Phenology Feedbacks on Climate Change
Abstract
Climate warming has advanced the biological spring and delayed the arrival of biological winter (1, 2). These changes in the annual cycle of plants and the lengthening of the green-cover season have many consequences for ecological processes, agriculture, forestry, human health, and the global economy (3). Studies on vegetation-atmosphere interactions (4) and particularly on the impact of leaf emergence on climate (5–9) suggest that the phenological shifts in turn affect climate. The magnitude and sign of this effect are unknown but depend on water availability and regional characteristics.
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References and Notes
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Science
Volume 324 | Issue 5929
15 May 2009
15 May 2009
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Copyright © 2009, American Association for the Advancement of Science.
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Published in print: 15 May 2009
Acknowledgments
Supported by the Spanish (Consolider Montes program) and Catalan (Agència de Gestió d'Ajuts Universitaris i de Recerca) governments and the Swiss National Science Foundation. We thank R. Stöckli for comments on the manuscript.
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