Rising Atmospheric Carbon Dioxide: Plants Face the Future

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dc.contributor.authorStephen P. Long
dc.contributor.authorElizabeth A. Ainsworth
dc.contributor.authorAlistair Rogers
dc.contributor.authorDonald R. Ort
dc.date.accessioned2014-05-17T09:28:12Z
dc.date.available2014-05-17T09:28:12Z
dc.date.issued2004
dc.description.abstractAtmospheric CO2 concentration ([CO2]) is now higher than it was at any time in the past 26 million years and is expected to nearly double during this century. Terrestrial plants with the C3 photosynthetic pathway respond in the short term to increased [CO2] via increased net photosynthesis and decreased transpiration. In the longer term this increase is often offset by downregulation of photosynthetic capacity. But much of what is currently known about plant responses to elevated [CO2] comes from enclosure studies, where the responses of plants may be modified by size constraints and the limited life-cycle stages that are examined. Free-Air CO2 Enrichment (FACE) was developed as a means to grow plants in the field at controlled elevation of CO2 under fully open-air field conditions. The findings of FACE experiments are quantitatively summarized via meta-analytic statistics and compared to findings from chamber studies. Although trends agree with parallel summaries of enclosure studies important quantitative differences emerge that have important implications both for predicting the future terrestrial biosphere and understanding how crops may need to be adapted to the changed and changing atmosphere.en_US
dc.identifier.citationAnnu. Rev. Plant Biol. 2004. 55:591–628en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1432
dc.language.isoenen_US
dc.subjectglobal changeen_US
dc.subjectatmospheric changeen_US
dc.subjectphotosynthesisen_US
dc.subjectstomataen_US
dc.subjectleaf areaen_US
dc.subjectRubiscoen_US
dc.subjectmeta-analysisen_US
dc.subjectfree-air carbon dioxide enrichmenten_US
dc.titleRising Atmospheric Carbon Dioxide: Plants Face the Futureen_US
dc.typeArticleen_US

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