| Improving ecophysiological simulation models to predict the impact of elevated atmospheric CO(2) concentration on crop productivity. | |
MedLine Citation:
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PMID: 23388883 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Process-based ecophysiological crop models are pivotal in assessing responses of crop productivity and designing strategies of adaptation to climate change. Most existing crop models generally over-estimate the effect of elevated atmospheric [CO2], despite decades of experimental research on crop growth response to [CO2]. ANALYSIS: A review of the literature indicates that the quantitative relationships for a number of traits, once expressed as a function of internal plant nitrogen status, are altered little by the elevated [CO2]. A model incorporating these nitrogen-based functional relationships and mechanisms simulated photosynthetic acclimation to elevated [CO2], thereby reducing the chance of over-estimating crop response to [CO2]. Robust crop models to have small parameterization requirements and yet generate phenotypic plasticity under changing environmental conditions need to capture the carbon-nitrogen interactions during crop growth. CONCLUSIONS: The performance of the improved models depends little on the type of the experimental facilities used to obtain data for parameterization, and allows accurate projections of the impact of elevated [CO2] and other climatic variables on crop productivity. |
Authors:
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Xinyou Yin |
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Publication Detail:
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Type: Journal Article Date: 2013-02-06 |
Journal Detail:
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Title: Annals of botany Volume: 112 ISSN: 1095-8290 ISO Abbreviation: Ann. Bot. Publication Date: 2013 Aug |
Date Detail:
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Created Date: 2013-07-23 Completed Date: 2013-11-15 Revised Date: 2014-08-04 |
Medline Journal Info:
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Nlm Unique ID: 0372347 Medline TA: Ann Bot Country: England |
Other Details:
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Languages: eng Pagination: 465-75 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Carbon
/
metabolism* Carbon Dioxide / metabolism* Climate Change Crops, Agricultural / growth & development*, metabolism, physiology Models, Theoretical* Nitrogen / metabolism Photosynthesis Plant Leaves / growth & development, metabolism, physiology Plant Stomata / metabolism, physiology |
| Chemical | |
Reg. No./Substance:
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142M471B3J/Carbon Dioxide; 7440-44-0/Carbon; N762921K75/Nitrogen |
| Comments/Corrections | |
Comment In:
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Ann Bot. 2013 Aug;112(3):477-8
[PMID:
23788745
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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