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Counting Backward
Genetic analysis suggests Pacific gray whale populations are a shadow of their former numbers


©Dave Weller/IUCN


By Eric Wagner
October-December 2007 (Vol. 8, No. 4)

Alter S.E., E. Rynes, and S.R. Palumbi. 2007. DNA evidence for historic population size and past ecosystem impacts of gray whales. Proceedings of the National Academy of Sciences 104(38):15162-15167.


Populations of Pacific gray whales (Eschrichtius robustus) may have been three to five times greater than what they are today, according to researchers at Stanford University and the University of Washington.





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