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Beverly A. Agler, Steven J. Kendall, David B. Irons, Steven P. Klosiewski, Declines in Marine Bird Populations in Prince William Sound, Alaska Coincident with a Climatic Regime Shift, Waterbirds: The International Journal of Waterbird Biology, Vol. 22, No. 1 (1999), pp. 98-103
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Agler et al. (1999) studied this question.
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