The magnitude and rapidity of the climate change marking the end of the Pleistocene in the mid-latitudes of South America

Palaeogeography, Palaeoclimatology, Palaeoecology
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Abstract

The chi-squared test of independence and cluster analysis of Otsuka similarity coefficients of fossil beetle assemblages from the Chilean Lake Region in the mid-latitudes of South America support the following conclusions: (1) the mean summer temperature of the glacial climate was 4-5??C lower than today's climate; (2) the climatic change from glacial to interglacial mode was in a single step centered on about 14,000 yr B.P.; (3) the climatic change was rapid, and within 1500 years the biota of a moorland had been completely replaced by a biota of a rain forest; (4) by 12,500 yr B.P., the low elevation beetle fauna of the Chilean Lake Region was similar in composition to that of the present day; and (5) no reversal in the postglacial warming trend, equivalent in age to the Younger Dryas Stade, was detected. 

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Publication type Article
Publication Subtype Journal Article
Title The magnitude and rapidity of the climate change marking the end of the Pleistocene in the mid-latitudes of South America
Series title Palaeogeography, Palaeoclimatology, Palaeoecology
DOI 10.1016/0031-0182(93)90018-E
Volume 101
Issue 3-4
Year Published 1993
Language English
Publisher Elsevier
Description 8 p.
First page 263
Last page 270
Country Chile
Other Geospatial Chilean Lake Region
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