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Carbon isotope evidence for an abrupt reduction in grasses coincident with European settlement of Lake Eyre, South Australia

Johnson, Beverly J; Miller, Gifford Hubbs; Magee, John; Gagan, Michael; Fogel, Marilyn L; Quay, Paul

Description

Stable carbon isotopes in emu eggshell (EES) reflect emu diets and consequently the vegetation available for food sources. At Lake Eyre, South Australia, isotopic data suggest that there has been a rapid and dramatic change in vegetation at some point over the last 200 years when compared with the rest of the Holocene. The proportion of C4 plants in emu diets has been reduced by approximately 20% in response to an overall shift in C 4/C3 biomass at Lake Eyre. Isotopic measurement of the...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/81551
Source: Holocene
DOI: 10.1191/0959683605hl861ra

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