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Title: Terminal cretaceous extinction scenario for a catastrophe. Author: Gartner S, McGuirk JP. Journal: Science; 1979 Dec 14; 206(4424):1272-6. PubMed ID: 17799629. Abstract: All the biotic changes that occurred at the end of Cretaceous time, including the extinction of the dinosaurs, may be the result of a single terrestrial catastrophe. The Arctic spillover model, first proposed to explain the marine extinctions, would have caused a rapid and intense change in the earth's climate including a lowering of temperature and of precipitation. This change in climate may have triggered a series of ecological disasters that included the radical change in the distribution of vegetation on the earth as well as the extinction of the dinosaurs.[Abstract] [Full Text] [Related] [New Search]