Gordon Arthur Riley

Gordon Arthur Riley (1 June 1911 – 7 October 1985) was an American biological oceanographer most associated with his studies of the dynamics of plankton ecosystems.

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Born in Webb City, Missouri in 1911, Riley was educated within the state at Drury College and Washington University, graduating with a MS in embryology. He moved to Yale University in 1934, intending to work with the anatomist Ross Harrison, but instead became interested in limnology. Working with the ecologist G. Evelyn Hutchinson, he completed his doctoral thesis on the copper cycle of lakes in Connecticut. He continued to be interested in the productivity of lakes, but gradually increased his studies to encompass salt water, ultimately becoming a biological oceanographer.

Riley's oceanographic work focused on the influences affecting the population ecology of plankton systems in coastal and open ocean waters. His early work correlated phytoplankton production with regulating factors such as nutrients, light and zooplankton abundance. From this empirical base he went on to develop ecosystem models that explained the annual cycle of plankton ecosystems, most notably in his analysis of the Georges Bank region^[1].

After an extended period at Yale, in 1965 Riley moved to become a professor, and the director, at the Institute of Oceanography at Dalhousie University. Much of his work continued to be in collaboration with researchers at the Woods Hole Oceanographic Institute.

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