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Title
A 300-million-year record of atmospheric carbon dioxide from fossil plant cuticles.
Authors
Rettalack, Gregory J.
Abstract
Presents a study which reconstructed a 300-million-year record of atmospheric carbon dioxide using known relationship between leaf stomatal abundance and growing season carbon dioxide concentrations. Obstacle to the use of stomatal index in carbon dioxide palaeobarometer; Discrepancies between cuticular estimates of atmospheric carbon dioxide and estimates based on isotopic composition of palaeosol carbonates.