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Weddell Seal Population Dynamics
in
Erebus Bay, Antarctica


Interactions of Environmental Variability, Life History Traits,
and Demography in an Apex Antarctic Predator
PUBLICATIONS BY OUR RESEARCH TEAM
Rotella, J.J., W.A. Link, T. Chambert, G.E. Stauffer, and R.A. Garrott. 2012. Evaluating the demographic buffering hypothesis with vital rates estimated for Weddell seals from 30 years of mark-recapture data.  Journal of Animal Ecology 81:162-173.

Garrott, R.A., J.J. Rotella, D.B. Siniff, C.L. Parkinson, and G.E. Stauffer. 2011. Environmental variation and cohort effects in an Antarctic predator.  Oikos (Early View Online).

LaRue, M.A., J.J. Rotella, R.A. Garrott, D.B. Siniff, D. Ainley, G.E. Stauffer, C.C. Porter, and P.J. Morin. 2011. Satellite imagery can be used to detect spatial and temporal variation in abundance of Weddell seals (Leptonychotes weddellii) in Erebus Bay, Antarctica. Polar Biology 34:in press.

Proffitt, K.M., J.J. Rotella, and R.A. Garrott. 2010. Effects of pup age, maternal age, and birth date on pre-weaning survival of Weddell seals in Erebus Bay, Antarctica. Oikos 119:1255-1264.

Blight, L.K., D.G. Ainley, S.F. Ackley, G. Ballard, T. Ballerini, R.L. Brownell, C.H.C. Cheng, M. Chiantore, D. Costa, M.C. Coulter, P. Dayton, A.L. Devries, R. Dunbar, S. Earle, J.T. Eastman, S.D. Emslie, C.W. Evans, R.A. Garrott, S. Kim, G. Kooyman, A. Lescroel, M. Lizotte, M. Massaro, S. Olmastroni, P.J. Ponganis, J. Russell, D.B. Siniff, W.O. Smith, B.S. Stewart, I. Stirling, J. Willis, P. Wilson, and E.J. Woehler. 2010. Fishing for Data in the Ross Sea. Science 330:1316-1316.

Rotella, Jay J., William A. Link, James D. Nichols, Gillian L. Hadley, Robert A. Garrott, and Kelly M. Proffitt. 2009. An evaluation of density-dependent and -independent influences on population growth rates in Weddell seals. Ecology 90:975-984.

Ainley, D.G., and D.B. Siniff. 2009. The importance of Antarctic toothfish as prey of Wedell seals in the Ross Sea. Antarctic Science 21:317-327.

Proffitt, K.M., R.A. Garrott, and J.J. Rotella. 2008. Variation in offspring sex ratio among individual Weddell seal females of different quality. Behavioral Ecology and Sociobiology 62:1679-1687.

Proffitt, K.M., R.A. Garrott, and J.J. Rotella. 2008. Long-term evaluation of body mass at weaning and post-weaning survival rates of Weddell seals in Erebus Bay, Antarctica. Marine Mammal Science 24:677-689.

Rotella, J.J. 2008. Estimating reproductive costs with multi-state mark recapture models, multiple observable states, and temporary emigration. In: Thompson, D. L., E.G. Cooch, and M.J. Conroy. Editors. Modeling demographic processes in marked populations. Monograph Series in Environmental and Ecological Statistics, Vol. 3. Springer.

Hadley, G.L., J.J. Rotella, and R.A. Garrott. 2008. Spatial variation in age-specific probabilities of first reproduction for Weddell seals. Oikos 117:1165-1174.

Proffitt, K.M., R.A. Garrott, J.J. Rotella, and S. Lele. 2008. Using form analysis techniques to improve photogrammetric mass-estimation methods. Marine Mammal Science 24:147-158.

Siniff, D.B., R. A. Garrott, J.J. Rotella, W.R. Fraser, and D.G. Ainley. 2008. Projecting the effects of environmental change on Antarctic seals. Antarctic Science 20:425-435.

Proffitt, K.M., R.A. Garrott, J.J. Rotella, and K.E. Wheatley. 2007. Environmental and senescent related variations in Weddell seal body mass: implications for age-specific reproductive performance. Oikos 116:1683-1690.

Hadley, G.L., J.J. Rotella, and R.A. Garrott. 2007. Evaluation of reproductive costs for Weddell Seals in Erebus Bay, Antarctica. Journal of Animal Ecology 76:448-458.

Proffitt, K. M., R. A. Garrott, J. J. Rotella, D. B. Siniff, and J. W. Testa. 2007. Exploring linkages between abiotic oceanographic processes and a top-trophic predator in an Antarctic ecosystem. Ecosystems 10:119-126.

Hadley, G.L., J.J. Rotella, and R.A. Garrott. 2007. Influence of maternal characteristics and oceanographic conditions on survival and recruitment probabilities of Weddell seals. Oikos 116:601-613.

Proffitt, K. M., R. A. Garrott, J. J. Rotella, and J. Banfield. 2007. The importance of considering prediction variance in analyses using photogrammetric mass estimates. Marine Mammal Science 23:65-76.

Cameron, M.F., D.B. Siniff, K.M. Proffitt, and R.A. Garrott. 2007. Site fidelity of Weddell seals: the effects of sex and age. Antarctic Science 19:149–155.

Hadley, G.L., J.J. Rotella, R.A. Garrott, and J.D. Nichols. 2006. Variation In Age At First Reproduction Of Weddell Seals in Erebus Bay, Antarctica. Journal of Animal Ecolgy 75:1058-1070.

Ireland, D., R. A. Garrott, J. J. Rotella, and J. Banfield. 2006. Development and application of a mass-estimation method for Weddell seals. Marine Mammal Science 22:361-378.
Rotella, J.J., and J.E. Hines. 2005. Effects of tag loss on direct estimates of population growth rate. Ecology 86:821-827.
 
 
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