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A History of Atmospheric CO2 and Its Effects on Plants, Animals, and EcosystemsCretaceous CO2 Decline and the Radiation and Diversification of Angiosperms

A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems: Cretaceous CO2... 7. Cretaceous CO Decline and the Radiation and Diversification of Angiosperms Jennifer C. McElwain, K.J. Willis, and R. Lupia 7.1 Introduction Determining how a projected doubling of atmospheric CO concentration by the end of this century (IPCC 2001) will influence species composition and biodiv- ersity remains a major scientific and political challenge (Loreau et al. 2001). Long-term CO experiments using FACE (free air carbon dioxide enrichment) now yield invaluable results on how forests and crops/grassland vegetation re- spond in terms of their biomass allocation, productivity, light use, water use, and nutrient use efficiency in elevated CO (500–700 ppm) (DeLucia et al. 1999; McLeod and Long 1999; Oren 2001). Furthermore, related experimental ap- proaches are increasing our understanding of plant reproductive responses (Hussain, Kubiske, and Connor 2001) and competitive interactions (Bazzaz et al. 1995) in high CO conditions. However, the current spatial and temporal scale of these experiments (10 years) are limited and cannot yet take into consideration the floristic changes that may result from continuing increases in anthropogenic CO at the ecosystem or biome level. Such floristic and macro- ecological data are readily available from the plant fossil record on timescales of millions of years and on spatial scales http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A History of Atmospheric CO2 and Its Effects on Plants, Animals, and EcosystemsCretaceous CO2 Decline and the Radiation and Diversification of Angiosperms

Part of the Ecological Studies Book Series (volume 177)
Editors: Baldwin, I.T.; Caldwell, M.M.; Heldmaier, G.; Jackson, Robert B.; Lange, O.L.; Mooney, H.A.; Schulze, E.-D.; Sommer, U.; Ehleringer, James R.; Denise Dearing, M.; Cerling, Thure E.
McElwain, Jennifer C.; Willis, K.J.; Lupia, R.
A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems — Jan 1, 2005
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References (114)

Publisher
Springer New York
Copyright
© Springer Science+Business Media, Inc. 2005
ISBN
978-0-387-22069-7
Pages
133 –165
DOI
10.1007/0-387-27048-5_7
Publisher site
See Chapter on Publisher Site

Abstract

7. Cretaceous CO Decline and the Radiation and Diversification of Angiosperms Jennifer C. McElwain, K.J. Willis, and R. Lupia 7.1 Introduction Determining how a projected doubling of atmospheric CO concentration by the end of this century (IPCC 2001) will influence species composition and biodiv- ersity remains a major scientific and political challenge (Loreau et al. 2001). Long-term CO experiments using FACE (free air carbon dioxide enrichment) now yield invaluable results on how forests and crops/grassland vegetation re- spond in terms of their biomass allocation, productivity, light use, water use, and nutrient use efficiency in elevated CO (500–700 ppm) (DeLucia et al. 1999; McLeod and Long 1999; Oren 2001). Furthermore, related experimental ap- proaches are increasing our understanding of plant reproductive responses (Hussain, Kubiske, and Connor 2001) and competitive interactions (Bazzaz et al. 1995) in high CO conditions. However, the current spatial and temporal scale of these experiments (10 years) are limited and cannot yet take into consideration the floristic changes that may result from continuing increases in anthropogenic CO at the ecosystem or biome level. Such floristic and macro- ecological data are readily available from the plant fossil record on timescales of millions of years and on spatial scales

Published: Jan 1, 2005

Keywords: Late Cretaceous; Early Cretaceous; Yixian Formation; Carbon Cycle Model; Oceanic Anoxic Event

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