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Science 17 October 1980:
Vol. 210. no. 4467, pp. 325 - 327
DOI: 10.1126/science.210.4467.325
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Articles

Late Wisconsin Climate of Northern Florida and the Origin of Species-Rich Deciduous Forest

W. A. WATTS 1 and M. STUIVER 2

1 Department of Botany, Trinity College, Dublin 2, Ireland, and Limnological Research Center, University of Minnesota, Minneapolis 55455
2 Quaternary Research Center, University of Washington, Seattle 98195

Species-rich mesic forest covered northern Florida as early as 14,000 radiocarbon years before present. It probably originated in deciduous tree populations already present locally in conifer forest between 24,000 and 18,600 years before present. The cold, dry Late Wisconsin climate ended before 14,600 years before present. A transitional warm, dry phase preceded a precipitation increase at 14,000 years before present.

Submitted on February 25, 1980
Revised on June 18, 1980


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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E. C. Grimm, E. C. Grimm, G. L. Jacobson Jr., W. A. Watts, B. C. S. Hansen, and K. A. Maasch (1993)
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Plant macrofossils and their significance in Quaternary palaeoecology: Part II: Applications: preglacial, interglacial and interstadial deposits.
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