Publications

Jay, C. V, B. G. Marcot, and D. C. Douglas. 2011. Projected status of the Pacific walrus (Odobenus rosmarus divergens) in the twenty-first century. Polar Biology 34(7):1065-1084. (Supplemental Material - 240 kb pdf)

Jay, C. V., M. S. Udevitz, R. Kwok, A. S. Fischbach, and D. C. Douglas. 2010. Divergent movements of walrus and sea ice in the northern Bering Sea. Marine Ecology Progress Series 407:293-302.

Speckman, S. G., V. I. Chernook, D. M. Burn, M. S. Udevitz, A. A. Kochnev, A. Vasilev, C. V. Jay, A. Lisovsky, A. S. Fischbach, and R. B. Benter. 2010. Results and evaluation of a survey to estimate Pacific walrus population size, 2006. Marine Mammal Science 27: no. doi: 10.1111/j.1748-7692.2010.00419.x (Russian version - 2.3 mb pdf)

Burn, D. B., M. S. Udevitz, S. G. Speckman, and R. B. Benter. 2009. An improved procedure for detection and enumeration of walrus signatures in airborne thermal imagery. International Journal of Applied Earth Observation and Geoinformation 11:324-333

Fischbach, A. S., D. H. Monson, and C. V. Jay. 2009. Enumeration of Pacific walrus carcasses on beaches of the Chukchi Sea in Alaska following a mortality event, September 2009. U.S. Geological Survey Open-File Report 2009-1291:10.

Udevitz M. S., C. V. Jay, A. S. Fischbach, and J. L. Garlich-Miller. 2009. Modeling haul-out behavior of walruses in Bering Sea ice. Canadian Journal of Zoology 87:1111-1128.

Fischbach, A. S., C. V. Jay, J. V. Jackson, L. W. Andersen, G. K. Sage, and S. L. Talbot. 2008. Molecular method for determining sex of walruses. Journal of Wildlife Management 72:1808-1812.

Jay, C. V. and A. S. Fischbach. 2008. Pacific walrus response to Arctic sea ice losses. U.S. Geological Fact Sheet 2008-3041.

Jay, C. V., P. M. Outridge, and J. L. Garlich-Miller. 2008. Indication of two Pacific walrus stocks from whole tooth elemental analysis. Polar Biology 31:933-943.

Udevitz, M. S., D. M. Burn, and M. A. Webber. 2008. Estimation of walrus populations on sea ice with infrared imagery and aerial photography. Marine Mammal Science 24(1):57-70.

Burn, D. M., M. A. Webber, and M. S. Udevitz. 2006. Application of airborne thermal imagery to surveys of Pacific walrus. Wildlife Society Bulletin 34(1):51-58.

Kucklick, J. R., M. M. Krahn, P. R. Becker, B. J. Porter, M. M. Schantz, G. S. York, T. M. O'Hara, and S. A. Wise. 2006. Persistent organic pollutants in Alaskan ringed seal (Phoca hispida) and walrus (Odobenus rosmarus) blubber. Journal of Environmental Monitoring 8(8):848-854.

Jay, C. V., M. P. Heide-Jørgensen, A. S. Fischbach, M. V. Jensen, D. F. Tessler, and A. V. Jensen. 2006. Comparison of remotely deployed satellite radio transmitters on walruses. Marine Mammal Science 22(1):226-236.

Bornhold, B. D., C. V. Jay, R. McConnaughey, G. Rathwell, K. Rhyna, and W. Collins. 2005. Walrus foraging marks on the seafloor in Bristol Bay, Alaska – a reconnaissance survey. Geo-Marine Letters 25:293-299.

Jay, C. V., and S. Hills. 2005. Movements of walruses radio-tagged in Bristol Bay, Alaska. Arctic 58(2):192-202.

Udevitz, M. S., C. V. Jay, and M. B. Cody. 2005. Observer variability in pinniped counts: Ground-based enumeration of walruses at haul-out sites. Marine Mammal Science 21(1):108-120.

Mulcahy, D. M., P. A. Tuomi, G. W. Garner, and C. V. Jay. 2003. Immobilization of free–ranging male Pacific walruses (Odobenus rosmarus divergens) with carfentanil citrate and naltrexone hydrochloride. Marine Mammal Science 19(4):846-850.

Jay, C. V., and G. W. Garner. 2002. Performance of a satellite-linked GPS on Pacific walruses (Odobenus rosmarus divergens). Polar Biology 25:235-237.

Jay, C. V., S. D. Farley, and G. W. Garner. 2001. Summer diving behavior of male walruses in Bristol Bay, Alaska. Marine Mammal Science 17(3):617-631.

Udevitz, M. S., J. R. Gilbert, and G. A. Fedoseev. 2001. Comparison of methods used to estimate numbers of walruses on sea ice. Marine Mammal Science 17(3):601-616.

Garlich-Miller, J., and C. V. Jay (eds.). 2000. Proceedings of a workshop concerning walrus survey methods, Anchorage, Alaska, March 27-28, 2000. Technical Report MMM 00-2, USFWS Marine Mammals Management, Anchorage, Alaska. 92 pp. (pdf file 12.9 mb)

Udevitz, M. S. 1999. Modeling variability in replicated surveys at aggregation sites. Pages 167- 177 in G. W. Garner, S. C. Amstrup, J. L. Laake, B. F. J. Manly, L. L. McDonald, D. G. Robertson, eds. Marine mammal survey and assessment methods. A. A. Balkema, Rotterdam, Netherlands. (pdf file 1 mb)

Jay, C. V., T. L. Olson, G. W. Garner, and B. E. Ballachey. 1998. Response of Pacific walruses to disturbances from capture and handling activities at a haul-out in Bristol Bay, Alaska. Marine Mammal Science 14(4):819-828.

Scribner, K. T., S. Hills, S. R. Fain, and M. A. Cronin. 1997. Population genetics studies of the walrus (Odobenus rosmarus): A summary and interpretation of results and research needs. Molecular Genetics of Marine Mammals, Special Publication 3:173-184. (pdf file 1.4 mb)

Douglas, D. C., M. S. Udevitz, J. R. Gilbert, and D. O. Hunter. 1991. Evaluation of airborne videography for enumerating Pacific walruses (Odobenus rosmarus divergens) on sea-ice haulouts. Pages 507-513 in Proc. Resour. Technology 90, Int. Symp. on Advanced Technology in Nat. Resour. Manage. Am. Soc. Photogram. and Remote Sensing, Falls Church, Virginia. (pdf file 495 kb)