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Dust-induced changes in phytoplankton composition in the Tasman Sea during the last four glacial cycles

Calvo, Eva; Pelejero, Carles; Logan, Graham A; De Deckker, Patrick

Description

An increase in iron supply associated with enhanced dust inputs could be responsible for higher marine phytoplankton production leading to the typically lower glacial atmospheric CO2 concentrations, as suggested by the "iron hypothesis." The enhanced dust supply may also have provided the oceans with significant amounts of silica, which would have favored the growth of diatoms over coccolithophores, as suggested by the "silica hypothesis." Here we present new data on molecular biomarkers in a...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/86794
Source: Paleoceanography
DOI: 10.1029/2003PA000992

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