The Seabird Ecology Team is an interdisciplinary group of biologists and mathematicians. We study the dynamics of the distribution and behavior of marine birds and mammals. The Team includes faculty, graduate students, and undergraduate students from Andrews University, the University of Arizona, and Walla Walla University. Our methodology utilizes mathematical models, dynamical systems theory, statistics, field observations, and experiments. Much of our field work is based at the Walla Walla University Marine Station at Rosario Beach.
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(undergraduate student coauthors in bold; graduate student coauthors in italics)

Manuscripts submitted or in preparation by group

  • Hayward, J. L., Henson, S. M. Tkachuck, R., Tkachuck, C., Payne, B. G., and C. K. Johnson. Predicting numbers of loafing gulls close to Pacific and Atlantic breeding colonies. In preparation.
  • Hayward, J. L., Henson, S. M., Banks, J. C., and S. L. Lyn. Mathematical modeling of appendicular bone growth in Glaucous-winged Gulls. In revision.
  • 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.
  • Henson, S. M., Hayward, J. L., Galusha, J. G., Dennis, B., Cushing, J. M., and L. Foster. Compartmental models of animal behavior. In preparation.
  • Moore, A. L., Damania, S. P., Hayward, J. L., and S. M. Henson. Modeling the daily activities of breeding colonial seabirds: Dynamic occupancy patterns in multiple habitat patches. Submitted..

Refereed team papers

  • Cushing, J. M., Henson, S. M., and C. C. Blackburn 2007. Multiple mixed-type attractors in a competition model. Journal of Biological Dynamics 1:347-362.
  • Henson, S. M., Dennis, B., Hayward, J. L., Cushing, J. M., and J. G. Galusha 2007. Predicting the dynamics of animal behavior in field populations. Animal Behaviour 74:103-110..
  
  • 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 1:95-107.
  • Henson, S. M., Hayward, J. L., and S. P. Damania. Identifying environmental determinants of diurnal distribution in marine birds and mammals. Bulletin of Mathematical Biology 68:467-482.
  • 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.
  • 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.
  • 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.
  
Research conducted by The Seabird Ecology Team is funded by a grant from The National Science Foundation Supported in part by the U. S. National Science Foundation. All opinions expressed are those of the authors and not necessarily those of the NSF.
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Created 2006 by Thomas C. Adams