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CABI Book Chapter

Climate change and agricultural water management in Developing Countries.

Book cover for Climate change and agricultural water management in Developing Countries.

Description

This book provides experiences from studies on agricultural water management under climate change as references for agriculture and irrigation planners, decision makers, researchers and students. Chapters 2 and 3 provide an overview of global assessment of climate change impacts and water requirement for future agriculture. Chapters 4-7 provide analyses of crop water requirements in four case stud...

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Chapter 5 (Page no: 63)

Impacts of climate change and adaptation in agricultural water management in North China.

Water scarcity is one of the key problems in northern China. Efficient use and management of agricultural water resources is an important challenge in China's agricultural food production under a background of climate change. This chapter addresses issues of impacts of climate change and adaptation in agricultural water management in North China. The goal is to understand better the impacts of climate change on agricultural water resources and what measures should be taken to deal with the adverse effects in the North China Plain (NCP). First, the status of agricultural water resources in NCP was analysed. Second, considering that climate change is likely to exacerbate water stress in this area, and exploring the regional crop response to climate change, this study analysed the spatial variability and evolution of crop yield, evapotranspiration (ET) and water use efficiency (WUE) with a process-based crop model in the NCP and identified the contribution of climate change to their enhancement. Third, the impacts of future climate changes under A2 and B1 scenarios (described later in this chapter) on the wheat-maize double-cropping system are assessed. The results show that under IPCC SRES A2 and B1 scenarios, production of winter wheat will increase with slightly intensified ET; in contrast, summer maize production will slightly decline with a significant increase of ET. Also, with agricultural management, maize is more productive than wheat, in that wheat relies more on irrigation than maize, yield level of maize is higher than that of wheat, the water consumption of maize is lower, and the response of maize yield is larger than that of wheat yield to agricultural management. However, the simulation also suggests that wheat is more resilient to climate change than maize. Therefore to say if wheat or maize is more favourable in the NCP depends on the conditions in the future. Finally, in order to mitigate the impacts of climate change on agricultural water use and realize its sustainable utilization, the key adaptive water management strategies in the agriculture sector and how to improve efficiency of agricultural water use through reforming agricultural water management and policies were examined. The following measures can be implemented to reform agricultural water management and policies: improving the performance of participatory irrigation management reform, establishing a water rights system, reforming agricultural water price, and promoting the adoption of agricultural water-saving technology.

Other chapters from this book

Chapter: 1 (Page no: 1) Climate change and agricultural development: a challenge for water management. Author(s): Hoanh, C. T. Johnston, R. Smakhtin, V.
Chapter: 2 (Page no: 11) Adaptation to climate change impacts on agriculture and agricultural water management - a review. Author(s): Maskey, S. Bhatt, D. Uhlenbrook, S. Prasad, K. C. Babel, M. S.
Chapter: 3 (Page no: 32) Global water requirements of future agriculture: using WATERSIM. Author(s): Sood, A.
Chapter: 4 (Page no: 48) Impacts of climate change on crop water requirements in Huang-Huai-Hai Plain, China. Author(s): Liu Qin Yan ChangRong Yang JianYing Mei XuRong Hao WeiPing Ju Hui
Chapter: 6 (Page no: 78) Climate change impacts and adaptation in agricultural water management in the Philippines. Author(s): Lansigan, F. P. Cruz, A. C. dela
Chapter: 7 (Page no: 97) Adaptation strategies to address the climate change impacts in three major river basins in India. Author(s): Kakumanu, K. R. Kuppannan Palanisami Aggarwal, P. K. Ranganathan, C. R. Nagothu, U. S.
Chapter: 8 (Page no: 120) Water management for agricultural production in a coastal province of the Mekong River Delta under sea-level rise. Author(s): Ngo Dang Phong Chu Thai Hoanh Tran Quang Tho Nguyen Van Ngoc Tran Duc Dong To Phuc Tuong Nguyen Huy Khoi Nguyen Xuan Hien Nguyen Trung Nam
Chapter: 9 (Page no: 135) Aquaculture adaptation to climate change in Vietnam's Mekong Delta. Author(s): Suan Pheng Kam Tran Nhuong Hoanh, C. T. Nguyen Xuan Hien
Chapter: 10 (Page no: 154) Groundwater for food production and livelihoods - the nexus with climate change and transboundary water management. Author(s): Villholth, K.
Chapter: 11 (Page no: 176) Irrigated crop production in the Syr Darya Basin: climate change rehearsal in the 1990s. Author(s): Savoskul, O. Shevnina, E.
Chapter: 12 (Page no: 193) Mitigating greenhouse gas emissions from rice production through water-saving techniques: potential, adoption and empirical evidence. Author(s): Sander, B. O. Wassmann, R. Siopongco, J. D. L. C.
Chapter: 13 (Page no: 208) Linking climate change discourse with climate change policy in the Mekong: the case of Lao PDR. Author(s): Prosinger, J. Suhardiman, D. Giordano, M.

Chapter details

  • Author Affiliation
  • State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, Hubei, China.
  • Year of Publication
  • 2016
  • ISBN
  • 9781780643663
  • Record Number
  • 20153417464