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1 September 2003 Pleistocene Plant Fossils in and near La Selva Biological Station, Costa Rica
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Abstract

Radiocarbon dating and 40Ar/39Ar analysis of overlying tephra indicate that plant fossil assemblages exposed by stream erosion and well construction in and near La Selva Biological Station in eastern lowland Costa Rica are Pleistocene in age. We identified plant taxa based on wood, leaves, fruits, seeds, pollen, and spores examined from three sites at ca 30 m elevation. Extrapolating from modern ranges and surface temperature lapse rates suggests paleotemperatures 2.5–3.1°C cooler than at present.

Sally P. Horn, Robert L. Sanford, David Dilcher, Terry A. Lott, Paul R. Renne, Michael C. Wiemann, Duane Cozadd, and Orlando Vargas "Pleistocene Plant Fossils in and near La Selva Biological Station, Costa Rica," BIOTROPICA 35(3), 434-441, (1 September 2003). https://doi.org/10.1646/0006-3606(2003)035[0434:PPFIAN]2.0.CO;2
Published: 1 September 2003
JOURNAL ARTICLE
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