A general adaptation strategy for climate change impacts on paddy cultivation: special reference to the Japanese context |
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Authors: | Tsugihiro Watanabe Takashi Kume |
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Institution: | (1) Research Institute for Humanity and Nature (RIHN), 457-4 Motoyama, Kamigamo, Kita-ku, Kyoto 603-8047, Japan |
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Abstract: | Climate changes due to global warming may affect paddy cultivation considerably. Climate changes directly affect rice plant
growth, and within paddy cultivation catchments, alter the hydrological regime including flood patterns and water availability
for irrigation, and drainage. Although increased atmospheric CO2 concentrations in the future may enhance plant growth through the CO2 fertilization effect, impacts of climate change on agriculture are complicated and difficult to predict precisely. This is
especially the case for assessing impacts on paddy cultivation, where basin hydrological behavior needs to be understood in
detail. Possible adaptations to reduce negative impacts should be tailored to local conditions, which modify climate change
impacts on paddy cultivation. In this article, climate change impacts on paddy cultivation are reviewed and a general adaptation
strategy is discussed with special reference to the Japanese context. |
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