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Paleoatmospheric Signatures in Neogene Fossil Leaves

J. van der Burgh,Henk Visscher,David L. Dilcher,Wolfram M. Kürschner

Neogene

Vegetation (pathology)

Carbon dioxide

1993

An increase in the atmospheric carbon dioxide (CO2) concentration results in a decrease in the number of leaf stomata. This relation is known both from historical observations of vegetation over the past 200 years and from experimental manipulations of microenvironments. Evidence from stomatal frequencies of fossil Quercus petraea leaves indicates that this relation can be applied as a bioindicator for changes in paleoatmospheric CO2 concentrations during the last 10 million years. The data suggest that late Neogene CO2 concentrations fluctuated between about 280 and 370 parts per million by volume.

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“Paleoatmospheric Signatures in Neogene Fossil Leaves” is a paper by J. van der Burgh Henk Visscher David L. Dilcher Wolfram M. Kürschner published in 1993. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.