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

Palaeogeography, Palaeoclimatology, Palaeoecology
By:  and 

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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. ?? 1993.

Additional publication details

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
Volume 101
Issue 3-4
Year Published 1993
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Palaeogeography, Palaeoclimatology, Palaeoecology
First page 263
Last page 270