The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.
Simulating the effects of climate and agricultural management practices on global crop yield: SIMULATING GLOBAL CROP YIELD
Open accessAbstract
[1] Climate change is expected to significantly impact global food production, and it is important to understand the potential geographic distribution of yield losses and the means to alleviate them. This study presents a new global crop model, PEGASUS 1.0 (Predicting Ecosystem Goods And Services Using Scenarios) that integrates, in addition to climate, the effect of planting dates and cultivar choices, irrigation, and fertilizer application on crop yield for maize, soybean, and spring wheat. PEGASUS combines carbon dynamics for crops with a surface energy and soil water balance model. It also benefits from the recent development of a suite of global data sets and analyses that serve as model inputs or as calibration data. These include data on crop planting and harvesting dates, crop-specific irrigated areas, a global analysis of yield gaps, and harvested area and yield of major crops. Model results for present-day climate and farm management compare reasonably well with global data. Simulated planting and harvesting dates are within the range of crop calendar observations in more than 75% of the total crop-harvested areas. Correlation of simulated and observed crop yields indicates a weighted coefficient of determination, with the weighting based on crop-harvested area, of 0.81 for maize, 0.66 for soybean, and 0.45 for spring wheat. We found that changes in temperature and precipitation as predicted by global climate models for the 2050s lead to a global yield reduction if planting and harvesting dates remain unchanged. However, adapting planting dates and cultivar choices increases yield in temperate regions and avoids 7–18% of global losses.
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Cites
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Cited by
Rosenzweig, C., Elliott, J., Deryng, D., Ruane, A. C., Müller, C., Arneth, A., Boote, K. J., Folberth, C., Glotter, M., Khabarov, N., et al. (2014) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1222463110 · Cited by 2,319
Self-citationYield gap analysis with local to global relevance—A review
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The Inter-Sectoral Impact Model Intercomparison Project (ISI–MIP): Project framework
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The Agricultural Model Intercomparison and Improvement Project (AgMIP): Protocols and pilot studies
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Metadata
- Authors
- Deryng, D., Sacks, W. J., Barford, C. C., & Ramankutty, N.
- Venue
- Global Biogeochemical Cycles
- Publisher
- American Geophysical Union (AGU)
- Published
- 2011-05-20
- Volume
- 25
- Issue
- 2
- Pages
- n/a-n/a
- ISSN
- 0886-6236 (ISSN-L)
- OpenAlex
- W1634020409
- Cited by
- 366
- References
- 54
- FWCI
- 21.47
- Type
- journal article
- Language
- en
- Open access
- bronze
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