Ray Webster , Ph.D.

Ray Webster , Ph.D.

Quantitative Sciences Branch


Current IPHC Responsibilities:

  • Statistical modelling and data analysis; providing statistical support to Secretariat; reviewing IPHC sampling protocols and study designs


  • PhD, North Carolina State University 2005
  • MSc, University of Otago 1993
  • BSc (Honours), University of Otago 1992  

Research Activities:

  • Spatio-temporal modelling; tag-recovery models; setline survey design and data analysis


  • Webster, R. A., Leaman, B. L., Clark, W. G., and Forsberg, J. E. (2013), Pacific halibut on the move: a renewed understanding of adult migration from a coastwide tagging study. Canadian Journal of Fisheries and Aquatic Sciences, 70, 642-653.
  • Leaman, B. M., Kaimmer, S. M., and Webster, R. A. (2012), Circle Hook Size and Spacing Effects on the Catch of Pacific Halibut. Bulletin of Marine Science, 88, 547–557.
  • Yoshizaki, J., Pollock, K. H., Brownie, C., and Webster, R. A. (2009), Modeling misidentification errors in capture-recapture studies using photographic identification of evolving marks. Ecology, 90, 3–9.
  • Webster, R. A., Pollock, K. H., and Simons, T. R. (2008), Bayesian spatial modeling of data from bird surveys. Journal of Agricultural, Biological and Environmental Statistics, 13, 121–139.
  • Webster, R. A., Pollock, K. H., Ghosh, S. K. and Hankin, D. G. (2008), Bayesian spatial modeling of data from unit-count surveys of fish in streams. Transactions of the American Fisheries Society, 137, 438–453.
  • Forsyth, D. M., Link, W. A., Webster, R., Nugent, G. and Warburton, B. (2005), Nonlinearity and seasonal bias in an index of brushtail possum abundance. Journal of Wildlife Management, 69, 976–981.

Affiliations & Certifications:

  • International Biometric Society (WNAR)
  • American Statistical Association