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Increased water-use efficiency during the 20th century did not translate into enhanced tree growth.

AuthorsPeñuelas, Josep; Canadell, J.; Ogaya, Romá
KeywordsTree growth
Water use efficiency
Climate change
CO2 fertilization
D 13 C
Geographical range
Issue Date2011
PublisherBlackwell Publishing
CitationGlobal Ecology and Biogeography 20: 597-608 (2011)
AbstractThe goals of this study are: (1) to determine whether increasing atmospheric CO2 concentrations and changing climate increased intrinsic water use efficiency (iWUE, as detected by changes in D 13 C) over the last four decades; and if it did increase iWUE, whether it led to increased tree growth (as measured by tree-ring growth); (2) to assess whether CO2 responses are biome dependent due to different environmental conditions, including availability of nutrients and water; and (3) to discuss how the findings of this study can better inform assumptions of CO2 fertilization and climate change effects in biospheric and climate models.
Description12 páginas, 3 figuras, 1 tabla.
Publisher version (URL)http://dx.doi.org/10.1111/j.1466-8238.2010.00608.x
Appears in Collections:(CEAB) Artículos
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