Student Publications

 Manuscripts submitted or in preparation

  • Hayward, J. L., Henson, S. M. Tkachuck, R., Tkachuck, C., Payne, B. G., Johnson, C. K. (In preparation). Predicting numbers of loafing gulls close to Pacific and Atlantic breeding colonies.


Refereed papers

  1. Megna, L. C., Moncrieff, A. E., Hayward, J. L, and S. M. Henson, 2014. Equal reproductive success of phenotypes in the Larus glaucescens-occidentalis complex. Journal of Avian Biology 45:001-007. DOI: 10.1111/jav.00421
  2. Burton, D., and S. M. Henson, 2014. A note on the onset of synchrony in avian ovulation cycles. Journal of Difference Equations and Applications. DOI: 10.1080/10236198.2013.870564.
  3. Hayward, J. L., Weldon, L. M., Henson, S. M., Megna, L. C., Payne, B. G., and A. E. Moncrieff, 2014. Egg cannibalism in seabird colony increases with sea surface temperature. Condor 116:62-73.
  4. Hayward, J. L., Megna, L. C., Payne, B. G., Velastegui Chavez, S. R., and S. M. Henson, 2013. Temporal and environmental effects on the behavior of flightless cormorants. Wilson Journal of Ornithology 125:790–799.
  5. Cowles, J. D., Henson, S. M., Hayward, J. L., and M. W. Chacko, 2013. A mathematical method for predicting harbor seal (Phoca vitulina) haulout and monitoring long-term population trends without telemetry. Natural Resource Modeling 26:605-627.
  6. McCormick, M. A., Hayward, J. L., and S. M. Henson, 2013. Egg mass in Glaucous-winged Gulls (Larus glaucescens) as a function of length and width. Northwestern Naturalist 94:147-150.
  7. Moncrieff, A. E., Megna, L. C., Hayward, J. L., and S. M. Henson, 2013. Mating patterns and breeding success in gulls of the Larus glaucescens-occidentalis complex, Protection Island, Washington, USA. Northwestern Naturalist 94:67-75.
  8. Henson, S. M., Weldon, L. M., Hayward, J. L., Greene, D. J., Megna, L. C., & Serem, M. C., 2011. Coping behavior as an adaptation to stress: Post-distrubance preening in colonial seabirds. Journal of Biological Dynamics, DOI 10.1080/17513758.2011.605913.
  9. Ibanez, B., Kang, J.H., & Lee, J.H., 2009. Non-negative steady state solutions to an elliptic biological model. International Journal of Pure and Applied Mathematics,.53.3:385-394.
  10. Hayward, J. L., Henson, S. M., Banks, J. C.,Lyn, S. L., 2008. Mathematical modeling of appendicular bone growth in glaucous-winged gulls. To appear in Journal of Morphology.
  11. Moore, A. L., Damania, S. P., Henson, S. M., & Hayward, J. L., 2008. Modeling the daily activities of breeding colonial seabirds: dynamic occupancy patterns in multiple habitat patches. Mathematical Biosciences and Engineering 5:831-842.
  12. Cushing, J. M., Henson, S. M., & Blackburn, C. C , 2007. Multiple mixed-type attractors in a competition model. Journal of Biological Dynamics 1:347-362.
  13. Lizarraga, K.M., Kang, J.H., &  Lee, J.H., 2006. Perturbation of a nonlinear elliptic biological interacting model. Dynamics of Partial Differential Equations. 3(4).
  14. Henson, S. M., Hayward, J. L., & Damania, S. P., 2006  Identifying environmental determinants of diurnal distribution in marine birds and mammals. Bulletin of Mathematical Biology 68:467-482.
  15. Damania, S. P., Phillips, K. W., Henson, S. M., &  Hayward, J. L., 2005. Habitat patch occupancy dynamics in Glaucous-winged Gulls (Larus glaucescens) II: A continuous-time model. Natural Resource Modeling 18:469-499.
  16. Phillips, K. W., Damania, S. P., Hayward, J. L., Henson, S. M., &   Logan, C. J., 2005. Habitat patch occupancy dynamics in Glaucous-winged Gulls (Larus glaucescens) I: A discrete-time model. Natural Resource Modeling 18:441-468.
  17. Hayward, J. L., Henson, S. M., Logan, C. J., Parris, C. R., Meyer, M. W., &  Dennis, B., 2005. Predicting numbers of hauled-out harbour seals: a mathematical model. Journal of Applied Ecology 42:108-117.
  18. Henson, S. M., Hayward, J. L. Burden, C. M., Logan, C. J., & Galusha, J. G., 2004. Predicting dynamics of aggregate loafing behavior in gulls at a Washington colony. Auk 121:380-390.
  19. Henson, S. M, Reilly, J. R., Robertson, S. L., Schu, M. C., Rozier, E. W. D., & J. M. Cushing, 2003. Predicting irregularities in population cycles. SIAM Journal on Applied Dynamical Systems 2:238.
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