The Impact of Climate Change on Spring Wheat Yield in Mongolia and Its Adaptability
The characteristics of the current tendency toward climate change in Mongolia and the doubling of carbon dioxide (CO2) levels (referred to as 2XCO2) scenario from the General Circulation Model (GCM) are briefly described. The effect of climate change on the production of spring wheat in Mongolia, given the nation’s geographic and climatic conditions, was assessed. In general, the yield decreased 19–67% under the GCM-based 2XCO2 scenario. This scenario assumed that growing season temperatures and precipitation would increase, but that potential evapotranspiration would be higher. However, wheat yields for the actual climate change trend (i.e., reduced temperature during the growing season and increased precipitation) increased 10.4–70.2% at six of seven locations. Simulated adaptive measures, such as changing planting dates, using different varieties of spring wheat, and applying the ideal amount of nitrogen fertilizer at the optimum time, are potential responses that could modify the effects of climate change on wheat production.
KeywordsStarch Dioxide Photosynthesis
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- Carter, T.R., M.L. Parry, S. Nishioka, and H. Harasawa, 1994, IPCC Technical Guidelines for Assessing Climate Change Impacts and Adaptations, Working Group II of the Intergovernmental Panel on Climate Change, University College, London, United Kingdom, and Center for Global Environmental Research, Tsukuba, Japan.Google Scholar
- Dagvadorj, D., 1993, “Numerical Assessment of Climate Change Impacts on Grain Yield in Mongolia,” presented at the Ist PRC-Mongolia Workshop on Climate Change in Arid and Semiarid Region over the Central Asia, May 8–11, 1993, Beijing, People’s Republic of China, pp. 104–108.Google Scholar
- Dagvadorj, D., R. Mijiddorj, and L. Natsagdorj, 1994, “Climate Change and Variability Studies in Mongolia,” Annual Scientific Journal of Hydrometeorological Research, 17: 3–10, Ulaanbaatar, Mongolia.Google Scholar
- Parry, M., 1990, Climate Change and World Agriculture, Earthscan Publications Ltd., London, United Kingdom.Google Scholar
- Parry, M., and J.-C. Zhang, 1991, “The Potential Effect of Climate Changes on Agriculture,” in Proceedings of the 2nd World Climate Conference: Climate Change: Science, Impacts and Policy, Cambridge University Press, Cambridge, United Kingdom.Google Scholar
- U.S. Country Studies Program, 1994, Guidance for Vulnerability and Adaptation Assessments, Version 1. 0 (U.S. Country Studies Program, Washington, D.C., USA).Google Scholar