice
     effects in chaotic population dynamics. Science 297:2163a.
- Henson, S. M., Costantino, R. F., Desharnais,
     R. A., Cushing, J. M., and B. Dennis 2002. Basins
     of attraction: population dynamics with two locally stable 4-cycles. Oikos
     98:17-24.
- Henson, S. M., and J. M.
     Cushing 2002. Geometric transient
     solutions of autonomous scalar maps. Journal of Difference Equations and Applications 8:61-73.
- Henson, S. M., Costantino, R. F., Cushing, J. M., Desharnais,
     R. F., Dennis, B., and A. A. King 2001. Lattice
     effects observed in chaotic dynamics of experimental populations. Science 294:602-605.
- Desharnais,
     R. A., Costantino, R. F., Cushing, J. M.,
     Henson, S. M., and B. Dennis 2001. Chaos and
     Population Control of Insect Outbreaks. Ecology Letters 4: 229-235.
- Cushing, J. M., and S. M.
     Henson 2001. Global Dynamics of Some Periodically Forced, Monotone
     Difference Equations. Journal of
     Difference Equations and Applications 7:859-872.
- Dennis, B., Desharnais, R. A., Cushing, J. M., Henson, S. M., and
     R. F. Costantino 2001. Estimating
     Chaos and Complex Dynamics in an Insect Population. Ecological Monographs 71:277-303.
- Cushing, J. M., Henson, S.
     M., Desharnais, R. A., Dennis, B., Costantino, R. F., and A. King 2001. A Chaotic Attractor in Ecology:
     Theory and Experimental Data. Chaos,
     Solitons and Fractals 12:219-234. (Invited
     for the special issue on “Chaos in Ecology”.)
- Henson, S. M., 2000. Multiple Attractors and Resonance
     in Periodically Forced Population Models. Physica D: Nonlinear Phenomena 140:33-49.
- Hallam,
     T. G., Lassiter, R. R., and S. M. Henson 2000. Modeling Fish Population
     Dynamics. Journal of Nonlinear
     Analysis, Series A 40:227-250.
- Henson, S. M., Costantino, R. F., Cushing, J. M., Dennis, B., and R.
     A. Desharnais 1999. Multiple
     Attractors, Saddles and Population Dynamics in Periodic Habitats. Bulletin of Mathematical Biology
     61:1121-1149.
- Henson, S. M., 1999. A
     Continuous, Age-Structured Insect Population Model. Journal of Mathematical Biology, 39:217-243. 
- Henson, S. M. 1999. The
     Effect of Periodicity in Maps. Journal
     of Difference Equations and Applications, 5:31-56. 
- 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 of London
     B, 265: 2229-2234. 
- Henson, S. M., 1998. Leslie
     matrix models as stroboscopic snapshots of McKendrick
     PDE models. Journal of Mathematical
     Biology, 37:309-328. 
- Cushing, J. M., Costantino, R. F., Dennis, B., Desharnais,
     R. A., and S. M. Henson, 1998. Nonlinear Population
     Dynamics: Models, Experiments, and Data. Journal of Theoretical Biology, 194:1-9. 
- Costantino,
     R. F., Cushing, J. M., Dennis, B., Desharnais,
     R., and S. M. Henson, 1998. Resonant Population
     Cycles in Temporally Fluctuating Habitats. Bulletin of Mathematical Biology, 60:247-274. 
- Henson, S. M. and J. M.
     Cushing, 1997. The Effect of Periodic Habitat Fluctuations on a Nonlinear
     Insect Population Model. Journal of
     Mathematical Biology, 36:201-226. 
- Henson, S. M. 1997. Cannibalism
     can be beneficial even when its mean yield is less than one. Theoretical Population Biology,
     51(2): 109-117. 
- Henson, S. M. 1996. Existence
     and stability of nontrivial periodic solutions of periodically forced
     discrete dynamical systems. Journal
     of Difference Equations and Applications, 2:315-331. 
- Henson, S. M. and J. M.
     Cushing, 1996. Optimal parasitization in a
     size-structured host-parasitoid model. Nonlinear
     World, 3:1-18. 
- Henson, S. M. and J. M.
     Cushing, 1996. Hierarchical models of intra-specific competition: Scramble
     versus contest. Journal of
     Mathematical Biology, 34:755-772. 
- Hallam,
     T. G. and S. M. Henson, 1996. Extinction in a structured predator-prey
     model with size-dependent predation. In: Differential Equations and
     Applications to Biology and Industry. Proceedings of the Claremont International Conference in
     Memory of Stavros Busenberg. (M. Martelli et al. Eds.) World Scientific Publishing,
     River Edge, New Jersey.
     pp. 173-180.
- Jaworska,
     J. S., T. G. Hallam, S. M. Henson, W. R. McKinney
     and R. R. Lassiter, 1995. Ecotoxicology of
     predator-prey communities: an individual-based modeling approach. In:
     Environmental Toxicology and Risk Assessment-Third Volume, ASTM STP 1218
     (J. S. Hughes et al. Eds.), American Society for Testing and Materials, Philadelphia. 
- Henson, S. M. and T. G. Hallam, 1995. Optimal feeding via constrained
     processes. Journal of Theoretical
     Biology, 176:33-37. 
- Henson, S. M. and T. G. Hallam, 1994. Survival of the fittest: asymptotic
     competitive exclusion in structured population and community models. Nonlinear World, 1:385-402. 
- Henson, S. M. and T. G. Hallam, 1994. Induction on closed, bounded-below
     subsets of R. Nonlinear Times and
     Digest, 1:143-147.
Book reviews
 - Henson, S. M., 2006. Reviewed
     “An Introduction to Difference Equations. Third Edition”, by Saber N. Elaydi. Journal
     of Difference Equations and Applications, 12:959-960.
- Henson, S. M., 2006. Reviewed “Complexities: Women in
     Mathematics”, B. A. Case and A. M. Leggett, Eds. American Mathematical Monthly 113:91-93.
- Henson, S. M., 2003. Reviewed “Mathematical Models in Population
     Biology and Epidemiology”, by Brauer and
     Castillo-Chavez. American
     Mathematical Monthly, 110:254-258. 
- Henson, S. M., 2001. Reviewed
     “An Introduction to Difference Equations. Second Edition”, by Saber N. Elaydi. Journal
     of Difference Equations and Applications, 7:751-753.
- Henson, S. M., 2000. Reviewed
     "Difference Equations: Theory and Applications", by R. E. Mickens. Journal
     of Difference Equations and Applications, 6:243-244.
Book chapters
 - Costantino,
     R. F., Desharnais, R. A., Cushing, J. M.,
     Dennis, B., Henson, S. M., and A. A. King 2005. Nonlinear
     stochastic population dynamics: The flour beetle Tribolium as an effective
     tool of discovery. Chapter 4 in Population
     Dynamics and Laboratory Ecology, R. A. Desharnais
     (editor), Academic Press, New York.
Books
Book manuscripts in preparation
 - Mathematical Modeling in Biology. With J. L. Hayward.

Department of Mathematics / Andrews University / Berrien Springs, MI 49104 USA