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Response to Comment on "Increased growing-season productivity drives earlier autumn leaf senescence in temperate
Deborah Zani1,2,3, Thomas W Crowther1, Lidong Mo1
1Institute of Integrative Biology, ETH Zürich, 8092 Zürich, Switzerland.
Abstract:
Our study showed that increases in seasonal productivity drive earlier autumn senescence of temperate trees. Norby argues that this finding is contradicted by observations from free-air CO2 enrichment (FACE) experiments, where elevated CO2 has been found to delay senescence in some cases. We provide a detailed answer showing that the results from FACE studies are in agreement with our conclusions.
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