BOOK REVIEW | Amazon Expeditions: My Quest for the Ice-Age Equator

Review by Elizabeth Quill

By Elizabeth Quill, 14:53 PM June 5, 2008

In 1964, Paul Colinvaux began his life’s work—trying to understand the ice-age climate of the Amazon through mud cores and the pollen found within. Having sharpened his drill in the Arctic, the ecologist looked south to “terra incognita.” When he began his effort, no ice-age deposit or site in the Amazon had been identified.

Then in 1969, ornithologist Jurgen Haffer proposed a hypothesis to explain the Amazon’s vast biodiversity. During the last ice age (which peaked about 21,000 y...

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