Literature Cited
Ainley, D. G., E. F. O'Connor, and R. J. Boekelheide. 1984. The ecology of birds in the Ross Sea, Antarctica. Ornithological Monographs 32.
Croxall J. P., T. S. McCann, P. A. Prince, P. Rothery. 1988. Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: Implications for southern Ocean monitoring studies. In: Sahrhage, D. (ed.) Antarctic Ocean and resources variability. Springer, Berlin Heidelberg. New York: 261-285.
Emslie, S. D. 1995. Age and taphonomy of abandoned penguin colonies in the Antarctic Peninsula region. Polar Record 31: 409-418.
Emslie, S. D., W. Fraser, R. C. Smith, and W. Walker. 1998. Abandoned penguin colonies and environmental change in the Palmer Station area, Anvers Island, Antarctic Peninsula. Antarctic Science 10: 257-268.
Fraser, W. R., W. Z. Trivelpiece, D. G. Ainley, and S. G. Trivelpiece. 1992. Increases in Antarctic penguin populations: reduced competition with whales or a loss of sea-ice due to environmental warming? Polar Biology 11: 525-531.
Ingolfsson, C. Hjort, P.A. Berkman, S. Bjork, E. Colhoun, I.D. Goodwin, B. Hall, K. Hirakawa, M. Melles, P. Muller, and M.L. Prentice. 1998. Antarctic glacial history since the Last Glacial Maximum: an overview of the record on land. Antarctic Science. 10(30: 326-344.)
Karlen W. 1997. Climatic change and the recent climatic record. Pp. 343-348. in Antarctic Communities (B. Battaglia, J. Valencia, and D. W. H. Walton, Eds.). Cambridge Univ. Press, Cambridge.
Lishman, G. S. 1985. The food and feeding ecology of Ad\'e9lie penguins (Pygoscelis adeliae) and Chinstrap penguins (P. antarctica) at Signy Island, South Orkney Islands. J. Zool., Lond (A) (1985) 205: 245-263.
LTER Palmer Station. 1998. Online. Internet. Available: www.icess.ucsb.edu
Poncet, S. and J. Poncet. 1987. Censuses of penguin populations of the Antarctic Peninsula, 1983-87. British Antarctic Survey Bull. 77: 109-129.
Ridoux, V., and C. Offredo. 1989. The diets of five summer breeding seabirds in Adelie Land, Antarctica. Polar Biology 9: 137-145.
Stuiver, M. et al. 1998. INTCAL98 Radiocarbon Age Calibration, 24,000-0 Cal BP. Radiocarbon 40(3): 1041-1083.
Volkman, N. J., P. Presler, and W.Z. Trivelpiece. 1980 Diets of pygoscelid penguins at King \tab George Island, Antarctica. Condor 82: 373-378.